Highly effective brake based on magnetic rheology technique

The invention relates to a high-efficiency brake based on the MR technology, which comprises an electromagnetic clutch mechanical (A) producing a damping moment and an electromagnetic braking mechanism (B), wherein a planet accelerator (C) capable of amplifying the damping moment is arranged between the electromagnetic clutch mechanism and the electromagnetic braking mechanism. As the invention adopts the planet accelerator structure which is capable of amplifying the damping moment and is arranged between the electromagnetic clutch mechanism and the electromagnetic braking mechanism, braking with a great moment can be realized under a minor current through the accelerator, thereby saving energy, and further realizing serialization through changing the speed increasing ratio of the internal accelerator. In addition, the invention with small size and light weight is the high-efficiency brake based on the MR technology with smart design, excellent performance as well as convenience and practicability ...

Hydraulic spiral longitudinal joint of robot

The present invention relates to longitudinal robot joint, which includes oil cylinder for driving, multiple rollling screw pair, rolling spline pair and output terminal. The longitudinal robot jointfeatures that the rolling spline pair has spline shaft connected to the piston rod of the oil cylinder and spline hoursing connected to the oil cylinder liner to make the spline possess only axial motion and bear the counteractive force moment; that the multiple rolling spline pair has screw shaft integrated with the spline shaft and screw housing connected to the outer terminal to complete the conversion from the linear motion of oil cylinder to rotation motion; and that these is a thrust bearing pair between the spline housing and the screw housing to make the screw housing capable of swinging only around its axis.

Electrically resonant transverse joint of robot

The present invention relates to electrically transverse resonance robot joint with servo motor to drive and resonant transmission to increase moment. The transverse robot joint includes servo motor,input terminal and output terminal as well as one characterized resonant moment-increasing mechanism comprising wavy wheel, flexible wheel and steel wheel, where the wavy wheel is elliptical double-wave structure, the flexible wheel is between the wavy wheel and the steel wheel, is meshed with the steel wheel under the extrusion of the wavy wheel and connected to output terminal, and the output terminal installed in the same circumference as the input terminal is driven by the flexible wheel to obtain increased moment and to rotate. By means of the combination of motor and the resonant mechanism and no support shafting for the wavy wheel and the steel wheel.

Portable curved surface measuring device and method

Wind powder driven PM2.5 air purifying system and purifying method

The invention discloses a wind powder driven PM2.5 air purifying system which comprises a primary air purifying device and a secondary air purifying device connected with each other, wherein the first level air purifying device provides drive power through a first level wind power driving device, and the second level air purifying device provides drive power through a second level wind power driving device. The first level air purifying device comprises a shell, wherein an air inlet is formed at one end of the shell, a first set of filter layers is arranged at the air inlet, the shell is internally provided with a backpressure forming unit connected with the first level wind power driving device, a second set of filter layers is arranged in the shell between the backpressure forming unit and the air outlet of the shell, and the air outlet of the shell is communicated with the second level air purifying device. The second air purifying device comprises a group of box bodies communicated ...

Magnetic adhesive stepless variable speed device

The invention discloses a magnetic adhesive stepless variable speed device which adopts novel material of magnetic adhesive for replacing the magnetic powder in the prior art. The magnetic adhesive can maintain an original shape in a free state, and can change the original shape into any shape when bearing a shearing force; when being out of work, the magnetic adhesive can be adhered to the wall of a radial clearance between a power output shaft and a power input shaft, and does not prevent the relative free rotation between the power output shaft and the power input shaft; when a coil is electrified, the magnetic adhesive generates moment between the power output shaft and the power input shaft as magnetic powder does, meanwhile, the moment is directly proportional to the current in the coil; and the rotation speed is controlled according to the level of the current. The magnetic adhesive stepless variable speed device has the advantages of stable output moment, low temperature rise, large ...

Electric spiral longitudinal joint of robot

The electric screw longitudinal robot joint includes input terminal connected to the servo motor and features that the servo motor driven small-lift angle rolling screw pair, thrust pair, rolling spline pair, great-lift angle rolling screw pair and output terminal are connected successively to complete the moment increasing conversion from rotation to shift and to rotation again and the rotation of the output terminal. The preset invention utilizes one simple mechanism to reach the aim of increasing moment. The longitudinal joint has simple structure, great output moment, small size and high precision and is one ideal universal modular and standard robot joint.

Ship steering engine with driving mechanism inside helm bar

A helm gear for ship features that its drive mechanism is positioned in tiller. It is composed of tiller, helm blade and the drive mechanism of helm blade, which consists of cylinder and reversely rolling spiral mechanism consisting of at least two spline sets and a linear spiral set, which are alternatively arranged in axis direction. Said helm blade is fixed to the screw sleeve of said linear spiral set.

Polyurethane foam sand and its producing technolgy

The invention relates to the formulation of polyurethane soft foam sand and its production technology. Its main characteristic is that the abrasive with a special proportion and size is added in the formulation of polyurethane soft foam. The said product is made through the change of proportion or grain size of abrasive or the composition of other components in formulation and at the same time, the once forming process is used or after once forming the second forming process is continued. The said product combines high elasticity, prosity and water absorbability of polyurethane soft foam and wear-washing ability of abrasive into an unity. It can be used in toilet, kitchen, and mechanical construction industry.

A method for determining a filling position of filler in a big arm of an excavator and a big arm structure

The invention provides a method for determining a filling position of filler in a big arm of an excavator and a big arm structure. The method comprises the steps of selecting excavating working conditions of an excavator; filling different positions of the big arm structure of the excavator with filler; pasting strain foils to the corresponding positions of the excavator and making the excavator work; detecting the strain of the big arm structure on the condition of different filling schemes, the big arm structure with smaller strain having greater strength; on the basis of the same working conditions, using a vibration test system and an analyzing system to measure the inherent frequency of the big arm structure on the condition of the different filling schemes, the big arm structure with higher inherent frequency having less vibration; on the basis of the same working condition, using an acceleration sensor to measure the vibration amplitude of the big arm structure on the condition of ...

Universal speed reducer of sliding gear meshing pair

The invention discloses a universal speed reducer of a sliding gear meshing pair, which comprises a shell, a power input shaft and a power output shaft, wherein the power input shaft is provided with an eccentric sleeve; the power output shaft is provided with a sliding gear disk; the sliding gear disk can be radially provided with a sliding gear in a single-freedom degree sliding way; a gear groove is fixed to the shell, is concentric with the power input shaft and can be in small tooth difference meshing with the sliding gear; the width of the gear groove along the circumference direction is larger than the gear thickness of the sliding gear along the circumference direction; and the eccentric sleeve is opposite to the sliding gear along the axial direction and is internally sleeved into the sliding gear disk eccentrically. A pressure angle of the invention can be adjusted by changing the eccentric amount of the eccentric sleeve; a pressure angle of a conjugate gear can be reduced from ...

Low speed power producer

General reducer with eccentric engagement pairs

The invention discloses a general reducer with eccentric engagement pairs, comprising a shell, a power input shaft and a power output shaft, wherein an eccentric sleeve is fixedly arranged in the circumferential direction of the power input shaft, is engaged with engaging coggings on the shell by one-to-one correspondence through engaged teeth and is engaged with external gears on the power output shaft in small teeth difference through internal gears. The power input mechanism of the invention adopts the engagement pairs without teeth difference, which is similar to spline engagement, therefore, the relative autorotation speed of the engaging coggings and the engaged teeth is zero and autorotation of a driving fluted disc is eliminated, thus eliminating the high-frequency waves generated in the driving process of the reducers with small teeth different in the prior art, avoiding unnecessary additional motion, improving the driving efficiency and ensuring the motion to be output without ...

Electric cord transverse joint of robot

Numeral controlling method of common multi-coordinates

The present invention relates to a numeral control technique for the machinery doing more actions, which features as follows: a multi-coordinate numeral control system may be divided into common and private parts, less position control and speed control servo units are used to control more servo motors and sensing elements, and an intelligent electronic dispatcher is designed for coordinate signals transform and automatic dispatch of coordinate control signals. The said numeral control system has the advantages of low cost, simple structure and easily programmed control software.

Shared charging equipment

The utility model provides shared charging equipment which comprises a shell, a circuit board is arranged in the shell, a core control module, a USB charging module, a monitoring module and a power supply module are arranged on the circuit board, and the power supply module is used for supplying power to the circuit board; the monitoring module comprises a relay and a triode, the emitter of the triode is directly grounded, the collector is connected with the USB charging module through the relay, and the collector is connected with the core control module; the relay is used for realizing connection and disconnection of the output end of the USB charging module; the USB charging module is further connected with a plurality of USB charging ports, a display screen is arranged on the shell, and the display screen is used for displaying a charging payment two-dimensional code.

Universal speed reducer

NEW TECHNOLOGY FOR MANUFACTURING SPECIAL-SHAPED GEAR-SLOTTING CUTTER

Multi-sensor wheel diameter measuring instrument and measuring method

The invention discloses a multi-sensor wheel diameter measuring instrument and a measuring method, and belongs to the technical field of wheel diameter measurement, the multi-sensor wheel diameter measuring instrument comprises a ruler frame, two ends of the ruler frame are respectively provided with a measuring block, a displacement sensor is arranged between the two measuring blocks, the ruler frame is also provided with a pull rope sensor, and the displacement sensor and the pull rope sensor are both connected with a CPU module; when the wheel diameter of a to-be-measured wheel is measured, the two measuring blocks, the measuring end of the displacement sensor and the pull rope of the pull rope sensor are in contact with the tread of the to-be-measured wheel. The pull rope sensor is used for acquiring a section of arc length of the tread of the to-be-measured wheel; the displacement sensor is used for acquiring the displacement of a self measuring end; the CPU module is used for determining ...

Rotary vane engine in burning closely

The invention is a sealed-combustion full-rotation engine and its characteristic: its rotor is situated in a fixed sleeve and fixed with a rotary sleeve and has at least a vane situated in a sealing chamber composed of the fixed sleeve, the rotary sleeve and the rotor; there is at least a fixed vane in the sealing chamber, where the space between the fixed and rotary vanes forms a combustion expansion chamber or a gas exhaust chamber for the previous combustion; the bottom of the fixed vane is situated in a cam groove of the rotary sleeve through a guide head, and in the rotating course of the rotary sleeve, the cam groove drives the fixed vane to reciprocate along guide groove on the inner wall of the fixed sleeve, thus giving the way to the rotary vane and reforming the combustion expansion chamber or the gas exhaust chamber together with the rotary vane; the rotary vane is driven by the gas expansion in the combustion chamber to rotate the rotary sleeve to act on the external. It overcomes ...

Portable curved surface measuring device and method

This is a easy-to-carry measuring device for measuring the curved surface, which comprises adjustable tripod, the device body and the laser range finder. The device body is a double direction rotating mechanism including a base. Its lower end is connected with the adjustable tripod. On its base is fixed with first step-by-step electric-motor. This motor can drive little gear and big gear and rotate alpha angle around Z-axis. On the big gear install settle-backed base. The big gear bring the three direction stop-push bearing is connected with the top end of the base; one the saddle-backed base fix the second step-by-step electric-motor. This motor can drive worm gear set and the laser range finder rotate around Y-axis. The invention method includes single point measurement, the measurement the of coordinate numbers group, the translating of spherical coordinate data into right-angle coordinate and translation of the data to join together the curved surface.

Backpressure laminae mechanism of closure burning rotary vane engine

The invention relates to the back-pressure blade device of closed combustion rotary vane engine, which comprises the combustion chamber and the rotary blades 4 in the chamber. It is characterized by that the combustion chamber has two working rotary back-pressure blades 2 and the back-pressure blade chamber on the cylinder body. The said back-pressure blade includes the back-pressure faceplate and the control claw. When the back-pressure blades being driven by the remaining combusting gas and revolving clockwise, the left cylinder of the face plate let the revolving blades pass; and when the blades revolving counter-clockwise, the back-pressure face plate and the revolving blades form the closed combustion chamber. The above structure can use the remaining pressure of the combusting gas to open the back-pressure blades and let the revolving blades pass through and use the revolving blades to drive the control claw to close the combustion chamber automatically.

Double helix angle beveled wheel engage assistant

The present invention relates to a double helix angle helical gear meshing pair, which relates to a non-backlash or backlash adjustable precision gear meshing pair widely used in each field of the industry. The left tooth surface and the right tooth surface of a gear are respectively helical gear tooth surfaces with different helix angles, the helix angles of the left gear tooth surface and the right gear tooth surface of the gear are different, which form certain tapered angles along a gear axle line, the relative positions of mutually meshed gears are adjusted along the axle line to adjust the meshing backlash, and the precision transmission is realized. The double helix angle helical gear is formed through processing twice, thus the tooth thickness becomes thin, a tooth space becomes wide, the manufacturability is good, because the tooth surface of the helical gear is meshed, the present invention has the advantage of helical gear meshing transmission, large overlap coefficient, and ...

Finger of robot

A finger system for robot is composed of thumb, forefinger, middle finger, ring finger and small finger, and features that the 9 joints 5 fingers are controlled only by a pair of current lines.

Electrically resonant longitudinal joint of robot

The present invention relates to longitudinal robot joint with servo motor to drive and resonant transmission to increase moment. The longitudinal robot joint includes servo motor, input terminal and output terminal as well as one characterized resonant moment-increasing mechanism comprising wavy wheel, flexible wheel and steel wheel, where the wavy wheel is elliptical double-wave structure and the flexible wheel is between the wavy wheel and the steel wheel, is meshed with the steel wheel under the extrusion of the wavy wheel and connected to output terminal. By means of the resonant mechanism to reduce speed and increase moment, the combination of motor and the resonant mechanism and no low speed and great moment load of the motor, the present invention is one universal modular standard longitudinal joint with compact structure, great moment increasing time and small size.

摆线齿轮数控砂带磨齿方法及装置

A method and machine for using the numerally controlled abrasive band to grind the teeth of cycloid gear features that a pilot wheel is used to make the abrasive band become a cylindrical grinding tool, the whole width of tooth is simultaneously ground, and the abrasive band is reciprocating for polishing the ground surface.

Electric cord transverse joint of robot

The present invention relates to electric cord transverse robot joint includes frame, servo motor installed on the frame, cord-wheel pair, input terminal and output terminal. The electric cord transverse robot joint features that toothed belt pulley of the toothed belt pair is fixed on the output shaft of the servo motor and is integrated with the nut of nut-screw pair; and that the cord-wheel pair includes the cord wheel installed on the frame and the steel cord and includes output cord wheel fixed to the output terminal, steel cord wound around two cord wheels and with two ends connected tothe ends of screw, and output cord wheel with fixed point. The present invention realize the rotation of the transverse joint by means of the motor, the nut-screw pair to increase force and the drivesteel cord and joint cord wheel.

Minitype ship with hidden wings

GRINDING METHOD FOR ROLLAWAY NEST OF THRUST BALL BEARING

... 本发明的推力球轴承滚道新磨法，根据逼近理论，采用筒形砂轮端面外圆磨削轴承滚道圆环面。新磨法与现有推力球轴承滚道成形磨削法相比，生产效率显著提高，磨削精度稳定。新磨法兼顾了高效率、高精度、低成本、实用性等要求，创造了推力球轴承滚道高效磨削的新途径。 ...

Method of laser alignment and alignment of cutting tool in heavy duty lathe

A laser centering and toolsetting method for heavy machine-tool features that the laser devices can emit a vertical and a horizontal red laser beans to form a visual coordinate system, the centering and toolsetting of large casting on the heavy machine tool is easy.

Precision rotation angle mechanism

Magnetic glue damping structure and shock absorber using same

The present invention discloses a magnetic glue damping structure and a shock absorber using same. An outer cylinder is sleeved outside an inner core to form a reciprocating pair along an axis; a closed damping cavity is formed between the inner surface of the outer cylinder and the outer surface of the inner core; the damping cavity is filled with magnetic glue; a magnetic line of force of a magnet exciting coil passes through the damping cavity; one or both of the inner surface of the outer cylinder and the outer surface of the inner core is/are in conical structure; and radial dimension of the damping cavity is gradually reduced during damping movement. The radial dimension of the damping cavity of the invention is reduced along with the relative damping movement of the outer cylinder and the inner core, the damping cavity extrudes the magnetic glue, electromagnetic force and reaction force of the magnetic glue are combined, radial engagement force is increased, and better damping effect ...

Method for finishing grinding wheel based on involute of arc and dresser

Hydraulic spiral transverse joint of robot

The present invention relates to transverse robot joint with oil cylinder to drive and screw to transmit. The transverse robot joint includes oil cylinder, rolling screw pair, thrust pair, input terminal and output terminal; and features the oil cylinder and rolling screw pair in radial arrangement, the piston and the thrust pair to convert the axial reciprocation into the rotation of the rollingscrew pair, and the rolling screw pair to drive output terminal to produce angular displacement and to output swinging motion. The oil feeding amount of the oil cylinder determines the angular displacement while the oil feeding rate determines the angular speed and the angular acceleration. The oil cylinder with low output rate and great force can meet the requirement of horizontal joint, and this results in no need of slowdown system and simple structure.

Driving apparatus of independent adjustable backlash changing thickness cycloidal gear

Soft-landing system of plane

The invention is concerned with the soft-land system for airplane, consists of the airplane, the lifting load-bearing vehicle of the airplane and the runway, it is: the airplane is without undercarriage, which the airplane is landing on the water surface when it is landing, the lifting load-bearing vehicle carries the airplane to finish the run operation; the lifting load-bearing vehicle carries the airplane to fly on the normal runway when the airplane is flying-off. The invention is without the undercarriage for the airplane that contains the passengers increasing from 200 to 300, improves the flying efficiency.

Stored energy type electric water heater

Microcomputer controlled rack engine

Closed combusted full-rotated engine

The invention is a sealed-combustion full-rotation engine, and its characteristic: its rotor is composed of at least a rotary vane installed on the spindle, which are coaxially installed in an annular casing fixed with the engine shell, there is a radial groove in the annular casing body, there is an on-off rotary disc whose end surface clings to the radical groove surface and that synchronously rotates with the rotary vanes in the ratio of 1 to 1, there is an open groove on the rotary disc that allows the rotary vane pass once rotating at an angle of 360 degrees, thus composing a sealed combustion chamber and a gas exhaust chamber for the previous combustion between the rotary disc and rotary vane, the fuel gas expands in the sealed combustion chamber to directly drive the vane to rotate, kinetic energy is outputted through the spindle to act on the external. It remarkably raises mechanical efficiency. It automatically admits and exhausts the gas, thus omitting gas inlet and outlet valves ...

An equivalent ellipsoidal harmonic speed reducer

Backpressure laminae mechanism of closure burning rotary laminae engine

Polyurethane foam sand and its producing technology

NEW METHOD FOR GRINDING BEARING ROLLAWAY NEST OF THRUST CONE ROLLER

... 本发明的推力圆锥滚子轴承滚道新磨法，根据逼近理论，采用筒形砂轮端面外圆磨削轴承滚道锥面。新磨法与现有小砂轮圆周磨削法和成型磨削法相比，生产效率显著提高，磨削精度稳定。新磨法兼顾了高效率、高精度、低成本，实用性等要求，创造了推力圆锥滚子轴承滚道高效磨削的新途径，对发展轴承生产和提高轴承性能有重要的现实意义。 ...

Closed combusted full-rotated engine

Magnetic glue damping structure and shock absorber using same

The invention discloses a magnetic glue damping structure and a shock absorber using same. An outer cylinder is sleeved outside an inner core to form a reciprocating pair along an axis; a closed damping cavity is formed between the inner surface of the outer cylinder and the outer surface of the inner core; the damping cavity is filled with magnetic glue; a magnetic line of force of a magnet exciting coil passes through the damping cavity; one or both of the inner surface of the outer cylinder and the outer surface of the inner core is/are in conical structure; and radial dimension of the damping cavity is gradually reduced during damping movement. The radial dimension of the damping cavity of the invention is reduced along with the relative damping movement of the outer cylinder and the inner core, the damping cavity extrudes the magnetic glue, electromagnetic force and reaction force of the magnetic glue are combined, radial engagement force is increased, and better damping effect can ...

Sector engine

The sector engine features the rack-sector gear mechanism to realize the conversion from the reciprocation of the piston to rotation of the sector gear, and the sector gear for mesh in the forward direction only. Four cylinders distributed in the tangent direction of the central shaft are made to produce work successively, and the oil cylinder link rod mechanism is used to realize the complete working circulation of the steam cylinders. The rolling spline is used to guide the rack. The engine has high transmission efficiency, saving in power, smooth transmision, less vibration, low noise, compact structure and light weight.

Strength magnetic glue clutch

The invention discloses a strength magnetic glue clutch, comprising a box body, and a driving shaft and a driven shaft which are coaxially arranged and are rotationally matched with the box body respectively, an axial ring-shaped sinking groove is formed at the end part of the inner side of the driven shaft, the end part of the inner side of the driving shaft is extended in the ring-shaped sinking groove and the outer circumference surface of the driving shaft and the inner circumference surface of the ring-shaped sinking groove form a closed magnetic glue cavity, and magnetic glue is filled in the magnetic glue cavity, a cam structure which is gradually descended along the transmission direction is formed on the outer circumference surface of the driving shaft, corresponding to the magnetic glue cavity, and the line of magnetic force of a magnet exciting coil penetrates through the magnetic glue cavity; the strength magnetic glue clutch has the advantages of a magnetic powder brake and ...

Minitype ship with hidden wings

A small hydrofoil ship is composed of ship body, engine system, the wing system consisting of left and right primary wings and back wing, the wing driving-regulating mechanism, and the control system consisting of microcomputer and rangefinder for measuring the distance from ship body to water surface and controlling engine and the servo motor in wing driving-regulating mechanism.

Pure rolling speed reducer

Electromagnetic rope clutch

An electromagnetic cable clutch features that a steel wire cable is wound on the surface of drive axle between drive oxle and driven sleeve or the surface of driven axle between drive sleeve and driven axle and the electromagnetic coil connected to power supply is installed on the drive or driven axle or in the drive or driven sleeve. When a voltage is applied across two electrodes, the steel wire cable betwee ntwo electrodes is attracted to connect both electrodes with each other, so realizing clutch function. Its advantages are high frequency, simple structure and low cost.

Method for machining thin-wall flexible element with assistance of low-melting-point alloy

The invention discloses a method for machining a thin-wall flexible element with the assistance of low-melting-point alloy. An assistant support made of the low-melting-point alloy is built in advance according to the thin wall characteristic to be obtained through machining. The method comprises the specific steps of (1) manufacturing a flexible element blank; (2) cleaning the flexible element blank; (3) machining a groove filled with the assistant support material; (4) selecting the assistant support material, and filling the groove with the assistant support material; (5) forming the thin wall characteristic of the flexible element through fine milling; (6) disassembling a fixture, and removing and recycling the assistant support material; (7) removing burrs; (8) separating the flexible element from a blank base body; (9) cleaning the flexible element. According to the method, in consideration that the thin wall to be machined is only 10 microns-20 microns thick and is prone to deformation ...

Pendulum type on-off valve

The invention relates to a kind of pendulum type switch valve. Its feature is that it adopts turn type valve moved around inner diameter with outer axes turn; the pass inner diameter and direction of the switch valve are consistent with the pore; the valve is driven by double-helix drive mechanism. The double helix drive mechanism includes electric machine, screw with two big-small helical groove sections and a spline groove section, scroll cover corresponded to the helical groove section and a spline groove section, spline housing and two block bearings. The big revolving lead angle scroll cover is connected to the electric machine revolution axis key installed out of the valve body by end cover. There are block bearings between the big revolving lead angle scroll cover and the small revolving turn lead angle scroll cover, the small revolving lead angle scroll cover and the spine housing. The double helix drive mechanism is connected to the valve by the small revolving lead angle scroll ...

扇齿发动机

... 一种扇齿发动机，其特征是：利用齿条扇形齿轮机构实现活塞往复运动到扇形齿轮转动的转换，由扇形齿轮同时实现齿条正方向啮合，负方向不啮合的功能。由分布在中心轴切向的四个汽缸依次作功，由油缸连动机构实现各汽缸的完整工作循环。由滚动花键实现齿条的导向。这种发动机具有传动效率高，节能，传动平稳，振动、噪声小，结构紧凑，重量小的优点。 ...

A magneto-rheological liquid without sediment

An unprecipitated magnetic current changing liquid belongs to a servo fluid of an automatic control system, comprising magnetic particle carbonyl iron powder, activating agent glycerol and stabilizer butter, volume ratio of the three is 93: 2: 5. The three substances are placed in a stirrer according to a certain proportion, and prepared the mushy un-precipitated magnetic current changing liquid after stirring. Such magnetic current changing liquid includes a quite small racing torque and has the most outstanding advantage that the unprecipitated performance can be preserved after using many times or no matter how long the liquid is laid aside.

Drilling robot for installing pipe

The invention is a kind of boring robot in pipelining. Its character lies in: the aiguille rotary mechanism is composed by the connection of drive electric axis 7 and guide sleeve axis 2; the axial feed drive mechanism of the aiguille includes feed oil cylinder which is fixed with the crust and the piston cover which locates in the feed oil cylinder and connects to the guide sleeve axis by axial bearing; it bring along reciprocate of the guide sleeve axis and the aiguille; at least a group of front sole 5 and back sole are lied on the crust; the end of sole extent out of the crust and realize the radial flex by reciprocate of the piston; the electric axis connects to the piston which locates in the stepping oil cylinder by piston rod and the piston realize the advancing, back and turning of the robot by selective arrange with the piston moving of the front sole and the back sole. The robot can bore under road and prevent the damage of excavating the wire casing.

Two stroke operation engine and its two stroke operation process

Actuator for rotating or folding aerofoil of airplane

An actuator for rotating or folding the wing of airplane is composed of a cylinder and a rotating or folding unit which consists of rolling spline sets and rolling linear spiral sets, which are alternatively arranged. Said rolling spline set and rolling linear spiral set are also disclosed.

Overturn-preventing device capable of adapting to complicated pavement automatically and applied to engineering machinery and overturn-preventing method

The invention discloses an overturn-preventing device capable of adapting to complicated pavement automatically and applied to the engineering machinery and an overturn-preventing method, which are applied to the engineering machinery with landing legs. A sensor is used for detecting the working pressure of an upper cavity of a leg hydraulic cylinder and the inclination angle of an automobile body in real time and sending a signal to a controller; the controller is used for receiving the signal and comparing the signal with the preset numerical value, when the received signal exceeds the preset value, and the controller sends a control command to a hydraulic actuation element; the hydraulic actuation element is adopted to control the single landing leg to be lifted, and the purposes of automatically adapting to the complicated pavement and preventing the automobile body from overturning are achieved; and when the landing leg is adjusted to reach the limiting position, and an alarm is given ...

Hanging rail type electrolytic aluminum workshop inspection platform and method

The invention relates to the technical field of electrolytic aluminum, in particular to a hanging rail type electrolytic aluminum workshop inspection platform and method, and the platform comprises a rail which is laid above an inspection point; the inspection robot is in sliding fit with the track, a driving part of the inspection robot is wrapped by a first shell, cooling water is introduced into the first shell, the first shell is externally wrapped by an electromagnetic shielding material, the inspection robot is provided with a control box, a control area is arranged in the control box, and the control area is externally wrapped by an electromagnetic shielding material. The inspection robot is provided with a detection device; the problems that in the prior art, routing inspection is not comprehensive, and long-time work cannot be achieved in the strong magnetic and high-temperature environment are solved.

Dual-hull ship

A dual-hull ship used as sea ship, floating dock, or sea airport is composed of upper and lower hulls, truss for linking two hulls together, floating box positioned in underwater part of truss of carrying ship equipment, keel at bottom of truss, and claws set up around under water part of truss and on keel. Its advantage is high stability and reduced rocking of ship body due to wave.

Stored energy type electric water heater

The invention is an energy-storage electrothermal water heater, including energy-storage chip core body, and its characteristic lies in that it includes the components: metal ceramic energy storage body with electric heating element inside and heat-insulating layer outside; heat exchange channel connected with water inlet and steam outlet, respectively; water distributing pipe fitting connected with the water inlet through throttle; transition reservoir that is connected with the steam outlet and has a cold water supply mouth connected with the water distributing pipe fitting and an water outlet connected with the hot water end of a temperature and water regulating valve; microcomputer control component including temperature sensors, which collects the information received by the sensors to control switching-on and switching-off of the power supply of the electric heating element and the open and close of the throttle. The invention can remarkably reduce the bulk, store more heat and increase ...

Numeral controlling method of common multi-coordinates

滚动螺旋发动机

... 一种滚动螺旋发动机，其特征是：包括螺旋转换机构和连续步进旋转机构：螺旋转换机构由滚动花键副及滚动螺旋副串行排列组成；滚动花键副和滚动螺旋副的内套成整体；其一端或两端与一个或多个活塞杆串接；连续步进旋转机构包括两套旋向相反滚动螺旋副和输出齿轮，由两个螺旋套(6、12)分别通过离合器与输出齿轮(10)连接。本发明利用滚动螺旋转换机构代替曲柄连杆机构，使活塞的往复直线运动转换为连续旋转运动，由于整个动力转换过程是在全滚动环境下完成，可显著提高发动机的效率。由于滚动螺旋机构输出的旋转运动速度与活塞移动速度成正比，活塞不受侧向力，没有死点，输出平稳，是一种振动噪声较小的环保型发动机。 ...

Dishing aerocraft

A dish-shaped airplane features that its main wing with an elevation angle, leading edge flap and a pair of torsional wings are combined to splice a circular shape. Under the control of fly control computer, said leading edge flap and two torsional wings are used to change fly direction and left or right inclination. Its advantage is the maximal lift force and light weight.

Dual-hull ship

一种两行程工作发动机及其两行程工作方法

The two-stroke working method of two-stroke engine includes the following steps: a. the first stroke is expansion stroke, including air admission, closing admission valve, ignition, combustion, piston movement to move screw rod to drive scroll cover and make it rotate, clutch combination, clutch drives the output mechanism and makes it rotate and outputting powder; and second stroke is exhaust stroke, including: releasing clutch and back-pushing piston to the original position by reset spring. Said invented two-stroke engine includes engine body, air admission and exhaust valves controlled by electromagnetic valve, conversion component for converting linear movement into rotary movemkent, reset spring and clutch, etc.

Ship steering engine with driving mechanism inside helm bar

Engine with rolling screw

A roll screw engine includes screw conerting mechanism and continuous step by step rotating mechanism, of which the screw converting mechanism is formed by connecting integral key pair and roll screwpair in series arrangement. The internal sheath of above said pairs will become a complete set with its one end or two ends to be connected with one or several piston rod in series. The continuous step by step rotating mechanism includes two sets of roll screw pair with rotating direction in reverse and exporting gear wheel as two serewing sheathes to be connected with exporting gear wheel separately through clutch. The present invention uses roll screw converting mechanism in stead of crank link mechanism to convert reciprocating linear motion of piston into continuous rotating motion.

Multi-machine cooperative control method and system applied to intelligent network connection engineering machinery

The invention discloses a multi-machine cooperative control method and system applied to intelligent network connection engineering machinery, relates to the field of intelligent network connection engineering machinery, and aims at quickly and remotely taking over target equipment, and when an operator in an intelligent cabin observes that the remote engineering machinery is abnormal and needs to take over corresponding equipment emergently, the operator can take over the corresponding equipment emergently. The communication connection between the intelligent cabin and the target equipment can be established only by completing the sliding operation in the same direction on the control panel according to the observed real direction of the target engineering machinery relative to the target engineering machinery, the takeover control of the target equipment is rapidly completed, and the operation is convenient and rapid. According to the method, the takeover efficiency is greatly improved ...

Gare changing thick involute planetary decelerating unit

Digital controlled method for grinding teeth of cycloidal gear, and its appts.

A numerally controlled tooth grinding method for cycloid gear features that an abrasive disk is driven by a cranker-connecting rod mechanism to linearly reciprocate for forming an equivalent cylindrical grinding surface and the cycloid gear to be machined is driven by a dual-coordinate numerally controlling system controlled by microcomputer to shift and rotate, so enveloping whole tooth profile of cycloid gear.

Microcomputer controlled rack engine

The rack motor is controlled by the PC. The piston drives the rack, gear and shaft to make reciprocating motion, the fine tooth surpass clutch transforms the movement of same direction. Applying rolling rail gear to substitute bent shaft can save up oil roughly 10%. Applying PC to control the inlet and outlet valve to substitued the cam-jib-rocket system can simplify the structure and optimize the working status of the motor. Applying PC to cotnrol the pressure inlet valve system, the air suction and air compression procedure accomplished by the piston bend shaft system can be omitted.

Precision rotation angle mechanism

The invention is a precision corner mechanism, belonging to the field of controlling the posture of civil spacecrafts and other fields in need of high precision angle control, characterized in that: it comprises an osculation circle reducer and 0-3 double spiral reducers, all of them are arranged in turn, coaxially; the left of the reducers is provided with a brake disc fixed on a servo motor by flange, and the right of the reducers is provided with a driving disc fixed on a driving shaft, the two discs have brake electromagnets and driving electromagnets corresponding to the reducers at all stages, respectively, the control pulses of the reducers are input by the servo motor, all the reducers output the needed corner value stage by stage to improve the needed corner precision stage by stage. And the outer rings of the reducers output the corner values. Combining with the corresponding measurer and microcomputer system, it can implement the adjustment of an arbitrary corner by a precision ...

Method for finishing grinding wheel based on involute of arc and dresser

A method and equipment for truing the arc-based involute abrasive disk is disclosed. Said method includes creating a pair of truing devices composed of the mechanism for making diamond pen to do arc moement and the involute compensating mechanism, creating the reference part for measuring the radius of arc, shifting the dual-coordinate regulating mechanism for arc center, using said mechanism for generating arc movement to generate involute profile of tooth, and automatic and continuous truing by said compensating mechanism according to the calculated difference between involute and tooth profile.

General reducer with eccentric engagement pairs

The invention discloses a general reducer with eccentric engagement pairs, comprising a shell, a power input shaft and a power output shaft, wherein an eccentric sleeve is fixedly arranged in the circumferential direction of the power input shaft, is engaged with engaging coggings on the shell by one-to-one correspondence through engaged teeth and is engaged with external gears on the power output shaft in small teeth difference through internal gears. The power input mechanism of the invention adopts the engagement pairs without teeth difference, which is similar to spline engagement, therefore, the relative autorotation speed of the engaging coggings and the engaged teeth is zero and autorotation of a driving fluted disc is eliminated, thus eliminating the high-frequency waves generatedin the driving process of the reducers with small teeth different in the prior art, avoiding unnecessary additional motion, improving the driving efficiency and ensuring the motion to be output without ...

Magnetic adhesive brake

The invention discloses a magnetic adhesive brake which adopts novel material of magnetic adhesive for replacing the magnetic powder in the prior art. The magnetic adhesive is an adhesive material between liquid and solid, can maintain an original shape in a free state, and can be changed into any shape when bearing a shearing force; the magnetic adhesive can be adhered to the chamber wall of a rotor and a stator of the brake and does not prevent the relative free rotation of the rotor and the stator when in normal work; when a coil is electrified, the magnetic adhesive can generate resistance moment on the rotor like the magnetic powder does, meanwhile, the resistance moment is directly proportional to the current in the coil; the magnetic adhesive has all the advantages of the magnetic powder brake, has the advantages of stable output torque, low temperature rise, large sliding power, small powder particle abrasion, long service life and the like, does not have the agglomeration problem ...

Magnetic glue

The invention discloses magnetic glue comprising magnetic powder, colloid fatty acid metal salt and polyolefin oil, wherein the colloid fatty acid metal salt is used as a glue shape bracket used for dispersing and supporting the uniform distribution of the magnetic powder in space, and the polyolefin oil is used as a dispersant used for forming a film wrapping the magnetic powder. When being in afree state, the magnetic glue can keep the original shape; when bearing shearing force, the magnetic glue also can change the self into an arbitrary shape; when working normally, the magnetic glue does not prohibit the relatively free rotation of a relative movement pair; when coils are electrified, the magnetic glue can generate resistance moment on a rotor as the magnetic powder, and the resistance moment and current in the coils are in direct proportion; and the invention has the advantages of stable output moment, low temperature rise, large slippage power, small abrasion of powder particles ...

Magnetic glue

The invention discloses magnetic glue comprising magnetic powder, colloid fatty acid metal salt and polyolefin oil, wherein the colloid fatty acid metal salt is used as a glue shape bracket used for dispersing and supporting the uniform distribution of the magnetic powder in space, and the polyolefin oil is used as a dispersant used for forming a film wrapping the magnetic powder. When being in a free state, the magnetic glue can keep the original shape; when bearing shearing force, the magnetic glue also can change the self into an arbitrary shape; when working normally, the magnetic glue does not prohibit the relatively free rotation of a relative movement pair; when coils are electrified, the magnetic glue can generate resistance moment on a rotor as the magnetic powder, and the resistance moment and current in the coils are in direct proportion; and the invention has the advantages of stable output moment, low temperature rise, large slippage power, small abrasion of powder particles ...

电磁绳离合器

... 一种电磁绳离合器，其特征是：在主动轴与从动套之间的主动轴表面，或主动套与从动轴之间从动轴的表面上螺旋层状绕制钢丝绳；在所述的主动轴、从动轴上或主动套、从动套内安装有连接在电源回路中的电磁线圈。其工作原理为在两磁极间分布钢纤维即钢丝绳，在断电时，两极分离；而通电时，钢纤维被两极吸引，从而由钢纤维将两极连接在一起。由电磁实现离与合，可以达到很高的频率；由于钢纤维的接触点是随机的，因此，超载打滑时，不会烧坏工作面；再者，它对精度的要求也很低。这种电磁绳离合器，结构简单，外形尺寸小，成本低，能传递很大的力矩，具有很高的操作频率。 ...

Strength magnetic glue clutch

The invention discloses a strength magnetic glue clutch, comprising a box body, and a driving shaft and a driven shaft which are coaxially arranged and are rotationally matched with the box body respectively, an axial ring-shaped sinking groove is formed at the end part of the inner side of the driven shaft, the end part of the inner side of the driving shaft is extended in the ring-shaped sinking groove and the outer circumference surface of the driving shaft and the inner circumference surface of the ring-shaped sinking groove form a closed magnetic glue cavity, and magnetic glue is filled in the magnetic glue cavity, a cam structure which is gradually descended along the transmission direction is formed on the outer circumference surface of the driving shaft, corresponding to the magnetic glue cavity, and the line of magnetic force of a magnet exciting coil penetrates through the magnetic glue cavity; the strength magnetic glue clutch has the advantages of a magnetic powder brake and ...

飞机起降方法及起降车

A method for the taking-off and the landing of airplane features use of the taking-off and landing controller and the taking-off and landing vehicle in airport, so omitting the landing chassis of airplane. Said taking-off and landing vehicle is also disclosed.

Airplane with rectangle wings

An airplane with rectangular wings whose length is close to that of airplane body features that when the area and lift force of the wing are equal to those of the existing wings, the force moment of the lift force acting on the wing is minimal, so obvisouly decreasing the average thickness and weight of wing.

Variable-focal-length common-path flexible endoscopic OCT (optical coherence tomography) system and working method

The invention provides a variable-focal-length common-path flexible endoscopic OCT (optical coherence tomography) system and a working method. A first variable optical attenuator is used for receiving light of a light source and transmitting the light to a first port of a circulator, and a second port of the circulator is used for outputting the light to a flexible endoscope probe and receiving reflected light of the flexible endoscope probe; a third port of the circulator is used for transmitting reflected light of the flexible endoscope probe to the first coupler; the first compensation light path is used for receiving first beam splitting light of the first coupler, the second compensation light path is used for receiving second beam splitting light of the first coupler, the proportion of the first beam splitting light is smaller than that of the second beam splitting light, and the second coupler is used for receiving output light of the first compensation light path and the second ...