Limited contact inner-arc dynamic stress bone fracture plate

The invention discloses a limited contact inner-arc dynamic stress bone fracture plate. After the bone fracture plate is fixed on a fracture part, the distance between the bone fracture plate and the bone is 0.3 to 0.5 millimeter through an inner-arc structure on the limited contact inner-arc dynamic stress bone fracture plate; a periosteum is not peeled or subjected to pressure necrosis through a limited contact fixed mode so that the fracture end has good blood circulation and fracture healing is promoted; the stress generated by stressed deformation motion of the arc structure of the fixed section is transferred to the fracture end so that the healing of the fixed fracture bone can be accelerated through proper stress stimulation and the complication is reduced; and the bone fracture plate shortens the healing time and achieves biological fixation.

Method for treating and recycling coal-derived natural gas waste water and device thereof

The invention relates to a method for treating and recycling coal-derived natural gas waste water and a device thereof; the invention is characterized in that a pre-treatment system, a first-section biochemical treatment and physical-chemical treatment system and a second-section biochemical treatment and a membrane separation system are used for treating and recycling coal-derived natural gas waste water. The method and the device have the advantages that the pre-treatment, the first-section biochemical treatment, the physical-chemical treatment, the second-section biochemical treatment and the membrane separation are reasonably designed and combined, treated water reaches the recycling requirements, and waste water pollution is solved, water resources are saved and the long-term industrial development is facilitated. When the invention is used for treating coal-derived natural gas waste water, COD (chemical oxygen demand) of coal-derived natural gas waste water is 4000 to 6000mg/L before ...

Bionic creeping device based on helminth creeping mechanism

The invention discloses a bionic worming crawling mechanism which is based on the worm crawling mechanism. The bionic worming crawling mechanism is characterized in that the bionic worming crawling mechanism is provided with a plurality of telescopic body joints and a control body joint which contain curved surface shells, 4 small holes are evenly distributed on the circumferential direction of the curved surface shell of each body joint, and the body joints are mutually connected through elastic ropes. The bionic worming crawling mechanism adopts the elastic energy storage and the reverse brake principle of a one-way wheel to realize the bionic worming crawling. The motion of a rigid body or an elastomer is controlled through changing the length of the elastic ropes, thereby realizing thedirection changes of the bionic worming crawling, the obstacle avoidance or the obstacle crossing. The bionic worming crawling mechanism has wide application value, an electromagnetic sucker or a vacuum ...

Non-contact inner arc diaphysis-shaped stress bone fracture plate

The invention discloses a non-contact inner arc diaphysis-shaped stress bone fracture plate. The bone fracture plate is fixed on a fracture position by a novel bone screw to cause the distance between a steel plate and the bone to be 0.3mm-0.5mm, and periosteum is not stripped off and can not be damaged due to compression by non-contact fixation, thus causing a fracture end to have good blood circulation and promoting the fracture to heal; stress is produced by stress deformation motion of arc structure at a fixed section and then transferred to the fracture end; the fixed bone due to the fracture can still quickly heal and complication are reduced by proper stress stimulation; and healing time is shortened, and biological fixation is achieved.

Limited contact inner arc bone plate set

The invention relates to a limited contact inner arc bone plate set. The limited contact inner arc bone plate set has an inner arc structure which is fixed on the fracture site through a novel bone screw, so that a distance of 0.3 to 0.5mm is reserved between a steel plate and the skeleton and a periosteum is not stripped and compressed to be necrotized through a limited contact fixed mode. Therefore, the fracture end has excellent blood circulation and fracture healing is facilitated.

Improved clustering algorithm for load prediction input variable classification of heating station

The invention discloses an improved clustering algorithm used for heat station load prediction input variable classification, and relates to the technical field of heat supply network heat station regulation and control, and the algorithm comprises the following steps: S1, collecting heat station load prediction modeling historical data; s2, carrying out segmentation initialization on a historical data set and initializing a load prediction model of the heating station; s3, iteratively optimizing the segmentation effect of the historical data set and the load prediction model of the heating station; s4, stopping the segmentation effect of the historical data set and the iterative optimization process of the load prediction model of the heating station; and S5, carrying out heat station load prediction on a new input sample.

Acquisition and preservation method of polyacrylamide gel electrophoretic analysis graph

The invention discloses an acquisition and preservation method of a polyacrylamide gel electrophoretic analysis graph. A specific softening active reaction reagent is adopted so that the adsorption force between a glass plate and a polyacrylamide gel silver staining analysis graph is reduced, the integrity of the polyacrylamide gel electrophoretic analysis graph is guaranteed when the polyacrylamide gel electrophoretic analysis graph is separated from the glass plate, and the condition that the polyacrylamide gel electrophoretic analysis graph is damaged when the glass plate and the polyacrylamide gel electrophoretic analysis graph are relatively firmly stuck to cause separation is prevented from occurrence; furthermore, a cellulose membrane is used as a carrier of the polyacrylamide gel silver staining analysis graph, and the cellulose membrane is very light after being dried and also has certain toughness, so that the cellulose membrane is convenient and easy to carry and is convenient ...

Material distributing device for lotus seed sun-dried cloth

The utility model discloses a material distributing device for lotus seed sun-drying cloth. The device comprises a stock bin, a supporting platform, a first supporting frame, a second supporting frame, a lifting air cylinder and a bottom plate. The stock bin is in a hollow cylinder shape. Material openings are formed in the circumference of the upper end surface or the lower end surface of the bin; the stock bin is arranged on the supporting platform. The first supporting frame and the second supporting frame are both in a U shape. One end of the supporting platform is provided with a round hole penetrating through the two side faces of the supporting platform and assembled in the first supporting frame through a rotating shaft and the round hole, the other end of the supporting platform is provided with a kidney-shaped hole penetrating through the two side faces of the supporting platform and assembled in the second supporting frame through a rotating shaft and the kidney-shaped hole,and ...

Controller for fire extinguishing nozzle and control method thereof

The controller comprises a controller body, a water inlet channel of the controller body is connected with a water inlet main pipe through a water inlet pipeline, and a water outlet channel of the controller body is connected with an open type spray head through a water outlet pipeline; a control cavity is formed in the controller body, and the water inlet channel and the water outlet channel are communicated with the control cavity; a first conical hole is formed in the upper end of the control cavity, a grid frame is installed on the controller body, a first piston is plugged in the first conical hole, and a glass bulb is arranged between the first piston and the grid frame; and a second piston blocks the lower end of the control cavity and blocks the water inlet channel and the water outlet channel. The control method comprises the following steps that the glass bulb senses fire and breaks, the first piston moves upwards, water in the water inlet channel impacts the second piston to ...

High -efficient outdoor natural forced -air cooling heat dissipation condenser

The utility model discloses a high -efficient outdoor natural forced -air cooling heat dissipation condenser, including casing and electric capacity core, intermediate position fixedly connected withelectric capacity core in the casing, electric capacity core top is equipped with the movable plate, the cavity intussuseption that is located the movable plate below in the casing is filled with insulating oil, the casing is located electric capacity core both sides and has seted up air cooling passage. The utility model discloses a be equipped with air cooling passage, increase capacitor case'sheat radiating area, the insulating oil that makes the inside central point of condenser put simultaneously better with the air heat transfer, make the peripheral gas flow efficiency of condenser improve in addition, improved the radiating efficiency of condenser greatly, the utility model discloses be equipped with movable plate and lifter plate for when inside atmospheric pressure risees, through the ...

Method and device for achieving middle-upper thoracic vertebrae semi-pedicle screw fixation in posterior mode

The invention discloses a device used in cooperation with a middle-upper thoracic vertebrae semi-pedicle fixation operation in a posterior mode. The device comprises a nut, a screw, a connecting rod, a spring cushion and an elastic self-locking module. The end in the perpendicular direction of the elastic self-locking module is connected with the screw, and the end in the horizontal direction of the elastic self-locking module is connected with the connecting rod. When the device is in use, the nut is screwed to enable the elastic cushion and the elastic self-locking module to be meshed, and therefore the screw is locked. The invention further discloses a method for achieving middle-upper thoracic vertebrae semi-pedicle screw fixation in the posterior mode. The problem that due to the fact that a traditional fixation device has no elasticity function and is likely to be loosened and cause screw breakage under the human body kinetics effect after being fixed during an operation, the operation ...

Automatic detector for textural properties of hardness and viscosity of cooked rice grains

The invention relates to an automatic detector aiming at textural properties of hardness and viscosity of cooked rice grains. A structure of the automatic detector comprises: a motor is connected with a shaft which is connected with a cam; a guide rod is arranged below the cam; a spring is arranged on the guide rod, and the underside of the guide rod is provided with an upper measuring arm and a lower measuring arm which are connected to a box body; the upper measuring arm is provided with an upper moveable block; a fastening screw is arranged on the upper moveable block, and the underside of the upper moveable block is connected with a pressure head; the lower measuring arm is provided with a lower moveable block which is provided with a lower fastening screw, and the above of the lower moveable block is connected with a tray which aims at the pressure head on the above; and strain gauges are arranged on the upper measuring arm and the lower measuring arm to form a differential bridge ...

Jc in high magnetic field of bi-layer and multi-layer structures for high temperature superconductive materials

To improve the chemical stability, as well as the critical current density (JC) of a superconductive material in an external magnetic field, copper-oxide coating materials have been developed. In some embodiments, these coating materials include a composition with the formula R1-xCaxBa2-yLayCu3-zMzO7-delta, where R is a rare-earth element (e.g., La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, or Y), M is a transition metal (e.g., Mn, Re, Fe, Os, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au, Zn, Cd, or Hg), 0<=x<=0.4, 0<=y<=0.4, and 0<=z<=1.0. These coating materials are preferably used as a surface layer on superconductive materials to impart corrosion resistance and an improved critical current density when the layers are exposed to magnetic fields ...

Casting slurry, green tape and preparation method of green tape

The invention relates to the technical field of electronic ceramic substrate materials, in particular to tape casting slurry, a green tape and a preparation method thereof.The tape casting slurry is prepared from a component A, a component B and a component C. The component A comprises calcium borosilicate glass powder; the component B comprises a solvent, a binder, a plasticizer and a dispersant; the component C comprises one or more of an acrylic adhesive, an alkane mixture, a pre-dispersing agent and an auxiliary agent; the mass ratio of the component A to the component B to the component C is 100: (50-150): (0.02-20). The tape casting slurry provided by the invention is moderate in viscosity and good in fluidity, and a green tape with uniform film thickness and a flat surface can be obtained.

Medical oscillator

The utility model discloses a medical oscillator, including oscillator main part and reaction, the reaction include cell body, capping, mounting and electric magnetic vibration appearance, the mounting setting in the cell body, the mounting by the pillar, sway the arm and the plastics bolt constitutes, the lower surface and the tank bottom fixed connection of pillar, the upper end and the first end hinge that sways the arm of pillar connect, the second end that sways the arm is provided with the screw, the internal diameter of screw and the external diameter phase -match of plastics bolt, the non -oscillatory end and the cell body bottom surface fixed connection of electric magnetic vibration appearance still include little household utensils seat, are provided with on the little household utensils seat and are no less than two little household utensils groove, electricity magnetic vibration appearance can make household utensils vibrate from top to bottom to guarantee that the reaction ...

Fiber membrane production workshop wastewater treatment process

The invention belongs to the technical field of wastewater treatment, and particularly relates to a fibrous membrane production workshop wastewater treatment process, which sequentially comprises the following operations on fibrous membrane production workshop wastewater: regulation; carrying out first-stage multi-element electrocatalytic oxidation; the primary biochemical treatment comprises anoxic treatment, aerobic treatment and MBR (membrane bioreactor) treatment which are arranged in sequence, and a microbial agent is added during aerobic treatment; adjusting again; carrying out secondary multi-element electrocatalytic oxidation; the secondary biochemical treatment comprises anoxic treatment, aerobic treatment and MBR (membrane bioreactor) treatment which are arranged in sequence, and a microbial agent is added during aerobic treatment; and discharging or refluxing to the re-adjusting step. According to the treatment process, through the synergistic effect of two-stage multi-element ...

Pipe-manufacturing online marker

The invention relates to a pipe-manufacturing online marker. The pipe-manufacturing online marker is characterized by comprising a support, a first adjusting device, a first connecting seat, a cylinder, a second connecting seat, a motor, an ink wheel and a heating member, the first adjusting device is connected on the support, the first connecting seat is connected on the first adjusting device, the cylinder is connected on the first connecting seat, the second connecting seat is connected on a piston rod of the cylinder, the motor is arranged on the second connecting seat, the ink wheel is connected with the motor, and the heating member is arranged on the support. The pipe-manufacturing online marker can quickly form a defect mark on a welding pipe, thoroughly avoids the problem that marking cannot be realized caused by blockage of a spray nozzle due to the fact that ink volatilizes and cakes in the prior art, is simple in structure, stable and reliable in working and small in size, can ...

Seven-ingredient Tong-mai hot compress paste as well as prevention and treatment thereof for infusion phlebitis

The invention relates to a seven-ingredient Tong-mai hot compress paste and prevention and treatment thereof for infusion phlebitis. Aiming at infusion phlebitis, Chinese traditional medicine tincture and novel fast heat-production agent are put into a bag and insulated to form the hot compress paste to carry out continuous hot compress to the affected part of phlebitis so as to achieve the effect of preventing and treating infusion phlebitis. The hot compress paste belongs to the field of medical care. The invention has simple preparation process, comprises a medicine bag (1) filled with Chinese traditional medicine tincture, a heating bag (2), a paste adhesive tape (3) and a medicine feeding port (4), and is sealed in a plastic bag for use. The Chinese traditional medicine tincture comprises the following ingredients: 20g of angelica, 20g of mirabilite, 10g of rhubard, 20g of radix scrophulariae, 0.5g of borneol, 15g of gardenia and 12g of cassia twig. The ingredients are abstracted into ...

A mend yarn mechanism for glass fiber doff

The utility model relates to a mend yarn mechanism for glass fiber doff, including apron, handle, base, universal wheel, cylinder, supporting leg, box, motor no. 1, connecting rod, motor no. 2, connecting axle, precursor, fixed plate and electronic jar, the box right -hand member is equipped with two openings, electronic jar is equipped with two, two electronic jar is all fixed on the inside leftwall of box, two right -hand members on the motor are fixed with the connecting axle, the winding has the precursor on the connecting axle, the fixed plate is fixed inside the box, the fixed plate lies in a motor below, the supporting leg is equipped with four, four the supporting leg symmetry is fixed under the box on the terminal surface, the supporting leg lower extreme is fixed with the cylinder, the cylinder is fixed on the base up end, the base lower extreme is fixed with the universal wheel, the utility model discloses degree of automation is high, and is efficient, can reduce work load, ...

Non-contact arcuated stress bone plate for epiphysis

The invention provides a non-contact capitulum curved stress bone fracture plate. The plate is fixed on a catagmatic part through novel bone screws with 0.3 to 0.5 mm of distance between the bone fracture plate and the bone; the non-contact fixing mode is adopted, so the periosteum cannot be peeled off and also cannot become necrosis caused by pressing, thereby ensuring that the catagmatic part has good blood supply, and promoting the healing of the catagmatic part. The stress deformation movement of the fixing section curved structure transfers the stress to the catagmatic end, so that the bone after fracture fixation can also be stimulated by appropriate stress to accelerate healing and reduce complication. The plate has the advantages of shortening the healing time and achieving biological fixation.

Chinese medicine preparation for treating constipation

The invention relates to and provides a traditional Chinese medicinal preparation for treating constipation, which adopts certain weight portions of angelica, radix rehmanniae, garden burnet root, Baikal skullcap root, fructus cannabis, rhubarb and other traditional Chinese medicines. The preparation has the functions of nourishing intestines, promoting the secretion of body fluid, improving stagnation and relaxing bowels without hurting vital energy. A plurality of trials prove that the preparation can not only alleviate the symptoms, but also treat both principal and secondary aspects of diseases, mainly effects a permanent cure, is definite in efficacy, free from recurrence and side effects and more efficient than the prior method, remarkably improves cure rate, and is greatly popular with patients.

Primary-secondary capacitor for three-power washing machine

The invention relates to an electrician component, in particular to a primary-secondary capacitor for a three-power washing machine. The primary-secondary capacitor comprises a shell, a capacitor, a third lead and an induction coil, wherein the capacitor is arranged in the shell and connected in series with the induction coil via the third lead and comprises a first core, a second core and a core shaft, metal spraying layers are arranged on the upper end faces and the lower end faces of the first core and the second core, and an isolation membrane is arranged between the first core and the second core. A novel winding and welding technology is adopted, so that the primary-secondary capacitor can be used for respectively generate respective capacity, the capacities also can be overlapped to generate a third capacity, three capacities are in respective correspondence to the usage states of three different powers of the washing machine, and the output range of the working power of the washing ...

Method for treating and recycling coal-derived natural gas waste water and device thereof

The invention relates to a method for treating and recycling coal-derived natural gas waste water and a device thereof; the invention is characterized in that a pre-treatment system, a first-section biochemical treatment and physical-chemical treatment system and a second-section biochemical treatment and a membrane separation system are used for treating and recycling coal-derived natural gas waste water. The method and the device have the advantages that the pre-treatment, the first-section biochemical treatment, the physical-chemical treatment, the second-section biochemical treatment and the membrane separation are reasonably designed and combined, treated water reaches the recycling requirements, and waste water pollution is solved, water resources are saved and the long-term industrial development is facilitated. When the invention is used for treating coal-derived natural gas waste water, COD (chemical oxygen demand) of coal-derived natural gas waste water is 4000 to 6000mg/L before ...

Safety firecracker gunpowder mixing and filling equipment

The invention discloses safety firecracker gunpowder mixing and filling equipment which comprises an adding mechanism, a screening mechanism, a mixing mechanism and a filling mechanism which are connected in sequence through a conveyor belt. By means of the equipment, all work of preparation, mixing, filling, automatic residual gunpowder recovery and firecracker cake conveying can be finished on a spot in time, and the amount of gunpowder stored in the equipment is controlled within a relative safe range through dynamic control over the gunpowder amount; static and electrical sparks are comprehensively and completely eradicated through various measures; the equipment has the operating worker safe distance protection function, and a blast wall is arranged for isolation, so that personnel safety accidents are avoided to the maximum extent; the operating safety performance of the equipment is ensured, and a safety coefficient of the equipment is largely increased. Meanwhile, the safety firecracker ...

Pipe coiler

The invention relates to a pipe coiler. The pipe coiler comprises a riding wheel used for bearing a pipe to be coiled and is characterized by further comprising a pipe conveying device and a pipe uncoiling device, wherein the pipe conveying device sequentially comprises a pipe conveying base, a lifting mechanism, a fine adjustment mechanism, a supporting base, a radial adjusting mechanism and a riding wheel from bottom to top, the pipe uncoiling device comprises a pipe uncoiling base, a base plate is arranged on the pipe uncoiling base and provided with a support, and the support is provided with a rotating disk which is provided with an axial clamping mechanism, a radial clamping mechanism, a telescopic sleeve, an anti-shrinking mechanism, sensors and a control system. Through the pipe coiler, the pipe feeding position can be tracked in real time, the pipe conveying height, the pipe conveying angle and the pipe conveying speed can be adjusted in real time, the pipe coiling quality is guaranteed ...

Rotation stress proofing bone fracture plate

The invention discloses a stress bone fracture plate which is manufactured by adopting titanium alloy with low elasticity modulus, high fatigue resistance and favorable biocompatibility, is provided with a locking pin hole and a rotation stress adjustment area, and is characterized in that (1) a rotation stress transfer shape is designed at the proper part of the bone fracture plate, and the deformation motion of a wide arc structure at the unfixed section of the dynamic stress bone fracture plate is adopted to offset the rotation stress generated by a fracture end, so that skeleton the fracture end of which is fixed can be healed more quickly and has less complicating diseases under the stimulation of proper stress, thus the healing time is shortened, biological fixation is achieved, and the negative influence of the rotation stress to the fracture end can be reduced; and (2) bolts are manufactured into a lock state, and the tails of the bolts and parts entering into the bone are provided ...

Universal interbody fusion cage propeller

A universal interbody fusion cage propeller comprises a sleeve and is characterized in that the front portion of the sleeve is in an arc shape, an outlet is formed in the front end of the sleeve, a push rod is arranged in the sleeve, a push plate is arranged at the front end of the push rod, and a rotating push handle is arranged at the rear end of the push rod. An observation window is arranged on the arc-shaped inner side of the sleeve, the outlet in the front end of the sleeve is semi-circular or semi-rectangular, an outer thread is arranged at the rear end of the sleeve, a threw cap is arranged on the outer thread, and a through inner thread is arranged in the middle of the screw cap. The front half part of the push rod is made of an elastic material, the rear part of the push rod is made of a steel material, and an outer thread is arranged on the steel material. The push plate is arranged at the front end of the elastic material, and a circular concave groove is formed in the rear ...

On-hook support and on-hook installation method

The invention discloses an on-hook support and an on-hook mounting method, the on-hook support comprises a back plate attached to a wall and a bottom plate supported at the lower end of an on-hook, and the middle or the lower end of the back plate is connected with the bottom plate; and the back plate is provided with a positioning hole corresponding to a ventilation opening of the hanging machine. The hanging machine mounting method specifically comprises the following steps that the positioning holes of the back plate are aligned with the positions of the ventilation holes outside the wall body; leveling the back plate; the back plate is installed outside the wall body; and the hanging machine is installed on the bottom plate, and a ventilation opening of the hanging machine is connected with the ventilation pipeline penetrating out of the wall body. According to the on-hook support and the on-hook installation method, rapid and accurate installation can be achieved, the installation ...

Bionic creeping device based on helminth creeping mechanism

The invention discloses a bionic worming crawling mechanism which is based on the worm crawling mechanism. The bionic worming crawling mechanism is characterized in that the bionic worming crawling mechanism is provided with a plurality of telescopic body joints and a control body joint which contain curved surface shells, 4 small holes are evenly distributed on the circumferential direction of the curved surface shell of each body joint, and the body joints are mutually connected through elastic ropes. The bionic worming crawling mechanism adopts the elastic energy storage and the reverse brake principle of a one-way wheel to realize the bionic worming crawling. The motion of a rigid body or an elastomer is controlled through changing the length of the elastic ropes, thereby realizing the direction changes of the bionic worming crawling, the obstacle avoidance or the obstacle crossing. The bionic worming crawling mechanism has wide application value, an electromagnetic sucker or a vacuum ...

Automatic detector for textural properties of hardness and viscosity of cooked rice grains

The invention relates to an automatic detector aiming at textural properties of hardness and viscosity of cooked rice grains. A structure of the automatic detector comprises: a motor is connected with a shaft which is connected with a cam; a guide rod is arranged below the cam; a spring is arranged on the guide rod, and the underside of the guide rod is provided with an upper measuring arm and a lower measuring arm which are connected to a box body; the upper measuring arm is provided with an upper moveable block; a fastening screw is arranged on the upper moveable block, and the underside of the upper moveable block is connected with a pressure head; the lower measuring arm is provided with a lower moveable block which is provided with a lower fastening screw, and the above of the lower moveable block is connected with a tray which aims at the pressure head on the above; and strain gauges are arranged on the upper measuring arm and the lower measuring arm to form a differential bridge ...

Road-construction data collection

Chinese medicine preparation for treating constipation

The invention relates to and provides a traditional Chinese medicinal preparation for treating constipation, which adopts certain weight portions of angelica, radix rehmanniae, garden burnet root, Baikal skullcap root, fructus cannabis, rhubarb and other traditional Chinese medicines. The preparation has the functions of nourishing intestines, promoting the secretion of body fluid, improving stagnation and relaxing bowels without hurting vital energy. A plurality of trials prove that the preparation can not only alleviate the symptoms, but also treat both principal and secondary aspects of diseases, mainly effects a permanent cure, is definite in efficacy, free from recurrence and side effects and more efficient than the prior method, remarkably improves cure rate, and is greatly popular with patients.

Three-way sterile box for central venous catheter

The utility model relates to the technical field of medical auxiliary instruments. The utility model discloses a sterile box, in particular to a central venous catheter three-way sterile box. The packaging box comprises an outer box assembly, an inner box assembly, a box cover assembly and an ultraviolet lamp assembly, the outer box assembly comprises an outer box body and an outer cavity. The inner box assembly comprises an inner box body and an inner cavity, the inner box body is fixedly installed in the center of the outer cavity, an opening of the inner box body faces the inner end round face of the outer cavity, vein tube holes and infusion tube holes matched in size are formed in the corresponding positions of the outer wall faces of the outer box body and the inner box body, an ultraviolet lamp assembly is fixedly installed in the inner cavity, and the box cover assembly tightly covers the outer box body; by arranging the ultraviolet lamp assembly for disinfection, filling the space ...

Online real-time X-ray detection system for welded tubes

The invention relates to an online real-time X-ray detection system for welded tubes. The system is characterized by comprising a support, a base, an X-ray unit, a clamping device, an imaging device and a drive device; the base is slidably disposed on the support; the X-ray unit is disposed on the base; the clamping device is used for clamping a welded tube; the drive device drives the base to return. The system has the advantages that the X-ray unit and the imaging device are enabled to move with the welded tube, the welded tube is detected and photographed in the relative fixed state, imaging quality is good, 100% online detection of the length is achieved for the welded tube, the requirement for the lossless detection standard of the welded tube is fully met and the system is simple in structure and convenient to operate.

Coating wastewater and spraying wastewater treatment process

The invention provides a coating wastewater and spraying wastewater treatment process. The process comprises the following steps: homogenizing: stirring and homogenizing to-be-treated wastewater to ensure that the properties of the wastewater are uniform; coagulation: firstly adjusting the pH value of the wastewater, and then adding a coagulant and a coagulant aid; carrying out filter pressing: firstly carrying out filter pressing to obtain sludge and filter pressing effluent, carrying out aeration pre-oxidation on the filter pressing effluent, filtering the pre-oxidized effluent, and then collecting the filtered effluent into a filter pressing effluent tank; carrying out multi-element electrocatalytic oxidation; and carrying out multi-stage biochemical treatment, namely pumping the effluent obtained in the previous step into an anoxic tank, an aerobic tank, an MBR (Membrane Bioreactor) tank and a denitrification filter tank for treatment in sequence, detecting the COD (Chemical Oxygen ...

Middle-upper thoracic vertebrae half pedicle fixing instrument

The invention discloses fixing devices applied to the field of bone fracture treatment and particularly relates to a fixator applicable to middle-upper thoracic vertebrae half pedicles. According to the fixator, a threaded lock piece, a connecting rod, a spring cushion with threads, a spring seat with threads, a hexagon nut and an elastic ball-shaped screw compose a self-locking module; the spring cushion with the threads and the spring seat with threads compose a self-locking device; the horizontal end of the elastic self-locking spring seat with the threads is connected with a connecting rod, and the vertical end of the elastic self-locking spring seat with the threads is connected with the elastic ball-shaped screw; by screwing up the hexagonal nut, the spring cushion with the threads can be engaged with the toothed part of the elastic spring seat with the threads so that the elastic ball-shaped screw can be locked; meanwhile, the ball-shaped screw can change the applied angle as required ...

Multifreedom stereo vision device having laser

A multi-freedom stereo visual device with laser for robot is composed of output axle, camera connected to said output axle, free movnig unit, motor, the drive axles and casing for swinging freedom, elevation freedom and rotation freedom, laser device, and the regulators for camera and laser devices.