Wagon bogie and sleeper beam thereof

The invention discloses a wagon bogie and a sleeper beam thereof. The sleeper beam comprises a beam body. The two ends of the beam body are provided with protruding portions respectively, wherein the protruding portions are symmetrical about a transverse center line. The protruding portions are provided with installation holes connected with a wagon body and anti-snaking damper bases are arranged on the two protruding portions located on one side of the transverse center line. The two ends of the beam body are further provided with secondary spring bases symmetrical about a lengthwise center line. Wing plates symmetrical about the transverse center line are arranged in the middle of the beam body and installation holes for installing traction pins are formed in the wing plates. The sleeper beam structure can be connected with a traction system of the bogie, anti-snaking dampers of the bogie and secondary springs of the bogie, connection between the sleeper beam and the wagon body is easy ...

Wagon bogie framework and longitudinal beam thereof

The invention provides a wagon bogie framework and a longitudinal beam thereof in order to omit a transverse stopping base and realize direct connection with a transverse stopping piece. The longitudinal beam comprises an upper cover plate, a lower cover plate and a web connected between the upper cover plate and the lower cover plate. The web is arranged on the inner side of the upper cover plate and the inner side of the lower cover plate. The middle of the web is provided with a wing plate arranged in an upward protruding mode, and the wing plate and the other parts of the web can form a base plate used for connecting the transverse stopping piece. The wing plate is combined with the other parts of the web plate to form the base plate, so that the transverse stopping piece can be directly connected to the web and the transverse stopping base does not need to be welded onto the web, therefore, the transverse space is saved and the longitudinal beam can adapt to frameworks with smaller ...

High speed railway wagon bogie

The invention discloses a high speed railway wagon bogie which comprises a frame and a wheel set guide hanging device which is arranged below the fame. The wheel set guide hanging device comprises an axle assembly and a rotating arm assembly, the first end of the rotating arm assembly is arranged on a carriage axle of the axle assembly in a sleeved mode, the second end of the rotating arm assembly is connected with the frame, a primary spring is arranged between the first end and a side beam of the frame, and the primary spring comprises an outer ring spring and an inner ring spring which are embedded with each other. An ejection spring is further included and is arranged between the inner ring spring and the side beam, and the ejection spring has precompression amount in the process of empty dispatch. Thus, when a high speed railway wagon is in the working condition of empty dispatch, due to the fact that the ejection spring is arranged between the inner ring spring and the side beam of ...

Heat transfer device of heat-pipe solar heat collector

The invention discloses a heat transfer device of a heat-pipe solar heat collector. The heat transfer device is characterized in that: a branch heat pipe part of which the lower end is enclosed and the upper end is open is arranged in a vacuum glass pipe; the upper end of a branch heat pipe is connected with a through hole on an outer casing; the axis of the branch heat pipe is vertical to that of the outer casing; an inner pipe of which the two ends extend out of the outer casing are arranged in the outer casing; the two ends of the outer casing are fixed on the inner pipe; a jacket between the outer casing and the inner pipe and the branch heat pipe form a sealed cavity; the sealed cavity is vacuumized and filled with a heat transfer working medium; the vacuum glass tube, a heat pipe and the inner pipe form a heat transfer unit; and a pipe rack formed by the heat transfer unit is the heat transfer device of the heat-pipe solar heat collector. The heat transfer device has a novel structure ...

Sleeper beam assembling equipment

The invention provides sleeper beam assembling equipment which comprises a first assembling device, a second assembling device, a third assembling device and a fourth assembling device, the first assembling device comprises a first positioning table, a plurality of pairs of first supporting pieces, a plurality of pairs of web clamping devices and a partition plate clamping device, and the multiple first supporting pieces, the multiple web clamping devices and the partition plate clamping device are all arranged on the first positioning table; the partition plate clamping device is located between the multiple pairs of first supporting pieces. The second assembling device and the first assembling device are arranged in a spaced mode, and the second assembling device comprises a second positioning table, a plurality of pairs of second supporting pieces, a plurality of pairs of end face pressing devices, a plurality of pairs of top face pressing devices and a plurality of pairs of bottom plate ...

Wireless network fireman positioning monitoring system and data transmission method on basis of thin access point (AP) framework

The invention relates to a wireless network fireman positioning monitoring system and a data transmission method on basis of a thin access point (AP) framework. The system comprises a plurality of wireless access controllers (ACs), a plurality of power over ethernet (POE) exchangers, a plurality of wireless access points (APs), a plurality of wireless access terminals (ATs), a plurality of positioning client sides and one positioning server; real-time connection between wireless access controller uplink and the plurality of wireless access points is established; real-time connection between wireless access controller downlink and the positioning server is established, and access information of the wireless ATs on the wireless controllers can be uploaded to the positioning server at fixed time. Real-time connection between positioning server uplink and the wireless ACs is established, and real-time connection between the positioning server downlink and the positioning client sides is established ...

Method for cleaning casting defect of plasma arc air gouging

The invention discloses a casting drawback processing method using plasma arc air gouging. The quality of gouging surface is sufficiently guaranteed and the productivity is improved, at the same time, the welding repair quality of the casting drawback is efficiently guaranteed. During the casting drawback processing method using plasma arc air gouging, the casting is connected with the anode of power; the electrode of the plasma arc air gouging gun is connected with the cathode of power; the casting drawback is cleaned with the plasma arc air gouging. The electric arc temperature is about 23000 to 31000 centigrade produced by the plasma arc air gouging gun. The invention is very suitable for the casting drawback cleaning of steel casting part of E level before welding.

Valve with replaceable valve seat

The invention discloses a valve with a replaceable valve seat, and belongs to a pipeline connecting device, particularly the valve with the replaceable valve seat. The valve comprises a valve body and the valve seat, wherein an inner annular surface of the valve body is provided with an annular groove with a rectangular section area; an outer cylindrical surface of the valve seat is provided with two annular grooves with rectangular section areas; one of the annular grooves corresponds to the annular groove formed in the inner annular surface to form an annular slotted hole with a square section area; the annular slotted hole is provided with one through hole which extends to the outer surface of the valve body; a limiting device for limiting the radial displacement of the valve seat along the central line of a pipeline is arranged in the through hole and the annular slotted hole communicated with the through hole. According to the valve, the valve seat structure is replaceable, reliable ...

Wagon bogie and framework thereof

The invention provides a wagon bogie and a framework thereof. The welding fatigue reliability is high, the structure is stable and the running performance of vehicles can be improved. The wagon bogie comprises two side beams extending in the lengthwise direction and a cross beam connected between the two side beams, the inner side of the middle of each side beam sinks inwards transversely to form a wing plate and the inner end of each wing plate is provided with a cross beam installation base used for installing the cross beam. According to the wagon bogie, the side beams sink inwards to form the wing plates, then the cross beam installation bases are arranged on the wing plates, therefore, the cross beam can be installed on the cross beam installation bases and cannot be connected with the main parts of the side beams, acting force exerted by the cross beam is directly applied to the positions where the cross beam is connected with the wing plates, the structural strength of the root portions ...

Intelligent networking management platform for fire emergency communication

The invention discloses an intelligent networking management platform for fire emergency communication, which relates to the technical field of fire wired and wireless voice communication. The intelligent networking management platform comprises a wireless channel access controller, a wireless user access controller, a serial port communication server, a voice switching server and a control management server, wherein the front end of the wireless channel access controller is connected with a various wireless channel machines or terminals, and the backend of the wireless channel access controller is in tandem with the serial port communication server and the voice switching server by a standard RS232 interface and a three-wire system audio interface to realize the wireless voice communication network access and control of a system. The intelligent networking management platform for the fire emergency communication configures parameters by manual operations or a reading plan in on fire-fighting ...

Alterant containing aluminum-magnesium alloy rare-earth phase, its production and use

In-building person positioning system and positioning method thereof based on inertial sensor

The invention discloses an in-building person positioning system and a positioning method thereof based on an inertial sensor. The system comprises a gesture position sensor and an embedded arithmetic processor, wherein the gesture position sensor is placed at an external side of a shank near an ankle joint, and is used for acquiring ankle joint motion inertial data and a three-dimensional electromagnetic compass signal; the embedded arithmetic processor is used for processing data of the gesture position sensor, calculating motion state, motion distance and motion direction and outputting the positioning result; and the embedded arithmetic processor is connected with the gesture position sensor through a USB or a RS-232 interface. With the in-building person positioning system and the positioning method thereof based on the inertial sensor, positioning sensors are not needed to be mounted in the buildings in advance, and the system for positioning the person in the building can be implemented ...

Intelligent evacuation indicating system with positioning function and evacuation method

The invention relates to an intelligent evacuation indicating system with the positioning function and an evacuation method. The system is composed of an escape RFID tag, positioning evacuation indicating nodes, an information processing transmission terminal and a monitoring display terminal. An implementing hardware platform is set up for acquiring position information, evacuation indicating node information and the like of trapped persons in the escaping process, a monitoring center can know the position information of trapped persons in a building in the escaping process in real time, the display direction of the evacuation indicating nodes can be comprehensively controlled according to the positions of persons, the fire source position and the like, the persons can be distributed and evacuated in assembly occupancies, and meanwhile, decision supporting is provided for rescue activities. The system integrates the evacuation indication function and the positioning function, and project ...

Traditional Chinese medicine pill for treating mazopathy

Disclosed is a Chinese medicinal pill for treating mastosis, which is prepared from licorice root 12-17g, dandehon herb 50-60g, astragalus root 12-17g, saffron 15-20g, pangolin scales 10-15g, spatholobus stem 12-17g, radix scrophulariae 12-17g and notoginseng 12-15g through steps of grinding into medicinal powder, and mixing 500g of the medicinal powder with 0. 4-0. 6g of bee honey to obtain the pills for oral administration.

Manual temper mill

The utility model discloses a manual temper mill. The leveling device comprises a leveling rack, a leveling table and a limiting plate. The limiting plate is located on the surface of the leveling table. A limiting box is arranged in the middle of the surface of the limiting plate; stabilizing columns are symmetrically arranged on the two sides of the surface of the limiting plate. Fixing columnsare arranged on the surfaces of the stabilizing columns; sliding columns are respectively arranged at two ends of the fixed column; one end of the sliding column is connected with a rotating column; asliding plate is arranged on the surface of the limiting box; second connecting columns are oppositely arranged at two corners of one end of the sliding plate; a stabilizing mechanism is connected tothe surface of one end of the second connecting column, a limiting mechanism is arranged at the bottom of the surface of one end of the second connecting column, first connecting columns are oppositely arranged ...

Sleeper beam assembling and welding production line

The invention provides a sleeper beam assembling and welding production line. The sleeper beam assembling and welding production line comprises a rack; the first rail is located on one side of the material frame; the first carrying robot is movably arranged on the first track; the position correcting device is arranged on the first track and connected with the first transfer robot, the position correcting device comprises a bracket, an inclined plate arranged on the bracket, a first position correcting strip and a second position correcting strip, the first position correcting strip and the second position correcting strip are arranged on the inclined plate, a right angle is formed between the first position correcting strip and the second position correcting strip, and a first opening between the first position correcting strip and the second position correcting strip faces upwards; the assembling equipment is arranged on the side, away from the first track, of the first carrying robot ...

Unit type partition wall assembly system on indoor overhead floor of building

A unit type partition wall assembly system on an indoor overhead building ground of a building comprises an overhead floor structure, a plurality of base structures, a keel structure and a partition wall structure. The base structure comprises two GRC bases, the bottom face of the Halfen groove is fixedly connected with a building floor through anchor bolts, and a T-shaped bolt is arranged in the Halfen groove. The keel structure comprises a keel along the ground and a keel along the top, the keel along the ground comprises a top plate, the two sides of the top plate are connected with first side plates, the outer end of each first side plate is connected with a first supporting part, the outer side of each first supporting part is connected with a first buckle plate part, and the first buckle plate part extends upwards to be provided with a first buckle plate groove; the partition wall structure comprises a first decorative plate and a second decorative plate which are parallel to each ...

Intelligent image identification based remote monitoring transmission system of operating conditions of fire alarm controller

The invention relates to an intelligent image identification based remote monitoring transmission system of the operating conditions of a fire alarm controller, comprising a small-size camera, a light source compensator, an image acquisition module, an embedded type operation processing module and a GPRS (General Packet Radio Service) communication module. The invention solves the problems that the fire alarm controller is difficult to analyze a communication protocol and realize interconnection, intercommunication and centralized remote monitoring, has the advantages of simple structure, easy and convenient operation, stability, reliability and low cost without any changing the installing and using mode of the traditional fire alarm controller or connecting in a wiring way, and does not relate to steal technical secrets of a manufacture factory of the fire alarm controller compared with a protocol identification and analysis method; and in addition, the intelligent image identification ...

Sound insulation flitch for glass

The invention discloses a sound insulation flitch for glass, belongs to the technical field of sound insulation flitches, and aims to solve the problems that a window auxiliary sound insulation measure must meet the requirement of higher surface quality under the limitation of the sound insulation quality law, and the existing sound insulation auxiliary measure cannot effectively improve the sound insulation amount under the condition of lower surface density, and the sound insulation flitch comprises a mass block, a base layer plate and a bonding layer, the sound insulation flitch can be pasted on glass, the base layer plate can be composed of a single-layer plate or a multi-layer plate, and according to the basic principle that boundary additional mass damping can effectively reduce the forced vibration amplitude of the thin plate under the quasi-fixed connection boundary condition, the sound insulation flitch can be obtained through basic theory analysis, finite exhaustion calculation ...

Medicinal wine for treating hemorrhoids

A medicinal wine for treating pile, venereal disease and dermatopathy is prepared from giant typhonium fruit and grain spirit through immersing for 6-8 days and filtering.