207 results about "Third rail" patented technology

The invention provides a multifunctional track detection system. The multifunctional track detection system comprises a laser scanning receiving module, an inertia acquisition module, a vision acquisition module and a control module, the laser scanning receiving module comprises a CCD camera and a linear structure light laser, structure light emitted by the linear structure light laser is projected to the surface of the track, and the CCD camera collects a laser irradiation image of the surface of the track; the laser scanning receiving system is used for detecting static parameters and abrasion of a third rail and a steel rail; the inertia acquisition module is used for detecting the irregularity of the steel rail; the visual acquisition module comprises a visible light camera, a light source and a light source irradiation track, and the visible light camera is used for acquiring visible light irradiation images on the track surface; the visual acquisition module is used for track surface defect detection; and the control module is used for receiving the image information and carrying out data processing to obtain a comprehensive detection result. The beneficial effects of the system are that the system achieves the simultaneous detection of all tracks through non-contact detection, obtains the comprehensive track detection data, and improves the detection efficiency.

A slide rail assembly includes a first rail, a second rail, a third rail, and a switching member. The second rail can be displaced with respect to the first rail and is provided with a working feature. The third rail can be displaced with respect to the second rail. The switching member is disposed on the third rail and is configured to contact the working feature when the third rail reaches a predetermined retracted position after being displaced from an extended position in a retracting direction, in order for the third rail to displace the second rail to a predetermined position in the retracting direction via the switching member.

The invention discloses a ring cutting device for cable processing. The device comprises a bottom plate, wherein a first wire passing barrel, a second wire passing barrel and a third wire passing barrel are vertically arranged above the bottom plate, the second wire passing barrel and the third wire passing barrel are arranged on two sides of the first wire passing barrel respectively, a rotatingbase and a fixed base are arranged between the bottoms of the first wire passing barrel and the second wire passing barrel and between bottom plates of the first wire passing barrel and the second wire passing barrel respectively, and a sliding base is fixedly connected with a top side of the bottom plate, a sliding groove is formed on the top side of the sliding base, a sliding plate is slidablyconnected into the sliding groove, a second fixing base is arranged between the top side of the sliding plate and the third wire passing barrel, a first spring set is arranged between the side, away from the first wire passing barrel, of the sliding plate and an inner wall of the sliding groove, and a first rail cylinder, a second rail cylinder and a third rail cylinder are arranged on outer sidesof the first wire passing cylinder, the second wire passing cylinder and the third wire passing cylinder in a sleeving mode correspondingly. The device is advantaged in that the cutting effect is guaranteed, manpower is saved, production efficiency is improved, and use requirements of people in production and life are met.

The invention discloses a locomotive auxiliary power supply circuit and a power supply method, the auxiliary power supply circuit comprises a current collector I, a current collector II and an auxiliary inverter I, the current collector I and the current collector II are connected with the input side of the auxiliary inverter I, and auxiliary loads of a locomotive comprise a first auxiliary load and a second auxiliary load; the second auxiliary load is connected with the output side of the auxiliary inverter I; the auxiliary power supply circuit further comprises a charger, a standby power supply, an auxiliary inverter II and a network control unit, the input end of the charger is connected with the auxiliary inverter I, the input end of the standby power supply and the input end of the auxiliary inverter II are electrically connected with the output end of the charger, and the output end of the auxiliary inverter II is electrically connected with the first auxiliary load. Uninterrupted power supply of important auxiliary loads such as an air conditioner can be achieved, the important auxiliary loads such as the air conditioner continuously work without power failure when the locomotive passes through a power-free area on a third rail, the use failure rate of the important auxiliary loads such as the air conditioner is reduced, the comfort degree of drivers and passengers is improved, and driving safety is guaranteed.

The invention discloses a locomotive primary disassembling process line. The locomotive primary disassembling process line comprises a primary disassembling area used for disassembling and separatinga vehicle body and a bogie, a first trench arranged in the primary disassembling area, a secondary disassembling area used for disassembling the bogie, a second trench arranged in the secondary disassembling area, a first rail penetrating through the first trench and the second trench, a crown block arranged above the first rail, a second rail arranged in parallel with the first rail and a transfer device used for connecting the first rail with the second rail; and the transfer device comprises a first turntable arranged at the end part of the first rail, a second turntable arranged at the endpart of the second rail and a third rail arranged between the first turntable and the second turntable. Through a reasonable production line layout, bottleneck procedures of locomotive maintenance are eliminated, and the maintenance productivity of the locomotive is improved; and the operation environment is improved, so that the locomotive disassembling process can carry out assembly line production, the logistics route is smooth, and the field can be reasonably and effectively controlled.

The invention relates to a simple current collector return device which is mainly used for quickly assisting a current collector to conduct operation of getting rid of a third rail when a subway vehicle needs power-off and shoe taking off. The return device (203) comprises a rollback control rod (301), a rolling device (303), a rollback pressing plate (304), a connecting pin shaft (305) and a torsion spring (306); the rollback control rod (301) and the rollback pressing plate (304) are connected through the connecting pin shaft (305); the rolling device (303) is connected with the rollback control rod (301); the torsion spring (306) is mounted on the connecting part of the rollback control rod (301) and the rollback pressing plate (304); and the rolling device (303) on the rollback control rod (301) and a driven pushing rod (201) of the current collector conduct rolling and friction motion. The return device can be widely applied to in the shoe taking off operation of the third rail current collector.

The invention provides a novel foldable aerial working truck platform and aerial working device, and relates to the technical field of special vehicle equipment. The invention aims to reduce space occupation of the working platform of an aerial working truck during a storage and transportation process to a certain degree, and improve universality of the working platform. The novel foldable aerialworking truck platform provided by the invention comprises a first platform body and an enclosing mechanism; the first platform body is horizontally arranged, and the enclosing mechanism is arranged along the periphery of the first platform body, and forms a bearing space with the enclosing mechanism; the enclosing mechanism comprises a first rail, a second rail, a third rail and a fourth rail which are separately rotatably connected to the first platform body; and the first rai, the second rail, the third rail and the fourth rail can all fold toward the direction of the axis of the first platform body.

An electric heater includes a substrate and an inner plane heating element formed on one surface of the substrate. The inner plane heating element includes an inner pattern portion connecting a start point with an end point. The inner pattern portion includes a first track, a second track located outside the first track and spaced part from the first track, a first bridge connecting the first track with one end of the second track, a third track located outside the second track and spaced apart from the second track, and a second bridge connecting the other end of the second track with the third track. A first gap G1 between the first and second tracks is shorter than a second gap G2 between the second and third tracks along a virtual line crossing the first, second and third tracks and closer to the first bridge than the second bridge.

The invention provides an outer cover and an opening mechanism thereof, which adopts an alternating mode of a virtual rotating shaft and a solid rotating shaft to realize rotation, solves the interference problem in the opening process, and improves the opening flexibility of the outer cover. The outer cover includes a cover body and a cover door which opens and closes the cover body, The openingmechanism comprises a guide rail arranged on the cover body and a connecting member connected with the cover door, wherein the guide rail comprises a first rail and a second rail which are arranged ina first rotational track and spaced apart from each other, and a third rail which is connected to an end of the first rail and is arranged in a second rotational track; The connecting member is provided with a first rotating shaft cooperating with the first rail and the third rail, and a second rotating shaft cooperating with the second rail, the second rotating shaft being limited when moving tothe end along the second rail to serve as a rotating shaft of the second rotating track, and the connecting member guiding the cover door to rotate around the rotating shaft of the first rotating track and the second rotating track in turn to open the cover door.

The invention discloses a corner aluminum alloy formwork. The corner aluminum alloy formwork comprises a formwork body. The formwork body comprises a first formwork body, a second formwork body, a third formwork body and a fourth formwork body. The lower end of the first formwork body is connected with a fixing rod. A first groove is formed in the middle of the upper end of the first formwork body. A first concave cavity is formed in the upper end of the first formwork body and connected with a fixing block through a spring. A first protruding block is installed in the middle of the right endof the second formwork body. A second concave cavity is formed in the right end of the second formwork body and comprises a first rail and a second groove. The first rail is connected with the secondgroove. The lower portion of the third formwork body is connected with a sliding rod through a second rail. The sliding rod is connected with a second protruding block through a third rail. Second through holes are formed in two sides of the sliding rod. A fourth rail is arranged on the lower portion of the fourth formwork body. The corner aluminum alloy formwork is convenient and fast to disassemble, high in use strength, convenient to clean and high in use frequency.

A slide rail assembly includes a first rail, a second rail, a third rail, a locking member, and an operating member. The second rail is displaceable with respect to the first rail from a first position to a second position. The third rail is displaceable with respect to the second rail. The locking member can prevent the second rail from displacement with respect to the first rail from the second position toward the first position when in a first state. The operating member can be operated in order to switch the locking member from the first state to a second state, in which the second rail is displaceable with respect to the first rail from the second position toward the first position.

A system for remotely controlling third rail ribbon heaters is provided for preventing the accumulation of ice and snow on the rails. The system includes a plurality of switching assemblies that control a flow of electric current from the third rail of a railway to ribbon heaters mounted on the third rail. A remotely located digital controller provides switching commands to the switching assemblies via a radio link. The switching assemblies include current and voltage sensors that continuously provide current and voltage information that allows the digital controller to accurately predict when a heater failure condition is likely to occur so that ribbon heaters may be preemptively and safely replaced before failure. Each of the switching assemblies is contained in a junction box that includes both a door panel and a safety switch that disconnects the switching assembly from third rail current when the door panel is opened for improved safety.

The invention relates to the field of locking devices of connectors, in particular to a step-by-step locking device for a plug of a novel electric car connector. The step-by-step locking device comprises a plug component, a socket component and a handle component, wherein a first guide post of the plug, a second guide post of the pug and a socket guide post respectively slide to the head ends of a first track, a second track and a third track in a locking state; the first guide post of the plug, the second guide post of the plug and the socket guide post respectively slide to the tail ends of the first track, the second track and the third track in an unlocking state; and when the locking state is converted into the unlocking state, particularly, the second guide post of the plug slides to the middle part from the head end of the second track, the second guide post of the plug is blocked at the upper end of an offset sub-rail, and the handle component exerts up-inclined external force, so that the second guide post of the plug moves to the lower end of the offset sub-rail, and further slides to the tail end. The step-by-step locking device has the beneficial effect that a user does not need to directly contact an outer cover of the connector when locking or unlocking the outer cover, so that the electric potential safety hazard when an electric car is charged is removed.

The invention relates to fabricated building component hoisting comprehensive equipment and a construction method thereof. The problems that in the fabricated building construction process, the construction efficiency is low, and the in-place difficulty is large are effectively solved. According to the technical scheme, the equipment comprises a special hoisting platform with a steel structure, the special hoisting platform comprises a a first track layer, a second track layer and a third track layer which are arranged from bottom to top, a horizontal prefabricated part hoisting device is arranged on the first track layer and used for hoisting horizontal prefabricated floors, balconies, air conditioner plates and the like, a vertical prefabricated part temporary positioning support systemis arranged on the second track layer and used for temporarily clamping a vertical prefabricated part and temporarily positioning and adjusting the vertical prefabricated part, and a vertical prefabricated part and stair hoisting device is arranged on the third track layer and used for hoisting vertical prefabricated parts such as wallboards and bay windows and stairs. According to the equipment,the hoisting, mounting and positioning of the vertical components are accurate, and the working efficiency and safety are greatly improved.

The invention discloses an automatic production line for press-forming sintering preparation furnace of cemented carbide. Double-layer conveying lines are arranged between presses, a first rail robotand a third rail robot to form a boat logistics channel, and automatic feeding of an empty boat is achieved through the third rail robot; and a boat grabbing device on a lower-layer belt conveying line is used for realizing the automatic boat collecting operation of the press machine, and then the boat grabbing device on an upper-layer belt conveying line is used for realizing the automatic boat delivery operation of the press machine. When the full boat is conveyed to the sorting point of the first rail robot through the upper-layer belt conveying line, the first rail robot is utilized to realize automatic discharging of the full boat, then a second rail robot is used for realizing automatic group tray operation, and finally, an AGV trolley carries a group tray operation table to be in butt joint with a preparation furnace buffer table, so that automatic furnace preparation work is realized. The whole press-forming sintering preparation furnace does not need manual participation, theautomation degree is high, and production efficiency and enterprise productivity are greatly improved.

The invention discloses a third rail independent grounding system applicable to a high-speed train. The system comprises a working grounding system and a protection grounding system; the working grounding system comprises a grounding third rail, the grounding third rail is parallel to two steel rails and is arranged on the outer sides of the two steel rails, a train pantograph sequentially passesthrough a vacuum circuit breaker, the primary side of a vehicle-mounted transformer and the primary side of a main transformer and then is in rolling connection with the grounding third rail through afirst roller grounding carbon brush, so that working current flows back to a traction substation through the grounding third rail; and the protection grounding system comprises a second roller grounding carbon brush, and a train bogie and a train body are connected with the steel rails in a rolling mode through the second roller grounding carbon brush and wheels, so that leakage current flows back to the traction substation through the steel rails. The rail circulation phenomenon of a motor train unit can be effectively improved, the vehicle-mounted weak current equipment is prevented from being damaged by lifting the voltage of the train body due to the rail circulation, the counterattack on the weak current equipment by overvoltage generated by lightning stroke impact and bow lifting surge is prevented, and the safety and reliability of the operation of the motor train unit are improved.

The invention relates to the field of urban rail transit, in particular to a third rail abrasion detection device and method. The device comprises a train body, a support and a non-contact detection device. A first moving part and a second moving part opposite to each other are included; the train body can cross two walking rails and the first and second moving parts abut against the two walking rails respectively; the support is connected to the train body to form a cantilever structure; and the non-contact detection device is installed on the support. The third rail abrasion detection devicecan move along the two walking rails, in the movement process, the non-contact detection device scans a third rail to realize continuous measurement, contour information, scanned by the non-contact detection device, of the worn third rail is compared with standard third-rail contour information for calculation to obtain the abrasion quantity of the third rail.

The invention relates to the field of locking devices of connectors, in particular to a step-by-step locking device for a plug of a novel electric car connector. The step-by-step locking device comprises a plug component, a socket component and a handle component, wherein a first guide post of the plug, a second guide post of the pug and a socket guide post respectively slide to the head ends of a first track, a second track and a third track in a locking state; the first guide post of the plug, the second guide post of the plug and the socket guide post respectively slide to the tail ends of the first track, the second track and the third track in an unlocking state; and when the locking state is converted into the unlocking state, particularly, the second guide post of the plug slides to the middle part from the head end of the second track, the second guide post of the plug is blocked at the upper end of an offset sub-rail, and the handle component exerts up-inclined external force, so that the second guide post of the plug moves to the lower end of the offset sub-rail, and further slides to the tail end. The step-by-step locking device has the beneficial effect that a user does not need to directly contact an outer cover of the connector when locking or unlocking the outer cover, so that the electric potential safety hazard when an electric car is charged is removed.

The embodiment of the invention discloses a track planning method and device, equipment and a storage medium. The track planning method comprises the following steps of judging whether a next track tobe planned connected with a current track to be planned exits or not; if yes, determining a transition area between the next track to be planned and the current track to be planned; planning out multiple second track points of the current track to be planned in the transition area and multiple third track points of the next track to be planned in the transition area; and adopting the second trackpoints and the third track points to determine multiple third track points of the transition area as track points for transition of the current track to be planned to the next track to be planned. The track points of the current track to be planned in the transition area and the track points of the next track to be planned in the transition area are adopted to determine final track points of thetransition area, the current track to be planned can be smoothly in transition to the next track to be planned, speed reducer vibration and wear problems caused by unsmooth track transition can be avoided, and vibration to a robot and wear to a speed reducer can be greatly reduced.

A slide rail assembly includes a first rail, a second rail, a third rail, a synchronization device and a contact feature. The second rail is displaceable relative to the first rail. The third rail is displaceable relative to the second rail. The synchronization device is arranged on one of the second rail and the third rail. The contact feature is arranged on the other of the second rail and the third rail. The third rail and the second rail can synchronously displace relative to the first rail through the collaboration between the synchronization device and the contact feature.

The invention discloses a floor tile cutting device and cutting method, and belongs to the technical field of floor tile cutting. The floor tile cutting device comprises a supporting seat, a cutting mechanism and an adjusting mechanism; the supporting seat comprises a base, a right support and a left support, the right support and the left support are connected to the two opposite ends of the base, and the cutting mechanism is located between the right support and the left support; the adjusting mechanism comprises a second rail and a third rail, one end of the third rail is hinged to the right support, the other end of the third rail can rotate around the hinged point, and the cutting mechanism is slidably connected to the third rail; and the second rail is used for fixing the movable endof the third rail, the second rail can move in a space between the right support and the left support. According to the floor tile cutting device and cutting method, a floor tile only needs to be positioned once, on the premise of not changing the placing position of the floor tile, oblique cutting at any angle can be carried out on the floor tile for multiple times, the cutting precision is high, use is easy and convenient, popularization is facilitated, the cutting efficiency is also improved, and the floor tile cutting device has the advantages of being simple in structure, reasonable in design and easy to manufacture.

The invention relates to a distributed conveying system for cut steel rings for cement buildings. The distributed conveying system for the cut steel rings for the cement buildings comprises a first track, a second track, a third track and a flexible guide assembly. The second track is arranged at one end of the first track and communicates with the first track, the width of the second track is smaller than that of the first track, the third track is arranged on the second track in parallel, a guide track is arranged at the end of the third track, the guide track extends in a downward incliningmode and is connected to the end of the first track, and an extending groove is formed in the center of the end of the guide track in a cut-through mode. The distributed conveying system for the cutsteel rings for the cement buildings can easily distribute cut steel rings of two dimensions.

The invention belongs to the technical field of distributing devices, and particularly relates to a bulk distributing system of a storage yard. The system comprises a main conveyor, a discharging car,a crane belt conveyor, a moving discharging device and an electric control system. The main conveyor is longitudinally arranged along the storage yard, the crane belt conveyor is transversely arranged along the storage yard, bulk sequentially passes through the main conveyor, the discharging car, the crane belt conveyor and the moving discharging device and is conveyed into the storage yard, a first rail is arranged on a truss of the main conveyor, the discharging car walks on the first rail, second rails used for walking of the crane belt conveyor are arranged on the two sides of the storageyard, a third rail is arranged on a truss of the crane belt conveyor, and the moving discharging device walks on the third rail. Driving devices of the main conveyor, the discharging car, the crane belt conveyor and the moving discharging device are connected with the electric control system. Compared with the prior art, the system is simple in structure, affordable, high in automation degree andreliability and capable of improving the storage yard use rate.

The invention relates to the technical field of bridge engineering detection, and particularly discloses a mobile bridge deflection detector. The detector comprises a first track and a first detectionvehicle which are arranged on a pier, a second track and a second detection vehicle which are arranged on a footpath of a bridge deck, and a third track arranged on the lower end face of the bridge deck. The first track is in the height direction of a pier, the second track is in the width direction of a footpath, and the third track is in the width direction of a bridge floor. The first detection vehicle can climb upwards along the first track, and a datum plate is horizontally arranged on the first detection vehicle; the second detection vehicle can move along the second track; the second detection vehicle is provided with an extension frame bent downwards, the lower end of the extension frame is provided with a horizontal frame, the horizontal frame is provided with a third detection vehicle, the third detection vehicle can move along a third track, the bottom of the third detection vehicle is provided with a detection table, the bottom of the detection table is provided with a detector, and the detector can make contact with the upper end face of the reference plate. The invention aims to solve the problem of inaccurate detection results.

The invention discloses a double-rail welding system which comprises a first rail, a second rail, a third rail and a fourth rail. The second rail is detachably mounted on the second side of the welding seam of the workpiece; the first track and the second track are both installed on the fixing support, and the fixing support can drive the first track and the second track to move; the first track and the second track are each provided with at least one welding trolley. The image acquisition component is used for acquiring an image of the to-be-welded part; the welding seam scanning device is used for obtaining welding seam morphology; and a control system. According to the double-rail welding system, the welding efficiency can be effectively improved, automatic identification, automatic planning and automatic welding of the welding seams are achieved, the automation degree is improved, the labor intensity is effectively reduced, and the welding precision is improved.

A probing apparatus includes a chuck supporting a DUT, and a platform with an opening above the chuck. The probing apparatus further includes first and second rails positioned at first and second sides of the platform, respectively. The probing apparatus further includes a probing device, the probing device includes a probing module slidably along the first and second rails, and a first motor system configured to automatically align a probe card with the DUT. The probing module includes a third rail with two ends slidably attached to the first and second rails, respectively, a probing stage slidably attached to the third rail, and the probe card attached to the probing stage. The first motor system includes a first motor configured to control movement of the probing stage along the third rail, and a second motor configured to control movement of the probing module along the first and second rails.

A slide rail mechanism includes a first slide rail assembly, a second slide rail assembly and a supporting assembly. Each of the slide rail assemblies includes a first rail, a second rail and a third rail movably mounted between the first rail and the second rail. The second rail is longitudinally movable relative to the first rail. The second rail of the first slide rail assembly and the second rail of the second slide rail assembly are respectively arranged with a first mounting device and a second mounting device. The supporting assembly includes a supporting member, and a first connecting device and a second connecting device arranged on the supporting member. The first connecting device and the second connecting device are respectively connected to the first mounting device and the second mounting device.