2919 results about "Bogie" patented technology

The invention relates to a digital twinning-based bogie numerical control machining error compensation method and system, and the method comprises the steps: constructing an initial digital twinning model comprising material characteristics and geometric constraints through fusing the historical machining data of a bogie and the structural characteristics of a workpiece; according to the real-time cutting force and temperature data dynamic correction model, time-varying stiffness parameters are updated, and a deformation prediction result is generated; identifying an error exceeding area based on the precision requirement of the bearing seat assembly surface; and the feed rate compensation amount is calculated according to the thin-wall area deformation gradient, and a pre-compensation parameter scheme used for adjusting the cutting path is generated. The method overcomes the industrial problems that a traditional compensation technology cannot dynamically suppress instantaneous deformation, multi-source error coupling is difficult to decouple, and parameter adjustment depends on trial cutting verification, and the machining precision and efficiency of the bogie are remarkably improved.

The invention relates to the technical field of train monitoring, and discloses a metro bogie bolt looseness detection method based on multi-dimensional visual combined driving, which comprises the following steps: acquiring bolt two-dimensional image data and bolt three-dimensional image data of a key part of a metro bogie; performing data enhancement on the two-dimensional image data of the bolt, inputting the two-dimensional image data into a BOLT-YOLO bolt detection model to identify key parts of the subway bogie, outputting a bolt image containing the key parts, and numbering each key part; obtaining an independent bolt area image, inputting the image into the Unet semantic segmentation network model to identify two sections of bolt anti-loosening lines, and judging the loosening state through the angle change of the anti-loosening lines and the bolts; if the two-dimensional image information is insufficient, a three-dimensional point cloud model of the bolt is generated, and whether the bolt exceeds an error range or not is judged through accurate registration and datum plane height difference calculation; according to the method, the abnormal state of the train bolt can be detected in real time, the detection precision is improved, and the resource utilization rate is reduced.

One variation of a system includes a modular kit. The modular kit includes: a driven axle configured to install on a bogie chassis supporting a trailer chassis of a trailer; a motor coupled to the driven axle; a battery assembly; a set of electrical cables; and a cable carrier. The battery assembly includes a set of retention features configured to transiently engage a set of engagement features on the trailer chassis to couple the battery assembly to the trailer chassis and is configured to: supply electrical energy to the motor to drive the driven axle; and receive electrical energy from the motor to regeneratively brake the driven axle. The set of electrical cables are configured to electrically couple the motor and the battery assembly. The cable carrier is configured to: locate between the bogie chassis and the battery assembly; and support the set of electrical cables over a range of longitudinal positions.

The invention relates to the technical field of railway vehicles, and provides a wheel set, a bogie and a railway vehicle. The wheel pair comprises a shaft sleeve structure, an axle, a pair of wheels and a connecting structure; the axle is rotationally arranged in the shaft sleeve structure; the pair of wheels is arranged at the two ends of the shaft sleeve structure respectively and rotationally connected with the shaft sleeve structure. The connecting structure is connected with the axle and the wheels and used for achieving synchronous rotation of the axle and the wheels. According to the wheel set, the bogie and the railway vehicle, the wheels are rotationally connected with the shaft sleeves, the axles are rotationally connected with the shaft sleeves, synchronous rotation between the axles and the wheels is achieved through the connecting structures, torque is transmitted between the axles and the wheels, the shaft sleeves bear bending moment, and therefore decoupling of the torque transmission function and the bearing function is achieved; the requirement on the strength of the axle is effectively reduced; in addition, the freedom degree of structural design is improved, and the overall weight is reduced.

The invention relates to the technical field of belt conveyor dynamic characteristic research, in particular to a trailer type belt conveyor dynamic characteristic simulation method, which comprises the following steps: respectively carrying out stress analysis on a trailer frame, each wheel and a conveying belt unit in a trailer unit, and sorting the degree of freedom; establishing an overall coordinate system, a vehicle body coordinate system, a contact coordinate system and a conversion relation; respectively establishing kinetic equations of the wheel pair and the vehicle supporting frame; kinetic parameters of the trailer unit are determined; according to the Hamiltonian principle, a vehicle supporting frame vertical motion equation and a vehicle supporting frame nodding motion equation are established, and then a linear second-order differential equation of a vehicle supporting unit is obtained; and compiling a calculation program by using numerical calculation software, and simulating the wheel-rail vibration characteristics of the trailer unit in the straight-line-segment advancing process. On the basis of the multi-degree-of-freedom multi-body dynamics theory, a trailer type belt conveyor system nonlinear dynamics equation is constructed, and a wheel pair, a trailer frame and a six-degree-of-freedom motion equation for coupling the wheel pair and the trailer frame are analyzed.

The invention relates to the technical field of high-speed train bogie fault detection, and discloses a bogie unknown fault diagnosis method based on a generative model zero sample learning strategy, and the method comprises the steps: carrying out a bogie mechanical fault simulation experiment on an electric locomotive through employing multi-body dynamics analysis software SIMPACK, and collecting normal and fault data; establishing a fault attribute semantic matrix for the train operation influence factors; performing feature extraction according to the data attributes and the fault data; building an unknown fault data feature sample generation model based on a diffusion model, and performing unknown fault data feature generation by using random noise and unknown fault attribute combination; and a fault diagnosis classification model is constructed, and mapping from data features to fault attributes and then to fault categories is realized. According to the method, diagnosis of known faults and unknown faults of the high-speed train bogie is completed, the accuracy and generalization of fault diagnosis are improved, and comprehensive guarantee is provided for safe use of the high-speed train bogie.

A method and system for mounting an axle in a bore of a bogie mounted on a landing gear of an aircraft, the landing gear being in a gear-down position, the bore extending in a substantially horizontal direction referred to as the axle installation direction, between a first open end and a second open end are disclosed. The method includes a) supplying a mobile bearing structure (30) comprising means for moving the axle (12) which are able to move along a direction substantially parallel to the axle installation direction, b) installing the axle (12) on the means for moving the axle, c) aligning the axis (C) of the axle (12) with the axis (B) of the bore (14), and d) inserting the axle (12) into said bore (14) of the bogie (16) by moving the means for moving the axle (12) along the direction substantially parallel to the axle installation direction.

The invention discloses a railway bogie bearing fault diagnosis method and equipment based on a feature extraction network, and relates to the field of intelligent diagnosis and maintenance guarantee of urban rail trains. The method comprises the following steps: data acquisition: acquiring vibration signals of a bogie axle box bearing under the same rotation speed and load combination; performing data preprocessing: performing frequency spectrum adaptive decomposition on each section of signal based on improved empirical wavelet transform, introducing a Fisher score and frequency spectrum entropy joint scoring mechanism, screening out key modal signals, and then performing image mapping to reconstruct a diagnosis sequence; model construction: introducing a topology perception attention mechanism module on the basis of the lightweight convolutional neural network, and constructing a fault diagnosis model; model training: training the fault diagnosis model to obtain an optimized fault diagnosis model; and diagnosis result output: using the optimized fault diagnosis model to diagnose the fault signal of the bogie axle box bearing, and outputting the diagnosis result. The method can improve the accuracy of fault diagnosis.

The present disclosure relates to a maglev bogie, in particular to a maglev bogie with a centering function and a guiding method thereof. The maglev bogie comprises a maglev guide frame, crank arm brackets, guide wheels, first onboard magnet groups and cylindrical gears, wherein the crank arm brackets are hinged to the four corners of the top and bottom of the maglev bogie, the guide wheels are rotatably connected to the ends of the crank arm brackets, two first onboard magnet groups are slidably connected to each of the two inner sides of the upper part of the maglev guide frame, some of the cylindrical gears are connected to the top of the maglev guide frame where the upper crank arm brackets are hinged, two of the cylindrical gears are rotatably connected to each of the two sides of the top of the maglev guide frame, and every two adjacent cylindrical gears are meshed with each other. With the arrangement of the crank arm brackets, the guide wheels and the cylindrical gears, when the guide wheels on one side is squeezed by overhead track beam and displaced, the guide wheels on the other side can be synchronously driven to displace, so as to ensure a centered state of the maglev guide frame, the first onboard magnet groups, the overhead track beam and beam-borne magnetic track.

The invention relates to the technical field of railway vehicles, and provides a shaft sleeve structure, a wheel set, a bogie and a railway vehicle. The shaft sleeve structure comprises a first shaft sleeve and a second shaft sleeve; the first shaft sleeve and the second shaft sleeve are coaxial, are arranged on the two sides of the gearbox respectively and are suitable for being fixedly connected with the gearbox respectively. The first shaft sleeve and the second shaft sleeve are respectively provided with an axial shaft penetrating hole, and the shaft penetrating holes are suitable for penetrating an axle coaxially fixed with a wheel; the first shaft sleeve comprises a first pipe body close to the gear box and a second pipe body far away from the gear box, the second shaft sleeve comprises a second pipe body, the first pipe body is of a sleeve structure with a round inner side and a square outer side, and the second pipe body is of a round sleeve structure and is suitable for being rotationally connected to the inner side of a wheel. The axle can only transmit torque, the first shaft sleeve and the second shaft sleeve play a bearing role, the torque transmission function and the bearing function are decoupled, good bending resistance is achieved, and the safety coefficient is effectively improved.

A park ride for use in theme parks, amusement parks, and other settings. The new ride includes a track defining a ride path for a passenger vehicle (or multiple vehicles that may be linked in a train). The vehicle is configured, such as with a bogie assembly with two to four or more wheels, to roll upon and engage the track. The ride includes a drop swing propulsion system that is adapted to drop a section of track upon which the passenger vehicle is supported from a first elevation to a second elevation that is lower than the first elevation. The dropping motion involves swinging the track with a linkage assembly, which with other components of the system may form a four-bar linkage, so as to impart a propelling force on the vehicle to move it along an exit track section provided at the second, lower elevation.

The utility model relates to the field of railway vehicles, and provides a suspension vehicle. The suspension vehicle comprises a bogie, the bogie comprises a framework, the framework comprises a walking part mounting frame and a pair of cantilever beams, the walking part mounting frame is used for mounting walking wheels, each cantilever beam comprises a connecting end and an extending end, the connecting ends are mounted on the walking part mounting frame, the extending ends are used for mounting equipment components, and the pair of cantilever beams are symmetrically arranged relative to the walking part mounting frame; the vehicle body is suitable for being installed on the walking part installation frame through a pin shaft. According to the suspension vehicle, the framework is arranged in the form of the walking part mounting frame and the pair of cantilever beams, and the pair of cantilever beams are arranged in the form of being symmetrical relative to the walking part mounting frame, so that the occupied space of the framework can be reduced, and the space requirement of a track beam of the suspension vehicle is met. By arranging the vehicle body and the walking part mounting frame in a pin shaft hinging mode, the problem that bolt connection fails due to the fact that bolt connection is adopted in the related technology can be solved, and the vehicle body hanging safety is improved.

The invention relates to the technical field of train bogies, and discloses a deep learning-based railway bogie structure optimization method and system, and the method comprises the steps: collecting a three-dimensional geometric model of a bogie bolster, and constructing a finite element simulation model; and applying a combined load to the swing bolster structure based on finite element simulation to obtain a stress map of the swing bolster structure. And mechanical indexes are extracted to judge whether structure optimization is performed or not. And when optimization is judged to be carried out, a deep learning model is trained based on historical structure samples. And inputting the to-be-optimized swing bolster structure parameters into the deep learning model to obtain parameter adjustment suggestions for optimization. And reconstructing the bolster structure model according to the parameter adjustment suggestion, carrying out finite element verification, and judging whether the optimized structure meets the target performance index requirement or not. According to the method, the design efficiency is improved, the development period is shortened, and efficient collaborative optimization of the railway bogie swing bolster structure among multi-target performance such as strength, rigidity, modality and fatigue life is achieved.

Provided is a rail car that is capable of efficiently transmitting vibrational forces that have been transmitted from a bogie via a yaw damper and a yaw damper support to an underframe to a rail car shell, and that is of a simple structure, sufficient mechanical strength, and light weight for reducing the amount of heat applied to perform welding and for allowing a nondestructive inspection to be performed with ease. The rail car includes a rail car shell, a bogie that supports the rail car shell, a yaw damper having an end connected to the bogie, and a yaw damper support to which another end of the yaw damper is connected. The rail car shell includes an underframe including a floor assembly providing a floor and a bolster beam joined to the floor assembly, and a pair of side structures erected at both transverse ends of the underframe. In this rail car, the yaw damper support is fixed to a transverse end of the bolster beam.

One variation of a system includes a bogie including: a chassis; a first set of latches configured to transiently engage a first subset of engagement features, in a first array of engagement features on a left rail and in a second array of engagement features on a right rail of the trailer, to retain the bogie below a floor of the trailer; a driven axle suspended from the chassis; and a motor coupled to the driven axle and configured to output torque to the driven axle and regeneratively brake the driven axle. The system further includes a battery assembly: including a second set of latches configured to transiently engage a second subset of engagement features, in the first array of engagement features and in the second array of engagement features, to retain the battery assembly adjacent the bogie; and configured to receive electrical energy from the motor.

The invention discloses a large-volume coke transportation railway open wagon, and relates to the technical field of railway open wagons, the large-volume coke transportation railway open wagon comprises a wagon body, a wagon coupler buffer device, a brake device and a bogie, the wagon body is of a box body structure with an upward opening, and the cross section of the wagon body is in a big-end-down bottleneck shape; the vehicle body comprises a chassis assembly, two side wall assemblies symmetrically arranged on the two sides of the chassis assembly and two end wall assemblies arranged at the two ends of the chassis assembly, and the bottoms of the two side wall assemblies are close to the vehicle limit of the chassis assembly; the cross section of the side wall plate of each side wall assembly is in a broken line shape, and the side wall plate of each side wall assembly is gradually narrowed upwards at the position close to the vehicle limit inflection point. According to the box body structure with the upward opening formed through assembly welding, the cross section of the vehicle body is in a big-end-down bottle opening shape, the side face contour is close to the rolling stock limit, only certain safety allowance is reserved, the cross section area is increased by fully utilizing the limit, and the volume of the vehicle is increased.

The straddle type monorail bogie comprises a framework assembly, a walking wheel assembly, a driving assembly and a planetary gear reducer, the framework assembly comprises a framework body and a fixing assembly, and the fixing assembly is detachably and fixedly connected with a connecting beam in the framework body so that the fixing assembly and the connecting beam can detachably clamp the driving assembly; the driving assembly, the walking wheel assembly and the planetary gear reducer are integrated into a whole, and the driving assembly, the walking wheel assembly and the planetary gear reducer can be separated from the framework assembly by disassembling the fixing assembly. The framework assembly is provided with the receding space for the driving assembly, the walking wheel assembly and the planetary gear speed reducer to be separated from the framework body from the lower side of the connecting beam, so that the walking wheel assembly, the driving assembly and the planetary gear speed reducer can be disassembled without disassembling the framework body, walking wheels do not need to move axially within the limited axial space size, and the structure is simple and convenient. According to the wheel replacing device, the mode of directly discharging the wheels downwards in the vertical direction can be achieved, the walking wheels are not disassembled and replaced, the wheel replacing time is saved, and the wheel replacing efficiency is improved.

The invention discloses a straddle type monorail train bogie and a straddle type monorail train. The straddle type monorail train bogie comprises a framework assembly, a walking wheel assembly, a driver, a planetary gear reducer, a brake and a fixing assembly, walking wheels in the walking wheel assembly are detachably and fixedly connected through hubs and axles, and the driving wheel is fixedly connected with the planetary gear reducer through the fixing assembly; the wheel axle and the driver are in transmission connection through the planetary gear reducer, so that power of the driver is transmitted to the wheel axle after being decelerated through the planetary gear reducer to drive the walking wheels to rotate and drive the vehicle body to run; the fixing assembly is detachably and fixedly connected with the connecting beam of the framework assembly, so that the fixing assembly detachably clamps the wheel shaft, the brake, the walking wheel assembly, the planetary gear reducer and the driver to be integrated into an integrated assembly, and the whole integrated assembly is detachably clamped by the fixing assembly and the connecting beam. The integrated assembly can be separated from the connecting beam by detaching the fixing assembly, and the walking wheels on the integrated assembly are detached after the integrated assembly is separated from the framework assembly, so that the walking wheels are not detached and replaced, the wheel replacement time is saved, and the wheel replacement efficiency is improved.

The present disclosure relates to a computer-implemented method for determining a real time steering angle (58) for a railway bogie (1) and to a control device (40) which is configured to perform the method, the method comprising: deter-mining by a sensor assembly at least one lateral real time sensor signal (38), which is characteristic for a lateral position of a tread of at least one wheel of the railway bogie (1) with respect to a railway track, determining, by means of a positioning algorithm (47), a real time position and / or orientation of the railway bogie (1) with respect to the railway track (31), using the received at least one lateral real time sensor signal (38) and determining the real time steering angle (58) for steering of the railway bogie (1), using the determined real time position and / or orientation of the railway bogie (1).

The utility model relates to the technical field of bogies, in particular to a high-precision railway bogie connecting rod seat assembling tool which comprises a supporting table top. A transverse adjusting mechanism used for adjusting the bogie in the X-axis direction, a longitudinal adjusting mechanism used for adjusting the bogie in the Y-axis direction and a detecting mechanism used for detecting the position of a side face datum plane on the bogie are arranged on the supporting table top. The supporting mechanism is used for supporting the datum plane of the upper top face of the bogie and limiting the bogie in the Y-axis direction, and the positioning and pressing mechanism is used for positioning and pressing a connecting rod base on the bogie. The bogie and the connecting rod seat are positioned, assembled and welded, so that welding deformation can be effectively controlled, and the location degree after welding is ensured.

Disclosed is a gearbox for rail vehicle, a bogie for rail vehicle and a rail vehicle. The gearbox for rail vehicle includes a primary gearbox (1) configured to connect with a traction motor, and a secondary gearbox (2) arranged on both sides of the primary gearbox (1) along a longitudinal direction of the rail vehicle, wherein a framework bearing beam is formed by connecting the primary gearbox (1) and the secondary gearbox (2), the primary gearbox (1) is configured to transmit power from the traction motor to the secondary gearbox (2), and the secondary gearbox (2) are configured to transmit power from the primary gearbox (1) to wheelsets of the rail vehicle.

The present invention provides a bogie wheel set lifting structure, which includes a bogie and an axle box body located below the bogie; the axle box body includes a bearing box and a bearing box base integrally connected to the lower end of the bearing box; two primary rubber springs are arranged between the bogie and the bearing box base; the two primary rubber springs are respectively located on both sides of the bearing box; each primary rubber spring includes a metal outer shell; each metal outer shell is provided with a convex block; a vertical chute is respectively arranged on both sides of the bearing box; a lifting stop is arranged at the upper end of the vertical chute; each convex block can be slidably inserted and installed in a vertical chute. The present invention can not only realize the function of wheel set lifting, but also meet the strength requirements under running vibration and impact. When a large horizontal load appears between the bogie and the wheel set axle box, a reliable horizontal limit connection can be generated between the convex block and the chute, ensuring the stability of the horizontal connection between the bogie and the wheel set axle box and preventing large horizontal displacement of the primary rubber spring.

A monorail bogie frame clamping device and a frame machining method. The monorail bogie frame clamping device is used for fixing a frame (100), and comprises a one-step machining clamping device (200) and a two-step machining clamping device (300); the frame (100) is arranged on the one-step machining clamping device (200) in a horizontal state; the one-step machining clamping device (200) is used for completing position adjustment and clamping of the frame (100) in the horizontal direction; the frame (100) is arranged on the two-step machining clamping device (300) in a vertical state; and the two-step machining clamping device (300) is used for completing position adjustment and clamping of the frame (100) in the vertical direction. When in use, the frame (100) is clamped by the one-step machining clamping device (200) in the horizontal direction, and the frame (100) is machined by means of a vertical machining center; and the frame (100) is then clamped by the two-step machining clamping device (300) in the vertical direction, and the frame (100) is finally machined by means of a horizontal machining center, so that in the machining process of the frame (100), the frame (100) is quickly and firmly clamped, and the position of the frame (100) does not need to be adjusted multiple times during machining, thereby improving the machining precision of the frame (100).

A bogie assembly includes a bolster having a plate on which a rail vehicle is supported, and side frames disposed on opposite sides of the plate of the bolster. The side frames can have pedestal jaw ends that can couple with wheelsets of the rail vehicle. The side frames can have openings sized to receive the bolster and springs between spring seats of the side frames in the openings and the bolster. The side frames also can include unit guide pockets that can receive brake beams that move during engagement or release of brake shoes from wheels in the wheelsets. The unit guide pockets can be located below the spring seats in the side frames.

The invention discloses a bogie detection system and a control method thereof, and the system comprises a guide rail which is provided with a detection station; the height detection device is arranged above the detection station, and the height detection device is used for detecting the height of the bogie; the first image detection device is arranged below the detection station, and the first image detection device is used for carrying out image detection on the bottom of the bogie while carrying out height detection; and the second image detection device is arranged on the side surface of the detection station and is used for carrying out image detection on the side surface of the bogie while carrying out height detection. Bogie height parameter and multi-view image acquisition and multi-modal data fusion analysis are synchronously completed at a single station, the defect recognition accuracy is improved, the labor intensity of detection personnel is remarkably reduced, the repeated configuration of equipment is reduced through station integrated design, the detection period is effectively shortened, and the workshop space is saved. And an efficient intelligent detection solution is provided for manufacturing of rail transit equipment.

The invention provides a multifunctional loading system and a control method thereof. The multifunctional loading system comprises a prepared material conveying line; the supporting mechanism is driven by the transverse movement driving mechanism to transversely move; the conveying mechanism is installed on the supporting mechanism, an installation area is formed between the conveying mechanism and the supporting mechanism, the conveying mechanism comprises a plurality of feeding pieces which are driven by a feeding driving mechanism to feed materials towards the corresponding material preparation conveying lines, and containing areas are arranged among the feeding pieces; the steering mechanism comprises a steering frame located in the containing area and lower than the tops of the multiple feeding pieces, a rotation driving mechanism located in the mounting area and used for driving the steering frame to rotate, and a lifting driving mechanism located in the mounting area and used for driving the steering frame to ascend and descend. Through the bogie, goods input to a plurality of feeding pieces can be jacked and steered, the transverse movement driving mechanism is matched to drive the supporting frame to transversely move and position, the function that the conveying mechanism can input the goods into a material preparation conveying line one by one according to different layout modes is achieved, and the adaptability of the loading system is improved.

The bogie weighing device comprises a weighing valve and a force transmission mechanism, an air inlet of the weighing valve is communicated with an auxiliary air cylinder, an air outlet of the weighing valve is communicated with a distribution valve in a vehicle braking system, the weighing valve is fixed to a framework of a vehicle bogie, and the force transmission mechanism is connected with the framework and can rotate around a connecting point. One end of the force transmission mechanism is connected with the weighing valve, and the other end of the force transmission mechanism is connected with the hanging bracket. Stepless regulation of vehicle braking can be achieved.

The invention discloses a bogie analysis and design method, and particularly relates to the field of bogie analysis and design, the bogie is divided into a wheel set axle box module, a basic braking module, a primary suspension module, a secondary suspension module, a damping device module and a remote sleeper module according to a bogie structure decomposition and standardized decomposition method; performing bogie module type identification, determining a first universal module, a second universal module and a differentiation module, performing bogie modular design according to bogie module division and bogie module identification results, generating a bogie three-dimensional model and an engineering drawing in combination with a parameterization design method, and utilizing a finite element analysis technology to obtain a three-dimensional model and an engineering drawing of the bogie; simulation analysis is carried out on key parts of the bogie, topological optimization is carried out on the structure and size of the bogie based on a unit life-death algorithm and a genetic algorithm, the design efficiency and design quality of the bogie are improved, and the reasonability and reliability of bogie design are ensured.

The invention relates to the technical field of urban rail train safety detection, and discloses a mechanical rail train detection method and system with a real-time detection function, and the method comprises the steps: collecting the states of obstacles on the two sides of a bogie and normally open and normally closed contacts of derailment detection travel switches; calculating a trigger state code; an emergency or non-emergency braking signal is output and an alarm is given; and when the state returns to normal and a reset instruction is received, the alarm is released and the initial state is recovered. In the prior art, obstacle or derailment detection is realized by depending on a multi-stage sensor and an electronic control unit, and especially in complex operation environments of high electromagnetic interference, high humidity dust and the like, stable and low-fault-rate real-time detection cannot be realized. Due to the fact that a redundancy judgment mechanism combining a pure mechanical structure and the vehicle programmable logic control unit LCU is adopted, high-reliability real-time detection of the obstacle and derailment state is achieved, and the safety and maintainability of a train system are improved.

The utility model relates to a disassembly and assembly clamp for disassembly and assembly of a bogie bolster spring wedge, which comprises an electromagnetic iron core, a coil winding, a pneumatic tool, a pen-shaped cylinder and a clamp supporting seat, the electromagnetic iron core is fixedly arranged on the clamp supporting seat, the pneumatic tool is fixedly arranged on the electromagnetic iron core, the pen-shaped air cylinder is fixedly arranged on the clamp supporting seat, and the pen-shaped air cylinder is connected with an air cylinder ejector pin in the pneumatic tool. The pneumatic ejector pin is controlled to reciprocate by adjusting the air pressure of the pen-shaped air cylinder, so that the pneumatic ejector pin penetrates through the electromagnetic iron core to abut against the inner pillow spring; a coil winding is arranged outside the electromagnetic iron core and can attract the outer pillow spring. The assembling and disassembling clamp adopts the combination form of the electromagnet and the pen-shaped air cylinder, the automatic assembling and disassembling operation of the pillow springs and the wedges of the k2 and K6 bogies is facilitated, the structure is simple, the installation and the maintenance are convenient, and the clamp form is also suitable for the automatic assembling and disassembling operation of the pillow springs and the wedges of the k4 and K5 bogies.