CN111348071B

CN111348071B - Automatic falling equipment for high-speed rail locomotive bogie

Info

Publication number: CN111348071B
Application number: CN202010232943.2A
Authority: CN
Inventors: 黄兴博; 孙云权; 齐立哲; 田超; 潘高
Original assignee: Intersmart Robotic Systems Co ltd
Current assignee: Intersmart Robotic Systems Co ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2021-03-23
Anticipated expiration: 2040-03-28
Also published as: CN111348071A

Abstract

The invention provides automatic falling equipment for a high-speed rail locomotive bogie, which belongs to the field of adjusting and installing equipment and comprises a rail underframe, wherein wheel set positioning assemblies are arranged at four corners of the outer ring of the rail underframe, the wheel set positioning assemblies support and position four wheels of the bogie, gaps of the wheel set positioning assemblies oppositely arranged at two sides are adjustable in the X-axis direction, the wheel set positioning assemblies arranged at the same side adjust intervals in the Y-axis direction through an axle distance adjusting assembly, and an axial positioning assembly for positioning the X-axis of a wheel set is arranged in the rail underframe. The invention utilizes the camera to identify and detect means, so that the framework is accurately matched with the wheel set, the complex adjustment is completed in an automatic mode, the labor is saved, and the efficiency is high.

Description

Automatic falling equipment for high-speed rail locomotive bogie

Technical Field

The invention belongs to the field of adjusting and mounting equipment, relates to the falling and adjusting of a bogie, and particularly relates to automatic falling equipment for a bogie of a high-speed rail locomotive.

Background

The high-speed rail bogie is used for guaranteeing the safe operation of a train, mainly bears the functions of bearing, traction, buffering, guiding, braking and the like, when a station is formed in the prior art, a wheel pair in place is manually controlled by a worker to lift the wheel pair, then the worker removes an axle box and a gear box conveying wheel, and the axle box and the gear box conveying wheel are replaced by a leveling tool to be leveled by sight; workers mount the axle box spring and the gear box suspender; in the falling process, 1 person drives a crane to hoist a framework, 4 persons at a station and 4 angles hold the framework to fall, the direction adjustment of a brake pad, the verticality direction adjustment of a suspender and the observation of whether a shaft box spring enters a limiting hole of the framework are considered, and related parts matched with the framework are adjusted while falling and the framework is adjusted

The defects of the prior art are as follows: the falling process can be completed only by matching at least 5 persons, so that more persons are used and the cost is high; and (3) in the aspect of standard operation: the leveling of the axle box and the gear box is realized by using experience and using sight line, and the effect of the leveling is influenced by human factors; and (4) safety aspects: at least 4 people are involved in operation of the lower station in the process of falling the crane hoisting frame, and adjustment is carried out while falling, so that great potential safety hazards exist; in the aspect of the system: the parameters such as the model number and the quantity of the assembled frame are manually recorded, so that the possibility of missing and wrong recording exists, the labor of workers is consumed, and the networked scheduling of the whole production system cannot be matched.

Disclosure of Invention

The invention aims to provide automatic falling equipment for a high-speed rail locomotive bogie, which utilizes a camera identification detection means to accurately match a framework and a wheel pair, completes complex adjustment in an automatic mode, saves labor and has high efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that: the automatic falling equipment for the bogie of the high-speed rail locomotive comprises a rail underframe, wherein wheel set positioning assemblies are arranged at four corners of the outer ring of the rail underframe, the wheel set positioning assemblies support and position four wheels of the bogie, gaps of the wheel set positioning assemblies oppositely arranged at two sides are adjustable in the X-axis direction, the wheel set positioning assemblies arranged at the same side adjust the distance in the Y-axis direction through a wheel base adjusting assembly, and an axial positioning assembly for positioning the X-axis of a wheel set is arranged in the rail underframe;

wheel set locating component, axial positioning subassembly and wheel base adjustment subassembly are all fixed on the revolving stage subassembly, the revolving stage subassembly is established the below of track chassis, the revolving stage subassembly drive wheel set locating component, axial positioning subassembly and wheel base adjustment subassembly circumferencial direction are rotatory.

Further, wheel set locating component includes V type piece, the middle part of V type piece lower extreme is equipped with screw rod elevator, screw rod elevator is driven by servo motor, screw rod elevator establishes on the locating piece support, the locating piece support with the upper end of revolving stage subassembly is equipped with guide rail structure, guarantees wheel set locating component at the removal precision of Y axle direction, the both sides of V type piece lower extreme are equipped with the guide post, go up to being equipped with the uide bushing on the locating piece support, the guide post sets up in the uide bushing and the vertical direction sliding connection of the two.

Furthermore, the upper end of locating piece support still is equipped with spacing, be equipped with the guide way on the spacing, V type piece sets up in the guide way and relative guide way oscilaltion, one side of V type piece is equipped with the response piece, be equipped with two inductive switch on the spacing, correspond respectively the last extreme position and the lower extreme position of V type piece.

Furthermore, the outer side of the positioning block support is also provided with an ejector block, the ejector block is driven by a lifting electric cylinder, and the relative positioning block support moves up and down and is arranged corresponding to a gear box on the bogie.

Further, wheel base adjustment subassembly includes intermediate lamella and curb plate, intermediate lamella and revolving stage subassembly fixed connection, the curb plate with be equipped with the line rail structure of Y axle direction between the revolving stage subassembly, two wheel set locating component of X axle direction fix on same curb plate, the intermediate lamella is equipped with adjusting motor, be equipped with the drive plate on the curb plate, adjusting motor's output shaft drive lead screw is rotatory, and the drive plate is as screw and lead screw cooperation, and the outside of lead screw is equipped with the protection casing, and an adjusting motor matches and sets up a lead screw and a drive plate to correspond a curb plate setting.

Furthermore, the axial positioning assembly is fixed on the side plate, the axial positioning assembly is arranged between the two wheel pair positioning assemblies in the X-axis direction, the axial positioning assembly comprises a jackscrew, a motor and a lead screw, the jackscrew is arranged on a sliding block, the motor drives the lead screw to rotate, the sliding block is used as a nut and matched with the lead screw, and the jackscrew is driven to move in the X-axis direction.

Further, the revolving stage subassembly includes moving platform, rotary platform and the carousel chassis that from the top down set gradually, the fixed setting of carousel chassis, be equipped with the gear wheel of rotating the connection on the carousel chassis, be equipped with the rotating electrical machines on the carousel chassis, the epaxial pinion that is equipped with of output of rotating electrical machines, the pinion sets up with gear wheel engagement, the upper end fixed connection of rotary platform and gear wheel, be equipped with X axle motor on the rotary platform, X axle motor passes through screw and lead screw structure drive moving platform X axle removes, moving platform and intermediate lamella fixed connection, moving platform is frame construction, and sets up the outer lane of track chassis.

Further, the revolving stage subassembly is established on lifting unit, lifting unit includes the crane, the four corners of crane sets up screw rod elevator, the middle part of crane is equipped with elevator motor, the first lead screw that elevator motor drive X axle direction set up rotates, and two screw rod elevators of Y axle homonymy pass through the linkage of second lead screw, first lead screw passes through two second lead screw rotations of worm gear speed reducer simultaneous drive.

Furthermore, a protective cover is arranged at the upper end of the track underframe, the bogie is arranged at the upper end of the protective cover, the upper end of the protective cover is provided with avoidance holes corresponding to the four corners of the bogie, the protective cover and the structure below the protective cover are arranged in the pit, and a control center is arranged at the upper end of the pit and used for controlling the start and stop actions of all electrical elements.

Furthermore, four corners position of protection casing below is equipped with determine module, determine module includes camera and lift electric jar, the drive of lift electric jar the relative protection casing of camera reciprocates, the camera is connected with the control center electricity.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The invention utilizes the detection device to identify the position and the posture of the framework and the wheel pair space, calculates the deviation of the relative position and the matching position, and sends the result to the control system, the control system adjusts the position and the posture of the wheel pair according to the deviation data, and the adjusting mode comprises equipment rotation, Y-axis translation, axle distance adjustment and the like, automatic adjustment and centering in multiple directions are realized, the automation degree is high, and the labor is saved;

2. the wheel set positioning device comprises a V-shaped block positioning device, an axial positioning assembly and an axle distance adjusting assembly, wherein the axial positioning assembly and the axle distance adjusting assembly are arranged on the wheel set positioning device, the angle and the stability of positioning are ensured in multiple directions, the structure is ingenious in conception, compact in layout and small in occupied space, meanwhile, the whole structure is arranged in a pit, and a protective cover is arranged, so that other sundries are prevented from entering the inside, and the service life of the structure is effectively ensured;

3. the screw rod lifter in the wheel set positioning assembly is commercially available, purchased finished products are low, the specific model is selected and set according to the specification of a bogie, the wheel set positioning assembly is driven by a servo motor or an electric cylinder, the structure is simple, the control procedure is simple, after a guide rail structure is arranged, the adjustment precision of the wheel set positioning assembly in the Y-axis direction is ensured, a guide column and a guide sleeve are arranged, the up-and-down movement precision of a V-shaped block is ensured, and the up-and-down movement action of the V-shaped block is realized;

4. in the revolving stage subassembly, the rotating electrical machines passes through the pinion and drives the gear wheel rotation, has realized revolving platform's rotation now, has realized the rotation of all parts on revolving platform upper portion, except the adjustment of X axle, Y axle, can also realize the wrench movement and the angular adjustment of horizontal plane, has realized the adjustment of a plurality of dimensions and the location of bogie, and further realized the accurate positioning and the accurate adjustment of bogie.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the automatic bogie falling equipment for a high-speed railway locomotive according to the present invention;

FIG. 2 is a schematic diagram of the present invention for a high-speed rail locomotive bogie automatic drop equipment without a pit;

FIG. 3 is a schematic structural view of a detection assembly of the present invention;

FIG. 4 is a schematic diagram of the construction of the present invention for a high-speed rail locomotive truck auto-drop equipment without the pit, shield and lift assembly;

FIG. 5 is a front elevational schematic view of the wheelset locating assembly of the present invention;

FIG. 6 is a detail view of section A of FIG. 5 of the present invention;

FIG. 7 is a rear elevational structural schematic of the wheelset locating assembly of the present invention;

FIG. 8 is a structural schematic of the wheelset locating assembly, axial locating assembly and axial locating assembly of the present invention in combination;

FIG. 9 is a detail view of section B of FIG. 8 of the present invention;

FIG. 10 is a detail view of section C of FIG. 8 of the present invention;

FIG. 11 is a schematic view of the turntable assembly of the present invention;

FIG. 12 is a schematic view of the construction of the lift assembly of the present invention;

fig. 13 is a schematic view of the structure of the steering wheel and steering column of the present invention.

Reference numerals:

10. a pit; 20. a control center; 30. a bogie; 40. a protective cover; 41. a detection component; 411. a camera; 412. a lifting electric cylinder; 50. a rail chassis; 60. a wheel set positioning assembly; 61. a V-shaped block; 611. an induction sheet; 62. a screw elevator; 63. a servo motor; 64. a positioning block bracket; 641. a guide sleeve; 65. a guide post; 66. a limiting frame; 661. an inductive switch; 662. a guide groove; 67. a top block; 68. a lifting electric cylinder; 70. an axial positioning assembly; 71. carrying out top thread; 72. a slider; 80. a rotating table assembly; 81. a mobile platform; 82. rotating the platform; 83. a turntable chassis; 84. a bull gear; 85. a pinion gear; 90. a lifting assembly; 91. a lifting motor; 92. a first lead screw; 93. a second lead screw; 94. a steering wheel; 95. a direction post; 96. a lifting frame; 100. a wheel base adjusting assembly; 101. a middle plate; 102. a side plate; 103. adjusting the motor; 104. a drive plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 to 13, the present invention is an automatic drop equipment for a bogie of a high-speed rail locomotive, including a rail underframe 50, four corners of an outer ring of the rail underframe 50 are provided with wheelset positioning assemblies 60, the wheelset positioning assemblies 60 support and position four wheels of the bogie 30, gaps of the wheelset positioning assemblies 60 oppositely arranged at two sides are adjustable in an X-axis direction, the wheelset positioning assemblies 60 arranged at the same side are adjusted in a Y-axis direction by an axle distance adjusting assembly 100, and an axial positioning assembly 70 for positioning an X-axis of a wheelset is arranged inside the rail underframe 50;

the wheelset positioning assembly 60, the axial positioning assembly 70 and the wheel base adjusting assembly 100 are all fixed on the rotating platform assembly 80, the rotating platform assembly 80 is arranged below the track underframe 50, and the rotating platform assembly 80 drives the wheelset positioning assembly 60, the axial positioning assembly 70 and the wheel base adjusting assembly 100 to rotate in the circumferential direction.

Preferably, the wheel set positioning assembly 60 comprises a V-shaped block 61, a lead screw lifter 62 is arranged in the middle of the lower end of the V-shaped block 61, the lead screw lifter 62 is driven by a servo motor 63, the lead screw lifter 62 is arranged on a positioning block support 64, a guide rail structure is arranged at the upper ends of the positioning block support 64 and the rotating table assembly 80 to ensure the moving precision of the wheel set positioning assembly 60 in the Y-axis direction, guide posts 65 are arranged on two sides of the lower end of the V-shaped block 61, a guide sleeve 641 is arranged on the positioning block support 64, the guide posts 65 are arranged in the guide sleeve 641 and are in sliding connection with the guide sleeve 641 in the vertical direction, the lead screw lifter 62 adopts commercial products, the purchased finished products are low, the specific model is selected and set according to the specification of the bogie 30, the servo motor 63 or an electric cylinder is adopted for driving, the structure is simple, the control program is simple, and after the, the guide post 65 and the guide sleeve 641 are arranged, so that the up-and-down movement precision of the V-shaped block 61 is ensured.

Preferably, the upper end of the positioning block bracket 64 is further provided with a limiting frame 66, the limiting frame 66 is provided with a guide groove 662, the V-shaped block 61 is arranged in the guide groove 662 and ascends and descends relative to the guide groove 662, one side of the V-shaped block 61 is provided with a sensing piece 611, the limiting frame 66 is provided with two sensing switches 661 which respectively correspond to the upper limit position and the lower limit position of the V-shaped block 61, the arrangement of the limiting frame 66 and the guide groove 662 ensures the up-and-down movement precision of the V-shaped block 61, the arrangement of the sensing piece 611 and the sensing switches 661 ensures the up-and-down movement precision and the positioning precision of the V-shaped block 61, the sensing switches 661 are electrically connected with the control center 20 to realize the signal feedback, and the bogie 30 is supported after the V-shaped block 61 is in place; more preferably, the positioning block bracket 64 is further provided with a top block 67 on the outer side thereof, the top block 67 is driven by a lifting electric cylinder 68, moves up and down relative to the positioning block bracket 64 and is arranged corresponding to the gear box on the bogie 30, so as to position and guide the gear box, and further ensure the accuracy of the drop of the bogie 30.

Preferably, the wheel base adjusting assembly 100 comprises a middle plate 101 and a side plate 102, the middle plate 101 is fixedly connected with the rotating platform assembly 80, a Y-axis linear rail structure is arranged between the side plate 102 and the rotating platform assembly 80, two wheel pair positioning assemblies 60 in the X-axis direction are fixed on the same side plate 102, the middle plate 101 is provided with an adjusting motor 103, the side plate 102 is provided with a driving plate 104, the output shaft of the adjusting motor 103 drives a lead screw to rotate, the driving plate 104 is used as a nut and is matched with the lead screw, a protective cover 40 is arranged outside the lead screw, one adjusting motor 103 is matched with a lead screw and a driving plate 104 and is arranged corresponding to one side plate 102, the adjusting motor 103 acts, the electric lead screw rotates to drive the side plate 102 to move in the Y-axis direction relative to the middle plate 101, and the wheel pair positioning assemblies 60 on both sides in the X-axis direction are fixedly connected with the side plate 102, so that the, the wheel pair positioning assembly 60 can move in the Y-axis direction, the wheel base adjustment in the Y-axis direction is realized, and the wheel pair positioning assembly is suitable for the bogies 30 with Y-axis spans of different specifications.

Preferably, the axial positioning assembly 70 is fixed on the side plate 102, the axial positioning assembly 70 is arranged between the two wheelset positioning assemblies 60 in the X-axis direction, the axial positioning assembly 70 includes a jackscrew 71, a motor and a lead screw, the jackscrew 71 is arranged on a sliding block 72, the motor drives the lead screw to rotate, the sliding block 72 is used as a nut to be matched with the lead screw, and the jackscrew 71 is driven to move in the X-axis direction.

Preferably, the rotating platform assembly 80 comprises a moving platform 81, a rotating platform 82 and a rotating disk underframe 83 which are sequentially arranged from top to bottom, the rotating disk underframe 83 is fixedly arranged, a gearwheel 84 which is rotatably connected is arranged on the rotating disk underframe 83, a rotating motor is arranged on the rotating disk underframe 83, a pinion 85 is arranged on a force output shaft of the rotating motor, the pinion 85 is meshed with the gearwheel 84, the rotating platform 82 is fixedly connected with the upper end of the gearwheel 84, an X-axis motor is arranged on the rotating platform 82, the X-axis motor drives the moving platform 81 to move through a nut and screw structure, the moving platform 81 is fixedly connected with the middle plate 101, the moving platform 81 is of a frame structure and is arranged on the outer ring of the track underframe 50, the structure is compact, the occupied space is small, in the rotating platform assembly 80, the rotating motor drives the gearwheel 84 to rotate through the pinion 85, and the rotation of the rotating platform 82, the rotation of all parts on the upper part of the rotary platform 82 is realized, the horizontal surface twisting and angle adjustment can be realized besides the adjustment of the X axis and the Y axis, the adjustment of multiple dimensions and the positioning of the bogie 30 are realized, and the accurate positioning and the accurate adjustment of the bogie 30 are further realized.

Preferably, the rotating platform assembly 80 is arranged on the lifting assembly 90, the lifting assembly 90 comprises a lifting frame 96, the lead screw lifters 62 are arranged at four corners of the lifting frame 96, a lifting motor 91 is arranged in the middle of the lifting frame 96, the lifting motor 91 drives a first lead screw 92 arranged in the X-axis direction to rotate, the two lead screw lifters 62 on the same side of the Y-axis are linked through a second lead screw 93, the first lead screw 92 drives the two second lead screws 93 to rotate through a worm gear reducer, and the lifting assembly 90 realizes the adjustment of the whole structure in the Z-axis direction; more preferably, direction wheels 94 are provided at four corners of the lifting frame 96, the direction wheels 94 are dumbbell-shaped, direction columns 95 which ensure the up-and-down movement accuracy of the lifting frame 96 are provided in cooperation with the direction wheels 94, and the direction wheels 94 are provided corresponding to the direction columns 95.

Preferably, the upper end of track chassis 50 is equipped with protection casing 40, bogie 30 sets up the upper end at protection casing 40, the upper end of protection casing 40 is equipped with the position that the four corners of bogie 30 corresponds and keeps away the position hole, protection casing 40 and the structure of below all set up in pit 10, the upper end of pit 10 sets up control center 20, be used for controlling opening of all electrical components and stop the action, the inner structure can be protected in the setting of protection casing 40, prevent that outside debris or steam etc. from entering inside, influence the practicality of inside electrical components, protection casing 40 has greatly increased the life of each part.

Preferably, the detection assemblies 41 are arranged at four corners below the protective cover 40, each detection assembly 41 comprises a camera 411 and a lifting electric cylinder 412, each lifting electric cylinder 412 drives each camera 411 to move up and down relative to the protective cover 40, each camera 411 is electrically connected with the control center 20, each camera 411 can detect the position of the bogie 30 and feed back the position in real time, online data acquisition and feedback are achieved, real-time monitoring and adjustment are achieved, a closed-loop control system is formed, and control accuracy is higher.

The specific implementation process comprises the following steps: the transport wheels and the leveling tools in the traditional mechanism are combined into a supporting type trolley structure which assists the application, the leveling tools do not need to be replaced after the wheel sets are transported to the stations of the application, the flow is reduced, the application receives the model of the bogie 30 given by the control center 20 before the wheel sets arrive at the structure, the lifting assembly 90 automatically adjusts the height, the wheel base adjusting assembly 100 adjusts the relative position of the wheel set positioning assembly 60 in the Y-axis direction, the wheel base is automatically adjusted, after the wheel sets arrive at the position, workers add a suspender for guiding to position the bogie 30, then an automatic program is started, firstly, the V-shaped block 61 of the equipment jacks up two sets of wheel sets, the axle boxes and related parts are jacked up to a certain height by the lifting motor 91 at the bottom, the lifting motor 91 can also be replaced by the lifting electric cylinder 412, so as to position the guide rail direction, then the axial positioning assembly 70 and the wheel base, positioning the wheel pair in a direction perpendicular to the guide rail, so that X, Y direction wheels 94 are accurately positioned, then lifting a 4-point detection assembly 41 from the ground to the height position of the wheel pair node, wherein a camera 411 included in the detection assembly 41 is a visual camera 411 and further comprises a distance sensor, the visual camera 411 and the distance sensor are mounted on a support, the support is provided with a shield to prevent interference and damage to the visual camera 411 and the distance sensor in other directions, and two light source systems are arranged on two sides of the camera 411 for light compensation during photographing; the structure is arranged on the lifting electric cylinder 412, can reach an accurate position along with the lifting electric cylinder 412 to take a picture, and returns to a position with a safe original point after the picture taking is finished; after the measurement of the camera 411, the value of the axle box and the gear box which need to be raised or lowered is calculated, the compensation action is executed by the lifting motor 91 at the bottom, the distance sensor measures the position value of the wheel pair, the command is sent to the intelligent crown block after the completion, the intelligent crown block is electrically connected with the control center 20, the intelligent crown block drops the bogie 30 to a certain height, at the moment, the camera 411 can shoot the matching position of the frame node, the positions of the wheel pair and the bogie 30 node are compared according to the detection data of the detection device, the structure is enabled to be twisted, translated in the vertical guide rail and adjusted in the guide rail direction by the two wheel pairs, after the adjustment is completed, the intelligent crown block drops the bogie 30 to be completely matched and then leaves, after a worker locks the node bolt, the V-shaped block 61 in the wheel pair positioning component 60 is raised and then retracted to the original point, the axle box and the gear box electric cylinder are lowered, so that the auxiliary, and then the bogie 30 is pushed to the next station, the whole process is completed, the whole vehicle falling process is automated, the position is automatically adjusted during the matching of the equipment to adapt to the position of the bogie 30 hung by the intelligent overhead travelling crane, the bolt is locked and the auxiliary support trolley is removed after the vehicle falling is in place manually, the labor intensity of workers and the factors of unsafe manual vehicle falling are reduced, and the automation degree of the whole equipment is high for the accuracy of automatic vehicle falling.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A be used for automatic equipment that falls into of high-speed railway locomotive bogie, its characterized in that: the bogie comprises a track underframe, wherein four corners of the outer ring of the track underframe are respectively provided with a wheel set positioning assembly, the wheel set positioning assemblies support and position four wheels of a bogie, gaps of the wheel set positioning assemblies oppositely arranged on two sides are adjustable in the X-axis direction, the wheel set positioning assemblies arranged on the same side adjust the distance in the Y-axis direction through a wheel base adjusting assembly, and an axial positioning assembly for positioning the X-axis of a wheel set is arranged in the track underframe;

2. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 1, characterized in that: wheel set locating component includes V type piece, the middle part of V type piece lower extreme is equipped with screw rod elevator, screw rod elevator is driven by servo motor, screw rod elevator establishes on the locating piece support, the locating piece support with the upper end of revolving stage subassembly is equipped with the guide rail structure, guarantees wheel set locating component at the removal precision of Y axle direction, the both sides of V type piece lower extreme are equipped with the guide post, go up to being equipped with the uide bushing on the locating piece support, the guide post sets up in the uide bushing and the vertical direction sliding connection of the two.

3. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 2, characterized in that: the upper end of locating piece support still is equipped with spacing, be equipped with the guide way on the spacing, V type piece sets up in the guide way and relative guide way oscilaltion, one side of V type piece is equipped with the response piece, be equipped with two inductive switch on the spacing, correspond respectively the last extreme position and the lower extreme position of V type piece.

4. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 2, characterized in that: the outer side of the locating block support is further provided with a top block, the top block is driven by a lifting electric cylinder, and the relative locating block support moves up and down and is arranged corresponding to a gear box on the bogie.

5. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 1, characterized in that: wheel base adjustment subassembly includes intermediate lamella and avris board, intermediate lamella and revolving stage subassembly fixed connection, the limit curb plate with be equipped with the line rail structure of Y axle direction between the revolving stage subassembly, two wheel set locating component of X axle direction fix on same limit curb plate, the intermediate lamella is equipped with adjusting motor, be equipped with the drive plate on the limit curb plate, adjusting motor's output shaft drive lead screw is rotatory, and the drive plate is as screw and lead screw cooperation, and the outside of lead screw is equipped with the protection casing, and an adjusting motor matches and sets up a lead screw and a drive plate to correspond an edge curb plate setting.

6. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 5, wherein: the axial positioning assembly is fixed on the side plate, the axial positioning assembly is arranged between the two wheel pair positioning assemblies in the X-axis direction, the axial positioning assembly comprises a jackscrew, a motor and a lead screw, the jackscrew is arranged on a sliding block, the motor drives the lead screw to rotate, the sliding block is matched with the lead screw as a nut, and the jackscrew is driven to move in the X-axis direction.

7. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 1, characterized in that: the revolving stage subassembly includes moving platform, rotary platform and the carousel chassis that from the top down set gradually, the fixed setting of carousel chassis, be equipped with the gear wheel of rotating the connection on the carousel chassis, be equipped with the rotating electrical machines on the carousel chassis, the epaxial pinion that is equipped with of output of rotating electrical machines, the pinion sets up with gear engagement, the upper end fixed connection of rotary platform and gear wheel, be equipped with X axle motor on the rotary platform, X axle motor passes through screw and lead screw structure drive the moving platform X axle removes, moving platform and intermediate lamella fixed connection, moving platform is frame construction, and sets up the outer lane of track chassis.

8. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 1, characterized in that: the revolving stage subassembly is established on lifting unit, lifting unit includes the crane, the four corners of crane sets up screw rod lift, the middle part of crane is equipped with elevator motor, the first lead screw that elevator motor drive X axle direction set up rotates, and two screw rod lifts of Y axle homonymy pass through the linkage of second lead screw, two second lead screws of first lead screw through worm gear speed reducer simultaneous drive rotate.

9. The automatic drop down apparatus for a high-speed rail locomotive bogie according to any one of claims 1 to 8, wherein: the protection cover is arranged at the upper end of the track underframe, the bogie is arranged at the upper end of the protection cover, the upper end of the protection cover is provided with avoidance holes corresponding to the four corners of the bogie, the protection cover and the structure below the protection cover are arranged in the pit, and the upper end of the pit is provided with a control center for controlling the start and stop actions of all electrical elements.

10. The automatic drop-off equipment for a high-speed rail locomotive bogie according to claim 9, wherein: the four corners position of protection casing below is equipped with determine module, determine module includes camera and lift electric jar, the drive of lift electric jar the relative protection casing of camera reciprocates, the camera is connected with the control center electricity.