CN112775891B

CN112775891B - Disassembling and assembling tool and disassembling and assembling method for shaft end power generation device

Info

Publication number: CN112775891B
Application number: CN202011538962.4A
Authority: CN
Inventors: 张静轩; 丁颖; 王蒙; 王洪昆; 王文刚; 边志宏; 王萌; 焦杨; 马瑞峰; 石宏原; 肖维远; 杨建平; 申燕飞; 刘文军; 胡玉梅; 杜霞; 任志平; 李谋逵; 蒋勇; 吴吉恒
Original assignee: Shenhua Railway Equipment Co Ltd; Meishan CRRC Brake Science and Technology Co Ltd
Current assignee: Shenhua Railway Equipment Co Ltd; Meishan CRRC Brake Science and Technology Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2023-02-17
Anticipated expiration: 2040-12-23
Also published as: CN112775891A

Abstract

The invention relates to a disassembly and assembly tool and a disassembly and assembly method of a shaft end power generation device, wherein the disassembly and assembly tool of the shaft end power generation device comprises the following components: clamping components, support, lead screw, driving piece and propelling movement seat. The clamping assembly is used for clamping the mounting seat. The support is provided with a thread through hole which is matched with the screw rod, the screw rod is arranged in the thread through hole, and the support is connected with the clamping assembly. The lead screw is used for driving the pushing seat to move, and the pushing seat is used for being in interference fit with the outer shell. When the shaft end power generation device is disassembled and assembled, the installation seat is clamped through the clamping assembly, the support and the installation seat keep a relatively fixed relation, the driving piece drives the screw rod to rotate, the screw rod correspondingly drives the pushing seat to move towards the direction of the outer shell, the pushing seat enables the outer shell to extrude the vibration damping elastic block, the screw rod stops driving the screw rod to rotate after moving in place, the position of the screw rod keeps fixed, the limiting part can be smoothly disassembled and assembled on the installation seat, and therefore the shaft end power generation device can be smoothly disassembled and assembled, time and labor are saved, and working efficiency is high.

Description

Disassembling and assembling tool and disassembling and assembling method for shaft end power generation device

Technical Field

The invention relates to the technical field of power generation devices, in particular to a disassembling tool and a disassembling method for a shaft end power generation device.

Background

Railway vehicles are vehicles used in the railway transportation sector to transport passengers and cargo. Railway vehicles are divided into two broad categories, passenger cars and freight cars. The electric equipment on the existing railway vehicle usually comprises a car lamp, an electric heating device, a power socket and the like, and the power consumption is not large, so that the electric equipment is usually powered by vehicle-mounted energy storage type power supply equipment or an internal combustion engine is adopted to drive a generator to supply power. For a common train, an electric traction locomotive power supply mode is adopted, namely power is supplied on a railway line along the way through a contact network.

With the increase of the demand of the user for the management and control of the railway vehicle, it is necessary to install electric equipment such as an electric pneumatic brake, an Electronic Stability Program (ESP), an intelligent monitoring device, etc. on the railway vehicle, and if only the vehicle-mounted energy storage type power supply equipment is adopted, the electric energy of the vehicle-mounted energy storage type power supply equipment is insufficient. A power generation device, which is disposed at an end of a railway vehicle axle and uses kinetic energy generated by rotational movement of the axle during running of the railway vehicle, has been developed, and the power generation device uses a manner in which a rotor assembly and a stator assembly generate relative movement to generate current to generate power. In order to stably install the rotor assembly on the mounting seat at the end part of the axle, a worker is required to manually press the rotor assembly, so that the power generation device is time-consuming and labor-consuming to install on the end part of the axle, and the working efficiency is lower.

Disclosure of Invention

Based on this, it is necessary to overcome the defects in the prior art, and a tool and a method for dismounting and mounting a shaft end power generation device are provided, which can facilitate and rapidly dismounting and mounting the shaft end power generation device on the end part of the axle, and have high working efficiency.

The technical scheme is as follows: a shaft end power generation device is provided with a mounting seat, a rotor assembly, a vibration damping elastic block and a limiting piece, wherein the mounting seat is fixedly arranged at the end part of a vehicle shaft; the dismouting frock of axle head power generation facility includes: the clamping assembly is used for clamping the mounting seat; the support is provided with a threaded through hole matched with the screw rod, the screw rod is arranged in the threaded through hole, and the support is connected with the clamping assembly; the driving piece is connected with the screw rod and used for driving the screw rod to rotate, the screw rod is used for driving the pushing seat to move, and the pushing seat is used for being in conflict fit with the outer shell.

Foretell axle head power generation facility's dismouting frock, when carrying out dismouting work to axle head power generation facility, through centre gripping subassembly centre gripping mount pad, the support keeps relatively fixed relation with the mount pad like this, driving piece drive lead screw rotates, the lead screw just corresponding drive promotes the seat and moves towards the direction of shell body, promote the seat and make shell body extrusion damping elastic block, the lead screw removes to stop driving the lead screw and rotates after targetting in place, the lead screw position keeps fixed, alright dismouting locating part on the mount pad smoothly, thereby alright develop axle head power generation facility's dismouting work smoothly, time saving and labor saving, work efficiency is higher.

In one embodiment, the assembling and disassembling tool for the shaft end power generation device further comprises a thrust bearing arranged on the pushing seat, and the screw rod is sleeved in the thrust bearing.

In one embodiment, the pushing seat comprises a substrate and more than two contact bodies connected with the substrate; the contact body is used for contacting with the outer shell.

In one embodiment, two or more of the contact bodies are arranged at intervals around the circumference of the substrate.

In one embodiment, a first concave part and a rotating hole extending from the bottom wall of the first concave part to the side of the base plate departing from the bracket are arranged on the side of the base plate of the pushing seat facing the bracket; the lead screw includes the main part section and with the coaxial first supplementary section that links to each other of main part section, the diameter of first supplementary section is less than the diameter of main part section, first supplementary section rotationally set up in rotate in the hole, thrust bearing cover is located on the first supplementary section and is located first concave part, thrust bearing with the terminal surface of main part section is inconsistent, the lead screw still through the anticreep subassembly with the base plate deviates from the side of support is inconsistent.

In one embodiment, the screw further comprises a second auxiliary section coaxially connected with the first auxiliary section; the diameter of the second auxiliary section is smaller than the diameter of the first auxiliary section; the anti-falling component comprises an anti-falling nut and a wear-resistant base plate which are sleeved on the second auxiliary section, one side surface of the wear-resistant base plate is abutted to the end surface of the main body section far away from the first auxiliary section, and the other side surface of the wear-resistant base plate is abutted to the anti-falling nut.

In one embodiment, the driving member comprises a handle, and the handle is arranged at one end of the screw rod far away from the pushing seat; or the driving piece comprises a driving motor, and the driving motor is connected with the screw rod and used for driving the screw rod to rotate.

In one embodiment, the screw rod is provided with a mark; and/or two limit positioning blocks are arranged on the screw rod and are respectively positioned on two sides of the bracket.

In one embodiment, the clamping assembly comprises more than two clamping jaws, one ends of the clamping jaws are rotatably connected with the support, and the other ends of the clamping jaws are clamped in clamping holes of the mounting seat.

A method for dismounting a shaft end power generation device adopts a tool for dismounting the shaft end power generation device, and comprises the following steps:

clamping the mount by the clamping assembly such that the bracket remains in relatively fixed relation to the mount; the driving piece drives the screw rod to rotate, the screw rod correspondingly drives the pushing seat to move towards the direction close to the outer shell, and the pushing seat enables the outer shell to extrude the vibration reduction elastic block; when the screw rod moves in place, the screw rod stops being driven to rotate, the position of the screw rod and the mounting seat are kept relatively fixed, and the limiting part is mounted and dismounted on the mounting seat.

According to the method for disassembling and assembling the shaft end power generation device, the limiting part can be smoothly disassembled and assembled on the mounting seat, so that the disassembling and assembling work of the shaft end power generation device can be smoothly carried out, time and labor are saved, and the working efficiency is high.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a tool for disassembling and assembling a shaft-end power generation device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection structure of the lead screw, the bracket and the pushing seat in FIG. 1;

fig. 3 is a schematic structural view of a shaft end power generation device according to an embodiment of the present invention installed at a shaft end;

fig. 4 is a schematic structural diagram of a shaft end power generation device according to an embodiment of the invention;

fig. 5 is an enlarged schematic view of fig. 4 at a.

10. A shaft end power generation device; 11. a mounting seat; 111. a seat plate; 112. enclosing plates; 1121. a groove; 1122. a material taking port; 121. an outer housing; 1211. a first split shell; 1212. a second split shell; 1213. a second recess; 1214. a third recess; 1215. a flange; 1216. a second arc-shaped concave surface; 122. a magnet; 13. a vibration damping elastic block; 14. a limiting member; 15. a stator assembly; 151. a positioning sleeve; 152. injection molding a coil; 16. a connecting shaft; 17. a positioning member; 171. positioning the main board; 1711. a second shaft hole; 172. positioning a support plate; 173. a damping buffer layer; 181. a first bearing; 182. a second bearing; 183. a vibration damping shaft sleeve; 19. a protective shell; 20. disassembling and assembling the tool; 21. a clamping assembly; 22. a support; 221. a threaded through hole; 23. a screw rod; 231. a main body section; 232. a first auxiliary section; 233. a second auxiliary section; 24. a drive member; 25. a pushing seat; 251. a substrate; 252. a contact body; 253. a first recess; 254. rotating the hole; 26. a thrust bearing; 27. an anti-drop component; 271. an anti-drop nut; 272. a wear-resistant backing plate; 30. an axle; 40. a main body structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram illustrating a dismounting tool 20 of a shaft-end power generation device 10 according to an embodiment of the present invention; fig. 2 shows a schematic structural view of the connection of the screw 23 with the bracket 22 and the pushing seat 25 in fig. 1; fig. 3 is a schematic structural view illustrating the shaft-end power generation device 10 according to the embodiment of the present invention mounted on the end of the axle 30. In the assembling and disassembling tool 20 for the shaft-end power generation device 10 according to an embodiment of the present invention, the shaft-end power generation device 10 includes an installation seat 11 fixedly disposed at an end of an axle 30, a rotor assembly, a damping elastic block 13 disposed between a seat plate 111 of the installation seat 11 and an outer casing 121 of the rotor assembly, and a limiting member 14 detachably disposed on the installation seat 11 and abutted against the outer casing 121.

The dismounting tool 20 of the shaft end power generation device 10 comprises a clamping assembly 21, a bracket 22, a screw rod 23, a driving piece 24 and a pushing seat 25. The clamping assembly 21 is used for clamping the mounting seat 11. The bracket 22 is provided with a threaded through hole 221 corresponding to the screw rod 23, the screw rod 23 is arranged in the threaded through hole 221, and the bracket 22 is connected with the clamping assembly 21. The driving piece 24 is connected with the screw rod 23, and the driving piece 24 is used for driving the screw rod 23 to rotate. The screw 23 is used for driving the pushing seat 25 to move, and the pushing seat 25 is used for being in interference fit with the outer shell 121.

When the shaft end power generation device 10 is disassembled, the mounting seat 11 is clamped by the clamping assembly 21, so that the support 22 and the mounting seat 11 keep a relatively fixed relation, the driving part 24 drives the screw rod 23 to rotate, the screw rod 23 correspondingly drives the pushing seat 25 to move towards the direction of the outer shell 121, the pushing seat 25 enables the outer shell 121 to extrude the vibration damping elastic block 13, the screw rod 23 stops driving the screw rod 23 to rotate after moving in place, the position of the screw rod 23 keeps fixed, the limiting part 14 can be smoothly disassembled and assembled on the mounting seat 11, and accordingly the disassembling and assembling work of the shaft end power generation device 10 can be smoothly carried out, time and labor are saved, and the work efficiency is high.

It should be noted that the threaded through hole 221 may be directly disposed on the bracket 22, or a nut with the threaded through hole 221 may be mounted on the bracket 22, which is not described in detail in this embodiment.

Referring to fig. 1 to fig. 3, further, the assembling and disassembling tooling 20 of the shaft-end power generation device 10 further includes a thrust bearing 26 disposed on the thrust seat 25. The screw 23 is sleeved in the thrust bearing 26. Therefore, the torque cannot be transmitted to the pushing seat 25 in the rotation process of the screw rod 23, so that the pushing seat 25 only transmits the thrust of the screw rod 23 to the outer shell 121, and the outer shell 121 is smoothly pressed and reduced by the elastic vibrating block 13 after receiving the thrust of the pushing seat 25; the pushing seat 25 does not drive the outer housing 121 to rotate, thereby preventing the outer housing 121 from being disassembled.

Referring to fig. 1 to 3, the pushing base 25 further includes a substrate 251 and two or more contact bodies 252 connected to the substrate 251. The contact body 252 is configured to contact the outer housing 121. Thus, the pushing base 25 abuts against the outer housing 121 through the abutting body 252 and pushes the outer housing 121, so that the pushing base 25 can avoid the connecting shaft 16 and the positioning member 17 disposed on the outer housing 121, and the pushing base 25 can smoothly drive the outer housing 121 to move.

Referring to fig. 1 to 3, further, two or more contact bodies 252 are arranged at intervals around the circumference of the substrate 251. Thus, the more than two contact bodies 252 circumferentially arranged around the base plate 251 push the outer shell 121 synchronously, so that the stress on the outer shell 121 is uniform.

Referring to fig. 2 and 3, a side of the substrate 251 of the pushing base 25 facing the bracket 22 is provided with a first recess 253 and a rotating hole 254 extending from a bottom wall of the first recess 253 to a side of the substrate 251 facing away from the bracket 22. The screw 23 includes a main body 231 and a first auxiliary 232 coaxially connected to the main body 231. The diameter of the first auxiliary section 232 is smaller than that of the main body section 231, and the first auxiliary section 232 is rotatably disposed in the rotating hole 254. The thrust bearing 26 is disposed on the first auxiliary segment 232 and located in the first recess 253, and the thrust bearing 26 abuts against the end surface of the main segment 231. The screw 23 also abuts against the side of the base plate 251 facing away from the bracket 22 via the anti-slip assembly 27. In this way, the thrust bearing 26 is rotatably provided in the first recess 253, and also abuts against the end surface of the main body segment 231, so that the thrust bearing 26 can be prevented from moving in the axial direction of the screw 23.

Referring to fig. 2, the screw 23 further includes a second auxiliary section 233 coaxially connected to the first auxiliary section 232. The diameter of the second auxiliary section 233 is smaller than the diameter of the first auxiliary section 232. The anti-slip assembly 27 comprises an anti-slip nut 271 sleeved on the second auxiliary section 233 and a wear pad 272. One side surface of the wear-resistant pad 272 abuts against the end surface of the first auxiliary section 232 far away from the main body section 231, and the other side surface of the wear-resistant pad 272 abuts against the anti-falling nut 271, so that the wear-resistant pad 272 is fixedly arranged on the second auxiliary section 233 to play a role in limiting, and the screw 23 is prevented from being separated from the push seat 25 in the process of returning to the position.

Referring to fig. 1 and 2, in one embodiment, the driving member 24 includes a handle disposed on an end of the screw 23 away from the pushing seat 25. It should be noted that, the specific example of the handle is a holding rod detachably mounted on the screw rod 23, one end of the screw rod 23 away from the pushing seat 25 is provided with an insertion hole, the holding rod is inserted and mounted in the insertion hole, and the holding rod drives the screw rod 23 to rotate when rotating, which is labor-saving. Of course, the handle may be mounted on the screw rod 23 in other manners, which is not limited herein.

Alternatively, the handle is not limited to being used to drive the driving member 24, and the driving motor is connected to the screw rod 23 for driving the screw rod 23 to rotate. So, adopt driving motor drive lead screw 23 to rotate, degree of automation is higher, labour saving and time saving, and work efficiency is higher.

In one embodiment, the lead screw 23 is provided with indicia. And/or two limit positioning blocks are arranged on the screw rod 23 and are respectively positioned at two sides of the bracket 22. Thus, the pushing amount of the screw rod 23 can be observed by marking, so that the degree of compression of the outer shell 121 on the damping elastic block 13 can be obtained, and the disassembly and assembly operation of the limiting member 14 can be facilitated. In addition, the pushing amount of the screw rod 23 can be obtained through the limit positioning block, and the screw rod 23 is abutted against the limit positioning block when moving in place, so that the outer shell 121 is ensured to compress the vibration damping elastic block 13 to a preset position.

In one embodiment, the clamp assembly 21 includes more than two jaws. One end of the claw is rotatably connected with the bracket 22, and the other end of the claw is clamped in a clamping hole of the mounting seat 11. Thus, the rotating claws are respectively and stably clamped in the two or more clamping holes of the mounting seat 11 by the two or more claws, so that the support 22 is relatively and fixedly arranged on the mounting seat 11. Specifically, the number of the claws is, for example, two, three, four or another number, and is not limited herein. In this embodiment, the number of the claws is three, and the three claws are wound around the bracket 22 at equal intervals.

In an embodiment, a method for dismounting a shaft-end power generation device 10, which uses the dismounting tool 20 of the shaft-end power generation device 10 according to any one of the embodiments, includes the following steps:

clamping mount 11 by clamp assembly 21 such that bracket 22 remains in a relatively fixed relationship with mount 11;

the screw rod 23 is driven to rotate by the driving piece 24, the screw rod 23 correspondingly drives the pushing seat 25 to move towards the direction close to the outer shell 121, and the pushing seat 25 enables the outer shell 121 to extrude the vibration-damping elastic block 13;

when the screw rod 23 moves to the right position, the screw rod 23 stops being driven to rotate, the position of the screw rod 23 is kept relatively fixed with the mounting seat 11, and the limiting piece 14 is mounted and dismounted on the mounting seat 11.

The method for assembling and disassembling the shaft end power generation device 10 can smoothly assemble and disassemble the limiting member 14 on the mounting seat 11, so that the assembling and disassembling work of the shaft end power generation device 10 can be smoothly carried out, time and labor are saved, and the working efficiency is high.

Referring to fig. 3 to 5, fig. 4 illustrates a schematic structural diagram of a shaft end power generation device 10 according to an embodiment of the present invention, and fig. 5 illustrates an enlarged schematic structural diagram of fig. 4 at a. It should be noted that, in the shaft-end power generating device 10 according to an embodiment, the shaft-end power generating device 10 includes an installation seat 11, a rotor assembly, a damping elastic block 13, a limiting member 14, a stator assembly 15, a connecting shaft 16, and a positioning member 17. The mounting seat 11 is used for fixing an end of an axle 30 mounted on a vehicle, and the mounting seat 11 includes a seat plate 111 and a shroud 112 circumferentially disposed around the seat plate 111. The enclosure 112 encloses a chamber with the seat plate 111. The rotor assembly includes an outer housing 121. The stator assembly 15 is disposed inside the outer casing 121, and the outer casing 121 is disposed in the chamber. The damping spring block 13 is provided in the chamber. The outer case 121 is connected to the seat plate 111 through a vibration-damping elastic block 13. The limiting member 14 is disposed on the surrounding plate 112 and abuts against the outer housing 121, so that the damping elastic block 13 is located between the seat plate 111 and the outer housing 121 in a pre-tightening compression state. One end of the connecting shaft 16 penetrates through the outer shell 121 and extends into the outer shell 121, and the other end of the connecting shaft 16 is used for being in limit fit with the main structure 40 of the vehicle through the positioning piece 17. The stator assembly 15 is fixedly disposed on the connecting shaft 16, and the outer housing 121 is rotatably disposed on the connecting shaft 16 through a bearing.

Referring to fig. 3 to 5, further, the pre-tightening force of the vibration damping elastic block 13 is 300N to 1500N. So, can realize that the rotor subassembly is installed comparatively steadily on mount pad 11, can guarantee that mount pad 11 and rotor subassembly keep setting up with the axle center, can avoid the adverse effect because of the installation off-centre brings in axle head power generation facility 10 operation process. In addition, it should be noted that the precompression rate of the damping elastic block 13 is generally controlled to be 5% to 25%, and when there is a certain amount of precompression rate after the damping elastic block 13 is installed between the seat plate 111 and the outer casing 121, the damping elastic block 13 generates a pre-tightening force accordingly, and the pre-tightening force is in direct proportion to the precompression rate.

Referring to fig. 3 to 5, in one embodiment, the vibration-damping elastic block 13 is a wear-resistant rubber block. So, when adopting wear-resisting rubber piece, the heat conductivity is extremely low, plays thermal-insulated effect, avoids the heat that the rotor subassembly produced to produce the hotbox phenomenon on transmitting axletree 30 through mount pad 11. It is understood that the damping elastic block 13 may also be a silicon block, a plastic block, or other elastic blocks, which are not limited herein.

Referring to fig. 3 to 5, in one embodiment, the rotor assembly further includes a magnet 122 fixedly disposed on the outer housing 121. Stator assembly 15 includes a locating sleeve 151 and an injection molded coil 152. The locating sleeve 151 is fixedly arranged on the connecting shaft 16, and the injection molding coil 152 is arranged on the locating sleeve 151. Thus, when the rotor assembly and the stator assembly 15 rotate with each other, power generation using kinetic energy generated by the rotational movement of the axle 30 can be realized.

It is understood that, in the shaft-end power generation device 10, the installation positions of the magnet 122 and the injection coil 152 may be inter-modulated, and power generation may be performed by utilizing kinetic energy generated by the rotational motion of the axle 30.

Referring to fig. 3 to 5, in the shaft end power generation device 10, the outer housing 121 includes a first split housing 1211 and a second split housing 1212 which are spliced together. The first split case 1211 abuts against the vibration damping elastic block 13, and the second split case 1212 abuts against the stopper 14. Thus, the first split case 1211 and the second split case 1212 are opened, the magnet 122 can be mounted on the inner wall of the outer case 121, and the stator assembly 15 can be mounted inside the outer case 121. Further, since the first split case 1211 is in close interference fit with the vibration damping elastic block 13, the stopper 14 restricts the position of the second split case 1212 in the axial direction, and the first split case 1211 is firmly combined with the second split case 1212 by a pre-load force of the vibration damping elastic block 13 itself. Specifically, the first split case 1211 is provided with a plurality of magnets 122 at intervals around the axial center thereof, and the second split case 1212 is provided with a plurality of magnets 122 at intervals around the axial center thereof.

Referring to fig. 3 to 5, in one embodiment, the bearing includes a first bearing 181 and a second bearing 182. A second recess 1213 corresponding to the first bearing 181 is provided in a middle portion of an inner wall surface of the first split case 1211, and a third recess 1214 corresponding to the second bearing 182 is provided in a middle portion of an inner wall surface of the second split case 1212. The first bearing 181 is housed in the second recess 1213, and the second bearing 182 is housed in the third recess 1214. Thus, the outer housing 121 is rotatably disposed on the connecting shaft 16 through the first bearing 181 and the second bearing 182, and the rotating effect on the connecting shaft 16 is relatively stable.

Referring to fig. 3 to 5, in detail, the second recess 1213 is formed by the middle portion of the first split case 1211 protruding toward the vibration damping elastic block 13, and the third recess 1214 is formed by the middle portion of the second split case 1212 protruding away from the vibration damping elastic block 13, so that the weight of the first and

second split cases

1211 and 1212 can be reduced.

Referring to fig. 3-5, in one embodiment, a flange 1215 is circumferentially disposed around the outer wall of outer housing 121, and flange 1215 is in interference engagement with the inner wall of shroud 112. Thus, the flange 1215 contacts the inner wall of the shroud 112 to position the outer housing 121, such that the axis of the outer housing 121 is aligned with the axis of the mounting seat 11, thereby enabling the outer housing 121 to be stably mounted in the mounting seat 11.

Referring to fig. 3 to 5, in an embodiment, the position-limiting member 14 is a retaining ring, a groove 1121 is formed around the inner wall of the enclosure plate 112, the retaining ring is disposed in the groove 1121, and a portion of the retaining ring protrudes out of the groove 1121 and abuts against the flange 1215. Thus, the retainer ring is abutted against and fixed to the flange 1215 to limit the movement of the outer housing 121 along the axial direction of the mounting seat 11. Specifically, the retainer ring is a wire retainer ring, a wire ring, a copper wire ring, or the like, and is not limited herein.

The outer housing 121 illustrated in fig. 4 and 5 has not yet been tightly pressed against the damper elastomeric block 13, and thus the second arcuate recessed surface 1216 has not moved to a position co-circular with the first arcuate recessed surface. In one embodiment, the axial cross-section of the retainer ring is a circular or elliptical surface. The inner wall surface of the recess 1121 is a first arc concave surface and is adapted to the wall surface of the retaining ring. The flange 1215 is provided with a second concave arcuate surface 1216 at a portion thereof that contacts the retaining ring, the second concave arcuate surface 1216 being adapted to a wall surface of the retaining ring. In this way, the retainer ring is stably seated in the groove 1121 and abuts against the flange 1215 of the outer housing 121, so that the outer housing 121, the vibration-damping resilient block 13, and the mount 11 are stably fixed together. In addition, the retainer ring can be easily pulled out of the groove 1121 through the material outlet 1122.

Referring to fig. 3-5, in one embodiment, the first arcuate recessed surface may be, for example, a 180 degree arcuate recessed surface having a radius of 2mm, the second arcuate recessed surface 1216 may be, for example, a 90 degree arcuate recessed surface having a radius of 2mm, and the first arcuate recessed surface and the second arcuate recessed surface 1216 may be adapted to receive a retaining ring having an axial cross-sectional radius of 2mm when aligned together in a corresponding mating relationship.

Referring to fig. 3 to 5, in one embodiment, the enclosing plate 112 is provided with a material taking opening 1122, and the material taking opening 1122 is communicated with the groove 1121. The retainer ring is provided with a notch section. Since the retaining ring is provided with the notch section, the retaining ring is not in an annular closed structure, so that the retaining ring can be drawn out from the groove 1121 through the material taking opening 1122, and thus the shaft-end power generation device 10 can be disassembled and assembled.

Referring to fig. 3 to fig. 5, further, the material taking ports 1122 are multiple, and the multiple material taking ports 1122 are arranged on the surrounding plate 112 at intervals. Thus, according to practical situations, the position-limiting member 14 can be selectively taken out of the groove 1121 through one of the material-taking ports 1122, and the operation of taking out the position-limiting member 14 is convenient. Specifically, the material inlet 1122 is specifically three, for example, and the three material inlets 1122 are provided around the surrounding plate 112 at equal intervals. Of course, the number of the material outlets 1122 may be one, two, four or other number, which is not limited herein.

It should be noted that the limiting member 14 is not limited to adopt the above-mentioned retaining ring, and is also not limited to set the retaining ring in the groove 1121, and may also be other structural members that can be used for limiting the outer shell 121, for example, a plurality of insertion holes may be set on the enclosing plate 112, and the limiting member 14 movably set in the insertion holes, and whether the limiting member 14 limits the outer shell 121 is realized by changing the position of the limiting member 14.

Referring to fig. 3 to 5, in one embodiment, the positioning member 17 includes a positioning main plate 171 and two positioning support plates 172 respectively connected to two ends of the positioning main plate 171. The positioning main plate 171 is connected with the connecting shaft 16, and the positioning support plate 172 is used for being in limit fit with the main structure 40 of the vehicle.

Referring to fig. 3-5, in one embodiment, the ends of the positioning plate 172 are adapted to engage in contact with the bottom surface of the load-bearing saddle of the body structure 40. Thus, the ends of the two positioning support plates 172 contact with and cooperate with the bottom surface of the bearing saddle, so that the bearing saddle can limit the two positioning support plates 172, and the positioning support plates 172 are prevented from rotating along with the mounting seat 11.

Referring to fig. 3 to 5, further, a vibration damping buffer layer 173 is disposed on an end surface of the positioning plate 172 away from the positioning main plate 171, and the positioning plate 172 is adapted to be in contact with the bottom surface of the bearing adapter through the vibration damping buffer layer 173. Specifically, the damping cushion 173 is made of, for example, a damping brush, rubber, or other elastic material. In this way, the vibration damping buffer layer 173 can buffer vibration and impact from the outside or on the vehicle, so that the installation stability of the shaft end power generation device 10 on the end of the axle 30 can be ensured, and continuous and stable power supply for electric equipment on the railway vehicle can be realized.

Further, a first shaft hole for the connection shaft 16 to pass through is provided on the outer housing 121, and a second shaft hole 1711 for the connection shaft 16 to pass through is provided on the positioning main plate 171. A damping shaft sleeve 183 is arranged in the second shaft hole 1711, and the damping shaft sleeve 183 is sleeved on the connecting shaft 16. So, location mainboard 171 is located on connecting axle 16 through damping axle sleeve 183 cover, through vibration and the impact on damping axle sleeve 183 buffering comes from the external world or the vehicle like this to improve axle head power generation facility 10's stability, prolong axle head power generation facility 10's life.

Further, the outer wall surface of the damper sleeve 183 conforms to the inner wall surface of the second shaft hole 1711, and the inner wall surface of the damper sleeve 183 conforms to the outer wall surface of the connecting shaft 16. The outer wall surface of the damper sleeve 183 is a non-circular surface, and the inner wall surface of the damper sleeve 183 is a non-circular surface. Therefore, the damping bushing 183 cannot rotate relative to the connecting shaft 16, the damping bushing 183 is firmly combined with the connecting shaft 16, the damping bushing 183 cannot rotate relative to the positioning main plate 171, and the damping bushing 183 is firmly combined with the positioning main plate 171, so that the connecting shaft 16 and the positioning main plate 171 are fixed together. The term "non-circular surface" means not a circular surface, but any other shape may be used, for example, an oval shape, a square shape, a trapezoidal shape, a triangular shape, etc., and is not limited to these and is not intended to be listed.

In one embodiment, the shaft-end power-generation device 10 further includes a protective shell 19. The protective shell 19 covers the positioning member 17 and the outer shell 121. Thus, the protective shell 19 protects both the positioning member 17 and the outer shell 121.

It should be noted that the protective shell 19 of the present embodiment has certain strength and certain elasticity, can bear certain impact, and can also be deformed when being hit by a foreign object, so as to primarily buffer the external objects such as flying stones from the outside.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A shaft end power generation device is provided with a mounting seat, a rotor assembly, a vibration damping elastic block and a limiting piece, wherein the mounting seat is fixedly arranged at the end part of a vehicle shaft; its characterized in that, axle head power generation facility's dismouting frock includes:

the clamping assembly is used for clamping the mounting seat;

the support is provided with a threaded through hole matched with the screw rod, the screw rod is arranged in the threaded through hole, and the support is connected with the clamping assembly;

the driving piece is connected with the screw rod and used for driving the screw rod to rotate, the screw rod is used for driving the pushing seat to move, and the pushing seat is used for being in interference fit with the outer shell;

the disassembly and assembly tool for the shaft end power generation device further comprises a thrust bearing arranged on the thrust seat, and the screw rod is sleeved in the thrust bearing;

a first concave part and a rotating hole extending from the bottom wall of the first concave part to the side surface of the substrate departing from the support are arranged on the side surface of the substrate of the pushing seat facing the support; the screw rod comprises a main body section and a first auxiliary section coaxially connected with the main body section, the diameter of the first auxiliary section is smaller than that of the main body section, the first auxiliary section is rotatably arranged in the rotating hole, the thrust bearing is sleeved on the first auxiliary section and is positioned in the first concave part, the thrust bearing is abutted against the end face of the main body section, and the screw rod is also abutted against the side face of the substrate, which is far away from the support, through the anti-falling assembly;

when the shaft end power generation device is disassembled and assembled, the clamping assembly clamps the mounting seat, and the driving piece drives the screw rod to rotate; the screw rod drives the pushing seat to move towards the direction of the outer shell, and the outer shell extrudes the vibration-damping elastic block; and after the screw rod moves in place, the screw rod stops being driven to rotate, and the limiting part is disassembled and assembled on the mounting seat.

2. The shaft end power generation device dismounting tool according to claim 1, wherein the lead screw is provided with a mark.

3. The shaft end power generation device dismounting tool according to claim 1, wherein the pushing seat comprises a base plate and more than two contact bodies connected with the base plate; the contact body is used for being in contact with the outer shell.

4. The tool for disassembling and assembling the shaft-end power generation device according to claim 3, wherein two or more of the contact bodies are arranged around the base plate at intervals in the circumferential direction.

5. The shaft end power generation device dismounting tool according to claim 1, wherein the driving member comprises a driving motor, and the driving motor is connected with the screw rod and used for driving the screw rod to rotate.

6. The shaft end power generation device assembling and disassembling tool according to claim 1, wherein the screw rod further comprises a second auxiliary section coaxially connected with the first auxiliary section; the diameter of the second auxiliary section is smaller than the diameter of the first auxiliary section; the anti-falling component comprises an anti-falling nut and a wear-resistant base plate which are sleeved on the second auxiliary section, one side surface of the wear-resistant base plate is abutted to the end surface of the main body section far away from the first auxiliary section, and the other side surface of the wear-resistant base plate is abutted to the anti-falling nut.

7. The shaft end power generation device dismounting tool according to claim 1, wherein the driving member comprises a handle, and the handle is arranged at one end of the screw rod, which is far away from the pushing seat.

8. The shaft-end power generation device disassembly and assembly tool as claimed in claim 1, wherein the screw rod is provided with two limit positioning blocks, and the two limit positioning blocks are respectively located at two sides of the support.

9. The assembling and disassembling tool for the shaft-end power generating device according to any one of claims 1 to 8, wherein the clamping assembly includes more than two clamping jaws, one end of each clamping jaw is rotatably connected with the support, and the other end of each clamping jaw is clamped in a clamping hole of the mounting seat.

10. A method for dismounting an axial end power generation device, which is characterized in that the tool for dismounting an axial end power generation device according to any one of claims 1 to 9 is adopted, and comprises the following steps:

clamping the mount by the clamping assembly such that the bracket remains in relatively fixed relation to the mount;

the driving piece drives the screw rod to rotate, the screw rod correspondingly drives the pushing seat to move towards the direction close to the outer shell, and the pushing seat enables the outer shell to extrude the vibration reduction elastic block;

when the screw rod moves to the right position, the screw rod stops being driven to rotate, the position of the screw rod and the mounting seat are kept relatively fixed, and the limiting piece is mounted and dismounted on the mounting seat.