CN210060972U - Tool for press fitting of brake disc of rail train - Google Patents
Tool for press fitting of brake disc of rail train Download PDFInfo
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- CN210060972U CN210060972U CN201920789621.0U CN201920789621U CN210060972U CN 210060972 U CN210060972 U CN 210060972U CN 201920789621 U CN201920789621 U CN 201920789621U CN 210060972 U CN210060972 U CN 210060972U
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- brake disc
- vertical wall
- reference surface
- frame body
- friction
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Abstract
The utility model discloses a frock for rail train brake disc pressure equipment, it includes frame body and locking part, the frame body includes reference surface and reference surface, and the distance between reference surface and the reference surface equals the distance of the non-friction vertical face of brake disc and the friction quotation before not wearing and tearing; before the old brake disc is reassembled, the tool provided by the text is installed on the old brake disc, during installation, the reference surface of the tool is matched with the non-friction vertical surface of the old brake disc, then the tool is locked on the old brake disc by the locking component, and the position of the reference surface of the tool is equivalent to the friction disc surface of a standard brake disc. Utilize the pressure equipment that detection part direct detection frock reference surface such as laser can accomplish old brake disc in the position during brake disc equipment, utilize the frock to restore the installation of old brake disc to the installation of standard brake disc promptly, need not to measure the loss of old brake disc, can realize quick installation to the pressure equipment position is accurate.
Description
Technical Field
The utility model relates to a motor car reel pressure equipment technical field, in particular to frock for rail train brake disc pressure equipment.
Background
Generally, the rail train needs to return to the factory for high-grade maintenance once every 60 kilometers of operation, the maintenance is divided into different grades, the standard requirements of each grade are not described in detail here, and the existing standard can be further referred.
When the wheel set is subjected to four-level maintenance and five-level maintenance, the axle box bearing needs to be disassembled, a certain amount of axle journal scratches, over-limit axle journal size and over-limit dust guard seat size can appear after the axle box bearing is disassembled, the axle scrapping proportion is 14%, and the trailer axle scrapping proportion accounts for 7% of the total axle scrapping proportion. Sometimes when the axle is scrapped, the brake disc does not reach the wear limit, that is to say the brake disc can continue to be used. However, the disc surface of the brake disc is worn, and before the brake disc is mounted on the axle, it is necessary to determine the amount of wear of the brake disc to determine the mounting reference dimension, and then assemble the brake disc on the axle according to the mounting reference dimension after the wear.
The prior art determines the abrasion loss of the brake disc very time-consuming and inaccurate in measurement, so that the installation efficiency of the old brake disc is seriously hindered, and the safety performance of train operation is influenced due to the fact that the brake disc is often installed in place.
Therefore, how to improve the efficiency of remounting the brake disc with loss on the axle and the accuracy of the mounting position is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frock for rail train brake disc pressure equipment, including the frame body and locking part, the frame body includes:
a reference surface for mating with a non-friction vertical surface on the brake disc;
the reference surface is parallel to the reference surface and is positioned on the outer surface of the frame body, and the distance between the reference surface and the reference surface is equal to the distance between the non-friction vertical surface of the brake disc and the surface of the friction disc before the brake disc is worn;
the locking component is used for locking or unlocking the positions of the frame body and the brake disc.
Before the old brake disc is reassembled, the tool provided by the text is installed on the old brake disc, during installation, the reference surface of the tool is matched with the non-friction vertical surface of the old brake disc, then the tool is locked on the old brake disc by the locking component, and the position of the reference surface of the tool is equivalent to the friction disc surface of a standard brake disc. Utilize the pressure equipment that detection part direct detection frock reference surface such as laser can accomplish old brake disc in the position during brake disc equipment, utilize the frock to restore the installation of old brake disc to the installation of standard brake disc promptly, need not to measure the loss of old brake disc, can realize quick installation to the pressure equipment position is accurate.
Optionally, the frame body includes a first vertical wall and a second vertical wall that are parallel to each other, and a transverse wall connected between the first vertical wall and the second vertical wall, the transverse wall, the first vertical wall, and the second vertical wall enclose a frame body with a downward opening, the opening width is greater than the brake disc width, an upper boss and a lower boss are arranged on an inner surface of the first vertical wall, and the reference surface is an inner surface of the lower boss; when the brake disc is installed and used, a space which is matched and clamped with the outer edge annular step surface and the inner edge annular step surface of the brake disc is formed between the upper boss and the lower boss.
Optionally, the reference surface is a vertical step surface formed between the transverse wall and the first vertical wall.
Optionally, the locking component includes a bolt, one of the first vertical wall and the second vertical wall is provided with an axial threaded through hole, and the bolt is mounted in the threaded through hole.
Optionally, the locking component further comprises a wear-resistant block mounted at an inner end of the bolt passing through the threaded through hole.
Optionally, the wear-resistant block is a copper block.
Optionally, the locking component further includes a screw, one of the lower end portions of the first vertical wall and the second vertical wall, which is close to the opening, is provided with an axial through hole, the other one is provided with a threaded hole, and a threaded end portion of the screw penetrates through the axial through hole to be in threaded fit with the threaded hole.
Optionally, the outer end of the screw has a handle for facilitating rotational operation.
Optionally, the first vertical wall, the second vertical wall and the transverse wall are provided with lightening holes.
Drawings
Fig. 1 is a schematic structural view of a tool for press fitting of a brake disc of a rail train according to a first embodiment of the present invention;
FIG. 2 is a three-dimensional schematic view of the tooling shown in FIG. 1 in another orientation;
fig. 3 is a schematic structural diagram of a frame body according to an embodiment of the present invention;
fig. 4 is a schematic view of the tool of the present invention in a use state;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
Wherein, in fig. 1 to 5:
1-a frame body; 1 a-reference surface; 1 b-a reference plane; 1 c-upper boss; 1 d-lower boss; 11-a first standing wall; 11 a-lightening holes; 11 b-axial through hole; 12-a second standing wall; 12 a-lightening holes; 12 b-threaded through hole; 12 c-axial through hole; 13-transverse wall; 13 a-lightening holes;
2-bolt; 3-a screw; 4-operating a handle; 5-a handle; 6-wear-resistant blocks;
10-a brake disc; 101-friction disc surface; 102-inner edge vertical non-friction surface; 103-outer edge vertical non-friction surface; 104-outer edge annular step surface.
20-axle.
Detailed Description
In order to solve the technical problem of "the brake disc is installed and positioned again inefficiently due to the wear of the old brake disc" in the background art, intensive research is carried out herein, and a technical solution for solving the technical problem to improve the accurate and fast reinstallation and positioning of the old brake disc is proposed.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a tooling for press-fitting a brake disc of a rail train according to a first embodiment of the present invention; FIG. 2 is a three-dimensional schematic view of the tooling shown in FIG. 1 in another orientation; fig. 3 is a schematic structural diagram of a frame body according to an embodiment of the present invention; fig. 4 is a schematic view of the tool of the present invention in a use state.
The invention provides a tool for press mounting of a brake disc 10 of a rail train, which comprises a frame body 1 and a locking component. The frame body 1 includes a reference surface 1a and a reference surface 1b, the reference surface 1a is used for cooperating with a non-friction vertical surface on a brake disc, it should be noted that, in this document, the brake disc 10 is used as a reference, the axial direction of the brake disc 10 is arranged horizontally, and the friction disc surface 101 of the brake disc 10 is arranged vertically.
It should be further noted that the brake disc 10 includes a disc body having a through hole in the middle, the through hole is used for being installed in cooperation with the axle 20, and two side surfaces of the disc body are friction disc surfaces 101 for being used for cooperating with braking. The inner circumferential edge of the friction plate face 101 adjacent the through-hole is recessed inwardly to form an inner edge vertical non-friction face 102, i.e., the inner edge vertical non-friction face 102 is parallel to the friction plate face, but the inner edge vertical non-friction face 102 is below the friction plate face 101, so that the inner edge vertical non-friction face 102 is not worn by contact during the friction braking operation of the brake disc 10.
The non-friction vertical surface is a vertical surface which is recessed inwards and does not generate abrasion in the use process, and specifically comprises an inner edge vertical non-friction surface 102 positioned at the inner edge of the brake disc and an outer edge vertical non-friction surface 103 positioned at the outer edge of the brake disc. The outer vertical non-friction surface 103 is recessed inwardly relative to the friction disc surface 101 and an outer annular step surface 104 is formed between the outer vertical non-friction surface 103 and the friction disc surface 101. An inner annular step surface (not shown) is formed between the inner vertical non-friction surface 102 and the friction disc surface 101.
The utility model provides a base level 1b of the frame body 1 is on a parallel with reference surface 1a, and the distance that is located between the surface base level 1b of the frame body 1 and reference surface 1a equals the vertical face of non-friction of brake disc 10 and the distance of friction quotation before wearing and tearing. Namely, the distance between the reference surface 1b and the reference surface 1a of the tool is equal to the distance between the vertical non-friction surface of the inner edge of the standard brake disc and the adjacent friction disc surface of the standard brake disc.
The utility model provides a locking part of frock is used for locking or unblock frame body 1 and the position between the brake disc the two. When the locking component is in a first working state, the tool can be locked on the brake disc 10; when the locking component is in the second working state, the locking state of the tool and the brake disc can be released, and the tool is detached from the brake disc.
There are many ways of constructing the locking member to achieve the above technical effects, which are not listed here, and a specific structure of the locking member will be described in detail later.
Before the old brake disc 10 is reassembled, the tool provided by the text is installed on the old brake disc, during installation, the reference surface 1a of the tool is matched with the non-friction vertical surface of the old brake disc, then the tool is locked on the old brake disc by the locking component, and the position of the reference surface 1b of the tool is equivalent to the friction disc surface of a standard brake disc. Utilize the position that detection part direct detection frock datum plane 1b such as laser can accomplish the pressure equipment of old brake disc during brake disc equipment, utilize the frock to restore the installation of old brake disc 10 to the installation of standard brake disc promptly here, need not to measure the loss of old brake disc, can realize quick installation to the pressure equipment position is accurate.
In one embodiment, the frame body 1 includes a first standing wall 11 and a second standing wall 12 which are parallel to each other, and a lateral wall 13 connected between the first standing wall 11 and the second standing wall 12, the lateral wall 13, the first standing wall 11, and the second standing wall 12 enclose the frame body 1 with an opening facing downward, the opening width is larger than the brake disk width, and a reference surface 1a is provided on an inner surface of the first standing wall 11.
An upper boss 1c and a lower boss 1d are arranged on the inner surface of the first vertical wall 11, the inner surface of the lower boss can be a reference surface 1a, and a space matched and clamped with the outer edge annular step surface 104 and the inner edge annular step surface of the brake disc 10 is formed between the upper boss 1c and the lower boss 1 d. That is, the frame body 1 is engaged with the brake disk via the upper and lower bosses.
Specifically, the upper boss 1c may include a vertical surface and a bottom surface, and when installed, the bottom surface of the upper boss 1c abuts against and is supported by the outer edge annular step surface 104, and the top surface of the lower boss 1d also abuts against the inner edge annular step surface. Of course the vertical faces of the boss 1c may cooperate with the outer edge vertical non-friction face 103 of the brake disc 10. The brake disc plays certain supporting role to the frame body 1, so that the frame body is more stably installed, and the positioning reliability of the reference surface is facilitated.
In order to reduce the weight of the frame body 1 as much as possible, the lateral wall 13, the first vertical wall 11, and the second vertical wall 12 may be formed with lightening holes. For example, lightening holes 11a on the first vertical wall 11, lightening holes 12a on the second vertical wall 12, and lightening holes 13a on the transverse wall 13.
In the above embodiment, the reference surface may be a vertical step surface formed between the first lateral wall 13 and the outer side surface of the first upright wall 11. The transverse wall 13 is connected with the outer side surface of the first vertical wall 11 through a vertical step surface. Thus, good press fitting detection is realized by setting the height of the vertical step surface.
In the above embodiments, the locking member may include the bolt 2, one of the first vertical wall 11 and the second vertical wall 12 is provided with an axial threaded through hole, and the bolt 2 is mounted to the threaded through hole 12 b. The embodiment of the threaded through hole 12b formed in the first vertical wall 11 is described here, but it is also possible to form the threaded through hole in the first vertical wall 11.
The axial threaded through hole 12b may be provided at a position in the middle of the upright wall to improve the stability of locking of the frame body 1.
Through the cooperation of the external screw thread of bolt 2 and the internal thread of screw thread through-hole 12b, rotatory bolt 2 can adjust the position of the relative axial screw thread through-hole of bolt 2, and then realizes that the interior tip of bolt 2 is close to relatively or keeps away from the brake disc, supports to lean on the brake disc and can realize that frame body 1 and brake disc are relative to be locked, and the separation of the interior tip of bolt 2 and brake disc can realize that frame body 1 and brake disc separate the unblock.
In order to minimize contact wear of the inner end portion of the bolt 2 with the friction disc surface of the brake disc, the locking component in the embodiments described herein may further include a wear-resistant block 6, and the wear-resistant block 6 is mounted to the inner end portion of the bolt 2 passing through the threaded through hole.
The wear-resistant block 6 may be a copper block, but may also be another wear-resistant material.
For the convenience of operation, the head of the outer end of the bolt 2 can be provided with an operating handle, and the operating handle can be in a wheel structure so as to be convenient for operation by using a tool.
In the above embodiments, the locking component may further include a screw rod 3, one of the first vertical wall 11 and the second vertical wall 12 is provided with an axial through hole, the other one is provided with a threaded hole, and a threaded end of the screw rod 3 passes through the axial through hole to be in threaded fit with the threaded hole. Fig. 1 shows an embodiment in which a threaded hole 11b is formed in the first vertical wall 11, and an axial through hole 12c is formed in the second vertical wall 12.
Similarly, in order to facilitate the operation of the screw rod 3, the outer end part of the screw rod 3 is provided with a handle 5 for facilitating the rotation operation, and the form of the handle 5 can be similar to the structure of the operation handle 4 arranged at the head part of the bolt 2.
The bolt 2 can be located at the middle position of the vertical wall, and the screw rod 3 is located at the lower end part of the vertical wall, and the bolt and the screw rod are arranged at proper positions to realize reliable locking of the frame body 1.
It should be further explained that the brake disc has a first through hole structure near the circumference of the through hole for fitting with the axle, and when the tool is fixed, the screw rod 3 can pass through the first through hole structure to realize the connection of the two vertical walls.
It is right above the utility model provides a frock for rail train brake disc pressure equipment has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The utility model provides a frock for rail train brake disc pressure equipment which characterized in that, includes frame body (1) and locking part, frame body (1) includes:
a reference surface (1a) for cooperating with a non-friction vertical surface on the brake disc;
the reference surface (1b) is parallel to the reference surface (1a) and is positioned on the outer surface of the frame body (1), and the distance between the reference surface (1b) and the reference surface (1a) is equal to the distance between the non-friction vertical surface of the brake disc and the surface of the friction disc before abrasion;
the locking means are intended to lock or unlock both the frame body (1) and the brake disc position.
2. The tooling for press fitting of the brake disc of the railway train as claimed in claim 1, wherein the frame body (1) comprises a first vertical wall (11) and a second vertical wall (12) which are parallel, and a transverse wall (13) connected between the first vertical wall (11) and the second vertical wall (12), the transverse wall (13), the first vertical wall (11) and the second vertical wall (12) enclose the frame body (1) with an opening facing downwards, the opening width is larger than the width of the brake disc, an upper boss (1c) and a lower boss (1d) are arranged on the inner surface of the first vertical wall (11), and the reference surface (1a) is the inner surface of the lower boss (1 d); when the brake disc is installed and used, a space which is matched and clamped with the outer edge annular step surface (104) and the inner edge annular step surface of the brake disc (10) is formed between the upper boss (1c) and the lower boss (1 d).
3. The tooling for press fitting of a brake disc of a railway train as claimed in claim 2, wherein the reference surface (1b) is a vertical step surface formed between the lateral wall (13) and the outer side surface of the first vertical wall (11).
4. The tooling for press fitting of a railway train brake disc according to claim 2, wherein the locking component comprises a bolt (2), one of the first vertical wall (11) and the second vertical wall (12) is provided with an axial threaded through hole, and the bolt (2) is mounted in the threaded through hole.
5. The tooling for press fitting of a railway train brake disc according to claim 4, wherein the locking component further comprises a wear-resistant block (6), and the wear-resistant block (6) is mounted at the inner end part of the bolt (2) passing through the threaded through hole.
6. The tooling for press fitting of a brake disc of a railway train as claimed in claim 5, wherein the wear-resistant blocks (6) are copper blocks.
7. The tooling for press fitting of a brake disc of a railway train as claimed in claim 4, wherein the locking part further comprises a screw rod (3), one of the lower end parts of the first vertical wall (11) and the second vertical wall (12) close to the opening is provided with an axial through hole, the other one is provided with a threaded hole, and the threaded end part of the screw rod (3) passes through the axial through hole to be in threaded fit with the threaded hole.
8. The tooling for press fitting of brake discs of railway trains according to claim 7, wherein the outer end of the screw (3) is provided with a handle for facilitating the turning operation.
9. The tooling for press fitting of a brake disc of a railway train as claimed in claim 2, wherein the first vertical wall (11), the second vertical wall (12) and the transverse wall (13) are provided with lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789621.0U CN210060972U (en) | 2019-05-28 | 2019-05-28 | Tool for press fitting of brake disc of rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789621.0U CN210060972U (en) | 2019-05-28 | 2019-05-28 | Tool for press fitting of brake disc of rail train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060972U true CN210060972U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920789621.0U Active CN210060972U (en) | 2019-05-28 | 2019-05-28 | Tool for press fitting of brake disc of rail train |
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| Country | Link |
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| CN (1) | CN210060972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026737A (en) * | 2020-09-03 | 2020-12-04 | 中车长春轨道客车股份有限公司 | Brake pad wear limit automatic detection device and installation method thereof |
-
2019
- 2019-05-28 CN CN201920789621.0U patent/CN210060972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026737A (en) * | 2020-09-03 | 2020-12-04 | 中车长春轨道客车股份有限公司 | Brake pad wear limit automatic detection device and installation method thereof |
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