CN215154655U - Brake shoe angle adjusting device - Google Patents
Brake shoe angle adjusting device Download PDFInfo
- Publication number
- CN215154655U CN215154655U CN202120217782.XU CN202120217782U CN215154655U CN 215154655 U CN215154655 U CN 215154655U CN 202120217782 U CN202120217782 U CN 202120217782U CN 215154655 U CN215154655 U CN 215154655U
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- balance
- brake shoe
- brake
- lever
- spring
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Abstract
The utility model discloses a brake shoe angular adjustment device, a serial communication port, include: the lever backup pad, the setting is on the brake lever, the through-hole, set up in the lever backup pad, the balance screw rod, wear to establish in the through-hole in the slip, the one end rotation of balance screw rod is connected on the brake head, the other end threaded connection of balance screw rod has adjusting nut, first balance spring, the setting is between the one end of lever backup pad and balance screw rod, second balance spring, the elasticity of second balance spring and first balance spring is unanimous, the setting is between lever backup pad and adjusting nut, this adjusting device can adjust the brake shoe for the angle of wheel, solve brake shoe adjusting device jamming, the deformation, crackle scheduling problem appears, and become the flexonics through first balance spring and second balance spring with the rigid contact, reduce the damage of brake to adjusting device.
Description
Technical Field
The utility model belongs to the technical field of locomotive arresting gear, more specifically relates to a brake shoe angular adjustment device.
Background
With the continuous development of the locomotive technology in China, the reliability of the operation of the locomotive and the convenience of maintenance are more important. In the process of newly manufacturing the original rolling stock, the problems of clamping stagnation, deformation, cracks and the like always occur in the brake shoe angle adjusting device after the foundation brake device is assembled, the sections are generally treated by repair welding, accessory replacement, reinforcing rib welding and the like, the operation is complicated, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a brake shoe angular adjustment device to the not enough that exists among the prior art, this adjusting device can be adjusted the angle of brake shoe for the wheel, solves brake shoe adjusting device and appears jamming, deformation, crackle scheduling problem to become the flexonics with the rigid contact through first balance spring and second balance spring, reduce the damage of brake braking to adjusting device.
In order to achieve the above object, the utility model provides a brake shoe angle adjusting device, include:
the lever supporting plate is arranged on the brake lever;
the through hole is formed in the lever supporting plate;
the balance screw rod is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod is rotatably connected to the brake head, and the other end of the balance screw rod is in threaded connection with an adjusting nut;
a first balance spring disposed between the lever support plate and the one end of the balance screw;
and the second balance spring has the same elastic force as the first balance spring and is arranged between the lever support plate and the adjusting nut.
Optionally, a flat washer is sleeved on the balance screw, and the flat washer is located between the second balance spring and the adjusting nut.
Optionally, the other end of the balance screw is provided with an anti-falling structure.
Optionally, the anti-dropping structure comprises a cotter pin, and the cotter pin is arranged at the other end of the balance screw in a penetrating manner.
Optionally, a balance pin shaft is arranged on the brake shoe, a circular ring is arranged at one end of the balance screw rod, and the circular ring is sleeved on the balance pin shaft.
Optionally, both ends of the first balance spring are provided with spring seats, and the spring seats are conical or hemispherical.
Optionally, the lever support plate is disposed at a lower end of the brake lever, and the one end of the balance screw is rotatably connected to a lower end of the brake head.
Optionally, a shaft sleeve is sleeved on the balance pin shaft, and the circular ring is sleeved on the shaft sleeve.
Optionally, the threaded rod includes a connecting portion, a sliding portion and a threaded portion, the connecting portion is rotatably connected to the brake head, the sliding portion is slidably connected to the through hole, and the nut is threadedly connected to the threaded portion.
The utility model provides a brake shoe angular adjustment device, its beneficial effect lies in:
1. the adjusting device can adjust the angle of the brake shoe relative to the wheel, solves the problems of clamping stagnation, deformation, cracks and the like of the brake shoe adjusting device, changes rigid contact into flexible contact through the first balance spring and the second balance spring, and reduces the damage of brake braking to the adjusting device;
2. the adjusting device limits the first balance spring by mounting spring seats at two ends of the first balance spring, so that the center of the first balance spring is superposed with the center of the balance screw rod;
3. the adjusting device gradually adjusts the brake shoe from a head-up state to a state of uniform clearance with the wheel up and down through the adjusting nut;
4. the adjusting device avoids the adjusting nut from falling off through the anti-falling structure.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of a brake shoe angle adjusting device according to an embodiment of the present invention.
Description of reference numerals:
1. a lever support plate; 2. a balance screw; 3. adjusting the nut; 4. a first balance spring; 5. a second balance spring; 6. a cotter pin; 7. a balance pin shaft; 8. a spring seat.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 shows a schematic structural diagram of a brake shoe angle adjusting device according to an embodiment of the present invention.
As shown in fig. 1, a shoe angle adjusting device includes:
the lever supporting plate 1 is arranged on the brake lever;
the through hole is formed in the lever support plate 1;
the balance screw rod 2 is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod 2 is rotatably connected to the brake head, and the other end of the balance screw rod 2 is in threaded connection with an adjusting nut 3;
a first balance spring 4 disposed between the lever support plate 1 and one end of the balance screw 2;
the second balance spring 5, the second balance spring 5 and the first balance spring 4 have the same elasticity, and are arranged between the lever support plate 1 and the adjusting nut 3.
Concretely, the lever supporting plate 1 is fixed on the brake lever, and is in sliding connection with the balance screw rod 2 through the through hole, the brake shoe is gradually adjusted to be in a state of being even with the vertical clearance of the wheel from the head-up state through the adjusting nut 3, the rigid contact is changed into the flexible contact through the balance screw rod 2 in cooperation with the first balance spring 4 and the second balance spring 5, the damage of the brake to the adjusting device is reduced, the adjustment of the brake shoe relative to the angle of the wheel is completed, and the problems of clamping stagnation, deformation, cracks and the like of the conventional brake shoe adjusting device are solved
In this embodiment, the balance screw 2 is sleeved with a flat washer, and the flat washer is located between the second balance spring 5 and the adjusting nut 3.
In this embodiment, the other end of the balance screw 2 is provided with a retaining structure.
Specifically, the adjusting nut 3 is prevented from moving and displacing through the anti-disengaging structure.
In this embodiment, the anti-slip structure includes a cotter 6, and the cotter 6 is inserted into the other end of the balance screw 2.
In this embodiment, a balance pin 7 is provided on the brake shoe, and a ring is provided at one end of the balance screw 2 and sleeved on the balance pin 7.
Specifically, the balance pin shaft 7 is rotatably connected with the circular ring, so that the balance screw 2 can drive the brake shoe conveniently.
In the present embodiment, the two ends of the first balance spring 4 are both provided with spring seats 8, and the spring seats 8 are conical or hemispherical.
Specifically, the first balance spring 4 and the second balance spring 5 are concentric with the balance screw 2 via the spring seat 8.
Further, both ends of the second balance spring 5 are also provided with spring seats 8.
In this embodiment, the lever support plate 1 is disposed at the lower end of the brake lever, and one end of the balance screw 2 is rotatably connected to the lower end of the brake head.
In this embodiment, the shaft sleeve is sleeved on the balance pin 7, and the circular ring is sleeved on the shaft sleeve.
Specifically, the friction force between the circular ring and the balance pin shaft 7 is reduced through the shaft sleeve, and the rotation is facilitated.
In this embodiment, the threaded rod includes a connecting portion, a sliding portion, and a threaded portion, the connecting portion being rotatably connected to the brake head, the sliding portion being slidably connected to the through hole, and the nut being threaded on the threaded portion.
When this embodiment adjusting device uses, use the installation as an example, install lever backup pad 1 on the brake lever, install balance pin 7 on the brake head holds in the palm, establish first balance spring 4 cover on balance screw 2, later establish the ring cover on balance pin 7, balance screw 2 runs through the through-hole simultaneously, first balance spring 4 card is between lever backup pad 1 and ring, later install first balance spring 4 in proper order, the plain washer, adjusting nut 3 and split pin 6, make the brake shoe gradually adjust to with the wheel about the clearance uniform state from the head state of rising through adjusting nut 3 after the installation is accomplished, make brake shoe and wheel laminate with optimal state, conveniently adjust the angle of brake shoe for the wheel, solve brake shoe adjusting device and appear the jamming, the deformation, crackle scheduling problem.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. A shoe angle adjustment device, comprising:
the lever supporting plate is arranged on the brake lever;
the through hole is formed in the lever supporting plate;
the balance screw rod is slidably arranged in the through hole in a penetrating mode, one end of the balance screw rod is rotatably connected to the brake head, and the other end of the balance screw rod is in threaded connection with an adjusting nut;
a first balance spring disposed between the lever support plate and the one end of the balance screw;
and the second balance spring has the same elastic force as the first balance spring and is arranged between the lever support plate and the adjusting nut.
2. The brake shoe angle adjustment device of claim 1, wherein said balance screw is sleeved with a flat washer, said flat washer being located between said second balance spring and said adjustment nut.
3. The brake shoe angle adjustment device of claim 1, wherein said other end of said balance screw is provided with a retaining structure.
4. The brake shoe angle adjustment device of claim 3, wherein the anti-slip structure comprises a cotter pin, and the cotter pin is arranged at the other end of the balance screw in a penetrating way.
5. The brake shoe angle adjusting device of claim 1, wherein the brake shoe is provided with a balance pin, the one end of the balance screw is provided with a ring, and the ring is sleeved on the balance pin.
6. The brake shoe angle adjustment device of claim 1, wherein the first balance spring is provided with spring seats at both ends, and the spring seats are conical or hemispherical.
7. The brake shoe angle adjustment assembly of claim 1, wherein said lever support plate is disposed at a lower end of said brake lever, said one end of said balance screw being pivotally connected to a lower end of said brake head.
8. The brake shoe angle adjusting device of claim 5, wherein the balance pin is sleeved with a bushing, and the ring is sleeved on the bushing.
9. The brake shoe angle adjustment device of claim 1, wherein the balance screw comprises a connecting portion, a sliding portion and a threaded portion, the connecting portion is rotatably connected to the brake head, the sliding portion is slidably connected to the through hole, and the adjusting nut is threaded to the threaded portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217782.XU CN215154655U (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217782.XU CN215154655U (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215154655U true CN215154655U (en) | 2021-12-14 |
Family
ID=79407803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120217782.XU Active CN215154655U (en) | 2021-01-26 | 2021-01-26 | Brake shoe angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215154655U (en) |
-
2021
- 2021-01-26 CN CN202120217782.XU patent/CN215154655U/en active Active
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