CN217002800U - Wheel emergency brake structure of railway locomotive - Google Patents
Wheel emergency brake structure of railway locomotive Download PDFInfo
- Publication number
- CN217002800U CN217002800U CN202220837164.XU CN202220837164U CN217002800U CN 217002800 U CN217002800 U CN 217002800U CN 202220837164 U CN202220837164 U CN 202220837164U CN 217002800 U CN217002800 U CN 217002800U
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- brake disc
- brake
- main body
- retainer
- disc main
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the field of accessories of railway locomotives, and particularly discloses a wheel emergency brake structure of a railway locomotive, which comprises a retainer, wherein the retainer is provided with a mounting opening, a first brake pad and a second brake pad which are opposite to each other are arranged in the mounting opening, one side of the retainer is provided with a first clamping block connected with the first brake pad, the other side of the retainer is provided with a second clamping block connected with the second brake pad, a clamping opening is formed between the first brake pad and the second brake pad, and a hydraulic cylinder is connected between the first clamping block and the second clamping block; clamping jaw department is equipped with the brake disc, the middle part of brake disc is equipped with the fixed orifices, the brake disc passes through pivot fixed connection on fixed orifices and the wheel, the brake disc is including first brake disc main part, second brake disc main part and linking up first brake disc main part, the circular arc portion of second brake disc main part, be equipped with a plurality of water conservancy diversion holes in the circular arc portion, the heat of overstock in with the brake disc inner chamber in the water conservancy diversion hole in the circular arc portion in time gives off, the life of brake disc and brake block has been improved.
Description
Technical Field
The utility model relates to the field of railway locomotive accessories, in particular to a wheel emergency brake structure of a railway locomotive.
Background
The locomotive is a self-propelled vehicle which pulls or pushes a railway vehicle to run and does not load business load, and is commonly called a locomotive. The railway locomotive mainly comprises a locomotive main body, a power mechanism arranged on the locomotive main body and a roller assembly arranged at the bottom of the locomotive main body, wherein the roller assembly is positioned on a rail, and when the roller assembly needs to be braked in the running process, a corresponding emergency brake structure is needed to complete.
For example, chinese patent publication No. CN207122523U discloses a brake disc for a fast-heat-dissipation motor vehicle, which includes a brake disc body, wherein a cylinder is disposed at an end of the brake disc body, the end of the cylinder is radially bent outward to form a mounting portion, and mounting holes are uniformly distributed on the mounting portion in the circumferential direction; the brake disc body is internally formed with a radiating groove group, the radiating groove group comprises radiating grooves which are circumferentially and uniformly distributed in the brake disc body, the axes of the radiating grooves are vertical and intersected with the axis of the brake disc body, the heads of the radiating grooves outwards extend out of the brake disc body, the tail parts of the radiating grooves are communicated with an annular cavity arranged in the brake disc body, the side wall of the annular cavity is provided with an air channel communicated with a central hole of the brake disc, the inner wall of the central hole is provided with an air hole communicated with the air channel, and the air hole extends out of the brake disc body.
Through the understanding to the correlation technique, current braking system has the poor and insecure problem of emergency braking of radiating effect in actual use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a wheel emergency brake structure of a railway locomotive.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a wheel emergency brake structure of a railway locomotive comprises a retainer, wherein a mounting opening is formed in the retainer, a first brake pad and a second brake pad which are opposite to each other are arranged in the mounting opening, a first clamping block connected with the first brake pad is arranged on one side of the retainer, a second clamping block connected with the second brake pad is arranged on the other side of the retainer, a clamping opening is formed between the first brake pad and the second brake pad, and a hydraulic cylinder is connected between the first clamping block and the second clamping block;
the clamping opening is provided with a brake disc, the middle part of the brake disc is provided with a fixing hole, and the brake disc is fixedly connected with a rotating shaft on the wheel through the fixing hole.
Further, the fixing holes are plum blossom holes.
Furthermore, the retainer is provided with a heat dissipation groove.
Furthermore, a plurality of heat dissipation through holes are formed in the brake disc.
Furthermore, the retainer is provided with a fastening bolt.
Further, the brake disc comprises a first brake disc main body, a second brake disc main body and an arc part connected between the first brake disc main body and the second brake disc main body, and a plurality of flow guide holes are formed in the arc part.
Furthermore, the heat dissipation through holes are formed in the first brake disc main body and the second brake disc main body, and the flow guide holes are communicated with the inner cavity between the first brake disc main body and the second brake disc main body.
Further, the first brake block and the second brake block are positioned on two sides of the brake disc.
Further, the circular arc portion extends in the edge circumference of first brake disc main part, second brake disc main part, and a plurality of water conservancy diversion holes evenly arrange in the circumference on the circular arc portion.
Furthermore, first brake disc main part, second brake disc main part and circular arc portion integrated into one piece.
The utility model has the beneficial effects that: 1. a first clamping block connected with a first brake pad is arranged on one side of the retainer, a second clamping block connected with a second brake pad is arranged on the other side of the retainer, a clamping opening is formed between the first brake pad and the second brake pad, a hydraulic cylinder is connected between the first clamping block and the second clamping block, the first brake pad and the second brake pad are symmetrically arranged on two sides of the brake disc, and during emergency braking, the brake disc is firmly clamped, the two sides are uniformly stressed, and the braking effect is good;
2. the brake disc comprises a first brake disc main body, a second brake disc main body and an arc part connected between the first brake disc main body and the second brake disc main body in a linking mode, a plurality of flow guide holes are formed in the arc part, heat dissipation through holes are formed in the first brake disc main body and the second brake disc main body, the flow guide holes are communicated with the first brake disc main body and an inner cavity between the second brake disc main body, in the emergency braking process, heat generated on the surfaces of the first brake disc main body and the second brake disc main body is dissipated in time through the heat dissipation through holes, in the heat dissipation process, heat generated on the inner side face of the first brake disc main body and the second brake disc main body is accumulated in the inner cavity of the brake disc, the heat accumulated in the inner cavity of the brake disc is dissipated in time through the flow guide holes in the arc part, the heat dissipation efficiency of the brake disc is further improved, and the service lives of the brake disc and a brake pad are prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
fig. 4 is a schematic top view of the cage of the present invention.
Description of reference numerals: 1. a holder; 2. a first brake pad; 3. a second brake pad; 4. a first clamping block; 5. a second clamping block; 6. a brake disc; 61. a first brake disc main body; 62. a second brake disc main body; 63. an arc portion; 64. a flow guide hole; 7. a fixing hole; 8. a heat sink; 9. a heat dissipating through hole; 10. and fastening the bolt.
Detailed Description
The present application will now be described in detail with reference to the accompanying figures 1-4 and specific examples.
As shown in fig. 1 to 4, a wheel emergency brake structure of a railway locomotive comprises a retainer 1, wherein the retainer 1 is provided with a mounting opening, a first brake pad 2 and a second brake pad 3 which are opposite to each other are arranged in the mounting opening, one side of the retainer 1 is provided with a first clamping block 4 connected with the first brake pad 2, the other side of the retainer 1 is provided with a second clamping block 5 connected with the second brake pad 3, a clamping opening is formed between the first brake pad 2 and the second brake pad 3, and a hydraulic cylinder is connected between the first clamping block 4 and the second clamping block 5;
the clamping jaw department is equipped with brake disc 6, and the middle part of brake disc 6 is equipped with fixed orifices 7, and brake disc 6 passes through fixed orifices 7 and the pivot fixed connection on the wheel, and wherein, fixed orifices 7 preferred is the plum blossom hole, behind the pivot of wheel is connected to fixed orifices 7, can guarantee brake disc 6 and the pivot firm in connection of wheel.
Furthermore, a heat dissipation groove 8 is arranged on the retainer 1, a plurality of heat dissipation through holes 9 are arranged on the brake disc 6, and a fastening bolt 10 is arranged on the retainer 1.
Further, the brake disc 6 includes a first brake disc main body 61, a second brake disc main body 62, and an arc portion 63 connected between the first brake disc main body 61 and the second brake disc main body 62, and a plurality of flow guide holes 64 are provided on the arc portion 63.
The heat dissipation through holes 9 are formed in the first brake disc main body 61 and the second brake disc main body 62, and the diversion holes 64 are communicated with the inner cavity between the first brake disc main body 61 and the second brake disc main body 62.
In this embodiment, the first brake pad 2 and the second brake pad 3 are located on both sides of the brake disc 6. The circular arc portion 63 extends in the circumferential direction of the edges of the first brake disc main body 61 and the second brake disc main body 62, and the plurality of flow guide holes 64 are evenly distributed in the circumferential direction on the circular arc portion 63. The first brake disc main body 61, the second brake disc main body 62, and the arc portion 63 are integrally formed.
To sum up, one side of the retainer 1 is provided with a first clamping block 4 connected with the first brake block 2, the other side of the retainer 1 is provided with a second clamping block 5 connected with the second brake block 3, a clamping opening is formed between the first brake block 2 and the second brake block 3, a hydraulic cylinder is connected between the first clamping block 4 and the second clamping block 5, the first brake block 2 and the second brake block 3 are symmetrically arranged at two sides of the brake disc 6, when emergency braking is performed, the brake disc 6 is firmly clamped, the two sides are uniformly stressed, and the braking effect is good;
the brake disc 6 comprises a first brake disc main body 61, a second brake disc main body 62 and an arc part 63 connected between the first brake disc main body 61 and the second brake disc main body 62, the arc part 63 is provided with a plurality of flow guide holes 64, the heat dissipation through holes 9 are arranged on the first brake disc main body 61 and the second brake disc main body 62, the flow guide holes 64 are communicated with the inner cavities between the first brake disc main body 61 and the second brake disc main body 62, in the emergency braking process, the heat generated on the surfaces of the first brake disc main body 61 and the second brake disc main body 62 is dissipated in time through the heat dissipation through holes 9, in the heat dissipation process, the heat generated on the inner side surfaces of the first brake disc main body 61 and the second brake disc main body 62 is accumulated in the inner cavity of the brake disc 6, the flow guide holes 64 on the arc part 63 dissipate the heat accumulated in the inner cavity of the brake disc 6 in time, and further improve the heat dissipation efficiency of the brake disc 6, the service life of the brake disc and the brake pad is prolonged.
The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A wheel emergency brake structure of a railway locomotive comprises a retainer and is characterized in that a mounting opening is formed in the retainer, a first brake pad and a second brake pad which are opposite to each other are arranged in the mounting opening, a first clamping block connected with the first brake pad is arranged on one side of the retainer, a second clamping block connected with the second brake pad is arranged on the other side of the retainer, a clamping opening is formed between the first brake pad and the second brake pad, and a hydraulic cylinder is connected between the first clamping block and the second clamping block;
and a brake disc is arranged at the position of the clamping opening, a fixing hole is formed in the middle of the brake disc, and the brake disc is fixedly connected with a rotating shaft on the wheel through the fixing hole.
2. The wheel quick brake structure of a railway locomotive according to claim 1, wherein the fixing hole is a quincunx hole.
3. The wheel quick brake structure of a railway locomotive according to claim 1 or 2, wherein the retainer is provided with a heat dissipating groove.
4. The structure of claim 3, wherein the brake disc has a plurality of heat dissipating through holes.
5. The emergency brake structure for wheels of railway locomotive according to claim 3, wherein the retainer is provided with fastening bolts.
6. The structure of claim 4, wherein the brake disc comprises a first brake disc main body, a second brake disc main body and an arc portion connected between the first brake disc main body and the second brake disc main body, and the arc portion is provided with a plurality of flow guide holes.
7. The structure of claim 6, wherein the heat dissipating through holes are formed in the first and second brake disc bodies, and the flow guiding holes are communicated with the inner cavity between the first and second brake disc bodies.
8. The wheel quick brake structure of a railway locomotive according to claim 6, wherein the first brake pad and the second brake pad are located on both sides of the brake disc.
9. The structure of claim 6, wherein the circular arc portion extends circumferentially at the edges of the first and second brake disc main bodies, and the plurality of flow guide holes are uniformly arranged circumferentially on the circular arc portion.
10. The wheel emergency brake structure of a railway locomotive according to claim 6, wherein the first brake disc main body, the second brake disc main body and the arc portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837164.XU CN217002800U (en) | 2022-04-11 | 2022-04-11 | Wheel emergency brake structure of railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837164.XU CN217002800U (en) | 2022-04-11 | 2022-04-11 | Wheel emergency brake structure of railway locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002800U true CN217002800U (en) | 2022-07-19 |
Family
ID=82377142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220837164.XU Active CN217002800U (en) | 2022-04-11 | 2022-04-11 | Wheel emergency brake structure of railway locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002800U (en) |
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2022
- 2022-04-11 CN CN202220837164.XU patent/CN217002800U/en active Active
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