CN221883020U - Train brake shoe detects arm - Google Patents
Train brake shoe detects arm Download PDFInfo
- Publication number
- CN221883020U CN221883020U CN202323608154.2U CN202323608154U CN221883020U CN 221883020 U CN221883020 U CN 221883020U CN 202323608154 U CN202323608154 U CN 202323608154U CN 221883020 U CN221883020 U CN 221883020U
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- brake shoe
- assembly
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- drive
- train
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- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000007689 inspection Methods 0.000 claims 5
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of train brake shoes, in particular to a train brake shoe detection mechanical arm, which comprises a supporting table, wherein a bearing support is arranged in the middle of the supporting table, a measuring arm is rotatably arranged outside the bearing support, first pressure sensors are arranged below two ends of the measuring arm, a brake shoe propulsion unit is arranged on one side surface of two ends of the measuring arm, the brake shoe propulsion unit comprises a propulsion bracket, a guide sliding rail assembly and a drive detection assembly, the guide sliding rail assembly is connected to the side surface of the measuring arm, the propulsion bracket is connected to the guide sliding rail assembly in a sliding manner, and the drive detection assembly is connected to the propulsion bracket; the utility model provides data support for the analysis of the performance of the brake shoe, avoids the influence of the external environment on the detection test, improves the detection precision, reduces the cost of the detection test, is more convenient to use and has wide application range.
Description
Technical Field
The utility model relates to the technical field of train brake shoes, in particular to a train brake shoe detection mechanical arm.
Background
The train brake shoe is a brake part for directly rubbing wheels to stop the train when the train is braked, and is a tile-shaped brake shoe made of cast iron or other materials, and the wheel tread is held tightly when the train is braked, so that the wheels are stopped rotating by friction between the brake shoe friction shoe and the wheels. Thus, the performance of a train brake shoe as an important component in a train braking system directly affects the reliability and safety of the train braking.
If the friction coefficient of the train brake shoe is small or is easy to wear out prematurely, the braking distance of the train is prolonged, and even safety accidents can be caused. Therefore, it is necessary to detect the friction coefficient of the train brake shoe. In the prior art, the friction performance of the brake shoe is analyzed by mostly adopting the speed, the load and the braking distance, a longer track is needed, a larger experimental space is needed, the detection precision is greatly influenced by the external environment, the experimental cost is higher, the performance analysis and improvement of the brake shoe are not facilitated, and the detection mode is still to be improved.
Disclosure of utility model
The utility model aims to solve the problems in the background art, and provides the train brake shoe detection mechanical arm which provides data support for analysis of the performance of a brake shoe, avoids the influence of external environment on a detection test, improves the detection precision, reduces the cost of the detection test, is more convenient to use and has a wide application range.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a train brake shoe detects arm, includes the supporting bench, the middle part of supporting bench is provided with a bearing support, bearing support's outside rotates and is provided with a measuring arm, the below at measuring arm both ends all is provided with first pressure sensor, a side at measuring arm both ends all is provided with a brake shoe propulsion unit, brake shoe propulsion unit is including advancing support, direction slide rail subassembly and drive detection subassembly, direction slide rail subassembly connect in measuring arm's side, advance support sliding connection in on the direction slide rail subassembly, drive detection subassembly connect in advance on the support.
The drive detection assembly is used for providing drive power, so that a brake shoe is abutted against a brake disc, and the acting force of the brake shoe on the brake disc is measured in real time, the brake shoe comprises a drive oil cylinder, a second pressure sensor, a driving shaft and a shoe mounting bracket, the drive oil cylinder is connected to one end of the propulsion bracket, the second pressure sensor is arranged at the output end of the drive oil cylinder, the driving shaft penetrates through the other end of the propulsion bracket in a sliding manner, one end of the driving shaft is connected to the second pressure sensor, and the other end of the driving shaft is hinged to the shoe mounting bracket.
Preferably, the guide slide rail assembly comprises two groups of guide rails, guide sliding blocks are arranged in the guide rails in a sliding manner, a screw rod adjusting assembly is arranged between the two groups of guide rails, the upper end and the lower end of the pushing support are connected with the guide sliding blocks, and the middle part of the pushing support is connected with screw rod nuts in the screw rod adjusting assembly. The guide sliding rail assembly and the screw rod adjusting assembly are used for adjusting the position of the driving detecting assembly, and can better meet the detection test of the large and small brake shoes.
Furthermore, the screw rod adjusting assembly drives the screw rod inside the screw rod adjusting assembly to rotate in a handwheel mode, so that the position of the driving detection assembly is adjusted.
Further, the drive detection assembly further comprises a telescopic sheath, the telescopic sheath is sleeved at two ends of the driving shaft in a telescopic manner, and the interference of dust worn by the brake shoe in the detection test process on the driving shaft is avoided.
Furthermore, the inner side surface of the brake shoe mounting bracket is provided with a plurality of quick positioning bayonets, so that quick positioning and mounting of the brake shoe are facilitated.
Further, the piston rod of the driving oil cylinder is provided with the guide assembly, so that the phenomenon that the piston rod rotates with the cylinder body of the driving oil cylinder can be effectively avoided, and the driving oil cylinder is damaged.
Furthermore, a stop screw is further arranged between the pushing support and the guide rail and used for locking the pushing support, so that the phenomenon that the pushing support moves in the detection test process is avoided.
The beneficial effects of the utility model are as follows: (1) The pressure born by the measuring arm is measured in real time by arranging a first pressure sensor when the brake shoe is propped against the brake disc; meanwhile, the second pressure sensor measures the positive pressure of the brake shoe on the brake disc in real time, and then the relation between the positive pressure of the brake shoe on the brake disc and the torque can be calculated by converting the pressure received by the measuring arm into the torque, so that data support is provided for analysis of the performance of the brake shoe, the influence of the external environment on a detection test is avoided, the detection precision is improved, the cost of the detection test is reduced, and the use is more convenient; (2) Through the adjustment of drive detection subassembly position, can satisfy the use of more products, application scope is wider.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of the use state of the present utility model;
In the figure: 100. support table, 200, bearing support, 300, measuring arm, 400, first pressure sensor, 500, shoe advancing unit, 510, advancing rack, 520, guide rail assembly, 521, guide rail, 522, guide slider, 530, drive detection assembly, 531, drive cylinder, 532, second pressure sensor, 533, drive shaft, 534, shoe mounting rack, 535, telescoping sheath, 536, quick position bayonet, 540, lead screw adjustment assembly, 541, hand wheel, 542, lead screw, 550, guide assembly, 560, stop screw, 600, brake disc.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
As shown in fig. 1 to 4, a train brake shoe detection mechanical arm comprises a supporting table 100, a bearing support 200 is arranged in the middle of the supporting table 100, a measuring arm 300 is rotatably arranged outside the bearing support 200, first pressure sensors 400 are arranged below two ends of the measuring arm 300, the first pressure sensors 400 are fixed on the supporting table 100, a brake shoe propulsion unit 500 is arranged on one side surface of two ends of the measuring arm 300, the brake shoe propulsion unit 500 comprises a propulsion bracket 510, a guiding sliding rail assembly 520 and a driving detection assembly 530, the guiding sliding rail assembly 520 is connected to the side surface of the measuring arm 300, the propulsion bracket 510 is slidably connected to the guiding sliding rail assembly 520, and the driving detection assembly 530 is connected to the propulsion bracket 510.
The guide rail assembly 520 comprises two groups of guide rails 521, guide sliding blocks 522 are slidably arranged in the guide rails 521, a screw rod adjusting assembly 540 is arranged between the two groups of guide rails 521, the upper end and the lower end of the pushing support 510 are connected with the guide sliding blocks 522, and the middle part of the pushing support 510 is connected with screw rod nuts in the screw rod adjusting assembly 540. The guide sliding rail component 520 and the screw rod adjusting component 540 are used for adjusting the position of the driving detecting component 530, and can better meet the detection test of the large and small brake shoes.
As shown in fig. 1, the screw adjusting assembly 540 drives the screw 542 to rotate by adopting a hand wheel 541, so as to realize the adjustment of the position of the driving detection assembly 530.
As shown in fig. 1 to 4, the driving detection assembly 530 is configured to provide driving power to make a brake shoe abut against the brake disc 600 and measure an acting force of the brake shoe on the brake disc 600 in real time, and includes a driving cylinder 531, a second pressure sensor 532, a driving shaft 533, and a shoe mounting bracket 534, wherein the driving cylinder 531 is connected to one end of the propulsion bracket 510, the second pressure sensor 532 is disposed at an output end of the driving cylinder 531, the driving shaft 533 slidably penetrates through the other end of the propulsion bracket 510, and one end of the driving shaft 533 is connected to the second pressure sensor 532, and the other end of the driving shaft 533 is hinged to the shoe mounting bracket 534. The drive detection assembly 530 further comprises a telescopic sheath 535, wherein the telescopic sheath 535 is sleeved at two ends of the driving shaft 533, so that the phenomenon of blocking caused by dust worn by a brake shoe during a detection test to the driving shaft 533 is avoided.
As shown in FIG. 1, the inner side of the shoe mounting bracket 534 is provided with a plurality of quick positioning bayonets 536 for quick positioning and mounting of the brake shoe.
As shown in fig. 1 and 3, the piston rod of the driving cylinder 531 is provided with a guide assembly 550, which can effectively avoid the phenomenon that the piston rod rotates with the cylinder body of the driving cylinder 531, thereby damaging the driving cylinder 531.
As shown in fig. 1 and 2, a stop screw 560 is provided between the push bracket 510 and the guide rail 521, which is used for locking the push bracket 510, to prevent the push bracket 510 from moving during the test.
Referring to fig. 1-4, prior to use, the set screw 560 is loosened and the position of the pusher bracket 510, i.e., the position of the drive detection assembly 530, is adjusted according to the thickness of the brake shoe such that the brake shoe mounting bracket 534 with the brake shoe mounted thereon is proximate to the brake disc 600. When in use, the main shaft drives the brake disc 600 to rotate, and after the brake disc 600 reaches the set rotating speed, the driving oil cylinder 531 acts to drive the driving shaft 533 to move towards the direction of the brake disc 600, and at the moment, the second pressure sensor 532 measures the positive pressure of the brake shoe on the brake disc 600 in real time; meanwhile, due to the rotation inertia of the brake disc 600, the rotation inertia gives the trend of the rotation movement of the measuring arm 300, at the moment, the first pressure sensor 400 at one end below the measuring arm 300 measures the pressure given by the measuring arm 300 in real time, and the relation between the positive pressure of the brake shoe to the brake disc 600 and the torque can be calculated by converting the pressure received by the measuring arm 300 into the torque, so that the data support is provided for the analysis of the performance of the brake shoe.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The train brake shoe detection mechanical arm comprises a supporting table and is characterized in that a bearing support is arranged in the middle of the supporting table, a measuring arm is arranged outside the bearing support in a rotating mode, a first pressure sensor is arranged below two ends of the measuring arm, a brake shoe propulsion unit is arranged on one side face of two ends of the measuring arm, the brake shoe propulsion unit comprises a propulsion support, a guiding sliding rail assembly and a driving detection assembly, the guiding sliding rail assembly is connected to the side face of the measuring arm, the propulsion support is connected to the guiding sliding rail assembly in a sliding mode, and the driving detection assembly is connected to the propulsion support;
The drive detection assembly comprises a drive oil cylinder, a second pressure sensor, a drive shaft and a brake shoe mounting bracket, wherein the drive oil cylinder is connected to one end of the propulsion bracket, the second pressure sensor is arranged at the output end of the drive oil cylinder, the drive shaft penetrates through the other end of the propulsion bracket in a sliding mode, one end of the drive shaft is connected to the second pressure sensor, and the other end of the drive shaft is hinged to the brake shoe mounting bracket.
2. The train brake shoe detection mechanical arm according to claim 1, wherein the guide slide rail assembly comprises two groups of guide rails, guide sliding blocks are slidably arranged in the guide rails, a screw rod adjusting assembly is arranged between the two groups of guide rails, the upper end and the lower end of the pushing support are connected with the guide sliding blocks, and the middle part of the pushing support is connected with screw nuts in the screw rod adjusting assembly.
3. The train shoe inspection robot arm of claim 2, wherein the lead screw adjustment assembly employs a hand wheel to drive the lead screw within the lead screw adjustment assembly.
4. The train shoe inspection robot arm of claim 1, wherein said drive inspection assembly further comprises a telescoping sheath telescopically received over said drive shaft at both ends.
5. The train shoe inspection robot arm of claim 1, wherein the inner side of the shoe mounting bracket is provided with a plurality of quick-positioning bayonets.
6. The train shoe inspection robot arm of claim 1, wherein a guide assembly is provided on a piston rod of the drive cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323608154.2U CN221883020U (en) | 2023-12-28 | 2023-12-28 | Train brake shoe detects arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323608154.2U CN221883020U (en) | 2023-12-28 | 2023-12-28 | Train brake shoe detects arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221883020U true CN221883020U (en) | 2024-10-22 |
Family
ID=93088706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323608154.2U Active CN221883020U (en) | 2023-12-28 | 2023-12-28 | Train brake shoe detects arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221883020U (en) |
-
2023
- 2023-12-28 CN CN202323608154.2U patent/CN221883020U/en active Active
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