CN220145831U - Hydraulic press for maintaining parts of metro vehicle braking system - Google Patents
Hydraulic press for maintaining parts of metro vehicle braking system Download PDFInfo
- Publication number
- CN220145831U CN220145831U CN202321506768.7U CN202321506768U CN220145831U CN 220145831 U CN220145831 U CN 220145831U CN 202321506768 U CN202321506768 U CN 202321506768U CN 220145831 U CN220145831 U CN 220145831U
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- Prior art keywords
- mounting plate
- pressing plate
- plate
- middle floating
- hydraulic
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- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000012423 maintenance Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a hydraulic machine for maintaining parts of a metro vehicle braking system, which comprises an upper mounting plate, a middle floating pressing plate and a bottom mounting plate, wherein four guide posts are connected between the upper mounting plate and the bottom mounting plate, four guide holes are formed in the middle floating pressing plate, sliding pairs matched with hole shafts are arranged between the guide holes and the guide posts, a piston rod of the hydraulic cylinder is connected with the middle floating pressing plate and drives the middle floating pressing plate to move up and down, a quick-change pressing head is arranged below the middle floating pressing plate, a positioning mounting plate is arranged on the upper end face of the bottom mounting plate, a plurality of quick-change pressing heads and positioning mounting plates are arranged, and the hydraulic machine is adapted to different parts of a tread braking unit to be disassembled. According to the utility model, through a quick-change pressure head mode, not only can the parking brake cylinder be disassembled and installed, but also other parts in the tread brake unit can be disassembled, so that the universality is strong and the space is saved.
Description
Technical Field
The utility model relates to the technical field of maintenance and overhaul of subway vehicles.
Background
At present, a tread brake unit of a subway vehicle is disassembled and maintained once every 5 years or 60 kilometers according to maintenance regulations, and a pressing machine and a corresponding special tool are needed to disassemble a tread brake unit parking brake cylinder in the disassembling process. The existing press for disassembling the parking brake cylinder is specially developed and designed for manufacturing according to a certain model, can only be used when the parking brake cylinder is disassembled, cannot disassemble other parts, is very low in utilization rate, is not stable and reliable in structural design, and has potential safety hazards.
Disclosure of Invention
The technical problem solved by the utility model is to provide the hydraulic machine for maintaining the parts of the metro vehicle braking system, which not only can disassemble and assemble the parking brake cylinder, but also can disassemble other parts in the tread braking unit.
The technical scheme adopted by the utility model is that the hydraulic machine for maintaining the parts of the braking system of the metro vehicle comprises a hydraulic cylinder driven by the hydraulic machine, and further comprises an actuating mechanism, wherein the actuating mechanism comprises an upper mounting plate, a middle floating pressing plate and a bottom mounting plate, four guide posts are connected between the upper mounting plate and the bottom mounting plate, four guide holes are formed in the middle floating pressing plate, sliding pairs matched with hole shafts are arranged between the guide holes and the guide posts, a piston rod of the hydraulic cylinder is connected with the middle floating pressing plate and drives the middle floating pressing plate to move up and down, a quick-change pressing head is arranged below the middle floating pressing plate, the upper end surface of the bottom mounting plate is provided with a positioning mounting plate, the quick-change pressing head comprises at least two groups, each quick-change pressing head corresponds to different parts of a tread braking unit to be dismounted, the positioning mounting plate comprises at least two groups, and each positioning mounting plate corresponds to different parts of the tread braking unit to be dismounted. The guide post is connected with the upper mounting plate through a screw. The device also comprises a frame mounting platform, and the actuating mechanism is mounted on one frame mounting platform.
The upper end face of the middle floating pressing plate is provided with a floating connector which is fixed by a screw and is connected with a piston rod of the hydraulic oil cylinder. A guide sleeve is arranged in the guide hole of the middle floating pressing plate, the length of the guide sleeve is larger than the thickness of the middle floating pressing plate, and the guide column is positioned in the guide sleeve.
The hydraulic cylinder is arranged on the upper mounting plate through a screw, a through hole is formed in the middle of the upper mounting plate, and a piston rod of the hydraulic cylinder extends downwards through the through hole.
The quick-change pressure head type hydraulic pressure head has the advantages that through the quick-change pressure head mode, not only can the parking brake cylinder be disassembled and installed, but also other parts in the tread brake unit can be disassembled, the structure is simple, stable and reliable, the operation is convenient, the utilization rate of a press is improved, the design and manufacturing cost of a special tool for maintaining the tread brake unit is reduced, and the occupied space of a maintenance tool is saved.
Drawings
Figure 1 is a simplified outline of a hydraulic machine.
Figure 2 is an outline view of the press actuator.
Figure 3 is an external view of the upper mounting plate.
Figure 4 is an outline view of the intermediate floating platen.
Figure 5 is a bottom mounting plate profile view.
Marked in the figure as: 1-hydraulic station, 2-hydraulic pipeline, 3-pneumatic cylinder, 4-press actuating mechanism, 5-frame installation is flat, 6-bottom mounting panel, 7-guide post, 8-middle floating clamp plate, 9-middle floating clamp plate, 91-uide bushing locating hole, 92-quick change pressure head mounting hole, 10-upper mounting panel, 101-hydraulic cylinder mounting hole, 20-location step hole, 11-guide post mounting screw, 12-hydraulic cylinder mounting screw, 13-be floating connector, 14-quick change pressure head subassembly, 15-location mounting disc, 16-actuating mechanism mounting screw.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The hydraulic press appearance structure is as shown in figure 1, and comprises a hydraulic station 1, a hydraulic pipeline 2, a hydraulic cylinder 3, a press actuating mechanism 4 and a frame mounting platform 5. The hydraulic station 1 is connected with the hydraulic cylinder 3 through a hydraulic pipeline 2, and the hydraulic station 1 enables a piston rod of the hydraulic cylinder 3 to extend or retract by changing the flowing direction and pressure of hydraulic oil in the hydraulic pipeline 2. The hydraulic cylinder 3 is arranged on the press executing mechanism 4 through a screw, a piston rod of the hydraulic cylinder 3 is connected with a middle floating pressing plate 8 of the press executing mechanism 4 through a joint, and the up-and-down expansion of the piston rod of the hydraulic cylinder 3 drives a middle floating pressing plate 9 of the press executing mechanism 4 to move up and down. The press actuating mechanism 4 is mounted on the frame mounting platform 5 through screws, the frame mounting platform 5 is formed by integrally welding steel pipes and steel plates, and the overall strength of the frame is high, stable and reliable.
The external view of the press actuating mechanism is shown in fig. 2, and comprises a bottom mounting plate 6, a guide post 6, a guide sleeve 8, a middle floating pressing plate 9, an upper mounting plate 10, guide post mounting screws 11, hydraulic cylinder mounting screws 12, a floating connector 13, a quick-replaceable pressure head assembly 14, a positioning mounting plate 15 and actuating mechanism mounting screws 16.
The middle floating pressing plate 9 is provided with 4 guide sleeve mounting holes 8, the guide sleeves 8 are firstly mounted on the middle floating pressing plate 9, then 4 guide posts 7 are placed in the mounted 4 guide sleeves 8, the mounted middle floating pressing plate 9, the guide sleeves 8 and the guide posts 7 are respectively connected with the bottom mounting plate 6 and the upper mounting plate 10, and the guide posts are respectively fastened by guide post mounting screws 11. The installation positioning step holes 20 of the guide posts 7 are respectively processed on the bottom installation plate 6 and the upper installation plate 10, and play a role in installation positioning, so that the centers of the bottom installation plate 6, the middle floating pressing plate 9 and the upper installation plate 10 are ensured to coincide, the centers of parts installed on the three plates are overlapped, and the press mounting precision of the press execution mechanism is ensured.
As can be seen from fig. 1 and 2, the hydraulic cylinder 3 is mounted on the upper mounting plate 10 by means of the hydraulic cylinder mounting screw 12, the floating connector 13 is connected with the piston rod of the hydraulic cylinder 3, and then mounted on the middle floating pressing plate 9 by means of the corresponding mounting screw, the quick-change pressing head 14 is mounted in the positioning mounting hole of the middle floating pressing plate 9 by means of the corresponding mounting screw, and the positioning mounting plate 15 is mounted in the positioning mounting hole of the bottom mounting plate 6 by means of the corresponding mounting screw.
After the installation of the parts is completed, the parts are installed on the frame installation platform 5 by using the actuating mechanism installation screw 16, and finally the hydraulic oil cylinder 3 and the hydraulic station 1 are connected by using the hydraulic oil pipe 2, and the hydraulic machine is modified by connecting a power supply to complete the installation of the parts.
The hydraulic press has the advantages of few parts, simple structure, stability, reliability and low manufacturing cost, and can realize quick change of the pressure head, thereby realizing the aim of multiple purposes of one machine, meeting the disassembly and assembly requirements of different parts, having high utilization rate of the press, reducing the design and manufacturing cost of the special tool for maintaining the tread braking unit and saving the occupied space of the maintenance tool.
Claims (6)
1. Hydraulic machine is used in maintenance of railcar braking system part, includes the hydraulic cylinder by hydraulic press drive, its characterized in that: the quick-change type tread braking device comprises a base plate, and is characterized by further comprising an actuating mechanism, wherein the actuating mechanism comprises an upper mounting plate, a middle floating pressing plate and a bottom mounting plate, four guide posts are connected between the upper mounting plate and the bottom mounting plate, four guide holes are formed in the middle floating pressing plate, a sliding pair with a hole shaft is arranged between each guide hole and each guide post, a piston rod of a hydraulic cylinder is connected with the middle floating pressing plate and drives the middle floating pressing plate to move up and down, a quick-change pressing head is arranged below the middle floating pressing plate, a positioning mounting plate is arranged on the upper end face of the bottom mounting plate and comprises a group of at least two quick-change pressing heads, each quick-change pressing head corresponds to different tread braking unit parts to be dismounted, the positioning mounting plate comprises a group of at least two positioning mounting plates, and each positioning mounting plate corresponds to different tread braking unit parts to be dismounted.
2. The hydraulic machine for maintenance of a brake system component of a metro vehicle as claimed in claim 1, wherein: the upper end face of the middle floating pressing plate is provided with a floating connector, the floating connector is fixed through a screw, and the floating connector is connected with a piston rod of the hydraulic oil cylinder.
3. The hydraulic machine for maintenance of a brake system component of a metro vehicle as claimed in claim 1, wherein: a guide sleeve is arranged in the guide hole of the middle floating pressing plate, the length of the guide sleeve is larger than the thickness of the middle floating pressing plate, and the guide column is positioned in the guide sleeve.
4. The hydraulic machine for maintenance of a brake system component of a metro vehicle as claimed in claim 1, wherein: the device also comprises a frame mounting platform, and the actuating mechanism is mounted on one frame mounting platform.
5. The hydraulic machine for maintenance of a brake system component of a metro vehicle as claimed in claim 1, wherein: the hydraulic cylinder is arranged on the upper mounting plate through a screw, a through hole is formed in the middle of the upper mounting plate, and a piston rod of the hydraulic cylinder extends downwards through the through hole.
6. The hydraulic machine for maintenance of a brake system component of a metro vehicle as claimed in claim 1, wherein: the guide post is connected with the upper mounting plate through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506768.7U CN220145831U (en) | 2023-06-13 | 2023-06-13 | Hydraulic press for maintaining parts of metro vehicle braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506768.7U CN220145831U (en) | 2023-06-13 | 2023-06-13 | Hydraulic press for maintaining parts of metro vehicle braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145831U true CN220145831U (en) | 2023-12-08 |
Family
ID=89013435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506768.7U Active CN220145831U (en) | 2023-06-13 | 2023-06-13 | Hydraulic press for maintaining parts of metro vehicle braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145831U (en) |
-
2023
- 2023-06-13 CN CN202321506768.7U patent/CN220145831U/en active Active
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