CN210451704U - Subway detects vehicle coupling loading and unloading frock - Google Patents
Subway detects vehicle coupling loading and unloading frock Download PDFInfo
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- CN210451704U CN210451704U CN201921433025.5U CN201921433025U CN210451704U CN 210451704 U CN210451704 U CN 210451704U CN 201921433025 U CN201921433025 U CN 201921433025U CN 210451704 U CN210451704 U CN 210451704U
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Abstract
The utility model provides a subway detects vehicle coupling loading and unloading frock, including hollow threaded rod, cushion, loading and unloading flange, hollow jack, oiling nozzle and high-pressure oil pump, characterized by: one end of the hollow threaded rod is connected with a motor shaft (or a gear box shaft) through threads, and the other end of the hollow threaded rod is connected with the oil injection nozzle; the cushion block is arranged at one end of the hollow threaded rod connected with a motor shaft (or a gearbox shaft) and is sleeved on the hollow threaded rod; the loading and unloading flange is arranged between the cushion block and the front end top cover of the hollow jack and is sleeved on the hollow threaded rod together with the hollow jack. The tool is simple in structural design and convenient to use, and due to the injection of high-pressure oil, the press fitting and disassembling process is carried out under the conditions of oil film separation and lubrication, so that the pressure required during press fitting is reduced, the friction fit surface is effectively avoided, the assembling quality is ensured, the labor intensity of maintenance personnel is reduced, the working efficiency is improved, and the condition that the assembling space is limited is also avoided.
Description
Technical Field
The utility model belongs to the technical field of subway detection vehicle makes, concretely relates to shaft coupling equipment on subway detection vehicle and dismantlement frock.
Background
Along with the rapid development of national economy, the construction and development of subway traffic are more rapid, and a traction motor on a subway train is connected with a driving gear shaft of a gearbox through a coupling, so that the front and back movement of the train is realized. The coupling, also known as a coupling, is a mechanical part for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together so as to transmit torque, and plays a role in connection. The transmission principle of a bogie of a subway detection vehicle is generally electric transmission, a motor rotates to drive a coupling to rotate, the coupling drives a gear in a gear box to rotate, the gear drives a wheel pair to rotate, and therefore power transmission is completed.
Because the coupling of subway inspection vehicle is great, when loading and unloading change spare part and filling grease, need the cooperation of maintenance personal more than two to accomplish dismouting work usually, simultaneously, receive the restriction of assembly space, these maintenance work can only rely on maintenance personal bare-handed completion, and the cost of labor is high, work efficiency is low, bare-handed maintenance fragile spare part, and the assembly quality is difficult to guarantee, and the assembly of iron coupling is dismantled and is overhauld work to these problems serious restrictions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a subway detects vehicle shaft coupling loading and unloading frock, this frock adopts the oiling pressure equipment, the method of dismantlement, utilize the high-pressure oil pump to pass through hollow threaded rod injection motor shaft (or gearbox shaft) and shaft coupling between the hub hole surface, it separates axle and hub hole surface to form the one deck oil film, make pressure equipment and dismantlement process go on under the oil film separates and lubricated condition, required pressure equipment power when having reduced the pressure equipment, restart hollow jack pushes away the shaft coupling or breaks away from the fixed position on the motor shaft (or gearbox shaft) through cushion and loading and unloading flange, accomplish the equipment and the dismantlement work of shaft coupling.
The purpose of the utility model can be realized by adopting the following technical scheme: a subway detection vehicle coupling assembling and disassembling tool comprises a hollow threaded rod, a cushion block, an assembling and disassembling flange, a countersunk bolt, a hollow jack, a gasket, a nut, an oil injection nozzle, a high-pressure pipe and a high-pressure oil pump; one end of the hollow threaded rod is provided with an external thread which is in threaded connection with a central hole of a motor shaft (or a gear box shaft), the center of the other end of the hollow threaded rod is provided with an oil inlet hole which is connected with the oil filling nozzle, the hollow threaded rod penetrates through the hollow jack, one end of the hollow threaded rod is connected with the motor shaft (or the gear box shaft) through a thread, and the other end of the hollow threaded rod is connected with the oil; the cushion block is arranged at one end of the hollow threaded rod connected with the motor shaft (or the gear box shaft), is sleeved on the hollow threaded rod and is matched with an inner hole at one end of the coupling; the loading and unloading flange is arranged between the cushion block and the front end top cover of the hollow jack, is connected with the front end top cover of the hollow jack through a countersunk head bolt, is sleeved on the hollow threaded rod together with the hollow jack, and the small end face of the loading and unloading flange is tightly attached to the end face of the cushion block; after the hollow jack is sleeved on the hollow threaded rod, the rear end of the hollow jack fixes and locks the hollow threaded rod through a washer and a nut; the high-pressure oil pump is connected with the hollow threaded rod through a high-pressure pipe and an oil injection nozzle.
The center hole of the hollow threaded rod is an oil injection channel, and the outer end of one end, connected with the oil injection nozzle, of the hollow threaded rod is provided with an external thread fixedly locked with the hollow jack.
The cushion block is of a disc-shaped structure with a boss, a central hole of the cushion block is in sliding fit with the hollow threaded rod, and the overall dimension of the cushion block corresponds to the dimension of an inner hole matched with the coupling.
The loading and unloading flange is of a stepped disc structure, the size of the large end of the loading and unloading flange is matched with that of a connecting flange of a coupling, the size of the step of the small end of the loading and unloading flange is smaller than that of the size matched with an inner hole of the coupling, a central hole of the loading and unloading flange is in sliding fit with a hollow threaded rod, threaded holes connected with a top cover at the front end of a hollow jack are uniformly distributed in the small end face of the loading and unloading flange, and corresponding through holes connected with the coupling are uniformly distributed in.
The hollow jack is a piston type hydraulic jack.
The novel use process of this use does: the shaft coupling to be assembled is sleeved on a motor shaft (or a gear box shaft), the assembling and disassembling flange is installed on a top cover at the front end of the hollow jack, the hollow threaded rod is installed on the motor shaft (or the gear box shaft), and then the cushion block, the assembled and disassembled flange and the hollow jack are sequentially connected
The hollow screw rod is sleeved together, the hollow screw rod is fixed at a proper position at the rear end of the hollow jack and locked by a gasket and a nut, the oil filling nozzle is connected to an oil filling hole of the hollow screw rod, and finally the hollow screw rod and the high-pressure oil pump are connected together by a high-pressure pipe. Before assembly and disassembly, a high-pressure oil pump is used for injecting specified high-pressure oil between the surfaces of a motor shaft (or a gearbox shaft) and a hub hole of a coupling through a hollow threaded rod to form an oil film, so that the press fitting and disassembly processes are carried out under the conditions of oil film separation and lubrication, the frictional resistance is effectively reduced, and the matched surface can be prevented from being scratched. When the pressure reaches the specified requirement, the hollow jack is started, the hollow jack drives the loading and unloading flange and the cushion block to push the coupling into the specified position of the motor shaft (or the gearbox shaft) under the action of axial pressure, and the assembly of the coupling is completed; when the shaft coupling is disassembled, the connecting flange of the shaft coupling and the assembling and disassembling flange are connected and fixed by the double-end stud, then the hollow jack is started, the hollow jack drives the assembling and disassembling flange to move reversely, so that the shaft coupling is separated from a motor shaft (or a gear box shaft) under the action of axial pressure, and the disassembling work is completed.
The utility model has the advantages that: the tool has the advantages of simple structural design, scientificity and reasonability, convenience in use, capability of carrying out press fitting and dismounting under the conditions of oil film separation and lubrication due to the injection of high-pressure oil, reduction in frictional resistance, reduction in pressure required during press fitting, capability of effectively avoiding scratching of the matching surface, guarantee of the assembling quality, reduction in labor intensity of maintenance personnel, improvement in working efficiency and avoidance of the condition of limited assembling space.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic plan view of the hollow threaded rod of the present invention;
FIG. 3 is a schematic plan view of the cushion block of the present invention;
fig. 4 is a schematic plan view of a handling flange according to the present invention;
the labels in the figure are: 1. the device comprises a hollow threaded rod, 2, cushion blocks, 3, a loading and unloading flange, 4, a countersunk bolt, 5, a hollow jack, 6, a gasket, 7, a nut, 8, an oil filling hole, 9, an oil filling nozzle, 10, a high-pressure pipe, 11, a high-pressure oil pump, 12, a coupling, 13 and a motor shaft (or a gearbox shaft).
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, a subway detection vehicle coupling assembling and disassembling tool comprises a hollow threaded rod 1, a cushion block 2, an assembling and disassembling flange 3, a countersunk bolt 4, a hollow jack 5, a gasket 6, a nut 7, an oil filling nozzle 9, a high-pressure pipe 10 and a high-pressure oil pump 11, wherein one end of the hollow threaded rod 1 is provided with an external thread connected with an internal thread of a central hole of a motor shaft (or a gearbox shaft) 13, the center of the other end is provided with an oil inlet hole 8 connected with the oil filling nozzle 9, the outer end is provided with an external thread fixedly locked with the hollow jack 5, the hollow threaded rod 1 penetrates through the hollow jack 5, one end of the hollow threaded rod is connected with the motor shaft (or the gearbox shaft) 13 through a thread, the other end of the hollow threaded rod 1 is connected with the oil filling nozzle 9, the central hole of the hollow threaded rod 1 is an oil filling channel and is used for filling, the pressure required during the pressure equipment and dismantlement is reduced, the equipment and the dismantlement of shaft coupling of being convenient for.
Cushion 2 be the disc-shaped structure of taking the boss, cushion 2 sets up the one end of being connected at hollow threaded rod 1 and motor shaft (or gearbox shaft) 13, and the suit is on hollow threaded rod 1, with hollow threaded rod 1 sliding fit, the overall dimension of cushion 2 corresponds with shaft coupling 12 complex hole size, its effect is when hollow jack 5 drives handling flange 3 and cushion 2 under the effect of axial pressure and removes to shaft coupling 12, cushion 2 just in time blocks into 12 holes of shaft coupling, push shaft coupling 12 into motor shaft (or gearbox shaft) 13 on the assigned position.
The assembling and disassembling flange 3 is arranged between the cushion block 2 and the front end top cover of the hollow jack 5, is connected with the front end top cover of the hollow jack 5 through a countersunk head bolt 4, is sleeved on the hollow threaded rod 1 together with the hollow jack 5, is in sliding fit with the hollow threaded rod 1, and the small end face of the assembling and disassembling flange is tightly attached to the end face of the cushion block 2; the loading and unloading flange 3 is a step-shaped disc structure, the size of a large end is matched with the connecting flange of the coupling 12, corresponding through holes connected with the coupling 12 are uniformly distributed on the large end surface, and the step size of a small end is smaller than the size matched with an inner hole of the coupling 12, so that the coupling 12 is not interfered with the small end when assembled; when the coupling 12 is disassembled, the large end face of the loading and unloading flange 3 is connected and fixed with the connecting flange of the coupling 12 through the stud, so that the hollow jack 5 drives the coupling 12 to be separated from a motor shaft (or a gearbox shaft) 13.
The hollow jack 5 is a piston type hydraulic jack, and after the hollow jack is sleeved on the hollow threaded rod 1 at a proper position, the rear end of the hollow threaded rod 1 is fixed with the hollow threaded rod 1 through a washer 6 and a nut 7 and is locked.
The high-pressure oil pump 11 is connected with the hollow threaded rod 1 through a high-pressure pipe 10 and an oil injection nozzle 9.
The specific operation process of the utility model is as follows: firstly, a coupling 12 to be assembled is sleeved on a motor shaft (or a gearbox shaft) 13, then a loading and unloading flange 3 is installed on a top cover at the front end of a hollow jack 5 through a countersunk bolt 4, then a hollow threaded rod 1 is installed on the motor shaft (or the gearbox shaft) 13, then a cushion block 3, the connected loading and unloading flange 3 and the hollow jack 5 are sequentially sleeved on the hollow threaded rod 1 together, the hollow threaded rod 1 is fixed at a proper position at the rear end of the hollow jack 5 through a gasket 6 and a nut 7 and locked, then an oil injection nozzle 9 is installed on an oil injection hole 8 of the hollow threaded rod 1, and finally the hollow threaded rod 1 and a high-pressure oil pump 11 are connected together through a high-pressure pipe 10. Before loading and unloading, a high-pressure oil pump 11 is used for injecting specified high-pressure oil into the hollow threaded rod 1, the high-pressure oil enters an oil groove of a motor shaft (or a gearbox shaft) 13 through a central oil passage, after the high-pressure oil enters the oil groove, a coupling 12 is expanded, so that the inner diameter of the coupling 12 is increased, an oil film is formed between the motor shaft (or gear case shaft) 13 and the hub bore surface of the coupling 12, so that the press-fitting and disassembly processes are performed under the condition that the oil film is isolated and lubricated, because the friction resistance is effectively reduced under the action of the oil film, the press-fitting force required during press-fitting is reduced, the matched surface can be effectively prevented from being scratched, when the pressure meets the specified requirement, the hollow jack 5 is started, the hollow jack 5 drives the assembling and disassembling flange 3 and the cushion block 2 to push the coupling 12 into the fixed position of the motor shaft (or the gearbox shaft) 13 under the action of axial pressure, and the assembly of the coupling 12 is completed; when the coupling 12 is disassembled, the assembling and disassembling flange 3 and the coupling 12 are connected and fixed by the stud, the hollow jack 5 is started, the hollow jack 5 drives the assembling and disassembling flange 3 to move reversely, the coupling 12 is separated from a motor shaft (or a gearbox shaft) 13 under the action of axial pressure, and the disassembly of the coupling 12 is completed. At present, the tool is used in the shaft coupling assembling and disassembling maintenance work of subway detection vehicles, and the effect is good.
The part of the utility model not detailed is prior art.
Claims (5)
1. The utility model provides a subway detects vehicle coupling loading and unloading frock, includes hollow threaded rod (1), cushion (2), loading and unloading flange (3), countersunk bolt (4), hollow jack (5), packing ring (6), nut (7), oil filler point (9), high-pressure tube (10) and high-pressure oil pump (11), characterized by: one end of the hollow threaded rod (1) is provided with an external thread connected with an internal thread of a central hole of the motor shaft (13), the center of the other end of the hollow threaded rod is provided with an oil inlet hole (8) connected with the oil filling nozzle (9), the hollow threaded rod (1) penetrates through the hollow jack (5), one end of the hollow threaded rod is connected with the motor shaft (13) through a thread, and the other end of the hollow threaded rod is connected with the oil filling nozzle (9); the cushion block (2) is arranged at one end of the hollow threaded rod (1) connected with the motor shaft (13), is sleeved on the hollow threaded rod (1) and is matched with an inner hole at one end of the coupling (12); the assembling and disassembling flange (3) is arranged between the cushion block (2) and the front end top cover of the hollow jack (5), the assembling and disassembling flange (3) is connected with the front end top cover of the hollow jack (5) through a countersunk head bolt (4), and is sleeved on the hollow threaded rod (1) together with the hollow jack (5), and the small end surface of the assembling and disassembling flange is tightly attached to the end surface of the cushion block (2); after the hollow jack (5) is sleeved on the hollow threaded rod (1), the rear end of the hollow threaded rod (1) is fixedly locked through a washer (6) and a nut (7); the high-pressure oil pump (11) is connected with the hollow threaded rod (1) through a high-pressure pipe (10) and an oil injection nozzle (9).
2. The assembly and disassembly tool for the coupling of the subway detection vehicle as claimed in claim 1, wherein: the center hole of the hollow threaded rod (1) is an oil injection channel, and the outer end of one end, connected with the oil injection nozzle (9), of the hollow threaded rod (1) is provided with an external thread fixedly locked with the hollow jack (5).
3. The assembly and disassembly tool for the coupling of the subway detection vehicle as claimed in claim 1, wherein: the cushion block (2) is of a disc-shaped structure with a boss, a central hole of the cushion block (2) is in sliding fit with the hollow threaded rod (1), and the overall dimension of the cushion block (2) corresponds to the dimension of an inner hole matched with the coupling (12).
4. The assembly and disassembly tool for the coupling of the subway detection vehicle as claimed in claim 1, wherein: the assembling and disassembling flange (3) is of a step-shaped disc structure, the size of a large end is matched with that of a connecting flange of a coupling (12), the size of a step of a small end is smaller than that of the size matched with an inner hole of the coupling (12), a center hole of the assembling and disassembling flange (3) is in sliding fit with the hollow threaded rod (1), threaded holes connected with a top cover at the front end of the hollow jack (5) are uniformly distributed on the small end face of the assembling and disassembling flange (3), and corresponding through holes connected with the coupling (12) are uniformly distributed on the large end face of the assembling and disassembling flange (3).
5. The assembly and disassembly tool for the coupling of the subway detection vehicle as claimed in claim 1, wherein: the hollow jack (5) is a piston type hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433025.5U CN210451704U (en) | 2019-08-30 | 2019-08-30 | Subway detects vehicle coupling loading and unloading frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433025.5U CN210451704U (en) | 2019-08-30 | 2019-08-30 | Subway detects vehicle coupling loading and unloading frock |
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| Publication Number | Publication Date |
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| CN210451704U true CN210451704U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921433025.5U Active CN210451704U (en) | 2019-08-30 | 2019-08-30 | Subway detects vehicle coupling loading and unloading frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873122A (en) * | 2020-12-21 | 2021-06-01 | 中车永济电机有限公司 | Simple device and method for disassembling conical shaft coupling |
-
2019
- 2019-08-30 CN CN201921433025.5U patent/CN210451704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873122A (en) * | 2020-12-21 | 2021-06-01 | 中车永济电机有限公司 | Simple device and method for disassembling conical shaft coupling |
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