CN211220500U - Elastic roller replacer for switch clamping rod - Google Patents
Elastic roller replacer for switch clamping rod Download PDFInfo
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- CN211220500U CN211220500U CN201921115273.5U CN201921115273U CN211220500U CN 211220500 U CN211220500 U CN 211220500U CN 201921115273 U CN201921115273 U CN 201921115273U CN 211220500 U CN211220500 U CN 211220500U
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- main shaft
- elastic roller
- dismounting
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Abstract
The utility model discloses a switch clamping bar elastic roller replacer, which comprises a coaxial base point dismounting positioning main shaft, a coaxial elastic roller supporting sleeve and a hollow plunger hydraulic cylinder, wherein the coaxial base point dismounting positioning main shaft is coaxially arranged; the working method comprises the following steps: the disassembling and assembling device is installed in place, the hydraulic pump is started to pressurize the hollow plunger hydraulic oil cylinder, an oil cylinder piston of the hollow plunger hydraulic oil cylinder extends out and pushes the disassembling and assembling coaxial positioning pressing column to push the elastic roller, and the elastic roller axially moves to a disassembling cavity formed between the coaxial disassembling and assembling elastic roller supporting sleeve and the coaxial base point disassembling and assembling positioning main shaft along the axial direction of the coaxial base point disassembling and assembling positioning main shaft. The utility model has the advantages that: (1) the replacer is small in size and convenient to carry; (2) the coaxial precision is high, and the field replacement quality is ensured; (3) the field replacement operation is convenient, the efficiency is high, and the replacement can be completed in limited skylight points; (4) and hydraulic static load force application is adopted, so that the assembly and disassembly process is not damaged.
Description
Technical Field
The utility model relates to a railway switch clamping bar technical field, concretely relates to switch clamping bar elasticity gyro wheel replacer.
Background
The CNTT (new-iron deo) turnout is the most advanced and mature high-speed integral design turnout in the world. Because the CNTT (New iron Deao) high-speed railway turnout is integrally designed, the transmission principle and the locking mode are more complex, and the transmission principle and the locking mode are essentially different from the existing hook-lock turnout; the CNTT (New iron DeOx) is connected with the turnout locking by adopting the soft elastic roller to adapt to the high-speed operation working condition, and can reduce the impact damage of high-frequency impact load to the turnout locking structural member caused by the high-speed operation of a train. The technical precision requirement of power and electric turnout adjustment and spacious movement elimination maintenance is high, but the CNTT (New iron Deao) turnout locking stress member clamp handle elastic roller with longer service life generally wears seriously and exceeds the standard, in order to ensure the reliable operation of the turnout, the clamp handle elastic roller with the wear exceeding the standard is urgently needed to be replaced, if the clamp handle elastic roller with the wear exceeding the standard is not replaced in time, the clamp handle elastic roller with the wear exceeding the standard can cause a series of problems that other locking stress members of the turnout are broken due to the increase of high-speed amplitude, the mechanical locking of a turnout switch rail fails and the like, and the driving safety is seriously thre. However, the locking clamp handle elastic roller and the engineering turnout core rail are of an integrated structure and can only be replaced in a site skylight point, so that the problems of limited time, high construction difficulty, incapability of ensuring the quality of site replacement and the like exist.
Disclosure of Invention
The utility model aims at providing a switch clamping bar elastic roller replacer according to the defects of the prior art, which comprises a coaxial base point dismounting positioning main shaft, a coaxial dismounting elastic roller supporting sleeve and a hollow plunger hydraulic oil cylinder, wherein the coaxial base point dismounting positioning main shaft is coaxially arranged; the working method comprises the following steps: after the replacer is installed in place, a hydraulic pump is used for pressurizing a hollow plunger hydraulic oil cylinder, so that an oil cylinder piston extends out and pushes a dismounting coaxial positioning pressing column to push an elastic roller to move into a dismounting cavity formed between a coaxial dismounting elastic roller supporting sleeve and a coaxial base point dismounting positioning main shaft, and the aim of quickly, efficiently and accurately dismounting the elastic roller is fulfilled.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a switch clamping bar elasticity gyro wheel replacer, the clamping bar has the through-hole, the inner wall subsides of through-hole be equipped with hollow circular cylinder shape elasticity gyro wheel coaxial with the through-hole, its characterized in that the replacer is including coaxial basic point dismouting location main shaft, coaxial elasticity roller support cover and the cavity plunger hydraulic cylinder that tears coaxial setting, coaxial basic point dismouting location main shaft passes elasticity gyro wheel and both are coaxial setting, coaxial elasticity roller support ways is established outside the coaxial basic point dismouting location main shaft of through-hole first side and both are coaxial setting, a terminal surface that coaxial elasticity roller support cover was torn open supports and leans on the clamping bar, and another terminal surface supports and leans on the first fixation nut who establishes at the first end of coaxial basic point dismouting location main shaft, coaxial elasticity roller support cover and the dismantlement cavity that forms between the coaxial basic point dismouting location main shaft with elasticity gyro wheel looks adaptation, the hollow plunger hydraulic cylinder is sleeved outside the coaxial base point dismounting and positioning main shaft on the second side of the through hole and is coaxially arranged, the piston end of the hollow plunger hydraulic cylinder is abutted against the elastic roller through the dismounting coaxial positioning pressing column, and the other end surface of the hollow plunger hydraulic cylinder is abutted against a second fixing nut arranged at the second end part of the coaxial base point dismounting and positioning main shaft.
The dismounting coaxial positioning pressing column is in a hollow cylinder shape matched with the elastic roller, and is sleeved outside the coaxial base point dismounting positioning main shaft and coaxially arranged with the coaxial base point dismounting positioning main shaft.
The elastic roller is provided with a convex block at one end face contacted with the dismounting coaxial positioning pressing column, and a groove matched with the convex block is formed in the corresponding face of the dismounting coaxial positioning pressing column.
The disassembly cavity is internally provided with a disassembly and assembly coaxial positioning ring, the disassembly and assembly coaxial positioning ring is sleeved on the coaxial base point disassembly and assembly positioning main shaft, the coaxial base point disassembly and assembly positioning main shaft and the disassembly and assembly positioning main shaft are coaxially arranged, and the disassembly and assembly coaxial positioning ring is in concave-convex fit with the contact surface between the elastic rollers.
The hollow plunger hydraulic oil cylinder is connected with a hydraulic pump through an oil pipe, and the oil pipe is connected with a pressure gauge.
The coaxial base point dismounting positioning main shaft is in clearance fit with the through hole.
The hydraulic pump is a portable hydraulic pump.
The utility model has the advantages that: (1) the replacer is small in size and convenient to carry; (2) the coaxial precision is high, and the field replacement quality is ensured; (3) the field replacement operation is convenient, the efficiency is high, and the replacement can be completed in limited skylight points; (4) and hydraulic static load force application is adopted, so that the assembly and disassembly process is not damaged.
Drawings
Figure 1 is the section schematic diagram of the elastic roller replacer of the middle turnout clamping rod of the utility model.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1, the symbols 1 to 12 in the figure are: the device comprises a clamping rod 1, an elastic roller 2, a coaxial base point dismounting positioning main shaft 3, a coaxial dismounting elastic roller supporting sleeve 4, a dismounting coaxial positioning ring 5, a hollow plunger hydraulic oil cylinder 6, an oil cylinder piston 7, a dismounting coaxial positioning pressing column 8, a fixing nut 9, a hydraulic pump 10, an oil pipe 11 and a pressure gauge 12.
Example (b): as shown in fig. 1, the present embodiment specifically relates to a turnout clamping bar elastic roller replacer and a working method thereof, wherein the replacer includes a coaxial base point dismounting positioning main shaft 3, a coaxial dismounting elastic roller support sleeve 4 and a hollow plunger hydraulic cylinder 6 which are coaxially arranged; the working method comprises the following steps: after the replacer is installed in place, a hydraulic pump 10 is used for pressurizing a hollow plunger hydraulic oil cylinder 6, so that an oil cylinder piston 7 extends out and pushes a dismounting coaxial positioning pressing column 8 to push an elastic roller 2 to move into a dismounting cavity formed between a coaxial dismounting elastic roller support sleeve 4 and a coaxial base point dismounting positioning main shaft 3, and the aim of quickly, efficiently and accurately dismounting the elastic roller 2 is fulfilled.
As shown in fig. 1, the clamping rod 1 of the turnout has a through hole, the inner wall of the through hole is adhered with the hollow cylindrical elastic roller 2, the elastic roller 2 is in interference fit with the through hole of the clamping rod 1, so the difficulty of dismounting the elastic roller 2 is very high, and the elastic roller 2 is damaged easily in the dismounting process.
As shown in fig. 1, the elastic roller replacer of the present embodiment includes a coaxial base point dismounting positioning main shaft 3, a coaxial dismounting elastic roller support sleeve 4 and a hollow plunger hydraulic cylinder 6, which are coaxially disposed, wherein the coaxial base point dismounting positioning main shaft 3 is inserted into a through hole of the elastic roller 2, and is in clearance fit with the through hole; the coaxial base point dismounting positioning main shaft 3 is coaxially arranged with the through hole of the elastic roller 2, in order to ensure the coaxial precision, a dismounting coaxial positioning ring 5 is sleeved outside the coaxial base point dismounting positioning main shaft 3 on one side of the elastic roller 2, the inner diameter of the dismounting coaxial positioning ring 5 is matched with the diameter of the coaxial base point dismounting positioning main shaft 3, the binding surface between the dismounting coaxial positioning ring 5 and the elastic roller 2 is in concave-convex fit, specifically, a convex block is arranged on the corresponding end surface of the elastic roller 2, a groove is arranged on the corresponding end surface of the dismounting coaxial positioning ring 5, the dismounting coaxial positioning ring 5 is also in contact fit with the corresponding end surface of the clamping rod 1, through the structure, the dismounting coaxial positioning ring 5 is coaxial with the elastic roller 2, and then the coaxial base point dismounting positioning main shaft 3 is also coaxial with the elastic roller 2. A coaxial elastic roller wheel supporting sleeve 4 is sleeved outside the coaxial base point dismounting and positioning main shaft 3 on one side surface of the elastic roller wheel 2, the coaxial elastic roller wheel supporting sleeve 4 is also in a hollow cylinder shape, but the inner diameter of a through hole on one end surface, which is abutted against the clamping rod 1, of the coaxial elastic roller wheel supporting sleeve is matched with the outer ring diameter of the dismounting and mounting coaxial positioning ring 5, while the inner diameter of a through hole on the other end surface is matched with the diameter of the coaxial base point dismounting and positioning main shaft 3, so that a dismounting cavity is formed between the coaxial base point dismounting and positioning main shaft 3 and the coaxial elastic roller wheel supporting sleeve 4, the thickness of the cavity of the dismounting cavity is matched with the dismounting and mounting coaxial positioning ring 5, and the dismounting cavity is matched with the shape of the elastic roller wheel 2, and the dismounting and mounting coaxial positioning ring 5 and the elastic roller wheel 2; one end surface of the coaxial elastic roller supporting sleeve 4 far away from the elastic roller 2 is abutted against the fixing nut 9, and the fixing nut 9 is arranged at one end of the coaxial base point dismounting positioning main shaft to form a limit for the coaxial elastic roller supporting sleeve 4.
As shown in fig. 1, a dismounting coaxial positioning pressing column 8 is arranged on one side end surface of the elastic roller 2 away from the coaxial dismounting elastic roller support sleeve 4, the dismounting coaxial positioning pressing column 8 is in a hollow cylinder shape, and is in concave-convex fit with the joint surface of the elastic roller 2, specifically, a convex block is arranged on the corresponding end surface of the elastic roller 2, a groove is arranged on the corresponding end surface of the dismounting coaxial positioning pressing column 8, a nested layer (not shown in the figure) with a certain thickness can also extend out of the corresponding end surface of the dismounting coaxial positioning pressing column 8, and the nested layer is embedded in a gap between the coaxial base point dismounting positioning main shaft 3 and the elastic roller 2, so that the dismounting coaxial positioning pressing column 8 and the coaxial base point dismounting positioning main shaft 3 are coaxially arranged; the thickness of the dismounting coaxial positioning pressing column 8 is matched with that of the elastic roller 2, and the dismounting coaxial positioning pressing column 8 is allowed to gradually move along the axis of the coaxial base point dismounting positioning main shaft 3 to be jacked into a gap between the clamping rod 2 and the coaxial base point dismounting positioning main shaft 3. A hollow plunger hydraulic oil cylinder 6 is also arranged on one end surface of the dismounting coaxial positioning pressing column 8 far away from the elastic roller 2, namely, the hollow plunger hydraulic cylinder 6 is sleeved outside the coaxial base point dismounting and positioning main shaft 9, the cylinder piston 7 of the hollow plunger hydraulic cylinder 6 props against the dismounting and coaxial positioning pressing column 8, the dismounting and coaxial positioning pressing column 8 and the hollow plunger hydraulic cylinder 6 are coaxially arranged, therefore, when the oil cylinder piston 7 extends out of the pushing dismounting coaxial positioning pressing column 8 to move along the axial direction of the coaxial base point dismounting positioning main shaft 3, the dismounting coaxial positioning pressing column 8 also pushes the elastic roller 2, thereby pushing the elastic roller 2 into the dismounting cavity in the coaxial dismounting elastic roller supporting sleeve 4, as the parts all use the axes of the coaxial base point dismounting and positioning main shaft 3 as the reference, the coaxiality precision of each part reaches +/-0.03 mm, thereby ensuring the quality of the replaced elastic roller 2.
As shown in fig. 1, the hollow plunger hydraulic cylinder 6 is connected with a hydraulic pump 10 through an oil pipe 11, the hydraulic pump 10 provides hydraulic pressure, a static load positive pressure of 800MPa can be output, the oil pipe 11 is also connected with a hydraulic gauge 12, and the current pressure value can be displayed through a pointer of the hydraulic gauge so as to adjust the output pressure of the hydraulic pump 10. The hydraulic pump 10 is a portable hydraulic pump, which is convenient to operate and carry during maintenance.
As shown in fig. 1, the working method of the elastic roller replacer for the switch clamping rod in the embodiment comprises the following steps:
(1) a coaxial base point dismounting and positioning main shaft 3 penetrates through an elastic roller 2, a dismounting and mounting coaxial positioning ring 5 is sleeved outside the coaxial base point dismounting and positioning main shaft 3 on one side of the elastic roller 2, so that the elastic roller 2 and the coaxial base point dismounting and positioning main shaft 3 are positioned coaxially, a coaxial dismounting and positioning elastic roller supporting sleeve 4 is sleeved outside the coaxial base point dismounting and positioning main shaft 3, and a fixing nut 9 is used for fixing and limiting; the other side of the elastic roller 2 is provided with a dismounting coaxial positioning pressing column 8, a hollow plunger hydraulic cylinder 6 is sleeved outside the coaxial base point dismounting positioning main shaft, and a fixing nut 9 is used for fixing and limiting, so that the dismounting coaxial positioning pressing column 8, the hollow plunger hydraulic cylinder 6 and the coaxial base point dismounting positioning main shaft 3 are coaxially arranged, and the coaxial precision is strictly ensured.
(2) After the replacer is installed in place, the hydraulic pump 10 is started to pressurize the hollow plunger hydraulic cylinder 6 through the oil pipe 11, the cylinder piston 7 of the hollow plunger hydraulic cylinder 6 extends out and pushes the dismounting coaxial positioning pressing column 8 to push the elastic roller 2, the elastic roller 2 moves to a dismounting cavity formed between the coaxial dismounting elastic roller support sleeve 4 and the coaxial base point dismounting positioning main shaft 3 along the axial direction of the coaxial base point dismounting positioning main shaft 3, and dismounting operation of the old elastic roller 2 is completed.
(3) After the old elastic roller 2 is disassembled, the coaxial disassembling elastic roller supporting sleeve 4 is taken out, and the coaxial base point disassembling and positioning main shaft 3 is moved, so that the fixing nut 9 is abutted against the disassembling and assembling coaxial positioning ring 5; dismantling the hollow plunger hydraulic cylinder 6 and dismantling the coaxial positioning pressing column 8, and firstly dismantling and positioning the main shaft 3 at a coaxial base point and sleeving a new elastic roller 2 outside; then the dismounting coaxial positioning pressing column 8 and the hollow plunger hydraulic cylinder 6 are installed on the coaxial base point dismounting positioning main shaft 3 again and are fixed and limited by the fixing nut 9, namely, all the parts positioned at one side of the through hole of the clamping rod 1 sequentially and outwards comprise a new elastic roller 2, the dismounting coaxial positioning pressing column 8 and the hollow plunger hydraulic cylinder 6; and starting a hydraulic pump 10 to pressurize the hollow plunger hydraulic cylinder 6, extending a cylinder piston 7 of the hollow plunger hydraulic cylinder 6 and pushing the dismounting coaxial positioning pressing column 8 to push the new elastic roller 2, and axially moving the elastic roller 2 to the through hole of the clamping rod 1 along the coaxial base point dismounting positioning main shaft 3 to complete the assembling operation of the new elastic roller 2.
(4) And (5) dismantling the replacer and carrying out the dismantling work of the elastic roller 2 of the next clamping rod 1.
The beneficial effect of this embodiment is: (1) the replacer is small in size and convenient to carry; (2) the coaxial precision is high, and the field replacement quality is ensured; (3) the field replacement operation is convenient, the efficiency is high, and the replacement can be completed in limited skylight points; (4) and hydraulic static load force application is adopted, so that the assembly and disassembly process is not damaged.
Claims (6)
1. The utility model provides a switch clamping bar elasticity gyro wheel replacer, the clamping bar has the through-hole, the inner wall subsides of through-hole be equipped with hollow circular cylinder shape elasticity gyro wheel coaxial with the through-hole, its characterized in that the replacer is including coaxial basic point dismouting location main shaft, coaxial elasticity roller support cover and the cavity plunger hydraulic cylinder that tears coaxial setting, coaxial basic point dismouting location main shaft passes elasticity gyro wheel and both are coaxial setting, coaxial elasticity roller support ways is established outside the coaxial basic point dismouting location main shaft of through-hole first side and both are coaxial setting, a terminal surface that coaxial elasticity roller support cover was torn open supports and leans on the clamping bar, and another terminal surface supports and leans on the first fixation nut who establishes at the first end of coaxial basic point dismouting location main shaft, coaxial elasticity roller support cover and the dismantlement cavity that forms between the coaxial basic point dismouting location main shaft with elasticity gyro wheel looks adaptation, the hollow plunger hydraulic cylinder is sleeved outside the coaxial base point dismounting and positioning main shaft on the second side of the through hole and is coaxially arranged, the piston end of the hollow plunger hydraulic cylinder is abutted against the elastic roller through the dismounting coaxial positioning pressing column, and the other end surface of the hollow plunger hydraulic cylinder is abutted against a second fixing nut arranged at the second end part of the coaxial base point dismounting and positioning main shaft.
2. The device according to claim 1, wherein the removable coaxial positioning pressing column is a hollow cylinder adapted to the elastic roller, and is sleeved outside the coaxial base point removable positioning main shaft and is coaxially disposed with the coaxial base point removable positioning main shaft.
3. The device according to claim 1, wherein the resilient roller is provided with a protrusion on one end surface thereof contacting the removable coaxially positioned pressing post, and a groove on the opposite surface thereof for engaging with the protrusion.
4. The device according to claim 1, wherein a coaxial positioning ring is disposed in the disassembling cavity, the coaxial positioning ring is sleeved outside the coaxial base point disassembling and positioning main shaft and is coaxially disposed with the coaxial base point disassembling and positioning main shaft, and a contact surface between the coaxial positioning ring and the elastic roller is concave-convex fit.
5. The device for assembling and disassembling resilient rollers of switch clamping levers according to claim 1, wherein said hollow plunger hydraulic cylinder is connected to a hydraulic pump through an oil pipe, and a pressure gauge is connected to said oil pipe.
6. The apparatus of claim 1 wherein the coaxial base point positioning spindle is in clearance fit with the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115273.5U CN211220500U (en) | 2019-07-17 | 2019-07-17 | Elastic roller replacer for switch clamping rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115273.5U CN211220500U (en) | 2019-07-17 | 2019-07-17 | Elastic roller replacer for switch clamping rod |
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| Publication Number | Publication Date |
|---|---|
| CN211220500U true CN211220500U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921115273.5U Active CN211220500U (en) | 2019-07-17 | 2019-07-17 | Elastic roller replacer for switch clamping rod |
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| Country | Link |
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| CN (1) | CN211220500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228039A (en) * | 2019-07-17 | 2019-09-13 | 中国铁路上海局集团有限公司上海电务段 | A kind of track switch clamping bar elastic roller replacer and its working method |
-
2019
- 2019-07-17 CN CN201921115273.5U patent/CN211220500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228039A (en) * | 2019-07-17 | 2019-09-13 | 中国铁路上海局集团有限公司上海电务段 | A kind of track switch clamping bar elastic roller replacer and its working method |
| CN110228039B (en) * | 2019-07-17 | 2024-06-14 | 中国铁路上海局集团有限公司上海电务段 | Switch clamping rod elastic roller disassembling and assembling device and working method thereof |
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