CN113183082A - Brake valve sleeve withdrawing device and sleeve withdrawing method thereof - Google Patents
Brake valve sleeve withdrawing device and sleeve withdrawing method thereof Download PDFInfo
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- CN113183082A CN113183082A CN202110474244.3A CN202110474244A CN113183082A CN 113183082 A CN113183082 A CN 113183082A CN 202110474244 A CN202110474244 A CN 202110474244A CN 113183082 A CN113183082 A CN 113183082A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010297 mechanical methods and process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a brake valve sleeve withdrawing device and a sleeve withdrawing method thereof. The device comprises a sleeve withdrawing device and a valve body fixing assembly, wherein an inner sleeve connecting part is arranged at the front end of the sleeve withdrawing device, and the rear end of the sleeve withdrawing device is connected with a sleeve pulling assembly. The sleeve withdrawing method comprises the steps of connecting the inner sleeve connector with the inner sleeve, fixing the valve body by using the valve body fixing assembly, pulling the sleeve withdrawing device and the inner sleeve together through the sleeve pulling assembly, and withdrawing the inner sleeve from the valve body. The invention has the beneficial effects that: the sleeve is withdrawn by a mechanical method, so that the labor intensity of workers is reduced; the sleeve is withdrawn by a mechanical method, so that time and labor are saved, and the efficiency is high; the surface size of the inner hole of the valve body is ensured after the sleeve is removed, the defects of surface pull and the like are reduced, the inner hole of the valve body does not need to be processed and braked before the sleeve is pressed, and the inner sleeve does not need to be processed separately, so that the working time and the cost are saved.
Description
Technical Field
The invention belongs to the technical field of brake valve maintenance matching, and particularly relates to a brake valve sleeve withdrawing device and a sleeve withdrawing method thereof.
Background
In the production and maintenance of the railway brake valve, if the body sleeve of the brake valve is matched and cannot be tightly sealed to generate leakage, the inner sleeve of the brake valve needs to be withdrawn from the valve body. After the sleeve is withdrawn, the sleeve needs to be pressed, and the brake valve body can be assembled. Because the body sleeve is in interference fit, the inner sleeve is pressed into the valve body by an oil press. In the production, a large number of body sleeves are matched and leak, so that sleeve withdrawing treatment (about 8000 sleeves per year) is required, the original manual sleeve withdrawing is time-consuming and labor-consuming, and the labor intensity of workers is high.
The existing sleeve withdrawing method is manual sleeve withdrawing, and as shown in figure 1, an inner sleeve is firstly tapped, then a threaded column part at the front end of a sleeve withdrawing device is screwed into the inner sleeve for connection, a brake valve is fixed, a moving hammer 9 of the sleeve withdrawing device is manually operated, and the inner sleeve can be pulled out by striking a protruding part at the rear end of the sleeve withdrawing device. However, the labor intensity of manual sleeve withdrawing workers is high, time and labor are wasted, and the efficiency is not high.
And manual work back sleeve draws the surface of hindering the braking valve body hole easily, if valve body hole surface draws and hinders, just need process the hole, makes the surface smooth, just can press the cover again, and required cover also need process according to the internal surface size in hole alone, increases man-hour and cost.
Disclosure of Invention
The invention aims to: the invention provides a brake valve sleeve withdrawing device and a sleeve withdrawing method thereof, and solves the problem that the conventional manual sleeve withdrawing is time-consuming and labor-consuming.
The purpose of the invention is realized by the following technical scheme:
the brake valve sleeve withdrawing device comprises a sleeve withdrawing device and a valve body fixing assembly, wherein an inner sleeve connecting part is arranged at the front end of the sleeve withdrawing device, and the rear end of the sleeve withdrawing device is connected with a sleeve pulling assembly. The valve body fixing assembly fixes the valve body, then the front end of the sleeve withdrawing device is inserted into the inner sleeve and connected, and the inner sleeve is pulled by the sleeve pulling assembly to realize the withdrawing of the inner sleeve from the valve body.
Furthermore, the inner sleeve connecting part is a threaded column, and an external thread is arranged on the threaded column. An internal thread is processed in the inner sleeve in advance, and the sleeve withdrawing device is connected with the inner sleeve through the thread.
Furthermore, the rear end of the sleeve withdrawing device is provided with a clamping plate, the clamping plate is arranged in a clamping groove, and the clamping groove is positioned on the telescopic end of the sleeve pulling component. The clamping and fixing of the clamping plate are realized through the clamping groove, and the connection of the sleeve withdrawing device and the sleeve pulling assembly is realized.
Furthermore, the valve body fixing component is a clamping component, and the valve body is fixed by the clamping component.
Furthermore, the clamping assembly comprises symmetrical clamping seats, opposite long grooves are horizontally arranged on the clamping seats, one ends of the long grooves are provided with openings, the long grooves are used for clamping and installing the valve body, the valve body enters from the openings of the long grooves, the valve body is clamped and fixed to the bottom of the long grooves when horizontally retreated, and the valve body is clamped and arranged by the upper side walls of the long grooves when vertically retreated.
Furthermore, the sleeve pulling assembly is a telescopic sleeve pulling assembly, and the telescopic sleeve pulling assembly has a direct and simple effect on the sleeve withdrawing device.
Further, the pull sleeve assembly is an air cylinder.
Further, the valve body fixing assembly is provided with a group, the sleeve withdrawing device and the sleeve pulling assembly are provided with two groups, the two groups are respectively horizontally arranged and vertically arranged, and the inner sleeves in the valve body can be withdrawn from the valve body at two horizontal positions and the vertical position respectively.
Furthermore, the valve body fixing component and the pull sleeve component are both arranged on the fixing frame.
The sleeve withdrawing method of the brake valve sleeve withdrawing device comprises a sleeve withdrawing device, wherein the inner sleeve connector is connected with the inner sleeve, the valve body is fixed by the valve body fixing assembly, and the sleeve withdrawing device and the inner sleeve are pulled together by the sleeve pulling assembly to withdraw the inner sleeve from the valve body.
The invention has the beneficial effects that:
1. the sleeve is withdrawn by a mechanical method, so that the labor intensity of workers is reduced.
2. The sleeve is withdrawn by a mechanical method, so that time and labor are saved, and the efficiency is high.
3. The surface size of the inner hole of the valve body is ensured after the sleeve is removed, the defects of surface pull and the like are reduced, the inner hole of the valve body does not need to be processed and braked before the sleeve is pressed, and the inner sleeve does not need to be processed separately, so that the working time and the cost are saved.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
Drawings
Fig. 1 is a schematic view of a prior art manual withdrawal.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the hydraulic control valve comprises a valve body 1, an inner sleeve 2, a sleeve withdrawing device 3, a threaded column 4, a clamping plate 5, a clamping assembly 6, an air cylinder 7, a fixing frame 8 and a movable hammer 9.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Example 1:
referring to fig. 2 to 4, the brake valve sleeve withdrawing device includes a sleeve withdrawing device 3, a valve body fixing assembly, a sleeve pulling assembly and a fixing frame 8. The valve body fixing assembly and the pull sleeve assembly are fixedly mounted on the fixing frame 8, and the valve body fixing assembly and the pull sleeve assembly can be oppositely pulled.
The front end of the sleeve withdrawing device 3 is provided with an inner sleeve connecting part which is used for realizing the fixed connection between the sleeve withdrawing device and the inner sleeve, and the inner sleeve connecting part can adopt the modes of threaded connection, internal bracing connection, internal clamping connection and the like. Preferably, the inner sleeve connecting part is a threaded column 4 integrally connected, an external thread is arranged on the threaded column 4, and the external thread is matched with an internal thread inside the inner sleeve to realize the connection and fixation of the threaded column and the inner sleeve.
The rear end of the sleeve withdrawing device 3 is connected with the sleeve pulling assembly, so that the sleeve withdrawing device can be driven to move together when the sleeve pulling assembly performs sleeve pulling movement. The connection between the sleeve withdrawing device and the sleeve pulling assembly can adopt threaded connection, clamping connection, sticking connection or integrated manufacture. Preferably, the rear end of the sleeve withdrawing device 3 is integrally connected with a clamping plate 5, the clamping plate 5 is arranged in a clamping groove, the clamping groove is positioned on the telescopic end of the sleeve pulling component, and the clamping groove is opened at the side part of the telescopic end, so that the clamping plate can enter and exit the clamping groove. After the clamping board is clamped into the clamping groove, the sleeve withdrawing device can be driven to move together when the sleeve pulling assembly performs telescopic motion.
The valve body fixing assembly is used for fixing the valve body, so that the valve body is fixedly installed, and the inner sleeve in the valve body can be withdrawn. The valve body fixing component can adopt a fixing mode of pressing, clamping or magnetic adsorption. Preferably, the valve body fixing component is a clamping component 6, and the valve body is fixed by limiting the pulling of the valve body.
Preferably, the clamping assembly 6 comprises symmetrical clamping seats, opposite long grooves are horizontally formed in the clamping seats, the long grooves are used for clamping the valve body, one end of each long groove is provided with an opening, and the valve body can enter the long grooves from the opening. When the valve body slides to the bottom of the long groove, the valve body cannot move inwards, and the inner sleeve is pulled by inwards force to realize horizontal sleeve withdrawing. When the valve body enters the long groove, the valve body is limited by the upper side wall of the long groove and cannot be lifted upwards, and at the moment, the inner sleeve is pulled by upward force to realize vertical sleeve withdrawing. The clamping structure is simple and convenient to produce and process.
The sleeve pulling assembly is used for providing power for pulling the sleeve and utilizing the sleeve withdrawing device to withdraw the inner sleeve from the valve body. The pull sleeve component can adopt a telescopic type, a gear and rack driving type, a swinging cam reciprocating type and a lead screw sliding rail type. Preferably, draw the cover subassembly to be telescopic and draw the cover subassembly, specifically, draw the cover subassembly to be cylinder 7, drive the ware of withdrawing the cover and endotheca through the flexible of cylinder and move together.
The valve body fixing assembly is provided with a group, and the group of valve body fixing assemblies realize the fixed installation of a single valve body. The sleeve withdrawing device 3 and the sleeve pulling assembly are both provided with two groups, the two groups are respectively horizontally arranged and vertically arranged, the sleeve withdrawing operation in the horizontal direction and the vertical direction in the valve body can be realized, and the practicability is stronger.
Referring to fig. 3, in a method for withdrawing a brake valve withdrawing device, an inner sleeve connector is connected with an inner sleeve 2, the valve body 1 is fixed by a valve body fixing assembly, and the inner sleeve 2 is withdrawn from the valve body 1 by pulling the inner sleeve connector 3 and the inner sleeve 2 together by a sleeve pulling assembly. The front and back sequence of the valve body fixing and the inner sleeve connecting can be flexibly adjusted according to the working requirement, and the front and back sequence of writing does not mean the front and back sequence of operation.
For the connection mode of the threads of the inner sleeve and the sleeve withdrawing device, before sleeve withdrawing, tapping needs to be carried out in the inner sleeve, and internal threads are processed in the inner sleeve to realize the threaded connection of the threaded column and the inner sleeve.
When the valve body is horizontally and vertically retreated simultaneously, the vertical retreating device is firstly installed in the vertical inner sleeve, then the valve body is pushed into the clamping groove to the bottom of the groove, and therefore the clamping plate of the vertical retreating device is clamped into the clamping groove. Then the clamping board of the horizontal sleeve withdrawing device is clamped into the clamping groove, and the horizontal sleeve withdrawing device is installed into the horizontal inner sleeve by rotating the horizontal sleeve withdrawing device. And finally, starting the air cylinder to simultaneously realize sleeve withdrawing operation of the horizontal inner sleeve and the vertical inner sleeve.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will. For example, fig. … … can also be regarded as a combination of the basic example and the option … …, fig. … … can also be regarded as a combination of the basic example and the option … …, and so on, which are not exhaustive, and those skilled in the art can recognize many combinations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a brake valve moves back cover device, includes moves back cover ware (3), its characterized in that: the valve body fixing assembly is further included, an inner sleeve connecting portion is arranged at the front end of the sleeve withdrawing device (3), and the rear end of the sleeve withdrawing device (3) is connected with the sleeve pulling assembly.
2. The brake valve retraction device according to claim 1, wherein: the inner sleeve connecting part is a threaded column (4), and external threads are arranged on the threaded column (4).
3. A brake valve retraction device according to claim 1 or 2, wherein: the rear end of the sleeve withdrawing device (3) is provided with a clamping plate (5), the clamping plate (5) is arranged in a clamping groove, and the clamping groove is positioned on the telescopic end of the sleeve pulling component.
4. The brake valve retraction device according to claim 1, wherein: the valve body fixing component is a clamping component (6).
5. The brake valve retraction device according to claim 4, wherein: the clamping assembly (6) comprises symmetrical clamping seats, opposite long grooves are horizontally arranged on the clamping seats, and one ends of the long grooves are open.
6. The brake valve retraction device according to claim 1, wherein: the pull sleeve component is a telescopic pull sleeve component.
7. The brake valve retraction device according to claim 6, wherein: the pull sleeve component is an air cylinder (7).
8. The brake valve retraction device according to claim 1, wherein: the valve body fixing assembly is provided with a group, the sleeve withdrawing device (3) and the sleeve pulling assembly are provided with two groups, and the two groups are respectively arranged horizontally and vertically.
9. The brake valve retraction device according to claim 1 or 8, wherein: the valve body fixing component and the pull sleeve component are both arranged on the fixing frame (8).
10. A sleeve withdrawing method of a brake valve sleeve withdrawing device as claimed in any one of claims 1 to 9, comprising a sleeve withdrawing device (3), characterized in that: the inner sleeve connector is connected with the inner sleeve (2), the valve body (1) is fixed by the valve body fixing assembly, the sleeve withdrawing device (3) and the inner sleeve (2) are pulled together by the sleeve pulling assembly, and the inner sleeve (2) is withdrawn from the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474244.3A CN113183082A (en) | 2021-04-29 | 2021-04-29 | Brake valve sleeve withdrawing device and sleeve withdrawing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474244.3A CN113183082A (en) | 2021-04-29 | 2021-04-29 | Brake valve sleeve withdrawing device and sleeve withdrawing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113183082A true CN113183082A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110474244.3A Pending CN113183082A (en) | 2021-04-29 | 2021-04-29 | Brake valve sleeve withdrawing device and sleeve withdrawing method thereof |
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| Country | Link |
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| CN (1) | CN113183082A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB638003A (en) * | 1940-02-23 | 1950-05-31 | James Clarence Hobbs | Improvements in or relating to valves |
| CN209190678U (en) * | 2018-10-15 | 2019-08-02 | 一汽-大众汽车有限公司 | A kind of bushing extraction element |
| CN209239943U (en) * | 2018-12-18 | 2019-08-13 | 叶栓宝 | A kind of machining shell blind hole thin-wall set bushing unloading device |
| CN209579406U (en) * | 2019-02-26 | 2019-11-05 | 湖南联诚轨道装备有限公司 | A kind of core wheel disassembling fixture |
| CN111360751A (en) * | 2020-03-12 | 2020-07-03 | 成都飞机工业（集团）有限责任公司 | Method for pulling out inner embedded bushing |
| CN212823798U (en) * | 2020-08-18 | 2021-03-30 | 眉山中车制动科技股份有限公司 | Special cover withdrawing tool for main valve body assembly |
| CN216265761U (en) * | 2021-04-29 | 2022-04-12 | 眉山中车制动科技股份有限公司 | Brake valve sleeve withdrawing device |
-
2021
- 2021-04-29 CN CN202110474244.3A patent/CN113183082A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB638003A (en) * | 1940-02-23 | 1950-05-31 | James Clarence Hobbs | Improvements in or relating to valves |
| CN209190678U (en) * | 2018-10-15 | 2019-08-02 | 一汽-大众汽车有限公司 | A kind of bushing extraction element |
| CN209239943U (en) * | 2018-12-18 | 2019-08-13 | 叶栓宝 | A kind of machining shell blind hole thin-wall set bushing unloading device |
| CN209579406U (en) * | 2019-02-26 | 2019-11-05 | 湖南联诚轨道装备有限公司 | A kind of core wheel disassembling fixture |
| CN111360751A (en) * | 2020-03-12 | 2020-07-03 | 成都飞机工业（集团）有限责任公司 | Method for pulling out inner embedded bushing |
| CN212823798U (en) * | 2020-08-18 | 2021-03-30 | 眉山中车制动科技股份有限公司 | Special cover withdrawing tool for main valve body assembly |
| CN216265761U (en) * | 2021-04-29 | 2022-04-12 | 眉山中车制动科技股份有限公司 | Brake valve sleeve withdrawing device |
Non-Patent Citations (2)
| Title |
|---|
| "拆卸轴承内座圈的工具", 金属矿山, no. 04, 31 December 1979 (1979-12-31), pages 74 * |
| 张运录;: "巧卸衬套", 新技术新工艺, no. 05, 31 December 1983 (1983-12-31), pages 13 * |
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