CN210147966U - Novel hollow pin shaft dismounting tool - Google Patents
Novel hollow pin shaft dismounting tool Download PDFInfo
- Publication number
- CN210147966U CN210147966U CN201920535574.7U CN201920535574U CN210147966U CN 210147966 U CN210147966 U CN 210147966U CN 201920535574 U CN201920535574 U CN 201920535574U CN 210147966 U CN210147966 U CN 210147966U
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- CN
- China
- Prior art keywords
- hollow pin
- pin shaft
- long screw
- screw rod
- disassembled
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- Expired - Fee Related
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Abstract
The utility model discloses a novel hollow pin shaft dismounting tool, which comprises a long screw rod which passes through the inside of a hollow pin shaft to be dismounted and a limiting sleeve which is coaxial with the hollow pin shaft to be dismounted, wherein the limiting sleeve is in contact with a machine body and is positioned on a limiting boss of the hollow pin shaft to be dismounted, and the end surface of the limiting sleeve, which is far away from the machine body, is provided with a ball; the two ends of the long screw rod respectively penetrate through the hollow pin shaft to be disassembled and the limiting sleeve, a compression nut is installed at one end, close to the inner thread of the hollow pin shaft to be disassembled, of the long screw rod through threads, the compression nut is in contact with the hollow pin shaft to be disassembled, a driving nut is installed at one end, close to the limiting sleeve, of the long screw rod through threads, and the driving nut is in contact with the ball. Has the advantages that: the device structure is small and exquisite, need not hammering round pin axle just to realize the dismantlement of round pin axle, can not cause the damage to round pin axle, round pin axle barrel casing and round pin shaft hole, and easy operation is convenient, has reduced operating personnel's intensity of labour, helps improving round pin axle dismantlement efficiency.
Description
Technical Field
The utility model relates to a round pin axle dismounting device technical field, concretely relates to novel hollow pin axle dismantle frock.
Background
The pin shaft is an important connecting and bearing element on engineering mechanical equipment, and a solid pin shaft is generally used in practice, but some engineering mechanical equipment uses a hollow pin shaft due to weight reduction or special structural requirements, wherein one end of the hollow pin shaft is provided with a limiting boss, and the inner wall of the other end of the hollow pin shaft is provided with an internal thread. The engineering machinery needs to replace the pin shaft regularly due to the complex and bad working condition. However, at present, the hollow pin shaft is basically dismounted by beating with a copper hammer, so that the pin shaft slowly slides out of the pin shaft hole, the pin shaft is unevenly stressed during operation, the pin shaft is easily deformed, even small-circumference sleeve abrasion and pin shaft hole deformation are caused, the operation is time-consuming and labor-consuming, and the use effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel hollow pin axle dismantles frock in order to solve above-mentioned problem to solve among the prior art and all use the copper hammer to beat basically to hollow pin axle's dismantlement at present, make the slow roll-off round pin shaft hole of round pin axle, round pin axle atress is uneven during the operation, arouses the round pin axle to warp easily, causes little all sleeve wearing and tearing and round pin shaft hole to warp even, and the operation wastes time and energy, technical problem such as the result of use is unsatisfactory. The utility model provides an it is small and exquisite that preferred technical scheme device structure among a great deal of technical scheme need not the hammering round pin axle just realizes the dismantlement of round pin axle, can not cause the damage to round pin axle, round pin axle sleeve and round pin shaft hole, and easy operation is convenient, has reduced operating personnel's intensity of labour, helps improving technical effect such as round pin axle dismantlement efficiency, sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a novel hollow pin shaft dismounting tool, which comprises a long screw rod which passes through the inside of a hollow pin shaft to be dismounted and a limiting sleeve which is coaxial with the hollow pin shaft to be dismounted, wherein the limiting sleeve is in contact with a machine body and is positioned on a limiting boss of the hollow pin shaft to be dismounted, and a ball is arranged on the end surface of the limiting sleeve, which is far away from the machine body; the long screw rod both ends run through respectively wait to tear open hollow pin axle with stop sleeve, the long screw rod is close to wait to tear open the internal screw thread one end of hollow pin axle and installs gland nut through the screw thread, gland nut with wait to tear open the hollow pin axle contact, the screw thread of long screw rod revolves to with wait to tear open the internal screw thread of hollow pin axle revolves to opposite, gland nut's terminal surface is provided with the thread bush, the thread bush cooperatees with the internal thread of waiting to tear open hollow pin axle, the long screw rod is close to stop sleeve's one end is installed drive nut through the screw thread, drive nut with the ball contacts.
When the novel hollow pin shaft dismounting tool is used, the thread bush is screwed into the inner thread end of the hollow pin shaft to be dismounted until the joint of the compression nut and the hollow pin shaft to be dismounted, the limiting sleeve is placed on the surface of the machine body to enable the ball to be far away from the machine body, the limiting sleeve is positioned on the outer side of the limiting boss of the hollow pin shaft to be dismounted and is coaxial with the hollow pin shaft to be dismounted, the long screw is screwed into the compression nut until the end part of the long screw penetrates through the hollow pin shaft to be dismounted and the limiting sleeve, the driving nut is screwed at the end part of the long screw until the driving nut and the ball are released, the driving nut is screwed through a spanner, and because the thread direction of the long screw is opposite to the inner thread direction of the hollow pin shaft to be dismounted, the thread bush is matched with the inner thread of the hollow pin shaft to be dismounted, and the compression nut is in close contact with the hollow pin shaft to be disassembled, when the drive nut is screwed, the long screw rod is limited by the thread sleeve and the compression nut, so that the long screw rod is prevented from rotating, the long screw rod integrally moves towards the limiting sleeve, the hollow pin shaft to be disassembled is pressed by the compression nut until the hollow pin shaft to be disassembled is pushed out of the pin shaft sleeve, the disassembly of the hollow pin shaft to be disassembled is completed, the integral structure of the device is small and exquisite, the operation is simple and convenient, the disassembly efficiency is improved, and meanwhile, the pin shaft sleeve and the pin shaft hole cannot be damaged.
Preferably, a cushion block is arranged between the long screw and the inner wall of the hollow pin shaft to be disassembled.
Preferably, the end part of the long screw rod, which is used for installing the compression nut, is provided with a step section, the outer side of the step section is provided with an external thread matched with the compression nut, the step sections are provided with a plurality of steps, and the external diameters of all the step sections far away from the center of the long screw rod are gradually increased.
Preferably, an inserting hole is formed in the outer side of the step section, the inserting hole is far away from the center of the long screw rod, and a positioning column used for limiting the compression nut is inserted into the inserting hole.
Preferably, the outer end face of the compression nut is provided with anti-slip threads.
Has the advantages that: the device structure is small and exquisite, need not hammering round pin axle just to realize the dismantlement of round pin axle, can not cause the damage to round pin axle, round pin axle barrel casing and round pin shaft hole, and easy operation is convenient, has reduced operating personnel's intensity of labour, helps improving round pin axle dismantlement efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the application of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the long screw rod of the present invention;
fig. 3 is a schematic view of the long screw according to the present invention.
The reference numerals are explained below:
1. a long screw; 2. a drive nut; 3. a ball bearing; 4. a wrench; 5. a limiting sleeve; 6. a body; 7. the hollow pin shaft is to be disassembled; 701. a limiting boss; 702. an internal thread; 8. a compression nut; 801. a threaded sleeve; 9. a pin shaft sleeve; 10. cushion blocks; 11. a stepped section; 1101. inserting holes; 1102. and a positioning column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a novel hollow pin shaft disassembling tool, which comprises a long screw rod 1 passing through the inside of a hollow pin shaft 7 to be disassembled and a limiting sleeve 5 coaxial with the hollow pin shaft 7 to be disassembled, wherein the limiting sleeve 5 is in contact with a machine body 6 and is positioned on a limiting boss 701 of the hollow pin shaft 7 to be disassembled, and a ball 3 is arranged on the end surface of the limiting sleeve 5 far away from the machine body 6; the two ends of the long screw rod 1 respectively penetrate through the hollow pin shaft 7 to be disassembled and the limiting sleeve 5, a compression nut 8 is installed at one end, close to the inner thread 702 of the hollow pin shaft 7 to be disassembled, of the long screw rod 1 through threads, the compression nut 8 is in contact with the hollow pin shaft 7 to be disassembled, the thread turning direction of the long screw rod 1 is opposite to the turning direction of the inner thread 702 of the hollow pin shaft 7 to be disassembled, a thread sleeve 801 is arranged on the end face of the compression nut 8, the thread sleeve 801 is matched with the inner thread 702 of the hollow pin shaft 7 to be disassembled, the arrangement is realized, when the driving nut 2 is screwed, the thread sleeve 801 can only be screwed into the inner part of the hollow pin shaft 7 to be disassembled, the long screw rod 1 can be limited through the thread sleeve 801 and the compression nut 8, the rotation of the long screw rod 1 is prevented, the driving nut 2.
As an optional implementation mode, a cushion block 10 is arranged between the long screw rod 1 and the inner wall of the hollow pin shaft 7 to be disassembled, so that the strength of the long screw rod 1 can be increased through the cushion block 10, meanwhile, the long screw rod 1 can be limited in an auxiliary mode, the long screw rod 1 is prevented from rotating, the long screw rod 1 can move in the driving nut 2 in an auxiliary mode, and the hollow pin shaft 7 to be disassembled in an auxiliary mode can be disassembled in an auxiliary mode.
The tip that long screw 1 is used for installing gland nut 8 is provided with ladder section 11, 11 outsides of ladder section are provided with the external screw thread with gland nut 8 matched with, ladder section 11 is provided with a plurality ofly, and keep away from the external diameter crescent of all ladder sections 11 at long screw 1 center, set up like this, select gland nut 8 and the thread bush 801 of equidimension not of installation in the ladder section 11 outsides of different external diameters, can satisfy treating of different diameters and tear hollow pin axle 7 open and demolish the demand, help enlarging the application scope of device.
The outside of the stepped section 11 is provided with a splicing hole 1101, the splicing hole 1101 is far away from the center of the long screw rod 1, the splicing hole 1101 is internally spliced with a positioning column 1102 for limiting the compression nut 8, when the long screw rod 1 is screwed into the compression thread in the setting, the positioning column 1102 is inserted into the splicing hole 1101, the compression nut 8 is limited through the positioning hole, the compression nut 8 can be prevented from being separated from the stepped section 11, and the dismounting of the hollow pin shaft 7 to be dismounted is realized in an auxiliary mode.
The outer end face of the compression nut 8 is provided with anti-skidding lines, so that friction force between the compression nut 8 and the hollow pin shaft 7 to be disassembled can be improved, and the limiting effect of the compression nut 8 on the long screw rod 1 is guaranteed.
By adopting the structure, when the device is used, the thread sleeve 801 is screwed into the inner thread 702 end of the hollow pin shaft 7 to be dismounted until the joint of the compression nut 8 and the hollow pin shaft 7 to be dismounted, the limiting sleeve 5 is placed on the surface of the machine body 6 to enable the ball 3 to be far away from the machine body 6, the limiting sleeve 5 is positioned outside the limiting boss 701 of the hollow pin shaft 7 to be dismounted, the limiting sleeve 5 is coaxial with the hollow pin shaft 7 to be dismounted, the long screw 1 is screwed into the compression nut 8 until the end part of the long screw 1 penetrates through the hollow pin shaft 7 to be dismounted and the limiting sleeve 5, the driving nut 2 is screwed on the end part of the long screw 1 until the driving nut 2 and the ball 3 are released, the driving nut 2 is screwed by the wrench 4, because the screwing direction of the long screw 1 is opposite to the screwing direction of the inner thread 702 of the hollow pin shaft 7 to be dismounted, the thread sleeve 801 is matched with the inner thread 702 of the hollow pin shaft 7 to, when screwing drive nut 2, carry on spacingly through thread bush 801 and gland nut 8 to long screw rod 1, prevent that long screw rod 1 is rotatory, thereby make long screw rod 1 whole to spacing sleeve 5 removal, wait to tear open hollow pin axle 7 through gland nut 8 pressure-actuated, until will waiting to tear open hollow pin axle 7 release round pin axle sleeve, the completion is waited to tear open demolising of hollow pin axle 7, the device overall structure is small and exquisite, easy operation is convenient, help improving and demolish efficiency, can not cause the damage to round pin axle, round pin axle sleeve 9 and round pin shaft hole simultaneously.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a novel hollow pin axle dismantle frock which characterized in that: the device comprises a long screw (1) penetrating through the interior of a hollow pin shaft (7) to be disassembled and a limiting sleeve (5) coaxial with the hollow pin shaft (7) to be disassembled, wherein the limiting sleeve (5) is in contact with a machine body (6) and is positioned on a limiting boss (701) of the hollow pin shaft (7) to be disassembled, and a ball (3) is arranged on the end face, far away from the machine body (6), of the limiting sleeve (5); the utility model discloses a hollow hinge pin (7) of waiting to tear open is including long screw rod (1), long screw rod (1) both ends run through respectively wait to tear open hollow pin axle (7) and stop sleeve (5), gland nut (8) are installed through the screw thread to the one end that long screw rod (1) is close to waiting to tear open hollow pin axle (7) internal thread (702), gland nut (8) and waiting to tear open hollow pin axle (7) and contact, the screw thread of long screw rod (1) is revolved to and is waited to tear open the internal thread (702) of hollow pin axle (7) soon to opposite, the terminal surface of gland nut (8) is provided with thread bush (801), thread bush (801) and the internal thread (702) of waiting to tear open hollow pin axle (7) cooperate, long screw rod (1) are close to drive nut (2) are installed through the screw thread to the one end of stop sleeve (5.
2. The novel hollow pin shaft dismounting tool according to claim 1, characterized in that: and a cushion block (10) is arranged between the long screw rod (1) and the inner wall of the hollow pin shaft (7) to be disassembled.
3. The novel hollow pin shaft dismounting tool according to claim 1, characterized in that: the end part of the long screw rod (1) for installing the compression nut (8) is provided with a step section (11), the outer side of the step section (11) is provided with an external thread matched with the compression nut (8), the step section (11) is provided with a plurality of steps and is far away from the center of the long screw rod (1), and the outer diameter of the step section (11) is gradually increased.
4. The novel hollow pin shaft dismounting tool according to claim 3, characterized in that: an inserting hole (1101) is formed in the outer side of the stepped section (11), the inserting hole (1101) is far away from the center of the long screw (1), and a positioning column (1102) used for limiting the compression nut (8) is inserted into the inserting hole (1101).
5. The novel hollow pin shaft dismounting tool according to claim 4, characterized in that: the outer end face of the compression nut (8) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535574.7U CN210147966U (en) | 2019-04-19 | 2019-04-19 | Novel hollow pin shaft dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535574.7U CN210147966U (en) | 2019-04-19 | 2019-04-19 | Novel hollow pin shaft dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147966U true CN210147966U (en) | 2020-03-17 |
Family
ID=69757099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920535574.7U Expired - Fee Related CN210147966U (en) | 2019-04-19 | 2019-04-19 | Novel hollow pin shaft dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210147966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459037A (en) * | 2020-03-31 | 2021-10-01 | 上海烟草集团有限责任公司 | Center pin shaft mounting tool and center pin shaft mounting method |
-
2019
- 2019-04-19 CN CN201920535574.7U patent/CN210147966U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459037A (en) * | 2020-03-31 | 2021-10-01 | 上海烟草集团有限责任公司 | Center pin shaft mounting tool and center pin shaft mounting method |
| CN113459037B (en) * | 2020-03-31 | 2023-08-29 | 上海烟草集团有限责任公司 | Mounting tool for center pin shaft and mounting method for center pin shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |