CN210025152U - Device for disassembling and assembling shaft body - Google Patents
Device for disassembling and assembling shaft body Download PDFInfo
- Publication number
- CN210025152U CN210025152U CN201920345825.5U CN201920345825U CN210025152U CN 210025152 U CN210025152 U CN 210025152U CN 201920345825 U CN201920345825 U CN 201920345825U CN 210025152 U CN210025152 U CN 210025152U
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- shaft body
- outer sleeve
- cylindrical
- screw
- gland
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Abstract
The utility model discloses a dismantle and install device of axis body, it includes: the device comprises a base, two supporting platforms, an outer sleeve, a gland, a tightening screw, twelve screws, a nut screwed at the tail end of the screw and a dismounting auxiliary part; the disassembly and assembly aid comprises a spacer or an inner sleeve. The device adopts the symmetrical structure design, and split type brace table can be conveniently inserted between outer sleeve and axis body, can accomplish the combination again through the spiro union with the outer sleeve to can realize the support location to the bearing, reach the purpose of safe dismantlement or installation axis body, have low in manufacturing cost, use safety is good, convenient operation's characteristics.
Description
Technical Field
The utility model relates to a dismantle frock technical field, especially relate to a dismantle device with installation axis body.
Background
Bearings are generally assembled at two ends of the roller and the shaft body so that the roller and the shaft body can rotate by taking the shaft axis as a rotating shaft; in order to enable the two ends of the roller and the shaft body to be tightly matched with the bearing, the inner diameter of the inner ring of the bearing is usually selected to be slightly smaller than the diameters of the two ends of the roller and the shaft body, so that a certain external force action needs to be applied to the end part of the shaft body, the bearing cannot be clamped and supported sometimes due to the restriction of factors such as the diameters of the roller and the shaft body, and particularly certain technical difficulty exists in the dismounting process.
In view of the above, it is desirable to design and develop a device capable of detaching and attaching the shaft body.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dismantle and install device of axis body.
The utility model provides a pair of dismantle and install device of axis body, it includes: the device comprises a base, two supporting platforms, an outer sleeve, a gland, a tightening screw, twelve screws, a nut screwed at the tail end of the screw and a dismounting auxiliary part; the dismounting auxiliary part comprises a cushion block or an inner sleeve; wherein the content of the first and second substances,
the base is made of metal materials and has a cuboid symmetrical structure; the axis position of the base is provided with a first cylindrical through hole for sleeving the shaft body; six cylindrical first concave grooves are uniformly formed in the periphery of the first through hole along the circumferential direction, and the inner diameter of each first concave groove is larger than the diameter of a circumscribed circle of the top end of the screw rod, so that the top end of the screw rod can be placed, and the screw rod can be positioned;
the supporting platform is made of metal materials and is of a half-pipe-shaped symmetrical structure, and a half-ring-shaped first outer edge is arranged at the bottom end of the supporting platform along the circumferential direction; the two first outer edges can be combined into a complete annular outer edge, the first outer edge is used for bearing a second outer edge at the bottom end of the outer sleeve, and the platform at the top end of the supporting platform is used for bearing a bearing; a semi-cylindrical through hole is formed in the axis position of the support platform, and the two semi-cylindrical through holes are combined into a complete cylindrical through hole for placing a shaft body; each support is uniformly provided with three cylindrical second through holes along the circumferential direction and used for mounting the screw;
the outer sleeve is made of a metal material and is of a pipe-shaped symmetrical structure, the top end and the bottom end of the outer sleeve are respectively provided with an annular second outer edge, and each second outer edge is uniformly provided with six cylindrical third through holes along the circumferential direction and used for mounting the screw; the top ends of the six screws are positioned in the first concave groove of the base, and the tail ends of the six screws sequentially penetrate through the second through holes of the two support platforms and the third through hole at the bottom end of the outer sleeve so as to connect the outer sleeve, the support platforms and the base; the inner diameter of the outer sleeve is equal to the outer diameter of the platform of the support platform;
the gland is made of metal materials and has a pipe ring-shaped symmetrical structure, and a screw hole is formed in the axis position of the gland and used for screwing the screwing screw; six cylindrical fourth through holes are uniformly formed in the gland along the circumferential direction and used for mounting the screw rods; six screw rods penetrate through a fourth through hole of the gland and a third through hole at the top end of the outer sleeve so as to connect the gland with the outer sleeve;
the tightening screw is made of metal materials and has a cylindrical symmetrical structure; the tightening screw is formed by combining a force application end, a thread end and a positioning end from top to bottom in sequence; the force application end is a flat end cylinder and is used for applying external force to the tightening screw rod; the threaded end is a cylinder with threads on the outer surface and is used for screwing in or screwing out in the screw hole of the gland; the positioning end is a flat end cylinder and is used for positioning the cushion block;
the cushion block is made of metal materials and has a cylindrical symmetrical structure; the axial line position of the upper surface of the cushion block is provided with a cylindrical second concave groove for bearing the positioning end of the tightening screw rod; the inner diameter of the second concave groove is equal to the diameter of the positioning end of the tightening screw rod, the outer diameter of the cushion block is smaller than the inner diameter of the bearing inner ring, and the height of the cushion block is larger than that of the bearing inner ring; the cushion block is a disassembly auxiliary part and is arranged between the shaft body and the tightening screw rod when the shaft body is disassembled;
the inner sleeve is made of metal materials and has a symmetrical tubular structure, and the outer diameter of the inner sleeve is equal to the inner diameter of the outer sleeve; the inner diameter of the inner sleeve is equal to the outer diameter of the shaft body; the inner sleeve is an installation auxiliary part used for positioning the shaft body and is arranged in the outer sleeve when the shaft body is installed.
Further, in the tightening screw, the outer diameter of the force application end is larger than that of the threaded end, and the outer diameter of the threaded end is larger than that of the positioning end.
Compared with the prior art, the utility model provides a device of dismantlement and installation axis body adopts the symmetrical structure design, and split type brace table can conveniently be inserted between outer sleeve and axis body, can accomplish the combination again through the spiro union with the outer sleeve to can realize the support location to the bearing, reach the purpose of safe dismantlement or installation axis body, have low in manufacturing cost, use security is good, convenient operation's characteristics.
Drawings
Fig. 1 is a schematic front view of a device for disassembling a shaft body according to the present invention before disassembly;
fig. 2 is a schematic top view of the device for disassembling and assembling a shaft according to the present invention;
FIG. 3 is a schematic cross-sectional view of the front A-A surface of the shaft body dismounting device according to the present invention;
fig. 4 is a schematic front view of the device for disassembling a shaft body according to the present invention after disassembly;
FIG. 5 is a schematic cross-sectional view of the device for disassembling a shaft body according to the present invention, taken along the A-A plane after disassembly;
FIG. 6 is a schematic top view of the base;
FIG. 7 is a schematic top view of the supporting platform;
FIG. 8 is a schematic cross-sectional view of the device for mounting a shaft according to the present invention at the A-A plane before mounting;
fig. 9 is a schematic cross-sectional view of the device for mounting a shaft body according to the present invention, which is installed along the a-a plane.
Description of reference numerals:
1-a base;
101-a first via; 102-a first concave groove;
2-supporting a platform;
201-a platform; 202-a semi-cylindrical through hole; 203-a second via; 204-a first outer edge;
3-an outer sleeve;
301-a third via; 302-a second outer edge;
4-pressing the cover;
401-screw hole; 402-a fourth via;
5-screwing the screw rod;
501-force application end; 502-a threaded end; 503-positioning end;
6-screw rod;
7-a nut;
8-a bearing;
9-cushion block;
901-a second concave groove;
10-shaft body;
11-inner sleeve.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
In a particular embodiment, the present invention provides a device for removing and installing a shaft body. Referring to fig. 1 to 9, the structure of a device for disassembling and assembling a shaft according to an embodiment of the present invention is shown.
The utility model provides a pair of dismantle and install device of axis body 10 includes: the device comprises a base 1, two supporting platforms 2, an outer sleeve 3, a gland 4, a tightening screw 5, twelve screws 6, a nut 7 screwed at the tail end of each screw 6 and a dismounting auxiliary part; the dismounting auxiliary part comprises a cushion block 9 or an inner sleeve 11; wherein the content of the first and second substances,
the base 1 is made of metal materials and has a cuboid symmetrical structure; a first cylindrical through hole 101 is formed in the axis position of the base 1 and used for sleeving the shaft body 10; six cylindrical first concave grooves 102 are uniformly formed in the periphery of the first through hole 101 along the circumferential direction, and the inner diameter of each first concave groove 102 is larger than the diameter of a circumscribed circle of the top end of the screw 6, so that the top end of the screw 6 can be placed, and the screw 6 can be positioned;
the supporting platform 2 is made of metal materials and has a half-pipe-shaped symmetrical structure, and a half-ring-shaped first outer edge 204 is arranged at the bottom end of the supporting platform 2 along the circumferential direction; the two first outer edges 204 are combined into a complete annular outer edge, the first outer edge 204 is used for bearing a second outer edge 302 at the bottom end of the outer sleeve 3, and the platform 201 at the top end of the support platform 2 is used for bearing the bearing 8; a semi-cylindrical through hole 202 is formed in the axis position of the support platform 2, and the two semi-cylindrical through holes 202 are combined to form a complete cylindrical through hole for placing the shaft body 10; each support platform 2 is uniformly provided with three cylindrical second through holes 203 along the circumferential direction and used for mounting the screw rods 6;
the outer sleeve 3 is made of a metal material and has a pipe-shaped symmetrical structure, the top end and the bottom end of the outer sleeve 3 are respectively provided with an annular second outer edge 302, and each second outer edge 302 is uniformly provided with six cylindrical third through holes 301 along the circumferential direction and used for mounting the screw 6; the top ends of the six screws 6 are located in the first concave groove 102 of the base 1, and the tail ends of the six screws sequentially penetrate through the second through holes 203 of the two support platforms 2 and the third through hole 301 at the bottom end of the outer sleeve 3, so as to connect the outer sleeve 3, the support platforms 2 and the base 1; the inner diameter of the outer sleeve 3 is equal to the outer diameter of the platform 201 of the support platform 2;
the gland 4 is made of metal materials and is of a pipe ring-shaped symmetrical structure, and a screw hole 401 is formed in the axis position of the gland 4 and used for screwing the screwing screw rod 5; the gland 4 is uniformly provided with six cylindrical fourth through holes 402 along the circumferential direction and used for mounting the screw rods 6; six screw rods 6 penetrate through a fourth through hole 402 of the gland 4 and a third through hole 301 at the top end of the outer sleeve 3 so as to connect the gland 4 and the outer sleeve 3;
the tightening screw 5 is made of metal materials and has a cylindrical symmetrical structure; the tightening screw 5 is formed by combining a force application end 501, a thread end 502 and a positioning end 503 from top to bottom in sequence; the force application end 501 is a flat end cylinder and is used for applying external force to the tightening screw 5; the threaded end 502 is a cylinder with threads on the outer surface, and is used for screwing in or screwing out in the threaded hole 401 of the gland 4; the positioning end 503 is a flat end cylinder and is used for positioning the cushion block 9;
the cushion block 9 is made of metal materials and has a cylindrical symmetrical structure; a second cylindrical concave groove 901 is formed in the axial position of the upper surface of the cushion block 9 and used for bearing the positioning end 503 of the tightening screw rod 5; the inner diameter of the second concave groove 901 is equal to the diameter of the positioning end 503 of the tightening screw 5, the outer diameter of the cushion block 9 is smaller than the inner diameter of the inner ring of the bearing 8, and the height of the cushion block 9 is larger than the height of the inner ring of the bearing 8; the cushion block 9 is a disassembly auxiliary part and is arranged between the shaft body 10 and the tightening screw rod 5 when the shaft body 10 is disassembled;
the inner sleeve 11 is made of metal materials and has a symmetrical tubular structure, and the outer diameter of the inner sleeve 11 is equal to the inner diameter of the outer sleeve 3; the inner diameter of the inner sleeve 11 is equal to the outer diameter of the shaft body 10; the inner sleeve 11 is an installation aid for positioning the shaft body 10 and is disposed inside the outer sleeve 3 when the shaft body 10 is installed.
Further, in the tightening screw 5, the outer diameter of the force application end 501 is larger than that of the threaded end 502, and the outer diameter of the threaded end 502 is larger than that of the positioning end 503.
The utility model provides a dismantle and install device of axis body according to the demand, select to use different auxiliary members and have two kinds of operating condition: in the first state, a disassembling auxiliary member, namely a cushion block, is used as a device for disassembling the shaft body; in the second state, an auxiliary attachment, i.e., an inner sleeve, is used as a means for attaching the shaft body.
the device for disassembling the shaft body consists of one base 1, two supporting platforms 2, one outer sleeve 3, one gland 4, one tightening screw 5, one cushion block 9, twelve screws 6 and twelve nuts 7.
The assembling method comprises the following steps: as shown in fig. 1 to 7, the outer sleeve 3 is first placed outside the shaft body 10, then the two support stands 2 are inserted into the second outer rim 302 of the bottom end of the outer sleeve 3 along the shaft body 10, then the six second through holes 203 of the two support stands 2 are aligned with the six third through holes 301 of the bottom end of the outer sleeve 3, then one screw 6 is respectively installed in each aligned through hole, and then one nut 7 is respectively screwed on the end of each screw 6, so that the two support stands 2 can be assembled with the outer sleeve 3, and the bearing 8 and the shaft body 10 are bound.
Then, the opening of the first concave groove 102 of the base 1 is placed on the ground stably, then the whole body consisting of the two support platforms 2, the outer sleeve 3, the bearing 8 and the shaft body 10 is hoisted to the base 1, the top ends of the six screws 6 on the two support platforms 2 are ensured to enter into the six first concave grooves 102 of the base 1, then the opening of the second concave groove 901 of the cushion block 9 is placed on the upper end of the shaft body 10 stably, the axis of the cushion block 9 is ensured to be coincident with the axis of the shaft body 10, then the gland 4 is placed on the second outer edge 302 of the top end of the outer sleeve 3 stably, then the six fourth through holes 402 of the gland 4 are aligned with the six third through holes 301 on the top end of the outer sleeve 3, and then one screw 6 is installed in each through hole in each group of the pairs, then, one nut 7 is screwed to the end of each screw 6, whereby the gland 4 can be assembled with the outer sleeve 3.
Then the tightening screw 5 is screwed into the screw hole 401 of the gland 4, and then the tightening screw 5 continues to rotate downwards at a constant speed until the positioning end 503 of the tightening screw 5 enters the second concave groove 901 of the cushion block 9, so that the whole device is assembled and can be put into use.
The using method comprises the following steps: before the shaft body 10 is disassembled, the mutual position relationship between the complete set of device and the bearing 8 and the shaft body 10 is shown in fig. 3, then the tightening screw 5 is continuously rotated downwards at a constant speed, when the end part of the shaft body 10 is completely separated from the inner ring of the bearing 8, the tightening screw 5 stops rotating, at this moment, the mutual position relationship between the complete set of device and the bearing 8 and the shaft body 10 is shown in fig. 5, and the shaft body disassembling operation is completed.
The working principle is as follows: as shown in fig. 3, the shaft body 10 is forced to move axially downward by the continuous downward precession of the tightening screw 5; the bearing 8 cannot move downward due to the support of the two platforms 201 of the two stands 2, and thus the shaft body 10 and the bearing 8, which are originally assembled together, are gradually separated.
the device for installing the shaft body consists of the base 1, two supporting platforms 2, the outer sleeve 3, the gland 4, the tightening screw 5, the inner sleeve 11, twelve screws 6 and twelve nuts 7.
The assembling method comprises the following steps: as shown in fig. 8, the two stands 2 are assembled with the outer sleeve 3 by first inserting the two stands 2 into the second outer rim 302 of the bottom end of the outer sleeve 3, then aligning the six second through holes 203 of the two stands 2 with the six third through holes 301 of the bottom end of the outer sleeve 3, then installing one screw 6 in each aligned through hole, and then screwing one nut 7 to the end of each screw 6.
Then the first concave groove 102 of the base 1 is opened upwards and placed on the ground, then the whole of the two support platforms 2 and the outer sleeve 3 is hoisted to the base 1, the top ends of the six screws 6 on the two support platforms 2 are ensured to enter into the six first concave grooves 102 of the base 1, then the bearing 8 is placed on the platform 201 of the two support platforms 2, then the inner sleeve 11 is extended into the outer sleeve 3 and placed on the inner ring of the bearing 8, then the end part of the shaft body 10 is extended downwards into the inner sleeve 11 and placed on the inner ring of the bearing 8, then the gland 4 is placed on the second outer rim 302 of the top end of the outer sleeve 3, then the six fourth through holes 402 of the gland 4 are aligned with the six third through holes 301 of the top end of the outer sleeve 3, the gland 4 can then be assembled with the outer sleeve 3 by mounting one screw 6 in each set of through holes and then threading one nut 7 on each end of each screw 6.
The tightening screw 5 is then screwed into the threaded bore 401 of the gland 4, so that the entire assembly is completed and ready for use.
The using method comprises the following steps: before the shaft body 10 is installed, the mutual position relationship between the whole set of device and the bearing 8 and the shaft body 10 is shown in fig. 8, then the tightening screw 5 is continuously rotated downwards at a constant speed, when the end part of the shaft body 10 completely enters the inner ring of the bearing 8, the tightening screw 5 stops rotating, at this moment, the mutual position relationship between the whole set of device and the bearing 8 and the shaft body 10 is shown in fig. 9, and the operation of installing the shaft body is completed.
The working principle is as follows: as shown in fig. 8, the shaft body 10 is forced to move axially downward by the continuous downward precession of the tightening screw 5; the bearing 8 cannot move downward due to the support of the two platforms 201 of the two stands 2, and thus the shaft body 10 and the bearing 8, which are originally separated, are gradually assembled together.
Therefore, the device for disassembling and assembling the shaft body provided by the utility model adopts the design of the symmetrical structure, the split type support platform can be conveniently inserted between the outer sleeve and the shaft body, and the combination can be completed through the screw connection with the outer sleeve, thereby realizing the supporting and positioning of the bearing, achieving the purpose of safely disassembling or assembling the shaft body, and having the characteristics of low manufacturing cost, good use safety and convenient operation.
It is right above the utility model provides a dismantle and the device of installation axis body introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (2)
1. A device for disassembling and assembling a shaft body, comprising: the device comprises a base, two supporting platforms, an outer sleeve, a gland, a tightening screw, twelve screws, a nut screwed at the tail end of the screw and a dismounting auxiliary part; the dismounting auxiliary part comprises a cushion block or an inner sleeve; wherein the content of the first and second substances,
the base is made of metal materials and has a cuboid symmetrical structure; the axis position of the base is provided with a first cylindrical through hole for sleeving the shaft body; six cylindrical first concave grooves are uniformly formed in the periphery of the first through hole along the circumferential direction, and the inner diameter of each first concave groove is larger than the diameter of a circumscribed circle of the top end of the screw rod, so that the top end of the screw rod can be placed, and the screw rod can be positioned;
the supporting platform is made of metal materials and is of a half-pipe-shaped symmetrical structure, and a half-ring-shaped first outer edge is arranged at the bottom end of the supporting platform along the circumferential direction; the two first outer edges can be combined into a complete annular outer edge, the first outer edge is used for bearing a second outer edge at the bottom end of the outer sleeve, and the platform at the top end of the supporting platform is used for bearing a bearing; a semi-cylindrical through hole is formed in the axis position of the support platform, and the two semi-cylindrical through holes are combined into a complete cylindrical through hole for placing a shaft body; each support is uniformly provided with three cylindrical second through holes along the circumferential direction and used for mounting the screw;
the outer sleeve is made of a metal material and is of a pipe-shaped symmetrical structure, the top end and the bottom end of the outer sleeve are respectively provided with an annular second outer edge, and each second outer edge is uniformly provided with six cylindrical third through holes along the circumferential direction and used for mounting the screw; the top ends of the six screws are positioned in the first concave groove of the base, and the tail ends of the six screws sequentially penetrate through the second through holes of the two support platforms and the third through hole at the bottom end of the outer sleeve so as to connect the outer sleeve, the support platforms and the base; the inner diameter of the outer sleeve is equal to the outer diameter of the platform of the support platform;
the gland is made of metal materials and has a pipe ring-shaped symmetrical structure, and a screw hole is formed in the axis position of the gland and used for screwing the screwing screw; six cylindrical fourth through holes are uniformly formed in the gland along the circumferential direction and used for mounting the screw rods; six screw rods penetrate through a fourth through hole of the gland and a third through hole at the top end of the outer sleeve so as to connect the gland with the outer sleeve;
the tightening screw is made of metal materials and has a cylindrical symmetrical structure; the tightening screw is formed by combining a force application end, a thread end and a positioning end from top to bottom in sequence; the force application end is a flat end cylinder and is used for applying external force to the tightening screw rod; the threaded end is a cylinder with threads on the outer surface and is used for screwing in or screwing out in the screw hole of the gland; the positioning end is a flat end cylinder and is used for positioning the cushion block;
the cushion block is made of metal materials and has a cylindrical symmetrical structure; the axial line position of the upper surface of the cushion block is provided with a cylindrical second concave groove for bearing the positioning end of the tightening screw rod; the inner diameter of the second concave groove is equal to the diameter of the positioning end of the tightening screw rod, the outer diameter of the cushion block is smaller than the inner diameter of the bearing inner ring, and the height of the cushion block is larger than that of the bearing inner ring; the cushion block is a disassembly auxiliary part and is arranged between the shaft body and the tightening screw rod when the shaft body is disassembled;
the inner sleeve is made of metal materials and has a symmetrical tubular structure, and the outer diameter of the inner sleeve is equal to the inner diameter of the outer sleeve; the inner diameter of the inner sleeve is equal to the outer diameter of the shaft body; the inner sleeve is an installation auxiliary part used for positioning the shaft body and is arranged in the outer sleeve when the shaft body is installed.
2. The apparatus of claim 1, wherein the tightening screw has a larger outer diameter of the force applying end than the threaded end and a larger outer diameter of the threaded end than the positioning end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345825.5U CN210025152U (en) | 2019-03-19 | 2019-03-19 | Device for disassembling and assembling shaft body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345825.5U CN210025152U (en) | 2019-03-19 | 2019-03-19 | Device for disassembling and assembling shaft body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210025152U true CN210025152U (en) | 2020-02-07 |
Family
ID=69355400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920345825.5U Withdrawn - After Issue CN210025152U (en) | 2019-03-19 | 2019-03-19 | Device for disassembling and assembling shaft body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210025152U (en) |
-
2019
- 2019-03-19 CN CN201920345825.5U patent/CN210025152U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20220621 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200207 Effective date of abandoning: 20220621 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |