CN219837743U - Bolt assembly and disassembly tools - Google Patents
Bolt assembly and disassembly tools Download PDFInfo
- Publication number
- CN219837743U CN219837743U CN202321302097.2U CN202321302097U CN219837743U CN 219837743 U CN219837743 U CN 219837743U CN 202321302097 U CN202321302097 U CN 202321302097U CN 219837743 U CN219837743 U CN 219837743U
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- bolt
- push
- fixing frame
- pull
- stretcher
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
A bolt dismounting tool comprises a bolt stretcher and a movable connecting device; the movable connecting device is connected to the bolt stretcher; the movable connecting device comprises a fixed frame, a push-pull piece, a locking piece and a universal wheel; the bolt stretcher is connected to the fixing frame; the fixing frame is provided with a protective fence which is provided with a first threaded hole; one end of the locking piece passes through the first threaded hole and is abutted against the outer peripheral surface of the bolt stretcher; one end of the locking piece is provided with an abutting sleeve; the push-pull piece is connected to the outer peripheral surface of the fixing frame; the universal wheel is connected to the bottom end of the fixing frame. The bolt stretcher is placed in the fixing frame, the universal wheel provides stable support for the fixing frame, and workers can push the bolt stretcher to move to a designated position conveniently; the end part of the locking piece with the abutting sleeve penetrates through the first threaded hole to be abutted against the outer peripheral surface of the bolt stretcher, the bolt stretcher is effectively prevented from shaking in the fixing frame, the push-pull piece is detachably connected to the fixing frame, and a worker can conveniently push and pull the bolt stretcher.
Description
Technical Field
The utility model belongs to the technical field of bolt disassembly and assembly, and particularly relates to a bolt disassembly and assembly tool.
Background
Along with development of science and technology, numerous large-scale equipment is industrially built, large-scale equipment all needs numerous large-scale bolt nuts to fix, stability of the equipment is improved, workers need to use auxiliary tools such as a bolt stretcher to detach when detaching and installing the equipment, the bolt stretcher is short for a bolt hydraulic stretcher, the tensile force is determined according to tensile strength, yield coefficient and elongation of materials by means of a hydraulic pressure booster pump, the bolt subjected to force is stretched in an elastic deformation area of the bolt due to the tensile force generated by an ultrahigh pressure oil pump, the diameter of the bolt is slightly deformed, so that the nut is easy to loosen, after the piston in the bolt stretcher is connected with the bolt in a threaded mode, the piston is pushed to move and stretch the bolt by pressurization in the bolt stretcher, and detachment and pre-tightening of the bolt are performed.
When a worker uses the bolt stretcher to stretch the bolt, the worker needs to manually pull the bolt stretcher to move to the position of the bolt to be stretched, and after the work is finished, the worker moves to the next position to be stretched, so that the stretching speed of the bolt stretcher is far higher than that of the worker.
However, the bolt stretcher is heavy in weight, so that workers can carry the bolt stretcher, time and labor are wasted, the bolt stretching efficiency of the workers is seriously affected, the working progress is affected, the feet of the workers can be injured by smashing in the carrying process, and safety is lacked.
Disclosure of Invention
In view of the above, the utility model aims to provide a bolt dismounting tool, which solves the technical problems that in the prior art, the bolt stretcher is heavy in weight, workers carry, time and labor are wasted, the bolt stretching efficiency of the workers is seriously influenced, the working progress is influenced, the feet of the workers can be injured by smashing in the carrying process, and the safety is lacked.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a bolt dismounting tool comprises a bolt stretcher and a movable connecting device;
the movable connecting device is connected to the bolt stretcher;
the movable connecting device comprises a fixed frame, a push-pull piece, a locking piece and a universal wheel;
the bolt stretcher is connected to the fixing frame;
the fixing frame is provided with a protective fence which is provided with a first threaded hole;
one end of the locking piece passes through the first threaded hole and is abutted against the outer peripheral surface of the bolt stretcher;
one end of the locking piece is provided with an abutting sleeve;
the push-pull piece is connected to the outer peripheral surface of the fixing frame;
the universal wheel is connected to the bottom end of the fixing frame.
Further, be equipped with the connecting block on the mount, be equipped with the second screw hole on the connecting block, the one end of push-and-pull spare is equipped with the external screw thread, and the one end of push-and-pull spare is connected at the second screw hole.
Further, the other end of the push-pull member is provided with a T-shaped rod.
Further, an anti-slip layer is arranged on the abutting sleeve.
Further, the guard rail is provided as an annular boss.
Further, the other end of the locking piece is provided with a handle.
Compared with the prior art, the bolt dismounting tool has the following advantages:
(1) The bolt stretcher is placed in the fixing frame on the movable connecting device, the plurality of universal wheels are arranged at the lower end of the fixing frame, and the plurality of universal wheels provide a stable support for the fixing frame, so that a worker can push the bolt stretcher to move to a designated position, and the burden of the worker is reduced; the guard rail can increase the safeguard function of mount, and the retaining member has the tip of butt cover to pass first screw hole butt at the outer peripheral face of bolt stretcher, and a plurality of retaining member butt are on the bolt stretcher, effectually prevent that the bolt stretcher from rocking in the mount, and the push-and-pull piece can be dismantled and be connected on the outer peripheral face of mount, makes things convenient for workman's push-and-pull bolt stretcher, workman labour saving and time saving improves efficiency for the work progress avoids injuring oneself foot by a smash in handling, increases the security.
(2) The connecting block is fixed on the fixing frame, the lower end of the push-pull piece is in threaded connection with the second threaded hole in the connecting block, when a worker needs to push and pull, the push-pull piece can be installed, and when the worker does not need to push and pull, the worker can detach the push-pull piece, so that the push-pull piece is convenient to store.
(3) The T-shaped rod is arranged at the upper end of the push-pull piece, so that a worker can push and pull the fixing frame by both hands, and the T-shaped rod can be used for pushing and pulling by two workers together, so that the push-pull comfort and convenience of the workers are improved.
(4) The anti-slip layer on the outer peripheral surface of the abutting sleeve can increase friction force with the bolt stretcher and stability of the bolt stretcher.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a bolt assembly and disassembly tool according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a fixing frame according to an embodiment of the utility model;
fig. 3 is a schematic structural view of a locking member according to an embodiment of the present utility model.
Reference numerals illustrate:
100-bolt stretcher; 200-a mobile connection device;
201-a fixing frame; 202-a push-pull member;
203-locking member; 204-universal wheels;
205-guard rail; 206-a first threaded hole;
207-abutting sleeve; 208-connecting blocks;
209-a second threaded hole; 210-T-shaped bar;
211-an anti-slip layer; 212-handle.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, the bolt dismounting tool provided by the utility model comprises a bolt stretcher 100 and a movable connecting device 200;
the mobile connection device 200 is connected to the bolt tensioner 100;
the mobile connection device 200 comprises a fixed frame 201, a push-pull member 202, a locking member 203 and a universal wheel 204;
the bolt tensioner 100 is connected to the fixing frame 201;
the fixed frame 201 is provided with a guard rail 205, and the guard rail 205 is provided with a first threaded hole 206;
one end of the locking member 203 passes through the first screw hole 206 and abuts against the outer peripheral surface of the bolt tensioner 100;
an abutting sleeve 207 is arranged at one end of the locking piece 203;
the push-pull member 202 is connected to the outer peripheral surface of the fixing frame 201;
a universal wheel 204 is attached to the bottom end of the mount 201.
In one embodiment of the present utility model, as shown in fig. 1, 2 and 3, when a worker uses the bolt stretcher 100, the worker may directly place the bolt stretcher 100 in the fixing frame 201 on the mobile connection device 200, and a plurality of universal wheels 204 are installed at the lower end of the fixing frame 201, and the plurality of universal wheels 204 provide a stable support for the fixing frame 201, so that the worker can conveniently push the bolt stretcher 100 to move to a designated position, and the burden of the worker is reduced.
The guard rail 205 can increase the safeguard function of mount 201, the retaining member 203 has the tip of butt cover 207 to pass first screw hole 206 butt at the outer peripheral face of bolt stretcher 100, the quantity of retaining member 203 can be a plurality of, a plurality of retaining member 203 butt is on bolt stretcher 100, effectually prevent bolt stretcher 100 rocks in mount 201, push-and-pull piece 202 detachable connection is on the outer peripheral face of mount 201, make things convenient for workman's push-and-pull bolt stretcher 100, workman labour saving and time saving improves efficiency, accelerate the work progress, avoid injuring oneself foot in the handling, increase security.
More preferably, the fixing frame 201 is provided with a connecting block 208, the connecting block 208 is provided with a second threaded hole 209, one end of the push-pull member 202 is provided with external threads, and one end of the push-pull member 202 is connected in the second threaded hole 209.
In one embodiment of the present utility model, as shown in fig. 2 and 3, a connecting block 208 is fixed on the fixing frame 201, the lower end of the push-pull member 202 is screwed into a second threaded hole 209 on the connecting block 208, when a worker needs to push and pull, the worker can install the push-pull member 202, and when the worker does not need to push and pull, the worker can detach the push-pull member 202, so that the push-pull member is convenient to store.
More preferably, the other end of the push-pull member 202 is provided with a T-bar 210.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the T-shaped rod 210 is installed at the upper end of the push-pull member 202, and the T-shaped rod 210 can facilitate the push-pull of the fixing frame 201 by both hands of a worker, and also can be pushed and pulled by two workers together by using the T-shaped rod 210, so that the push-pull comfort and convenience of the workers are increased.
More preferably, the contact sleeve 207 is provided with an anti-slip layer 211.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the anti-slip layer 211 on the outer circumferential surface of the abutment sleeve 207 may increase friction with the bolt tensioner 100, increasing stability of the bolt tensioner 100.
More preferably, the guard rail 205 is provided as an annular boss.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the guard rail 205 is provided as an annular boss, so that the bolt stretcher 100 can be protected in all directions, the bolt stretcher 100 is prevented from being detached from the fixing frame 201, and the stability of the bolt stretcher 100 is increased.
More preferably, the other end of the locking member 203 is provided with a handle 212.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the handle 212 of the locking member 203 can facilitate the abutment of the locking member 203 on the bolt tensioner 100 by a worker, thereby preventing the bolt tensioner 100 from shaking on the fixing frame 201.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A bolt assembly and disassembly tool is characterized in that: comprises a bolt stretcher (100) and a movable connecting device (200);
the movable connecting device (200) is connected to the bolt stretcher (100);
the movable connecting device (200) comprises a fixed frame (201), a push-pull piece (202), a locking piece (203) and a universal wheel (204);
the bolt stretcher (100) is connected to the fixing frame (201);
a guard rail (205) is arranged on the fixing frame (201), and a first threaded hole (206) is formed in the guard rail (205);
one end of the locking piece (203) passes through the first threaded hole (206) to be abutted against the outer peripheral surface of the bolt stretcher (100);
an abutting sleeve (207) is arranged at one end of the locking piece (203);
the push-pull piece (202) is connected to the outer peripheral surface of the fixing frame (201);
the universal wheel (204) is connected to the bottom end of the fixing frame (201).
2. The bolt assembly and disassembly tool according to claim 1, wherein: be equipped with connecting block (208) on mount (201), be equipped with second screw hole (209) on connecting block (208), the one end of push-and-pull spare (202) is equipped with the external screw thread, the one end of push-and-pull spare (202) is connected in second screw hole (209).
3. A bolt assembly and disassembly tool according to claim 2, wherein: the other end of the push-pull piece (202) is provided with a T-shaped rod (210).
4. A bolt assembly and disassembly tool according to claim 3, wherein: an anti-slip layer (211) is arranged on the abutting sleeve (207).
5. The bolt assembly and disassembly tool according to claim 4, wherein: the guard rail (205) is arranged as an annular boss.
6. The bolt assembly and disassembly tool according to claim 5, wherein: the other end of the locking piece (203) is provided with a handle (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302097.2U CN219837743U (en) | 2023-05-26 | 2023-05-26 | Bolt assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302097.2U CN219837743U (en) | 2023-05-26 | 2023-05-26 | Bolt assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219837743U true CN219837743U (en) | 2023-10-17 |
Family
ID=88300387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321302097.2U Active CN219837743U (en) | 2023-05-26 | 2023-05-26 | Bolt assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219837743U (en) |
-
2023
- 2023-05-26 CN CN202321302097.2U patent/CN219837743U/en active Active
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