CN113524104B - Dismounting jig - Google Patents
Dismounting jig Download PDFInfo
- Publication number
- CN113524104B CN113524104B CN202110716992.8A CN202110716992A CN113524104B CN 113524104 B CN113524104 B CN 113524104B CN 202110716992 A CN202110716992 A CN 202110716992A CN 113524104 B CN113524104 B CN 113524104B
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- CN
- China
- Prior art keywords
- wrench
- adjustable
- chain
- spanner
- fixed
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention provides a disassembly and assembly jig which is applied to a first structural component and a second structural component which are in threaded connection, wherein the disassembly and assembly jig comprises a fixed wrench for fixing the first structural component, a first wrench head arranged above the fixed wrench head, a chain arranged on the first wrench head, an adjustable wrench arranged below the fixed wrench head and a transmission piece for connecting the chain and the adjustable wrench, the first wrench head is provided with at least two tensioning rollers, the chain is rotatably sleeved on the at least two tensioning rollers, and the chain is used for screwing the second structural component; the adjustable spanner is rotationally connected with the fixed spanner, and when the adjustable spanner rotates along a first direction relative to the adjustable spanner, the adjustable spanner drives the chain to rotate along the first direction through the transmission part and is used for twisting the second structural part; when the adjustable spanner rotates along a second direction relative to the adjustable spanner, the chain stops rotating; the first direction and the second direction are opposite. The dismounting jig can dismount the instrument in a narrow space, and the operation difficulty is greatly simplified.
Description
Technical Field
The invention belongs to the technical field of nuclear power station overhaul, and particularly relates to a disassembly and assembly jig.
Background
The nuclear power plant is provided with a large number of meters and various small and medium-sized connecting pipelines on site, the meters are connected with the corresponding pipelines in a threaded manner, and the nuclear power plant is widely applied to various systems of the nuclear power plant, so that the normal operation and the safety of the nuclear power plant are maintained. In a nuclear power plant, two wrenches are required for general disassembly and assembly of the instrument, one of the wrenches is used for fixing one of the instrument and the pipeline, and the other wrench is used for disassembly and assembly of the other of the instrument and the pipeline. Because the installation space of part of the instrument is small, the spanner is difficult to fix and the movable range of the spanner is limited, so that the operation of disassembling the instrument is difficult, and even the instrument joint is damaged due to inconsistent stress directions.
Disclosure of Invention
The embodiment of the invention aims to provide a disassembly and assembly jig which is used for solving the technical problem that in the prior art, an instrument is difficult to disassemble and assemble in a narrow space environment.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a dismouting tool is applied to threaded connection's first structure and second structure, includes:
a fixed wrench for fixing the first structural member;
the first spanner is arranged above the fixed spanner and is provided with at least two tensioning rollers;
the chain is rotatably sleeved on at least two tensioning rollers and is used for twisting the second structural member;
the adjustable spanner is arranged below the fixed spanner and is rotationally connected with the fixed spanner; and
the transmission piece is used for connecting the chain and the adjustable spanner;
when the adjustable spanner rotates along a first direction relative to the adjustable spanner, the adjustable spanner drives the chain to rotate along the first direction through the transmission part and is used for twisting the second structural part; when the adjustable spanner rotates along a second direction relative to the adjustable spanner, the chain stops rotating; the first direction is opposite to the second direction.
In one embodiment, the dismounting tool further comprises a connecting shaft connected to the fixed wrench and the first wrench in a rotating mode, the adjustable wrench is fixed to the connecting shaft, and the transmission piece is connected with the connecting shaft.
In one embodiment, the transmission member is a ratchet wheel fixed to the connecting shaft, the ratchet wheel being engaged with the chain.
In one embodiment, the connection shaft is telescopic such that a distance between the fixed wrench and the first wrench is adjustable.
In one embodiment, the first wrench is provided with a first bayonet for clamping the second structural member, and the chain is arranged corresponding to the first bayonet.
In one embodiment, the fixed wrench comprises a second wrench head and a rod body, wherein the second wrench head is arranged below the first wrench head and is used for fixing the first structural member, and the rod body is connected with the second wrench head.
In one embodiment, the rod body and the adjustable wrench are arranged at a preset included angle, and an elastic piece is arranged between the rod body and the adjustable wrench.
In one embodiment, the elastic member is a spring.
In one embodiment, the second wrench and the stem are an integral piece.
In one embodiment, the second wrench is provided with a second bayonet for gripping the first structural member.
The dismounting jig provided by the invention has the beneficial effects that: compared with the prior art, when the dismounting jig is used, the first structural member is fixed by adopting the fixed wrench, so that the chain is abutted against the second structural member, and the first structural member is connected with the second structural member through threads; the adjustable spanner rotates along a first direction relative to the adjustable spanner, and drives the chain to rotate along the first direction through the transmission piece and is used for twisting the second structural member; when the adjustable spanner rotates along a second direction relative to the adjustable spanner, the chain stops rotating; the second structural member can be taken down from the first structural member or screwed on the first structural member by repeating the operation, so that the operation difficulty of disassembling and assembling the instrument in a narrow space environment is simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of a mounting and dismounting tool according to an embodiment of the present invention;
fig. 2 is a schematic top view of a mounting and dismounting tool according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a disassembling tool according to an embodiment of the present invention.
Wherein, each reference sign in the figure:
100-fixed wrench; 110-a second spanner; 111-a second bayonet; 120-rod body; 200-a first spanner; 210-tensioning roller; 220-a first bayonet; 300-chain; 400-adjustable spanner; 500-transmission parts; 600-connecting shaft; 700-elastic member; 800-a second structural member.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 3, an embodiment of the present invention provides a disassembly and assembly fixture, which is applied to a first structural component (not shown) and a second structural component 800 that are in threaded connection, in this embodiment of the present invention, the first structural component may be one of a pipeline and a meter, and the second structural component 800 may be the other of the pipeline and the meter, and of course, the first structural component and the second structural component 800 may be other components that are in threaded connection with each other according to actual situation selection and specific requirements, which is not limited only herein.
The dismounting tool of the embodiment of the invention comprises a fixed wrench 100, a first wrench 200, a chain 300, an adjustable wrench 400 and a transmission piece 500, wherein the first wrench 200 is arranged above the fixed wrench 100, the adjustable wrench 400 is arranged below the fixed wrench 100, namely, the first wrench 200 and the adjustable wrench 400 are arranged on two opposite sides of the fixed wrench 100; the first wrench 200 is provided with at least two tensioning rollers 210, and the chain 300 is rotatably sleeved on the at least two tensioning rollers 210; the fixing wrench 100 is used for fixing a first structural member, and the chain 300 is used for twisting a second structural member 800; the adjustable spanner 400 is rotatably connected to the fixed spanner 100, and the transmission member 500 is used for connecting the chain 300 and the adjustable spanner 400; when the adjustable wrench 400 rotates along the first direction relative to the adjustable wrench 400, the adjustable wrench 400 drives the chain 300 to rotate along the first direction through the transmission member 500 and is used for twisting the second structural member 800; when the adjustable spanner 400 rotates in the second direction relative to the adjustable spanner 400, the chain 300 stops rotating; the first direction and the second direction are opposite. In this embodiment, one of the first direction and the second direction is clockwise and the other is counterclockwise.
When the dismounting jig of the embodiment of the invention is used, the first structural member is fixed by adopting the fixed wrench 100, so that the chain 300 is abutted against the second structural member 800, and the first structural member is in threaded connection with the second structural member 800; the adjustable spanner 400 rotates along a first direction relative to the adjustable spanner 400, and the adjustable spanner 400 drives the chain 300 to rotate along the first direction through the transmission member 500 and is used for twisting the second structural member 800; when the adjustable spanner 400 rotates in the second direction relative to the adjustable spanner 400, the chain 300 stops rotating; the second structural member 800 can be taken down from the first structural member or the second structural member 800 can be screwed on the first structural member by repeating the above operation, so that the operation difficulty of disassembling and assembling the instrument in a narrow space environment is simplified.
As an embodiment of the present invention, as shown in fig. 1 to 3, the dismounting tool further includes a connection shaft 600 rotatably connected to the fixed wrench 100 and the first wrench 200 at the same time, the adjustable wrench 400 is fixed to the connection shaft 600, and the transmission member 500 is connected to the connection shaft 600. Under this structure, the adjustable wrench 400 is rotatably connected to the fixed wrench 100 through the connection shaft 600, and when the adjustable wrench 400 rotates relative to the fixed wrench 100, the adjustable wrench 400 drives the connection shaft 600 to rotate synchronously, and the connection shaft 600 drives the chain 300 to rotate through the transmission member 500, so that the chain 300 rotates the second structural member 800.
As an embodiment of the present invention, as shown in fig. 1 to 3, the transmission member 500 is a ratchet wheel fixed to the connection shaft 600, and the ratchet wheel is engaged with the chain 300. With this structure, when the ratchet rotates in the first direction or the second direction, the chain 300 can only rotate in one direction (in the first direction or the second direction), so that the chain 300 turns the second structural member 800 in a single direction. In this embodiment, the adjustable spanner 400 is fixed to one end of the connection shaft 600, and the transmission member 500 is fixed to the other end of the connection shaft 600.
As a specific embodiment of the present invention, as shown in fig. 1 to 3, the connection shaft 600 is telescopic, so that the distance between the fixed wrench 100 and the first wrench 200 is adjustable, and the disassembly and assembly jig can adapt to meters of different sizes by adjusting the distance between the fixed wrench 100 and the first wrench 200, thereby greatly improving the versatility of the disassembly and assembly jig.
As an embodiment of the present invention, as shown in fig. 2 and 3, the first wrench 200 is provided with a first bayonet 220 for clamping the second structural member 800, and the chain 300 is disposed corresponding to the first bayonet 220. Under this structure, through the second structure 800 of first bayonet 220 card holding, can prevent that second structure 800 from rocking side to side when rotating, avoid breaking or damaging second structure 800, simultaneously, when second structure 800 card held in first bayonet 220, second structure 800 can support tightly in chain 300 and make chain 300 tensioning, and chain 300 can drive second structure 800 rotation when rotating.
As an embodiment of the present invention, as shown in fig. 1 and 2, the fixed wrench 100 includes a second wrench 110 and a rod 120, the second wrench 110 is disposed below the first wrench 200, the second wrench 110 is used for fixing a first structural member, and the rod 120 is connected to the second wrench 110. With this structure, the operator can hold the lever body 120 with one hand and rotate the adjustable wrench 400 with the other hand, and the operation is simple. In this embodiment, the lever 120 is rotatably coupled to the coupling shaft 600.
As an embodiment of the present invention, as shown in fig. 2 and 3, the rod 120 and the adjustable wrench 400 are disposed at a preset included angle, and the preset included angle may specifically be an acute angle, and an elastic member 700 is disposed between the rod 120 and the adjustable wrench 400. Under this structure, when the operator holds the lever body 120 with one hand and rotates the adjustable wrench 400 in the first direction with the other hand, at the same time, the adjustable wrench 400 drives the transmission member 500 to rotate synchronously through the connecting shaft 600, so that the chain 300 rotates and screws the second structural member 800; when the adjustable spanner 400 and the rod body 120 are close to be overlapped, the other hand is used for unloading force, the adjustable spanner 400 rotates towards the second direction and returns to the initial state under the action of the elastic force of the elastic piece 700, and the transmission piece 500 rotating towards the second direction does not drive the chain 300 to rotate towards the second direction because the transmission piece 500 is a ratchet wheel; the second structure 800 may be unscrewed from the first structure by repeating the above operations.
As an embodiment of the present invention, the elastic member 700 is a spring, and of course, the elastic member 700 may be other elastic structures according to actual situations and specific requirements, which is not limited only herein.
As a specific embodiment of the present invention, the second wrench 110 and the rod 120 are integrally formed, and in this structure, the second wrench 110 and the rod 120 may be manufactured through an integral process, thereby simplifying the manufacturing process of the fixed wrench 100. It should be understood that, according to the actual situation and the specific requirement, the second wrench 110 and the rod 120 are separately manufactured and fixedly connected together by other manners, which is not limited only herein.
As an embodiment of the present invention, as shown in fig. 2, the second wrench 110 is provided with a second bayonet 111 for clamping the first structural member, and in this structure, the first structural member can be fixed by clamping the first structural member by the second bayonet 111, so as to prevent the first structural member from swinging or rotating left and right, and facilitate the chain 300 to unscrew the second structural member 800 from the first structural member.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. Dismouting tool is applied to threaded connection's first structure and second structure, a serial communication port includes:
a fixed wrench for fixing the first structural member;
the first spanner is arranged above the fixed spanner and is provided with at least two tensioning rollers;
the chain is rotatably sleeved on at least two tensioning rollers and is used for twisting the second structural member;
the adjustable spanner is arranged below the fixed spanner and is rotationally connected with the fixed spanner; and
the transmission piece is used for connecting the chain and the adjustable spanner;
when the adjustable spanner rotates along a first direction relative to the adjustable spanner, the adjustable spanner drives the chain to rotate along the first direction through the transmission part and is used for twisting the second structural part; or when the adjustable spanner rotates along a second direction relative to the adjustable spanner, the chain stops rotating; the first direction is opposite to the second direction.
2. The disassembly and assembly jig according to claim 1, further comprising a connecting shaft rotatably connected to the fixed wrench and the first wrench, wherein the adjustable wrench is fixed to the connecting shaft, and wherein the transmission member is connected to the connecting shaft.
3. The assembly and disassembly tool of claim 2, wherein the driving member is a ratchet wheel fixed to the connecting shaft, and the ratchet wheel is engaged with the chain.
4. The disassembly tool of claim 2, wherein the connecting shaft is retractable such that a distance between the fixed wrench and the first wrench is adjustable.
5. The assembly and disassembly jig according to any one of claims 1 to 4, wherein the first wrench is provided with a first bayonet for holding the second structural member, and the chain is disposed corresponding to the first bayonet.
6. The fixture of any one of claims 1 to 4, wherein the fixed wrench comprises a second wrench head and a rod body, the second wrench head is arranged below the first wrench head, the second wrench head is used for fixing the first structural member, and the rod body is connected with the second wrench head.
7. The assembly and disassembly jig according to claim 6, wherein the rod body and the adjustable wrench are arranged at a preset included angle, and an elastic piece is arranged between the rod body and the adjustable wrench.
8. The assembly and disassembly tool of claim 7, wherein the elastic member is a spring.
9. The disassembly tool of claim 6, wherein the second wrench and the shank are an integral piece.
10. The assembly and disassembly jig according to claim 6, wherein the second wrench is provided with a second bayonet for holding the first structural member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716992.8A CN113524104B (en) | 2021-06-28 | 2021-06-28 | Dismounting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716992.8A CN113524104B (en) | 2021-06-28 | 2021-06-28 | Dismounting jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113524104A CN113524104A (en) | 2021-10-22 |
| CN113524104B true CN113524104B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110716992.8A Active CN113524104B (en) | 2021-06-28 | 2021-06-28 | Dismounting jig |
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| CN (1) | CN113524104B (en) |
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| CN209850778U (en) * | 2019-03-13 | 2019-12-27 | 北京鑫泰绿能科技有限公司 | Multifunctional wrench suitable for photovoltaic power plant subassembly installation, dismantlement |
| CN112706122A (en) * | 2020-12-30 | 2021-04-27 | 天津鼎维固模架工程股份有限公司 | Disc buckle support is with demolising instrument |
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2021
- 2021-06-28 CN CN202110716992.8A patent/CN113524104B/en active Active
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| DE29511389U1 (en) * | 1995-07-14 | 1995-09-21 | Hazet-Werk Hermann Zerver Gmbh & Co Kg, 42857 Remscheid | Operating tool for tightening or loosening round or polygonal objects, especially oil filter wrenches |
| CN201287308Y (en) * | 2008-09-25 | 2009-08-12 | 上海宝钢设备检修有限公司 | Valve rod of coal gas flow control valve and valve end assembling-disassembling tool |
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| CN202377952U (en) * | 2011-11-15 | 2012-08-15 | 李毅 | Chain type filter wrench |
| CN202592286U (en) * | 2012-04-12 | 2012-12-12 | 北京建筑工程学院 | Special wrench device |
| CN103406861A (en) * | 2013-08-29 | 2013-11-27 | 颜士程 | Electric pipe wrench |
| CN205009116U (en) * | 2015-08-14 | 2016-02-03 | 西安康倍机电科技有限公司 | A spanner for pressurized strut lock nut |
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| CN109623707A (en) * | 2018-12-22 | 2019-04-16 | 中山火炬职业技术学院 | A kind of portable simple monkey wrench |
| CN209440059U (en) * | 2019-02-03 | 2019-09-27 | 刘平丽 | A kind of screws of wellhead special installation tool |
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| CN113524104A (en) | 2021-10-22 |
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