CN113524104A - Dismounting jig - Google Patents
Dismounting jig Download PDFInfo
- Publication number
- CN113524104A CN113524104A CN202110716992.8A CN202110716992A CN113524104A CN 113524104 A CN113524104 A CN 113524104A CN 202110716992 A CN202110716992 A CN 202110716992A CN 113524104 A CN113524104 A CN 113524104A
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- Prior art keywords
- wrench
- adjustable
- chain
- fixed
- structural member
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- 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 dismounting and mounting jig which is applied to a first structural member and a second structural member which are connected in a threaded manner, wherein the dismounting and mounting jig comprises a fixed wrench for fixing the first structural member, a first wrench head arranged above the fixed wrench, a chain arranged on the first wrench head, a movable wrench arranged below the fixed wrench and a transmission part for connecting the chain and the movable wrench, the first wrench head is provided with at least two tensioning rollers, the chain can be rotatably sleeved on the at least two tensioning rollers, and the chain is used for screwing the second structural member; the adjustable wrench is rotationally connected with the fixed wrench, and when the adjustable wrench rotates along a first direction relative to the adjustable wrench, the adjustable wrench drives the chain to rotate along the first direction through the transmission part and is used for screwing the second structural part; when the adjustable spanner rotates along the second direction relative to the adjustable spanner, the chain stops rotating; the first direction is opposite to the second direction. The disassembling and assembling jig can disassemble and assemble the instrument in a narrow space, and greatly simplifies the operation difficulty.
Description
Technical Field
The invention belongs to the technical field of nuclear power station maintenance, and particularly relates to a disassembling and assembling jig.
Background
A large number of instruments and various small and medium-sized connecting pipelines are installed on the site of a nuclear power plant, the instruments are in threaded connection with the corresponding pipelines, and the instrument is widely applied to various systems of the nuclear power plant and maintains the normal operation and safety of the nuclear power plant. The general dismouting instrument in nuclear power plant needs to use two spanners, and one spanner is used for fixing one of instrument and pipeline, and another spanner is used for dismouting fixed instrument and the other of pipeline. Because part instrument installation space is narrow and small, the spanner is fixed difficult and dismouting spanner home range is limited, leads to dismouting instrument work difficulty, leads to the instrument to connect the damage because of the atress direction is different even.
Disclosure of Invention
The embodiment of the invention aims to provide a disassembling and assembling jig so as to solve 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 purpose, the invention adopts the technical scheme that: the utility model provides a dismouting tool is applied to threaded connection's first structure and second structure, includes:
a fixing wrench for fixing the first structural member;
the first wrench head is arranged above the fixed wrench, and is provided with at least two tensioning rollers;
the chain is rotatably sleeved on the at least two tensioning rollers and used for screwing the second structural part;
the adjustable wrench is arranged below the fixed wrench and is rotationally connected with the fixed wrench; and
the transmission part is used for connecting the chain and the adjustable wrench;
when the adjustable wrench rotates along a first direction relative to the adjustable wrench, the adjustable wrench drives the chain to rotate along the first direction through the transmission part and is used for screwing 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.
In one embodiment, the disassembling and assembling jig further comprises a connecting shaft which is connected to the fixed wrench and the first wrench head in a rotating mode, the adjustable wrench is fixed to the connecting shaft, and the transmission member is connected with the connecting shaft.
In one embodiment, the driving member is a ratchet fixed to the connecting shaft, and the ratchet is engaged with the chain.
In one embodiment, the connecting shaft is telescopic such that the distance between the fixed wrench and the first wrench head is adjustable.
In one embodiment, the first wrench head 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 includes a second wrench head disposed below the first wrench head, and a rod body connected to the second wrench head for fixing the first structural member.
In one embodiment, the rod body and the adjustable wrench are arranged at a preset included angle, and an elastic part is arranged between the rod body and the adjustable wrench.
In one embodiment, the resilient member is a spring.
In one embodiment, the second wrench head and the rod body are integrally formed.
In one embodiment, the second wrench head is provided with a second bayonet for clamping the first structural member.
The dismounting jig provided by the invention has the beneficial effects that: compared with the prior art, when the dismounting and mounting jig is used, the fixed wrench is adopted to fix the first structural member, so that the chain is tightly propped against the second structural member, and the first structural member is in threaded connection with the second structural member; the adjustable wrench rotates along a first direction relative to the adjustable wrench, and the adjustable wrench drives the chain to rotate along the first direction through the transmission piece and is used for screwing the second structural part; when the adjustable spanner rotates along the 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 to the first structural member by repeating the operations, so that the operation difficulty of assembling and disassembling the instrument in a narrow space environment is simplified.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic front view of a detachable jig according to an embodiment of the present invention;
fig. 2 is a schematic top view of a detachable jig according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a disassembling jig according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100-fixed spanner; 110-a second wrench; 111-a second bayonet; 120-a rod body; 200-a first wrench head; 210-a tension roller; 220-a first bayonet; 300-a chain; 400-adjustable spanner; 500-a transmission member; 600-a connecting shaft; 700-an elastic member; 800-a second structural member.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present 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 merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" 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 will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to fig. 3, an embodiment of the present invention provides a disassembling and assembling jig, which is applied to a first structural member (not shown) and a second structural member 800 that are connected by a screw, in an embodiment of the present invention, the first structural member may be one of a pipe and a meter, and the second structural member 800 is the other of the pipe and the meter, and of course, the first structural member and the second structural member 800 may also be other elements that are connected by a screw according to the selection and specific requirements of the actual situation, and the present invention is not limited herein.
The disassembly and assembly jig of the embodiment of the invention comprises a fixed wrench 100, a first wrench head 200, a chain 300, a movable wrench 400 and a transmission member 500, wherein the first wrench head 200 is arranged above the fixed wrench 100, the movable wrench 400 is arranged below the fixed wrench 100, namely the first wrench head 200 and the movable wrench 400 are arranged on two opposite sides of the fixed wrench 100; the first wrench head 200 is provided with at least two tension rollers 210, and the chain 300 can be rotatably sleeved on the at least two tension rollers 210; the fixed wrench 100 is used for fixing the first structural member, and the chain 300 is used for screwing the second structural member 800; the adjustable wrench 400 is rotatably connected to the fixed wrench 100, and the transmission member 500 is used for connecting the chain 300 and the adjustable wrench 400; when the adjustable wrench 400 rotates in a first direction relative to the adjustable wrench 400, the adjustable wrench 400 drives the chain 300 to rotate in the first direction through the transmission member 500 and is used for screwing the second structural member 800; when the adjustable wrench 400 rotates in the second direction relative to the adjustable wrench 400, the chain 300 stops rotating; the first direction is opposite to the second direction. In this embodiment, one of the first direction and the second direction is clockwise and the other is counterclockwise.
When the dismounting and mounting jig of the embodiment of the invention is used, the fixed wrench 100 is adopted to fix the first structural member, so that the chain 300 is tightly abutted against the second structural member 800, and the first structural member is in threaded connection with the second structural member 800; the adjustable wrench 400 rotates along a first direction relative to the adjustable wrench 400, and the adjustable wrench 400 drives the chain 300 to rotate along the first direction through the transmission member 500 and is used for screwing the second structural member 800; when the adjustable wrench 400 rotates in the second direction relative to the adjustable wrench 400, the chain 300 stops rotating; by repeating the above operations, the second structure 800 can be taken off from the first structure or the second structure 800 can be screwed to the first structure, which simplifies the difficulty in assembling and disassembling the instrument in a narrow space environment.
As an embodiment of the present invention, as shown in fig. 1 to 3, the disassembling and assembling jig further includes a connecting shaft 600 rotatably connected to the fixed wrench 100 and the first wrench head 200, the adjustable wrench 400 is fixed to the connecting shaft 600, and the transmission member 500 is connected to the connecting shaft 600. Under this structure, adjustable spanner 400 rotates through connecting axle 600 and connects in fixed spanner 100 to, when adjustable spanner 400 rotated for fixed spanner 100, adjustable spanner 400 can drive connecting axle 600 synchronous rotation, and connecting axle 600 drives chain 300 through driving medium 500 and rotates, makes chain 300 twist second structure 800.
As an embodiment of the present invention, as shown in fig. 1 to 3, the transmission member 500 is a ratchet fixed to the connecting shaft 600, and the ratchet 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 rotate only in one direction (in the first direction or the second direction), so that the chain 300 can rotate the second structure 800 in one direction. In this embodiment, the adjustable wrench 400 is fixed to one end of the connecting shaft 600, and the transmission member 500 is fixed to the other end of the connecting shaft 600.
As an embodiment of the present invention, as shown in fig. 1 to 3, the connecting shaft 600 can be extended and retracted, so that the distance between the fixed wrench 100 and the first wrench head 200 can be adjusted, and the detachable jig can be adapted to meters of different sizes by adjusting the distance between the fixed wrench 100 and the first wrench head 200, thereby greatly improving the universality of the detachable jig.
As an embodiment of the present invention, as shown in fig. 2 and 3, the first wrench head 200 is provided with a first bayonet 220 for clamping the second structure 800, and the chain 300 is disposed corresponding to the first bayonet 220. Under this structure, block second structure 800 through first bayonet 220, can prevent that second structure 800 from rocking from side to side when rotating, avoid breaking or damaging second structure 800, simultaneously, when second structure 800 blocks in first bayonet 220, second structure 800 can support tightly in chain 300 and make chain 300 tensioning, can drive second structure 800 and rotate when chain 300 rotates.
As an embodiment of the present invention, as shown in fig. 1 and 2, the fixed wrench 100 includes a second wrench head 110 and a rod 120, the second wrench head 110 is disposed below the first wrench head 200, the second wrench head 110 is used for fixing a first structural member, and the rod 120 is connected to the second wrench head 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 rod 120 is rotatably connected to the connecting 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 predetermined included angle, which may be an acute angle, and the elastic member 700 is disposed between the rod 120 and the adjustable wrench 400. With this structure, when the operator holds the rod 120 with one hand and rotates the adjustable wrench 400 in the first direction with the other hand, the adjustable wrench 400 drives the transmission member 500 to rotate synchronously via the connection shaft 600, so that the chain 300 rotates and twists the second structural member 800; when the adjustable wrench 400 and the rod 120 are close to coincide, the other hand releases the force, and the adjustable wrench 400 rotates in the second direction and returns to the initial state under the elastic force of the elastic member 700, and since the transmission member 500 is a ratchet, the transmission member 500 rotating in the second direction does not drive the chain 300 to rotate in the second direction; the second structure 800 may be unscrewed from the first structure by repeating the above operations.
The elastic member 700 is a spring according to an embodiment of the present invention, but the elastic member 700 may be other elastic structures according to the choice of actual conditions and specific requirements, and is not limited herein.
In an embodiment of the present invention, the second wrench head 110 and the shaft 120 are integrally formed, and in this structure, the second wrench head 110 and the shaft 120 can be manufactured by an integral forming process, which simplifies the manufacturing process of the fixed wrench 100. It is understood that the second wrench head 110 and the shaft 120 are independently manufactured and fixedly connected together by other means according to the choice and specific requirements of the actual situation, and are not limited herein.
As an embodiment of the present invention, as shown in fig. 2, the second wrench head 110 is provided with a second bayonet 111 for holding the first structural member, and in this structure, the first structural member can be fixed by holding the first structural member through the second bayonet 111, so as to prevent the first structural member from swinging or rotating left and right, so that the chain 300 can unscrew the second structural member 800 from the first structural member.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a dismouting tool, is applied to threaded connection's first structure and second structure, its characterized in that includes:
a fixing wrench for fixing the first structural member;
the first wrench head is arranged above the fixed wrench, and is provided with at least two tensioning rollers;
the chain is rotatably sleeved on the at least two tensioning rollers and used for screwing the second structural part;
the adjustable wrench is arranged below the fixed wrench and is rotationally connected with the fixed wrench; and
the transmission part is used for connecting the chain and the adjustable wrench;
when the adjustable wrench rotates along a first direction relative to the adjustable wrench, the adjustable wrench drives the chain to rotate along the first direction through the transmission part and is used for screwing 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.
2. The assembly and disassembly jig of claim 1, further comprising a connecting shaft rotatably connected to the fixed wrench and the first wrench head, wherein the adjustable wrench is fixed to the connecting shaft, and the transmission member is connected to the connecting shaft.
3. The assembly and disassembly jig of claim 2, wherein the transmission member is a ratchet fixed to the connecting shaft, and the ratchet is engaged with the chain.
4. The disassembly and assembly jig of claim 2, wherein the connecting shaft is retractable, such that a distance between the fixed wrench and the first wrench head is adjustable.
5. The assembly and disassembly jig of any one of claims 1 to 4, wherein the first wrench head is provided with a first bayonet for clamping the second structural member, and the chain is disposed corresponding to the first bayonet.
6. The assembly and disassembly jig of any one of claims 1 to 4, wherein the fixed wrench comprises a second wrench head and a rod, the second wrench head is disposed below the first wrench head, the second wrench head is used for fixing the first structural member, and the rod is connected to the second wrench head.
7. The assembly and disassembly jig of claim 6, wherein the rod and the adjustable wrench are disposed at a predetermined included angle, and an elastic member is disposed between the rod and the adjustable wrench.
8. The jig for disassembling and assembling of claim 7, wherein the elastic member is a spring.
9. The assembly and disassembly jig of claim 6, wherein the second wrench head and the rod body are integrally formed.
10. The assembly and disassembly jig of claim 6, wherein the second wrench head 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 true CN113524104A (en) | 2021-10-22 |
| CN113524104B CN113524104B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110716992.8A Active CN113524104B (en) | 2021-06-28 | 2021-06-28 | Dismounting jig |
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| CN208051788U (en) * | 2018-03-23 | 2018-11-06 | 中建八局第一建设有限公司 | A kind of limit-type monkey wrench of chain |
| CN208713869U (en) * | 2018-07-09 | 2019-04-09 | 中国石油天然气股份有限公司 | Combined wrench |
| 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 |
| CN110497347A (en) * | 2019-09-25 | 2019-11-26 | 陕西陕煤韩城矿业有限公司 | A kind of mining multifunctional spanner |
| 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 |
-
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 |
| CN107053056A (en) * | 2017-04-05 | 2017-08-18 | 泸州市金松机械设备制造有限公司 | Driving end Combined type integral spanner |
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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 |
| 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 |
| CN110497347A (en) * | 2019-09-25 | 2019-11-26 | 陕西陕煤韩城矿业有限公司 | A kind of mining multifunctional spanner |
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| Publication number | Publication date |
|---|---|
| CN113524104B (en) | 2023-09-22 |
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