CN114393538A - A large bolt disassembly device for pump end cover - Google Patents
A large bolt disassembly device for pump end cover Download PDFInfo
- Publication number
- CN114393538A CN114393538A CN202111639562.7A CN202111639562A CN114393538A CN 114393538 A CN114393538 A CN 114393538A CN 202111639562 A CN202111639562 A CN 202111639562A CN 114393538 A CN114393538 A CN 114393538A
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- China
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- bolt
- assembly device
- end cover
- disassembly
- nut
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Links
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
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
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
本发明提供一种泵端盖大型螺栓拆装装置，包括螺母扳子，液压千斤顶，螺栓拆装装置，所述螺栓拆装装置为板状，一端设置有两个程弧形排列的圆孔，所述圆孔的孔径大于螺母的外径，两个圆孔的距离与被拆件上两个螺母的间距相同；所述螺栓拆装装置的另一端设置有支撑凹槽。在给水泵大端盖螺栓拆卸过程中，由于螺栓长时间工作在高温环境下，螺栓螺纹会发生卡涩、咬死等现象，需要气割来破坏性拆除。一种大螺栓的拆装装置，很好的解决了这个问题。
The invention provides a large-scale bolt disassembly and assembly device for a pump end cover, including a nut wrench, a hydraulic jack, and a bolt disassembly and assembly device. The diameter of the circular hole is larger than the outer diameter of the nut, and the distance between the two circular holes is the same as the distance between the two nuts on the disassembled part; the other end of the bolt disassembly and assembly device is provided with a support groove. In the process of disassembling the bolts of the large end cover of the feed pump, because the bolts work in a high temperature environment for a long time, the bolt threads will be jammed, seized, etc., and gas cutting is required to destructively dismantle them. A disassembly and assembly device for large bolts solves this problem very well.
Description
技术领域technical field
本发明涉及给水泵大端盖螺栓拆装装置，特别涉及大螺栓的安装和拆除，具体的说是一种泵端盖大型螺栓拆装装置。The invention relates to a bolt disassembly and assembly device for a large end cover of a water supply pump, in particular to the installation and disassembly of a large bolt, in particular to a large bolt disassembly and assembly device for a pump end cover.
背景技术Background technique
由于电厂给水泵长期工作在高温度的的环境下，在汽泵大修过程中汽泵大螺栓会经常卡涩、咬死，造成螺母难以拆卸下来。而公知的方法就是加热之后用大锤敲，或者使用液压扳手，而当其中有螺栓发生卡涩时扭矩会急剧增大，这两种方法都拆不下螺母，只能用气割来破坏性的拆除。给检修造成特别大的困难。Because the power plant feed pump has been working in a high temperature environment for a long time, the large bolts of the steam pump will often jam and bite during the overhaul process of the steam pump, making it difficult to remove the nut. The well-known method is to hit with a sledgehammer after heating, or use a hydraulic wrench, and when a bolt is jammed, the torque will increase sharply. Neither of these two methods can remove the nut, and can only be destructively removed by gas cutting. . Makes maintenance very difficult.
发明内容SUMMARY OF THE INVENTION
为了解决现在给水泵大螺栓拆除时，会发生遇到拆不掉大螺栓而去破坏性拆除造成的经济损失与时间损失；本发明提供了一种大螺栓拆除装置。该装置不仅能过拆除难拆的大螺栓而且能缩短检修工期。In order to solve the economic loss and time loss caused by the destructive removal of the large bolts that cannot be removed when the large bolts of the current water supply pump are removed, the invention provides a large bolt removal device. The device can not only remove the hard-to-remove large bolts but also shorten the maintenance period.
本发明解决其技术问题所采用的技术方案是：The technical scheme adopted by the present invention to solve its technical problems is:
一种泵端盖大型螺栓拆装装置，包括螺母扳子，液压千斤顶，螺栓拆装装置，所述螺栓拆装装置为板状，一端设置有两个程弧形排列的圆孔，所述圆孔的孔径大于螺母的外径，两个圆孔的距离与被拆件上两个螺母的间距相同；所述螺栓拆装装置的另一端设置有支撑凹槽。A large-scale bolt disassembly and assembly device for a pump end cover includes a nut wrench, a hydraulic jack, and a bolt disassembly and assembly device. The diameter of the bolt is larger than the outer diameter of the nut, and the distance between the two circular holes is the same as the distance between the two nuts on the disassembled part; the other end of the bolt disassembly and assembly device is provided with a support groove.
本发明具有结构简单，扭力大的优点，便于大型螺栓拆装的，效率高的优点。The invention has the advantages of simple structure, large torsion force, convenient disassembly and assembly of large bolts, and high efficiency.
附图说明Description of drawings
图1为本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为本发明的拆装工作示意图。Figure 2 is a schematic diagram of the disassembly and assembly work of the present invention.
1、是拆螺母扳子，2、液压千斤顶，3、螺栓拆装装置，4、螺母，5圆孔，6、支撑凹槽。1. It is the wrench for removing the nut, 2. The hydraulic jack, 3. The bolt disassembly and assembly device, 4. The nut, 5. The round hole, 6. The support groove.
具体实施方式Detailed ways
下面结合附图说明，对本发明做进一步的详细阐述。The present invention will be further elaborated below with reference to the accompanying drawings.
一种泵端盖大型螺栓拆装装置，包括螺母扳子，液压千斤顶，螺栓拆装装置，所述螺栓拆装装置为板状，一端设置有两个程弧形排列的圆孔，所述圆孔的孔径大于螺母的外径，两个圆孔的距离与被拆件上两个螺母的间距相同；所述螺栓拆装装置的另一端设置有支撑凹槽。A large-scale bolt disassembly and assembly device for a pump end cover includes a nut wrench, a hydraulic jack, and a bolt disassembly and assembly device. The diameter of the bolt is larger than the outer diameter of the nut, and the distance between the two circular holes is the same as the distance between the two nuts on the disassembled part; the other end of the bolt disassembly and assembly device is provided with a support groove.
利用两个汽泵大螺栓螺母既作为定位孔，将液压千斤放置于支撑凹槽内此既可以保证安全，又可以作为高度调节用，对液压千斤施力，然后通过液压千斤来旋转拆螺母的扳子，当扳子旋转到一定角度，螺栓紧力消除，螺母自然松开，从而能够顺利拆除大螺栓；安装螺母时，只需要将螺栓拆装装置反向安装，重复上述过程即可。The two large bolts and nuts of the steam pump are used as positioning holes, and the hydraulic jack is placed in the support groove, which can not only ensure safety, but also can be used as a height adjustment to apply force to the hydraulic jack, and then rotate the hydraulic jack to remove the nut. When the wrench is rotated to a certain angle, the tightening force of the bolt is eliminated, and the nut is naturally loosened, so that the large bolt can be removed smoothly; when installing the nut, it is only necessary to install the bolt disassembly device in reverse, and repeat the above process.
本发明的有益效果是可以保护大螺栓的同时，可以快速拆除大螺栓，结构简单、效率高、使用寿命长。The beneficial effects of the invention are that the large bolts can be protected and the large bolts can be quickly removed, the structure is simple, the efficiency is high, and the service life is long.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111639562.7A CN114393538A (en) | 2021-12-30 | 2021-12-30 | A large bolt disassembly device for pump end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111639562.7A CN114393538A (en) | 2021-12-30 | 2021-12-30 | A large bolt disassembly device for pump end cover |
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| Publication Number | Publication Date |
|---|---|
| CN114393538A true CN114393538A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111639562.7A Pending CN114393538A (en) | 2021-12-30 | 2021-12-30 | A large bolt disassembly device for pump end cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444570A (en) * | 2023-11-10 | 2024-01-26 | 江苏核电有限公司 | A device for disassembling and assembling end covers of large horizontal centrifugal pumps in nuclear power plants |
-
2021
- 2021-12-30 CN CN202111639562.7A patent/CN114393538A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444570A (en) * | 2023-11-10 | 2024-01-26 | 江苏核电有限公司 | A device for disassembling and assembling end covers of large horizontal centrifugal pumps in nuclear power plants |
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