CN215928383U - Clamp device for replacing shaft sealing element - Google Patents
Clamp device for replacing shaft sealing element Download PDFInfo
- Publication number
- CN215928383U CN215928383U CN202121587885.1U CN202121587885U CN215928383U CN 215928383 U CN215928383 U CN 215928383U CN 202121587885 U CN202121587885 U CN 202121587885U CN 215928383 U CN215928383 U CN 215928383U
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- clamping
- shaft
- replacing
- clamp device
- shaft seal
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- 238000007789 sealing Methods 0.000 title abstract description 13
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A clamp device for replacing a shaft seal, comprising: clamping structure and drive structure, clamping structure includes four clamping member, clamping member is right angle "L" type structure, four clamping member docks into a rectangle, clamping member's lower lateral part is provided with the grip block that is used for the centre gripping axle cover, and drive structure is used for promoting clamping structure and axle cover behind clamping structure with the axle cover centre gripping. The clamp device for replacing the shaft sealing element is simple in structure and convenient to install and operate, and adopts a plurality of sections of clamping components to clamp the shaft cover, so that the labor cost is reduced, and the risk of injury to workers is reduced; the telescopic clamping component can be used for shaft covers with different shaft diameters; the antiskid pad arranged on the clamping block can effectively reduce the damage to the shaft cover in the operation process; adopt mechanical drive's mode, promote from the multiple spot for operation process is more steady, effectively reduces the damage to main shaft and shaft cover.
Description
Technical Field
The utility model relates to an auxiliary device of a pumped storage power station, in particular to a clamp device for replacing a shaft sealing element.
Background
The energy is the basis of economic life development, and clean energy plays an important role in sustainable development.
Hydroelectric power is one of the important components of clean energy, while pumped storage power stations are one of the important components of hydroelectric power.
In a pumped storage power station, a generator is one of core devices, a main shaft of the generator is one of core components of the generator, and the main shaft is generally provided with a sealing element to prevent the main shaft from being corroded and damaged by moisture, humidity and the like, and the sealing element needs to be frequently replaced just because of the influence of the moisture on the sealing element to ensure good sealing performance.
The shaft seal is in the change in-process, generally adopts manual operation to change, nevertheless because the sealing member weight is great, and operating space is less, not only causes the damage to the staff easily, causes the damage to the self of sealing member or the bolt that is used for fastening the sealing member very easily moreover in the operation process to lead to sealed effect variation, there is the risk that the main shaft is corroded.
SUMMERY OF THE UTILITY MODEL
To overcome the disadvantages of the prior art, the present invention provides a clamping device for replacing a shaft seal.
The utility model adopts the following technical scheme:
a clamp device for replacing a shaft seal, comprising: clamping structure and drive structure, clamping structure includes four clamping member, clamping member is right angle "L" type structure, four clamping member docks into a rectangle, clamping member's lower lateral part is provided with the grip block that is used for the centre gripping axle cover, and drive structure is used for promoting clamping structure and axle cover behind clamping structure with the axle cover centre gripping.
Preferably, the side plates on both sides of the clamping member are of telescopic structures and can be locked after being stretched to a preset length so as to deal with shaft covers with different shaft diameters.
Preferably, a non-slip pad is arranged on one side of the clamping block, which is used for being in contact with the shaft cover.
Preferably, a connection block is provided above an end of the abutting portion of the clamping member.
Preferably, the connecting block is provided with a connecting hole for connecting two adjacent clamping members.
Preferably, the clamping device further comprises the same number of support structures as the number of clamping members.
Preferably, the lower side of the support structure is provided with a fastening block.
Preferably, the number of the fastening blocks is at least two.
Preferably, the fastening block is configured to receive two connecting blocks.
Preferably, the fastening block is provided with a fastening hole.
Preferably, the clamping structure and the support structure are connected by a connection hole and a fastening hole.
Preferably, the drive structure is arranged below the support structure, and the clamping structure and the shaft cover are lifted by supporting the support structure from below.
Preferably, the upper side of the gripping member is further provided with a handle.
Compared with the prior art, the utility model has the beneficial effects that:
the clamp device for replacing the shaft sealing element is simple in structure and convenient to install and operate, and the shaft cover is clamped by the multi-section clamping components, so that the labor cost is reduced, and the risk of injury to workers is reduced; the telescopic clamping component can be used for shaft covers with different shaft diameters, so that the application range is expanded; the antiskid pad arranged on the clamping block can effectively reduce the damage to the shaft cover in the operation process; adopt mechanical drive's mode, promote from the multiple spot, not only reduced artificial input, simultaneously for operation process is more steady, effectively reduces the damage to main shaft and shaft cover, makes sealed effect better.
Drawings
FIG. 1 is a schematic view of a clamping member of a clamping apparatus for replacing a shaft seal according to the present invention;
FIG. 2 is a schematic structural view of a support structure in a fixture apparatus for replacing a shaft seal according to the present invention;
fig. 3 is a view of a clamp device for replacing a shaft seal of the present invention in use.
In the figure:
1-a clamping member;
101-connecting block;
102-connecting hole;
103-a clamping block;
104-a handle;
2-a support structure;
201-a fastening block;
202-fastening holes;
3-driving structure.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 3, the clamping device for replacing a shaft seal disclosed in the present invention mainly comprises a clamping structure and a driving structure 3, wherein the shaft seal is replaced by clamping the shaft cover through the clamping structure and then removing the shaft cover through the driving structure 3.
As shown in fig. 1, the clamping structure includes four clamping members 1, the clamping members 1 are in a right-angle "L" shape, and the four clamping members 1 are butted to form a rectangle. The clamping structure that a plurality of clamping member 1 formed can form a plurality of support point positions, and every support point position all is provided with drive structure 3 and promotes to this reaches steadily when promoting the shaft cap, the little purpose of damage that causes main shaft, shaft cap.
The side plates on the two sides of the clamping component 1 are of telescopic structures, and can be locked after being stretched to a preset length, so that the clamping component is used for coping with shaft covers with different shaft diameters, and the application range of the clamping device is expanded.
The lower side of the clamping member 1 is provided with a clamping block 103 for clamping the shaft cover, and preferably, one side of the clamping block 103 for contacting the shaft cover is provided with a non-slip pad, so that the shaft cover is prevented from slipping off when being lifted, and the non-slip pad can effectively reduce the damage of the clamping block 103 to the shaft cover.
The connecting block 101 is arranged above the butt joint end of the clamping members 1, every two adjacent clamping members 1 are connected together through the connecting block 101, and the connecting block 101 is provided with a connecting hole 102 for connecting the two clamping members 1.
The upper side of the clamping member 1 is also provided with a handle 104 for easier carrying and moving of the clamping member 1.
As shown in fig. 2, the clamping device of the utility model further comprises the same number of support structures 2 as clamping members 1.
The lower side of the supporting structure 2 is provided with at least two fastening blocks 201, the fastening blocks 201 are at least two, the fastening blocks 201 are configured to accommodate two connecting blocks 101, and at least two fastening holes 202 are provided on the fastening blocks 201. The clamping member 1 and the support structure 2 are connected together by a connecting block 101 and a fastening block 201.
At least two connecting holes 102 are formed in the connecting block 101, and when the clamping members 1 constitute a clamping structure but are not fixedly connected, the support structure 2 is placed above the connecting block 101 such that the fastening blocks 201 are placed on both sides of the connecting block 101, and then adjacent two clamping members 1 and the support structure 2 are connected using bolts.
More preferably, four coupling holes 102 are provided on the connection block 101, when the clamping members 1 constitute the clamping structure, adjacent two clamping members 1 are coupled by passing bolts through the inner two coupling holes 102, the support structure 2 is placed over the coupling holes 101 such that the two fastening holes 202 of the fastening block 201 correspond to the outer two coupling holes 102 of the connection block 101, and then the clamping members 1 are coupled to the support structure 2 by bolts.
After supporting structure 2 and clamping member 1 are connected, the outside of the shaft cover is stretched out to a part of supporting structure 2 for drive structure 3 can set up in supporting structure 2's below, thereby promotes supporting structure 2, thereby drives clamping structure and shaft cover and promotes. The driving structure 3 is a lifting device with mechanical power, and more preferably, the driving structure 3 is a jack.
The drive structure 3 can also be a hoisting device suspended above, which is connected to the attachment holes 102 of the gripping members 1 or the support structure 2 using a hoisting line and subsequently lifts the gripping members 1 or the support structure 2 above, thereby bringing the gripping structure and the axle cover to the lift.
Compared with the prior art, the utility model has the beneficial effects that:
the clamp device for replacing the shaft sealing element is simple in structure and convenient to install and operate, and the shaft cover is clamped by the multi-section clamping components, so that the labor cost is reduced, and the risk of injury to workers is reduced; the telescopic clamping component can be used for shaft covers with different shaft diameters, so that the application range is expanded; the antiskid pad arranged on the clamping block can effectively reduce the damage to the shaft cover in the operation process; adopt mechanical drive's mode, promote from the multiple spot, not only reduced artificial input, simultaneously for operation process is more steady, effectively reduces the damage to main shaft and shaft cover, makes sealed effect better.
The applicant has described and illustrated embodiments of the present invention in detail with reference to the drawings attached hereto, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A clamp device for replacing a shaft seal, comprising: clamping structure and drive structure (3), its characterized in that:
the clamping structure comprises four clamping members (1),
the clamping component (1) is of a right-angle L-shaped structure,
four clamping members (1) are butted to form a rectangle,
the lower side part of the clamping component (1) is provided with a clamping block (103) used for clamping the shaft cover,
the driving structure (3) is used for lifting the clamping structure and the shaft cover after the shaft cover is clamped by the clamping structure.
2. A clamp device for replacing a shaft seal according to claim 1, wherein:
the side plates on two sides of the clamping component (1) are of telescopic structures and can be locked after being stretched to a preset length so as to correspond to shaft covers with different shaft diameters.
3. A clamp device for replacing a shaft seal according to claim 1, wherein:
and an anti-slip pad is arranged on one side of the clamping block (103) which is used for being in contact with the shaft cover.
4. A clamp device for replacing a shaft seal according to claim 1, wherein:
a connecting block (101) is arranged above the end part of the butt joint part of the clamping component (1),
the connecting block (101) is provided with a connecting hole (102) for connecting two adjacent clamping members (1).
5. A clamp device for replacing a shaft seal according to claim 4, wherein:
the clamp device further comprises the same number of support structures (2) as clamping members (1).
6. A clamp device for replacing a shaft seal according to claim 5, wherein:
the lower side part of the supporting structure (2) is provided with a fastening block (201).
7. A clamp device for replacing a shaft seal according to claim 6, wherein:
the number of the fastening blocks (201) is at least two,
the fastening block (201) is configured to receive two connecting blocks (101).
8. A clamp device for replacing a shaft seal according to claim 7, wherein:
the fastening block (201) is provided with a fastening hole (202),
the clamping structure and the supporting structure (2) are connected by a connecting hole (102) and a fastening hole (202).
9. A clamp device for replacing a shaft seal according to claim 1, wherein:
the driving structure (3) is arranged below the supporting structure (2), and the clamping structure and the shaft cover are lifted up in a mode of supporting the supporting structure (2) from the lower part.
10. A clamp device for replacing a shaft seal according to claim 1, wherein:
the upper side part of the clamping component (1) is also provided with a handle (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587885.1U CN215928383U (en) | 2021-07-13 | 2021-07-13 | Clamp device for replacing shaft sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587885.1U CN215928383U (en) | 2021-07-13 | 2021-07-13 | Clamp device for replacing shaft sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928383U true CN215928383U (en) | 2022-03-01 |
Family
ID=80400401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121587885.1U Active CN215928383U (en) | 2021-07-13 | 2021-07-13 | Clamp device for replacing shaft sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928383U (en) |
-
2021
- 2021-07-13 CN CN202121587885.1U patent/CN215928383U/en active Active
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