CN209380665U - A kind of axle sleeve disassembling fixture - Google Patents
A kind of axle sleeve disassembling fixture Download PDFInfo
- Publication number
- CN209380665U CN209380665U CN201821626966.6U CN201821626966U CN209380665U CN 209380665 U CN209380665 U CN 209380665U CN 201821626966 U CN201821626966 U CN 201821626966U CN 209380665 U CN209380665 U CN 209380665U
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- CN
- China
- Prior art keywords
- axle sleeve
- liquid nitrogen
- clamp system
- filling channel
- clamped
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Abstract
The utility model discloses a kind of axle sleeve disassembling fixtures, the clamp system of confined space is formed in the axle sleeve including being clamped in axle sleeve, the liquid nitrogen filling channel being connected to the confined space is provided on the clamp system, liquid nitrogen filling channel is connected with liquid nitrogen bottle.Clamp system is clamped when needing to take out axle sleeve by axle sleeve using this kind of axle sleeve disassembling fixture, then to liquid nitrogen filling channel in injection liquid nitrogen make axle sleeve fast cooling, because expanding with heat and contract with cold so that axle sleeve becomes smaller, then clamp system is touched again, and axle sleeve is taken out or is packed into, this kind of axle sleeve dismounting tooling can be avoided tradition machinery cutting in disassembly and strength extrudes and pump case axis hole is caused to pull and mechanical failure, it can be avoided the destructive damage of axle sleeve simultaneously, and effectively improve disassembly efficiency.
Description
Technical field
The utility model belongs to component of machine dismantling device technical field, and specifically a kind of axle sleeve dismantling device is used for
Dismount the axle sleeve of interference installation.
Background technique
In the prior art, when axle sleeve is replaced in maintenance, the modes such as old axle sleeve are generally extruded using machine cut and strength, are held
It easily causes and is pulled around axis hole and the destructive damage of mechanical failure and axle sleeve.Currently used method is heating axis hole,
Axis hole can be taken out conveniently axle sleeve after increasing.
And the structural volume for some current biggish axis hole positions of volume it is larger when, then be difficult to using heated mandrel
The method in hole dismounts axle sleeve.Such as: LNG receiving station storage tank low-lift pump generallys use the vertical of JC Carter company, U.S. production
Immersed pump, the pump housing use aluminum alloy materials, and axle sleeve is mounted on the pump housing using Cu alloy material interference, due to the mill of inner hole of shaft sleeve
Damage maintenance needs replacing axle sleeve.And the shell volume larger heating pumped is difficult, is generally also merely able to using machine cut and strength
The mode for extruding old axle sleeve is dismantled, and the axis hole in pump case is be easy to cause to pull and the destruction of mechanical failure and axle sleeve
Property damage.
Summary of the invention
The utility model can quickly dismount axle sleeve, keep away in view of the shortcomings of the prior art, provide a kind of axle sleeve disassembling fixture
Exempt from tradition machinery cutting and strength extrudes and pump case axis hole is caused to pull and mechanical failure, while can be avoided the destructiveness of axle sleeve
Damage.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals: a kind of axle sleeve disassembly
Tooling forms the clamp system of confined space including being clamped in axle sleeve in the axle sleeve, be provided on the clamp system with
The liquid nitrogen of the confined space connection fills channel, and liquid nitrogen filling channel is connected with liquid nitrogen bottle.It is dismantled using this kind of axle sleeve
Clamp system is clamped axle sleeve when needing to take out axle sleeve by tooling, then to liquid nitrogen filling channel in injection liquid nitrogen make axle sleeve
Then fast cooling is touched clamp system and axle sleeve is taken out or is packed into again because expanding with heat and contract with cold so that axle sleeve becomes smaller, this kind of axle sleeve
Dismounting tooling can be avoided tradition machinery cutting in disassembly and strength extrudes and pump case axis hole is caused to pull and mechanical failure, together
When can be avoided the destructive damage of axle sleeve, and effectively improve disassembly efficiency.
In above-mentioned technical proposal, it is preferred that the clamp system includes having the bottom plate of through-hole and tearing open with screw hole
Body is unloaded, connection bolt is equipped in the through-hole and the screw hole, liquid nitrogen filling channel is provided in the detaching object.Using
Detaching object and bottom plate are separately mounted to the both ends of axle sleeve and are clamped by bolt by the structure when dismantling axle sleeve, then to liquid
Liquid nitrogen is injected in nitrogen filling channel and makes axle sleeve fast cooling, because expanding with heat and contract with cold so that axle sleeve becomes smaller, then touches detaching object again
Axle sleeve is taken out, or axle sleeve is packed by tapping bottom plate.
In above-mentioned technical proposal, it is preferred that be provided with gasket between the bottom plate and the detaching object.Gasket is set
The leakproofness between axle sleeve and bottom plate and axle sleeve and detaching object can be improved, prevent liquid nitrogen from leaking.
In above-mentioned technical proposal, it is preferred that be threaded with backing plate in the detaching object, the axle sleeve is clamped in the pad
Between plate and the bottom plate.Backing plate can be quickly replaced by this kind of structure, enables backing plate according to different size of axis
Set chooses to install, and uses so that the dismounting tooling can be suitable for various different size of axle sleeve dismounting.
The utility model compared with prior art, is had the following beneficial effects: and is being needed using this kind of axle sleeve disassembling fixture
Clamp system clamped into axle sleeve when taking out axle sleeve, then into liquid nitrogen filling channel injection liquid nitrogen make axle sleeve fast cooling,
Because expanding with heat and contract with cold so that axle sleeve becomes smaller, clamp system is then touched again, axle sleeve is taken out or is packed into, this kind of axle sleeve dismounts tooling
It can be avoided tradition machinery cutting in disassembly and strength extrude and pump case axis hole is caused to pull and mechanical failure, while can keep away
Exempt from the destructive damage of axle sleeve, and effectively improves disassembly efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing: referring to Fig. 1, a kind of axis
Disassembling fixture is covered, forms the clamp system 2 of confined space, the clamp system 2 in the axle sleeve 1 including being clamped in axle sleeve 1
On be provided with the liquid nitrogen filling channel 3 being connected to the confined space, liquid nitrogen filling channel 3 is connected with liquid nitrogen bottle (on figure
It is not drawn into).In the present embodiment, the clamp system 2 includes the bottom plate 4 with through-hole 41 and the detaching object with screw hole 51
5, the through-hole 41 and interior be equipped with of the screw hole 51 connect bolt 6, and liquid nitrogen filling channel 3 is provided in the detaching object 5.
In order to improve the leakproofness between axle sleeve and bottom plate and axle sleeve and detaching object, prevent liquid nitrogen from leaking, the bottom plate 4
Gasket 7 is provided between the detaching object 5.
Backing plate 8 is threaded in the detaching object 5, the axle sleeve 1 is clamped between the backing plate 8 and the bottom plate 4.
Backing plate can be quickly replaced by this kind of structure, backing plate is chosen to install according to different size of axle sleeve, so that should
Various different size of axle sleeve dismounting uses can be suitable for by dismounting tooling.
Axle sleeve dismounting tooling in the present embodiment selects the backing plate of suitable size to be attached in detaching object first in disassembly,
Then detaching object and bottom plate are placed into axle sleeve position alignment from two sides respectively and are fastened by bolts clamping, be then turned on liquid nitrogen
Bottle injects liquid nitrogen into axle sleeve and is allowed to cooling contraction, touches detaching object again after closing liquid nitrogen bottle and takes out axle sleeve；It is being packed into axle sleeve
When, it selects the backing plate of suitable size to be attached in detaching object first, detaching object and bottom plate is then placed into axle sleeve from two sides respectively
Position alignment is simultaneously fastened by bolts clamping, is then turned on liquid nitrogen bottle and injects liquid nitrogen into axle sleeve and be allowed to cool down and shrink, closes liquid
Bottom plate is touched after nitrogen bottle again and is packed into axle sleeve.This kind of axle sleeve dismounting tooling can be avoided tradition machinery cutting and strength in disassembly
Extrusion causes pump case axis hole to pull and mechanical failure, while can be avoided the destructive damage of axle sleeve, and effectively improve dismounting
Efficiency.
Claims (4)
1. a kind of axle sleeve disassembling fixture, it is characterised in that: form confined air including being clamped in the axle sleeve (1) with axle sleeve (1)
Between clamp system (2), liquid nitrogen filling channel (3) being connected to the confined space, institute are provided on the clamp system (2)
It states liquid nitrogen filling channel (3) and is connected with liquid nitrogen bottle.
2. a kind of axle sleeve disassembling fixture as described in claim 1, it is characterised in that: the clamp system (2) includes having to lead to
The bottom plate (4) in hole (41) and the detaching object (5) with screw hole (51), the through-hole (41) and the interior company of being equipped with of the screw hole (51)
Connecting bolt (6) is provided with liquid nitrogen filling channel (3) on the detaching object (5).
3. a kind of axle sleeve disassembling fixture as claimed in claim 2, it is characterised in that: the bottom plate (4) and the detaching object (5)
Between be provided with gasket (7).
4. a kind of axle sleeve disassembling fixture as claimed in claim 2, it is characterised in that: be threaded on the detaching object (5)
Backing plate (8), the axle sleeve (1) are clamped between the backing plate (8) and the bottom plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626966.6U CN209380665U (en) | 2018-10-08 | 2018-10-08 | A kind of axle sleeve disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626966.6U CN209380665U (en) | 2018-10-08 | 2018-10-08 | A kind of axle sleeve disassembling fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209380665U true CN209380665U (en) | 2019-09-13 |
Family
ID=67866389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626966.6U Active CN209380665U (en) | 2018-10-08 | 2018-10-08 | A kind of axle sleeve disassembling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209380665U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977872A (en) * | 2019-12-20 | 2020-04-10 | 东方电气集团东方汽轮机有限公司 | Valve seat dismounting device and method |
| CN111360749A (en) * | 2020-02-27 | 2020-07-03 | 中船澄西船舶修造有限公司 | Fan blade dismounting tool |
| CN112025614A (en) * | 2020-07-30 | 2020-12-04 | 江苏永昊高强度螺栓有限公司 | Bolt suitable for capital construction engineering and disassembling method of bolt |
| CN113653875A (en) * | 2021-09-14 | 2021-11-16 | 中车大同电力机车有限公司 | Oil separator and mining dump truck |
| CN113977253A (en) * | 2021-11-29 | 2022-01-28 | 广东华电韶关热电有限公司 | Rapid turbine coupling bolt disassembling tool and using method |
-
2018
- 2018-10-08 CN CN201821626966.6U patent/CN209380665U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977872A (en) * | 2019-12-20 | 2020-04-10 | 东方电气集团东方汽轮机有限公司 | Valve seat dismounting device and method |
| CN111360749A (en) * | 2020-02-27 | 2020-07-03 | 中船澄西船舶修造有限公司 | Fan blade dismounting tool |
| CN112025614A (en) * | 2020-07-30 | 2020-12-04 | 江苏永昊高强度螺栓有限公司 | Bolt suitable for capital construction engineering and disassembling method of bolt |
| CN113653875A (en) * | 2021-09-14 | 2021-11-16 | 中车大同电力机车有限公司 | Oil separator and mining dump truck |
| CN113977253A (en) * | 2021-11-29 | 2022-01-28 | 广东华电韶关热电有限公司 | Rapid turbine coupling bolt disassembling tool and using method |
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