CN108406687A - Horizontal hydrogenerator main shaft method for dismounting and provision for disengagement - Google Patents
Horizontal hydrogenerator main shaft method for dismounting and provision for disengagement Download PDFInfo
- Publication number
- CN108406687A CN108406687A CN201810458276.2A CN201810458276A CN108406687A CN 108406687 A CN108406687 A CN 108406687A CN 201810458276 A CN201810458276 A CN 201810458276A CN 108406687 A CN108406687 A CN 108406687A
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- China
- Prior art keywords
- main shaft
- provision
- disengagement
- support plate
- dismounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Present invention is disclosed a kind of horizontal hydrogenerator main shaft method for dismounting and provision for disengagement, provision for disengagement includes main support base, adjusting nut, adjusting bolt, supporting block and support plate, and method for dismounting includes：1) prepare above-mentioned provision for disengagement；2) above-mentioned provision for disengagement is completed in assembly；3) lower section of desired position, the height of support plate is adjusted by adjusting bolt when the provision for disengagement assembled being placed on main shaft lifting, so that the concave side of support plate is in close contact with main shaft, is ensured that main shaft is maintained at a horizontal state；4) when needing support again after main shaft lifting, provision for disengagement is moved to required position, main shaft is placed after adjusting height, until main shaft dismounting finishes.This provision for disengagement is simple in structure, and materials facility can meet strength and stiffness requirement required when lifting main shaft.This method for dismounting is easy to operate, the stability and reliability of main shaft in main shaft hoisting process is effectively ensured, and horizontal, effectively improves safety and the feasibility of main shaft dismounting.
Description
Technical field
The embodiment of the present invention is related to the dismounting of horizontal hydrogenerator main shaft, in particular to a kind of horizontal hydraulic
Generator shaft method for dismounting and provision for disengagement.
Background technology
In the main service work of scaled bulb tubular hydraulic generator, set main shaft dismounting is the epochmaking journey of one of which
The design feature of sequence, the type unit makes it be limited by factors in disassembly process, for example set generator is led
The limitation in gap between bearing, combination bearing, turbine guide bearing, it is desirable that axial gradient is not in disassembly process for the big axis of unit
Energy deviation is excessive, ensures that each portion's bearing of unit is injury-free；It for another example needs repeatedly to replace suspender position in main shaft disassembly process
It sets, needs a variety of dedicated lifting auxiliary tools.
Invention content
It is an object of the invention in view of the above-mentioned drawbacks in the prior art, provide a kind of horizontal hydrogenerator main shaft to tear open
Discharging method, this method can carry out main shaft height adjustment, keep main shaft holding in hoisting process horizontal, improve the peace of main shaft dismounting
Full property and feasibility.
For achieving the above object, present invention employs following technical solutions：A kind of horizontal hydrogenerator main shaft is torn open
Discharging method comprising following steps：1) prepare following provision for disengagement, provision for disengagement includes main support base, adjusting nut, adjusts spiral shell
Bolt, supporting block and support plate, support plate is arc-shaped, and radian is consistent with the outer circle radian of main shaft to be removed；2) in main support
A through-hole is arranged at the center of the top in seat, and adjusting nut is fixedly installed on main support base, and is matched with the through-hole；3) supporting block
It is fixedly installed on the centre position of support plate convex surface side；4) adjusting bolt is threadedly coupled with adjusting nut and passes through main branch
The through-hole on seat is supportted, adjusting bolt is also mutually detachably connected with supporting block；5) provision for disengagement assembled is placed on main shaft
The lower section of desired position when lifting is adjusted the height of support plate by adjusting bolt, makes the concave side and main shaft of support plate
It is in close contact, ensures that main shaft is maintained at a horizontal state；6) when needing support again after main shaft lifting, provision for disengagement is moved to
Main shaft is placed in required position after adjusting height, until main shaft dismounting finishes.
Compared with the prior art, advantage of the invention is that：It is easy to operate, it is contacted with main shaft using curved support plate tighter
It is close, it more effectively ensure that the stability and reliability of main shaft in main shaft hoisting process, and main shaft height is carried out using adjusting bolt
Degree adjustment keeps main shaft holding in hoisting process horizontal, has fully demonstrated the safety and feasibility that main shaft dismounting can be improved
Advantage.
The present invention also provides a kind of provision for disengagement, which includes main support base, adjusting nut, adjusting bolt, branch
Bracer and support plate, wherein a through-hole is set at the center of main support base the top；Adjusting nut is fixedly installed to main support base
On, and matched with the through-hole；Adjusting bolt is threadedly coupled with adjusting nut and passes through the through-hole on main support base, adjusting bolt
Also mutually it is detachably connected with supporting block；Supporting block is fixedly installed on the centre position of support plate convex surface side；Support plate is in
Arc, radian are consistent with the outer circle radian of main shaft to be removed.
Preferably, adjusting bolt has interconnecting piece, threaded portion and square head portion, interconnecting piece non-threaded, mutual with supporting block
It is detachably connected, there is external screw thread in threaded portion, is threadedly coupled with adjusting nut, and square spigot is used to be coupled with external tool.
Preferably, supporting block upper surface is arcwall face, which connect with support plate, and lower face setting is fluted, should
Groove is inserted into for adjusting bolt.
Compared with the prior art, provision for disengagement advantage of the invention is：The device include main support base, adjusting nut,
Adjusting bolt, supporting block and support plate embody simple in structure, materials facility, the advantages such as cost of manufacture is cheap, but also meet
Required strength and stiffness requirement when lifting main shaft.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of Related Art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description merely relates to some of the present invention
Embodiment, not limitation of the present invention.
Fig. 1 is the exploded view of the provision for disengagement of present pre-ferred embodiments.
Fig. 2 is the assembling sectional view of the provision for disengagement of present pre-ferred embodiments.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
It applies mode and further unrestricted detailed description is made to technical solution of the present invention.
See that Fig. 1 and Fig. 2, the horizontal hydrogenerator disassembling device for main shaft of the present embodiment include：Main support base 1 adjusts spiral shell
Mother 2, adjusting bolt 3, supporting block 4 and support plate 5.
Main support base 1 is welded by angle steel, channel steel, round steel, steel plate, mainly plays load-bearing effect, the top steel plate center
Place's setting one Ф, 104 through-holes, the screw hole sizableness with adjusting nut 2, and passing through for adjusting bolt 3.
Adjusting nut 2 is welded at 1 center of main support base, and the screw hole of adjusting nut 2 is aligned with the through-hole of main support base 1.
Adjusting bolt 3 uses M100*4*175 bolts, with interconnecting piece, threaded portion and square head portion.Interconnecting piece length
30mm, non-threaded can be mutually detachably connected with supporting block.There is external screw thread in threaded portion, can be threadedly coupled with adjusting nut.It is rectangular
Head specification is 46*46, for being coupled with external tool.
The upper surface of supporting block 4 is arcwall face, and radian is consistent with curved support plate, which connect with support plate,
The present embodiment uses welding manner.The lower face of supporting block 4 is provided with circular groove, and groove size is Ф 101*30, the groove
It is inserted into for adjusting bolt 3, it is detachable between each other.
Support plate 5 contacts with each other with main shaft, for lifting main shaft.Support plate 5 is arc-shaped, radian and set main shaft outer circle
Radian is consistent.
The horizontal hydrogenerator main shaft method for dismounting of the present embodiment is as follows：
1) prepare above-mentioned provision for disengagement；
2) above-mentioned provision for disengagement is assembled and is completed；
3) lower section of desired position, is adjusted by adjusting bolt when the provision for disengagement assembled being placed on main shaft lifting
The height of support plate makes the concave side of support plate be in close contact with main shaft, ensures that main shaft is maintained at a horizontal state；
4) when needing support again after main shaft lifting, provision for disengagement is moved to required position, adjusts height
After place main shaft, until main shaft dismounting finish.
According to above-mentioned introduction, same reason, the horizontal hydrogenerator main shaft method for dismounting of the present embodiment introduction are utilized
The installment work of horizontal hydrogenerator main shaft is equally applicable to provision for disengagement.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Those skilled in the art can understand the contents of the present invention and implements according to this, and the protection of the present invention can not be limited with this
Range.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of horizontal hydrogenerator main shaft method for dismounting, it is characterised in that it includes the following steps：
1) preparing following provision for disengagement, provision for disengagement includes main support base, adjusting nut, adjusting bolt, supporting block and support plate,
Support plate is arc-shaped, and radian is consistent with the outer circle radian of main shaft to be removed；
2) through-hole is set at the center of main support base the top, and adjusting nut is fixedly installed on main support base, and logical with this
It matches in hole；
3) supporting block is fixedly installed on the centre position of support plate convex surface side；
4) adjusting bolt is threadedly coupled with adjusting nut and passes through the through-hole on main support base, adjusting bolt also with supporting block phase
Mutually it is detachably connected；
5) lower section of desired position, is adjusted by adjusting bolt and is supported when the provision for disengagement assembled being placed on main shaft lifting
The height of plate makes the concave side of support plate be in close contact with main shaft, ensures that main shaft is maintained at a horizontal state；
6) when needing support again after main shaft lifting, provision for disengagement is moved to required position, is put after adjusting height
Main shaft is set, until main shaft dismounting finishes.
2. a kind of provision for disengagement dismantled using horizontal hydrogenerator main shaft method for dismounting as described in claim 1,
It is characterized in that：The provision for disengagement includes main support base, adjusting nut, adjusting bolt, supporting block and support plate, wherein
One through-hole is set at the center of main support base the top；
Adjusting nut is fixedly installed on main support base, and is matched with the through-hole；
Adjusting bolt is threadedly coupled with adjusting nut and passes through the through-hole on main support base, adjusting bolt also mutual with supporting block
It is detachably connected；
Supporting block is fixedly installed on the centre position of support plate convex surface side；
Support plate is arc-shaped, and radian is consistent with the outer circle radian of main shaft to be removed.
3. provision for disengagement according to claim 2, it is characterised in that：The adjusting bolt has interconnecting piece, threaded portion and side
Forming head portion, interconnecting piece non-threaded are mutually detachably connected with supporting block, and there is external screw thread in threaded portion, is threadedly coupled with adjusting nut,
Square spigot is used to be coupled with external tool.
4. provision for disengagement according to claim 2, it is characterised in that：The supporting block upper surface is arcwall face, the upper surface
It is connect with support plate, lower face setting is fluted, which is inserted into for adjusting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810458276.2A CN108406687A (en) | 2018-05-14 | 2018-05-14 | Horizontal hydrogenerator main shaft method for dismounting and provision for disengagement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810458276.2A CN108406687A (en) | 2018-05-14 | 2018-05-14 | Horizontal hydrogenerator main shaft method for dismounting and provision for disengagement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108406687A true CN108406687A (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810458276.2A Pending CN108406687A (en) | 2018-05-14 | 2018-05-14 | Horizontal hydrogenerator main shaft method for dismounting and provision for disengagement |
Country Status (1)
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|---|---|
| CN (1) | CN108406687A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200167524Y1 (en) * | 1999-08-26 | 2000-02-15 | 포항종합제철주식회사 | An apparatus for disassembling a wheel mounted to a shaft |
| KR20020055613A (en) * | 2000-12-29 | 2002-07-10 | 김형국 | Shaft centering device arrangement for condensate pump |
| KR20090046451A (en) * | 2007-11-06 | 2009-05-11 | 현대제철 주식회사 | Disjoint jig for shaft adapter |
| CN203738702U (en) * | 2014-02-25 | 2014-07-30 | 宣化钢铁集团有限责任公司 | Internal-combustion locomotive cardan shaft installation adjustment device |
| CN105710819A (en) * | 2016-03-30 | 2016-06-29 | 天津工程机械研究院 | Multifunctional oil cylinder disassembly table |
| CN107378860A (en) * | 2017-09-14 | 2017-11-24 | 海门市绣羽工业设计有限公司 | Disk-braking press mounting frock during car is used |
| CN208132861U (en) * | 2018-05-14 | 2018-11-23 | 广西桂冠电力股份有限公司大化水力发电总厂 | Horizontal hydrogenerator disassembling device for main shaft |
-
2018
- 2018-05-14 CN CN201810458276.2A patent/CN108406687A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200167524Y1 (en) * | 1999-08-26 | 2000-02-15 | 포항종합제철주식회사 | An apparatus for disassembling a wheel mounted to a shaft |
| KR20020055613A (en) * | 2000-12-29 | 2002-07-10 | 김형국 | Shaft centering device arrangement for condensate pump |
| KR20090046451A (en) * | 2007-11-06 | 2009-05-11 | 현대제철 주식회사 | Disjoint jig for shaft adapter |
| CN203738702U (en) * | 2014-02-25 | 2014-07-30 | 宣化钢铁集团有限责任公司 | Internal-combustion locomotive cardan shaft installation adjustment device |
| CN105710819A (en) * | 2016-03-30 | 2016-06-29 | 天津工程机械研究院 | Multifunctional oil cylinder disassembly table |
| CN107378860A (en) * | 2017-09-14 | 2017-11-24 | 海门市绣羽工业设计有限公司 | Disk-braking press mounting frock during car is used |
| CN208132861U (en) * | 2018-05-14 | 2018-11-23 | 广西桂冠电力股份有限公司大化水力发电总厂 | Horizontal hydrogenerator disassembling device for main shaft |
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