CN108726457A - A kind of pump shaft overturning auxiliary tool and its operating method - Google Patents
A kind of pump shaft overturning auxiliary tool and its operating method Download PDFInfo
- Publication number
- CN108726457A CN108726457A CN201711159395.XA CN201711159395A CN108726457A CN 108726457 A CN108726457 A CN 108726457A CN 201711159395 A CN201711159395 A CN 201711159395A CN 108726457 A CN108726457 A CN 108726457A
- Authority
- CN
- China
- Prior art keywords
- pump shaft
- auxiliary tool
- overturning
- shaft
- pump
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to nuclear power station rotating machinery maintenance engineering technical fields, and in particular to a kind of pump shaft overturning auxiliary tool and its operating method.The present invention includes floor, bearing block, connecting shaft, sliding bearing and turnover disc：It is respectively equipped with bearing block and sliding bearing above two floors, connecting shaft is installed between two sliding bearings, and connecting shaft being capable of autorotation adjusting；The turnover disc of flange arrangement is sleeved in connecting shaft, can be surrounded connecting shaft and be overturn.The present invention efficiently solves the problems, such as that the overturning of sea water circulating pump pump shaft is difficult, improves the security reliability of pump shaft overturning, ensure that and follows the safe and efficient of pump maintenance process.
Description
Technical field
The invention belongs to nuclear power station rotating machinery maintenance engineering technical fields, and in particular to a kind of pump shaft overturning auxiliary tool
And its operating method.
Background technology
Nuclear power station first stage of the project 2 units in field gulf are configured with 8 by the manufacture of Russian Ural hydraulic factory altogether
OB2-185 Е type circulating seawers pump.The pump-type formula is vertical-type axial-flow pump, and what axle envelope was taken is packing seal, packing seal meeting pair
Pump shaft causes to wear.When pump shaft is worn to a certain extent, needs to hang out pump shaft and overhaul.
The pump long 7.38m of pump shaft, the long 1.20m of connecting short section are followed, weighs about 8 tons, the overturning of the pump shaft is always a problem.It is turning over
When turning pump shaft, the prior art withstands pump shaft flange in the bottom using special stand one end, and the other end withstands on corner, then slow with crane
Slowly pump shaft was fallen, if during which hoisting commanding is not fixed with driver's mismate or pump shaft bottom, pump shaft will appear sideslip.
In addition, limited field operation space also further increases the difficulty of pump shaft overturning.
Invention content
The technical problem to be solved in the invention is：A kind of pump shaft overturning auxiliary tool is provided, to solve sea water circulating pump
The difficult technical problem of pump shaft overturning.
It is described that technical scheme is as follows：
A kind of pump shaft overturning auxiliary tool, including floor, bearing block, connecting shaft, sliding bearing and turnover disc：Two floors
Top is respectively equipped with bearing block and sliding bearing, and connecting shaft is installed between two sliding bearings, and connecting shaft being capable of autorotation
It adjusts；The turnover disc of flange arrangement is sleeved in connecting shaft, can be surrounded connecting shaft and be overturn.
Preferably：The flange arrangement of the turnover disc matches with pump shaft flange in the bottom structure to be flipped, i.e.,
The bolt hole of the two can realize all or part of correspondence.
Preferably：Pump shaft overturning auxiliary tool further includes bottom plate, and two floors are fixed on above floor.
Preferably：It is bolted between connecting shaft and bearing block.
Preferably：It is fixed by baffle ring and nut check between turnover disc and connecting shaft.
The operating method of above-mentioned pump shaft overturning auxiliary tool, includes the following steps：
Step S1, pump shaft overturning auxiliary tool is fixed on overturning place；
Step S2, pump shaft is moved to overturning scene, turnover disc is made to be in corresponding with the bolt hole of pump shaft flange in the bottom
Position；
Step S3, the fixation between turnover disc and pump shaft flange in the bottom is realized with several bolts；
Step S4, pump shaft was fallen, turnover disc follows pump shaft to overturn；
Step S5, setting leveling components make pump shaft fall on a horizontal plane.
Preferably：In step S3, bolt is diagonally to be distributed or be uniformly distributed.
Preferably：In step S5, by placing leveling components at the top of pump shaft and connecting short section lower position,
Pump shaft is set to fall on a horizontal plane.
Beneficial effects of the present invention are：
(1) a kind of pump shaft of the invention overturns auxiliary tool, efficiently solves the problems, such as that the overturning of sea water circulating pump pump shaft is difficult,
The security reliability for improving pump shaft overturning ensure that and follow the safe and efficient of pump maintenance process；
(2) a kind of pump shaft of the invention overturns auxiliary tool, and simple in structure, simple operation has stronger compatibility, energy
Enough expanded applications are in the overturning operation of similar large scale equipment.
Description of the drawings
Fig. 1 is that a kind of pump shaft of the present invention overturns auxiliary tool front view；
Fig. 2 is that a kind of pump shaft of the present invention overturns auxiliary tool vertical view；
Fig. 3 is that a kind of pump shaft of the present invention overturns auxiliary tool left view；
Fig. 4 is that a kind of pump shaft of the present invention overturns auxiliary tool schematic three dimensional views.
1- bottom plates in figure, 2- floors, 3- bearing blocks, 4- sliding bearings, 5- turnover discs, 6- connecting shafts, 7- nuts, 8- gears
Ring, 9- bolts.
Specific implementation mode
A kind of pump shaft overturning auxiliary tool and its operating method of the present invention are carried out with reference to the accompanying drawings and examples detailed
It describes in detail bright.
Embodiment 1
As shown in Figures 1 to 4, a kind of pump shaft of the present embodiment overturns auxiliary tool, including floor 2, bearing block 3, connection
Axis 6, sliding bearing 4 and turnover disc 5：Two 2 tops of floor are respectively equipped with bearing block 3 and sliding bearing 4, and connecting shaft 6 is installed on
Between two sliding bearings 4, connecting shaft 6 being capable of autorotation adjusting；The turnover disc 5 of flange arrangement is sleeved in connecting shaft 6, can
It is overturn around connecting shaft 6.
In the present embodiment, the flange arrangement of the turnover disc 5 matches with pump shaft flange in the bottom structure to be flipped, i.e., and two
9 hole of bolt of person can realize all or part of correspondence.
In the present embodiment, it can be fixed by bolt 9 between connecting shaft 6 and bearing block 3, between turnover disc 5 and connecting shaft 6
It can be locked by baffle ring 8 and nut 7.
Embodiment 2
A kind of pump shaft overturning auxiliary tool and embodiment 1 of the present embodiment difference lies in：A kind of pump shaft of the present embodiment
Overturning auxiliary tool further includes bottom plate 1, and two floors 2 are fixed on above floor, is realized by the way that floor is fixed on overturning place
The equipment of entire pump shaft overturning auxiliary tool is fixed.
The pump shaft overturning auxiliary tool operating method of the present embodiment is as described below：
Step S1, pump shaft overturning auxiliary tool is fixed on overturning place, which can be by using dismountable swollen
Swollen bolt is fixed bottom plate 1 and is realized.
Step S2, turnover disc 5 is gone into direction upward, pump shaft is hung into 5 top of turnover disc with crane；Pass through crane
All around adjustment and turnover disc 5 rotation adjustment, by turnover disc 5 it is corresponding with the bolt hole of pump shaft flange in the bottom on.
Step S3, the fixation between turnover disc 5 and pump shaft flange in the bottom is realized with several bolts, wherein bolt is preferred
Diagonally it is distributed or is uniformly distributed.
Step S4, pump shaft was slowly fallen by crane, turnover disc 5 is supported by two sliding bearings 4, follows pump shaft slow
Overturning.
Step S5, the leveling components such as a flitch are respectively put at the top of pump shaft and connecting short section lower position, pump shaft is made to fall
Substantially on a horizontal plane.
Claims (8)
1. a kind of pump shaft overturns auxiliary tool, including floor (2), bearing block (3), connecting shaft (6), sliding bearing (4) and overturning
Disk (5), it is characterised in that：Bearing block (3) and sliding bearing (4), connecting shaft (6) installation are respectively equipped with above two floors (2)
Between two sliding bearings (4), connecting shaft (6) being capable of autorotation adjusting；The turnover disc (5) of flange arrangement is sleeved on connecting shaft
(6) on, connecting shaft (6) can be surrounded and overturn.
2. a kind of pump shaft according to claim 1 overturns auxiliary tool, it is characterised in that：The flange of the turnover disc (5)
Both structure matches with pump shaft flange in the bottom structure to be flipped, i.e., it is all or part of right that bolt (9) hole can be realized
It answers.
3. a kind of pump shaft according to claim 1 overturns auxiliary tool, it is characterised in that：Pump shaft overturning auxiliary tool also wraps
Bottom plate (1) is included, two floors (2) are fixed on above floor.
4. a kind of pump shaft according to claim 1 overturns auxiliary tool, it is characterised in that：Connecting shaft (6) and bearing block (3)
Between to pass through bolt (9) fixed.
5. a kind of pump shaft according to claim 1 overturns auxiliary tool, it is characterised in that：Turnover disc (5) and connecting shaft (6)
Between be locked by baffle ring (8) and nut (7).
6. the operating method of any one pump shaft overturning auxiliary tool according to claim 1 to claim 5, feature
It is：Include the following steps：
Step S1, pump shaft overturning auxiliary tool is fixed on overturning place；
Step S2, pump shaft is moved to overturning scene, turnover disc (5) is made to be in corresponding with the bolt hole of pump shaft flange in the bottom
Position；
Step S3, the fixation between turnover disc (5) and pump shaft flange in the bottom is realized with several bolts；
Step S4, pump shaft was fallen, turnover disc (5) follows pump shaft to overturn；
Step S5, setting leveling components make pump shaft fall on a horizontal plane.
7. the operating method of any one pump shaft overturning auxiliary tool according to claim 6, it is characterised in that：Step S3
In, bolt is diagonally to be distributed or be uniformly distributed.
8. the operating method of any one pump shaft overturning auxiliary tool according to claim 6, it is characterised in that：Step S5
In, by placing leveling components at the top of pump shaft and connecting short section lower position, pump shaft is made to fall on a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711159395.XA CN108726457A (en) | 2017-11-20 | 2017-11-20 | A kind of pump shaft overturning auxiliary tool and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711159395.XA CN108726457A (en) | 2017-11-20 | 2017-11-20 | A kind of pump shaft overturning auxiliary tool and its operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108726457A true CN108726457A (en) | 2018-11-02 |
Family
ID=63940306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711159395.XA Pending CN108726457A (en) | 2017-11-20 | 2017-11-20 | A kind of pump shaft overturning auxiliary tool and its operating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108726457A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295921Y (en) * | 2008-10-17 | 2009-08-26 | 中国广东核电集团有限公司 | Overhaul turn-over device for high and low pressure valve servo-motor |
| CN102081977A (en) * | 2009-11-27 | 2011-06-01 | 上海核工程研究设计院 | Turning repair frame for plug-in part of primary coolant pump in reactor |
| CN102423839A (en) * | 2011-09-30 | 2012-04-25 | 东方电气集团东方汽轮机有限公司 | Assistant tool for turning over steam turbine welding rotor |
| CN205527287U (en) * | 2016-04-07 | 2016-08-31 | 中广核核电运营有限公司 | Nuclear power station water -feeding pump steam turbine upper cylinder half turning device |
| CN206169570U (en) * | 2016-08-19 | 2017-05-17 | 龙工（上海）精工液压有限公司 | Plunger pump assembly roll -over stand |
| CN207524928U (en) * | 2017-11-20 | 2018-06-22 | 江苏核电有限公司 | A kind of pump shaft overturns auxiliary tool |
-
2017
- 2017-11-20 CN CN201711159395.XA patent/CN108726457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295921Y (en) * | 2008-10-17 | 2009-08-26 | 中国广东核电集团有限公司 | Overhaul turn-over device for high and low pressure valve servo-motor |
| CN102081977A (en) * | 2009-11-27 | 2011-06-01 | 上海核工程研究设计院 | Turning repair frame for plug-in part of primary coolant pump in reactor |
| CN102423839A (en) * | 2011-09-30 | 2012-04-25 | 东方电气集团东方汽轮机有限公司 | Assistant tool for turning over steam turbine welding rotor |
| CN205527287U (en) * | 2016-04-07 | 2016-08-31 | 中广核核电运营有限公司 | Nuclear power station water -feeding pump steam turbine upper cylinder half turning device |
| CN206169570U (en) * | 2016-08-19 | 2017-05-17 | 龙工（上海）精工液压有限公司 | Plunger pump assembly roll -over stand |
| CN207524928U (en) * | 2017-11-20 | 2018-06-22 | 江苏核电有限公司 | A kind of pump shaft overturns auxiliary tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104373288B (en) | Wind turbine with yaw bearing lifting device | |
| CN206461247U (en) | A kind of electric power distributing cabinet with elevating function | |
| CN207524928U (en) | A kind of pump shaft overturns auxiliary tool | |
| CN208762059U (en) | A kind of hydraulic up-down platform rail adjusting wheel construction | |
| CN108726457A (en) | A kind of pump shaft overturning auxiliary tool and its operating method | |
| CN206838764U (en) | A kind of short stress rolling mill turning device | |
| CN202010962U (en) | Gearbox overturn rack for forklift truck | |
| CN206940322U (en) | Hydraulic jack | |
| CN205603030U (en) | Fastening type slewing bearing anchor clamps | |
| CN206588174U (en) | Container bottom shaping device | |
| CN207451514U (en) | A kind of building machinery lifting gear | |
| CN106629518A (en) | Large component unit plate installation overturning platform | |
| CN205629915U (en) | Portable hydraulic pressure dolly of tensile bolt dismouting lift of bottom ring | |
| CN206692273U (en) | A kind of large-scale component formula unit plate installation upset platform | |
| CN210335739U (en) | A stand up frock for aerogenerator | |
| CN211895774U (en) | Beam lifting machine convenient for lifting weight | |
| CN107498016A (en) | The rotating disk of multistation centrifugal casting machine | |
| CN209554705U (en) | A kind of guide rail structure of building hoist | |
| CN203648631U (en) | Eccentric type main structure for roller mill | |
| CN209113000U (en) | A kind of AGV trolley anti-tipping apparatus | |
| CN208039351U (en) | The driving preceding bridge of compound motion can be achieved | |
| CN107116390A (en) | It is a kind of can automatic turning frock | |
| CN205687368U (en) | A kind of traction system of screw type elevator | |
| CN108002267A (en) | It is a kind of to be twisted machine with safety caging device | |
| CN105776022A (en) | Disassembling method of mill housing during relocation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |