CN110451404A - The simple turnover mechanism and method for turning of Large Rotor - Google Patents
The simple turnover mechanism and method for turning of Large Rotor Download PDFInfo
- Publication number
- CN110451404A CN110451404A CN201910786460.4A CN201910786460A CN110451404A CN 110451404 A CN110451404 A CN 110451404A CN 201910786460 A CN201910786460 A CN 201910786460A CN 110451404 A CN110451404 A CN 110451404A
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- China
- Prior art keywords
- rotary shaft
- large rotor
- turnover disc
- overturning
- rotor
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- 230000007306 turnover Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000013011 mating Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses the simple turnover mechanism and method for turning of a kind of Large Rotor, how reliable steady safely vertical by horizontality overturning by the shaft of heavy motor solve the problems, such as.Overturning pull-up suspender (5) is connected on the right axle end (4) of Large Rotor (3), hinged rollover stand is provided on the operating platform (1) on the left of the left axle end (6) of Large Rotor (3), Large Rotor rotation supporting point is constructed on the side ground of the Large Rotor of prostrate constructs frame, one end of Large Rotor is fixed on rotation supporting point to construct in the rotating disk on frame, pass through mortise and tenon and welded connecting rotating support shaft on the rotating pan, one end of rotor is lifted by crane by overhead traveling crane, make rotor construct frame around rotation supporting point to be rotated by 90 °, to complete the conversion of prostrate state to upright state.It is upright to realize rotating smoothly for big weight shaft.
Description
Technical field
The present invention relates to a kind of turnover mechanism of Large Rotor, in particular to a kind of Large Rotor is simply turned over
Rotation mechanism and method for turning.
Background technique
The shaft of some large-size machines weighs about 10 tons or so, and hot jacket single armature in pairs, each list armature are needed in shaft
Weigh about 10 tons, when hot jacket needs shaft being turned into vertical state by horizontal prostrate state, in order to the single armature that will be heated
Central alignment setting is put into each gear of shaft；In motor assembly, traditional way is by rotor twin hood crane in sky
The middle mode for carrying out a hook and rising hook decline, carries out the transformation posture of rotor, rotor is placed in the branch of setting
In support set or melt pit, then carry out hot jacket work；But since rotor weight is big, there are suspension hook wirerope from guide groove takes off for inclination lifting
Risk out is easy to happen safety accident, how reliably steadily safely to overturn the shaft of heavy motor by horizontality
Get up vertically, becomes live problem in urgent need to solve.
Summary of the invention
The present invention provides the simple turnover mechanism and method for turning of a kind of Large Rotor, solves and how reliably to put down
The technical issues of surely safely shaft of heavy motor is got up vertically by horizontality overturning.
The present invention is to solve the above technical problem by the following technical programs:
The present general inventive concept is: Large Rotor rotation branch is constructed on the side ground of the Large Rotor of prostrate
Support point constructs frame, and one end of Large Rotor is fixed on rotation supporting point and is constructed in the rotating disk on frame, on the rotating pan
By mortise and tenon and it is welded to connect rotating support shaft, one end of rotor is lifted by crane by overhead traveling crane, makes rotor around rotation branch
Support point is constructed frame and is rotated by 90 °, to complete the conversion of prostrate state to upright state.
A kind of simple turnover mechanism of Large Rotor, including operating platform are provided with large-scale electricity on the operational platform
Machine rotor lies down support frame, and lying down to lie down on support frame in Large Rotor has Large Rotor, in Large Rotor
Right axle end on be connected with overturning pull-up suspender, on the operating platform on the left of the left axle end of Large Rotor respectively fixation set
It is equipped with overturning front support frame and overturning rear support frame, V-arrangement supporting surface before being provided on the top end face of overturning front support frame, preceding
It is provided with front limit portal frame on the top end face of overturning front support frame above V-arrangement supporting surface, in preceding V-arrangement supporting surface and front limit
Preceding rotary shaft is movably set between portal frame, V-arrangement supporting surface after being provided on the top end face of overturning rear support frame, in rear V
Portal frame is limited after being provided on the top end face of rear overturning support above shape supporting surface, in rear V-arrangement supporting surface and rear limit
Be movably set with rear rotary shaft between portal frame, the structure of the structure of preceding rotary shaft and rear rotary shaft be it is identical, preceding
It is connected with turnover disc between rotary shaft and rear rotary shaft, round positioning step is provided in the disk of turnover disc, in turnover disc
Disk center at be provided with connection bolt pass through through-hole, before being symmetrically provided in the disk outer circle of turnover disc rotary shaft hold in the mouth
Lug and rear rotary shaft are connected ear, and turnover disc is connected ear by preceding rotary shaft and links together with preceding rotary shaft, and turnover disc passes through
Rotary shaft linking ear links together with rear rotary shaft afterwards, is arranged on the left axle end of Large Rotor and the disk of turnover disc
Round positioning step connects together, and connection bolt, which passes through bolt and fixes after through-hole with the left axle end of Large Rotor, to be connected
It is connected together, is connected with overhead traveling crane hook on overturning pull-up suspender.
It is provided with mortise and tenon groove on the medial surface of preceding rotary shaft, boss in slot is provided in mortise and tenon groove, in preceding rotation
Boss mating groove in slot is provided on shaft linking ear, preceding rotary shaft linking ear is the mortise and tenon groove before being plugged in rotary shaft
In, boss mating groove links together with boss socket in slot in slot.
A kind of simple method for turning of Large Rotor, comprising the following steps:
The first step, production turnover disc, are arranged round positioning step in the disk of turnover disc, at the disk center of turnover disc,
Setting connection bolt passes through through-hole, in the disk outer circle of turnover disc, is symmetrically arranged preceding rotary shaft linking ear and rear rotary shaft
It is connected ear, on preceding rotary shaft linking ear, boss mating groove in slot is set, on rear rotary shaft linking ear, slot convexity is set
Platform mating groove；Preceding rotary shaft and rear rotary shaft are made, mortise and tenon groove is set on the medial surface of preceding rotary shaft, in mortise and tenon groove
Mortise and tenon groove is arranged in boss in middle setting slot on the medial surface of rear rotary shaft, and boss in slot is arranged in mortise and tenon groove；Will before
Tenon connection seam weld and is connected together by rotary shaft together with the preceding rotary shaft linking ear tenon connection on turnover disc, will after
Tenon connection seam weld is connected together by rotary shaft together with the rear rotary shaft linking ear tenon connection on turnover disc；
Turnover disc with two rotary shafts is placed between preceding overturning support and rear overturning support by second step, makes preceding rotation
Shaft is arranged on preceding V-arrangement supporting surface, is placed on rear rotary shaft on rear V-arrangement supporting surface, limit before installing above preceding rotary shaft
Position portal frame, limits portal frame after installing in rear rotary shaft；
Third step, on the right axle end of Large Rotor, connection overturning pull-up suspender, by the left axle end pair of Large Rotor
It connects on the round positioning step being arranged in the disk of turnover disc, passes through through-hole with connection screw bolt passes gasket and bolt
Afterwards, it is fixed together with the left axle end of Large Rotor；
4th step connects overhead traveling crane hook on overturning pull-up suspender, is sling the right axle end of Large Rotor by overhead traveling crane,
With the lifting of overhead traveling crane, Large Rotor is turned into vertical from prostrate shape.
Turnover mechanism of the invention uses hinge arrangement, and one end of rotor is fixed on the rotating pan, rotating disk
For hinge, the other end of rotor is lifting point, and structure design is simple and reliable, low in cost, especially rotating disk and shaft
Mortise and tenon combine plus the welding of bonding crack, expand rotation power transmission face, it is upright to realize rotating smoothly for big weight shaft.
Detailed description of the invention
Fig. 1 is machine shaft of the invention structural schematic diagram upright from lying down to rotating；
Fig. 2 is the structural schematic diagram of machine shaft of the invention in an erect condition；
Fig. 3 is the structural schematic diagram of the overturning support of turnover disc of the invention in an erect condition；
Fig. 4 is the structural schematic diagram of the overturning support of turnover disc of the invention under prostrate state；
Fig. 5 is the structural schematic diagram of turnover disc 14 of the invention；
Fig. 6 is the structural schematic diagram of rotary shaft of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of simple turnover mechanism of Large Rotor, including operating platform 1, are provided with large-size machine on operating platform 1
Rotor lies down support frame 2, and lying down to lie down on support frame 2 in Large Rotor has Large Rotor 3, turns in large-size machine
Overturning pull-up suspender 5 is connected on the right axle end 4 of son 3, the aerial overhead traveling crane in 3 surface of Large Rotor passes through suspension hook and overturning
Pull-up suspender 5 links together, and is fixedly installed and turns over respectively on the operating platform 1 in 6 left side of the left axle end of Large Rotor 3
Turn front support frame 7 and overturning rear support frame 11, V-arrangement supporting surface 8 before being provided on the top end face of overturning front support frame 7, in preceding V
It is provided with front limit portal frame 10 on the top end face of the overturning front support frame 7 of 8 top of shape supporting surface, in preceding V-arrangement supporting surface 8 with before
Rotary shaft 9 before being movably set between limit portal frame 10, V-arrangement supports after being provided on the top end face of overturning rear support frame 11
Face 12 limits portal frame after being provided on the top end face of the rear overturning support 11 above rear V-arrangement supporting surface 12, in rear V-arrangement
Rear rotary shaft 13, the structure of preceding rotary shaft 9 and rear rotary shaft 13 are movably set between supporting surface 12 and rear limit portal frame
Structure be it is identical, turnover disc 14 is connected between preceding rotary shaft 9 and rear rotary shaft 13, in the disk of turnover disc 14
It is provided with round positioning step 15, connection bolt is provided at the disk center of turnover disc 14 and passes through through-hole 16, in turnover disc
Preceding rotary shaft linking ear 17 and rear rotary shaft linking ear 18 are symmetrically provided in 14 disk outer circle, turnover disc 14 passes through preceding rotation
Shaft linking ear 17 links together with preceding rotary shaft 9, and turnover disc 14 is connected ear 18 by rear rotary shaft and rear rotary shaft 13 connects
It is connected together, the round positioning step 15 being arranged on the left axle end 6 of Large Rotor 3 and the disk of turnover disc 14 is socketed in one
It rises, connection bolt 19 passes through bolt and is fixed together after through-hole 16 with the left axle end 6 of Large Rotor 3, is turning over
Turn to be connected with overhead traveling crane hook on pull-up suspender 5；The left axle end 6 of Large Rotor 3 and turnover disc 14 are connect fixedly
Together, the preceding rotary shaft 9 and rear rotary shaft 13 being fixedly connected on turnover disc 14 have played the part of the role at hinge axis, and are overturning
The preceding V-arrangement supporting surface 8 and front limit portal frame 10 being arranged on the top end face of front support frame 7, and in rear overturning support 11
The rear V-arrangement supporting surface 12 and rear limit portal frame being arranged on top end face, constitute the rotary gemel seat of rotor, overhead traveling crane passes through
The overturning pull-up suspender 5 of rotor right end is pulled up the right end of rotor, rotates rotor around the hinge seat
It erects.
It is provided with mortise and tenon groove 21 on the medial surface of preceding rotary shaft 9, boss 22 in slot are provided in mortise and tenon groove 21,
Boss mating groove 26 in slot is provided on preceding rotary shaft linking ear 17, preceding rotary shaft linking ear 17 is to be plugged on preceding rotary shaft
In mortise and tenon groove 21 on 9, boss mating groove 26 links together with the socket of boss 22 in slot in slot；This connection structure
Make the mortise and tenon anteromedial surface 23 in mortise and tenon groove 21, medial surface 25 and mortise and tenon convex surface 24 carry in motor rotation after mortise and tenon
Power keeps the combination of turnover disc 14 and rotary shaft relatively reliable, after the rotary shaft linking ear and rotary shaft mortise and tenon on turnover disc
It is welded to connect again on the bonding crack of outer surface, more substantially increases reliability of the rotary shaft in conjunction with turnover disc.
A kind of simple method for turning of Large Rotor, comprising the following steps:
The first step, production turnover disc 14, are arranged round positioning step 15, in the disk of turnover disc 14 in the disk of turnover disc 14
At center, setting connection bolt passes through through-hole 16, in the disk outer circle of turnover disc 14, rotary shaft linking ear before being symmetrically arranged
17 and rear rotary shaft be connected ear 18, preceding rotary shaft linking ear 17 on, be arranged slot in boss mating groove 26, rear rotary shaft hold in the mouth
On lug 18, boss mating groove in slot is set；Preceding rotary shaft 9 and rear rotary shaft 13 are made, on the medial surface of preceding rotary shaft 9
Mortise and tenon groove 21 is set, boss 22 in slot is set in mortise and tenon groove 21, it is recessed that mortise and tenon is set on the medial surface of rear rotary shaft 13
Boss in slot is arranged in slot in mortise and tenon groove；Preceding rotary shaft 9 is connected 17 tenon connection of ear with the preceding rotary shaft on turnover disc 14
Together, and by tenon connection seam weld it is connected together, rear rotary shaft 13 is connected 18 fourth of the twelve Earthly Branches of ear with the rear rotary shaft on turnover disc 14
Feather joint together, and tenon connection seam weld is connected together；
Turnover disc 14 with two rotary shafts is placed between preceding overturning support 7 and rear overturning support 11 by second step, is made
Preceding rotary shaft 9 is arranged on preceding V-arrangement supporting surface 8, is placed on rear rotary shaft 13 on rear V-arrangement supporting surface 12, in preceding rotary shaft 9
Side's installation front limit portal frame 10, limits portal frame after installing in rear rotary shaft 13；
Third step, on the right axle end 4 of Large Rotor 3, connection overturning pull-up suspender 5, by the left axle of Large Rotor 3
End 6 is docked on the round positioning step 15 being arranged in the disk of turnover disc 14, sequentially passes through 20 He of gasket with connection bolt 19
After bolt passes through through-hole 16, it is fixed together with the left axle end 6 of Large Rotor 3；
4th step connects overhead traveling crane hook on overturning pull-up suspender 5, is hung the right axle end 4 of Large Rotor 3 by overhead traveling crane
It rises, with the lifting of overhead traveling crane, Large Rotor 3 is turned into vertical from prostrate shape.
Claims (3)
1. a kind of simple turnover mechanism of Large Rotor, including operating platform (1) are provided with big on operating platform (1)
Type rotor lies down support frame (2), and lying down to lie down on support frame (2) in Large Rotor has Large Rotor (3),
It is characterized in that, overturning pull-up suspender (5) is connected on the right axle end (4) of Large Rotor (3), in Large Rotor
(3) overturning front support frame (7) and overturning rear support frame are fixedly installed on the operating platform (1) on the left of left axle end (6) respectively
(11), V-arrangement supporting surface (8) before being provided on the top end face of overturning front support frame (7), turning over above preceding V-arrangement supporting surface (8)
Turn to be provided with front limit portal frame (10) on the top end face of front support frame (7), in preceding V-arrangement supporting surface (8) and front limit portal frame
(10) it is movably set with preceding rotary shaft (9) between, is provided with rear V-arrangement supporting surface on the top end face of overturning rear support frame (11)
(12), portal frame is limited after being provided on the top end face of the rear overturning support (11) above rear V-arrangement supporting surface (12), rear
It is movably set with rear rotary shaft (13) between V-arrangement supporting surface (12) and rear limit portal frame, the structure and back spin of preceding rotary shaft (9)
The structure of shaft (13) be it is identical, turnover disc (14), In are connected between preceding rotary shaft (9) and rear rotary shaft (13)
It is provided with round positioning step (15) in the disk of turnover disc (14), is provided with connection spiral shell at the disk center of turnover disc (14)
Bolt passes through through-hole (16), rotary shaft linking ear (17) and rear rotation before being symmetrically provided in the disk outer circle of turnover disc (14)
Axis is connected ear (18), and turnover disc (14) is linked together by preceding rotary shaft linking ear (17) with preceding rotary shaft (9), turnover disc
(14) it is linked together by rear rotary shaft linking ear (18) with rear rotary shaft (13), the left axle end (6) of Large Rotor (3)
It connects together with the round positioning step (15) being arranged in the disk of turnover disc (14), connection bolt (19) is passed through across bolt
Through-hole (16) is fixed together with the left axle end (6) of Large Rotor (3) afterwards, is connected in overturning pull-up suspender (5)
There is overhead traveling crane hook.
2. a kind of simple turnover mechanism of Large Rotor according to claim 1, which is characterized in that in preceding rotary shaft
(9) it is provided with mortise and tenon groove (21) on medial surface, boss in slot (22) are provided in mortise and tenon groove (21), in preceding rotary shaft
Boss mating groove (26) in slot are provided in linking ear (17), preceding rotary shaft linking ear (17) is to be plugged on preceding rotary shaft (9)
On mortise and tenon groove (21) in, boss mating groove (26) and boss in slot (22) socket link together in slot.
3. a kind of simple method for turning of Large Rotor, comprising the following steps:
Round positioning step (15) is arranged, in turnover disc in the first step, production turnover disc (14) in the disk of turnover disc (14)
(14) at disk center, setting connection bolt passes through through-hole (16) and is symmetrically arranged in the disk outer circle of turnover disc (14)
Preceding rotary shaft linking ear (17) and rear rotary shaft linking ear (18) are arranged boss in slot and match in preceding rotary shaft linking ear (17)
It closes groove (26), in rear rotary shaft linking ear (18), boss mating groove in slot is set；Rotary shaft (9) and back spin before making
Mortise and tenon groove (21) are arranged on the medial surface of preceding rotary shaft (9) in shaft (13), the boss in setting slot in mortise and tenon groove (21)
(22), mortise and tenon groove is set on the medial surface of rear rotary shaft (13), boss in slot is set in mortise and tenon groove；By preceding rotary shaft
(9) together with preceding rotary shaft linking ear (17) tenon connection on turnover disc (14), and tenon connection seam weld is connected together,
By rear rotary shaft (13) together with rear rotary shaft linking ear (18) tenon connection on turnover disc (14), and tenon connection is stitched
Weld together；
Turnover disc (14) with two rotary shafts is placed on preceding overturning support (7) and rear overturning support (11) by second step
Between, preceding rotary shaft (9) are set on preceding V-arrangement supporting surface (8), rear rotary shaft (13) is made to be placed on rear V-arrangement supporting surface (12)
On, front limit portal frame (10) are installed above preceding rotary shaft (9), limit portal frame after installing on rear rotary shaft (13)；
Third step, on the right axle end (4) of Large Rotor (3), connection overturning pull-up suspender (5), by Large Rotor
(3) left axle end (6) is docked on the round positioning step (15) being arranged in the disk of turnover disc (14), with connection bolt (19)
Gasket (20) and bolt are sequentially passed through after through-hole (16), is fixedly connected on one with the left axle end (6) of Large Rotor (3)
It rises；
4th step connects overhead traveling crane hook in overturning pull-up suspender (5), by overhead traveling crane by the right axle of Large Rotor (3)
End (4) is sling, and with the lifting of overhead traveling crane, Large Rotor (3) is turned into vertical from prostrate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786460.4A CN110451404B (en) | 2019-08-24 | 2019-08-24 | Simple turnover mechanism and turnover method for large motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786460.4A CN110451404B (en) | 2019-08-24 | 2019-08-24 | Simple turnover mechanism and turnover method for large motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110451404A true CN110451404A (en) | 2019-11-15 |
| CN110451404B CN110451404B (en) | 2024-03-22 |
Family
ID=68488912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910786460.4A Active CN110451404B (en) | 2019-08-24 | 2019-08-24 | Simple turnover mechanism and turnover method for large motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110451404B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017698A (en) * | 2019-12-20 | 2020-04-17 | 中铁工程装备集团有限公司 | Hoisting and overturning method for rectangular pipe joint with super-large section and applicable device thereof |
| CN112152403A (en) * | 2020-09-29 | 2020-12-29 | 中广核核电运营有限公司 | Nuclear power station main pump motor rotor turning device |
| CN113972803A (en) * | 2021-10-20 | 2022-01-25 | 重庆迎洲压铸有限公司 | Wind power motor mounting system |
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| JP2000232756A (en) * | 1999-02-12 | 2000-08-22 | Toshiba Plant Kensetsu Co Ltd | Device and method for changing direction of traction force for inserting/extracting rotor of large-sized generator |
| 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 |
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| CN202558443U (en) * | 2012-03-31 | 2012-11-28 | 巨力索具股份有限公司 | C-shaped rotor clamping device |
| CN203339902U (en) * | 2013-07-08 | 2013-12-11 | 南车株洲电机有限公司 | Motor rotor roll-over stand |
| CN106736078A (en) * | 2016-12-28 | 2017-05-31 | 成都中车电机有限公司 | A kind of AC traction electric motor rotor turning device |
| CN210594950U (en) * | 2019-08-24 | 2020-05-22 | 中船重工电机科技股份有限公司 | Simple turnover mechanism for large motor rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000232756A (en) * | 1999-02-12 | 2000-08-22 | Toshiba Plant Kensetsu Co Ltd | Device and method for changing direction of traction force for inserting/extracting rotor of large-sized generator |
| 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 |
| CN202414991U (en) * | 2011-10-26 | 2012-09-05 | 巨力索具股份有限公司 | Novel lifting-overturning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017698A (en) * | 2019-12-20 | 2020-04-17 | 中铁工程装备集团有限公司 | Hoisting and overturning method for rectangular pipe joint with super-large section and applicable device thereof |
| CN111017698B (en) * | 2019-12-20 | 2021-03-12 | 中铁工程装备集团有限公司 | Hoisting and overturning method for rectangular pipe joint with super-large section and applicable device thereof |
| CN112152403A (en) * | 2020-09-29 | 2020-12-29 | 中广核核电运营有限公司 | Nuclear power station main pump motor rotor turning device |
| CN112152403B (en) * | 2020-09-29 | 2022-04-15 | 中广核核电运营有限公司 | Nuclear power station main pump motor rotor turning device |
| CN113972803A (en) * | 2021-10-20 | 2022-01-25 | 重庆迎洲压铸有限公司 | Wind power motor mounting system |
| CN113972803B (en) * | 2021-10-20 | 2023-12-05 | 重庆迎洲压铸有限公司 | Wind-powered electricity generation motor installing the system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110451404B (en) | 2024-03-22 |
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