CN215364383U - Wind power generation tower cylinder maintenance and repair device - Google Patents
Wind power generation tower cylinder maintenance and repair device Download PDFInfo
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- CN215364383U CN215364383U CN202120448791.XU CN202120448791U CN215364383U CN 215364383 U CN215364383 U CN 215364383U CN 202120448791 U CN202120448791 U CN 202120448791U CN 215364383 U CN215364383 U CN 215364383U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a maintenance and overhaul device for a wind power generation tower, which comprises: circular arc guide rail assembly, rotatory car assembly of lift, cat ladder assembly, power assembly, hanging beam assembly. The utility model has the beneficial effects that: the wind power generation tower has the advantages of multiple purposes, simple structure, convenience in operation, time and labor saving in installation, high product stability, light overall weight and low cost, greatly reduces the bearing of the wind power generation tower, and has good market prospect.
Description
Technical Field
The utility model relates to the field of wind power generation, in particular to a maintenance and overhaul device for a wind power generation tower.
Background
With the rapid development of our society, the electricity consumption is more and more. Wind power generation is energy-concerving and environment-protective, and the development is supported by national great effort, and for improving the generated energy, tower section of thick bamboo height is higher and higher, and the diameter is bigger and bigger, traditional wind power tower section of thick bamboo internally mounted fixed platform and tower section of thick bamboo lift, and fixed platform spreads whole tower section of thick bamboo cross-section, and the installation is wasted time and energy, and is big to the holistic bearing effect of tower section of thick bamboo, and these platforms only are used for the maintenance of bolt under the general condition and overhaul, and tower section of thick bamboo lift can only up-and-down motion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a maintenance and overhaul device for a wind power generation tower barrel, which is used for reducing the weight of the tower barrel, reducing the installation cost and the material cost and realizing the vertical movement and the horizontal circular arc movement of a tower barrel lifter.
In order to achieve the above object, the present invention provides a wind power generation tower maintenance and repair device, comprising: the lifting device comprises a circular arc guide rail assembly, a lifting rotary car assembly, a ladder stand assembly, a power assembly and a hanging beam assembly; the circular arc guide rail assembly is arranged on the wall of the tower cylinder of the wind power generation tower and used for guiding the lifting rotating car assembly; the lifting rotary car assembly can move up and down along the ladder stand assembly and can move along the circumference of the circular arc guide rail assembly; the ladder stand assembly is arranged on the wall of the wind power generation tower cylinder and used for guiding the lifting rotary car assembly; the power assembly is arranged on a bottom platform of the wind power generation tower cylinder and used for driving the lifting rotary car assembly to move up and down; and the hanging beam assembly is arranged at the top of the wind power generation tower cylinder.
Optionally, the circular arc guide rail assembly includes: a guide rail support and a circular arc guide rail welding part; the guide rail support is arranged on the cylinder wall support of the wind power generation tower; and the arc-shaped guide rail welding piece is arranged on the guide rail support.
Optionally, the circular arc guide rail assembly is assembled into a complete circle by a plurality of sections of the circular arc guide rail welding pieces.
Optionally, a flanging is arranged on the top surface of the arc-shaped guide rail welding piece, and an arc-shaped inner gear ring is welded at the bottom of the arc-shaped guide rail welding piece.
Optionally, the rotatory car assembly that goes up and down includes: the elevator comprises a car body, a ladder stand guide device, a cylinder wall support wheel assembly, a guide wheel assembly, a hand wheel, a speed reducer, a gear and a gear shaft; the car body is provided with four half-side windows; the ladder stand guiding device is arranged on the car main body and used for guiding the lifting rotary car assembly during up-and-down movement; the cylinder wall supporting wheel assembly is arranged on the car main body and is used for supporting the lifting rotating car assembly during circular motion; the guide wheel assembly is arranged on the car main body and used for guiding the lifting rotating car assembly during circular motion; the hand wheel is arranged on the speed reducer; the speed reducer is mounted on the car body; the gear is arranged on the gear shaft; the gear shaft is mounted on the speed reducer.
Optionally, the guide wheel assembly comprises: the guide sleeve, the guide pillar, the rotary welding part and the directional wheel set; the guide sleeve is arranged on the car main body; the guide post is arranged on the guide sleeve and can rotate along the guide sleeve in a telescopic way; the rotary welding part is arranged on the guide post and can rotate along the mounting hole; the directional wheel set is mounted on the rotating weldment.
Optionally, after the lifting rotary car assembly is installed on the circular arc guide rail assembly, the guide pillar is tensioned, the rotary welding part rotates automatically, and the directional wheel set contacts with the circular arc guide rail assembly.
Optionally, the lifting and rotating car assembly passes through wire rope with the power assembly is connected, the lifting and rotating car assembly install in behind the circular arc guide rail assembly, the lifting and rotating car assembly with the power assembly separation.
Optionally, rotatory car assembly of going up and down drives through wireless remote control power assembly realizes the rotatory car assembly of going up and down descends.
Optionally, the lifting rotary car assembly realizes horizontal rotation through a manual driving hand wheel.
Optionally, the ladder assembly includes: the device comprises a support, a pressing plate, a fixed crawling ladder and a telescopic crawling ladder; the support is arranged on the wind power generation tower; the pressing plate is arranged on the support and used for fixing the fixed crawling ladder and the telescopic crawling ladder; the fixed crawling ladder is arranged on the support; the extension ladder is arranged on the support and is positioned near the circular arc guide rail assembly.
Optionally, the extension ladder is retractable up and down.
Optionally, the power assembly includes: a lifter, a steel wire rope and a rope collecting machine; the elevator is arranged on a bottom platform of the wind power tower cylinder and provides power for the device; the steel wire rope penetrates through the hoisting machine, one end of the steel wire rope is fixed on the rope collecting machine, and the other end of the steel wire rope penetrates through the hanging beam assembly and is fixed on the lifting rotary car assembly; the rope winding machine is installed on a bottom platform of the wind power tower and used for winding and unwinding the steel wire rope.
Optionally, the hanging beam assembly includes: a hanging beam, a guide wheel and a guide wheel shaft; the hanging beam is arranged at the top of the wind power generation tower cylinder; the guide wheel is arranged in the two hanging beams through the guide wheel shaft.
The utility model has the beneficial effects that: the utility model has the advantages of reducing the weight of the tower drum, reducing the installation cost, reducing the material cost and realizing the vertical movement and the horizontal circular arc movement of the tower drum lifter.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the utility model and are not intended to be limiting of the utility model. Wherein:
FIG. 1 is a schematic view of the entire apparatus;
FIG. 2 is a schematic view of a circular arc guide rail assembly;
FIG. 3 is a schematic view of a lift rotating car assembly;
FIG. 4 is a schematic view of a ladder assembly;
FIG. 5 is a schematic view of a powertrain;
FIG. 6 is a schematic view of a suspension beam assembly;
reference numerals:
1-circular arc guide rail assembly; 2-lifting and rotating the car assembly; 3-ladder assembly; 4-a power train; 5-a hanging beam assembly; 6-guide rail support; 7-arc guide rail welding parts; 8-a car body; 9-ladder climbing guiding device; 10-a drum wall support wheel assembly; 11-a guide wheel assembly; 12-a hand wheel; 13-a speed reducer; 14-a gear; 15-gear shaft; 16-a guide sleeve; 17-a guide post; 18-a rotating weldment; 19-a directional wheel set; 20-supporting; 21-pressing plate; 22-fixed ladder stand; 23-a telescopic ladder stand; 24-a hoist; 25-a steel wire rope; 26-a rope collecting machine; 27-a hanging beam; 28-a guide wheel; 29-guide wheel shaft.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention will be described in detail with reference to the accompanying drawings and the embodiments.
Referring to fig. 1 to 6, the present embodiment provides a maintenance and repair device for a wind power generation tower, including: the device comprises a circular arc guide rail assembly 1, a lifting rotary car assembly 2, a ladder stand assembly 3, a power assembly 4 and a hanging beam assembly 5; the circular arc guide rail assembly 1 is arranged on the wall of the tower cylinder of the wind power generation tower and used for guiding the lifting rotary car assembly 2; the lifting rotary car assembly 2 can move up and down along the ladder stand assembly 3 and can move along the circumference of the circular arc guide rail assembly 1; the ladder stand assembly 3 is arranged on the wall of the wind power generation tower cylinder and used for guiding the lifting rotary car assembly 2; the power assembly 4 is mounted on a bottom platform of the wind power generation tower cylinder and used for driving the lifting rotary car assembly 2 to move up and down; the hanging beam assembly 5 is arranged at the top of the wind power generation tower cylinder and provides a supporting point for the steel wire rope 25; the power assembly 4 is connected with the lifting rotary car assembly 2 through a steel wire rope 25, the power assembly 4 is powered on, the lifting rotary car assembly 2 is arranged on a bottom platform of the wind power tower, an operator enters the lifting rotary car assembly 2, the power assembly 4 is controlled to receive ropes through a wireless remote controller, the lifting rotary car assembly 2 ascends along the ladder stand assembly 3, stops when the gear 14 exceeds the arc-shaped guide rail assembly 1, adjusts the position of the guide wheel assembly 11, operates the wireless remote controller to enable the lifting rotary car assembly 2 to descend, stops running after the guide wheel assembly 11 is contacted with the arc-shaped guide rail assembly 1, adjusts the guide wheel assembly 11, finishes the matching of the guide wheel assembly 11 and the arc-shaped guide rail assembly 1, retracts the telescopic ladder 23, unloads the steel wire rope 26 at the end of the lifting rotary car assembly 2, and drives the gear 14 to rotate through the rotary hand wheel 12, the gear 14 is matched with the arc-shaped guide rail assembly 1 so as to drive the lifting rotary car assembly 2 to rotate, the lifting rotary car assembly 2 can do 360-degree reciprocating rotary motion along the arc-shaped guide rail assembly 1, an operator moves the lifting rotary car assembly 2 to the position near the ladder stand assembly 3 after finishing work, a steel wire rope 26 is connected to the lifting rotary car assembly 2, the telescopic ladder stand 23 is unfolded, the guide wheel assembly 11 is adjusted to be separated from the arc-shaped guide rail assembly 1, the lifting rotary car assembly 2 is lifted by about 0.5 meter by operating a wireless remote controller, the guide wheel assembly 11 is adjusted to be contracted to be shortest, and the lifting rotary car assembly 2 can start to move up and down in the vertical direction.
The beneficial effect of this embodiment is realized 2 horizontal 360 reciprocating rotation of rotatory car assembly of lift and perpendicular reciprocating motion lighten weight, reduce cost, convenient operation, easy maintenance.
Preferably, the circular arc guide rail assembly 1 comprises: a guide rail support 6 and a circular arc guide rail welding piece 7; the guide rail support 6 is arranged on the cylinder wall support of the wind power generation tower cylinder; and the arc-shaped guide rail welding piece 7 is arranged on the guide rail support 6.
The beneficial effects of this preferred embodiment are that simple structure, safe and reliable, stability is good, simple to operate.
Preferably, the circular arc guide rail assembly 1 is assembled into a complete circle by a plurality of sections of the circular arc guide rail welding pieces 7.
The beneficial effects of this preferred embodiment are that reduce manufacturing, the cost of transportation, simple to operate.
Preferably, the top surface of the arc-shaped guide rail welding piece 7 is provided with a flange, the bottom of the arc-shaped guide rail welding piece is welded with an arc-shaped inner gear ring, the flange is matched with the guide wheel assembly 11 for use, and the arc-shaped inner gear ring is matched with the gear 14 for use.
The beneficial effects of this preferred embodiment are that have the direction function, effectively prevent directional wheelset 19 deviates from, simple structure, stable performance.
Preferably, the lifting rotary car assembly 2 comprises: the elevator comprises a car body 8, a ladder guiding device 9, a cylinder wall supporting wheel assembly 10, a guiding wheel assembly 11, a hand wheel 12, a speed reducer 13, a gear 14 and a gear shaft 15; the car body 8 is half-windowed on four sides; the ladder stand guiding device 9 is arranged on the car main body 8 and used for guiding the lifting rotary car assembly 2 during up-and-down movement; the cylinder wall supporting wheel assembly 10 is arranged on the car main body 8 and is used for supporting the lifting rotating car assembly 2 during circular motion; the guide wheel assembly 11 is mounted on the car body 8 and used for guiding the lifting rotary car assembly 2 during circular motion; the hand wheel 12 is arranged on the speed reducer 13; the speed reducer 13 is mounted on the car body 8; the gear 14 is arranged on a gear shaft 15; the gear shaft 15 is mounted on the speed reducer 13; will correspond the side when overhauing and maintaining 8 half fenestrations of car main part are opened, hand wheel 12 carries out the position transform, closes half fenestration after the completion.
The beneficial effects of this preferred embodiment are that structural design can satisfy the tower section of thick bamboo maintenance work of equidirectional, and the security is high, the design of section of thick bamboo wall supporting wheel subassembly 10 has improved the stability of the whole operation of equipment.
Preferably, the guide wheel assembly comprises: a guide sleeve 16, a guide post 17, a rotary welding part 18 and a directional wheel set 19; the guide sleeve 16 is mounted on the car body 8; the guide post 17 is arranged on the guide sleeve 16 and can extend and retract along the guide sleeve 16, and the guide post 17 is threaded; the rotary welding part 18 is arranged on the guide post 17 and can rotate along the mounting hole; the directional wheel set 19 is mounted on the rotary weldment 18; when the lifting rotary car assembly 2 vertically runs, the guide post 17 contracts towards the inner side of the car main body 8, when the lifting rotary car assembly 2 horizontally and annularly runs, the guide post 17 extends towards the inner side of the car main body 8, two groups of directional wheel sets 19 are arranged on the rotary welding piece 18, and one group of directional wheel sets contacts with the upper surface of the arc-shaped guide rail assembly 1 to play a supporting role.
The beneficial effects of this preferred embodiment are that structural design is ingenious, solves direction, support, step up the problem simultaneously.
Preferably, after the lifting rotary car assembly 2 is installed on the circular arc guide rail assembly 1, the guide pillar 17 is tensioned, the rotary welding part 18 automatically rotates, and the directional wheel set 19 contacts with the outer arc surface of the circular arc guide rail assembly 1.
The beneficial effect of the preferred embodiment is that the contact problem of the directional wheel set 19 and the outer arc surface of the circular arc guide rail assembly 1 after being fastened is solved.
Preferably, the lifting and rotating car assembly 2 is connected with the power assembly 4 through a steel wire rope 25, the lifting and rotating car assembly 2 is installed behind the circular arc-shaped guide rail assembly 1, and the lifting and rotating car assembly 2 is separated from the power assembly 4.
The beneficial effect of this preferred embodiment is to solve lift rotatory car assembly 2 with power assembly 4 separates the problem smoothly.
Preferably, the lifting rotary car assembly 2 drives the power assembly 4 through wireless remote control, so that the lifting rotary car assembly 2 ascends and descends.
The beneficial effects of this preferred embodiment are that rotatory car assembly 2 that goes up and down does not have the follow-up cable, solves rotatory car assembly 2 vertical motion control problem and with power assembly 4 separates the problem smoothly.
Preferably, the lifting rotary car assembly 2 realizes horizontal rotation through a manual driving hand wheel.
The beneficial effect of this preferred embodiment is to solve the horizontal annular operation power problem of rotatory car assembly 2 that goes up and down.
Preferably, the ladder assembly 3 comprises: a support 20, a pressure plate 21, a fixed ladder stand 22 and a telescopic ladder stand 23; the support 20 is mounted on the wind power generation tower; the pressing plate 21 is installed on the support 20 and used for fixing the fixed crawling ladder 22 and the telescopic crawling ladder 23; the fixed ladder stand 22 is mounted on the support 20; the extension ladder 23 is mounted on the support 20 and is located near the circular arc guide rail assembly 1.
The beneficial effect of this preferred embodiment is to solve lift rotatory car assembly 2 vertical motion direction problem.
Preferably, the extension ladder 23 is vertically extendable and retractable, and when the elevator car assembly 2 reaches the horizontal ring-shaped running position, the extension ladder 23 is retracted to retract the extension ladder 23 to the shortest position, and after the horizontal ring-shaped running is finished, the extension ladder 23 is extended to be connected with the fixed ladder 22.
The beneficial effect of this preferred embodiment is that solve the problem that rotatory car assembly 2 of lift horizontal circular motion breaks away from cat ladder assembly 3.
Preferably, the power assembly 4 includes: a hoist 24, a steel wire rope 25 and a rope collecting machine 26; the hoister 24 is mounted on a bottom platform of the wind power tower cylinder and provides power for the device; the steel wire rope 25 penetrates through the hoisting machine 24, one end of the steel wire rope is fixed on the rope collecting machine 26, and the other end of the steel wire rope penetrates through the hanging beam assembly 5 and is fixed on the lifting rotary car assembly 2; the rope winding machine 26 is mounted on a bottom platform of the wind power tower and used for winding and unwinding the steel wire rope 25.
The beneficial effects of the preferred embodiment are that the power of vertical motion is provided for this scheme, and the problem of receiving and releasing of wire rope 25 is solved.
Preferably, the hanging beam assembly 5 includes: a hanging beam 27, a guide wheel 28, a guide wheel shaft 29; the hanging beam 5 is arranged at the top of the wind power generation tower cylinder; the guide wheel 28 is mounted in the two suspension beams 27 through the guide wheel shaft 29.
The beneficial effect of the preferred embodiment is that the steel wire rope 25 is effectively guided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a wind power generation tower section of thick bamboo maintenance overhauls device which characterized in that includes: the lifting device comprises a circular arc guide rail assembly, a lifting rotary car assembly, a ladder stand assembly, a power assembly and a hanging beam assembly; the circular arc-shaped guide rail assembly and the ladder stand assembly are both arranged on the wall of the tower cylinder of the wind power generation tower, and the lifting rotary car assembly can move up and down along the ladder stand assembly and can move along the circumference of the circular arc-shaped guide rail assembly; the power assembly is arranged on a bottom platform of the wind power generation tower cylinder and used for driving the lifting rotary car assembly to move up and down; and the hanging beam assembly is arranged at the top of the wind power generation tower cylinder.
2. The wind power generation tower maintenance and repair device of claim 1, wherein: the circular arc guide rail assembly comprises: a guide rail support and a circular arc guide rail welding part; the guide rail support is arranged on the cylinder wall support of the wind power generation tower; and the arc-shaped guide rail welding piece is arranged on the guide rail support.
3. The wind power generation tower maintenance and repair device of claim 1, wherein: rotatory car assembly goes up and down includes: the elevator comprises a car body, a ladder stand guide device, a cylinder wall support wheel assembly, a guide wheel assembly, a hand wheel, a speed reducer, a gear and a gear shaft; the car body is provided with four half-side windows; the ladder stand guiding device is arranged on the car main body and used for guiding the lifting rotary car assembly during up-and-down movement; the cylinder wall supporting wheel assembly is arranged on the car main body and is used for supporting the lifting rotating car assembly during circular motion; the guide wheel assembly is arranged on the car main body and used for guiding the lifting rotating car assembly during circular motion; the hand wheel is arranged on the speed reducer; the speed reducer is mounted on the car body; the gear is arranged on the gear shaft; the gear shaft is mounted on the speed reducer.
4. The wind power generation tower maintenance and repair device of claim 3, wherein: the guide wheel assembly includes: the guide sleeve, the guide pillar, the rotary welding part and the directional wheel set; the guide sleeve is arranged on the car main body; the guide post is arranged on the guide sleeve and can rotate along the guide sleeve in a telescopic way; the rotary welding part is arranged on the guide post and can rotate along the mounting hole; the directional wheel set is mounted on the rotating weldment.
5. The wind power generation tower maintenance and repair device of claim 1, wherein: the lifting rotary car assembly is connected with the power assembly through a steel wire rope, the lifting rotary car assembly is installed behind the circular arc guide rail assembly, and the lifting rotary car assembly is separated from the power assembly.
6. The wind power generation tower maintenance and repair device of claim 1, wherein: the lifting rotary car assembly is driven through wireless remote control, the power assembly realizes ascending and descending of the lifting rotary car assembly.
7. The wind power generation tower maintenance and repair device of claim 3, wherein: the lifting rotary car assembly realizes horizontal rotation through a manual driving hand wheel.
8. The wind power generation tower maintenance and repair device of claim 1, wherein: the cat ladder assembly includes: the device comprises a support, a pressing plate, a fixed crawling ladder and a telescopic crawling ladder; the support is arranged on the wind power generation tower; the pressing plate is arranged on the support and used for fixing the fixed crawling ladder and the telescopic crawling ladder; the fixed crawling ladder is arranged on the support; the telescopic crawling ladder is mounted on the support and located near the circular arc guide rail assembly, and the telescopic crawling ladder can stretch up and down.
9. The wind power generation tower maintenance and repair device of claim 1, wherein: the power assembly includes: a lifter, a steel wire rope and a rope collecting machine; the elevator is arranged on a bottom platform of the wind power tower cylinder and provides power for the device; the steel wire rope penetrates through the hoisting machine, one end of the steel wire rope is fixed on the rope collecting machine, and the other end of the steel wire rope penetrates through the hanging beam assembly and is fixed on the lifting rotary car assembly; the rope winding machine is installed on a bottom platform of the wind power tower and used for winding and unwinding the steel wire rope.
10. The wind power generation tower maintenance and repair device of claim 1, wherein: the hanging beam assembly includes: a hanging beam, a guide wheel and a guide wheel shaft; the hanging beam is arranged at the top of the wind power generation tower cylinder; the guide wheel is arranged in the two hanging beams through the guide wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448791.XU CN215364383U (en) | 2021-03-02 | 2021-03-02 | Wind power generation tower cylinder maintenance and repair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120448791.XU CN215364383U (en) | 2021-03-02 | 2021-03-02 | Wind power generation tower cylinder maintenance and repair device |
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| Publication Number | Publication Date |
|---|---|
| CN215364383U true CN215364383U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120448791.XU Active CN215364383U (en) | 2021-03-02 | 2021-03-02 | Wind power generation tower cylinder maintenance and repair device |
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| CN (1) | CN215364383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855644A (en) * | 2022-03-25 | 2022-08-05 | 浙江恒炜建设集团有限公司 | Bridge main tower structure convenient to maintain and construction method thereof |
| CN116545186A (en) * | 2023-04-25 | 2023-08-04 | 中国长江电力股份有限公司 | Annular sliding rail car operation vehicle for overhauling generator stator |
-
2021
- 2021-03-02 CN CN202120448791.XU patent/CN215364383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855644A (en) * | 2022-03-25 | 2022-08-05 | 浙江恒炜建设集团有限公司 | Bridge main tower structure convenient to maintain and construction method thereof |
| CN116545186A (en) * | 2023-04-25 | 2023-08-04 | 中国长江电力股份有限公司 | Annular sliding rail car operation vehicle for overhauling generator stator |
| CN116545186B (en) * | 2023-04-25 | 2024-03-29 | 中国长江电力股份有限公司 | Annular sliding rail car operation vehicle for overhauling generator stator |
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