CN116730260B - Hanging table for electric power construction - Google Patents

Hanging table for electric power construction Download PDF

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Publication number
CN116730260B
CN116730260B CN202311005354.0A CN202311005354A CN116730260B CN 116730260 B CN116730260 B CN 116730260B CN 202311005354 A CN202311005354 A CN 202311005354A CN 116730260 B CN116730260 B CN 116730260B
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CN
China
Prior art keywords
adjusting
rope
hanging
wheel
lifting
Prior art date
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Active
Application number
CN202311005354.0A
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Chinese (zh)
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CN116730260A (en
Inventor
崔连臣
卢俊
姚伟
李朝瑞
李小龙
周丹
王涵
熊金富
华飞
季家成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Andes Electric Power Tools Manufacturing Co ltd
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
Changshu Andes Electric Power Tools Manufacturing Co ltd
Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Application filed by Changshu Andes Electric Power Tools Manufacturing Co ltd, Xiangyang Power Supply Co of State Grid Hubei Electric Power Co Ltd filed Critical Changshu Andes Electric Power Tools Manufacturing Co ltd
Priority to CN202311005354.0A priority Critical patent/CN116730260B/en
Publication of CN116730260A publication Critical patent/CN116730260A/en
Application granted granted Critical
Publication of CN116730260B publication Critical patent/CN116730260B/en
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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
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/16—Slings with load-engaging platforms or frameworks
    • 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
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • 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
    • B66F13/00—Common constructional features or accessories
    • 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
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Abstract

The invention belongs to the technical field of electric power, and particularly relates to a hanging platform for electric power construction, which comprises a hanging rope I, an adjusting rope I, a pull rope I, a hanging platform, a motor, an adjusting sleeve, a hanging rope II and a first winding wheel; on the other hand, the adjusting sleeve moving downwards can extrude the upper end of the four-strand lifting rope II, so that the position of the upper end of the four-strand lifting rope II, which is matched with the adjusting sleeve, is close to the middle, the originally obliquely distributed part of the upper end of the four-strand lifting rope II is changed into vertical distribution, the lifting platform moves downwards relative to the tower, namely, the lifting platform can be pulled in the vertical direction and the transverse direction in the process, the height of the lifting platform can be kept unchanged basically in the process of adjusting the lifting point position of the lifting platform through the pulling in the two directions, the accurate positioning is convenient, and in addition, the operation mode is more convenient, and the lifting platform has stronger beneficial effects.

Description

Hanging table for electric power construction
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a hanging platform for electric power construction.
Background
When the power system is used for wire erection or maintenance, the hanging table is tied on a higher electric wire through a wire rope, and the height of the hanging table is controlled through the winding and unwinding of the wire rope.
When working, a certain distance exists between the position of a hanging point of the hanging table and the position of a maintenance point, and a constructor on the hanging table needs to lean on for maintenance; when in maintenance, the foot stands on the hanging platform, and the upper body side extends to the outer side of the hanging platform for maintenance, so that the maintenance mode is dangerous; the current hanging platforms do not have the function of conveniently adjusting the position under such circumstances.
If a pull rope is arranged in the tower direction, the lifting platform is pulled towards the maintenance point by pulling the pull rope, so that the distance between the lifting point position of the lifting platform and the maintenance point position can be reduced; as shown in fig. 27, in this case, however, the main rope length must be correspondingly adjusted, otherwise the overall inclined height of the hanging platform is increased; therefore, in order to facilitate safe maintenance, the length of the main rope needs to be adjusted to adapt to the pull rope while the pull rope is adjusted, and the adjustment mode is complicated.
The hanging platform designed by the invention can keep the height of the hanging platform basically unchanged in the process of adjusting the hanging point position of the hanging platform through the pull rope, thereby being convenient for accurate positioning; in addition, the operation mode is more convenient, and the use effect is stronger.
Disclosure of Invention
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the hanging platform for electric power construction comprises a hanging rope I, an adjusting rope I, a pull rope I, a hanging platform, a motor, an adjusting sleeve, a hanging rope II and a first winding wheel, wherein the motor is fixedly arranged at the bottom of the hanging platform, and the first winding wheel is fixedly arranged on an output shaft of the motor; four second lifting ropes are wound on the first winding wheel; the outer ends of the four lifting ropes II extend to four corners of the lifting table along the bottom of the lifting table under the action of the guide wheels, then extend upwards to the upper end of the lifting table along the corners of the lifting table, and finally incline towards the middle of the lifting table to be combined and close together and fixedly connected through one lifting rope I; the upper end of the first lifting rope is fixedly connected with the electric wire.
The four strands of lifting ropes are combined in the middle in a two-way manner and pass through an adjusting sleeve before being connected with the first lifting rope, the adjusting sleeve is of a hollow structure, and four arc-shaped openings communicated with the inside and the outside are uniformly formed in the circumferential direction on the outer circular surface of the lower end of the adjusting sleeve; the upper ends of the four lifting ropes II correspondingly penetrate through the four arc-shaped openings one by one and then penetrate out of the upper ends of the adjusting sleeves to be fixedly connected with the lifting ropes I.
The lower end of the adjusting sleeve is fixedly provided with an adjusting rope I, and one end of a pulling rope I is arranged on the tower and can be adjusted and pulled; the lower end of the first adjusting rope vertically extends downwards and is fixedly connected with the first stay cord.
As a preferable scheme, four second guide wheels are fixedly arranged at the middle position of the bottom of the hanging table, four third guide wheels are fixedly arranged at the four corners of the bottom of the hanging table, and four first guide wheels are fixedly arranged at the four corners of the upper end of the hanging table; the second lifting rope corresponds to the second guide wheel, the third guide wheel and the first guide wheel which are in the same direction; the four second lifting ropes respectively pass through the corresponding second guide wheel, third guide wheel and first guide wheel in sequence and then extend upwards.
Preferably, the lower end of the first adjusting rope vertically extends downwards and then penetrates downwards from the middle position of the bottom plate of the hanging platform, and the first adjusting rope penetrating out from the lower side of the bottom plate of the hanging platform is connected with the first pulling rope.
As a preferable scheme, the lower side of the lifting platform bottom plate is coaxially and rotatably provided with a fourth guide wheel and a first worm wheel, and the first adjusting rope is downwards penetrated out of the lifting platform bottom plate and then is connected with the first pulling rope through the guide of the fourth guide wheel; the first adjusting rod is rotatably arranged on the bottom plate of the hanging table, the lower end of the first adjusting rod is provided with a worm, and the worm is meshed with the first worm wheel; the upper end of the first adjusting rod is positioned at the upper side of the lifting platform bottom plate and is fixedly provided with a first gear, the second gear is rotatably arranged at the upper side of the lifting platform bottom plate, and the second gear is meshed with the first gear; and a handle is fixedly arranged on the upper side of the second gear.
As a preferable scheme, the lower side of the lifting platform bottom plate is coaxially and rotatably provided with a second winding wheel and a second worm wheel, the first adjusting rope penetrates out of the lifting platform bottom plate downwards and then is wound by the second winding wheel, and the first adjusting rope is connected with the first stay cord after being wound on the second winding wheel for a plurality of circles; the second adjusting rod is rotatably arranged on the bottom plate of the hanging table, the lower end of the second adjusting rod is provided with a worm, and the worm is meshed with the second worm wheel; the upper end of the second adjusting rod is positioned at the upper side of the bottom plate of the hanging platform and is provided with a hexagonal groove.
As a preferable scheme, the bottom of the hanging table is symmetrically provided with two sixth guide wheels and two fifth guide wheels in a rotating way, one ends of two pull ropes are combined and then fixedly connected with the first pull rope, and the other ends of the two pull ropes are guided by the two fifth guide wheels and the two sixth guide wheels to extend to two sides and then draw close to the middle, and then are combined together and fixedly connected with the first pull rope.
As an optimal scheme, a sliding frame is arranged in the hanging platform in a sliding way, the upper ends of the four first regulating ropes are fixedly arranged at the lower ends of the regulating sleeves in the circumferential direction, and the lower ends of the four first regulating ropes extend downwards in an inclined way and are fixedly arranged at the upper ends of the sliding frame; the sliding frame is connected with the first stay cord.
As a preferable scheme, three eighth guide wheels are fixedly arranged on the lower side of the hanging platform bottom plate, two adjusting ropes III are arranged on the lower side of the sliding frame, the upper ends of the two adjusting ropes III are fixedly arranged on the sliding frame, and the lower ends of the two adjusting ropes III vertically extend downwards to penetrate through the hanging platform bottom plate and then are guided by the three eighth guide wheels to vertically draw together downwards; a tenth guide wheel and an eleventh guide wheel are fixedly arranged on the lower side of the lifting platform bottom plate, and two strands of adjusting ropes which extend downwards and are close together are fixedly connected together by one strand of adjusting rope four; the fourth adjusting rope is fixedly connected with the first stay cord after passing through the tenth guide wheel and the eleventh guide wheel.
The lower side of the bottom plate of the hanging table is slidably provided with a pressing wheel through a supporting plate, a spring is arranged between the pressing wheel and the supporting plate, and the spring is a compression spring and has pre-pressure; the lower side of the bottom plate of the hanging table is coaxially and rotatably provided with a twelfth guide wheel and a third worm wheel through a supporting plate, the fourth adjusting rope passes through the twelfth guide wheel, and the pressing wheel and the twelfth guide wheel are vertically distributed; the third adjusting rod is rotatably arranged on the bottom plate of the hanging table, and the lower end of the third adjusting rod is provided with a worm which is meshed with the third worm wheel.
As a preferable scheme, three eighth guide wheels are fixedly arranged on the lower side of the hanging platform bottom plate, two adjusting ropes III are arranged on the lower side of the sliding frame, the upper ends of the two adjusting ropes III are fixedly arranged on the sliding frame, and the lower ends of the two adjusting ropes III vertically extend downwards to penetrate through the hanging platform bottom plate and then are guided by the three eighth guide wheels to vertically draw together downwards; a tenth guide wheel and an eleventh guide wheel are fixedly arranged on the lower side of the lifting platform bottom plate, and two strands of adjusting ropes which extend downwards and are close together are fixedly connected together by one strand of adjusting rope four; the fourth adjusting rope is fixedly connected with the first stay cord after passing through the tenth guide wheel and the eleventh guide wheel.
The lower side of the lifting platform bottom plate is coaxially and rotatably provided with a twelfth guide wheel and a fourth worm wheel through a supporting plate, the fourth adjusting rope passes through the twelfth guide wheel, and the lower side of the lifting platform bottom plate is slidably provided with a third winding wheel through the supporting plate; the adjusting rope is wound through a third winding wheel; the fourth adjusting rod is rotatably arranged on the bottom plate of the hanging table, and the lower end of the fourth adjusting rod is provided with a worm which is meshed with the fourth worm wheel.
As the preferable scheme, two sixth guide wheels and two fifth guide wheels are symmetrically arranged at the bottom of the hanging table in a rotating way, one ends of two pull ropes are combined and then fixedly connected with the adjusting rope IV, and the other ends of the two pull ropes are guided by the two fifth guide wheels and the two sixth guide wheels to extend to two sides and then draw close to the middle, and then are combined together and fixedly connected with the pull rope I.
Compared with the prior art, when the hanging platform is close to the tower, the first pull rope is pulled to the hanging platform side through the driving structure in the embodiment, so that the hanging platform is close to the tower, the first adjusting rope is released, the second hanging rope 7 has a stretching force under the gravity of the hanging platform, the adjusting sleeve moves upwards under the stretching force, the inclined second hanging rope 7 positioned at the lower side of the adjusting sleeve is prolonged when the adjusting sleeve moves upwards, the hanging platform moves downwards relative to the tower, namely, the hanging platform can be pulled in the vertical direction and the transverse direction in the process, the height of the hanging platform can be kept unchanged basically in the process of adjusting the hanging platform to be close to the tower through the pulling in the two directions, and the hanging platform is convenient to position and operate.
Drawings
Fig. 1 is a schematic view of the overall component appearance.
Fig. 2 is a schematic diagram of a second installation of a lifting rope.
Fig. 3 is a schematic diagram of motor installation.
Fig. 4 is a schematic view of a first winding wheel installation.
Fig. 5 is a schematic diagram showing the distribution of the hoist ropes.
Fig. 6 is a schematic view of an installation of an adjusting rope.
Fig. 7 is a schematic diagram showing the distribution of the pull cord.
Fig. 8 is a schematic diagram of the fifth and sixth guide wheel profiles.
Fig. 9 is a two-piece schematic view of the overall component.
FIG. 10 is a schematic view of the distribution of the bottom structure of the gantry.
Fig. 11 is a schematic diagram of a second pull cord installation.
Fig. 12 is a second winding wheel installation schematic.
Fig. 13 is a three-piece exterior view.
Fig. 14 is a schematic view of a sliding frame installation.
FIG. 15 is a diagram showing two schematic distributions of the bottom structure of the hanging platform.
Fig. 16 is a schematic view of the mounting of the base structure of the gantry.
Fig. 17 is a schematic diagram of the installation of the second lifting rope 7.
Fig. 18 is a schematic view of a three-installation of an adjustment cord.
Fig. 19 is a schematic diagram of a three-profile of an adjustment cord.
Fig. 20 is a schematic view of tenth and eleventh guide wheel installations.
Figure 21 is a schematic diagram of the puck distribution.
FIG. 22 is a schematic illustration of the three mating of the pinch roller and the adjustment cord.
Fig. 23 is a schematic view showing the appearance of the whole part.
Fig. 24 is a schematic view of the distribution of the bottom structure of the hanging platform.
Fig. 25 is a schematic diagram of the cooperation of the second rope and the fifth guide wheel.
Fig. 26 is a third winding wheel installation schematic.
Fig. 27 is a prior art gantry pulling schematic.
Fig. 28 is a schematic view of a second winding wheel structure.
Fig. 29 is a schematic view of a third winding wheel structure.
Reference numerals in the figures: 1. a hanging rope I; 2. an adjusting rope I; 3. a first pull rope; 4. a hanging platform; 5. a motor; 6. an adjusting sleeve; 7. a hanging rope II; 8. a first winding wheel; 9. a first guide wheel; 10. an anti-drop plate I; 11. a second guide wheel; 12. a third guide wheel; 13. an anti-drop plate II; 14. an arc opening; 15. an adjusting rope III; 16. a first adjusting lever; 17. a first gear; 18. a second gear; 19. a handle; 20. a fourth guide wheel; 21. a first worm wheel; 22. a second rope; 23. a fifth guide wheel; 24. a sixth guide wheel; 25. a second winding wheel; 26. a second worm wheel; 27. a second adjusting lever; 28. a sliding frame; 30. a seventh guide wheel; 31. an eighth guide wheel; 32. a ninth guide wheel; 33. an adjusting rope IV; 34. a tenth guide wheel; 35. an eleventh guide wheel; 36. a pinch roller; 37. a spring; 38. a third worm wheel; 39. a third adjusting lever; 40. a twelfth guide wheel; 41. a third winding wheel; 42. a fourth worm wheel; 43. a fourth adjusting lever; 44. and (3) a tower.
Description of the embodiments
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples or drawings are illustrative of the present invention and are not intended to limit the scope of the present invention.
The hanging platform 4 for electric power construction comprises a hanging rope 1, an adjusting rope 2, a pulling rope 3, the hanging platform 4, a motor 5, an adjusting sleeve 6, a hanging rope 7 and a first winding wheel 8, wherein the motor 5 is fixedly arranged at the bottom of the hanging platform 4, and the first winding wheel 8 is fixedly arranged on an output shaft of the motor 5 as shown in fig. 4; four second lifting ropes 7 are wound on the first winding wheel 8; the outer ends of the four-strand lifting ropes II 7 extend to four corners of the lifting table 4 along the bottom of the lifting table 4 under the action of the guide wheels, then extend upwards to the upper end of the lifting table 4 along the corners of the lifting table 4, and finally incline towards the middle of the lifting table 4 to be combined and close and fixedly connected through the one-strand lifting rope I1; the upper end of the lifting rope I1 is fixedly connected with the electric wire.
According to the invention, the rotation of the first winding wheel 8 can be controlled by controlling the operation of the motor 5, and the first winding wheel 8 rotates to drive the four lifting ropes II 7 to shrink; since the upper end of the first hoist rope 1 connected to the second four hoist ropes 7 is fixedly attached to the electric wire and is stationary with respect to the electric wire and the tower 44, the lifting of the hoist table 4 can be controlled when the second four hoist ropes 7 are contracted.
As shown in fig. 1 and 2, the four lifting ropes two 7 are combined towards the middle and pass through an adjusting sleeve 6 before being connected with the lifting rope one 1, the adjusting sleeve 6 is of a hollow structure, and four arc-shaped openings 14 with inner and outer communicated are uniformly formed in the circumferential direction on the outer circular surface of the lower end of the adjusting sleeve 6; the upper ends of the four lifting ropes II 7 penetrate through the four arc-shaped openings 14 in a one-to-one correspondence manner and then penetrate out of the upper end of the adjusting sleeve 6 to be fixedly connected with the lifting rope I1.
As shown in fig. 3 and 4, four second guide wheels 11 are fixedly installed at the middle position of the bottom of the hanging platform 4, four third guide wheels 12 are fixedly installed at four corners of the bottom of the hanging platform 4, and four first guide wheels 9 are fixedly installed at four corners of the upper end of the hanging platform 4; the second lifting rope 7 corresponds to the second guide wheel 11, the third guide wheel 12 and the first guide wheel 9 which are in the same azimuth; the four strands of lifting ropes II 7 respectively pass through the corresponding second guide wheel 11, the third guide wheel 12 and the first guide wheel 9 in sequence and then extend upwards. According to the invention, the third guide wheel 12, the second guide wheel 11 and the first guide wheel 9 play a role in guiding the four-strand lifting ropes II 7, so that the four-strand lifting ropes II 7 extend upwards from four corners of the lifting platform 4 to play a role in suspending the lifting platform 4, and the structure can ensure the stability of the lifting platform 4 in the lifting process, and the lifting platform 4 cannot incline or shake laterally due to uneven distribution of the received tensile force.
According to the invention, the guide wheels are provided with the anti-falling plates 10, and the anti-falling plates 10 can prevent the lifting rope from being separated from the guide wheels to influence the lifting stability of the lifting platform 4.
As shown in fig. 5, 9, 12 and 23, the lower end of the adjusting sleeve 6 is fixedly provided with an adjusting rope one 2, one end of a stay cord one 3 is fixedly arranged on a tower 44, and the adjusting rope one 2 is connected with the stay cord one 3.
The first stay rope 3 is pulled to the hanging platform through the driving structure, the hanging platform is close to the tower, the first adjusting rope 2 is loosened, the second four-strand hanging rope 7 has a transverse opening force under the action of gravity of the hanging platform, the angle between the two hanging ropes 7 has a small trend, the adjusting sleeve is enabled to move upwards by the force, the hanging platform 4 moves downwards relative to the tower 44, namely, the hanging platform 4 can be pulled in the vertical direction and the transverse direction in the process, the height of the hanging platform 4 can be kept unchanged basically in the process of adjusting the hanging point position of the hanging platform 4 through the pulling in the two directions, and accurate positioning is facilitated.
As shown in fig. 5, an embodiment 1 in which the first adjustment rope 2 and the first pull rope 3 are connected: the lower end of the first adjusting rope 2 vertically extends downwards and then passes through the middle position of the bottom plate of the hanging platform 4 downwards, as shown in fig. 6 and 8, a fourth guide wheel 20 and a first worm wheel 21 are coaxially and rotatably arranged on the lower side of the bottom plate of the hanging platform 4, a first adjusting rod 16 is rotatably arranged on the bottom plate of the hanging platform 4, the lower end of the first adjusting rod 16 is a worm, and the worm is meshed with the first worm wheel 21; the upper end of the first adjusting rod 16 is positioned on the upper side of the bottom plate of the hanging table 4 and is fixedly provided with a first gear 17, a second gear 18 is rotatably arranged on the upper side of the bottom plate of the hanging table 4, and the second gear 18 is meshed with the first gear 17; a handle 19 is fixedly arranged on the upper side of the second gear 18; as shown in fig. 7, two sixth guide wheels 24 and two fifth guide wheels 23 are symmetrically rotatably mounted at the bottom of the hanging platform 4, one ends of two pull ropes 22 are combined and fixedly connected with the first pull rope 3, and the other ends of the two pull ropes 22 are guided by the two fifth guide wheels 23 and the two sixth guide wheels 24 to extend to two sides and then draw close to the middle and then are combined together; the first adjusting rope 2 is connected with the second combined pulling rope 22 through the guidance of the fourth guide wheel 20 after penetrating out from the bottom plate of the hanging table 4.
When the adjusting hanging platform 4 is close to the tower, the second gear 18 is driven to rotate through the handle 19, the second gear 18 rotates to drive the first gear 17 to rotate, the first gear 17 rotates to drive the first adjusting rod 16 to rotate, the first adjusting rod 16 rotates to drive the first worm wheel 21 to rotate, the first worm wheel 21 rotates to drive the fourth guide wheel 20 to rotate, the fourth guide wheel 20 pulls the second pull rope 22 to move towards the hanging platform through friction, the second pull rope 22 moves towards the hanging platform to release the first adjusting rope 2, the adjusting sleeve is under the gravity action of the hanging platform, the second hanging rope 7 has a transverse opening force, the angle between the two forces has a trend of reducing, and the force can enable the adjusting sleeve to move upwards and move upwards. In the process, the hanging platform 4 can transversely slide to one side of the tower 44 under the traction of the first stay rope 3; on the other hand, the downward-moving adjusting sleeve 6 moves upwards, so that the hanging platform moves downwards, the height of the hanging platform 4 can be kept unchanged basically in the process of adjusting the hanging point position of the hanging platform 4 through traction in two directions, and accurate positioning is facilitated. The invention designs the worm wheel and the worm in the traction transmission process, and the hanging table 4 can be locked to a certain degree after adjustment through the self-locking function of the worm and the worm wheel, so that the position change of the hanging table is not easy to occur.
As shown in fig. 9, 10 and 11, the second embodiment in which the first adjustment rope 2 is connected to the first pull rope 3 is as follows: the lower end of the first adjusting rope 2 vertically extends downwards and then passes through the middle position of the bottom plate of the hanging platform 4 downwards, a second winding wheel 25 and a second worm wheel 26 are coaxially and rotatably arranged on the lower side of the bottom plate of the hanging platform 4, as shown in fig. 7, two sixth guide wheels 24 and two fifth guide wheels 23 are symmetrically and rotatably arranged on the bottom of the hanging platform 4, one ends of the two second pull ropes 22 are fixedly connected with the first pull ropes 3 after being combined, and the other ends of the two pull ropes 22 are guided by the two fifth guide wheels 23 and the two sixth guide wheels 24 to extend towards two sides and then approach towards the middle and then are combined together; as shown in fig. 12, the first adjusting rope 2 is wound through the second winding wheel 25 after being penetrated out from the bottom plate of the hanging platform 4 downwards, and the first adjusting rope 2 is connected with the combined second pull rope 22 after being wound on the second winding wheel 25 for a plurality of turns; as shown in fig. 28 and 29, the radii of the two ends of the second winding wheel 25 are the same, so that the winding proportion of the ropes at the two ends of the second winding wheel 25 can be controlled according to the actual adjustment requirement of the hanging platform; the second adjusting rod 27 is rotatably arranged on the bottom plate of the hanging platform 4, the lower end of the second adjusting rod 27 is a worm, and the worm is meshed with the second worm wheel 26; the upper end of the second adjusting rod 27 is positioned on the upper side of the bottom plate of the hanging platform 4 and is provided with a hexagonal groove.
When the adjusting hanging platform 4 is close to the tower, the second adjusting rod 27 is driven to rotate by an auxiliary tool, the second adjusting rod 27 rotates to drive the second worm wheel 26 to rotate, the second worm wheel 26 rotates to drive the second winding wheel 25 to rotate, one end of the adjusting rope I2 connected with the adjusting sleeve 6 can be released in the rotating process of the second winding wheel 25, meanwhile, one end of the adjusting rope I2 connected with the pulling rope II 22 can be pulled, the hanging rope II 7 has a transverse opening force under the action of the gravity of the hanging platform, the angle between the two ends of the hanging rope I7 has a trend of reducing, the adjusting sleeve is moved upwards by the force, the hanging platform moves downwards simultaneously, and the hanging platform 4 transversely slides to the side of the tower 44 under the traction of the pulling rope I3 in the process; on the other hand, the downward-moving adjusting sleeve 6 moves upwards, so that the hanging platform moves downwards, the height of the hanging platform 4 can be kept unchanged basically in the process of adjusting the hanging point position of the hanging platform 4 through traction in two directions, and accurate positioning is facilitated. The invention designs the worm wheel and the worm in the traction transmission process, and the hanging table 4 can be locked to a certain degree after adjustment through the self-locking function of the worm and the worm wheel.
As shown in fig. 13, 14 and 15, the third embodiment of the connection between the first adjustment rope 2 and the first pull rope 3 is as follows: the sliding frame 28 is arranged in the hanging table 4 in a sliding manner, the upper ends of the four first regulating ropes 2 are fixedly arranged at the lower ends of the regulating sleeves 6 in the circumferential direction, and the lower ends of the four first regulating ropes 2 extend downwards in an inclined manner and are fixedly arranged at the upper ends of the sliding frame 28; three eighth guide wheels 31 are fixedly arranged on the lower side of the bottom plate of the hanging table 4, two adjusting ropes three 15 are arranged on the lower side of the sliding frame 28, as shown in fig. 16 and 18, the upper ends of the two adjusting ropes three 15 are fixedly arranged on the sliding frame 28, and the lower ends of the two adjusting ropes three 15 vertically extend downwards to penetrate through the bottom plate of the hanging table 4 and then are guided by the three eighth guide wheels 31 to vertically draw together downwards; a tenth guide wheel 34 and an eleventh guide wheel 35 are fixedly arranged on the lower side of the bottom plate of the hanging table 4, and two adjusting ropes III 15 which extend downwards and are close together are fixedly connected together by a adjusting rope IV 33; as shown in fig. 21 and 22, a pressing wheel 36 is slidably mounted on the lower side of the bottom plate of the hanging platform 4 through a supporting plate, a spring 37 is mounted between the pressing wheel 36 and the supporting plate, and the spring 37 is a compression spring 37 and has a pre-pressure; the lower side of the bottom plate of the hanging table 4 is coaxially and rotatably provided with a twelfth guide wheel 40 and a third worm wheel 38 through a supporting plate, a fourth regulating rope 33 passes through the twelfth guide wheel 40, and the pressing wheel 36 and the twelfth guide wheel 40 are vertically distributed; the third adjusting rod 39 is rotatably installed on the bottom plate of the hanging platform 4, the lower end of the third adjusting rod 39 is a worm, and the worm is meshed with the third worm wheel 38; as shown in fig. 17, 19 and 20, two sixth guide wheels 24 and two fifth guide wheels 23 are symmetrically rotatably mounted at the bottom of the hanging platform 4, one ends of two pull ropes 22 are combined and fixedly connected with an adjusting rope four 33, and the other ends of the two pull ropes 22 are guided by the two fifth guide wheels 23 and the two sixth guide wheels 24 to extend to two sides and then approach to the middle and then are combined together; the fourth regulating rope 33 is fixedly connected with the combined second stay rope 22 after passing through the tenth guide wheel 34 and the eleventh guide wheel 35.
When the adjusting hanging platform 4 is close to the tower, the third adjusting rod 39 is driven to rotate by an auxiliary tool, the third adjusting rod 39 rotates to drive the third worm wheel 38 to rotate, the third worm wheel 38 rotates to drive the twelfth guide wheel 40 to rotate, the twelfth guide wheel 40 releases the fourth adjusting rope 33 through friction, the fourth adjusting rope 33 moves upwards and simultaneously drives the two hanging ropes 7 to release, after the two hanging ropes 7 are released, the adjusting sleeve is under the gravity action of the hanging platform, the two hanging ropes 7 have a transverse opening force, the angle between the two hanging ropes has a trend of reducing, the force is driven to move upwards by the adjusting sleeve, and then the sliding frame 28 is driven to slide upwards, and in the process, the hanging platform 4 is driven by the first stay rope 3 to slide transversely to the side of the tower 44; on the other hand, the downward-moving adjusting sleeve 6 moves upwards, so that the hanging platform moves downwards, the height of the hanging platform 4 can be kept unchanged basically in the process of adjusting the hanging point position of the hanging platform 4 through traction in two directions, and accurate positioning is facilitated. The worm wheel and the worm are designed in the traction transmission process, and the hanging table 4 can be locked to a certain degree after adjustment through the self-locking function of the worm and the worm wheel, so that the condition of height change is not easy to occur; the pinch roller 36 in the invention has the function of ensuring the pressing force between the fourth regulating rope 33 and the twelfth guide wheel 40, and can smoothly drive the fourth regulating rope 33 to move when the twelfth guide wheel 40 rotates.
The guide wheels designed by the invention are provided with anti-drop plates for preventing the pull ropes or the adjusting ropes from dropping off.
As shown in fig. 23 and 24, the fourth embodiment of the connection between the first adjustment rope 2 and the first pull rope 3 is: the sliding frame 28 is arranged in the hanging table 4 in a sliding manner, the upper ends of the four first regulating ropes 2 are fixedly arranged at the lower ends of the regulating sleeves 6 in the circumferential direction, and the lower ends of the four first regulating ropes 2 extend downwards in an inclined manner and are fixedly arranged at the upper ends of the sliding frame 28; three eighth guide wheels 31 are fixedly arranged on the lower side of the bottom plate of the hanging table 4, two adjusting ropes III 15 are arranged on the lower side of the sliding frame 28, the upper ends of the two adjusting ropes III 15 are fixedly arranged on the sliding frame 28, and the lower ends of the two adjusting ropes III 15 vertically extend downwards to penetrate through the bottom plate of the hanging table 4 and then are guided by the three eighth guide wheels 31 to vertically draw together downwards; a tenth guide wheel 34 and an eleventh guide wheel 35 are fixedly arranged on the lower side of the bottom plate of the hanging table 4, and two adjusting ropes III 15 which extend downwards and are close together are fixedly connected together by a adjusting rope IV 33; the lower side of the bottom plate of the hanging platform 4 is coaxially and rotatably provided with a twelfth guide wheel 40 and a fourth worm wheel 42 through a supporting plate, the fourth regulating rope 33 passes through the twelfth guide wheel 40, as shown in fig. 25 and 26, the lower side of the bottom plate of the hanging platform 4 is slidably provided with a third winding wheel 41 through the supporting plate, as shown in fig. 28 and 29, the radius of two ends of the third winding wheel 41 is the same or the step change, so that the winding proportion of regulating ropes at two ends of the third winding wheel 41 can be controlled according to the actual regulating requirement of the hanging platform; the fourth adjustment cord 33 is wound through the third winding wheel 41; the fourth adjusting rod 43 is rotatably installed on the bottom plate of the hanging platform 4, the lower end of the fourth adjusting rod 43 is a worm, and the worm is meshed with the fourth worm wheel 42; two sixth guide wheels 24 and two fifth guide wheels 23 are symmetrically and rotatably arranged at the bottom of the hanging table 4, one ends of two pull ropes 22 are combined and fixedly connected with an adjusting rope IV 33, and the other ends of the two pull ropes 22 are guided by the two fifth guide wheels 23 and the two sixth guide wheels 24 to extend to two sides and then to the middle to be close together and then are combined together; the fourth regulating rope 33 is fixedly connected with the combined second stay rope 22 after passing through the tenth guide wheel 34 and the eleventh guide wheel 35.
When the adjusting hanging platform 4 is close to the tower, the fourth adjusting rod 43 is driven to rotate by an auxiliary tool, the fourth adjusting rod 43 rotates to drive the fourth worm wheel 42 to rotate, the fourth worm wheel 42 rotates to drive the third winding wheel 41 to rotate, the third winding wheel 41 releases the adjusting rope IV 33 through friction, the adjusting rope IV 33 releases to drive the two hanging ropes II 7 to loosen, after the two hanging ropes II 7 become loose, under the action of the gravity of the hanging platform, the hanging ropes II 7 have a transverse opening force, the angle between the hanging ropes II has a trend of reducing, the adjusting sleeve moves upwards by the force to drive the sliding frame 28 to slide upwards, and in the process, the hanging platform 4 is pulled by the pull rope I3 to slide transversely to the side of the tower 44; on the other hand, the downward-moving adjusting sleeve 6 moves upwards, so that the hanging platform moves downwards, the height of the hanging platform 4 can be kept unchanged basically in the process of adjusting the hanging point position of the hanging platform 4 through traction in two directions, and accurate positioning is facilitated. The invention designs the worm wheel and the worm in the traction transmission process, and the hanging table 4 can be locked to a certain degree after adjustment through the self-locking function of the worm and the worm wheel, so that the height change is not easy to occur.
In the invention, when the fourth regulating rope 33 is pulled to slide, the fourth regulating rope 33 is wound on the third winding wheel 41, so that the friction force between the fourth regulating rope 33 and the third winding wheel 41 is enough to smoothly drive the fourth regulating rope 33 to slide when the third winding wheel 41 rotates.
The guide wheels are provided with anti-falling plates for preventing the pull ropes or the adjusting ropes from falling off.
In the invention, one end of two stay wires II 22 is combined and then fixedly connected with a stay wire I3, and the other end of the two stay wires II 22 is guided by two fifth guide wheels 23 and two sixth guide wheels 24 to extend to two sides and then draw close to the middle and then are combined together, and then is in transmission connection with an adjusting rope I2; the structure can apply the traction force of the first stay rope 3 to the front side and the rear side of the hanging table 4, so that the uniformity of the stress of the hanging table 4 is ensured, and the traction stability of the hanging table 4 is ensured.
The invention designs the sliding frame 28 so that the traction of the adjusting sleeve 6 is distributed on the outer side, and the structure can give up the middle position of the hanging platform 4, thereby avoiding the influence of the first adjusting rope 2 on the staff on the hanging platform 4.
The second winding wheel 25 and the third winding wheel 41 are winding wheels with variable radiuses, the structure can ensure the winding and unwinding amounts of the release end and the receiving end of the adjusting ropes wound on the second winding wheel 25 and the third winding wheel 41, the requirements of the hanging platform 4 on the transverse moving direction and the downward moving direction in the process of changing the hanging point are basically met, the height of the hanging platform 4 can be kept unchanged in the process of adjusting the hanging point position of the hanging platform 4, the accurate positioning is convenient, and other shapes can be adopted for achieving the purpose of basically unchanged height.
When the electric wires distributed at different heights are suitable, the lifting table 4 needs to lift in a small amplitude, at the moment, the work of the motor 5 is controlled, the work of the motor 5 can control the rotation of the first winding wheel 8, and the first winding wheel 8 rotates to drive the four strands of lifting ropes II 7 to shrink; since the upper end of the first hoist rope 1 connected to the second four hoist ropes 7 is fixedly mounted on the electric wire and is stationary with respect to the electric wire and the tower 44, the small-amplitude lifting of the hoist table 4 can be controlled when the second four hoist ropes 7 are contracted. In addition, the invention realizes the purpose of basically unchanged height in the process of automatically approaching the tower without adjusting the motor 5 through four embodiments, and has the beneficial effect of convenient construction for wires at different heights under the condition of the function being used together with a lifting structure related to the motor 5.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.

Claims (10)

1. A hanging platform for electric power construction has hanging platform, its characterized in that: the lifting device also comprises a lifting rope I, an adjusting rope I, a pull rope I, a motor, an adjusting sleeve, a lifting rope II and a first winding wheel, wherein the motor is fixedly arranged at the bottom of the lifting platform, and the first winding wheel is fixedly arranged on an output shaft of the motor; the second four-strand lifting rope is wound and installed on the first winding wheel; the outer ends of the four-strand lifting ropes II extend to four corners of the lifting platform along the bottom of the lifting platform under the action of the guide wheels, then extend upwards to the upper end of the lifting platform along the corners of the lifting platform, and finally are obliquely combined towards the middle of the lifting platform and are fixedly connected through one strand of lifting rope I; the upper end of the first lifting rope is fixedly connected with the electric wire; the four strands of lifting ropes are combined in the middle in a two-way manner and pass through an adjusting sleeve before being connected with the first lifting rope, the adjusting sleeve is of a hollow structure, and four arc-shaped openings communicated with the inside and the outside are uniformly formed in the circumferential direction on the outer circular surface of the lower end of the adjusting sleeve; the upper ends of the four lifting ropes II correspondingly penetrate through the four arc-shaped openings one by one and then penetrate out of the upper ends of the adjusting sleeves to be fixedly connected with the lifting ropes I; the lower end of the adjusting sleeve is fixedly provided with an adjusting rope I, and one end of a stay rope I is arranged on the tower and can be adjusted and pulled; the lower end of the first adjusting rope vertically extends downwards and is fixedly connected with the first stay cord.
2. The hoisting stand for electric power construction according to claim 1, wherein: four second guide wheels are fixedly arranged at the middle position of the bottom of the hanging table, four third guide wheels are fixedly arranged at the four corners of the bottom of the hanging table, and four first guide wheels are fixedly arranged at the four corners of the upper end of the hanging table; the second lifting rope corresponds to the second guide wheel, the third guide wheel and the first guide wheel which are in the same direction with the second lifting rope; the four second lifting ropes respectively pass through the corresponding second guide wheel, third guide wheel and first guide wheel in sequence and then extend upwards.
3. The hoisting stand for electric power construction according to claim 1, wherein: the lower end of the first adjusting rope vertically extends downwards and then downwards penetrates out of the middle position of the lifting platform bottom plate, and the first adjusting rope penetrating out of the lower side of the lifting platform bottom plate is connected with the first pulling rope.
4. A hanging platform for electric power construction according to claim 3, characterized in that: the lower side of the hanging platform bottom plate is coaxially and rotatably provided with a fourth guide wheel and a first worm wheel, and the first adjusting rope penetrates out of the hanging platform bottom plate downwards and then is connected with the first stay cord through the guide of the fourth guide wheel; the first adjusting rod is rotatably arranged on the bottom plate of the hanging table, the lower end of the first adjusting rod is provided with a worm, and the worm is meshed with the first worm wheel; the upper end of the first adjusting rod is positioned at the upper side of the lifting platform bottom plate and is fixedly provided with a first gear, the second gear is rotatably arranged at the upper side of the lifting platform bottom plate, and the second gear is meshed with the first gear; the upper side of the second gear is fixedly provided with a handle.
5. A hanging platform for electric power construction according to claim 3, characterized in that: the lower side of the hanging platform bottom plate is coaxially and rotatably provided with a second winding wheel and a second worm wheel, the first adjusting rope downwards penetrates out of the hanging platform bottom plate and then is wound by the second winding wheel, and the first adjusting rope is connected with the first stay cord after being wound on the second winding wheel for a plurality of circles; the second adjusting rod is rotatably arranged on the bottom plate of the hanging table, the lower end of the second adjusting rod is provided with a worm, and the worm is meshed with the second worm wheel; the upper end of the second adjusting rod is positioned at the upper side of the bottom plate of the hanging platform and is provided with a hexagonal groove.
6. A hanging platform for electric power construction according to claim 4 or claim 5, characterized in that: two sixth guide wheels and two fifth guide wheels are symmetrically arranged at the bottom of the hanging table in a rotating mode, one ends of two second pull ropes are combined and then fixedly connected with the first pull ropes, and the other ends of the two second pull ropes are guided by the two fifth guide wheels and the two sixth guide wheels to extend to two sides firstly and then close to the middle and then are combined together and fixedly connected with the first pull ropes.
7. The hoisting stand for electric power construction according to claim 1, wherein: the sliding frame is arranged in the hanging table in a sliding manner, the upper ends of the four first regulating ropes are fixedly arranged at the lower ends of the regulating sleeves in the circumferential direction, and the lower ends of the four first regulating ropes extend downwards in an inclined manner and are fixedly arranged at the upper ends of the sliding frame; the sliding frame is connected with the first stay cord.
8. The overhead crane for power construction according to claim 7, wherein: three eighth guide wheels are fixedly arranged on the lower side of the lifting platform bottom plate, two adjusting ropes III are arranged on the lower side of the sliding frame, the upper ends of the two adjusting ropes III are fixedly arranged on the sliding frame, and the lower ends of the two adjusting ropes III vertically extend downwards to penetrate through the lifting platform bottom plate and then are guided by the three eighth guide wheels to be vertically and downwards close together; a tenth guide wheel and an eleventh guide wheel are fixedly arranged on the lower side of the bottom plate of the hanging table, and two strands of adjusting ropes III which extend downwards and are close together are fixedly connected together by one strand of adjusting rope IV; the fourth adjusting rope is fixedly connected with the first stay cord after passing through the tenth guide wheel and the eleventh guide wheel; the lower side of the bottom plate of the hanging table is slidably provided with a pressing wheel through a supporting plate, a spring is arranged between the pressing wheel and the supporting plate, and the spring is a compression spring and has pre-pressure; the lower side of the bottom plate of the hanging table is coaxially and rotatably provided with a twelfth guide wheel and a third worm wheel through a supporting plate, and the fourth adjusting rope passes through the twelfth guide wheel, and the pressing wheel and the twelfth guide wheel are vertically distributed up and down; the third adjusting rod is rotatably arranged on the bottom plate of the hanging table, the lower end of the third adjusting rod is provided with a worm, and the worm is meshed with the third worm wheel.
9. The overhead crane for power construction according to claim 7, wherein: three eighth guide wheels are fixedly arranged on the lower side of the lifting platform bottom plate, two adjusting ropes III are arranged on the lower side of the sliding frame, the upper ends of the two adjusting ropes III are fixedly arranged on the sliding frame, and the lower ends of the two adjusting ropes III vertically extend downwards to penetrate through the lifting platform bottom plate and then are guided by the three eighth guide wheels to be vertically and downwards close together; a tenth guide wheel and an eleventh guide wheel are fixedly arranged on the lower side of the bottom plate of the hanging table, and two strands of adjusting ropes III which extend downwards and are close together are fixedly connected together by one strand of adjusting rope IV; the fourth adjusting rope is fixedly connected with the first stay cord after passing through the tenth guide wheel and the eleventh guide wheel; the lower side of the bottom plate of the hanging platform is coaxially and rotatably provided with a twelfth guide wheel and a fourth worm wheel through a supporting plate, the fourth adjusting rope passes through the twelfth guide wheel, and the lower side of the bottom plate of the hanging platform is slidably provided with a third winding wheel through the supporting plate; the adjusting rope is wound through a third winding wheel; the fourth adjusting rod is rotatably arranged on the bottom plate of the hanging platform, the lower end of the fourth adjusting rod is provided with a worm, and the worm is meshed with the fourth worm wheel.
10. A hoisting platform for electric power construction according to claim 8 or 9, characterized in that: two sixth guide wheels and two fifth guide wheels are symmetrically arranged at the bottom of the hanging table in a rotating mode, one ends of two second stay ropes are combined and then fixedly connected with the adjusting rope, and the other ends of the two stay ropes are fixedly connected with the first stay rope after being guided by the two fifth guide wheels and the two sixth guide wheels to extend to two sides and then close to the middle, and the two stay ropes are combined together and fixedly connected with the first stay rope.
CN202311005354.0A 2023-08-10 2023-08-10 Hanging table for electric power construction Active CN116730260B (en)

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CN207158729U (en) * 2017-06-12 2018-03-30 沈阳吉地安风电科技有限公司 Fan blade hollow inspection platform intelligent balance lifting-point device
CN110921582A (en) * 2019-11-29 2020-03-27 国网山东省电力公司枣庄供电公司 High-altitude hanging platform for power distribution maintenance
CN218290217U (en) * 2022-07-29 2023-01-13 中建八局西南建设工程有限公司 Hoisting device for electromechanical installation
CN115676612A (en) * 2022-11-04 2023-02-03 中海油能源发展装备技术有限公司 Method capable of realizing offshore replacement of inner tower type FPSO single-point electric slip ring
CN115709938A (en) * 2022-11-09 2023-02-24 国网湖北省电力有限公司孝感供电公司 Electric power construction equipment
CN115784012A (en) * 2022-12-07 2023-03-14 中国人民解放军63723部队 Method for stably hoisting whole tower crane through asymmetric fixed-distance double-hook tower crane
CN116253231A (en) * 2023-04-12 2023-06-13 中国核工业二三建设有限公司 Hoisting mechanism and use method

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101759101A (en) * 2008-12-24 2010-06-30 上海市基础工程公司 Asymmetrical structure air posture adjusting method
CN202643088U (en) * 2012-06-28 2013-01-02 福建省华海船业有限公司 Hanging device of ship host machine
CN105060146A (en) * 2015-07-23 2015-11-18 南通华新建工集团有限公司 Tower crane hoisting method out of tower crane operation radius
CN105692470A (en) * 2016-03-30 2016-06-22 陈皇利 Internal climbing tower crane and operating method thereof
CN207158729U (en) * 2017-06-12 2018-03-30 沈阳吉地安风电科技有限公司 Fan blade hollow inspection platform intelligent balance lifting-point device
CN110921582A (en) * 2019-11-29 2020-03-27 国网山东省电力公司枣庄供电公司 High-altitude hanging platform for power distribution maintenance
CN218290217U (en) * 2022-07-29 2023-01-13 中建八局西南建设工程有限公司 Hoisting device for electromechanical installation
CN115676612A (en) * 2022-11-04 2023-02-03 中海油能源发展装备技术有限公司 Method capable of realizing offshore replacement of inner tower type FPSO single-point electric slip ring
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CN115784012A (en) * 2022-12-07 2023-03-14 中国人民解放军63723部队 Method for stably hoisting whole tower crane through asymmetric fixed-distance double-hook tower crane
CN116253231A (en) * 2023-04-12 2023-06-13 中国核工业二三建设有限公司 Hoisting mechanism and use method

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