CN112158779A - Power transmission line equipotential operation manned electric lifting mechanism and use method thereof - Google Patents
Power transmission line equipotential operation manned electric lifting mechanism and use method thereof Download PDFInfo
- Publication number
- CN112158779A CN112158779A CN202010924170.4A CN202010924170A CN112158779A CN 112158779 A CN112158779 A CN 112158779A CN 202010924170 A CN202010924170 A CN 202010924170A CN 112158779 A CN112158779 A CN 112158779A
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- Prior art keywords
- transmission line
- power transmission
- hanger
- wheel
- lifting
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Classifications
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- 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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention relates to an equipotential operation manned electric lifting mechanism of a power transmission line and a using method thereof, comprising a suspension mechanism, a moving mechanism driving the suspension mechanism to move and a lifting mechanism arranged below the suspension mechanism; the suspension mechanism comprises an upper hanger and a lower hanger, a groove matched with the power transmission line is formed in the bottom surface of the upper hanger, a through hole is formed in the upper hanger, and a connecting rope connected with the lower hanger is arranged in the through hole; the moving mechanism comprises a walking wheel and a walking wheel motor which are arranged on the power transmission line, the walking wheel is oppositely arranged at two ends of the suspension mechanism along the direction of the power transmission line through a connecting rod, and the walking wheel motor is in transmission connection with the walking wheel at one side. The driving travelling wheel moves to move the upper hanging piece on the power transmission line, the lower hanging piece and the hanging wheel move along with the upper hanging piece, the winch carries out lifting operation on the manned lifting platform through the lifting rope, the operating personnel are quickly lifted to the quick operation of the specified power transmission line position, the physical force of the operating personnel is greatly saved, and the operation safety is guaranteed.
Description
Technical Field
The invention belongs to the technical field of electric power overhaul equipment, and particularly relates to a manned electric lifting mechanism for equipotential operation of a power transmission line and a using method thereof.
Background
At present, when the live-line maintenance of the power transmission line is carried out, the operation needs to be carried out by means of an insulating rope ladder, and equipotential operators climb the rope ladder to enter a high-voltage electric field and carry out the operation after being equipotential with the power transmission line. The process of climbing the rope ladder by the operating personnel greatly consumes physical power, and the operation safety after entering an electric field is influenced.
Disclosure of Invention
The invention provides a manned electric lifting mechanism for equipotential operation of a power transmission line and a use method thereof, and aims to solve the problems that physical strength is consumed when the electric lifting mechanism climbs into a high-voltage electric field for operation, and safety is affected.
The invention is realized by the following technical scheme.
An equipotential operation manned electric lifting mechanism of a power transmission line comprises a suspension mechanism, a moving mechanism driving the suspension mechanism to move and a lifting mechanism arranged below the suspension mechanism; the suspension mechanism comprises an upper hanging piece and a lower hanging piece, a groove matched with the power transmission line is formed in the bottom surface of the upper hanging piece, at least one group of through holes symmetrical relative to the groove are formed in the upper hanging piece, and a connecting rope connected with the lower hanging piece is arranged in each through hole; the lifting mechanism comprises a suspension wheel, a lifting platform, a guide wheel and a winch, the suspension wheel is rotatably mounted on the bottom surface of the lower hanging piece, the guide wheel and the winch are mounted on the ground, and a lifting rope which sequentially bypasses the guide wheel and the suspension wheel and extends downwards to be connected with the lifting platform is wound on the winch; the moving mechanism comprises a walking wheel and a walking wheel motor which are arranged on the power transmission line, the walking wheel is arranged at two ends of the suspension mechanism along the direction of the power transmission line through a connecting rod, and the walking wheel motor is in transmission connection with the walking wheel on one side. The walking wheel is driven to move the upper hanging piece on the power transmission line, the lower hanging piece drives the hanging wheel to move along with the connecting rope, the winch carries out lifting operation on the manned lifting platform through the lifting rope, so that the rapid operation that the operating personnel are lifted to the specified power transmission line position rapidly is achieved, the physical force of the operating personnel is greatly saved, and the operation safety is guaranteed.
The invention further improves the structure that a pressing mechanism is arranged between the upper hanging piece and the lower hanging piece, the pressing mechanism comprises a pressing block, a spring is arranged between the pressing block and the upper hanging piece, one end of the connecting rope is connected with the pressing block, and the other end of the connecting rope penetrates through the through hole to be connected with the lower hanging piece. The pressing block is in extrusion contact with the upper hanging piece, the position of the upper hanging piece on the power transmission line is changed, the distance between the upper hanging piece and the pressing block is pulled open through the spring, and smoothness when the upper hanging piece moves is guaranteed.
The spring is fixedly arranged at the bottom of the upper hanging piece, and the spring is in movable contact with the pressing block. The spring sets up on last pendant to compact heap and lower pendant are through connecting the rope articulate on last pendant. The springs are symmetrically arranged on two sides of the groove. The springs symmetrically arranged facilitate quick reset of the pressing blocks.
The invention further improves that the top of the compressing block is provided with a concave-convex surface. The friction force between the pressing block and the upper hanging piece is increased through the concave-convex surface.
The invention is further improved in that the concave-convex surface is in a rack shape which is vertical to the power transmission line on the vertical surface. The rack-shaped concave-convex surface can uniformly form friction force between the power transmission line and the upper hanging piece.
The invention is further improved in that the upper hanging piece is provided with a guide groove which is communicated with the outer part of the upper hanging piece and the through hole, and the guide groove is arc-shaped. The arc-shaped guide groove realizes the hanging connection of the connecting rope and places the connecting rope to slide out of the through hole.
In a further improvement of the present invention, the top of the upper hanging member is upwardly bulged. The top of the bulge increases the structural strength of the top suspension member.
The invention is further improved in that the bottom of the lower hanging piece is in a downward convex shape. The raised bottom increases the structural strength of the lower hanger.
In a further development of the invention, the method comprises the following steps:
s1, during initial installation, placing the upper hanging piece on the power transmission line to enable the power transmission line to be embedded in the groove and to be in contact with the wheel surface of the traveling wheel;
s2, placing the pressing block below the power transmission line and opposite to the upper pendant, and hanging connecting ropes for connecting the pressing block and the lower pendant in the through hole along the guide grooves respectively;
s3, installing a winch near a power transmission line iron tower for erecting a power transmission line, placing a guide wheel and a lifting platform on the ground, and enabling a lifting rope to be in a loose state;
s4, when the power transmission line hanger is used, the traveling wheels are driven to drive the upper hanger and the lower hanger to the position of the designated power transmission line;
s5, moving the guide wheel and the lifting platform to a proper position between the winch and the suspension wheel, and fixing the guide wheel on the ground;
s6, carrying the lifting platform by an operator, and lifting the lifting platform to an operation position by a winch;
and S7, after operation, the lifting platform is put down, then the travelling wheels are driven to drive the upper hanging piece and the lower hanging piece to return to the initial positions, and finally the guide wheels and the lifting platform are moved back to the vicinity of the winch.
According to the technical scheme, the invention has the beneficial effects that: the walking wheel is driven to move the upper hanging piece on the power transmission line, the lower hanging piece drives the hanging wheel to move along with the connecting rope, the winch carries out lifting operation on the manned lifting platform through the lifting rope, so that the rapid operation that the operating personnel are lifted to the specified power transmission line position rapidly is achieved, the physical force of the operating personnel is greatly saved, and the operation safety is guaranteed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial schematic view of a suspension mechanism according to an embodiment of the present invention.
In the drawings: 1. the lifting mechanism comprises a suspension mechanism 11, an upper hanging piece 12, a lower hanging piece 13, a connecting rope 14, a through hole 15, a guide groove 16, a groove 2, a moving mechanism 21, a walking wheel 22, a walking wheel motor 23, a connecting rod 3, a pressing mechanism 31, a pressing block 32, a spring 4, a suspension wheel 5, a lifting platform 6, a guide wheel 7 and a winch.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in the attached drawings, the electric manned lifting mechanism for equipotential operation of the power transmission line comprises a suspension mechanism 1, a moving mechanism 2 driving the suspension mechanism 1 to move and a lifting mechanism arranged below the suspension mechanism 1; the suspension mechanism 1 comprises an upper hanger 11 and a lower hanger 12, a groove 16 matched with the power transmission line is formed in the bottom surface of the upper hanger 11, at least one group of through holes 14 symmetrical relative to the groove 16 are formed in the upper hanger 11, and a connecting rope 13 connected with the lower hanger 12 is arranged in each through hole 14; the lifting mechanism comprises a suspension wheel 4, a lifting platform 5, a guide wheel 6 and a winch 7, the suspension wheel 4 is rotatably mounted on the bottom surface of the lower hanging piece 12, the guide wheel 6 and the winch 7 are mounted on the ground, and a lifting rope which sequentially bypasses the guide wheel 6 and the suspension wheel 4 and extends downwards to be connected with the lifting platform 5 is wound on the winch 7; the moving mechanism 2 comprises a walking wheel 21 and a walking wheel motor 22 which are arranged on the power transmission line, the walking wheel 21 is oppositely arranged at two ends of the suspension mechanism 1 along the direction of the power transmission line through a connecting rod 23, and the walking wheel motor 22 is in transmission connection with the walking wheel 21 on one side. The driven traveling wheel 21 moves to move the upper hanging piece 11 on the power transmission line, the lower hanging piece 12 drives the hanging wheel 4 to move together along with the connecting rope 13, and the winch 7 carries out lifting operation on the manned lifting platform 5 through the lifting rope so as to achieve quick operation of quickly lifting an operator to a specified power transmission line position, greatly save the physical force of the operator and ensure the operation safety.
And a safety belt is arranged on the lifting platform 5. So as to safely fix the operating personnel in the lifting process.
A pressing mechanism 3 is arranged between the upper hanger 11 and the lower hanger 12, the pressing mechanism 3 comprises a pressing block 31, a spring 32 is arranged between the pressing block 31 and the upper hanger 11, one end of the connecting rope 13 is connected with the pressing block 31, and the other end of the connecting rope passes through the through hole 14 to be connected with the lower hanger 12. The pressing block 31 is in extrusion contact with the upper hanger 11, the upper hanger 11 is placed on the power transmission line, the distance between the upper hanger 11 and the pressing block 31 is pulled through the spring 32, and the smoothness of the upper hanger 11 in moving is guaranteed.
The spring 32 is fixedly arranged at the bottom of the upper hanger 11, and the spring 32 is in movable contact with the pressing block 31. The spring 32 is disposed on the upper hanger 11 so that the pressing block 31 and the lower hanger 12 are hung on the upper hanger 11 through the connecting rope 13.
The springs 32 are symmetrically arranged on both sides of the groove 16. The rapid return of the holding-down piece 31 is facilitated by the symmetrically arranged springs 32.
The top of the pressing block 31 is provided with a concave-convex surface. The friction force between the pressing block 31 and the upper hanger 11 is increased through the concave-convex surface.
The concave-convex surface is in a rack shape which is vertical to the power transmission line on the vertical surface. The rack-shaped concave-convex surface can uniformly form friction force between the power transmission line and the upper hanging piece 11.
The upper hanging piece 11 is provided with a guide groove 15 which is communicated with the outside of the upper hanging piece 11 and the through hole 14, and the guide groove 15 is arc-shaped. The arc-shaped guide groove 15 realizes the hanging of the connecting rope 13 and prevents the connecting rope 13 from sliding out of the through hole 14.
The top of the upper hanger 11 is upwardly bulged. The top of the bulge increases the structural strength of the top suspension member 11.
The bottom of the lower hanging piece 12 is convex downwards. The convex bottom increases the structural strength of the lower hanger 12.
A using method of an equipotential operation manned electric lifting mechanism of a power transmission line comprises the following steps:
s1, during initial installation, placing the upper hanger 11 on the power transmission line to enable the power transmission line to be embedded in the groove 16 and to be in contact with the wheel surface of the travelling wheel 21;
s2, placing the pressing block 31 below the power transmission line and opposite to the upper hanger 11, and hanging the connecting rope 13 connecting the pressing block 31 and the lower hanger 12 in the through hole 14 along the guide groove 15 respectively;
s3, installing a winch 7 near an iron tower of the power transmission line, wherein the iron tower is close to the power transmission line, the guide wheels 6 and the lifting platform 5 are placed on the ground, and the lifting ropes are in a loose state;
s4, when the walking wheel device is used, the walking wheel 21 is driven to drive the upper hanger 11 and the lower hanger 12 to the position of the designated power transmission line;
s5, moving the guide wheel 6 and the lifting platform 5 to a proper position between the winch 7 and the suspension wheel 4, and fixing the guide wheel 6 on the ground;
s6, the worker carries the lifting platform 5 and lifts the lifting platform 5 to the working position by the hoist 7;
and S7, after the operation, the lifting platform 5 is put down, then the travelling wheels 21 are driven to drive the upper hanger 11 and the lower hanger 12 to return to the initial positions, and finally the guide wheels 6 and the lifting platform 5 are moved back to the vicinity of the winch 7.
According to the electric transmission line equipotential operation manned lifting mechanism and the using method thereof, the traveling wheels are driven to move on the electric transmission line to move the upper hanging piece, the lower hanging piece drives the hanging wheels to move along with the connecting rope, and the winch carries out lifting operation on the manned lifting platform through the lifting rope, so that the quick operation of quickly lifting an operator to a specified position of the electric transmission line is achieved, the physical strength of the operator is greatly saved, and the operation safety is ensured.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An equipotential operation manned electric lifting mechanism of a power transmission line is characterized by comprising a suspension mechanism (1), a moving mechanism (2) driving the suspension mechanism (1) to move and a lifting mechanism arranged below the suspension mechanism (1); the suspension mechanism (1) comprises an upper hanger (11) and a lower hanger (12), a groove (16) matched with the power transmission line is formed in the bottom surface of the upper hanger (11), at least one group of through holes (14) symmetrical relative to the groove (16) are formed in the upper hanger (11), and a connecting rope (13) connected with the lower hanger (12) is arranged in each through hole (14); the lifting mechanism comprises a suspension wheel (4), a lifting platform (5), a guide wheel (6) and a winch (7), the suspension wheel (4) is rotatably mounted on the bottom surface of the lower suspension member (12), the guide wheel 6 and the winch 7 are mounted on the ground, and a lifting rope which sequentially bypasses the guide wheel (6) and the suspension wheel (4) and extends downwards to be connected with the lifting platform (5) is wound on the winch (7); the moving mechanism (2) comprises a walking wheel (21) and a walking wheel motor (22) which are arranged on the power transmission line, the walking wheel (21) is arranged at two ends of the suspension mechanism (1) along the direction of the power transmission line through a connecting rod (23) relatively, and the walking wheel motor (22) is in transmission connection with the walking wheel (21) on one side.
2. The equipotential operation manned electric lifting mechanism of power transmission line according to claim 1, wherein a hold-down mechanism (3) is arranged between the upper hanger (11) and the lower hanger (12), the hold-down mechanism (3) comprises a hold-down block (31), a spring (32) is arranged between the hold-down block (31) and the upper hanger (11), one end of the connecting rope (13) is connected with the hold-down block (31), and the other end of the connecting rope passes through the through hole (14) and is connected with the lower hanger (12).
3. The electric transmission line equipotential operation manned electric lifting mechanism of claim 2, wherein the spring (32) is fixedly mounted at the bottom of the upper hanger (11), the spring (32) is in movable contact with the pressing block (31), and the spring (32) is symmetrically arranged at two sides of the groove (16).
4. The electric transmission line equipotential operation manned electric lifting mechanism of claim 2, wherein the top of the compression block (31) is provided with a concave-convex surface.
5. The electric transmission line equipotential operation manned lifting mechanism of claim 4, wherein the concave-convex surface is in a rack shape perpendicular to the electric transmission line on a vertical surface.
6. The equipotential operation manned electric lifting mechanism of power transmission line according to claim 1, wherein a guide groove (15) communicating the outside of the upper hanger (11) with the through hole (14) is formed in the upper hanger (11), and the guide groove (15) is arc-shaped.
7. The electric transmission line equipotential operation manned electric lifting mechanism of claim 1, wherein the top of the upper hanger (11) is upwardly bulged.
8. The electric transmission line equipotential operation manned electric lifting mechanism of claim 1, wherein the bottom of the lower hanging member (12) is convex downward.
9. A use method of a manned electric lifting mechanism for equipotential operation of a power transmission line is characterized by comprising the following steps:
s1, during initial installation, placing the upper hanger (11) on the power transmission line to enable the power transmission line to be embedded in the groove (16) and to be in contact with the wheel surface of the traveling wheel (21);
s2, placing the pressing block (31) below the power transmission line and opposite to the upper hanger (11), and hanging the connecting rope (13) connecting the pressing block (31) and the lower hanger (12) in the through hole (14) along the guide groove (15) respectively;
s3, a winch (7) is installed near a power transmission line iron tower close to the erected power transmission line, a guide wheel (6) and a lifting platform (5) are placed on the ground, and a lifting rope is in a loose state;
s4, when the power transmission line hanger is used, the traveling wheels (21) are driven to drive the upper hanger (11) and the lower hanger (12) to the position of a designated power transmission line;
s5, moving the guide wheel (6) and the lifting platform (5) to a proper position between the winch (7) and the suspension wheel (4), and fixing the guide wheel (6) on the ground;
s6, carrying the lifting platform (5) by an operator, and lifting the lifting platform (5) to an operation position through a winch (7);
s7, after operation, the lifting platform (5) is put down, then the travelling wheels (21) are driven to drive the upper hanging piece (11) and the lower hanging piece (12) to return to the initial positions, and finally the guide wheels (6) and the lifting platform (5) are moved back to the vicinity of the winch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010924170.4A CN112158779B (en) | 2020-09-04 | 2020-09-04 | Power transmission line equipotential operation manned electric lifting mechanism and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010924170.4A CN112158779B (en) | 2020-09-04 | 2020-09-04 | Power transmission line equipotential operation manned electric lifting mechanism and use method thereof |
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| CN112158779A true CN112158779A (en) | 2021-01-01 |
| CN112158779B CN112158779B (en) | 2022-05-24 |
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