CN112249964A - Lifting crossing frame for power transmission line construction - Google Patents
Lifting crossing frame for power transmission line construction Download PDFInfo
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- CN112249964A CN112249964A CN202011142099.0A CN202011142099A CN112249964A CN 112249964 A CN112249964 A CN 112249964A CN 202011142099 A CN202011142099 A CN 202011142099A CN 112249964 A CN112249964 A CN 112249964A
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- China
- Prior art keywords
- fixing plate
- lifting mechanism
- lifting
- telescopic
- transmission line
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
- B66F7/085—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated pneumatically operated
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- 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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application discloses transmission line construction is with lift crossing structure includes: the device comprises a first fixing plate, a wire clamp, a telescopic connecting piece, a first lifting mechanism, a second lifting mechanism and a turnover mechanism; the telescopic connecting piece is arranged at the bottom of the first fixing plate; the wire clamp is arranged on the first fixing plate; the first lifting mechanism is vertically arranged on the transport frame and is used for driving the first fixing plate to lift; the second lifting mechanism is hinged to the position under the first fixing plate, and the lifting stroke amount of the second lifting mechanism for driving the first fixing plate is larger than that of the first lifting mechanism for driving the first fixing plate; the turnover mechanism is connected with the second lifting mechanism and used for driving the second lifting mechanism to turn around the hinged position of the second lifting mechanism so that the second lifting mechanism can turn to a vertical state to drive the first fixing plate to lift. The lifting height of the crossing frame can be increased, the operation is flexible and convenient, and the construction progress is improved.
Description
Technical Field
The application relates to the technical field of power transmission line construction, in particular to a lifting crossing frame for power transmission line construction.
Background
In the construction of the power transmission line, various obstacles such as crossing roads, railways, communication and broadcasting lines, power lines and the like are often encountered, and in order to prevent the lead from being damaged and not influence the safe operation of the crossed objects, crossing frames are erected at the crossed crossing positions before paying off so that the lead can safely and smoothly pass through.
Present transmission line is crossing structure for construction is at the lower surface four corners installation lifter of support body to for the ease of removing, set up the universal wheel at the base or set up it on the transport vechicle, nevertheless receive the restriction of road limit for height and prior art restriction, the liftable of crossing structure is highly limited, to higher transmission line, still in order to build bamboo-wood frame as leading, wastes time and energy, influences the construction progress of project.
Disclosure of Invention
In view of this, the purpose of this application is to provide a transmission line construction is with lift crossing structure, can promote the lift height of crossing structure, and the flexible operation is convenient, improves the construction progress.
In order to achieve the above technical objective, the present application provides a lifting crossing structure for power transmission line construction, including: the device comprises a first fixing plate, a wire clamp, a telescopic connecting piece, a first lifting mechanism, a second lifting mechanism and a turnover mechanism;
the telescopic connecting piece is arranged at the bottom of the first fixing plate;
the wire clamp is arranged on the first fixing plate;
the first lifting mechanism is vertically arranged on the transport frame and is used for driving the first fixing plate to lift;
the second lifting mechanism is hinged to the position under the first fixing plate, and the lifting stroke amount of the second lifting mechanism for driving the first fixing plate is larger than that of the first lifting mechanism for driving the first fixing plate;
the turnover mechanism is connected with the second lifting mechanism and used for driving the second lifting mechanism to turn around the hinged part of the second lifting mechanism, so that the second lifting mechanism can turn over to a vertical state to drive the first fixing plate to lift.
Further, the first lifting mechanism comprises at least two first telescopic ejectors;
two first flexible ejector for the vertical center axis symmetric distribution of first fixed plate, two the stiff end and the transportation frame of first flexible ejector are connected, flexible rod end with the bottom separable connection of first fixed plate.
Further, the second lifting mechanism comprises a second telescopic ejector;
the fixed end of the second telescopic ejector is hinged to the transport frame, and the telescopic rod end is movably connected with the bottom of the first fixing plate in a contact mode.
Further, a sleeve is arranged at the bottom of the first fixing plate;
a connecting rod is fixed at the telescopic rod end of the second telescopic ejector;
and when the second telescopic ejector is in a vertical state, the connecting rod movably extends into the sleeve and is contacted and abutted with the bottom of the first fixing plate.
Furthermore, a plurality of mounting holes distributed around the circumference of the connecting rod are formed in the peripheral wall of the rod section extending into the sleeve of the connecting rod;
the bottom of the mounting hole is provided with a connecting spring;
one end of the connecting spring is connected with a conical block;
and the inner peripheral wall of the sleeve is provided with an inner concave hole for the conical block to be movably embedded in.
Further, the telescopic connecting piece is specifically a scissor bracket;
the scissor bracket is arranged on one side of the second lifting mechanism, the bottom end of the scissor bracket is connected with the transport vehicle frame, and the top end of the scissor bracket is connected with the bottom of the first fixing plate.
Further, the turnover mechanism comprises a third telescopic ejector;
the third telescopic ejector is arranged on one side of the second telescopic ejector, the fixed end of the third telescopic ejector is hinged to the transportation frame, and the end of the telescopic rod is hinged to the second telescopic ejector.
Further, the lifting device also comprises a second fixing plate and a third lifting mechanism;
the second fixing plate is arranged above the first fixing plate, and a plurality of guide rods which movably penetrate through the first fixing plate are arranged at the bottom of the second fixing plate;
the third lifting mechanism is arranged between the first fixing plate and the second fixing plate and used for driving the second fixing plate to lift;
the wire clamp is mounted on the second fixing plate.
Further, the third lifting mechanism comprises a fourth telescopic ejector;
the stiff end of the fourth flexible ejector with first fixed plate top is connected, flexible rod end with second fixed plate bottom is connected.
Further, the device also comprises a plurality of screw rod assemblies;
the screw rod assembly comprises a sliding block, a screw rod and a rotating handle;
a plurality of sliding grooves which correspond to the screw rods one to one are formed in the second fixing plate;
the screw rod is pivoted in the sliding chute, and one end of the screw rod movably extends out of the second fixing plate and is connected with the rotating handle;
the sliding block is sleeved on the screw rod in a threaded manner and is in sliding fit with the sliding groove.
According to the technical scheme, the first fixing plate is driven to lift by the first lifting mechanism and the second lifting mechanism which are different in lifting stroke amount, so that multi-stage lifting control is realized, and lifting height control can be improved; meanwhile, the turnover mechanism realizes turnover control of the second lifting mechanism, and can store the second lifting mechanism when the second lifting mechanism is not used, so that influence on the use of the first lifting mechanism is avoided. The operation is flexible and convenient, and the construction progress is favorably improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic overall structure diagram of a lifting crossing frame for power transmission line construction provided in the present application;
fig. 2 is a schematic structural diagram of a second fixing plate of the lifting crossing frame for power transmission line construction provided in the present application;
fig. 3 is an installation schematic diagram of a sleeve and a connecting rod of a lifting crossing frame for power transmission line construction provided in the present application;
in the figure: 1. a first fixing plate; 2. a second fixing plate; 3. a first telescopic ejector; 4. a transportation frame; 5. a second telescopic ejector; 6. a connecting rod; 7. a scissor bracket; 8. a guide bar; 9. a sleeve; 10. a fourth telescopic ejector; 11. a slider; 12. a screw rod; 13. a chute; 14. an inner concave hole; 15. a conical block; 16. and a third telescopic ejector.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses transmission line construction is with lift crossing structure.
Referring to fig. 1, an embodiment of a lifting crossing frame for power transmission line construction provided in an embodiment of the present application includes:
the device comprises a first fixing plate 1, a lead clamp (not shown), a telescopic connecting piece, a first lifting mechanism, a second lifting mechanism and a turnover mechanism; the telescopic connecting piece is arranged at the bottom of the first fixing plate 1; the lead clamp is arranged on the first fixing plate 1; the first lifting mechanism is vertically arranged on the transport vehicle frame 4 and is used for driving the first fixing plate 1 to lift; the second lifting mechanism is hinged to the position under the first fixing plate 1, and the lifting stroke amount of the second lifting mechanism for driving the first fixing plate 1 is larger than that of the first lifting mechanism for driving the first fixing plate 1; the turnover mechanism is connected with the second lifting mechanism and used for driving the second lifting mechanism to turn around the hinged position of the second lifting mechanism, so that the second lifting mechanism can turn over to a vertical state to drive the first fixing plate 1 to lift.
Particularly, the lifting crossing frame provided by the application can be directly installed on a transport vehicle, and is convenient to move and use. The wire clamp is a clamp commonly used for the existing lifting crossing frame, and is not described in detail. The effect of telescopic connection spare is the horizontal direction of restriction first fixed plate 1 and removes, guarantees not influencing the elevating movement of first fixed plate 1 simultaneously. Therefore, the first lifting mechanism and the second lifting mechanism can be switched smoothly in time. The second lifting mechanism is used for driving the lifting stroke amount of the first fixing plate 1 to be larger than the lifting stroke amount of the first lifting mechanism for driving the first fixing plate 1, so that when the lifting stroke amount of the first lifting mechanism cannot meet requirements, the lifting height of the first fixing plate 1 can be further improved through the second lifting mechanism, and the applicability is improved. And articulate the installation with second elevating system to control through tilting mechanism, can control second elevating system upset to vertical state through tilting mechanism when needs use second elevating system, rethread second elevating system drives first fixed plate 1 and further promotes the rise. When not in use, the lifting mechanism can be turned to a horizontal state, and the influence on the use of the first lifting mechanism is avoided. The whole operation is flexible and convenient, and the construction progress is improved.
The above is a first embodiment of the lifting crossing frame for power transmission line construction provided in the present application, and the following is a second embodiment of the lifting crossing frame for power transmission line construction provided in the present application, specifically please refer to fig. 1 to 3.
A lifting crossing frame for power transmission line construction comprises: the device comprises a first fixing plate 1, a wire clamp, a telescopic connecting piece, a first lifting mechanism, a second lifting mechanism and a turnover mechanism; the telescopic connecting piece is arranged at the bottom of the first fixing plate 1; the lead clamp is arranged on the first fixing plate 1; the first lifting mechanism is vertically arranged on the transport vehicle frame 4 and is used for driving the first fixing plate 1 to lift; the second lifting mechanism is hinged to the position under the first fixing plate 1, and the lifting stroke amount of the second lifting mechanism for driving the first fixing plate 1 is larger than that of the first lifting mechanism for driving the first fixing plate 1; the turnover mechanism is connected with the second lifting mechanism and used for driving the second lifting mechanism to turn around the hinged position of the second lifting mechanism, so that the second lifting mechanism can turn over to a vertical state to drive the first fixing plate 1 to lift.
Further, the first lifting mechanism comprises at least two first telescopic ejectors 3; two first flexible ejectors 3 are distributed symmetrically relative to the vertical central axis of the first fixing plate 1, the fixed ends of the two first flexible ejectors 3 are connected with the transportation vehicle frame 4, and the ends of the flexible rods are detachably connected with the bottom of the first fixing plate 1. In this embodiment, a rod sleeve (not shown) for movably extending the end of the telescopic rod of the first telescopic ejector 3 may be disposed at the bottom of the first fixing plate 1, and those skilled in the art may make appropriate changes based on this, and are not limited in particular. The first telescopic ejector 3 may be a telescopic cylinder or a hydraulic cylinder, wherein a corresponding air pump or hydraulic pump for supplying a power source may be mounted on the transportation frame 4, which is not limited in particular.
Further, the second lifting mechanism comprises a second telescopic ejector 5; the fixed end of the second telescopic ejector 5 is hinged with the transport vehicle frame 4, and the end of the telescopic rod is movably connected with the bottom of the first fixing plate 1 in a contact manner. Similarly, the second telescopic ejector 5 may also be a telescopic cylinder or a hydraulic cylinder, and a corresponding air pump or hydraulic pump for supplying power may be installed on the transportation frame 4, which is not limited specifically. The fixed end of the second telescopic jacking device can be hinged with the transportation frame 4 just opposite to the center of the first fixing plate 1, and the specific installation position can be selected according to actual needs without limitation.
Further, the bottom of the first fixing plate 1 is provided with a sleeve 9; a connecting rod 6 is fixed at the telescopic rod end of the second telescopic ejector 5; when the second telescopic ejector 5 is in a vertical state, the connecting rod 6 movably extends into the sleeve 9 and is contacted and abutted with the bottom of the first fixing plate 1. Through setting up sleeve 9 and connecting rod 6, can be so that the cooperation between the flexible rod end of the flexible ejector 5 of second and first fixed plate 1 is better, and the first fixed plate 1 of jacking is more steady.
Furthermore, a plurality of mounting holes distributed around the circumference of the connecting rod 6 are formed in the outer peripheral wall of the rod section of the connecting rod 6 extending into the sleeve 9; the bottom of the mounting hole is provided with a connecting spring; one end of the connecting spring is connected with a conical block 15; the inner peripheral wall of the sleeve 9 is provided with an inner concave hole 14 for movably embedding a conical block 15. The conical block 15 with a conical structure facilitates the insertion and extraction of the connecting rod 6, wherein the inner bottom surface of the concave hole 14 can be an inclined surface matched with the conical block 15 as shown in fig. 3, thereby further improving the convenience of the extraction of the connecting rod 6.
Further, the telescopic connecting piece is specifically a scissor bracket 7; the scissor bracket 7 is arranged on one side of the second lifting mechanism, the bottom end of the scissor bracket 7 is connected with the transport vehicle frame 4, and the top end of the scissor bracket 7 is connected with the bottom of the first fixing plate 1. The telescopic rod connecting piece can also be composed of a plurality of telescopic rods, two ends of each telescopic rod are respectively connected with the first fixing plate 1 to transport the vehicle frame 4, and the technical personnel in the field can make appropriate changes on the basis of the change, and are not limited specifically.
Further, the turnover mechanism comprises a third telescopic ejector 16; the third telescopic ejector 16 is arranged on one side of the second telescopic ejector 5, the fixed end of the third telescopic ejector 16 is hinged with the transportation frame 4, and the end of the telescopic rod is hinged with the second telescopic ejector 5. Similarly, the third telescopic ejector 16 may also be a telescopic cylinder or a hydraulic cylinder, wherein a corresponding air pump or hydraulic pump for supplying power may be installed on the transportation frame 4, and is not limited specifically. Of course, the turnover mechanism in this application may also be a rotating electrical machine, wherein the rotating electrical machine may be connected with the hinged position of the second telescopic ejector 5 through a connecting shaft to drive the second telescopic ejector 5 to turn over.
Further, the lifting device also comprises a second fixing plate 2 and a third lifting mechanism; the second fixing plate 2 is arranged above the first fixing plate 1, and a plurality of guide rods 8 which movably penetrate through the first fixing plate 1 are arranged at the bottom of the second fixing plate 2; the third lifting mechanism is arranged between the first fixing plate 1 and the second fixing plate 2 and used for driving the second fixing plate 2 to lift; the wire clamp is mounted on the second fixing plate 2. The guide arm 8 that sets up helps improving the installation steadiness of second fixed plate 2, when avoiding the motion of third elevating system for second fixed plate 2 takes place to rock. And moreover, multi-level height adjustment can be further realized through the third lifting mechanism, and the use is more flexible. Wherein the third lifting mechanism comprises a fourth telescopic ejector 10; the fixed end of the fourth telescopic ejector 10 is connected with the top of the first fixing plate 1, and the end of the telescopic rod is connected with the bottom of the second fixing plate 2. Similarly, the fourth telescopic ejector 10 may also be a telescopic cylinder or a hydraulic cylinder, wherein a corresponding air pump or hydraulic pump for supplying power may be installed on the transportation frame 4, and is not limited specifically.
Further, the device also comprises a plurality of screw rod 12 assemblies; the screw rod 12 assembly comprises a slide block 11, a screw rod 12 and a rotating handle; a plurality of sliding grooves 13 which are in one-to-one correspondence with the screw rods 12 are formed in the second fixing plate 2; the screw rod 12 is pivoted in the sliding chute 13, and one end of the screw rod movably extends out of the second fixing plate 2 and is connected with a rotating handle; the sliding block 11 is sleeved on the screw rod 12 in a threaded manner and is in sliding fit with the sliding groove 13. Through rotating the turning handle, the screw rod 12 can be rotated, and then the sliding block 11 is controlled to slide back and forth in the sliding groove 13, so that the distance between the wire clamps on the adjacent sliding blocks 11 is adjusted, and the distance between the adjacent wires is within a safety range.
According to the technical scheme, the first fixing plate 1 is driven to lift by the first lifting mechanism and the second lifting mechanism which are provided with different lifting stroke amounts, so that multi-stage lifting control is realized, and lifting height control can be improved; meanwhile, the turnover mechanism realizes turnover control of the second lifting mechanism, and can store the second lifting mechanism when the second lifting mechanism is not used, so that influence on the use of the first lifting mechanism is avoided. The operation is flexible and convenient, and the construction progress is favorably improved.
The above detailed description is provided for the lifting crossing structure for power transmission line construction, and for a person of ordinary skill in the art, according to the idea of the embodiment of the present application, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a transmission line construction is with lift crossing structure which characterized in that includes: the device comprises a first fixing plate, a wire clamp, a telescopic connecting piece, a first lifting mechanism, a second lifting mechanism and a turnover mechanism;
the telescopic connecting piece is arranged at the bottom of the first fixing plate;
the wire clamp is arranged on the first fixing plate;
the first lifting mechanism is vertically arranged on the transport frame and is used for driving the first fixing plate to lift;
the second lifting mechanism is hinged to the position under the first fixing plate, and the lifting stroke amount of the second lifting mechanism for driving the first fixing plate is larger than that of the first lifting mechanism for driving the first fixing plate;
the turnover mechanism is connected with the second lifting mechanism and used for driving the second lifting mechanism to turn around the hinged part of the second lifting mechanism, so that the second lifting mechanism can turn over to a vertical state to drive the first fixing plate to lift.
2. The lifting crossing structure for power transmission line construction according to claim 1, wherein the first lifting mechanism comprises at least two first telescopic lifters;
two first flexible ejector for the vertical center axis symmetric distribution of first fixed plate, two the stiff end and the transportation frame of first flexible ejector are connected, flexible rod end with the bottom separable connection of first fixed plate.
3. The lifting crossing structure for power transmission line construction according to claim 1, wherein the second lifting mechanism comprises a second telescopic ejector;
the fixed end of the second telescopic ejector is hinged to the transport frame, and the telescopic rod end is movably connected with the bottom of the first fixing plate in a contact mode.
4. The lifting crossing structure for power transmission line construction according to claim 3, wherein a sleeve is arranged at the bottom of the first fixing plate;
a connecting rod is fixed at the telescopic rod end of the second telescopic ejector;
and when the second telescopic ejector is in a vertical state, the connecting rod movably extends into the sleeve and is contacted and abutted with the bottom of the first fixing plate.
5. The lifting crossing structure for power transmission line construction according to claim 4, wherein a plurality of mounting holes distributed around the circumference of the connecting rod are formed in the outer peripheral wall of the rod section extending into the sleeve;
the bottom of the mounting hole is provided with a connecting spring;
one end of the connecting spring is connected with a conical block;
and the inner peripheral wall of the sleeve is provided with an inner concave hole for the conical block to be movably embedded in.
6. The lifting crossing structure for power transmission line construction according to claim 1, wherein the telescopic connecting piece is a scissor bracket;
the scissor bracket is arranged on one side of the second lifting mechanism, the bottom end of the scissor bracket is connected with the transport vehicle frame, and the top end of the scissor bracket is connected with the bottom of the first fixing plate.
7. The lifting crossing structure for power transmission line construction according to claim 3, wherein the turnover mechanism comprises a third telescopic ejector;
the third telescopic ejector is arranged on one side of the second telescopic ejector, the fixed end of the third telescopic ejector is hinged to the transportation frame, and the end of the telescopic rod is hinged to the second telescopic ejector.
8. The lifting crossing frame for power transmission line construction according to claim 1, further comprising a second fixing plate and a third lifting mechanism;
the second fixing plate is arranged above the first fixing plate, and a plurality of guide rods which movably penetrate through the first fixing plate are arranged at the bottom of the second fixing plate;
the third lifting mechanism is arranged between the first fixing plate and the second fixing plate and used for driving the second fixing plate to lift;
the wire clamp is mounted on the second fixing plate.
9. The lifting crossing structure for power transmission line construction according to claim 8, wherein the third lifting mechanism comprises a fourth telescopic ejector;
the stiff end of the fourth flexible ejector with first fixed plate top is connected, flexible rod end with second fixed plate bottom is connected.
10. The lifting crossing frame for power transmission line construction according to claim 8, further comprising a plurality of screw rod assemblies;
the screw rod assembly comprises a sliding block, a screw rod and a rotating handle;
a plurality of sliding grooves which correspond to the screw rods one to one are formed in the second fixing plate;
the screw rod is pivoted in the sliding chute, and one end of the screw rod movably extends out of the second fixing plate and is connected with the rotating handle;
the sliding block is sleeved on the screw rod in a threaded manner and is in sliding fit with the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142099.0A CN112249964B (en) | 2020-10-21 | 2020-10-21 | Lifting crossing frame for power transmission line construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142099.0A CN112249964B (en) | 2020-10-21 | 2020-10-21 | Lifting crossing frame for power transmission line construction |
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| Publication Number | Publication Date |
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| CN112249964A true CN112249964A (en) | 2021-01-22 |
| CN112249964B CN112249964B (en) | 2022-03-29 |
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| CN202011142099.0A Active CN112249964B (en) | 2020-10-21 | 2020-10-21 | Lifting crossing frame for power transmission line construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960592A (en) * | 2021-01-26 | 2021-06-15 | 杨金根 | Adjustable jacking template for building and implementation method thereof |
| CN115663685A (en) * | 2022-10-09 | 2023-01-31 | 武汉长源电力工程有限责任公司 | Power transmission line crossing construction device and construction process thereof |
| CN116093817A (en) * | 2023-01-31 | 2023-05-09 | 青海送变电工程有限公司 | Lead screw jacking type crossing frame |
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| CN106655009A (en) * | 2017-02-22 | 2017-05-10 | 四川省明远电力集团有限公司 | Hydraulic lifting type crossing structure |
| CN107697846A (en) * | 2017-11-07 | 2018-02-16 | 成都富中成科技有限公司 | A kind of intelligent elevated platform for aiding in unloading |
| CN108178088A (en) * | 2017-12-14 | 2018-06-19 | 詹柱友 | A kind of building hoist |
| CN208637926U (en) * | 2018-08-06 | 2019-03-22 | 国网山东省电力公司惠民县供电公司 | A kind of transmission line construction lifting crossing frame |
| CN209583562U (en) * | 2019-03-12 | 2019-11-05 | 国网甘肃省电力公司白银供电公司 | A kind of power equipment maintaining equipment |
| CN209860479U (en) * | 2019-06-18 | 2019-12-27 | 姜存喜 | Crossing structure for line construction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960592A (en) * | 2021-01-26 | 2021-06-15 | 杨金根 | Adjustable jacking template for building and implementation method thereof |
| CN115663685A (en) * | 2022-10-09 | 2023-01-31 | 武汉长源电力工程有限责任公司 | Power transmission line crossing construction device and construction process thereof |
| CN115663685B (en) * | 2022-10-09 | 2024-08-16 | 武汉长源电力工程有限责任公司 | Power transmission line crossing construction device and construction process thereof |
| CN116093817A (en) * | 2023-01-31 | 2023-05-09 | 青海送变电工程有限公司 | Lead screw jacking type crossing frame |
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| CN112249964B (en) | 2022-03-29 |
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