Distribution line grounding steel chisel pulling device

Abstract

The utility model discloses a distribution line grounding steel chisel pulling device which comprises a bottom plate, a pulling opening is formed in the center of the bottom of the bottom plate, the top of the bottom plate is movably connected with a rack, the top of the rack is fixedly connected with a hydraulic cylinder, and the telescopic end of the hydraulic cylinder penetrates through the rack, extends to the inner side of the rack and is fixedly connected with a mounting plate. The bottom plate, the pulling opening, the rack, the hydraulic cylinder, the mounting plate, the movable groove, the sliding rod, the sliding block, the clamping block, a fixing mechanism, a vertical plate, a connecting hole, a connecting column, a bayonet, a threaded plate, a stud and a handle are matched with one another, so that the effect of facilitating splitting is achieved, transportation is very convenient, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar extraction devices, in particular to a steel bar extraction device for grounding a power distribution line. Background Art

[0002] During the inspection or construction of power distribution lines, power outages often use grounding wires as a technical protection measure for workers. When in use, one end of the grounding wire is connected to the power-off conductor, and the other end is inserted into the ground below 0.6 meters through a grounding steel bar to meet the specified requirements. The grounding steel bar needs to be pulled out after the operation is completed. During the inspection and maintenance process, it is often encountered that the grounding steel bar is inserted into the ground with hard geology, or when inspecting in winter, there is a frozen soil layer on the surface. After the grounding steel bar is inserted, it is very difficult to remove it, and it often cannot be pulled out.

[0003] At present, as disclosed in the patent application number CN202321664080.1, the utility model discloses a distribution line grounding steel bar extraction device, comprising a vertically arranged support arm, a pry bar and a U-shaped caliper that can be clamped on the grounding steel bar, the middle part of the pry bar is pin-connected to the upper end of the support arm, the two ends of the pry bar can rotate freely up and down along the support arm, the U-shaped caliper is arranged at one end of the pry bar, a force arm is laterally arranged on one side of the U-shaped caliper, a first pin shaft is arranged at one end of the force arm away from the U-shaped caliper, the first pin shaft is pin-connected to the pry bar, the open end of the U-shaped caliper is perpendicular to the pry bar, and the U-shaped caliper can be freely flipped up and down along the pry bar, and the other end of the pry bar is rotated downward.

[0004] However, in actual use, the above patent has the following defects: the above device is large in size and not easy to disassemble, which makes it very inconvenient to transport. Therefore, we propose a distribution line grounding steel bar extraction device. Utility Model Content

[0005] The utility model aims to provide a device for extracting a grounding steel bar of a power distribution line to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a distribution line grounding steel bar extraction device, comprising:

[0007] A bottom plate, wherein a extraction port is provided at the bottom center of the bottom plate;

[0008] A rack, wherein the top of the bottom plate is movably connected to the rack;

[0009] A hydraulic cylinder, the top of the frame is fixedly connected with the hydraulic cylinder, the telescopic end of the hydraulic cylinder passes through the frame and extends to the inner side of the frame and is fixedly connected with a mounting plate;

[0010] A movable groove, a movable groove is provided at the bottom of the mounting plate, the left and right sides of the inner wall of the movable groove are fixedly connected by a sliding rod, the surface of the sliding rod is slidably connected with two symmetrically arranged sliders, the sliders are movably connected to the movable groove, the bottom of the slider passes through the movable groove and extends to the outside of the movable groove, the left and right sides of the mounting plate are fixedly connected with electric push rods, the telescopic ends of the electric push rods pass through the movable groove and extend to the inside of the movable groove and are fixedly connected to the sliders;

[0011] A clamping block, wherein the bottom of the sliding block on one side away from the electric push rod is fixedly connected with the clamping block;

[0012] A fixing mechanism, wherein the frame and the base plate are connected via the fixing mechanism.

[0013] Furthermore, the fixing mechanism includes a vertical plate, a connecting hole, a connecting column, a bayonet, a threaded plate, a stud and a handle, and the left and right sides of the bottom of the back of the rack are movably connected with the vertical plate.

[0014] Furthermore, the bottom of the vertical plate is fixedly connected to the top of the base plate, and the front side of the vertical plate is fixedly connected to two connecting columns.

[0015] Furthermore, a connection hole is opened at a position corresponding to the connection column on the front side of the frame, and a front end of the connection column passes through the connection hole and extends to the outside of the connection hole.

[0016] Furthermore, the connecting column and the connecting hole are movably connected, and a bayonet is provided on the front side of the top of the connecting column.

[0017] Furthermore, a threaded plate is fixedly connected to the front side of the frame and above the connecting column, and a stud is connected to the internal thread of the threaded plate. The bottom of the stud passes through the threaded plate and two bayonet holes in sequence and extends to the outside of the bayonet holes.

[0018] Furthermore, the stud is movably connected to the bayonet, and the top of the stud passes through the threaded plate and extends to the outside of the threaded plate and is fixedly connected to a handle.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] The utility model achieves the effect of easy disassembly through the cooperation of the bottom plate, extraction port, frame, hydraulic cylinder, mounting plate, movable groove, slide bar, slider, clamping block, fixing mechanism, vertical plate, connecting hole, connecting column, bayonet, threaded plate, stud and handle, which makes it very convenient to transport and greatly improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the frame of the utility model;

[0023] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram;

[0024] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above;

[0025] Figure 5 It is a structural schematic diagram of the bottom plate of the utility model.

[0026] In the figure: 1, bottom plate; 2, extraction port; 3, frame; 4, hydraulic cylinder; 5, mounting plate; 6, movable groove; 7, slide bar; 8, slide block; 9, clamping block; 10, fixing mechanism; 101, vertical plate; 102, connecting hole; 103, connecting column; 104, bayonet; 105, threaded plate; 106, stud; 107, handle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] See also Figure 1-5 A distribution line grounding steel bar extraction device comprises a base plate 1, a extraction port 2 is provided at the bottom center of the base plate 1, the top of the base plate 1 is movably connected to a frame 3, the top of the frame 3 is fixedly connected to a hydraulic cylinder 4, the telescopic end of the hydraulic cylinder 4 penetrates the frame 3 and extends to the inner side of the frame 3 and is fixedly connected to a mounting plate 5, a movable groove 6 is provided at the bottom of the mounting plate 5, the left and right sides of the inner wall of the movable groove 6 are fixedly connected by a slide rod 7, and two symmetrically arranged slide blocks 8 are slidably connected to the surface of the slide rod 7, the slide block 8 is movably connected to the movable groove 6, the bottom of the slide block 8 penetrates the movable groove 6 and extends to the outside of the movable groove 6, the left and right sides of the mounting plate 5 are fixedly connected to electric push rods, the telescopic end of the electric push rod penetrates the movable groove 6 and extends to the inside of the movable groove 6 and is fixedly connected to the slide block 8, the bottom of the slide block 8 away from the electric push rod is fixedly connected to a clamping block 9, and the frame 3 and the base plate 1 are connected by a fixing mechanism 10.

[0031] Specifically, the fixing mechanism 10 includes a vertical plate 101 , a connecting hole 102 , a connecting column 103 , a bayonet 104 , a threaded plate 105 , a stud 106 and a handle 107 . The vertical plates 101 are movably connected to both left and right sides of the bottom of the back of the frame 3 .

[0032] During specific implementation, the bottom of the vertical plate 101 is fixedly connected to the top of the base plate 1 , and the front side of the vertical plate 101 is fixedly connected to two connection columns 103 .

[0033] Specifically, a connection hole 102 is opened at a position on the front side of the frame 3 corresponding to the connection column 103 , and a front end of the connection column 103 passes through the connection hole 102 and extends to the outside of the connection hole 102 .

[0034] During specific implementation, the connection post 103 is movably connected to the connection hole 102 , and a bayonet 104 is provided on the front side of the top of the connection post 103 .

[0035] Specifically, a threaded plate 105 is fixedly connected to the front side of the frame 3 and located above the connecting column 103 , and a stud 106 is connected to the internal thread of the threaded plate 105 . The bottom of the stud 106 passes through the threaded plate 105 and the two bayonet sockets 104 in sequence and extends to the outside of the bayonet sockets 104 .

[0036] During specific implementation, the stud 106 is movably connected to the bayonet 104 , and the top of the stud 106 passes through the threaded plate 105 and extends to the outside of the threaded plate 105 and is fixedly connected to the handle 107 .

[0037] In actual application: when extracting the steel bar, place the device in a suitable position, and make the steel bar to be extracted pass through the extraction port 2, then drive the mounting plate 5 downward to a suitable position through the hydraulic cylinder 4, then drive the slider 8 and the clamping block 9 to move to the side close to the steel bar through the electric push rod, and then clamp the steel bar through the two clamping blocks 9, then drive the mounting plate 5 upward through the hydraulic cylinder 4, and then extract the steel bar. When it is necessary to disassemble the device, just turn the handle 107 counterclockwise to drive the stud 106 to rotate, so that the stud 106 moves upward in the threaded plate 105, so that the stud 106 is disengaged from the bayonet 104, and then pull the frame 3 to the front side, so that the connecting column 103 is disengaged from the connecting hole 102, so that the frame 3 can be removed, so that the device can be disassembled into two parts, which is convenient for transportation.

[0038] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0039] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grounding steel bar extraction device for a power distribution line, characterized in that: include: A bottom plate (1), wherein a drawing port (2) is provided at the center of the bottom of the bottom plate (1); A frame (3), the top of the base plate (1) is movably connected to the frame (3); A hydraulic cylinder (4), the top of the frame (3) is fixedly connected to the hydraulic cylinder (4), the telescopic end of the hydraulic cylinder (4) passes through the frame (3) and extends to the inner side of the frame (3) and is fixedly connected to a mounting plate (5); A movable groove (6), the bottom of the mounting plate (5) is provided with a movable groove (6), the left and right sides of the inner wall of the movable groove (6) are fixedly connected by a sliding rod (7), the surface of the sliding rod (7) is slidably connected with two symmetrically arranged sliding blocks (8), the sliding blocks (8) are movably connected to the movable groove (6), the bottom of the sliding block (8) passes through the movable groove (6) and extends to the outside of the movable groove (6), the left and right sides of the mounting plate (5) are fixedly connected with electric push rods, the telescopic end of the electric push rod passes through the movable groove (6) and extends to the inside of the movable groove (6) and is fixedly connected to the sliding block (8); A clamping block (9), wherein the bottom of the sliding block (8) on one side away from the electric push rod is fixedly connected with the clamping block (9); A fixing mechanism (10), wherein the frame (3) and the bottom plate (1) are connected via the fixing mechanism (10).

2. A distribution line grounding steel bar extraction device according to claim 1, characterized in that: The fixing mechanism (10) comprises a vertical plate (101), a connecting hole (102), a connecting column (103), a bayonet (104), a threaded plate (105), a stud (106) and a handle (107); the vertical plates (101) are movably connected to the left and right sides of the bottom of the back of the frame (3).

3. A distribution line grounding steel bar extraction device according to claim 2, characterized in that: The bottom of the vertical plate (101) is fixedly connected to the top of the base plate (1), and the front side of the vertical plate (101) is fixedly connected to two connecting columns (103).

4. A distribution line grounding steel bar extraction device according to claim 3, characterized in that: A connection hole (102) is provided at a position on the front side of the frame (3) corresponding to the connection column (103), and a front end of the connection column (103) passes through the connection hole (102) and extends to the outside of the connection hole (102).

5. A distribution line grounding steel bar extraction device according to claim 4, characterized in that: The connecting column (103) is movably connected to the connecting hole (102), and a bayonet (104) is provided on the front side of the top of the connecting column (103).

6. A distribution line grounding steel bar extraction device according to claim 5, characterized in that: A threaded plate (105) is fixedly connected to the front side of the frame (3) and located above the connecting column (103); a stud (106) is connected to the inner thread of the threaded plate (105); the bottom of the stud (106) passes through the threaded plate (105) and the two bayonet holes (104) in sequence and extends to the outside of the bayonet holes (104).

7. A distribution line grounding steel bar extraction device according to claim 6, characterized in that: The stud (106) is movably connected to the bayonet (104); the top of the stud (106) passes through the threaded plate (105) and extends to the outside of the threaded plate (105) and is fixedly connected to a handle (107).

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