Distribution line grounding steel chisel pulling device

Abstract

The utility model discloses a distribution line grounding steel chisel pulling device which comprises a supporting plate, a supporting rod is installed in the middle of the top face of the supporting plate through a screw, the top of the supporting rod is rotationally connected with a rotating plate, and one end of the rotating plate is provided with a closing plate and an extension plate which have the blocking function. The extension plate and the closing plate are connected through a pushing spring, four inserting threaded rods are connected to the four corners of the supporting plate through threads, and inserting columns are slidably connected to the two ends of the top of the supporting plate. The stability of the steel chisel during pulling is guaranteed, the steel chisel is prevented from falling off from the edges of the rotating frame and the adjusting frame during pulling, the distance between the rotating frame and the adjusting frame is adjusted according to the steel chisels with different diameters, the application range of the pulling device is expanded, people do not need to replace different rotating frames and adjusting frames according to the steel chisels with different diameters, and the labor intensity is reduced. And the labor intensity of personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel drill pulling technical field, concretely is a kind of distribution line grounding steel drill pulling device. BACKGROUND

[0002] In the power distribution line maintenance or construction, the grounding wire is often used as technical protection measures for workers during power-off operation. When the grounding wire is used, one end is connected to the power-off conductor, and the other end is inserted into the ground below 0.6 meters. The grounding steel drill is pulled out after the operation is completed. During the maintenance operation, it is often difficult to insert the grounding steel drill into the hard geological ground or to insert the grounding steel drill into the frozen soil layer on the ground surface during the maintenance in winter. It is often difficult to pull out the grounding steel drill.

[0003] In the application file of the distribution line grounding steel drill pulling device with the application number 202321664080.1, the U-shaped calipers are pulled by the pry bar to flip longitudinally. The U-shaped calipers are frictionally connected with the grounding steel drill by the flipping force to form clamping force. The grounding steel drill can be quickly clamped and fixed. The U-shaped calipers can be moved downward along the grounding steel drill to change the stress point. The pry bar can easily apply force to the grounding steel drill to improve the efficiency of pulling out the grounding steel drill. The device has simple structure, convenient clamping and convenient use.

[0004] Although the above application meets the user's use requirements to some extent, there are still some defects in the use process. The specific problems are as follows. During the use of the pulling device, the U-shaped calipers need to be replaced for different diameters of steel drills, which limits the application range of the pulling device and increases the labor intensity of personnel. Therefore, the utility model designs a distribution line grounding steel drill pulling device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a distribution line grounding steel drill pulling device, which can effectively solve the problems in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a distribution line grounding steel drill pulling device, comprising a support plate, a support rod is installed on the top surface of the support plate through screws, a rotating plate is rotatably connected to the top of the support rod, a rotating frame is rotatably connected to one end of the rotating plate, an adjusting frame is slidably connected to one end of the rotating frame, a threaded cylinder is rotatably connected to one end of the adjusting frame, an adjusting threaded rod is connected to the inside of the threaded cylinder through threads, and one end of the adjusting threaded rod is fixedly installed on one end of the rotating frame.

[0007] The rotating frame is provided with a blocking plate and an extension plate at one end, the extension plate is connected with the blocking plate through a pushing spring, four insertion threaded rods are threadedly connected to the four corner positions of the supporting plate, two insertion columns are slidably connected to the two ends of the top of the supporting plate, the two insertion columns at the top are connected through a pressing plate, and extrusion spring extension columns are mounted on the pressing plate through screws.

[0008] Preferably, the one end is hingedly connected with a blocking plate, the blocking plate is slidably connected with an extension plate inside, a pushing spring is welded in the middle of the blocking plate inside, and one end of the pushing spring is welded to one end of the extension plate.

[0009] Preferably, the supporting rod is slidably connected with a rotating shaft at the middle and the end of the rotating plate, the rotating plate and the rotating frame are slidably connected to the outside of the rotating shaft, and a limiting screw rod is threadedly connected to the inside of one end of the rotating shaft.

[0010] Preferably, the rotating frame and the adjusting frame are combined into a U-shaped cross section, so that the rotating frame and the adjusting frame are placed outside the steel drill.

[0011] Preferably, the limiting column is fixedly installed at one end inside the blocking plate, and the limiting column is inside the pushing spring, so as to ensure the stability of the compression of the pushing spring.

[0012] Preferably, the insertion threaded rod is provided with a chamfer at the bottom for insertion of the insertion threaded rod.

[0013] Preferably, the two extrusion spring extension columns are respectively distributed at the two ends of the supporting rod, and the extrusion spring extension columns are at the bottom of the rotating plate.

[0014] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, safe and convenient to use: the stability during the extraction of the steel drill is ensured, the steel drill is prevented from falling from the side of the rotating frame and the adjusting frame during the extraction, the use problem of the extraction device is avoided, the interval between the rotating frame and the adjusting frame is adjusted according to the steel drills of different diameters, the application range of the extraction device is expanded, personnel do not need to replace different rotating frames and adjusting frames according to the steel drills of different diameters, the labor intensity of personnel is reduced, during the extraction process, the rotating plate presses the extrusion spring extension column, the pressing of the pressing plate is realized through the pressing of the extrusion spring extension column, the limiting of the insertion threaded rod is realized, a downward force can be formed on the supporting plate, the supporting of the supporting plate is more stable, the top of the insertion threaded rod can be limited, the problem that the insertion threaded rod is separated from the supporting plate is avoided, and the use of the extraction device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of the adjustment frame of this utility model;

[0019] Figure 3 This is a schematic diagram of the rotating frame installation structure of this utility model;

[0020] Figure 4 This is the utility model Figure 4 Enlarged structural diagram of region A in the middle;

[0021] Figure 5 This is a schematic diagram of the installation structure of the pressing plate of this utility model;

[0022] The following are the labels in the diagram: 1. Support plate; 2. Support rod; 3. Rotating plate; 4. Rotating frame; 5. Adjusting frame; 6. Threaded cylinder; 7. Adjusting threaded rod; 8. Closing plate; 9. Extension plate; 10. Push spring; 11. Limiting post; 12. Inserting threaded rod; 13. Inserting post; 14. Pressing plate; 15. Compression spring extension post. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] Example: Figures 1-5 As shown, this utility model provides a technical solution: a device for removing grounding steel rods in power distribution lines, including a support plate 1. A support rod 2 is installed on the middle of the top surface of the support plate 1 by screws. A rotating plate 3 is rotatably connected to the top of the support rod 2. A rotating shaft is slidably connected to the middle of the support rod 2 and the end of the rotating plate 3. The rotating plate 3 and the rotating frame 4 are slidably connected to the outside of the rotating shaft. A limit screw is threadedly connected to one end of the rotating shaft to facilitate the installation of the rotating plate 3 and the rotating frame 4. A rotating frame 4 is rotatably connected to one end of the rotating plate 3. An adjusting frame 5 is slidably connected to one end of the rotating frame 4. The cross-section of the rotating frame 4 and the adjusting frame 5 after combination is U-shaped, which facilitates the placement of the rotating frame 4 and the adjusting frame 5 on the outside of the steel rod to realize the removal of the steel rod. A threaded cylinder 6 is rotatably connected to one end of the adjusting frame 5. An adjusting threaded rod 7 is threadedly connected to the inside of the threaded cylinder 6. One end of the adjusting threaded rod 7 is fixedly installed to one end of the rotating frame 4.

[0025] The rotating frame 4 is hingedly connected with a closing plate 8, the inside of the closing plate 8 is slidably connected with an extension plate 9, the middle of the inside of the closing plate 8 is welded with a pushing spring 10, one end of the pushing spring 10 is welded with one end of the extension plate 9, the inside of the extension plate 9 is slidably connected with a limiting column 11, one end of the limiting column 11 is fixedly installed in the inside of the closing plate 8, the limiting column 11 is in the inside of the pushing spring 10, which ensures the stability of the movement of the closing plate 8 and avoids the bending problem of the pushing spring 10 when compressed;

[0026] The support plate 1 is threadedly connected with four insertion threaded rods 12 at the positions of four corners, the bottom of the insertion threaded rod 12 is provided with a chamfer, which facilitates the insertion of the insertion threaded rod 12 into the ground, the top of the support plate 1 is slidably connected with two insertion columns 13, the top of the two insertion columns 13 is connected through a pressing plate 14, the middle of the pressing plate 14 is screwedly connected with two extrusion spring extension columns 15, the two extrusion spring extension columns 15 are respectively distributed at the two ends of the support rod 2, and the extrusion spring extension column 15 is at the bottom of the rotating plate 3, which facilitates the pressing of the extrusion spring extension column 15.

[0027] After the personnel move the support plate 1 to the appropriate position, then the personnel insert the insertion threaded rod 12 into the ground, then move the pressing plate 14 to the top of the support plate 1, and move the insertion column 13 into the support plate 1, the personnel rotate the threaded cylinder 6 according to the diameter of the steel drill, since the threaded cylinder 6 and the adjusting threaded rod 7 are threadedly connected, at this time the rotation of the threaded cylinder 6 can make the threaded cylinder 6 move synchronously, thereby driving the adjusting frame 5 to move, so that the distance between the adjusting frame 5 and the rotating frame 4 is suitable for the diameter of the steel drill, then move the rotating frame 4 and the adjusting frame 5 to the outside of the steel drill, at this time the steel drill drives the closing plate 8 to rotate, the steel drill is placed into the rotating frame 4 and the adjusting frame 5, then the pushing spring 10 is stretched, so that the end face of the extension plate 9 is in contact with the end face of the adjusting frame 5, the end of the rotating frame 4 is closed, the steel drill can be limited in the rotating frame 4 and the adjusting frame 5, which ensures the stability of the steel drill during extraction, avoids the steel drill from falling off from the rotating frame 4 and the adjusting frame 5 during extraction, and affects the use of the extraction device, and according to the different diameters of the steel drill, the distance between the rotating frame 4 and the adjusting frame 5 is adjusted, which expands the application range of the extraction device, and personnel do not need to replace different rotating frames 4 and adjusting frames 5 according to different diameters of the steel drill, which reduces the labor intensity of personnel;

[0028] Then the personnel press one side of the rotating plate 3, drive the rotating plate 3 to rotate, thereby driving the rotating frame 4 to rotate, the rotation of the rotating frame 4 drives the adjusting frame 5 to move, so that the adjusting frame 5 is in contact with the outside of the steel drill, and the steel drill is extracted, during the extraction process, at this time the rotating plate 3 presses the extrusion spring extension column 15, the pressing of the extrusion spring extension column 15 realizes the pressing of the pressing plate 14, thereby realizing the limiting of the insertion threaded rod 12, and a downward force can be formed on the support plate 1, so that the support plate 1 is more stable.

[0029] Finally, it should be noted that the above is only the preferred examples of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for extracting a ground steel pin of a power distribution line, comprising a support plate (1), characterized in that: The support plate (1) top surface middle part is provided with a support rod (2) installed by screws, the support rod (2) top is rotatably connected with a rotating plate (3), the rotating plate (3) one end is rotatably connected with a rotating frame (4), the rotating frame (4) one end is slidably connected with an adjusting frame (5), the adjusting frame (5) one end is rotatably connected with a threaded cylinder (6), the threaded cylinder (6) is internally connected with an adjusting threaded rod (7) by threads, the adjusting threaded rod (7) one end is fixedly installed on the rotating frame (4) one end; The rotating frame (4) one end is provided with a blocking plate (8) and an extension plate (9) with blocking effect, the extension plate (9) and the blocking plate (8) are connected by a push spring (10), the support plate (1) four corner positions are threadedly connected with four insertion threaded rods (12), the support plate (1) top two ends are slidably connected with insertion columns (13), the two insertion columns (13) top are connected by a pressing plate (14), the pressing plate (14) middle part both ends are screw-mounted with extrusion spring extension columns (15).

2. A power line ground rod extractor according to claim 1, wherein, One end is hinged with a blocking plate (8), the blocking plate (8) is slidably connected with an extension plate (9) inside, the blocking plate (8) is welded with a push spring (10) in the middle, the push spring (10) one end is welded on the extension plate (9) one end, the extension plate (9) is slidably connected with a limiting column (11) inside.

3. A power line ground pin extractor according to claim 1, wherein, The support rod (2) middle part and the rotating plate (3) end part are both slidably connected with a rotating shaft, the rotating plate (3) and the rotating frame (4) are both slidably connected on the rotating shaft outside, the rotating shaft one end is internally connected with a limiting screw by threads.

4. The electrical distribution line ground rod extractor of claim 1, wherein, The rotating frame (4) and the adjusting frame (5) combined cross section is U-shaped, which is convenient to place the rotating frame (4) and the adjusting frame (5) outside the steel drill.

5. The electrical distribution line ground rod extractor of claim 2, wherein, The limiting column (11) is fixedly installed on the blocking plate (8) inside one end, the limiting column (11) is in the push spring (10) inside, which ensures the stability of the push spring (10) compression.

6. A power line ground pin extractor according to claim 1, wherein, The insertion threaded rod (12) bottom is provided with a chamfer for facilitating the insertion of the insertion threaded rod (12).

7. The electrical distribution line ground rod extractor of claim 1, wherein, Two extrusion spring extension columns (15) are respectively distributed on the support rod (2) two ends, the extrusion spring extension column (15) is in the rotating plate (3) bottom.

Images