Stripper for replacing cable nose of drilling machine power station

Abstract

The utility model discloses a peeler for replacing a cable nose of a drilling machine power station, which is provided with a vertically arranged support cylinder and a peeling knife vertically arranged in the support cylinder, and the peeling knife is inclined, the distance between the upper end of the peeling knife and the inner wall of the support cylinder is large, and the distance between the lower end of the peeling knife and the inner wall of the support cylinder is small, so that the autorotation track of the peeling knife is conical. The problems that in the prior art, the cable nose replacement step is tedious, the cable nose replacement efficiency is low, and the overhaul and maintenance efficiency of a drilling machine power station is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power station circuit maintenance, in particular to a stripper for replacing cable noses of a drilling rig power station. Background Art

[0002] The drilling rig power pack is a crucial component for driving the drilling rig. It primarily consists of one or more power systems, including an engine, pump, fuel tank, hydraulic oil tank, and radiator. These systems all require high-voltage electricity, so cables with cable lugs are often used in the power distribution box of the drilling rig power pack for power transmission. These lugs facilitate quick connection, enabling contactless current transfer while also ensuring stable and secure power transmission.

[0003] Over time, cables are often damaged by the drilling rig workstation environment, often leading to cable or cable lug damage. Therefore, during drilling rig maintenance and inspection, cables or cable lugs often need to be replaced to maintain stable and safe power transmission. Whenever replacing a cable or cable lug, workers must strip the cable ends before replacing the lugs.

[0004] The existing method of replacing cable lugs mostly involves manually removing the cable's insulation with a stripping knife. After stripping, the copper conductor must be trimmed and bundled to facilitate insertion into the lug. Finally, hydraulic equipment is used to compress the lugs to complete the lug replacement. Therefore, replacing a cable lug requires three steps: stripping, trimming, and crimping. Trimming the copper conductor takes a significant amount of time, which in turn reduces the efficiency of drilling rig power station maintenance. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the cable nose replacement steps are relatively cumbersome, resulting in low cable nose replacement efficiency, thereby reducing the inspection and maintenance efficiency of the drilling rig power station, and to provide a stripper for replacing the cable nose of the drilling rig power station.

[0006] In order to solve the deficiencies of the above-mentioned technical problems, the technical solution adopted by the present invention is: a stripper for replacing the cable nose of a drilling rig power station, which comprises: a vertically arranged support tube and a stripping knife vertically arranged in the support tube, and the stripping knife is inclined with a large distance between the upper end and the inner wall of the support tube and a small distance between the lower end and the inner wall of the support tube, so that the rotation trajectory of the stripping knife is conical.

[0007] As a further optimization of the utility model, a stripper for replacing the cable nose of a drilling rig power station is provided with a protrusion fixed on the upper end of the stripping knife, and the protrusion is arranged to extend beyond the stripping knife on the side away from the inner wall of the supporting tube so that the protrusion can squeeze the copper conductor leaked from the cable body.

[0008] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: an elastic block is fixedly provided on the side of the protrusion facing away from the inner wall of the support tube.

[0009] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: a C-shaped ring is fixedly provided on the inner wall of the support tube, and the notch of the C-shaped ring is set corresponding to the stripping knife.

[0010] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: a torsion block is provided on the outer side surface of the support cylinder.

[0011] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: an adjusting piece is provided between the support tube and the stripping knife to position and adjust the inclination angle of the stripping knife, and the adjusting piece includes two connecting heads provided at both ends of the stripping knife facing the inner wall of the support tube and a stud threadedly connected to the support tube, the connecting head at the lower end is rotatably connected to the matching seat fixed on the lower inner wall of the support tube, and the connecting head at the upper end is rotatably matched with the connecting ring rotatably provided at the end of the stud.

[0012] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: the connecting ring is a rectangular ring for the connecting head at the upper end to be sleeved inside the connecting ring.

[0013] As a further optimization of the utility model of a stripper for replacing the cable nose of a drilling rig power station: one end surface of the stud passing through the support tube is provided with a groove for inserting a screwdriver.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The utility model provides an inclined stripping knife in the support tube, which can remove the insulation layer of the cable body when the support tube is rotated and pushed downward by the user outside the cable body, so as to expose the copper conductor of the cable body.

[0016] In the process of removing the insulation layer, the inclined stripping knife takes a conical trajectory when removing the insulation layer, that is, the stripped insulation layer is in a cone shape with the narrow end facing the leaked copper conductor, and then the leaked copper conductor is gathered by the conical insulation layer, so that the leaked copper conductor is in a more orderly state, which makes it easier for the user to insert the leaked copper conductor into the wire nose.

[0017] Furthermore, the raised portion provided at the end of the stripping knife near the center of the support tube can squeeze the leaked copper conductor, thereby further maintaining the orderly state of the copper conductor, making it easier for the user to insert the leaked copper conductor into the wire nose for subsequent tightening operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the utility model from a first perspective;

[0019] Figure 2 This is a schematic diagram of the first cross-sectional structure of the present utility model;

[0020] Figure 3 This is a schematic diagram of the second cross-sectional structure of the present utility model;

[0021] Markings in the figure: 1. Support tube; 2. Adjusting part; 201. Stud; 202. Connecting ring; 203. Connecting head; 204. Matching seat; 3. Cable body; 301. Copper conductor; 302. Insulating layer; 4. Torsion block; 5. C-shaped ring; 6. Stripping knife; 7. Protrusion; 701. Elastic block. DETAILED DESCRIPTION

[0022] In order to better understand the present invention, the content of the present invention is further explained below in conjunction with embodiments, but the content of the present invention is not limited to the following embodiments.

[0023] like Figure 1-3 As shown, a stripper for replacing the cable nose of a drilling rig power station is provided, which has a vertically arranged support tube 1 and a stripping knife 6 obliquely arranged in the support tube 1. The stripping knife 6 is provided with a protrusion 7 at one end near the center of the support tube 1. When it is necessary to strip the cable body 3, the user controls the support tube 1 to rotate, thereby driving the stripping knife 6 to rotate in a cone shape to remove the insulating layer 302. The process is similar to the process of sharpening a pencil with a pencil sharpener, so as to cut the insulating layer 302 of the cable body 3 into a cone shape. At the same time, the protrusion 7 is used to squeeze the copper conductor 301 of the cable body 3 that has leaked out due to the removal of the insulating layer 302, thereby making the copper conductor 301 be bundled, so that the user can insert the leaked copper conductor 301 into the nose, that is, saving the step of bundling the copper conductor 301, to assist the user in quickly completing the connection between the cable body 3 and the nose.

[0024] The horizontal distance between the lower end of the stripping knife 6 and the upper end thereof is equal to the thickness of the insulating layer 302, that is, the stripping knife 6 can stably remove the insulating layer 302 in a tapered shape to assist the squeezed copper conductor 301 to maintain the tightened and orderly state of the copper conductor 301, while also reducing the possibility of the stripping knife 6 causing damage to the copper conductor 301 and affecting power transmission.

[0025] One end of the protrusion 7 toward the center of the support tube 1 is arranged beyond the stripping knife 6, that is, the stripping knife 6 is used as a support point to squeeze the leaked copper conductor 301, so that the leaked copper conductor 301 is tightened and orderly.

[0026] An elastic block 701 is provided on the side of the protrusion 7 facing the center of the support tube 1. The elastic block 701 is made of elastic rubber. The setting of the elastic block 701 can reduce the hard friction between the protrusion 7 and the copper conductor 301, that is, reduce the wear of the outer material of the copper conductor 301, so as to reduce the impact on the power transmission capacity of the copper conductor 301 while ensuring that the copper conductor 301 is conveniently inserted into the wire nose.

[0027] Two symmetrical torsion blocks 4 are provided on the outer side of the support tube 1. The torsion blocks 4 enhance the anti-slip properties of the outer wall of the support tube 1, making it easier for the user to rotate the support tube 1 and cause the stripping knife 6 to remove the insulation layer 302. The torsion blocks 4 are tapered, protruding from the outer wall of the support tube 1. Therefore, they can increase the torque arm for rotating the support tube 1, which is located outside the cable body 3. This increases the torque required to rotate the support tube 1 to strip the cable body 3, thereby reducing the force required for the user to rotate the support tube 1 and cause the stripping knife 6 to remove the insulation layer 302.

[0028] A C-shaped ring 5 is fixed on the inner wall of the support tube 1. The notch of the C-shaped ring 5 corresponds to the stripping knife 6, and the C-shaped ring 5 can contact the surface of the insulating layer 302. Then, through the friction between the C-shaped ring 5 and the surface of the insulating layer 302, the cable body 3 is stably sleeved in the support tube 1, thereby reducing the probability of the support tube 1 falling off the cable body 3 and causing the user to pick it up repeatedly.

[0029] An adjusting member 2 is provided between the supporting tube 1 and the stripping knife 6. The adjusting member 2 can control the inclination of the stripping knife 6, thereby enabling the stripping knife 6 to strip the cable bodies 3 with different outer diameters within a certain range.

[0030] The adjusting member 2 includes two connecting heads 203 provided at both ends of the skinning knife 6, and a stud 201 threadedly connected to the support tube 1, and both connecting heads 203 are provided toward one side of the inner wall of the support tube 1, the lower connecting head 203 is rotatably connected to the matching seat 204 provided on the inner wall of the support tube 1, and the upper connecting head 203 is inserted into the connecting ring 202 that rotates on the end of the stud 201. Specifically, the connecting head 203 is composed of two connecting blocks that are vertically fixed to the surface of the skinning knife 6 and arranged in parallel, and a connecting shaft connecting the two connecting blocks and the skinning knife 6 in parallel, and the connecting ring 202 is a rectangular ring, that is, the connecting shaft of the upper connecting head 203 is sleeved in the connecting ring 202 to adapt to the displacement change of the connecting head 203 and stabilize the inclination angle of the skinning knife 6.

[0031] The end of the stud 201 extending from the support tube 1 is provided with a groove. The groove is adapted to accommodate a cross or flat-blade screwdriver, making it easy for the user to drive the stud 201 to move the connecting ring 202, which in turn cooperates with the upper connector 203 to drive the upper end of the peeling knife 6 to move. During this process, the lower connector 203 of the peeling knife 6 cooperates with the mating seat 204 to rotate the peeling knife 6, thereby changing the inclination angle of the peeling knife 6.

[0032] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art may make various modifications or variations within the scope of the claims, which do not affect the essence of the present invention.

Claims

1. A stripper for replacing the cable nose of a drilling rig power station, characterized in that: The invention comprises: a vertically arranged support tube (1) and a peeling knife (6) vertically arranged in the support tube (1); the peeling knife (6) is inclined so that the upper end is spaced a large distance from the inner wall of the support tube (1) and the lower end is spaced a small distance from the inner wall of the support tube (1), so that the rotation trajectory of the peeling knife (6) is conical.

2. A stripper for replacing a cable nose of a drilling rig power station according to claim 1, characterized in that: A protrusion (7) is fixedly provided on the upper end of the stripping knife (6), and the protrusion (7) is arranged beyond the stripping knife (6) on a side away from the inner wall of the support tube (1) so as to allow the protrusion (7) to squeeze the copper conductor (301) leaking from the cable body (3).

3. A stripper for replacing a cable nose of a drilling rig power station according to claim 2, characterized in that: An elastic block (701) is fixedly provided on the side of the protrusion (7) facing away from the inner wall of the support tube (1).

4. A stripper for replacing a cable nose of a drilling rig power station according to claim 1, characterized in that: A C-shaped ring (5) is fixedly provided on the inner wall of the support tube (1), and a notch of the C-shaped ring (5) is provided corresponding to the peeling knife (6).

5. The stripper for replacing the cable nose of a drilling rig power station according to claim 1, characterized in that: A torsion block (4) is provided on the outer side of the support cylinder (1).

6. The stripper for replacing the cable nose of a drilling rig power station according to claim 1, characterized in that: An adjusting member (2) is provided between the support tube (1) and the peeling knife (6) for positioning and adjusting the inclination angle of the peeling knife (6). The adjusting member (2) comprises two connecting heads (203) provided at both ends of the skinning knife (6) facing the inner wall of the support tube (1) and a stud (201) threadedly connected to the support tube (1). The connecting head (203) at the lower end is rotatably connected to a matching seat (204) fixedly provided on the inner wall of the lower side of the support tube (1), and the connecting head (203) at the upper end is rotatably matched with a connecting ring (202) rotatably provided at the end of the stud (201).

7. A stripper for replacing a cable nose of a drilling rig power station according to claim 6, characterized in that: The connecting ring (202) is in the shape of a rectangular ring, so that the connecting head (203) at the upper end can be sleeved inside the connecting ring (202).

8. The stripper for replacing the cable nose of a drilling rig power station according to claim 6, characterized in that: An end surface of the stud (201) passing through the support tube (1) is provided with a groove for inserting a screwdriver.

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