Cable protection device for mining

Abstract

The utility model discloses a cable protection device for mining in the technical field of cable protection devices for mining, which comprises a fixing ring, a protection sheet I, a protection sheet III and a cable, the protection sheet I is sleeved on the left side of the fixing ring, the protection sheet III is sleeved on the right side of the fixing ring, and the cable is sleeved on the right side of the fixing ring. The cable penetrates through inner cavities of the fixing ring, the first protection piece and the third protection piece, circular grooves are formed in the inner cavity of the fixing ring and are arranged in a cross shape, springs are fixedly connected to inner cavities of the circular grooves, clamping pieces are fixedly connected to the tail ends of the springs, fixing rods are fixedly connected to the outer side wall of the fixing ring, and the fixing rods are fixedly connected to the outer side wall of the fixing ring. The fixing rods are arranged in a cross shape, and the tops of the fixing rods are in threaded connection with nuts, so that the cable can have relatively high anti-pressure capability to protect the cable from being extruded and deformed to influence the electrical transmission performance, bending can be performed while protection can be performed, the cable angle is convenient to adjust, installation and maintenance are convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining cable protection devices, in particular to a mining cable protection device. Background Art

[0002] Mining cable is a specially designed electrical cable used to transmit electrical energy and signals in mining scenarios. The existing mining cable protection device is easily damaged by falling coal blocks, and the protection effect is not very good. At the same time, the device is relatively complicated to install. In addition, the cable will be excessively bent as the coal mining machine works, resulting in obstruction of the inside of the cable and damage due to excessive bending. For this reason, we proposed a mining cable protection device. Utility Model Content

[0003] The purpose of the utility model is to provide a mining cable protection device to solve the problems proposed in the above background technology that the existing mining cable protection device is easily damaged by falling coal blocks, the protection effect is not very good, and the device is relatively complicated to install; and the cable will be excessively bent as the coal mining machine works, resulting in obstruction of the interior of the cable and damage due to excessive bending.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a fixing ring, a protective sheet one, a protective sheet three and a cable, the protective sheet one is sleeved on the left side of the fixing ring, the protective sheet three is sleeved on the right side of the fixing ring, the cable runs through the inner cavity of the fixing ring, the protective sheet one and the protective sheet three, the inner cavity of the fixing ring is provided with a circular groove, the circular grooves are arranged in a cross, the inner cavity of the circular groove is fixedly connected with a spring, the end of the spring is fixedly connected with a clamping sheet, the outer wall of the fixing ring is fixedly connected with a fixing rod, the fixing rods are arranged in a cross, and a nut is screwed on the top of the fixing rod.

[0005] As a further description of the above technical solution:

[0006] A round hole 1 is provided on the right side of the front side wall of the protective sheet 1, and the round hole 1 is sleeved with the front side of the fixing rod.

[0007] As a further description of the above technical solution:

[0008] A pin 1 is screwed on the front side of the protective sheet 1, a protective sheet 2 is screwed on the rear side of the pin 1, a round hole 2 is opened on the right side of the rear side wall of the protective sheet 2, and the round hole 2 is sleeved with the rear side of the fixing rod.

[0009] As a further description of the above technical solution:

[0010] A round hole three is provided on the left side of the top of the protective sheet three, and the round hole three is sleeved with the top of the fixing rod.

[0011] As a further description of the above technical solution:

[0012] The top of the protective sheet three is screwed with a pin column two, the bottom of the pin column two is screwed with a protective sheet four, and the bottom of the protective sheet four is provided with a round hole four.

[0013] As a further description of the above technical solution:

[0014] The circular hole four is sleeved with the bottom of the fixing rod, and the outer side wall of the cable is sleeved with a waterproof layer.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The mining cable protection device, by pressing the clamping piece, the clamping piece expands outward due to the compression of the spring, the cable passes through the fixing ring, and the four clamping pieces fix the cable in the fixing ring, which can have a strong pressure resistance to protect the cable from being squeezed and deformed to affect the electrical transmission performance.

[0017] 2. The mining cable protection device is connected with round hole one, round hole two, round hole three and round hole four through a cross fixing rod. At the same time, pin one fixes protective sheet one and protective sheet two, and pin two fixes protective sheet three and protective sheet four. It can be bent while protecting, which is convenient for adjusting the cable angle, facilitating installation and maintenance, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a mining cable protection device proposed by the utility model;

[0019] Figure 2 This is a left-side structural schematic diagram of a mining cable protection device proposed by the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of a mining cable protection device proposed by the utility model;

[0021] Figure 4 The utility model is a partial structural schematic diagram of a mining cable protection device.

[0022] In the figure: 100, fixing ring; 110, circular groove; 120, spring; 130, clamping plate; 140, fixing rod; 150, nut; 200, protective plate one; 210, circular hole one; 220, pin one; 230, protective plate two; 240, circular hole two; 300, protective plate three; 310, circular hole three; 320, pin two; 330, protective plate four; 340, circular hole four; 400, cable; 410, waterproof layer. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" 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, 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.

[0025] 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.

[0026] The utility model provides a mining cable protection device, which has strong pressure resistance to protect the cable from being squeezed and deformed to affect the electrical transmission performance. It can be bent while protecting, which is convenient for adjusting the cable angle, facilitating installation and maintenance, and improving work efficiency.

[0027] See also Figure 1-Figure 4 , including a fixing ring 100, a protective sheet 1 200, a protective sheet 3 300 and a cable 400;

[0028] Please refer again Figure 1-Figure 4, the protective sheet 200 is sleeved on the left side of the fixing ring 100, the protective sheet 3 300 is sleeved on the right side of the fixing ring 100, the cable 400 passes through the inner cavity of the fixing ring 100, the protective sheet 200, and the protective sheet 3 300, the inner cavity of the fixing ring 100 is provided with a circular groove 110, the circular groove 110 is used to fix the spring 120, the circular groove 110 is arranged in a cross, the inner cavity of the circular groove 110 is fixedly connected with a spring 120, the spring 120 is used to fix the clamping sheet 130, the end of the spring 120 is fixedly connected with the clamping sheet 130, the clamping sheet 130 is used to clamp the cable 400, the outer wall of the fixing ring 100 is fixedly connected with a fixing rod 140, the fixing rod 140 is used to fix the protective sheet, the fixing rod 140 is arranged in a cross, the top of the fixing rod 140 is screwed with a nut 150, the nut 150 is used to fix the protective sheet.

[0029] By pressing the clamping piece 130 , the clamping piece 130 expands outward due to the compression of the spring 120 , and the cable 400 passes through the fixing ring 100 . The four clamping pieces 130 fix the cable 400 in the fixing ring 100 .

[0030] In summary, the mining cable protection device can have a strong compressive resistance to protect the cable from being squeezed and deformed to affect the electrical transmission performance.

[0031] Please refer again Figure 1-Figure 4 A circular hole 210 is provided on the right side of the front side wall of the protective sheet 1 200, and the circular hole 210 is sleeved with the front side of the fixing rod 140. A pin 220 is screwed on the front side of the protective sheet 1 200, and the pin 220 is used to fix the protective sheet 2 230. The protective sheet 2 230 is screwed on the rear side of the pin 220. A circular hole 240 is provided on the right side of the rear side wall of the protective sheet 2 230, and the circular hole 240 is sleeved with the rear side of the fixing rod 140. A circular hole is provided on the left side of the top of the protective sheet 3 300. Three 310, the circular hole three 310 is socketed with the top of the fixing rod 140, the top of the protective sheet three 300 is screwed with the pin two 320, the pin two 320 is used to fix the protective sheet four 330, the bottom of the pin two 320 is screwed with the protective sheet four 330, the bottom of the protective sheet four 330 is provided with a circular hole four 340, the circular hole four 340 is socketed with the bottom of the fixing rod 140, the outer wall of the cable 400 is socketed with a waterproof layer 410, the waterproof layer 410 is used to prevent moisture from entering the cable.

[0032] The cross fixing rod 140 is connected with the circular hole 1 210 , the circular hole 240 , the circular hole 310 and the circular hole 4 340 . At the same time, the pin 1 220 fixes the protective sheet 1 200 and the protective sheet 2 230 , and the pin 2 320 fixes the protective sheet 3 300 and the protective sheet 4 330 .

[0033] In summary, the mining cable protection device can be bent while protecting, which is convenient for adjusting the cable angle, facilitating installation and maintenance, and improving work efficiency.

[0034] In specific use, when using the mining cable protection device, by pressing the clamping piece 130, the clamping piece 130 is compressed and expanded outward by the spring 120, and the cable 400 passes through the fixing ring 100. The four clamping pieces 130 fix the cable 400 in the fixing ring 100, and are connected with the circular hole 1 210, the circular hole 240, the circular hole 310 and the circular hole 4 340 through the cross fixing rod 140. At the same time, the pin 1 220 fixes the protection piece 1 200 and the protection piece 2 230, and the pin 2 320 fixes the protection piece 3 300 and the protection piece 4 330.

[0035] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "at least one embodiment or example". In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A cable protection device for mining, characterized in that: The invention comprises a fixing ring (100), a protective sheet 1 (200), a protective sheet 3 (300) and a cable (400), wherein the protective sheet 1 (200) is sleeved on the left side of the fixing ring (100), the protective sheet 3 (300) is sleeved on the right side of the fixing ring (100), the cable (400) passes through the inner cavities of the fixing ring (100), the protective sheet 1 (200) and the protective sheet 3 (300), and the fixing ring ( The inner cavity of the fixing ring (100) is provided with a circular groove (110), and the circular grooves (110) are arranged in a cross shape. The inner cavity of the circular groove (110) is fixedly connected to a spring (120), and the end of the spring (120) is fixedly connected to a clamping piece (130). The outer wall of the fixing ring (100) is fixedly connected to a fixing rod (140), and the fixing rod (140) is arranged in a cross shape. A nut (150) is screwed on the top of the fixing rod (140).

2. A mining cable protection device according to claim 1, characterized in that: A circular hole (210) is provided on the right side of the front side wall of the protective sheet (200), and the circular hole (210) is sleeved with the front side of the fixing rod (140).

3. A mining cable protection device according to claim 2, characterized in that: The front side of the protective sheet 1 (200) is screwed with a pin 1 (220), and the rear side of the pin 1 (220) is screwed with a protective sheet 2 (230). The right side of the rear side wall of the protective sheet 2 (230) is provided with a circular hole 2 (240), and the circular hole 2 (240) is sleeved with the rear side of the fixing rod (140).

4. A mining cable protection device according to claim 3, characterized in that: A circular hole three (310) is provided on the left side of the top of the protective sheet three (300), and the circular hole three (310) is sleeved with the top of the fixing rod (140).

5. A mining cable protection device according to claim 4, characterized in that: The top of the protective sheet three (300) is screwed with a pin two (320), the bottom of the pin two (320) is screwed with a protective sheet four (330), and the bottom of the protective sheet four (330) is provided with a round hole four (340).

6. A mining cable protection device according to claim 5, characterized in that: The circular hole four (340) is sleeved with the bottom of the fixing rod (140), and the outer side wall of the cable (400) is sleeved with a waterproof layer (410).

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