Coal mine cable load combustion test equipment

Abstract

The utility model relates to the technical field of cable test equipment, and discloses coal mine cable load combustion test equipment which comprises a workbench and a driving cylinder, the outer wall of the driving cylinder is slidably connected with a fixing shaft, the outer wall of the fixing shaft is fixedly connected with a first fixing plate, the right side of the outer wall of the first fixing plate is fixedly connected with a first clamping block, and the right side of the outer wall of the first clamping block is fixedly connected with a second clamping block. A first tooth groove is formed in the outer wall of the first clamping block, a hollowed-out groove is formed in the right side of the outer wall of the workbench, a second fixing plate is fixedly connected to the inner wall of the hollowed-out groove, a second clamping block is fixedly connected to the left side of the outer wall of the second fixing plate, and a second tooth groove is formed in the outer wall of the second clamping block. According to the utility model, when a cable load combustion test is needed, the wire harness is placed on the supporting rod, and then the driving cylinder installed at the left side of the top of the workbench is driven, thereby preventing the condition that the wire harness is loosened and is not easy to be continuously clamped when the load combustion test is carried out after the wire harness is electrified through the hollow groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable test equipment technical field especially relates to a cable load combustion test equipment for coal mine. BACKGROUND

[0002] The environment in coal mine is extremely complex and bad, there is gas, coal dust flammable and explosive substance, and the humidity is relatively large, the space is relatively closed and has mechanical damage risk, the cable is as the key carrier of power transmission and signal transmission in coal mine, and the advantages and disadvantages of its performance are directly related to the safety and stability of coal mine production, once the cable fails, such as short circuit, overload heating causes combustion, can ignite the surrounding gas or coal dust, and further causes explosion serious accident, causes personnel casualty and huge property loss, along with the continuous enhancement of coal mine safety consciousness and the increasingly perfect relevant regulations and standards, the fireproof performance of the cable for coal mine is put forward extremely strict requirement, has the definite index limitation in the flame retardance, low smoke property and halogen-free property of cable, the cable not only can stably transmit electric energy and signal under normal use condition, but also can effectively prevent the spread of flame when encountering sudden fire or overload heating abnormal condition, reduces the generation of smoke and harmful gas, and gains time for personnel evacuation and accident rescue. This promotes the cable production enterprise and the related detection agency to must adopt scientific, accurate test equipment to carry out comprehensive, in-depth test and evaluation to the fireproof performance of the cable for coal mine.

[0003] Through the retrieval, the patent announcement number of China: CN219533049U discloses a kind of bundled cable combustion test equipment, including the combustion box for burning test bundled cable line, also include visual box cover, it is detachably installed at the top opening of combustion box;For the combustion test of cable line, multiple flame guns are installed on visual box cover;And cable line to be burned test, and multiple cable lines are arranged in combustion box;Wherein, flame gun and cable line correspond to each other, in the utility model, multiple flame guns are installed on visual box cover, flame gun can correspond to each other with cable line, the temperature of the flame of each flame gun can be set to different temperature values when spraying fire and burning, for example, the starting temperature of the flame temperature value of flame gun can be set to 750°C of national standard, and thus start, the flame temperature value of each flame gun gradually increases, to test the fire resistance and limit temperature of each cable line, but the clamping device of traditional cable load combustion test equipment is often designed for specific type or size of cable, the clamping device of some equipment is customized for a certain standard diameter cable, when other diameter cables need to be tested, it cannot well adapt to the various different specifications of cable used in coal mine, this lack of versatility of clamping device can increase the complexity and cost of test, and each time different size cable is replaced, clamping parts can be replaced or adjusted. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a cable load burning test equipment for coal mine, aiming at improving the clamping device of traditional cable load burning test equipment in the prior art is often designed for specific type or size of cable, the gripper of some equipment is customized for a certain standard diameter cable, when other diameter cable needs to be tested, the problem of poor adaptability cannot be solved.

[0005] In order to realize the above object, the utility model adopts the following technical scheme: a cable load burning test equipment for coal mine, including workbench and drive cylinder, the output end of drive cylinder is fixedly connected with fixed shaft, the outer wall of fixed shaft is fixedly connected with fixed plate one, the right side of fixed plate one is fixedly connected with clamping block one, the outer wall of clamping block one is equipped with tooth slot one, the outer wall top right side of workbench is equipped with hollow groove, the inner wall of hollow groove is fixedly connected with fixed plate two, the left side of fixed plate two is fixedly connected with clamping block two, the outer wall of clamping block two is equipped with tooth slot two, the front side of bottom is provided with adjusting mechanism, the adjusting mechanism is used for adjusting height.

[0006] Through the above technical scheme: the outer wall of drive cylinder is connected with a fixed shaft, the right side of the outer wall of fixed plate one is fixedly connected with a component called clamping block one.The outer wall of clamping block one is equipped with a tooth slot one, and the right side of the outer wall of workbench is equipped with a hollow groove, the inner wall of the hollow groove is fixedly connected with another component called fixed plate two, the outer wall of clamping block two is also equipped with a tooth slot two, and the tooth slot two is matched with the tooth slot one to realize the function of clamping.

[0007] Further description of the above technical scheme:

[0008] The adjusting mechanism includes sliding column, the top of sliding column is fixedly connected at the bottom of workbench, the bottom of sliding column is fixedly connected with sliding block, the inside of sliding block is threadedly connected with threaded column, the bottom of threaded column is fixedly connected with bevel gear two, the outer wall of bevel gear two is meshedly connected with bevel gear one, the inner wall of bevel gear one is fixedly connected with rotating shaft, and the outer wall of rotating shaft is rotatably connected with fixed column.

[0009] Through the above technical scheme: the bottom of sliding column is fixedly connected with a sliding block, the inside of the sliding block is designed with a thread to be threadedly connected with a threaded column, the bottom of threaded column is also fixedly connected with a bevel gear two, the outer wall of bevel gear two is meshedly connected with the inner wall of another bevel gear one, and the inner wall of bevel gear one is fixedly connected with a rotating shaft, so that the transmission and movement functions of the whole mechanical structure are realized.

[0010] Further description of the above technical scheme:

[0011] The bottom of the fixed column is fixedly connected with a mounting plate, and the outer wall top of the mounting plate is fixedly connected with protective plates on the left and right sides.

[0012] Through the above technical scheme: the bottom of the fixed column is fixedly connected with a mounting plate, and the outer wall top of the mounting plate is fixedly connected with protective plates on the left and right sides.

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

[0014] The outer wall top of the mounting plate is fixedly connected with protective plates on the front and rear sides, and the bottom of the mounting plate is fixedly connected with bases at four corners.

[0015] Through the above technical scheme: the bottom of the mounting plate is fixedly connected with bases at four corners, and the main function of the bases is to provide stable support to ensure that the mounting plate remains horizontal and stable during use.

[0016] As a further description of the above technical scheme:

[0017] The outer wall rear side of the driving cylinder is fixedly connected with a support plate two, and the top of the driving cylinder is fixedly connected with soft pads at four corners.

[0018] Through the above technical scheme: the outer wall rear side of the driving cylinder is fixedly connected with a support plate two, and the main function of the support plate two is to provide additional support and stability to ensure that the driving cylinder does not shift or tilt during work due to external forces or vibrations.

[0019] As a further description of the above technical scheme:

[0020] The top of the workbench is fixedly connected with support rods on the front and rear sides, and a wire harness is installed on the top of the plurality of support rods.

[0021] Through the above technical scheme: on the top of the workbench on the front and rear sides, a wire harness is installed on the top of the support rods, and the wire harness is neatly arranged on the top of the support rods to ensure the fixation and protection of the wire harness.

[0022] As a further description of the above technical scheme:

[0023] The outer wall right side of the fixed plate two is fixedly connected with a support plate one, the bottom of the support plate one is fixed to the bottom right side of the workbench, and the top of the workbench is fixedly connected with protective pads at four corners.

[0024] Through the above technical scheme: on the right side of the outer wall of the fixed plate two, a supporting plate one is firmly connected, the bottom of the supporting plate one is fixed on the top right side of the workbench, which ensures its stability and supporting force, in order to further protect the surface of the workbench, the four corners of the top are all fixedly connected with protective pads.

[0025] As a further description of the above technical scheme:

[0026] The top front side of the workbench is fixedly connected with a handle near the edge, and the outer wall of the handle is fixedly connected with an anti-skid sleeve.

[0027] Through the above technical scheme: the top front side of the workbench is fixedly connected with a handle near the edge, and the outer wall of the handle is fixedly connected with an anti-skid sleeve.

[0028] The utility model has the advantages of the following:

[0029] 1、 the utility model discloses when needing cable load burning test, the wiring harness will be placed to the supporting rod, then the drive cylinder installed on the left side of the workbench top will be driven, makes the fixed shaft be driven fixed plate one on its outer wall moves, to make the clamping block one moves to the clamping block two of the other end and realizes clamping, prevents the slack of the wiring harness from appearing when load burning test is carried out after being electrified by the hollow groove, and the condition of being not easy to continuously keep being clamped.

[0030] 2、 the utility model discloses in order to better respond to the cable of different load burning test and respond to different scenes, the adjusting mechanism is installed on the bottom of the workbench, and the mechanism is rotated by the rotating shaft, so that the rotating shaft drives the bevel gear one fixed on its outer wall to rotate, so that the bevel gear two engaged with the outer wall of the bevel gear one is driven, and the sliding block connected with the outer wall of the threaded column is rotated, so that the workbench fixed on the bottom of the sliding column is adjusted in height. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A front side perspective view of a cable load burning test equipment workbench for coal mine is provided.

[0032] Figure 2 A partial structure diagram of a drive cylinder of a cable load burning test equipment for coal mine is provided.

[0033] Figure 3 A structure diagram of a clamping block one of a cable load burning test equipment for coal mine is provided.

[0034] Figure 4 This is a structural diagram showing a fixed column of a cable load combustion test equipment for coal mines proposed in the utility model;

[0035] Figure 5 The utility model is a partial structural schematic diagram of a threaded column of a cable load combustion test equipment for coal mines proposed by the present invention.

[0036] Legend:

[0037] 1. Workbench; 2. Adjustment mechanism; 201. Fixed column; 202. Rotating shaft; 203. Bevel gear 1; 204. Bevel gear 2; 205. Threaded column; 206. Sliding block; 207. Sliding column; 3. Driving cylinder; 4. Fixed shaft; 5. Fixed plate 1; 6. Clamping block 1; 7. Tooth groove 1; 8. Fixed plate 2; 9. Clamping block 2; 10. Tooth groove 2; 11. Hollow groove; 12. Wiring harness; 13. Protective pad; 14. Support plate 1; 15. Soft pad; 16. Support rod; 17. Mounting plate; 18. Protective plate; 19. Protective strip; 20. Base; 21. Anti-slip cover; 22. Handle; 23. Support plate 2. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Please see the attached Figure 1 - Attachment Figure 3 , the utility model provides an embodiment: a cable load combustion test equipment for coal mines, including a workbench 1 and a driving cylinder 3, the output end of the driving cylinder 3 is fixedly connected to a fixed shaft 4, the outer wall of the fixed shaft 4 is fixedly connected to a fixing plate 1 5, the right side of the fixing plate 1 5 is fixedly connected to a clamping block 1 6, the outer wall of the clamping block 1 6 is provided with a tooth groove 1 7, the top right side of the outer wall of the workbench 1 is provided with a hollow groove 11, the inner wall of the hollow groove 11 is fixedly connected to a fixing plate 2 8, the left side of the fixing plate 2 8 is fixedly connected to a clamping block 2 9, the outer wall of the clamping block 2 9 is provided with a tooth groove 2 10, and the bottom front side of 1 is provided with an adjusting mechanism 2, which is used to adjust the height;

[0040] Specific, drive cylinder 3 of the outer wall of the sliding connection with a fixed shaft 4, the outer wall of the fixed shaft 4 fixedly connected with a piece called fixed plate 5, the outer wall of the right side of the fixed plate 5 is fixedly connected with a piece called clamping block 6, the outer wall of the clamping block 6 is provided with a tooth slot 7, at the same time the outer wall of the right side of the workbench 1 is provided with a hollow groove 11, the inner wall of the hollow groove 11 is fixedly connected with another piece called fixed plate 8, the outer wall of the left side of the fixed plate 8 is fixedly connected with a piece called clamping block 9, the outer wall of the clamping block 9 is also provided with a tooth slot 10, the tooth slot 10 cooperates with the tooth slot 7 to achieve the function of clamping.

[0041] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 , the adjusting mechanism 2 includes a sliding column 207, the top of the sliding column 207 is fixedly connected with the bottom of the workbench 1, the bottom of the sliding column 207 is fixedly connected with a sliding block 206, the inside of the sliding block 206 is threadedly connected with a threaded column 205, the bottom of the threaded column 205 is fixedly connected with a bevel gear two 204, the outer wall of the bevel gear two 204 is meshingly connected with a bevel gear one 203, the inner wall of the bevel gear one 203 is fixedly connected with a rotating shaft 202, the outer wall of the rotating shaft 202 is rotatably connected with a fixed column 201;

[0042] Specific, the bottom of the sliding column 207 is fixedly connected with a sliding block 206, the inside of the sliding block 206 is designed with threads for threadedly connecting with a threaded column 205, the bottom of the threaded column 205 is also fixedly connected with a bevel gear two 204, the outer wall of the bevel gear two 204 is meshingly connected with the inner wall of another bevel gear one 203, the inner wall of the bevel gear one 203 is fixedly connected with a rotating shaft 202, the outer wall of the rotating shaft 202 is rotatably connected with a fixed column 201, thereby realizing the transmission and movement function of the whole mechanical structure.

[0043] Please refer to the accompanying drawings Figure 4 - the accompanying drawings Figure 5 , the bottom of the fixed column 201 is fixedly connected with a mounting plate 17, the outer wall of the top of the mounting plate 17 is fixedly connected with a protection plate 18 on both sides, the outer wall of the top of the mounting plate 17 is fixedly connected with a protection strip 19 on both sides, the bottom of the mounting plate 17 is fixedly connected with a base 20 at the four corners, the outer wall of the top of the mounting plate 17 is also fixedly connected with a protection strip 19 on both sides, the function of these protection strips 19 is to prevent unnecessary damage to the equipment during use, the outer wall of the rear side of the drive cylinder 3 is fixedly connected with a support plate two 23, the top of the drive cylinder 3 is fixedly connected with a soft pad 15 at the four corners;

[0044] Specifically, the fixed column 201, the bottom is connected with the mounting plate 17 by firm connection, the outer wall of the mounting plate 17 is provided with the protection plate 18 on the top of the left and right sides, the protection plate 18 is fixedly connected in the corresponding position to provide additional protection, in addition, the bottom of the mounting plate 17 is fixedly connected with the base 20 at the four corners, the base 20 not only enhances the stability of the overall structure, but also ensures the stability of the equipment during use, finally, the top of the driving cylinder 3 is fixedly connected with the soft pad 15 at the four corners, which protects the driving cylinder 3 from being damaged by external impact.

[0045] Please refer to the attached drawings Figure 2 - the attached drawings Figure 4 The top of the workbench 1 is fixedly connected with the support rod 16 on the front and rear sides, a plurality of support rods 16 are installed with the wire harness 12 on the top, the outer wall of the fixed plate two 8 is fixedly connected with the support plate one 14 on the right side, the support plate one 14 is fixed on the bottom right side of the workbench 1, the top of the workbench 1 is fixedly connected with the protective pad 13 at the four corners, the handle 22 is fixedly connected with the anti-skid sleeve 21 on the outer wall of the handle 22, the handle 22 is fixedly connected with the anti-skid sleeve 21 on the outer wall of the handle 22, which can provide better grip and prevent hands from slipping, ensuring the safety of the user during use;

[0046] Specifically, the top of the workbench 1 is fixedly connected with the support rod 16 on the front and rear sides, a plurality of support rods 16 are installed with the wire harness 12 on the top, the outer wall of the fixed plate two 8 is fixedly connected with the support plate one 14 on the right side, the support plate one 14 is fixed on the top right side of the workbench 1, ensuring the stability of the entire structure, in addition, the top of the workbench 1 is fixedly connected with the protective pad 13 at the four corners, the purpose of the protective pad 13 is to prevent damage or scratching of the edge of the workbench 1 during use

[0047] Working principle: when the cable load burning test is needed, the wire harness 12 is placed on the support rod 16, then the driving cylinder 3 installed on the left side of the top of the workbench 1 is driven, so that the fixed shaft 4 is driven to move the fixed plate one 5 fixed on the outer wall, so that the clamping block one 6 moves to the clamping block two 9 on the other end to achieve clamping, at the same time, the tooth groove one 7 and the tooth groove two 10 opened on the clamping block one 6 and the clamping block two 9 cooperate with each other, so that the clamped wire harness 12 is fixed more firmly, preventing the wire harness 12 from relaxing after being electrified by the hollow groove 11 during the load burning test, which is not easy to maintain the clamped state;

[0048] In order to better cope with different load combustion test cable and cope with different scenarios, the adjusting mechanism 2 is installed at the bottom of the workbench 1, which is rotated by the rotating shaft 202, so that the rotating shaft 202 drives the bevel gear one 203 fixed on the outer wall to rotate, so that the bevel gear two 204 connected with the outer wall of the bevel gear one 203 is driven, and the bevel gear two 204 drives the threaded column 205 fixed on the inner wall to rotate, and the sliding block 206 connected with the outer wall of the threaded column 205 is driven to adjust the height of the sliding column 207, so that the workbench 1 fixed on the bottom of the sliding column 207 is adjusted in height.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A cable load combustion test device for coal mines, comprising a workbench (1) and a driving cylinder (3), characterized in that: The output end of the driving cylinder (3) is fixedly connected to a fixed shaft (4), the outer wall of the fixed shaft (4) is fixedly connected to a fixed plate 1 (5), the right side of the fixed plate 1 (5) is fixedly connected to a clamping block 1 (6), the outer wall of the clamping block 1 (6) is provided with a tooth groove 1 (7), the top right side of the outer wall of the workbench (1) is provided with a hollow groove (11), the inner wall of the hollow groove (11) is fixedly connected to a fixed plate 2 (8), the left side of the fixed plate 2 (8) is fixedly connected to a clamping block 2 (9), the outer wall of the clamping block 2 (9) is provided with a tooth groove 2 (10), and an adjustment mechanism (2) is provided on the front side of the bottom of the (1), and the adjustment mechanism (2) is used to adjust the height.

2. A cable load combustion test equipment for coal mines according to claim 1, characterized in that: The adjusting mechanism (2) comprises a sliding column (207), the top of the sliding column (207) is fixedly connected to the bottom of the workbench (1), the bottom of the sliding column (207) is fixedly connected to a sliding block (206), the internal thread of the sliding block (206) is connected to a threaded column (205), the bottom of the threaded column (205) is fixedly connected to a second bevel gear (204), the outer wall of the second bevel gear (204) is meshedly connected to a first bevel gear (203), the inner wall of the first bevel gear (203) is fixedly connected to a rotating shaft (202), and the outer wall of the rotating shaft (202) is rotatably connected to a fixed column (201).

3. The cable load combustion test equipment for coal mines according to claim 2, characterized in that: The bottom of the fixing column (201) is fixedly connected to a mounting plate (17), and the left and right sides of the top of the outer wall of the mounting plate (17) are fixedly connected to protective plates (18).

4. The cable load combustion test equipment for coal mines according to claim 3, characterized in that: The front and rear sides of the top of the outer wall of the mounting plate (17) are fixedly connected to protective strips (19), and the four corners of the bottom of the mounting plate (17) are fixedly connected to bases (20).

5. The cable load combustion test equipment for coal mines according to claim 1, characterized in that: A second support plate (23) is fixedly connected to the rear side of the outer wall of the driving cylinder (3), and soft pads (15) are fixedly connected to the four corners of the top of the driving cylinder (3).

6. The cable load combustion test equipment for coal mines according to claim 1, characterized in that: Support rods (16) are fixedly connected to the front and rear sides of the top of the workbench (1), and wiring harnesses (12) are installed on the tops of a plurality of the support rods (16).

7. The cable load combustion test equipment for coal mines according to claim 1, characterized in that: The right side of the outer wall of the second fixing plate (8) is fixedly connected to the first supporting plate (14), the bottom of the first supporting plate (14) is fixed to the right side of the top of the workbench (1), and the four corners of the top of the workbench (1) are fixedly connected to protective pads (13).

8. The cable load combustion test equipment for coal mines according to claim 1, characterized in that: A handle (22) is fixedly connected to the front side of the top of the workbench (1) near the edge, and an anti-slip sleeve (21) is fixedly connected to the outer wall of the handle (22).

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