Coal mine auxiliary transportation track connecting piece capable of being rapidly assembled

Abstract

The utility model discloses a coal mine auxiliary transportation track connecting piece capable of being quickly assembled, which belongs to the technical field of coal mine auxiliary transportation track connecting pieces and comprises a bolt and a nut, the nut is in threaded connection with the outer surface of the bolt, and a fixing assembly is arranged between the nut and the bolt. A protection assembly is arranged on the outer surface of the bolt. Through mutual cooperation of the sliding rail, the positioning groove, the spring, the moving rod and the positioning block, the reliability of connection between the bolt and the nut can be enhanced, the situation that due to long-time vibration and impact of an underground coal mine, the bolt 1 is gradually loosened, and the stability of rail connection is reduced is avoided, and therefore the nut and the nut are prevented from being loosened under the conditions of dynamic loads and vibration; and meanwhile, additional anti-loosening protection can be provided through the spring washer, the strength and rigidity of the bolt can be enhanced through the reinforcing rod in the bolt, and meanwhile the interior of the bolt can be prevented from being corroded through the anti-corrosion pad and the galvanized pad.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine auxiliary transportation track connecting piece technical field more specifically, relate to the coal mine auxiliary transportation track connecting piece of quick assembly. BACKGROUND

[0002] Coal mine auxiliary transportation refers to the various auxiliary transportation activities carried out in the coal mine underground, mainly including the transportation of miners, equipment, materials and waste, track connecting pieces are needed in the process of coal mine auxiliary transportation in order to connect the tracks of different sections, ensure the continuity of the track system, and make the transportation vehicles pass smoothly.

[0003] The existing coal mine auxiliary transportation track connecting piece includes track clamping plate, track joint, bolt, nut and various connecting pieces, among which the bolt is widely used because it can be reused and bear large dynamic and static load. In use, the bolt is usually inserted through the bolt hole on the track clamping plate or track joint, the bolt is aligned with the hole position, and then the nut is screwed into the threaded part of the bolt to ensure that the nut is in contact with the track surface.

[0004] In actual use, the existing technology will cause the bolt to gradually loosen due to the large vibration and impact of the coal mine underground for a long time, thereby reducing the stability of the track connection, and in severe cases, causing the track to be misaligned or fall off, increasing the risk of transportation accidents. Therefore, the coal mine auxiliary transportation track connecting piece of quick assembly is proposed. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a coal mine auxiliary transportation track connecting piece of quick assembly, which can strengthen the reliability of the bolt and nut connection through the mutual cooperation of the sliding rail, positioning groove, spring, moving rod and positioning block, avoid the long-time vibration and impact of the coal mine underground causing the bolt 1 to gradually loosen and reduce the stability of the track connection.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] The coal mine auxiliary transportation track connecting piece which can be quickly assembled comprises a bolt and a nut, the outer surface of the bolt is threadedly connected with the nut, a fixing assembly is arranged between the nut and the bolt, and the outer surface of the bolt is provided with a protection assembly; the fixing assembly comprises a sliding rail which is arranged on the outer surface of the bolt, the inner portion of the nut is provided with a positioning groove, the inner portion of the positioning groove is slidably connected with a positioning block, and the positioning block is clamped with the inner portion of the sliding rail; the protection assembly comprises a reinforcing groove which is arranged in the inner portion of the bolt, the inner portion of the reinforcing groove is fixedly connected with a reinforcing rod, the outer surface of the reinforcing rod is fixedly connected with an anticorrosion pad, and the outer surface of the anticorrosion pad is fixedly connected with a galvanized pad.

[0010] Further, the side surface of the positioning block is fixedly connected with a moving rod, and the side surface of the moving rod is fixedly connected with a pull plate on the outer surface of the nut.

[0011] Further, the outer surface of the moving rod is sleeved with a spring, one end of the spring is connected with the inner cavity of the positioning groove, and the other end is connected with the side surface of the positioning block.

[0012] Further, one end of the nut is fixedly connected with a moving sleeve, and the upper surface of the moving sleeve is provided with a spring washer.

[0013] Further, the outer surface of the moving sleeve is threadedly connected with the outer surface of the bolt, and the outer surface of the moving sleeve is sleeved with an antiskid sleeve.

[0014] Further, the galvanized pad is filled with a composite pad between the reinforcing groove, the reinforcing rod is made of steel material, and the anticorrosion pad is made of anticorrosion material.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the coal mine auxiliary transportation track connecting piece which can be quickly assembled has the following advantages:

[0017] (1) The mutual cooperation of the sliding rail, the positioning groove, the spring, the moving rod and the positioning block can enhance the reliability of the bolt and the nut connection, avoid the long-time vibration and impact of the coal mine underground to cause the bolt 1 to gradually loosen and reduce the stability of the track connection, prevent the nut and the nut from loosening under the dynamic load and vibration, provide additional anti-loosening protection through the spring washer, further improve the stability and reliability of the coal mine auxiliary transportation track connecting piece, and the bolt and the nut can be quickly disassembled or installed through the moving sleeve.

[0018] (2) The scheme can enhance the strength and rigidity of the bolt through the reinforcing rod inside the bolt, improve the fatigue resistance, and the anticorrosion pad and the galvanized pad can prevent the internal corrosion of the bolt, the composite pad block filled between the reinforcing groove and the galvanized pad can provide more comprehensive corrosion protection, thereby improving the multilayer protection of the bolt, reducing the maintenance frequency caused by corrosion, reducing the maintenance cost and workload, and ensuring that the bolt can still maintain good performance in the humid and corrosive environment of the coal mine. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure of the utility model;

[0020] Figure 2 It is a partial structure sectional view of the utility model;

[0021] Figure 3 It is the utility model Figure 2 It is an enlarged view of A in the utility model;

[0022] Figure 4 It is a partial structure exploded view of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, bolt; 101, nut; 2, fixed assembly; 201, sliding rail; 202, positioning groove; 203, positioning block; 204, moving rod; 205, spring; 206, moving sleeve; 207, spring washer; 3, protection assembly; 301, reinforcing rod; 302, anticorrosion pad; 303, galvanized pad; 304, composite pad block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0026] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "setting", "sleeving / connection", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according of the specific circumstances.

[0028] Embodiment 1

[0029] Refer to Figures 1-4 For the first embodiment of the utility model, the embodiment provides a coal mine auxiliary transportation track connecting piece that can be quickly assembled, which comprises a bolt 1 and a nut 101, the outer surface of the bolt 1 is threadedly connected with the nut 101, and a fixed assembly 2 is arranged between the nut 101 and the bolt 1.

[0030] Specifically, the fixed assembly 2 comprises a sliding rail 201 formed in the outer surface of the bolt 1, a positioning groove 202 is formed in the inside of the nut 101, a positioning block 203 is slidably connected in the inside of the positioning groove 202, the positioning block 203 is clamped with the inside of the sliding rail 201, a moving rod 204 is fixedly connected to the side surface of the positioning block 203, and the moving rod 204 is inserted into the outer surface of the nut 101 and fixedly connected with a pull plate.

[0031] The outer surface of the moving rod 204 is sleeved with a spring 205, one end of the spring 205 is connected with the inner cavity of the positioning groove 202, the other end is connected with the side surface of the positioning block 203, one end of the nut 101 is fixedly connected with a moving sleeve 206, the upper surface of the moving sleeve 206 is provided with a spring washer 207, the moving sleeve 206 is threadedly connected with the outer surface of the bolt 1, and the outer surface of the moving sleeve 206 is sleeved with an antiskid sleeve.

[0032] Further, the spring washer 207 is placed on the moving sleeve 206, the spring washer 207 is ensured to be well attached to the moving sleeve 206, then the threads of the bolt 1 are aligned with the bolt holes on the track, the bolt 1 is ensured to be smoothly inserted, the moving sleeve 206 is held by hand, the moving rod 204 is pulled outwards through the pull plate, the positioning block 203 is completely inserted into the positioning groove 202, the nut 101 and the moving sleeve 206 are tightened on the bolt 1, the connection between the nut 101 and the bolt 1 is ensured to be firm, the spring washer 207 is tightly attached to the plate below the track, the stability of the connection is increased, the pull plate is loosened, the positioning block 203 is moved outwards by the elasticity of the spring 205, the positioning block 203 is clamped with the sliding rail 201 on the surface of the bolt 1, and the nut 101 is prevented from loosening along the thread direction on the surface of the bolt 1.

[0033] Embodiment 2

[0034] Reference Figures 1-4 For the second embodiment of the utility model, the outer surface of the bolt 1 is provided with a protection assembly 3 based on the previous embodiment.

[0035] Specifically, the protection assembly 3 includes a reinforcing groove opened in the bolt 1, the reinforcing groove is fixedly connected with a reinforcing rod 301 inside, the outer surface of the reinforcing rod 301 is fixedly connected with a corrosion-resistant pad 302, the outer surface of the corrosion-resistant pad 302 is fixedly connected with a galvanized pad 303, the galvanized pad 303 is filled with a composite pad 304 between the reinforcing groove, the reinforcing rod 301 is made of steel material, and the corrosion-resistant pad 302 is made of corrosion-resistant material.

[0036] Further, the reinforcing rod 301 inside the bolt 1 can enhance the strength and rigidity of the bolt 1, improve the fatigue resistance, the corrosion-resistant pad 302 and the galvanized pad 303 can prevent the internal corrosion of the bolt 1, and the composite pad 304 filled between the reinforcing groove and the galvanized pad 303 can provide more comprehensive corrosion protection.

[0037] Working principle: in use, first, the spring washer 207 is placed on the moving sleeve 206, the spring washer 207 is ensured to be well attached to the moving sleeve 206, then the threads of the bolt 1 are aligned with the bolt holes on the track, the bolt 1 is ensured to be smoothly inserted, then the moving sleeve 206 is held by hand, the moving rod 204 is pulled outwards through the pull plate, the positioning block 203 is completely entered into the positioning groove 202, then the nut 101 and the moving sleeve 206 are tightened on the bolt 1, the connection between the nut 101 and the bolt 1 is ensured to be firm, the spring washer 207 is tightly attached to the plate below the track, the stability of the connection is increased, then the pull plate is loosened, the positioning block 203 is moved outwards through the elasticity of the spring 205, the positioning block 203 is clamped with the slide rail 201 on the surface of the bolt 1, the nut 101 is prevented from loosening along the thread direction on the surface of the bolt 1, the coal mine is prevented from being vibrated and impacted for a long time, the bolt 1 is prevented from gradually loosening, and the stability of the track connection is reduced; the reinforcing rod 301 inside the bolt 1 can enhance the strength and rigidity of the bolt 1, improve the fatigue resistance, the corrosion-resistant pad 302 and the galvanized pad 303 can prevent the internal corrosion of the bolt 1, and the composite pad 304 filled between the reinforcing groove and the galvanized pad 303 can provide more comprehensive corrosion protection.

[0038] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A quick-assembly coal mine auxiliary transport track connector, comprising a bolt (1) and a nut (101), wherein the outer surface of the bolt (1) is threaded with a nut (101), characterized in that: The nut (101) and bolt (1) are provided with a fixed assembly (2), the outer surface of the bolt (1) is provided with a protection assembly (3); The fixed assembly (2) includes a slide rail (201) opened on the outer surface of the bolt (1), the inside of the nut (101) is provided with a positioning groove (202), the inside of the positioning groove (202) is slidably connected with a positioning block (203), the positioning block (203) is connected with the inside of the slide rail (201); The protection assembly (3) includes a reinforcing groove opened in the inside of the bolt (1), the inside of the reinforcing groove is fixedly connected with a reinforcing rod (301), the outer surface of the reinforcing rod (301) is fixedly connected with an anti-corrosion pad (302), the outer surface of the anti-corrosion pad (302) is fixedly connected with a galvanized pad (303).

2. The quickly assemblable auxiliary haulage track connection for coal mines according to claim 1, characterized in that: The side surface of the positioning block (203) is fixedly connected with a moving rod (204), the side surface of the moving rod (204) is inserted into the outer surface of the nut (101) and is fixedly connected with a pull plate.

3. The quickly assemblable auxiliary haulage track connection for coal mines according to claim 2, characterized in that: The outer surface of the moving rod (204) is sleeved with a spring (205), one end of the spring (205) is connected with the inner cavity of the positioning groove (202), and the other end is connected with the side surface of the positioning block (203).

4. The quickly assemblable auxiliary haulage track connection for coal mines according to claim 1, characterized in that: One end of the nut (101) is fixedly connected with a moving sleeve (206), the upper surface of the moving sleeve (206) is provided with a spring washer (207).

5. The quickly assemblable auxiliary haulage track connection for coal mines according to claim 4, characterized in that: The moving sleeve (206) is threadedly connected with the outer surface of the bolt (1), and the outer surface of the moving sleeve (206) is sleeved with an anti-skid sleeve.

6. The quickly assemblable auxiliary haulage track connection for coal mines according to claim 1, characterized in that: The galvanized pad (303) and the reinforcing groove are filled with a composite pad (304), the reinforcing rod (301) is made of steel material, and the anti-corrosion pad (302) is made of anti-corrosion material.

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