Rapid supporting device for underground coal slipping hole

Abstract

The utility model provides a quick support device for an underground slip coal hole, which relates to the technical field of underground tunneling and comprises a plurality of groups of cylindrical well walls and a winch, flanges are arranged at the upper end and the lower end of each group of cylindrical well walls, adjacent cylindrical well walls are connected through the flanges, the cylindrical well walls are used for being inserted into the slip coal hole, and the winch is used for being inserted into the slip coal hole. The number of the winches is two, and the winches are arranged in a roadway. The cylindrical well wall serves as a main body, the steel wire rope is limited in the stable steel wire rope hole of the cylindrical well wall through the U-shaped buckle, the adjacent cylindrical well walls are mutually connected through the flange, and the cylindrical well wall at the lower end is provided with the fixing piece on the flange to fix the lower end of the steel wire rope. The cylindrical well wall can be lowered into the coal slipping hole section by section by matching the winch with the steel wire rope, all functions are completed by pouring concrete after fixing, rapid supporting is facilitated, the diameter of the coal slipping hole does not need to be enlarged, the project cost is saved, and the project construction period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground tunneling technical field especially relates to a quick supporting device of underground coal chute. BACKGROUND

[0002] The coal chute (or gangue chute) is a inclined shaft for coal (or gangue) in mining, is named because of small diameter, is a kind of chute in essence, mainly used to improve ore conveying efficiency, and can crush ore to a certain extent;

[0003] The maximum diameter of coal chute or gangue chute in underground tunneling working face of coal mine is only 1.2m by using reverse drilling, and it is difficult to reinforce the hole by artificial, so the hole is not reinforced in general, which is easy to collapse in use process, resulting in the blockage of coal chute or gangue chute, and it is extremely difficult to deal with the small hole after blocking, and the hole may be scrapped and cannot be used in the most serious case, therefore, the utility model provides a quick supporting device of underground coal chute to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a quick supporting device of underground coal chute, which is convenient and quick to support, and the diameter of the coal chute does not need to be enlarged, thereby saving the engineering cost and reducing the engineering construction period.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a quick supporting device of underground coal chute, including cylindrical well wall and winch, the cylindrical well wall is provided with multiple groups, and the upper and lower ends of each group of cylindrical well wall are provided with flanges, adjacent cylindrical well walls are connected through flanges, the cylindrical well wall is used for inserting into the coal chute, the winch is provided with two groups, and the winch is arranged in the inside of roadway, and two groups of winches are respectively located at both sides of the coal chute position;

[0006] One side of the flange is provided with a stable steel wire rope hole, and two groups of winches are connected with steel wire ropes, the steel wire ropes pass through the stable steel wire rope hole, a U-shaped buckle is inserted on the flange outside the stable steel wire rope hole, and the U-shaped buckle is used for limiting the steel wire rope, and a fixing piece is arranged below the lower end of the flange, and the lower end of the steel wire rope is connected with the fixing piece.

[0007] Further improvement lies in that: two sides of the top of the inside of the roadway are rotatably provided with fixed pulleys, and the steel wire ropes on both sides pass through two groups of fixed pulleys to the stable steel wire rope hole.

[0008] Further improvement lies in that: the flange and the cylindrical well wall are welded and fixed.

[0009] Further improvement lies in that the edge of the flange is provided with bolt holes, and the bolt holes are provided with multiple groups, and the adjacent two groups of the flanges are fixed through bolt holes matched with fastening bolts.

[0010] Further improvement lies in that the fixing member comprises a screw head and a nut, the screw head is arranged below the flange at the lower end, the nut is arranged on the outer side of the screw head in a threaded mode, and the lower end of the steel wire rope is clamped between the screw head and the nut.

[0011] Further improvement lies in that the cylindrical well wall is a steel plate roll, and the thickness of the cylindrical well wall is 1-1.5 mm.

[0012] The utility model discloses the beneficial effects are:

[0013] 1. The utility model discloses a cylindrical well wall as the main body, and the steel wire rope is limited in the stable steel wire rope hole of the cylindrical well wall through the U-shaped buckle, the adjacent cylindrical well wall is connected through the flange, and the lower end of the cylindrical well wall is reserved with the fixing member on the flange to fix the lower end of the steel wire rope, which can be lowered into the coal chute through the winch and the steel wire rope, and the whole function can be completed after pouring the concrete, which is convenient and fast to support, the diameter of the coal chute does not need to be expanded, the engineering cost is saved, and the construction period is reduced.

[0014] 2. The utility model effectively solves the hole collapse and hole blocking phenomenon of the coal chute in the use process, reduces the maintenance phenomenon caused by the hole collapse and hole blocking, solves the drawbacks of the hole scrap, and can be prefabricated on the ground before use, which is convenient to assemble, reduces the on-site operation time, improves the accuracy of the device, saves the underground operation space, and has the advantages of simple structure, convenient operation, high efficiency, high safety, high reliability, high accuracy, high stability, high practicability, high economic efficiency and the like. DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the flange schematic view of the utility model.

[0017] Wherein: 1, cylindrical well wall; 2, winch; 3, coal chute; 4, roadway; 5, flange; 6, stable steel wire rope hole; 7, steel wire rope; 8, U-shaped buckle; 9, fixed pulley; 10, bolt hole; 11, fastening bolt; 12, screw head; 13, nut. CONCRETE IMPLEMENTATION

[0018] In order to deepen the understanding of the utility model, the utility model will be further described in combination with examples below, and the present embodiment is only used to explain the utility model, and does not constitute the limitation to the protection scope of the utility model.

[0019] Example one

[0020] According toFigure 1 、 2 As shown in FIGS. 1-8, the embodiment provides a quick supporting device for coal chute, which comprises a cylindrical wall 1 and a winch 2, the cylindrical wall 1 is provided with multiple groups, and the upper and lower ends of each group of the cylindrical wall 1 are provided with flanges 5, adjacent cylindrical walls 1 are connected through the flanges 5, the cylindrical wall 1 is used for inserting into the coal chute 3, and the winch 2 is provided with two groups and is arranged inside the roadway 4, and the two groups of winches 2 are respectively located at the two sides of the coal chute 3.

[0021] One side of the flange 5 is provided with a stable steel wire hole 6, the two groups of winches 2 are connected with steel wires 7, the steel wires 7 pass through the stable steel wire hole 6, the flange 5 at the outside of the stable steel wire hole 6 is provided with a U-shaped buckle 8, and the U-shaped buckle 8 is used for limiting the steel wire 7, and the lower end of the flange 5 is provided with a fixing part, and the lower end of the steel wire 7 is connected with the fixing part. When in use, the cylindrical wall 1 is used as the main body, the steel wire 7 is limited in the stable steel wire hole 6 of the cylindrical wall 1 by the U-shaped buckle 8, the adjacent cylindrical walls 1 are connected with each other through the flanges 5, the lower end of the cylindrical wall 1 is reserved with the fixing part on the flange 5 to fix the lower end of the steel wire 7, and the cylindrical wall 1 can be lowered into the coal chute 3 by the winch 2 and the steel wire 7, and the function can be completed after the pouring of the concrete, which is convenient and quick to support, the diameter of the coal chute 3 does not need to be expanded, the engineering cost is saved, and the construction period is reduced.

[0022] Both sides of the top inside of the roadway 4 are rotatably provided with fixed pulleys 9, and the two groups of steel wires 7 pass through the two groups of fixed pulleys 9 to the stable steel wire hole 6. When in use, the cylindrical wall 1 can be lowered into the coal chute 3 by the winch 2 and the steel wire 7 passing through the fixed pulley 9, and the function can be completed after the pouring of the concrete, which is convenient and quick to support.

[0023] The flange 5 is welded and fixed with the cylindrical wall 1. The edge of the flange 5 is provided with a bolt hole 10, and the bolt hole 10 is provided with multiple groups, and the adjacent two groups of flanges 5 are fixed through the bolt hole 10 and the cooperation of the fastening bolts 11. When in use, the adjacent cylindrical walls 1 are combined through the flanges 5, the bolt holes 10 of the adjacent flanges 5 are corresponded, and then the fastening bolts 11 and nut rings are installed through the bolt holes 10 to be fixed.

[0024] The fixing part comprises a screw head 12 and a nut 13, the screw head 12 is arranged below the lower end of the flange 5, the outside of the screw head 12 is threadedly installed with the nut 13, and the lower end of the steel wire 7 is clamped between the screw head 12 and the nut 13. When in use, the lower end of the steel wire 7 passes through the lowermost stable steel wire hole 6, is limited by the U-shaped buckle 8, and then is installed with the nut 13 outside the screw head 12 to fix the lower end of the steel wire 7.

[0025] Embodiment Two

[0026] According to Figure 1 、 2 The embodiment proposes a quick supporting device for coal chute, which comprises a cylindrical wall 1 and a winch 2. The cylindrical wall 1 is provided with multiple groups, and the upper and lower ends of each group of the cylindrical wall 1 are provided with flanges 5. Adjacent cylindrical walls 1 are connected through the flanges 5. The cylindrical wall 1 is used for inserting into the coal chute 3. The winch 2 is provided with two groups, and the winch 2 is arranged inside the roadway 4. The two groups of winches 2 are respectively located at the two sides of the coal chute 3.

[0027] One side of the flange 5 is provided with a stable steel wire hole 6. The two groups of winches 2 are connected with steel wires 7. The steel wire 7 passes through the stable steel wire hole 6. The flange 5 at the outside position of the stable steel wire hole 6 is provided with a U-shaped buckle 8, and the U-shaped buckle 8 is used for limiting the steel wire 7. The lower end of the flange 5 is provided with a fixing part, and the lower end of the steel wire 7 is connected with the fixing part. In use, the cylindrical wall 1 is used as the main body. The steel wire 7 is limited in the stable steel wire hole 6 of the cylindrical wall 1 by the U-shaped buckle 8. The adjacent cylindrical walls 1 are connected with each other through the flanges 5. The lower end of the cylindrical wall 1 is fixed with the lower end of the steel wire 7 through the fixing part reserved on the flange 5. The cylindrical wall 1 can be lowered into the coal chute 3 by the winch 2 and the steel wire 7. After being fixed, the concrete is poured to complete all functions. The diameter of the coal chute 3 does not need to be expanded, which saves the engineering cost and reduces the engineering construction period.

[0028] The flange 5 is welded and fixed with the cylindrical wall 1. The edge of the flange 5 is provided with a bolt hole 10, and the bolt hole 10 is provided with multiple groups. The adjacent two groups of flanges 5 are fixed through the bolt hole 10 and the fastening bolt 11. In use, the adjacent cylindrical walls 1 are combined with each other through the flanges 5, so that the bolt holes 10 of the adjacent flanges 5 are corresponded, and then the fastening bolt 11 and the nut ring are installed through the bolt hole 10 to be fixed.

[0029] The cylindrical wall 1 is a steel plate roll, and the thickness of the cylindrical wall 1 is 1mm. The cylindrical wall 1 is welded from a 1mm steel plate roll, which is more firm, corrosion-resistant and durable.

[0030] The quick supporting device of the underground coal chute uses the cylindrical wall 1 as the main body, the steel wire rope 7 is limited in the stable steel wire rope hole 6 of the cylindrical wall 1 by the U-shaped buckle 8, the adjacent cylindrical walls 1 are connected by the flanges 5, the lower end of the cylindrical wall 1 is fixed with the lower end of the steel wire rope 7 by the reserved fixing part on the flange 5, the cylindrical wall 1 is lowered into the coal chute 3 by the winch 2 and the steel wire rope 7, the whole function is completed by pouring the concrete after fixing, the supporting is convenient and quick, the diameter of the coal chute 3 does not need to be expanded, the engineering cost is saved, and the construction period is reduced. The product effectively solves the hole collapse and hole blocking phenomenon of the coal chute 3 in the use process, reduces the maintenance phenomenon caused by the hole collapse and hole blocking, solves the disadvantages of the hole scrap, and can be prefabricated on the ground before use, is convenient to assemble, reduces the on-site operation time, improves the accuracy of the device, saves the underground operation space, and the like.

[0031] The basic principle, main features and advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick support device for a coal chute in a mine, comprising a cylindrical wall (1) and a winch (2), characterized in that: The cylinder wall (1) is provided with multiple groups, and the upper and lower ends of each group of the cylinder wall (1) are provided with flanges (5), adjacent cylinder walls (1) are connected through flanges (5), the cylinder wall (1) is used for inserting into the coal chute (3), the winch (2) is provided with two groups, and the winch (2) is arranged in the inside of the roadway (4), and the two groups of winches (2) are respectively located at the two sides of the coal chute (3); One side of the flange (5) is provided with a stable steel wire hole (6), two groups of the winch (2) are connected with the steel wire (7), the steel wire (7) passes through the stable steel wire hole (6), the flange (5) at the outside of the stable steel wire hole (6) is provided with a U-shaped buckle (8), and the U-shaped buckle (8) is used for limiting the steel wire (7), the lower end of the flange (5) is provided with a fixing part, and the lower end of the steel wire (7) is connected with the fixing part.

2. The quick supporting device for the coal falling eyes in the mine shaft according to claim 1, characterized in that: The two sides of the top of the inside of the roadway (4) are rotatably provided with fixed pulleys (9), and the two groups of steel wires (7) pass through the two groups of fixed pulleys (9) to the stable steel wire hole (6).

3. The quick supporting device for the coal falling eyes in the mine shaft according to claim 1, characterized in that: The flange (5) and the cylinder wall (1) are welded and fixed.

4. The quick supporting device for the coal falling eyes in the mine according to claim 3, characterized in that: The edge of the flange (5) is provided with a bolt hole (10), and the bolt hole (10) is provided with multiple groups, and the adjacent two groups of flanges (5) are fixed through the bolt hole (10) and the cooperation of the fastening bolt (11).

5. The quick supporting device for the coal falling eyes in the mine according to claim 1, characterized in that: The fixing part comprises a screw head (12) and a nut (13), the screw head (12) is arranged below the lower end of the flange (5), the outer side of the screw head (12) is provided with a nut (13), and the lower end of the steel wire (7) is clamped between the screw head (12) and the nut (13).

6. The quick support device for a coal-drawing gate according to any one of claims 1-5, characterized in that: The cylinder wall (1) is a steel plate roll, and the thickness of the cylinder wall (1) is 1-1.5mm.

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