A combined support device for surrounding rock of coal roadway

Abstract

The utility model discloses a combined support device for coal tunnel surrounding rock, and relates to the technical field of coal tunnel surrounding rock support. It comprises a first rectangular tube, two of which are arranged on the left and right sides, and an adjustment mechanism is arranged on each of the first rectangular tubes, and a second rectangular tube is fixedly installed on each of the adjustment mechanisms, and a mounting block is arranged on the side of the second rectangular tube away from the first rectangular tube near the lower side, and a roller is installed on the lower surface of the mounting block near the front and rear positions, and a hinge is arranged on the side of the second rectangular tube away from the first rectangular tube near the upper edge, and a cross plate is fixedly installed on the hinge, and the left and right cross plates are connected by a first connection mechanism, and a telescopic mechanism is arranged on the upper surface of the cross plate near the left and right positions. The utility model installs and splices the support device in a combined manner, reduces the volume and weight of a single component, facilitates transportation in the tunnel, and has high disassembly and assembly efficiency, can meet the use of tunnel support of various specifications, and has strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of coal tunnel surrounding rock support, in particular to a combined supporting device for coal tunnel surrounding rock. Background Art

[0002] In the process of coal mining, due to the complexity and variability of surrounding rock conditions, my country's coal mines are mainly mined underground, and a large number of tunnels need to be excavated underground. In order to ensure the smooth flow of the tunnels and the stability of the surrounding rock, tunnel support is generally adopted. The basic purpose of tunnel support is to ease and reduce the movement of the surrounding rock, so that the tunnel section will not be excessively reduced, and at the same time prevent the scattered and damaged surrounding rock from falling.

[0003] In the prior art, traditional coal roadway surrounding rock support devices are mostly fixedly connected, resulting in a large volume, making it inconvenient to carry the support device in the roadway, which is time-consuming and labor-intensive. In addition, the fixed structure of the coal roadway surrounding rock support device cannot be adjusted according to the specific structure of the roadway, making it difficult to meet the use of roadways of various specifications and having poor practicality. Utility Model Content

[0004] The utility model provides a combined supporting device for surrounding rocks of a coal tunnel to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined support device for coal roadway surrounding rock, comprising a first rectangular tube, two of the first rectangular tubes are arranged on the left and right, and the side surfaces and upper surfaces of the opposite surfaces of the left and right first rectangular tubes are both open structures, an adjustment mechanism is arranged on the first rectangular tube, a second rectangular tube is fixedly installed on the adjustment mechanism, a mounting block is arranged on the side of the second rectangular tube away from the first rectangular tube near the lower side, a roller is installed on the lower surface of the mounting block near the front and rear positions, a hinge is arranged on the side of the second rectangular tube away from the first rectangular tube near the upper edge, a cross plate is fixedly installed on the hinge, and the left and right cross plates are connected by a first connecting mechanism, a telescopic mechanism is arranged on the upper surface of the cross plate near the left and right positions, an arc plate is fixedly installed on the upper surface of the telescopic mechanism, and the left and right arc plates are connected by a second connecting mechanism.

[0006] Furthermore, the adjustment mechanism includes a manual linear module, a rectangular opening and a limit block. The manual linear module is fixedly installed on the lower inner wall of the first rectangular tube. Rectangular openings are opened on the front and rear side walls of the first rectangular tube corresponding to the manual linear module handle. The upper surface of the manual linear module slide is fixedly connected to the lower surface of the second rectangular tube. The limit block is fixedly installed on the upper surface of the manual linear module screw.

[0007] Furthermore, the inner wall of the first rectangular tube is movably fitted with the outer surface of the second rectangular tube, and a limit frame is fixedly installed near the lower side of the inner wall of the first rectangular tube.

[0008] Furthermore, an elastic block is provided on the second rectangular tube at a position corresponding to the transverse plate.

[0009] Furthermore, the first connecting mechanism includes a rectangular groove, a connecting plate, a locking bolt and a long hole. The cross plates are provided with rectangular grooves facing each other, and a connecting plate is provided between the left and right rectangular grooves. The connecting plate is locked and fixed to the cross plate by a locking bolt. The cross plate corresponding to the locking bolt is provided with a long hole. The second connecting mechanism has the same structure as the first connecting mechanism.

[0010] Furthermore, the telescopic mechanism includes a mounting block and a telescopic component, the mounting block is buckled and mounted on the horizontal plate, the telescopic component is fixedly mounted on the upper surface of the mounting block, and the upper surface of the telescopic component is fixedly connected to the lower surface of the arc plate.

[0011] Compared with the prior art, the utility model provides a combined support device for surrounding rock of coal tunnel, which has the following beneficial effects:

[0012] The combined support device for coal roadway surrounding rock is provided with two first rectangular tubes and a second rectangular tube on the left and right, and a cross plate is hingedly installed on the second rectangular tube, and a telescopic mechanism is installed on a block on the cross bar, and an arc plate is fixedly installed on the upper surface of the telescopic mechanism. The support device is installed and spliced ​​in a combined manner, which reduces the volume and weight of a single component, facilitates transportation in the roadway, and has high disassembly and assembly efficiency, can meet the needs of supporting roadways of various specifications, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model.

[0015] In the figure: 1. first rectangular tube; 2. adjustment mechanism; 201. manual linear module; 202. rectangular opening; 203. limit block; 3. second rectangular tube; 4. mounting block; 5. roller; 6. hinge; 7. cross plate; 8. first connecting mechanism; 801. rectangular groove; 802. connecting plate; 803. locking bolt; 804. long hole; 9. telescopic mechanism; 901. mounting block; 902. telescopic assembly; 10. arc plate; 11. second connecting mechanism; 12. limit frame; 13. elastic block. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1 and Figure 2 The utility model discloses a combined supporting device for surrounding rock of coal tunnel, comprising a first rectangular tube 1, two of which are arranged on the left and right sides, and the side surfaces and upper surfaces of the opposite surfaces of the left and right first rectangular tubes 1 are both open structures, an adjusting mechanism 2 is arranged on the first rectangular tube 1, a second rectangular tube 3 is fixedly installed on the adjusting mechanism 2, a mounting block 4 is arranged near the lower side of the side of the second rectangular tube 3 away from the first rectangular tube 1, a roller 5 is installed near the front and rear positions on the lower surface of the mounting block 4, a hinge 6 is arranged near the upper edge of the side of the second rectangular tube 3 away from the first rectangular tube 1, a cross plate 7 is fixedly installed on the hinge 6, and the left and right cross plates 7 are connected by a first connecting mechanism 8, a telescopic mechanism 9 is arranged near the left and right positions on the upper surface of the cross plate 7, an arc plate 10 is fixedly installed on the upper surface of the telescopic mechanism 9, and the left and right arc plates 10 are connected by a second connecting mechanism 11.

[0018] Specifically, the adjustment mechanism 2 includes a manual linear module 201, a rectangular opening 202 and a limit block 203. The manual linear module 201 is fixedly installed on the lower inner wall of the first rectangular tube 1. A rectangular opening 202 is opened on the front and rear side walls of the first rectangular tube 1 corresponding to the handle of the manual linear module 201. The upper surface of the slide of the manual linear module 201 is fixedly connected to the lower surface of the second rectangular tube 3. The limit block 203 is fixedly installed on the upper surface of the screw rod of the manual linear module 201.

[0019] In this embodiment, the rectangular opening 202 is convenient for inserting the hand, and the handle of the manual linear module 201 is rotated so that the manual linear module 201 screw rod drives the slide to move up and down, and the manual linear module 201 slide drives the second rectangular tube 3 to move up and down along the first rectangular tube 1, so as to achieve the effect of adjusting the height of the cross plate 7, and the limit block 203 prevents the manual linear module 201 slide from falling off the screw rod.

[0020] Specifically, the inner wall of the first rectangular tube 1 is movably fitted with the outer surface of the second rectangular tube 3 , and a limiting frame 12 is fixedly installed near the lower side of the inner wall of the first rectangular tube 1 .

[0021] In this embodiment, the second rectangular tube 3 stably moves up and down along the first rectangular tube 1, and the limiting frame 12 limits the lower surface of the second rectangular tube 3 to avoid falling off.

[0022] Specifically, an elastic block 13 is provided on the second rectangular tube 3 at a position corresponding to the transverse plate 7 .

[0023] In this embodiment, the elastic clamping block 13 is buckled to fix the transverse plate 7 so that the transverse plate 7 is vertically attached to the second rectangular tube 3 .

[0024] Specifically, the first connecting mechanism 8 includes a rectangular groove 801, a connecting plate 802, a locking bolt 803 and a long hole 804. The cross plates 7 are provided with rectangular grooves 801 facing each other, and a connecting plate 802 is provided between the left and right rectangular grooves 801. The connecting plate 802 is locked and fixed to the cross plate 7 by a locking bolt 803. The cross plate 7 corresponding to the locking bolt 803 is provided with a long hole 804. The second connecting mechanism 11 has the same structure as the first connecting mechanism 8.

[0025] In this embodiment, the locking bolt 803 is loosened or tightened, so that the connecting plate 802 moves left and right in the rectangular groove 801 in the left and right transverse plates 7, so that the length of the left and right transverse plates 7 and the connecting plate 802 meets the use requirements of the tunnel length, and the long hole 804 facilitates the locking bolt 803 to move left and right.

[0026] Specifically, the telescopic mechanism 9 includes a mounting block 901 and a telescopic component 902 . The mounting block 901 is buckled and installed on the horizontal plate 7 . The telescopic component 902 is fixedly installed on the upper surface of the mounting block 901 . The upper surface of the telescopic component 902 is fixedly connected to the lower surface of the arc plate 10 .

[0027] In this embodiment, the cross-section of the mounting block 901 is an inverted U-shaped structure, so that the mounting block 901 is snap-fitted onto the horizontal plate 7, thereby achieving the effect of installing the arc plate 10 on the upper surface of the telescopic component 902. The telescopic component 902 consists of a first sleeve, a second sleeve, a pin shaft and a pin hole assembly. The second sleeve moves up and down in the first sleeve, and the length of the telescopic component 902 is adjusted by inserting the pin shaft into the pin holes at different heights.

[0028] When in use, the left and right first rectangular tubes 1 and the left and right curved plates 10 are moved to the positions where they need to be installed in the coal lane through the brake rollers 5 on the lower surface of the mounting block 4, so that the left and right cross plates 7 are rotated into a horizontal state through the hinges 6, and the left and right cross plates 7 are inserted into the left and right rectangular grooves 801 through the connecting plates 802 in the first connecting mechanism 8, and the locking bolts 803 are loosened and tightened to make the connecting plates 802 move left and right in the rectangular grooves 801 in the left and right cross plates 7, and the connecting plates 802 are locked and fixed with the cross plates 7 so that the lengths of the left and right cross plates 7 and the connecting plates 802 meet the use requirements of the lane length, and then the mounting block 901 in the telescopic mechanism 9 is buckled and installed on the cross plate 7 to achieve the effect of installing the curved plate 10 on the upper surface of the telescopic component 902, and the telescopic component 902 drives the curved plate 10 to move up and down, and the left and right curved plates 10 It is connected through the second connecting mechanism 11, at this time, the first rectangular tube 1 is pressed against the left and right inner walls of the coal lane, and then the hand is inserted through the rectangular opening 202 in the adjusting mechanism 2 to facilitate the insertion of the hand, and the handle of the manual linear module 201 is rotated to make the manual linear module 201 screw drive the slide to move upward, and the manual linear module 201 slide drives the second rectangular tube 3 to move upward along the first rectangular tube 1, and the second rectangular tube 3 drives the cross plate 7 to move upward through the hinge 6, and the cross plate 7 drives the arc plate 10 to move upward through the telescopic mechanism 9, so that the arc plate 10 is supported on the top of the coal lane, and vice versa, the supporting device can be disassembled, and the supporting device can be installed and spliced ​​in a combined manner to reduce the volume and weight of a single component, which is convenient for transportation in the lane, and the disassembly and assembly efficiency is high, which can meet the use of lane supports of various specifications and has strong practicality.

[0029] In summary, the combined support device for the surrounding rock of the coal roadway is installed and spliced ​​in a combined manner, which reduces the volume and weight of a single component, facilitates transportation in the roadway, and has high disassembly and assembly efficiency. It can meet the use of roadway supports of various specifications and is highly practical.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A combined support device for surrounding rock of a coal roadway, comprising a first rectangular tube (1), characterized in that: Two first rectangular tubes (1) are arranged on the left and right sides, and the side surfaces and upper surfaces of the opposite surfaces of the left and right first rectangular tubes (1) are both open structures. The first rectangular tubes (1) are each provided with an adjustment mechanism (2), and a second rectangular tube (3) is fixedly mounted on the adjustment mechanism (2). A mounting block (4) is arranged near the lower side of the side of the second rectangular tube (3) away from the first rectangular tube (1), and a roller (5) is mounted on the lower surface of the mounting block (4) near the front and rear positions. A hinge (6) is arranged near the upper edge of the side of the second rectangular tube (3) away from the first rectangular tube (1), and a horizontal plate (7) is fixedly mounted on the hinge (6), and the left and right horizontal plates (7) are connected via a first connection mechanism (8). A telescopic mechanism (9) is arranged near the left and right positions of the upper surface of the horizontal plate (7), and an arc plate (10) is fixedly mounted on the upper surface of the telescopic mechanism (9), and the left and right arc plates (10) are connected via a second connection mechanism (11).

2. The combined support device for surrounding rock of coal roadway according to claim 1, characterized in that: The adjustment mechanism (2) comprises a manual linear module (201), a rectangular opening (202) and a limit block (203); the manual linear module (201) is fixedly mounted on the lower inner wall of the first rectangular tube (1); a rectangular opening (202) is provided on the front and rear side walls of the first rectangular tube (1) corresponding to the handle of the manual linear module (201); the upper surface of the slide table of the manual linear module (201) is fixedly connected to the lower surface of the second rectangular tube (3); and the limit block (203) is fixedly mounted on the upper surface of the lead screw of the manual linear module (201).

3. The combined support device for surrounding rock of coal roadway according to claim 1, characterized in that: The inner wall of the first rectangular tube (1) is movably fitted to the outer surface of the second rectangular tube (3), and a limit frame (12) is fixedly installed near the lower side of the inner wall of the first rectangular tube (1).

4. The combined support device for surrounding rock of coal roadway according to claim 1, characterized in that: An elastic clamping block (13) is provided on the second rectangular tube (3) at a position corresponding to the transverse plate (7).

5. The combined support device for surrounding rock of coal roadway according to claim 1, characterized in that: The first connecting mechanism (8) comprises a rectangular groove (801), a connecting plate (802), a locking bolt (803) and an elongated hole (804); the rectangular grooves (801) are provided on the transverse plates (7) facing each other, and a connecting plate (802) is provided between the left and right rectangular grooves (801); the connecting plate (802) is locked and fixed to the transverse plate (7) by means of a locking bolt (803); the transverse plate (7) corresponding to the locking bolt (803) is provided with an elongated hole (804); and the second connecting mechanism (11) has the same structure as the first connecting mechanism (8).

6. The combined support device for surrounding rock of coal roadway according to claim 1, characterized in that: The telescopic mechanism (9) comprises a mounting block (901) and a telescopic assembly (902); the mounting block (901) is buckled and mounted on the transverse plate (7); the telescopic assembly (902) is fixedly mounted on the upper surface of the mounting block (901); and the upper surface of the telescopic assembly (902) is fixedly connected to the lower surface of the arc plate (10).

Images