Roadway anchor rod supporting device

Abstract

The utility model provides a roadway anchor rod supporting device and relates to the technical field of coal mine supporting, the roadway anchor rod supporting device comprises a mounting cylinder and an anchor rod, the anchor rod can be inserted into the mounting cylinder, a first fixing assembly is arranged on the front portion of the mounting cylinder, a second fixing assembly is arranged in the middle of the mounting cylinder, and a third fixing assembly is arranged on the rear portion of the mounting cylinder; the first fixing assembly comprises a sliding block, a first inserting rod and a first spring, the sliding block is arranged in the mounting cylinder in a sliding mode, the first inserting rod is fixedly arranged on the sliding block, the first inserting rod can penetrate out of the front end of the mounting cylinder, and the first spring is pre-pressed between the sliding block and the mounting cylinder; the device is easy to install and operate, time and labor are saved, the first fixing assembly, the second fixing assembly and the third fixing assembly cooperate to fix the front portion, the middle portion and the rear portion of the installation cylinder, the anchor rod is firmly installed, and the use stability is improved.

Description

Technical Field

[0001] The present application relates to the technical field of coal mine support, and in particular to a tunnel anchor support device. Background Art

[0002] Anchor rods are the most basic component of tunnel support in modern coal mines. They reinforce the surrounding rock of the tunnel so that the surrounding rock can support itself. Anchor rods are not only used in mines, but also in engineering technology to reinforce slopes, tunnels, and dam bodies. The installation and operation of existing anchor rod support devices are relatively complicated. When large-scale installation of coal mine tunnel support structures is carried out, the operation time of installing anchor rods is long, time-consuming and labor-intensive. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a tunnel anchor support device, which can solve the technical problems that the installation operation of the existing anchor support device is relatively complicated, and the installation operation time is long and time-consuming and labor-intensive when the coal mine tunnel support structure is installed on a large scale.

[0004] An embodiment of the present application provides a tunnel anchor support device, including a mounting tube and an anchor, wherein the anchor can be inserted into the mounting tube, a first fixing component is provided at the front of the mounting tube, a second fixing component is provided at the middle of the mounting tube, and a third fixing component is provided at the rear of the mounting tube.

[0005] Wherein, the installation tube is provided with an internal thread, the anchor rod is provided with an external thread, and the anchor rod is threadedly matched with the installation tube.

[0006] Among them, the first fixing component includes a slider, a first plug and a first spring, the slider is slidably set in the installation tube, the first plug is fixedly set on the slider, and the first plug can pass through the front end of the installation tube, and the first spring is pre-stressed between the slider and the installation tube.

[0007] Among them, the second fixing component includes a rotating plate, a second plug rod and a second spring. The rotating plate is rotatably set in the installation tube. The second plug rod is fixedly set on the rotating plate, and the second plug rod can pass through the side end of the installation tube. The second spring is pre-stressed between the rotating plate and the installation tube.

[0008] Among them, the third fixing component includes a first ring, a first limit block and a third insertion rod, the first ring is slidably mounted on the rear part of the mounting tube, the first limit block and the third insertion rod are fixedly mounted on the first ring, the mounting tube is provided with a first limit groove, the first limit block is slidably connected with the first limit groove, and the second ring is fixedly mounted on the anchor rod, and the second ring can abut against the first ring.

[0009] Wherein, an arc-shaped groove is provided on the sliding block, and an arc-shaped block is fixedly provided on the anchor rod, and the arc-shaped block is used in conjunction with the arc-shaped groove.

[0010] Wherein, the second fixing components may be provided in plurality, and the plurality of the second fixing components are staggeredly arranged on the mounting tube.

[0011] Wherein, a connecting block is fixedly provided on the second sleeve ring, a second limiting block is fixedly provided on the connecting block, a second limiting groove is opened on the first sleeve ring, and the second limiting block is slidingly connected with the second limiting groove.

[0012] Wherein, a handle is fixedly arranged on the anchor rod.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a tunnel anchor support device. When in use, a mounting hole is drilled in the inner wall of the tunnel in advance, and the soil in the mounting hole is discharged. Then the mounting tube is inserted into the mounting hole, and then the anchor is inserted into the mounting tube. At this time, the first fixing component, the second fixing component, and the third fixing component cooperate to fix the mounting tube and the anchor in the mounting hole. The device is easy to install and operate, saves time and effort, and the first fixing component, the second fixing component, and the third fixing component cooperate to fix the front, middle, and rear of the mounting tube, so that the anchor is firmly installed and the stability in use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic cross-sectional structural diagram of the connection between the anchor rod and the installation tube in some embodiments of the present application;

[0017] Figure 2 It is a schematic cross-sectional structural diagram of the installation cylinder in some embodiments of the present application;

[0018] Figure 3 This is a schematic diagram of the structure of the anchor rod in some embodiments of the present application.

[0019] The reference numerals are:

[0020] 1. Installation tube; 11. First limiting groove;

[0021] 2. Anchor rod; 21. Second ring; 22. Arc block; 23. Connecting block; 24. Second limiting block; 25. Handle;

[0022] 3. First fixing assembly; 31. Sliding block; 32. First plug rod; 33. First spring; 34. Arc groove;

[0023] 4. second fixing assembly; 41. rotating plate; 42. second plug rod; 43. second spring;

[0024] 5. The third fixing assembly; 51. The first ring; 52. The first limiting block; 53. The third inserting rod; 54. The second limiting groove. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0030] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] like Figures 1 to 3 As shown, an embodiment of the present application provides a tunnel anchor support device, including a mounting tube 1 and an anchor 2, the anchor 2 can be inserted into the mounting tube 1, a first fixing component 3 is arranged at the front of the mounting tube 1, a second fixing component 4 is arranged at the middle of the mounting tube 1, and a third fixing component 5 is arranged at the rear of the mounting tube 1.

[0032] When in use, a mounting hole is drilled in the inner wall of the tunnel in advance, and the soil in the mounting hole is drained, and then the mounting tube 1 is inserted into the mounting hole, and then the anchor rod 2 is inserted into the mounting tube 1. At this time, the first fixing component 3, the second fixing component 4, and the third fixing component 5 cooperate to fix the mounting tube 1 and the anchor rod 2 in the mounting hole; the device is easy to install and operate, saving time and effort, and the first fixing component 3, the second fixing component 4, and the third fixing component 5 cooperate to fix the front, middle, and rear of the mounting tube 1, so that the anchor rod 2 is firmly installed and the stability of use is improved.

[0033] like Figures 1 to 3 As shown, in this embodiment, an internal thread is provided in the mounting tube 1, and an external thread is provided on the anchor rod 2, and the anchor rod 2 is threadedly matched with the mounting tube 1; when in use, the anchor rod 2 is inserted into the mounting tube 1 and rotated, and under the threaded cooperation between the anchor rod 2 and the mounting tube 1, the anchor rod 2 is gradually inserted into the mounting tube 1.

[0034] like Figures 1 to 3 As shown, in this embodiment, the first fixing component 3 includes a slider 31, a first plug rod 32 and a first spring 33. The slider 31 is slidably disposed in the mounting tube 1, the first plug rod 32 is fixedly disposed on the slider 31, and the first plug rod 32 can pass through the front end of the mounting tube 1, and the first spring 33 is pre-stressed between the slider 31 and the mounting tube 1.

[0035] Under the elastic force of the first spring 33, the initial state of the first insertion rod 32 is to be retracted in the installation tube 1. When in use, the anchor rod 2 is gradually inserted into the installation tube 1. When the anchor rod 2 is inserted to the front end of the installation tube 1, the anchor rod 2 pushes the slider 31 to move, and the slider 31 drives the first insertion rod 32 to extend out of the front end of the installation tube 1 and insert into the inner wall of the tunnel, thereby fixing the installation tube 1 and the front of the anchor rod 2.

[0036] like Figures 1 to 3 As shown, in this embodiment, the second fixing assembly 4 includes a rotating plate 41, a second plug rod 42 and a second spring 43. The rotating plate 41 is rotatably disposed in the mounting tube 1, the second plug rod 42 is fixedly disposed on the rotating plate 41, and the second plug rod 42 can pass through the side end of the mounting tube 1, and the second spring 43 is pre-stressed between the rotating plate 41 and the mounting tube 1.

[0037] Under the elastic force of the second spring 43, the initial state of the second insertion rod 42 is to be retracted in the installation tube 1. When in use, the anchor rod 2 is gradually inserted into the installation tube 1. When the anchor rod 2 is inserted to the middle of the installation tube 1, the anchor rod 2 pushes the rotating plate 41 to rotate, and the rotating plate 41 drives the second insertion rod 42 to extend out of the side end of the installation tube 1 and insert into the inner wall of the tunnel, so that the installation tube 1 and the anchor rod 2 are fixed in the installation hole, and the middle of the installation tube 1 and the anchor rod 2 are fixed.

[0038] like Figures 1 to 3 As shown, in this embodiment, the third fixing component 5 includes a first ring 51, a first limit block 52 and a third plug rod 53. The first ring 51 is slidably mounted on the rear portion of the mounting tube 1. The first limit block 52 and the third plug rod 53 are fixedly mounted on the first ring 51. The mounting tube 1 is provided with a first limit groove 11. The first limit block 52 is slidably connected to the first limit groove 11. A second ring 21 is fixedly mounted on the anchor rod 2, and the second ring 21 can abut against the first ring 51.

[0039] During use, the anchor rod 2 is gradually inserted into the installation tube 1. When the anchor rod 2 is inserted to the front end of the installation tube 1, the second ring 21 pushes the first ring 51 to move, and the first ring 51 drives the third insertion rod 53 to insert into the inner wall of the tunnel, and fixes the installation tube 1 and the anchor rod 2 in the installation hole, thereby fixing the rear of the installation tube 1 and the anchor rod 2.

[0040] like Figures 1 to 3 As shown, in this embodiment, an arc groove 34 is opened on the slider 31, and an arc block 22 is fixedly provided on the anchor rod 2, and the arc block 22 is used in conjunction with the arc groove 34; the coordinated use of the arc block 22 and the arc groove 34 makes the rotational connection between the anchor rod 2 and the slider 31 more stable and smooth, thereby improving the stability of use.

[0041] like Figure 1 and 2As shown, in this embodiment, a plurality of second fixing components 4 may be provided, and the plurality of second fixing components 4 are staggeredly arranged on the mounting tube 1; the plurality of second fixing components 4 make the installation of the anchor rod 2 more firmly and further improve the stability of use; the staggered plurality of second fixing components 4 can further enhance the installation firmness effect.

[0042] like Figures 1 to 3 As shown, in this embodiment, a connecting block 23 is fixedly provided on the second ring 21, a second limiting block 24 is fixedly provided on the connecting block 23, a second limiting groove 54 is opened on the first ring 51, and the second limiting block 24 is slidingly connected with the second limiting groove 54; the coordinated use of the second limiting block 24 and the second limiting groove 54 makes the rotational connection between the second ring 21 and the first ring 51 more stable and smooth, thereby improving the stability of use.

[0043] like Figure 1 and 3 As shown, a handle 25 is fixedly provided on the anchor rod 2; the handle 25 facilitates the staff to rotate the anchor rod 2, thereby improving the convenience of use.

[0044] Working principle: When the tunnel anchor support device provided by the present application is used, a mounting hole is drilled in advance on the inner wall of the tunnel, the soil in the mounting hole is discharged, and then the mounting tube 1 is inserted into the mounting hole, and then the anchor rod 2 is inserted into the mounting tube 1 and rotated. Under the thread cooperation between the anchor rod 2 and the mounting tube 1, the anchor rod 2 is gradually inserted into the mounting tube 1. When the anchor rod 2 is inserted to the middle of the mounting tube 1, the anchor rod 2 pushes the rotating plate 41 to rotate, and the rotating plate 41 drives the second insertion rod 42 to extend out of the side end of the mounting tube 1 and insert into the inner wall of the tunnel, so as to fix the middle of the mounting tube 1 and the anchor rod 2; When the anchor rod 2 is inserted into the front end of the installation tube 1, the anchor rod 2 drives the arc block 22 to move, and the arc block 22 pushes the slider 31 to move. The slider 31 drives the first insertion rod 32 to extend out of the front end of the installation tube 1 and insert into the inner wall of the tunnel, thereby fixing the front of the installation tube 1 and the anchor rod 2. At the same time, the second ring 21 drives the connecting block 23 to move, and the connecting block 23 pushes the first ring 51 to move. The first ring 51 drives the third insertion rod 53 to insert into the inner wall of the tunnel, thereby fixing the rear of the installation tube 1 and the anchor rod 2. The installation tube 1 and the anchor rod 2 can be fixedly installed in the installation hole.

[0045] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tunnel bolt support device, characterized in that: The invention comprises a mounting tube (1) and an anchor rod (2), wherein the anchor rod (2) can be inserted into the mounting tube (1), a first fixing assembly (3) is arranged at the front of the mounting tube (1), a second fixing assembly (4) is arranged at the middle of the mounting tube (1), and a third fixing assembly (5) is arranged at the rear of the mounting tube (1); The first fixing component (3) comprises a slider (31), a first insertion rod (32) and a first spring (33); the slider (31) is slidably arranged in the installation tube (1); the first insertion rod (32) is fixedly arranged on the slider (31), and the first insertion rod (32) can pass through the front end of the installation tube (1); the first spring (33) is pre-stressed between the slider (31) and the installation tube (1).

2. The tunnel bolt support device according to claim 1, characterized in that: The installation tube (1) is provided with an internal thread, the anchor rod (2) is provided with an external thread, and the anchor rod (2) and the installation tube (1) are threadedly matched.

3. The tunnel bolt support device according to claim 1, characterized in that: The second fixing assembly (4) comprises a rotating plate (41), a second insertion rod (42) and a second spring (43); the rotating plate (41) is rotatably arranged in the installation tube (1); the second insertion rod (42) is fixedly arranged on the rotating plate (41), and the second insertion rod (42) can pass through the side end of the installation tube (1); the second spring (43) is pre-stressed between the rotating plate (41) and the installation tube (1).

4. The tunnel bolt support device according to claim 1, characterized in that: The third fixing assembly (5) comprises a first ring (51), a first limiting block (52) and a third insert rod (53); the first ring (51) is slidably sleeved on the rear part of the mounting tube (1); the first limiting block (52) and the third insert rod (53) are both fixedly arranged on the first ring (51); the mounting tube (1) is provided with a first limiting groove (11); the first limiting block (52) is slidably connected to the first limiting groove (11); a second ring (21) is fixedly sleeved on the anchor rod (2); the second ring (21) can abut against the first ring (51).

5. The tunnel bolt support device according to claim 1, characterized in that: The sliding block (31) is provided with an arc-shaped groove (34), and the anchor rod (2) is fixedly provided with an arc-shaped block (22), and the arc-shaped block (22) is used in conjunction with the arc-shaped groove (34).

6. The tunnel bolt support device according to claim 1, characterized in that: A plurality of the second fixing components (4) may be provided, and the plurality of the second fixing components (4) are staggeredly arranged on the installation tube (1).

7. The tunnel bolt support device according to claim 4, characterized in that: A connecting block (23) is fixedly arranged on the second sleeve ring (21), a second limiting block (24) is fixedly arranged on the connecting block (23), a second limiting groove (54) is opened on the first sleeve ring (51), and the second limiting block (24) is connected to the second limiting groove (54) in a limiting sliding manner.

8. The tunnel bolt support device according to claim 1, characterized in that: A handle (25) is fixedly provided on the anchor rod (2).

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