Detachable tunnel feet-lock anchor pipe positioning tool

Abstract

The utility model relates to the technical field of tunnel preliminary bracing construction, and discloses a detachable tunnel feet-lock anchor pipe positioning tool which comprises a connecting steel plate and is characterized in that a connecting plate is fixedly connected to the outer portion of the connecting steel plate, and two first mounting plates are arranged on the front portion of the connecting plate; second fixing bolts are in threaded connection with the four corners in the first mounting plate, a rotating seat is fixedly connected to the front portion of the first mounting plate, a rotating block is rotationally connected to the interior of the rotating seat, and a second mounting plate is fixedly connected to the right portion of the rotating block. According to the device, the connecting steel plate is arranged on the steel frame, the fixing steel plates on the two sides of the connecting steel plate are fully wrapped, the tail end of the connecting steel plate is locked through the first fixing bolt and the nut, and during drilling construction of the feet-lock anchor pipe, a drill rod of a drilling machine penetrates through the limiting pipes on the two sides of the device to directly drill, so that the drilling precision is guaranteed, and the device can be detached for continuous use after drilling is completed; therefore, the locking anchor pipe can be accurately positioned during drilling.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel initial support construction, in particular to a detachable tunnel locking foot anchor pipe positioning tool. Background Art

[0002] With the progress of modern society and the development of science and technology, people have more and more ways to travel. Since the southwestern region of my country is mostly mountainous, tunnel construction is particularly important. During construction, initial support is an important component of the tunnel structure. Due to different geological conditions such as surrounding rock, the initial support method is different. When constructing the initial support of the soft surrounding rock of the tunnel, steel frames and grid steel frames are mostly used for support. The locking foot anchor pipe is an important part of the support and is an indispensable part of the construction of the tunnel under the geological conditions of soft surrounding rock.

[0003] However, the angle of the existing positioning device is generally fixed, so that the angle at which the locking foot anchor rod is inserted into the rock wall is fixed, and it is impossible to select different angles to insert the anchor rod according to different situations. The applicability is poor, which affects the actual use effect of the anchor rod. Therefore, a detachable tunnel locking foot anchor pipe positioning tool is provided to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a detachable tunnel locking foot anchor pipe positioning tool, which aims to improve the problem that the prior art cannot select different angles to insert the anchor rod according to different situations and has poor applicability.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A detachable tunnel locking foot anchor pipe positioning tool comprises a connecting steel plate, characterized in that: the connecting steel plate is fixedly connected to the outside with a connecting plate, the connecting plate is provided with two first mounting plates at the front part, the internal four corners of the first mounting plate are threadedly connected with fixing bolts 2, the front part of the first mounting plate is fixedly connected with a rotating seat, the internal rotation of the rotating seat is connected with a rotating block, the right part of the rotating block is fixedly connected with a second mounting plate, the internal four corners of the second mounting plate are threadedly connected with fixing bolts 3, the inner side of the second mounting plate is provided with a fixing steel plate, the interior of the fixing steel plate is provided with bolt holes, the interior of the fixing steel plate is provided with a fixing bolt 1, the external surface of the fixing bolt 1 is threadedly connected with a nut, and an adjustment component is provided on the external upper side of the fixing steel plate.

[0007] Furthermore, the adjustment assembly includes a connecting seat, which is arranged on the outer upper side of the fixed steel plate, the rear part of the connecting seat is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the inside of the fixed steel plate, the front part of the connecting seat is fixedly connected to a connecting piece, the front part of the connecting piece is fixedly connected to a limiting tube, the inner sides of the connecting seat are threadedly connected with adjusting bolts, and a limiting hole is opened on the outer upper side of the fixed steel plate.

[0008] Furthermore, the adjusting bolt is threadedly connected inside the limiting hole.

[0009] Furthermore, the fixing bolt is slidably connected inside the bolt hole.

[0010] Furthermore, the second fixing bolt is threadedly connected to the inside of the connecting plate.

[0011] Furthermore, the fixing bolts are three-threadedly connected to the inside of the fixing steel plate.

[0012] Furthermore, the fixed steel plate is rotatably connected to the rear of the connecting steel plate.

[0013] Furthermore, the limiting tube is rotatably connected to the outside of the fixed steel plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the connecting steel plate is placed on the steel frame through the cooperation among the first mounting plate, the connecting plate, the rotating seat, the fixing bolt three, the bolt hole, the fixing bolt one, the nut and the fixing steel plate, and the fixing steel plates on both sides of the connecting steel plate are fully wrapped, and the tail ends thereof are locked by the fixing bolt one and the nut. When drilling holes for the locking foot anchor pipe, the drill rod of the drilling rig passes through the limit pipes on both sides of the device to directly drill holes, thereby ensuring the accuracy of the drilling holes. After the drilling is completed, the hole can be disassembled and continued to be used, thereby achieving accurate positioning of the locking foot anchor pipe during drilling.

[0016] 2. In the utility model, through the cooperation among the connecting seat, the fixed steel plate, the connecting piece, the adjusting bolt, the limiting tube, the rotating shaft and the limiting hole and other structures, when it is necessary to adjust the insertion angle of the locking foot anchor rod, the adjusting bolt is rotated to be turned out from the inside of the connecting seat, and the connecting seat is rotated through the rotating shaft. When it is turned to the specified position, the adjusting bolt is turned into the specified limiting hole for fixing, thereby adjusting the angle of the limiting tube on the connecting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a detachable tunnel locking foot anchor pipe positioning tool proposed by the utility model;

[0018] Figure 2 This is a side view of a detachable tunnel locking foot anchor pipe positioning tool proposed by the utility model;

[0019] Figure 3 A schematic diagram of the internal structure of a detachable tunnel locking foot anchor pipe positioning tooling proposed by the utility model;

[0020] Figure 4 The utility model provides a schematic diagram of the limit tube structure of a detachable tunnel locking foot anchor tube positioning tooling.

[0021] Legend:

[0022] 1. Connecting steel plate; 2. Fixing steel plate; 3. Bolt hole; 4. Fixing bolt one; 5. Nut; 6. Limiting tube; 7. Connecting plate; 8. Limiting hole; 9. First mounting plate; 10. Rotating seat; 11. Second mounting plate; 12. Rotating block; 13. Fixing bolt two; 14. Fixing bolt three; 15. Connecting seat; 16. Rotating shaft; 17. Adjusting bolt; 18. Connecting piece. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1 , Figure 3 and Figure 4 , an embodiment provided by the utility model:

[0025] A detachable tunnel locking foot anchor pipe positioning tool comprises a connecting steel plate 1, the outside of the connecting steel plate 1 is fixedly connected with a connecting plate 7, the front of the connecting plate 7 is provided with two first mounting plates 9, the inner four corners of the first mounting plate 9 are threadedly connected with fixing bolts 2 13, the front of the first mounting plate 9 is fixedly connected with a rotating seat 10, the inner four corners of the rotating seat 10 are rotatably connected with a rotating block 12, the right part of the rotating block 12 is fixedly connected with a second mounting plate 11, the inner four corners of the second mounting plate 11 are threadedly connected with fixing bolts 3 14, the inner side of the second mounting plate 11 is provided with a fixing steel plate 2, and the inner part of the fixing steel plate 2 is provided with a screw Bolt hole 3, a fixing bolt 4 is arranged inside the fixed steel plate 2, a nut 5 is connected to the outer thread of the fixing bolt 4, an adjustment assembly is arranged on the outer upper side of the fixed steel plate 2, the adjustment assembly includes a connecting seat 15, the connecting seat 15 is arranged on the outer upper side of the fixed steel plate 2, a rotating shaft 16 is fixedly connected to the rear of the connecting seat 15, the rotating shaft 16 is rotatably connected to the inside of the fixed steel plate 2, a connecting piece 18 is fixedly connected to the front of the connecting seat 15, a limiting tube 6 is fixedly connected to the front of the connecting piece 18, adjusting bolts 17 are threadedly connected to the inner sides of the connecting seat 15, and a limiting hole 8 is opened on the outer upper side of the fixed steel plate 2;

[0026] The connecting steel plate 1 is placed on the steel frame, and the fixed steel plates 2 on both sides of the connecting steel plate 1 are fully wrapped, and the tail ends are locked by fixing bolts 4 and nuts 5. When the locking foot anchor pipe is drilled, the drill rod of the drilling rig passes through the limiting tubes 6 on both sides of the device to drill directly, thereby ensuring the accuracy of the drilling. After the drilling is completed, it can be disassembled and continued to be used, so as to achieve accurate positioning of the locking foot anchor pipe during drilling, facilitate the construction of the locking foot anchor pipe, and the tooling can be disassembled and recycled, thereby achieving the purpose of improving construction quality, saving construction costs, and ensuring construction safety. When it is necessary to adjust the insertion angle of the locking foot anchor rod, the adjusting bolt 17 is rotated out from the inside of the connecting seat 15 by rotating the adjusting bolt 17, so that the connecting seat 15 is rotated by the rotating shaft 16. When it is rotated to the specified position, the adjusting bolt 17 is rotated into the specified limiting hole 8 for fixing, so that the limiting tube 6 on the connecting seat 15 can be adjusted in angle.

[0027] The adjusting bolt 17 is threadedly connected to the inside of the limiting hole 8, the fixing bolt 1 4 is slidably connected to the inside of the bolt hole 3, the fixing bolt 2 13 is threadedly connected to the inside of the connecting plate 7, the fixing bolt 3 14 is threadedly connected to the inside of the fixing steel plate 2, the fixing steel plate 2 is rotatably connected to the rear part of the connecting steel plate 1, and the limiting tube 6 is rotatably connected to the outside of the fixing steel plate 2;

[0028] Reference Figure 1 , Figure 2 and Figure 3By adjusting the internal thread connection of the bolt 17 in the limiting hole 8, the angle of the limiting tube 6 on the connecting seat 15 can be adjusted, and the fixing bolt 14 slides inside the bolt hole 3 so that the fixing bolt 14 and the nut 5 lock their tail ends, and the fixing bolt 2 13 is connected to the internal thread of the connecting plate 7 so that the first mounting plate 9 is fixed to the connecting plate 7 through the fixing bolt 2 13, and the fixing bolt 3 14 is connected to the internal thread of the fixed steel plate 2 so that the second mounting plate 11 is fixed to the fixed steel plate 2 through the fixing bolt 3 14, and the fixed steel plate 2 is rotated at the rear of the connecting steel plate 1, so that the fixed steel plates 2 on both sides of the connecting steel plate 1 can be fully wrapped, and the limiting tube 6 is rotated outside the fixed steel plate 2 to adjust the insertion angle of the locking foot anchor rod.

[0029] Working principle: When using this device, the connecting steel plate 1 is placed on the steel frame, the first mounting plate 9 is fixed to the connecting plate 7 by the fixing bolt 2 13, and the second mounting plate 11 is fixed to the fixed steel plate 2 by the fixing bolt 3 14. Because the rotating block 12 on the second mounting plate 11 rotates inside the rotating seat 10 of the first mounting plate 9, the fixed steel plates 2 on both sides of the connecting steel plate 1 are fully wrapped, and the tail ends are locked by the fixing bolt 1 4 and the nut 5. When drilling the locking foot anchor pipe, the drill rod of the drilling rig passes through the limit pipes 6 on both sides of the device to drill directly, thereby ensuring the accuracy of the drilling. The drilling is completed. The tooling can be disassembled and reused after being disassembled, so as to achieve accurate positioning of the locking foot anchor pipe during drilling, facilitate the construction of the locking foot anchor pipe, and the tooling can be disassembled and recycled, thereby improving the construction quality, saving construction costs, and ensuring construction safety. When it is necessary to adjust the insertion angle of the locking foot anchor rod, the adjusting bolt 17 is rotated to rotate the adjusting bolt 17 out from the inside of the connecting seat 15, so that the connecting seat 15 is rotated through the rotating shaft 16. When it is rotated to the specified position, the adjusting bolt 17 is rotated into the specified limiting hole 8 for fixing, so that the angle of the limiting tube 6 on the connecting seat 15 can be adjusted.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A detachable tunnel locking foot anchor pipe positioning tool, comprising a connecting steel plate (1), characterized in that: The outside of the connecting steel plate (1) is fixedly connected to a connecting plate (7), and the front part of the connecting plate (7) is provided with two first mounting plates (9), and the internal four corners of the first mounting plate (9) are threadedly connected to fixing bolts 2 (13), and the front part of the first mounting plate (9) is fixedly connected to a rotating seat (10), and the internal rotation of the rotating seat (10) is connected to a rotating block (12), and the right part of the rotating block (12) is fixedly connected to a second mounting plate (11), and the internal four corners of the second mounting plate (11) are threadedly connected to fixing bolts 3 (14), and the inner side of the second mounting plate (11) is provided with a fixing steel plate (2), and the interior of the fixing steel plate (2) is provided with bolt holes (3), and the interior of the fixing steel plate (2) is provided with a fixing bolt 1 (4), and the external thread of the fixing bolt 1 (4) is connected to a nut (5), and an adjustment component is provided on the upper side of the outer side of the fixing steel plate (2).

2. A detachable tunnel locking foot anchor pipe positioning tool according to claim 1, characterized in that: The adjustment assembly comprises a connecting seat (15), wherein the connecting seat (15) is arranged on the upper outer side of the fixed steel plate (2), a rotating shaft (16) is fixedly connected to the rear of the connecting seat (15), and the rotating shaft (16) is rotatably connected to the inside of the fixed steel plate (2), a connecting piece (18) is fixedly connected to the front of the connecting seat (15), and a limiting tube (6) is fixedly connected to the front of the connecting piece (18), and adjusting bolts (17) are threadedly connected to the inner sides of the connecting seat (15), and a limiting hole (8) is provided on the upper outer side of the fixed steel plate (2).

3. The detachable tunnel locking foot anchor pipe positioning tool according to claim 2 is characterized by: The adjusting bolt (17) is threadedly connected inside the limiting hole (8).

4. The detachable tunnel locking foot anchor pipe positioning tool according to claim 2 is characterized by: The fixing bolt (4) is slidably connected inside the bolt hole (3).

5. The detachable tunnel locking foot anchor pipe positioning tool according to claim 2 is characterized by: The second fixing bolt (13) is threadedly connected to the inside of the connecting plate (7).

6. The detachable tunnel locking foot anchor pipe positioning tool according to claim 1 is characterized by: The fixing bolt three (14) is threadedly connected to the inside of the fixing steel plate (2).

7. The detachable tunnel locking foot anchor pipe positioning tool according to claim 1 is characterized by: The fixed steel plate (2) is rotatably connected to the rear portion of the connecting steel plate (1).

8. The detachable tunnel locking foot anchor pipe positioning tool according to claim 2 is characterized by: The limiting tube (6) is rotatably connected to the outside of the fixed steel plate (2).

Images