Tunnel engineering steel arch positioning auxiliary device

Abstract

The tunnel engineering steel arch positioning auxiliary device comprises a square bottom plate, a plurality of limiting nails are fixedly connected to the lower end face of the square bottom plate, a square supporting pipe is fixedly connected to the middle of the upper end face of the square bottom plate, and supporting mechanisms are arranged on the four faces of the square supporting pipe. According to the tunnel engineering steel arch positioning auxiliary device, the stability of the whole device during installation and use can be improved, the situation that the whole device is prone to inclination during use is avoided, and then safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel engineering, and in particular to a tunnel engineering steel arch positioning auxiliary device. Background Art

[0002] The circumferential steel support in the initial support of the tunnel is called a steel arch. It is a special circumferential I-beam or other steel, and there is also a grid steel frame made of threaded steel welded together, which is a bit like a cage.

[0003] The patent document with the published publication number CN218953332U discloses a tunnel engineering steel arch frame positioning auxiliary device; the tunnel engineering steel arch frame positioning auxiliary device includes a positioning frame, which is U-shaped, and the bottom wall of the positioning frame is provided with an action groove, and the left and right side walls of the inner cavity of the action groove are provided with support rods.

[0004] However, although the above-mentioned prior art can make the device easy to adjust the support angle of the positioning frame and facilitate better positioning of the steel arch frame, the support pipe in the above-mentioned prior art is only connected to the ground through a single limit pin, and there is no structure around the support pipe to support it. This will lead to insufficient stability of the support pipe and easily cause the support pipe to tilt due to insufficient stability. For this reason, we propose a tunnel engineering steel arch frame positioning auxiliary device. Summary of the invention

[0005] The present invention provides a tunnel engineering steel arch positioning auxiliary device, which solves the technical problems raised by the above-mentioned background technology in the prior art.

[0006] The solution of the present invention to solve the above technical problem is as follows: comprising a square bottom plate, a plurality of limit pins are fixedly connected to the lower end surface of the square bottom plate, a square support tube is fixedly connected to the middle of the upper end surface of the square bottom plate, and support mechanisms are arranged on all four sides of the square support tube;

[0007] The support mechanism includes two fixed cross plates that are both fixedly connected to the surfaces of the square support tube, and a slide cylinder is arranged between the two fixed cross plates, and two side surfaces at one end of the slide cylinder are fixedly connected with a rotating rod 1 that penetrates the corresponding fixed cross plates and is rotatably connected to the penetrating portion through a bearing. The inner wall of the slide cylinder is slidably connected with a slide rod, and a magnet 1 is fixedly connected to the surface of the slide rod, and a magnet 2 that is attracted and connected to the magnet 1 is arranged on one side of the magnet 1, and the magnet 2 is fixedly connected to the surface of the square support tube. A fastening bolt is threadedly connected to the surface of the slide cylinder, and the fastening bolt abuts against the surface of the slide rod. A mounting plate is arranged at one end of the slide rod, and a mounting hole is provided on the surface of the mounting plate. A notch is provided at the upper end of the mounting plate, and two rotating rods 2 that are both fixedly connected to the surface of the slide rod are arranged inside the notch, and the rotating rod 2 penetrates the mounting plate and is rotatably connected to the penetrating portion through a bearing.

[0008] Based on the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, a lifting platform is arranged above the square support tube, and two fixed vertical plates are fixedly connected to the upper end surface of the lifting platform.

[0010] Furthermore, a rotating block is arranged between the two fixed vertical plates, and threaded rods are fixedly connected to both sides of the rotating block and are rotatably connected to the inside of the rotating through holes opened on the surfaces of the fixed vertical plates.

[0011] Furthermore, a nut is threadedly connected to the surface of the threaded rod, and a positioning frame is fixedly connected to the upper end of the rotating block.

[0012] Furthermore, a lifting slide is slidably connected to the inner wall of the square support tube, and a servo motor is arranged below the lifting slide.

[0013] Furthermore, the bottom end of the servo motor is fixedly connected to the inner bottom surface of the square support tube, and the output end of the servo motor is fixedly connected to a lifting screw.

[0014] Furthermore, the lifting screw rod passes through the lifting slide plate and is threadedly connected to the penetration portion, and lifting push plates are arranged on both sides of the lifting screw rod.

[0015] Furthermore, the lifting push plate passes through the square support tube and is slidably connected to the passing portion, and the upper end of the lifting push plate is fixedly connected to the lower end surface of the lifting platform.

[0016] The beneficial effects of the present invention are as follows: the present invention provides a tunnel engineering steel arch positioning auxiliary device, which has the following advantages:

[0017] 1. The coordination between the square support tube, the square bottom plate, the limit pins and the support mechanism can improve the stability of the entire device during installation and use, thereby preventing the entire device from being easily tilted by external forces, thereby improving the safety performance of the entire device during use;

[0018] 2. Through the cooperation between the positioning frame, threaded rod, nut, rotating block, fixed vertical plate, lifting platform, lifting push plate, lifting screw, lifting slide plate, servo motor and rotating through hole, on the one hand, the use angle of the positioning frame can be limited and adjusted, and on the other hand, the use height of the positioning frame can be limited and adjusted, thereby improving the use effect of the entire device.

[0019] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0021] Figure 1 A schematic diagram of the structure of a tunnel engineering steel arch positioning auxiliary device provided by an embodiment of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of a tunnel engineering steel arch positioning auxiliary device when the support mechanism is deployed;

[0023] Figure 3 for Figure 1 A schematic diagram of a partial structure of a tunnel engineering steel arch positioning auxiliary device is provided;

[0024] Figure 4 for Figure 3 A schematic diagram of a partial structure enlargement in a tunnel engineering steel arch positioning auxiliary device is provided;

[0025] Figure 5 for Figure 1 A schematic front and cross-sectional view of a local structure in a tunnel engineering steel arch positioning auxiliary device is provided.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Positioning frame; 2. Threaded rod; 3. Nut; 4. Rotating block; 5. Fixed vertical plate; 6. Lifting platform; 7. Lifting push plate; 8. Square support tube; 9. Fixed horizontal plate; 10. Rotating rod 1; 11. Slide; 12. Fastening bolt; 13. Slide; 14. Magnet 1; 15. Magnet 2; 16. Mounting plate; 17. Rotating rod 2; 18. Mounting hole; 19. Square bottom plate; 20. Limiting pin; 21. Lifting screw; 22. Lifting slide plate; 23. Servo motor; 24. Rotating through hole; 25. Notch. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-5 The principles and features of the present invention are described, and the examples are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0029] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] like Figure 1-5 As shown, the present invention provides a tunnel engineering steel arch positioning auxiliary device, comprising a square bottom plate 19, a plurality of limit pins 20 are fixedly connected to the lower end surface of the square bottom plate 19, a square support tube 8 is fixedly connected to the middle of the upper end surface of the square bottom plate 19, and support mechanisms are arranged on all four sides of the square support tube 8;

[0032] The supporting mechanism includes two fixed transverse plates 9, both of which are fixedly connected to the surface of the square supporting tube 8, a slide cylinder 11 is arranged between the two fixed transverse plates 9, and both side surfaces of one end of the slide cylinder 11 are fixedly connected with a rotating rod 10 that penetrates the corresponding fixed transverse plates 9 and is rotatably connected to the penetrating portion through a bearing, a slide rod 13 is slidably connected to the inner wall of the slide cylinder 11, a magnet 14 is fixedly connected to the surface of the slide rod 13, and a magnet 2 15 that is attracted and connected to the magnet 14 is arranged on one side of the magnet 14, and the magnet 2 15 is fixedly connected to the surface of the square supporting tube 8, a fastening bolt 12 is threadedly connected to the surface of the slide cylinder 11, and the fastening bolt 12 abuts against the surface of the slide rod 13, a mounting plate 16 is arranged at one end of the slide rod 13, a mounting hole 18 is opened on the surface of the mounting plate 16, a notch 25 is opened at the upper end of the mounting plate 16, and two rotating rods 2 17 that are fixedly connected to the surface of the slide rod 13 are arranged inside the notch 25, and the rotating rod 2 17 penetrates the mounting plate 16 and is rotatably connected to the penetrating portion through a bearing.

[0033] Preferably, a lifting platform 6 is arranged above the square support tube 8, and two fixed vertical plates 5 are fixedly connected to the upper end surface of the lifting platform 6. The setting of the lifting platform 6 can drive the positioning frame 1 to perform lifting processing.

[0034] Preferably, a rotating block 4 is provided between the two fixed vertical plates 5 , and threaded rods 2 rotatably connected to the inside of rotating through holes 24 opened on the surfaces of the fixed vertical plates 5 are fixedly connected to both sides of the rotating block 4 .

[0035] Preferably, a nut 3 is threadedly connected to the surface of the threaded rod 2, and a positioning frame 1 is fixedly connected to the upper end of the rotating block 4. The nut 3 can cooperate with the threaded rod 2 to limit the rotating block 4 between two fixed vertical plates 5.

[0036] Preferably, a lifting slide plate 22 is slidably connected to the inner wall of the square support tube 8, and a servo motor 23 is arranged below the lifting slide plate 22. The servo motor 23 can drive the lifting screw 21 to rotate forward and reverse.

[0037] Preferably, the bottom end of the servo motor 23 is fixedly connected to the inner bottom surface of the square support tube 8, and the output end of the servo motor 23 is fixedly connected to a lifting screw 21. The setting of the lifting screw 21 can enable the lifting slide plate 22 to be lifted and lowered.

[0038] Preferably, the lifting screw 21 passes through the lifting slide plate 22 and is threadedly connected to the passing portion. Lifting push plates 7 are provided on both sides of the lifting screw 21. The setting of the lifting push plates 7 can drive the lifting platform 6 to perform lifting processing.

[0039] Preferably, the lifting push plate 7 passes through the square support tube 8 and is slidably connected to the passing portion, and the upper end of the lifting push plate 7 is fixedly connected to the lower end surface of the lifting platform 6.

[0040] The specific working principle and use method of the present invention are:

[0041] The present invention provides a tunnel engineering steel arch positioning auxiliary device. When in use, the staff first installs the entire device on the ground through the limit nails 20, and then respectively rotates the slide cylinders 11 on the four sides of the square support tube 8 under the action of the rotating rod 10, so that the slide cylinder 11 drives the slide rod 13 to rotate to a certain angle with the square support tube 8, and then rotates the fastening bolts 12 on the surface of the slide cylinder 11, so that the slide rod 13 can slide on the inner wall of the slide cylinder 11, and the slide rod 13 can drive the mounting plate 16 to move toward the ground. The mounting plate 16 can be rotated under the action of the notch 25 and the rotating rod 17, so that the mounting plate 16 is rotated until the bottom surface of the mounting plate 16 is in contact with the ground, and then the nails are inserted into the ground through the mounting holes 18 on the surface of the mounting plate 16, and then the fastening bolts 12 are screwed in. The slide cylinder 11 and the slide rod 13 are limited to complete the installation, thereby improving the stability of the entire device during use, preventing the entire device from being easily tilted by external forces, and improving the safety of the entire device during use. Then, the limit on the rotating block 4 can be released by screwing the nut 3, and then the positioning frame 1 can be rotated by the rotating block 4, the rotating through hole 24 and the threaded rod 2, so that the use angle of the positioning frame 1 can be adjusted. After adjusting to a suitable angle, tightening the nut 3 can limit the threaded rod 2, so that the positioning frame 1 with the adjusted angle can be limited, and then the lifting screw 21 can be rotated by the servo motor 23, so that the lifting slide plate 22 can drive the lifting push plate 7 to move, and the use height of the positioning frame 1 can be adjusted.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A tunnel engineering steel arch positioning auxiliary device, comprising a square bottom plate (19), characterized in that: A plurality of limit pins (20) are fixedly connected to the lower end surface of the square bottom plate (19), a square support tube (8) is fixedly connected to the middle of the upper end surface of the square bottom plate (19), and support mechanisms are arranged on all four sides of the square support tube (8); The support mechanism comprises two fixed transverse plates (9) which are fixedly connected to the surface of the square support tube (8); a slide cylinder (11) is arranged between the two fixed transverse plates (9); both side surfaces of one end of the slide cylinder (11) are fixedly connected to a rotating rod (10) which penetrates the corresponding fixed transverse plate (9) and is rotatably connected to the penetrating portion via a bearing; a slide rod (13) is slidably connected to the inner wall of the slide cylinder (11); a magnet (14) is fixedly connected to the surface of the slide rod (13); a magnet (15) which is attracted and connected to the magnet (14) is arranged on one side of the magnet (14); and the magnet (15) is arranged on the other side of the magnet (15) so as to be attracted and connected to the magnet (14); 5) is fixedly connected to the surface of the square support tube (8), the surface of the slide tube (11) is threadedly connected with a fastening bolt (12), the fastening bolt (12) is in contact with the surface of the slide rod (13), one end of the slide rod (13) is provided with a mounting plate (16), the surface of the mounting plate (16) is provided with a mounting hole (18), the upper end of the mounting plate (16) is provided with a notch (25), the inside of the notch (25) is provided with two rotating rods (17) both fixedly connected to the surface of the slide rod (13), the rotating rod (17) passes through the mounting plate (16) and is rotatably connected to the through-portion through a bearing.

2. According to claim 1, a tunnel engineering steel arch positioning auxiliary device is characterized in that: A lifting platform (6) is arranged above the square support tube (8), and two fixed vertical plates (5) are fixedly connected to the upper end surface of the lifting platform (6).

3. The tunnel engineering steel arch positioning auxiliary device according to claim 2, characterized in that: A rotating block (4) is arranged between the two fixed vertical plates (5), and threaded rods (2) are fixedly connected to both sides of the rotating block (4) and are rotatably connected to the inside of a rotating through hole (24) opened on the surface of the fixed vertical plate (5).

4. According to claim 3, a tunnel engineering steel arch positioning auxiliary device is characterized in that: A nut (3) is threadedly connected to the surface of the threaded rod (2), and a positioning frame (1) is fixedly connected to the upper end of the rotating block (4).

5. The tunnel engineering steel arch positioning auxiliary device according to claim 2, characterized in that: The inner wall of the square support tube (8) is slidably connected to a lifting slide plate (22), and a servo motor (23) is arranged below the lifting slide plate (22).

6. A tunnel engineering steel arch positioning auxiliary device according to claim 5, characterized in that: The bottom end of the servo motor (23) is fixedly connected to the inner bottom surface of the square support tube (8), and the output end of the servo motor (23) is fixedly connected to a lifting screw (21).

7. A tunnel engineering steel arch positioning auxiliary device according to claim 6, characterized in that: The lifting screw rod (21) passes through the lifting slide plate (22) and is threadedly connected to the through-portion. Lifting push plates (7) are provided on both sides of the lifting screw rod (21).

8. The tunnel engineering steel arch positioning auxiliary device according to claim 7, characterized in that: The lifting push plate (7) passes through the square support tube (8) and is slidably connected to the passing portion; the upper end of the lifting push plate (7) is fixedly connected to the lower end surface of the lifting platform (6).

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