CN219034781U

CN219034781U - Positioning device for foot locking anchor pipe of grid of four limbs of tunnel

Info

Publication number: CN219034781U
Application number: CN202320417907.2U
Authority: CN
Inventors: 胥青松; 黄波; 王雷; 龚鹏; 田佳; 景晓瑞; 陈斌; 张雷; 程博; 侯小军; 张润; 崔战飞; 徐鑫; 丁永利; 孟小为; 颜玉平
Original assignee: Wuhan Kowloon Railway Passenger Dedicated Line Hubei Co ltd; China Railway First Engineering Group Co Ltd; Fifth Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: Wuhan Kowloon Railway Passenger Dedicated Line Hubei Co ltd; China Railway First Engineering Group Co Ltd; Fifth Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-05-16
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a positioning device of a tunnel limb grid foot locking anchor pipe, which comprises a fixing frame, wherein supporting plates are arranged on two sides of the fixing frame, a sleeve is arranged on one side, away from each other, of each supporting plate, a scale rod is arranged on the inner ring of the sleeve, a second fastening screw rod penetrating through and extending to the inside of the sleeve is arranged on one side of the sleeve, nuts penetrating through the supporting plates are arranged on two sides of the side wall of one side of the supporting plate, and sleeves penetrating through the fixing frame are arranged on two sides of one side of the fixing frame. This positioner of four limbs grid lock foot anchor pipe in tunnel is through setting up scale pole, mount and sleeve etc. can be according to the position of drilling with lock foot anchor pipe stop device and four limbs grid fold type fixedly, confirm the angle and the height of installing the position, ensure that on-the-spot lock foot anchor pipe is accurate to be fixed a position, the installation angle is beaten accurately, protects four limbs grid simultaneously and targets in place, and the device is showing and is improving drilling efficiency, and is convenient and high-efficient.

Description

Positioning device for foot locking anchor pipe of grid of four limbs of tunnel

Technical Field

The utility model relates to the technical field of building construction, in particular to a positioning device for a foot locking anchor pipe of a grid of a tunnel limb.

Background

When the tunnel is excavated by adopting a mode of firstly arching and then wall excavation, in order to ensure safety, the anchor rods are driven into the vertical rock wall at the arch feet to prevent the arch crown from shrinking and falling off before the next construction excavation (namely lower section excavation) is carried out, and the characteristics of large resistance in the drilling process of a drilling machine, easy swinging of the drill rod, large deviation of drilling positions and external insertion angles are achieved; the construction environment is bad, a drilling machine is required to be fixed by personnel in the drilling process, the labor intensity of operators is high, the operation randomness is high, and the construction quality of the foot locking anchor pipe is difficult to ensure, so that the conventional process is improved, and the drilling construction of the foot locking anchor pipe can be efficiently, safely and high-quality completed by selecting a reasonable construction method.

At present, in the primary tunnel supporting process, an extremity grid steel frame pin locking anchor pipe is limited by an operation space and a drilling angle during manual drilling, the drilling process cannot accurately drill holes, the drilling angle is greatly deviated, pin locking anchoring and stress supporting are not in accordance with design requirements, when the steel frame pin locking anchor pipe is drilled, the external insertion angle is difficult to control, the position is deviated, the connection quality with the steel frame is poor, the stability of the steel frame is affected, tunnel convergence or settlement deformation is easily caused, and safety quality accidents such as arch dropping are caused.

Disclosure of Invention

The utility model aims to provide a positioning device for a foot locking anchor pipe of a grid of a tunnel limb aiming at the defects of the prior art, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioner of tunnel four limbs grid lock foot anchor pipe, includes the mount, the both sides of mount all are provided with the backup pad, one side that the backup pad kept away from each other is provided with the sleeve pipe, sheathed tube inner circle is provided with the scale pole, sheathed tube one side is provided with runs through and extends to the inside second fastening screw of sleeve pipe, the both sides of one side lateral wall of backup pad all are provided with the nut that runs through the backup pad, one side both sides of mount all are provided with the sleeve that runs through the mount.

As a preferable technical scheme of the utility model, the fixing frame can be disassembled into two halves, the upper part and the lower part of one side wall of one half fixing frame are both arranged in a groove shape, and the upper part and the lower part of one side wall of the other half fixing frame are matched with the grooves arranged on the upper part and the lower part of one side wall of the other half fixing frame.

As a preferable technical scheme of the utility model, the groove-shaped top arranged on one side wall of the fixing frame is provided with a through hole penetrating the other half of one side wall of the fixing frame and extending to the bottom of the groove shape, and a bolt is arranged in the through hole.

As the preferable technical scheme of the utility model, two half side walls of one side of the fixing frame far away from the fixing frame and arranged in a groove shape are respectively provided with a mounting plate, the two mounting plates are respectively provided with a through hole, and bolts are arranged in the through holes.

As a preferable technical scheme of the utility model, the inner ring of the nut penetrating through the supporting plate is arranged on two sides of one side wall of the supporting plate, and a first fastening screw matched with the inner ring thread of the nut is arranged on the inner ring of the nut.

As a preferable technical scheme of the utility model, one side of the first fastening screw rod and one side of the second fastening screw rod are respectively provided with a rotating rod.

Compared with the prior art, the utility model provides a positioning device for a foot locking anchor pipe of a grid of a tunnel limb, which has the following beneficial effects:

this positioner of tunnel four limbs grid lock foot anchor pipe through setting up scale pole, mount and sleeve etc. accessible scale pole is adjusted the mount to approximate drilling position, afterwards the dwang on the second fastening screw that rotatable sleeve pipe one side set up, and then can drive the second fastening screw and rotate, thereby can fix the mount, and confirm the height of mount, and accessible first fastening screw rotates and the nut, can fix the sleeve, afterwards can carry out foldingly fixing lock foot anchor pipe stop device and four limbs grid according to the position of drilling, and laminating degree regulation in the rock face, confirm the angle and the height of installation position, ensure that on-the-spot lock foot anchor pipe is accurate to be fixed a position, installation angle is beaten to the accuracy, protect the four limbs grid simultaneously in place, the device is showing and is improving drilling efficiency, convenience and high efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a disassembling structure of a fixing frame of the present utility model;

fig. 3 is a schematic view of the structure of the support plate of the present utility model.

Reference numerals: 1. a fixing frame; 2. a first fastening screw; 3. a support plate; 4. a second fastening screw; 5. a sleeve; 6. a scale bar; 7. a nut; 8. a sleeve; 9. a bolt; 10. a mounting plate; 11. a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in the present embodiment: the utility model provides a positioner of tunnel four limbs grid lock foot anchor pipe, includes mount 1, the both sides of mount 1 all are provided with backup pad 3, one side that backup pad 3 kept away from each other is provided with sleeve pipe 5, the inner circle of sleeve pipe 5 is provided with scale bar 6, one side of sleeve pipe 5 is provided with runs through and extends to the inside second fastening screw 4 of sleeve pipe 5, the both sides of one side lateral wall of backup pad 3 all are provided with the nut 7 that runs through backup pad 3, one side both sides of mount 1 all are provided with the sleeve 8 that runs through mount 1, accessible scale bar 6 adjusts mount 1 to approximate drilling position, afterwards rotatable dwang on the second fastening screw 4 that sleeve pipe 5 one side set up, and then can drive second fastening screw 4 and rotate, thereby can fix mount 1, and confirm the height of mount 1, and accessible first fastening screw 2 rotates and nut 7, can fix sleeve 8.

In this embodiment, the fixing frame 1 is detachable into two halves, and the upper portion and the lower portion of one side wall of the half fixing frame 1 are all set up to be groove-shaped, and the upper portion and the lower portion of one side wall of the other half fixing frame 1 are matched with the groove that upper portion and the lower portion of one side wall of the half fixing frame 1 set up, the top of groove-shaped that one side wall of the fixing frame 1 set up is provided with the through-hole that runs through other half fixing frame 1 side wall and extends to groove-shaped bottom, and be provided with bolt 11 in the through-hole, one side wall that two half fixing frames 1 keep away from fixing frame 1 and set up to groove-shaped all is provided with mounting panel 10, and two mounting panels 10 all offer the through-hole, and be provided with bolt 9 in the through-hole, the nut 7 inner circle that one side wall of backup pad 3 was set up to run through the both sides of one side wall of backup pad 3 is provided with first fastening screw 2 with the inner circle screw thread assorted of nut 7, one side of first fastening screw 2 and one side of second fastening screw 4 all are provided with the dwang.

The working principle and the using flow of the utility model are as follows: this positioner of tunnel four limbs grid lock foot anchor pipe, during the use, the roughly height that needs to punch of accessible instrument survey, afterwards, accessible scale bar 6 is adjusted mount 1 to roughly drilling position, afterwards, the dwang on the second fastening screw 4 that rotatable sleeve pipe 5 one side set up, and then can drive second fastening screw 4 and rotate, thereby can fix mount 1, and confirm the height of mount 1, afterwards can carry out foldingly fixing lock foot anchor pipe stop device and four limbs grid according to the position of drilling, and carry out the laminating degree regulation in the rock face, when confirming the angle and the height of installation position, put together mount 1, can insert the recess department that mount 1 one side was seted up this moment, and fix corresponding two mounting panels 10 through bolt 9, afterwards, will rotate the dwang that the lock set up on the first fastening screw 2, and then can drive first fastening screw 2 and rotate, and can fix sleeve 8 through nut 7, can carry out drilling construction next step this moment.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a positioner of tunnel four limbs grid lock foot anchor pipe, includes mount (1), its characterized in that: the utility model discloses a fixing rack, including fixing rack (1), backup pad (1), sleeve pipe (5) are all provided with in both sides of fixing rack (1), one side that backup pad (3) kept away from each other is provided with sleeve pipe (5), the inner circle of sleeve pipe (5) is provided with scale bar (6), one side of sleeve pipe (5) is provided with runs through and extends to inside second fastening screw (4) of sleeve pipe (5), both sides of one side lateral wall of backup pad (3) all are provided with nut (7) that run through backup pad (3), one side both sides of fixing rack (1) all are provided with sleeve (8) that run through fixing rack (1).

2. The positioning device for a tunnel limb grid foot locking anchor tube according to claim 1, wherein: the fixing frame (1) can be disassembled into two halves, the upper part and the lower part of one side wall of one half of the fixing frame (1) are respectively arranged into a groove shape, and the upper part and the lower part of one side wall of the other half of the fixing frame (1) are matched with grooves formed in the upper part and the lower part of one side wall of the other half of the fixing frame (1).

3. The positioning device for a tunnel limb grid foot locking anchor tube according to claim 1, wherein: the groove-shaped top arranged on one side wall of the fixing frame (1) is provided with a through hole penetrating through the other half of one side wall of the fixing frame (1) and extending to the bottom of the groove shape, and a bolt (11) is arranged in the through hole.

4. The positioning device for a tunnel limb grid foot locking anchor tube according to claim 1, wherein: two halves the mount (1) keep away from mount (1) and set up to the side wall of recess form all be provided with mounting panel (10), and through-hole has all been seted up to two mounting panels (10), and is provided with bolt (9) in the through-hole.

5. The positioning device for a tunnel limb grid foot locking anchor tube according to claim 1, wherein: the two sides of one side wall of the supporting plate (3) are provided with first fastening screws (2) which are matched with the inner ring threads of the nuts (7) in a penetrating mode, and the inner rings of the nuts (7) penetrating through the supporting plate (3).

6. The positioning device for the foot locking anchor tube of the grid lock for the four limbs of the tunnel according to claim 5, wherein: one side of the first fastening screw (2) and one side of the second fastening screw (4) are both provided with rotating rods.