CN216342212U

CN216342212U - Connecting device of soft rock deformation tunnel steel arch frame

Info

Publication number: CN216342212U
Application number: CN202123172635.4U
Authority: CN
Inventors: 王君庭
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-19
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a connecting device for a steel arch of a soft rock deformation tunnel, and relates to the technical field of soft rock deformation tunnel supporting equipment. The connecting piece comprises a rod body arranged between the two steel arches, sleeves are rotatably arranged at two ends of the rod body, and the sleeves can move along the length direction of the rod body. According to the utility model, the connecting piece is lifted to the mounting height through the adjusting mechanism, the fixing rod on one side is fixed with one of the steel arches, and then the fixing rod on the other side can be fixed on the other steel arch by changing the integral length of the two sleeves and the rod body, so that the length of the connecting piece can be adjusted according to the actual distance between the two steel arches during mounting, the operation is simple and rapid, the construction time can be saved, and meanwhile, the design of the adjusting mechanism is convenient for mounting the connecting piece.

Description

Connecting device of soft rock deformation tunnel steel arch frame

Technical Field

The utility model relates to the technical field of soft rock deformation tunnel supporting equipment, in particular to a connecting device for a steel arch frame of a soft rock deformation tunnel.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and the structure of the tunnel comprises a main building and an auxiliary device. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.

Aiming at the construction of soft rock deformation tunnel, need use the steel bow member to strut before the construction, and need connect two adjacent steel bow members, increase the holistic intensity of structure, present connected mode is welding the reinforcing bar between two adjacent steel bow members, but because there is certain error during the steel bow member preparation, lead to the distance between the adjacent steel bow member not invariable, consequently difficult control is used for the length of welded reinforcing bar, and the reinforcing bar is in case cut length fixed, can't adjust, consequently need carry out multiple measurements, the reinforcing bar of different length is made according to different intervals, cause the trouble to the construction, can increase the engineering time, this problem is solved to this connection device who designs a soft rock deformation tunnel steel bow member for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the construction time is increased due to the fact that the interval needs to be measured for multiple times and then reinforcing steel bars with different lengths are manufactured by the method for connecting two adjacent steel arches by using the welded reinforcing steel bars, the utility model provides a connecting device for the steel arches of the soft rock deformation tunnel.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a connecting device of soft rock deformation tunnel steel bow member, includes two steel bow members that place in proper order along same direction, two be provided with a plurality of connecting pieces to equidistant along its radian between the steel bow member, the connecting piece is including setting up two the body of rod between the steel bow member, the body of rod both ends are all rotated and are installed the sleeve, the sleeve can be followed body of rod length is to the motion, two the dead lever rather than screw-thread fit is all installed to one side that the sleeve was kept away from each other, the dead lever is detachable to be fixed on the steel bow member, still including being used for supporting the adjustment mechanism of connecting piece and liftable.

Further, a mounting plate is fixed to one side of the fixing rod, the mounting plate is fixed to the steel arch frame through bolts, and bolt holes are formed in the two sides of the steel arch frame.

Furthermore, a thread is formed on the surface of one side, away from the mounting plate, of the fixing rod, and a threaded hole for the fixing rod to rotate into is formed in the sleeve.

Furthermore, two sleeves penetrate through two sides of the rod body respectively, two disks are symmetrically fixed on the rod body, and a cylindrical groove for the disks to slide is formed in each sleeve.

Furthermore, a hexagonal nut is fixedly sleeved outside the sleeve.

Further, adjustment mechanism is including placing subaerial weight plate, it installs the threaded rod to rotate on the weight plate, the outside cover of threaded rod is equipped with the loop bar rather than screw-thread fit, the loop bar top is rotated and is installed and insert and establish the inside inserted bar of the body of rod still includes that the symmetry is fixed telescopic link on the loop bar, the telescopic link is kept away from the one end of loop bar with the weight plate is fixed.

Furthermore, a rotary table is fixedly sleeved at the bottom of the threaded rod.

The utility model has the following beneficial effects:

according to the utility model, the connecting piece is lifted to the mounting height through the adjusting mechanism, the fixing rod on one side is fixed with one of the steel arches, and then the fixing rod on the other side can be fixed on the other steel arch by changing the integral length of the two sleeves and the rod body, so that the length of the connecting piece can be adjusted according to the actual distance between the two steel arches during mounting, the operation is simple and rapid, the construction time can be saved, and meanwhile, the design of the adjusting mechanism is convenient for mounting the connecting piece.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention.

Reference numerals: 1. a steel arch frame; 101. bolt holes; 2. a connecting member; 3. a rod body; 4. a sleeve; 401. a cylindrical groove; 5. fixing the rod; 6. an adjustment mechanism; 601. a weight plate; 602. a threaded rod; 603. a loop bar; 604. inserting a rod; 605. a telescopic rod; 7. mounting a plate; 8. a disc; 9. a hexagonal nut; 10. a turntable.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a connection device for steel arches of soft rock deformation tunnel, comprising two steel arches 1 sequentially placed in the same direction, and a plurality of connecting members 2 are arranged between the two steel arches 1 along the radian direction thereof at equal intervals, wherein the connecting members 2 comprise a rod body 3 arranged between the two steel arches 1, and the rod body 3 is cylindrical and arranged in the horizontal direction, and sleeves 4 are rotatably mounted at both ends of the rod body 3, wherein the sleeves 4 can move along the length direction of the rod body 3, and fixing rods 5 in threaded engagement with the sleeves 4 are mounted at the sides of the two sleeves 4 far away from each other, and the fixing rods 5 are cylindrical and arranged in the horizontal direction, wherein the fixing rods 5 are detachably fixed on the steel arches 1, and the present invention further comprises a lifting adjustment mechanism 6 for supporting the connecting members 2, it should be noted that, considering that some connecting pieces 2 are installed at a high position and it is difficult to install the connecting pieces 2 while holding them, the adjusting mechanism 6 is used to lift the connecting pieces 2 at a high position to a required height to assist workers in installation, and the specific use mode of the device is that the fixing rod 5 at one side is fixed with one of the steel arches 1, and then the other fixing rod 5 can be installed on the other steel arch 1 by controlling the overall length of the two sleeves 4 and the rod body 3, which has several advantages, firstly, the two steel arches 1 can be connected and fixed according to the actual space between them at different positions, and there is no need to make different steel bars according to different spaces, thus greatly saving the construction time, meanwhile, the device has no need to weld operation, and is simple to operate, and each part of the device can be dismantled, and the economical efficiency of maintenance and replacement is higher, and the problem that this kind of method that uses the welding reinforcing bar to connect two adjacent steel bow member 1 needs the interval of many times measurement then makes the reinforcing bar of different length and consequently leads to increasing the engineering time has been solved to this kind of design.

As shown in fig. 1 and 2, the fixing rod 5 is fixed to the steel arch 1 in such a manner that a mounting plate 7 is fixed to one side of the fixing rod 5, wherein the mounting plate 7 is fixed to the steel arch 1 by bolts, and bolt holes 101 are formed in both sides of the steel arch 1.

As shown in fig. 2 and 3, specifically, the fixing rod 5 is constructed with threads on the surface away from the mounting plate 7, and the sleeve 4 is internally constructed with threaded holes for the fixing rod 5 to rotate into, so that the fixing rod 5 and the sleeve 4 can be conveniently adjusted in overall length, and meanwhile, the threaded connection has strong stability and can improve the firmness of connection between the two steel arches 1.

As shown in fig. 2 and 3, in an embodiment of the present invention, the rod 3 and the sleeve 4 are installed in such a manner that both sides of the rod 3 respectively penetrate through the two sleeves 4, two disks 8 are symmetrically fixed on the rod 3, the diameter of each disk 8 is larger than that of the rod 3, and a cylindrical groove 401 for sliding the disk 8 is formed in the sleeve 4, so that the sleeve 4 can move along the length direction of the rod 3, and the sleeve 4 and the rod 3 can rotate.

As shown in fig. 1, it is preferable that in order to facilitate the rotation of the socket 4 and thus the change of the overall length between the socket 4 and the fixing rod 5, a hexagonal nut 9 is fixedly sleeved outside the socket 4, so that a hexagonal wrench can be used to rotate the hexagonal nut 9 and thus the socket 4 during the installation.

As shown in fig. 1, 2 and 3, in one embodiment of the present invention, the adjusting mechanism 6 comprises a weight plate 601 placed on the ground, wherein a threaded rod 602 is rotatably mounted on the weight plate 601, the threaded rod 602 is vertically arranged and fixed with the weight plate 601 through a bearing, a sleeve 603 in threaded fit with the threaded rod 602 is externally sleeved on the threaded rod, a plug 604 inserted into the rod body 3 is rotatably mounted on the top of the sleeve 603, the plug 604 is cylindrical and vertically arranged, the plug 604 is fixed with the top of the sleeve 603 through a bearing, the adjusting mechanism 6 further comprises a telescopic rod 605 symmetrically fixed on the sleeve 603, wherein one end of the telescopic rod 605 far away from the sleeve 603 is fixed with the weight plate 601, it should be noted that the telescopic rod 605 limits the moving direction of the sleeve 603, so that the sleeve 603 can only move along the vertical direction, the threaded rod 602 can be rotated during specific operation, the sleeve rod 603 is in threaded fit with the threaded rod 602, and the moving direction of the sleeve rod 603 is fixed, so that the sleeve rod 603 can move up and down when the threaded rod 602 rotates, the inserted link 604 at the top and the connecting piece 2 are driven to move up and down, and after the connecting piece 2 is installed, the inserted link 604 can be controlled to fall by the adjusting mechanism 6 to be separated from the rod body 3.

As shown in fig. 1 and 2, preferably, in order to facilitate the rotation of the threaded rod 602, the rotating disk 10 is fixed to the bottom of the threaded rod 602.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a connecting device of soft rock deformation tunnel steel bow member, its characterized in that includes two steel bow members (1), two of placing in proper order along same direction be provided with a plurality of connecting pieces (2) to equidistant along its radian between steel bow member (1), connecting piece (2) are including setting up two body of rod (3) between steel bow member (1), body of rod (3) both ends are all rotated and are installed sleeve (4), sleeve (4) can be followed body of rod (3) length is to the motion, two one side that sleeve (4) kept away from each other all installs rather than screw-thread fit's dead lever (5), dead lever (5) are detachable to be fixed on steel bow member (1), still including being used for supporting adjustment mechanism (6) of connecting piece (2) and liftable.

2. The connecting device of the soft rock deformation tunnel steel arch according to the claim 1, characterized in that the fixing rod (5) is fixed with a mounting plate (7) on one side, the mounting plate (7) is fixed with the steel arch (1) through bolts, and the steel arch (1) is configured with bolt holes (101) on both sides.

3. A soft rock deformation tunnel steel arch connection device according to claim 2, characterized in that the surface of the side of the fixing rod (5) away from the mounting plate (7) is configured with screw threads, and the sleeve (4) is configured with screw holes for the rotation of the fixing rod (5).

4. The connecting device for the soft rock deformation tunnel steel arch according to claim 1, characterized in that two sleeves (4) respectively penetrate through two sides of the rod body (3), two disks (8) are symmetrically fixed on the rod body (3), and a cylindrical groove (401) for sliding the disks (8) is formed in each sleeve (4).

5. A connecting device of a soft rock deformation tunnel steel arch according to claim 1, characterized in that the sleeve (4) is fixedly sleeved with a hexagonal nut (9).

6. The connecting device for the soft rock deformation tunnel steel arch center of claim 1, wherein the adjusting mechanism (6) comprises a weight plate (601) placed on the ground, a threaded rod (602) is rotatably mounted on the weight plate (601), a sleeve rod (603) in threaded fit with the threaded rod (602) is sleeved outside the threaded rod (602), an insertion rod (604) inserted inside the rod body (3) is rotatably mounted at the top of the sleeve rod (603), and the connecting device further comprises telescopic rods (605) symmetrically fixed on the sleeve rod (603), wherein one ends of the telescopic rods (605) far away from the sleeve rod (603) are fixed with the weight plate (601).

7. The connecting device for the steel arch of the soft rock deformation tunnel according to the claim 6, characterized in that the bottom of the threaded rod (602) is sleeved and fixed with a rotary disc (10).