CN208024364U - A kind of liner supporting structure for tunnel - Google Patents

Abstract

The utility model discloses a lining support structure for a tunnel, which comprises a base, the base is provided with a connecting device, the upper end of the base is provided with a fixing groove, and the lower end of the fixing groove is provided with a rotating groove. The bottom of the rotating groove is fixed with two second fixed plates parallel to each other, one side of the two second fixed plates is rotatably connected with the first fixed plate, and the upper ends of the two first fixed plates are jointly fixed with the first sleeve . The utility model realizes the clamping and fixing of the steel arch frame, keeps the steel arch frame stable, and solves the problems that the general construction personnel tend to have the binding not strong enough after welding and the bending after welding, which does not meet the construction requirements, etc. If the situation occurs, rework is carried out, time and energy are wasted, problems such as potential safety hazards are caused, the occurrence of rework situations is reduced, work efficiency is improved, the structure is simple, easy to operate, and suitable for promotion.

Description

A lining support structure for tunnels

technical field

The utility model relates to the technical field of support structures, in particular to a lining support structure for tunnels.

Background technique

Tunnel lining is to prevent deformation or collapse of the surrounding rock in the tunnel. Steel arches are used along the upper circumferential arch wall of the tunnel body and a permanent support structure built with steel-concrete materials. The existing tunnel lining is generally equipped with primary supports. The protective layer and the secondary lining layer. The primary support layer structure is composed of I-beams, arch frames, steel mesh, wrong bars and shotcrete, which are used to withstand the pressure generated by the plastic deformation of the structure above the tunnel after the excavation of the tunnel, and prevent the enclosing If the rock is deformed or collapsed, secondary lining should be carried out on the basis of setting the primary support layer. The secondary lining is constructed of waterproof cloth, concrete, etc. to form the innermost lining of the tunnel, which is used to reinforce the primary support layer; It is to bear the pressure caused by the deformation of the cave together with the primary support layer; the third is to beautify the appearance, optimize the line, and facilitate the installation of lighting, communication, drainage and other facilities, but during construction, especially when connecting steel arches, construction personnel need to bind them Welding, if the binding is not strong enough, it is easy to bend after welding, does not meet the construction requirements, rework, waste time and energy, and cause safety hazards. For this reason, we propose a lining support for tunnels structure to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a lining support structure for tunnels.

In order to achieve the above object, the utility model adopts the following technical solutions:

A lining support structure for a tunnel, comprising a base, the base is provided with a connecting device, the upper end of the base is provided with a fixing groove, the lower end of the fixing groove is provided with a rotating groove, and the bottom of the rotating groove Two second fixed plates parallel to each other are fixed, one side of the two second fixed plates is rotatably connected to the first fixed plate, the upper ends of the two first fixed plates are jointly fixed with a first sleeve, and the first The four corners of the lower end of the casing are fixed with support rods, the lower ends of the support rods are provided with sleeves, and the lower ends of the support rods pass through the sleeves and extend to the inside of the sleeves, and the lower ends of the support rods are fixed with the second anti- Compression spring, and the lower end of the second anti-compression spring is fixedly connected to the bottom of the sleeve, the bottom of the sleeve is fixedly connected to the bottom of the rotating groove, and both sides of the lower end of the first sleeve are rotatably connected to two Two sliding rods parallel to each other, the lower ends of the sliding rods are provided with a second sleeve, the upper end of the sliding rod and the second sleeve are sleeved with a first anti-compression spring on the sliding rod, and the second sleeve is sleeved. The lower end of the first connecting rod is rotatably connected to the side wall of one end in the fixing groove, and one side of the first sleeve is provided with a first connecting rod, and one end of the first connecting rod passes through the first sleeve and extends into the first sleeve , one end of the first connecting rod is fixed with a second gear, and the side wall at one end in the first casing is rotatably connected with two second connecting rods parallel to each other, and the second connecting rods are penetrated by a second gear. A gear, and the first gear and the second gear are meshed, and one end of the second connecting rod is fixed to the second bevel gear, and the opposite side walls in the first sleeve are connected to two mutually parallel The threaded rods are provided with a first bevel gear through the two threaded rods, and the first bevel gear and the second bevel gear are meshed, and the two sides of the threaded rod are provided with reverse threads, and the The upper and lower ends of the side wall at the other end in the first casing are rotatably connected with two mutually parallel rotating rods, and the two rotating rods on the same side form a group, and grooves are arranged on the two rotating rods of the same group , and both ends of the groove are set through, the opposite side walls in the groove are provided with chute, the two chute are installed with the second slider, the opposite side of the two second slider The first sliding block is connected to rotate together, and one of the threaded rods is installed on the two first sliding blocks of the same group, and the two first sliding blocks are respectively located on both sides of the threaded rod, and the opposite one of the rotating rods of the same group Both sides are fixed with splints.

Preferably, the connecting device includes bolts arranged at the four corners of the upper end of the base, and the four corners of the upper end of the base are provided with threaded through holes, and the threaded through holes are provided with bolts, and the lower ends of the bolts are all penetrated through the threaded through holes And extend to the lower end of the base.

Preferably, a placement groove is provided on one side of the splint, and both ends of the placement groove are set through.

Preferably, the first sleeve is coated with a protective layer.

Preferably, the threaded rod is made of carbon steel.

Preferably, the sleeve is a cylinder with one end closed, and the closed end is fixed with the upper end of the rotating groove.

In the utility model, when in use, the steel arch frame is placed between the splints, the first connecting rod is rotated to drive the second gear to rotate, the second gear drives the second bevel gear to rotate to rotate the first bevel gear, and the second bevel gear is rotated. A bevel gear drives the threaded rod to rotate, and the rotation of the threaded rod makes the two first sliders move relative to each other to clamp the steel arch, and the second slider moves in the chute to facilitate the rotation of the rotating rod for clamping. tight, the support rod squeezes the second anti-compression spring to support the first sleeve, and the first sleeve is coated with ZD200 epoxy zinc-rich anti-corrosion primer for protection. The utility model realizes the clamping and Fixing, keeping the steel arch stable, solves the problems that the general construction workers tend to have after binding and welding. The binding is not strong enough, it is easy to bend after welding, and it does not meet the construction requirements. Rework, waste of time and energy, resulting in Potential safety hazards and other problems reduce the occurrence of rework, improve work efficiency, simple structure, convenient operation, and suitable for promotion.

Description of drawings

Fig. 1 is a front view of a lining support structure for a tunnel proposed by the utility model;

Fig. 2 is a top view of a lining support structure for a tunnel proposed by the utility model;

Fig. 3 is a schematic diagram of the internal structure of a sleeve used in a tunnel lining support structure proposed by the utility model.

In the figure: 1 first bushing, 2 first gear, 3 first compression spring, 4 second bushing, 5 first slider, 6 second slider, 7 rotating rod, 8 threaded rod, 9 sliding rod, 10 base, 11 first fixed plate, 12 second fixed plate, 13 splint, 14 first bevel gear, 15 second bevel gear, 16 second gear, 17 first connecting rod, 18 sleeve, 19 support rod , 20 second compression springs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a lining support structure for tunnels includes a base 10, which is provided with a connecting device for easy connection. The upper end of the base 10 is provided with a fixing groove, and the lower end of the fixing groove is provided with a rotating groove. , it is convenient to fix and place the first sleeve pipe 1 to rotate. The bottom of the rotating groove is fixed with two second fixed plates 12 parallel to each other. The upper ends of the first fixing plates 11 are jointly fixed with the first sleeve 1, the four corners of the lower end of the first sleeve 1 are fixed with support rods 19, the lower ends of the support rods 19 are provided with sleeves, and the lower ends of the support rods 19 are penetrated. The sleeve 18 extends to the inside of the sleeve 18, the lower end of the support rod 19 is fixed with a second anti-compression spring 20, and the second anti-compression spring 20 performs anti-compression buffering, so that the first sleeve 1 is overturned, and the second anti-compression The lower end of the compression spring 20 is fixedly connected to the bottom in the sleeve 18, which is convenient for connection. The sliding rod 9 is convenient to move and provides auxiliary support. The lower end of the sliding rod 9 is provided with a second sleeve 4, and the upper end of the sliding rod 9 and the sliding rod 9 between the second sleeve 4 are sleeved with a first anti-compression spring 3. Shock-absorbing and buffering, the lower end of the second sleeve 4 is rotatably connected to the side wall of one end in the fixing groove, which plays an auxiliary role in fixing the first sleeve 1, and a first connecting rod is installed on one side of the first sleeve 1 17, and one end of the first connecting rod 17 passes through the first sleeve 1 and extends into the first sleeve 1, one end of the first connecting rod 17 is fixed with the second gear 16, and the first connecting rod 17 is rotated, the first connecting The rod 17 drives the second gear 16 to rotate, and the side wall at one end of the first casing 1 is rotatably connected with two second connecting rods parallel to each other, and the first gear 2 is run through the two second connecting rods, and the second connecting rod A gear 2 meshes with the second gear 16, the second gear 16 drives the first gear 2 to rotate, and after one end of the second connecting rod is fixed, the second bevel gear 15, the first gear 2 drives the second connecting rod to rotate, thereby When the second bevel gear 15 is rotated, two threaded rods 8 parallel to each other are connected to the opposite side walls in the first casing 1 for co-rotation, and the first bevel gear 14 is penetrated on the two threaded rods 8. And the first bevel gear 14 is meshed with the second bevel gear 15, and the second bevel gear 15 drives the first bevel gear 14 to rotate, thereby making the threaded rod 8 rotate, and the two sides on the threaded rod 8 are provided with reverse Thread, the upper and lower ends of the other side wall in the first casing 1 are rotatably connected with two mutually parallel rotating rods 7, which are convenient to rotate, and the two rotating rods 7 on the same side form a group, and the same group of rotating rods 7 Both rotating rods 7 are provided with grooves, and the two ends of the grooves are all set through, and the opposite side walls in the grooves are provided with chute, and the second slide block 6 is installed in the two chute, The opposite sides of the two second sliders 6 are jointly rotated and connected with the first slider 5, which restricts and facilitates the movement of the first slider 5, thereby better driving the rotation of the rotating rod 7, and the two first sliders of the same group The slide block 5 is provided with one of the threaded rods 8, and two The first slider 5 is respectively located on both sides of the threaded rod 8, and the opposite side of the same group of rotating rods 7 is fixed with a splint 13, and the first bevel gear 14 drives the threaded rod 8 to rotate, and the two second screw rods 8 rotate to make A slide block 5 moves relatively, clamps the splint 13, and clamps the steel arch.

In the utility model, the connecting device includes bolts arranged at the four corners of the upper end of the base 10, and the four corners of the upper end of the base 10 are provided with threaded through holes, and bolts are penetrated in the threaded through holes to facilitate connection. The hole extends to the lower end of the base 10, one side of the splint 13 is provided with a placement groove, and the two ends of the placement groove are all set through to facilitate clamping, the first sleeve 1 is coated with a protective layer, and the threaded rod 8 adopts Made of carbon steel, strong and durable, the sleeve 18 is a cylinder with one end closed, which is convenient for connection, and the closed end is fixed with the upper end of the rotating groove, and is fixedly connected.

In the utility model, when in use, the steel arch frame is placed between the splints 13, the first connecting rod 17 is rotated to drive the second gear 16 to rotate, and the second gear 16 drives the second bevel gear 15 to rotate to make the first bevel gear 15 rotate. The bevel gear 14 rotates, the first bevel gear 14 drives the threaded rod 8 to rotate, and the rotation of the threaded rod 8 makes the two first sliders 5 move relative to each other to clamp the steel arch, and the second slider 6 is in the chute Move and facilitate the rotation of the rotating rod 7 to facilitate clamping. The support rod 19 squeezes the second anti-compression spring 20 to support the first sleeve 1. The first sleeve 1 is coated with ZD200 epoxy zinc-rich anti-corrosion primer Protect.

The above is only a preferred embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field is within the technical scope disclosed by the utility model. Any equivalent replacement or change of the technical solution and the concept of the utility model shall fall within the scope of protection of the utility model.

Claims (6)

1. A lining support structure for a tunnel, comprising a base (10), characterized in that, the base (10) is provided with a connecting device, and the upper end of the base (10) is provided with a fixing groove, the The lower end of the fixed groove is provided with a rotating groove, and the bottom of the rotating groove is fixed with two second fixed plates (12) parallel to each other, and one side of the two second fixed plates (12) is rotatably connected with the first fixed plate (11), the upper ends of the two first fixing plates (11) are jointly fixed with a first sleeve (1), and the four corners of the lower end of the first sleeve (1) are fixed with support rods (19), and the support The lower end of the rod (19) runs through the sleeve, and the lower end of the support rod (19) passes through the sleeve (18) and extends to the inside of the sleeve (18), the lower end of the support rod (19) is fixed with a second anti-compression spring (20), and the lower end of the second anti-compression spring (20) is fixedly connected to the bottom in the sleeve (18), and the bottom of the sleeve (18) is fixedly connected to the bottom in the rotating groove. Both sides of the lower end of the first casing (1) are rotatably connected with two mutually parallel sliding rods (9), and the lower ends of the sliding rods (9) are provided with a second casing (4), and the sliding rods (9) ) and the sliding rod (9) between the upper end of the second sleeve (4) is sleeved with a first anti-compression spring (3), and the lower end of the second sleeve (4) is rotatably connected to one end in the fixed groove On the side wall, one side of the first sleeve (1) is provided with a first connecting rod (17), and one end of the first connecting rod (17) passes through the first sleeve (1) and extends to the first In the casing (1), a second gear (16) is fixed at one end of the first connecting rod (17), and two parallel first gears (16) are rotatably connected to one end side wall in the first casing (1). Two connecting rods, the first gear (2) is penetrated on the two second connecting rods, and the first gear (2) and the second gear (16) are meshed, after one end of the second connecting rod is fixed For the second bevel gear (15), two threaded rods (8) parallel to each other are connected to the opposite side walls in the first sleeve (1) for co-rotation, and the two threaded rods (8) are set through There is a first bevel gear (14), and the first bevel gear (14) and the second bevel gear (15) are meshed, and both sides on the threaded rod (8) are provided with reverse threads, and the The upper and lower ends of the side wall at the other end in the first casing (1) are rotatably connected with two mutually parallel rotating rods (7), and the two rotating rods (7) on the same side form a group, and the same group of rotating rods (7) Both turning rods (7) are provided with grooves, and the two ends of the grooves are all set through, and the opposite side walls in the grooves are provided with chute, and the second chute is installed in the two chute. The slider (6), the opposite sides of the two second sliders (6) are jointly rotated and connected with the first slider (5), and the two first sliders (5) of the same group are jointly provided with one of them threaded rod (8), and the two first sliders (5) are respectively located on both sides of the threaded rod (8), and splints (13) are fixed on opposite sides of the same group of rotating rods (7). 2. A lining support structure for a tunnel according to claim 1, characterized in that the connecting device includes bolts arranged at the four corners of the upper end of the base (10), and the four corners of the upper end of the base (10) are each Threaded through holes are provided, and bolts are penetrated in the threaded through holes, and the lower ends of the bolts all pass through the threaded through holes and extend to the lower end of the base (10). 3. A lining and supporting structure for tunnels according to claim 1, characterized in that, one side of the splint (13) is provided with a placement groove, and both ends of the placement groove are set through. 4. A lining and supporting structure for a tunnel according to claim 1, characterized in that the first sleeve (1) is coated with a protective layer. 5. A lining support structure for a tunnel according to claim 1, characterized in that the threaded rod (8) is made of carbon steel. 6. A lining support structure for a tunnel according to claim 1, characterized in that, the sleeve (18) is a cylindrical body with one end closed, and the closed end is fixed with the upper end of the rotating groove.