CN212454465U - Bury formula waterstop mounting fixture in short side wall of tunnel invert - Google Patents

Abstract

The utility model discloses a bury formula waterstop mounting fixture in short side wall of tunnel invert, including location bolt, inversion U type card and bolt, the outer wall of location bolt is fixed with the couple, and the inside of location bolt is provided with the recess, invert U type card and install in the inboard of location bolt, and the outer wall welding of inverting U type card has the fixed block, the bolt is settled respectively in the inside of location bolt and inversion U type card. The buried water stop fixing clamp in the inverted arch low side wall of the tunnel is provided with a bolt and an inverted U-shaped clamp, when the water stop is installed, clamps are arranged at intervals of 2-3m, and the height of the bolt can be adjusted through a bolt and a sliding groove; and bolt and nuts are arranged on two sides of the inverted U-shaped clamp, and the inner end of the bolt is supported on the outer side surface of the square timber and clamps and fixes the buried water stop. The utility model has simple structure and simple operation, and can effectively control the position, exposed size and straight degree of the water stop belt; the material consumption is low, and the construction cost is low. Therefore, the utility model has good use value.

Description

Bury formula waterstop mounting fixture in short side wall of tunnel invert

Technical Field

The utility model relates to a novel bury formula waterstop construction field in tunnel invert is vertical specifically is a bury formula waterstop mounting fixture in short side wall of tunnel invert.

Background

The rubber water stop belt is made up by using natural rubber and various synthetic rubbers as main raw materials, adding various assistants and fillers, plasticating, mixing and press-forming, and features more varieties and specifications, including bridge type, mountain type, P type, R type, U type, Z type, B type, T type, H type, E type and Q type, etc. said water stop material has good elasticity, wear resistance, ageing resistance and tear resistance, strong adaptability to deformation and good water-proof property, and in the course of using the water stop belt, the fixing clamp plays an important role.

Most of fixing clamps of buried water stops in tunnel inverted arch short side walls in the market are fixed by steel bar clamps, when concrete is poured into inverted arches, the buried water stops are easily distorted and deviated due to the influence of concrete gravity and fluidity, the reserved sizes are not standard, water seepage can be caused at construction joints when the water stops are serious, erosion is caused to the entity quality of tunnel engineering, potential safety hazards can be left to driving during operation, and therefore, a fixing clamp which is simple in structure and not prone to deformation is necessary to be designed, and meanwhile, the positions, the exposed sizes and the straightness of the water stops can be effectively controlled when the concrete is poured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bury formula waterstop mounting fixture in short side wall of tunnel invert to the mounting fixture who buries the formula waterstop in the short side wall of tunnel invert that proposes in solving above-mentioned background art adopts the reinforcing bar card mostly to fix, this method when the concrete is pour to the invert, bury the formula waterstop in because of receiving concrete gravity and mobile influence, very easily take place the distortion, the off tracking, reserve size nonstandard, can lead to construction joint department infiltration when serious, cause the erosion to tunnel engineering entity quality, still can leave the problem of potential safety hazard to the driving during the operation.

In order to achieve the above object, the utility model provides a following technical scheme: a middle-buried waterstop fixing clamp for an inverted arch low side wall of a tunnel comprises a positioning bolt, an inverted U-shaped clamp and a bolt, wherein a hook is fixed on the outer wall of the positioning bolt, a groove is arranged inside the positioning bolt, a convex block is arranged on the outer wall of the positioning bolt, a sliding block is fixed on the inner wall of the positioning bolt, the inverted U-shaped card is arranged on the inner side of the positioning bolt, and the outer wall of the inverted U-shaped card is welded with a fixed block, the inverted U-shaped card is internally provided with a chute, a screw is arranged in the sliding groove, square wood is arranged on the inner side of the inverted U-shaped card, a hollow groove is arranged in the square wood, a nut is arranged in the hollow groove, and the inside of the nut is provided with a through hole, the inside of the through hole is provided with a thread rope, the inner side of the square timber is provided with a buried water stop, and concrete is arranged below the square timber, and the bolts are respectively arranged inside the positioning bolt and the inverted U-shaped clamp.

Preferably, be fixed connection between the reinforcing bar of location bolt and the short side wall of inverted arch, and be fixed connection between location bolt and the slider, the location bolt passes through the slider moreover and mutually supports with the spout and constitutes sliding construction.

Preferably, the square timber is provided with two, and the inner surface of bolt closely laminates with the outside surface of square timber, and the square timber passes through the bolt and constitutes extending structure with the U type card of inversion moreover, and the surface of the inboard surface of square timber closely laminates with the surface of the formula waterstop of burying in.

Preferably, the positioning bolt is fixedly connected with the groove and the bump, and the positioning bolt forms a clamping structure through the groove and the bump.

Preferably, the nuts are arranged in two groups, two nuts are arranged in each group, and the nuts are symmetrically distributed about the central line of the square timber.

Preferably, the nut is internally provided with a radial through hole with the mesh diameter of 2.5cm, the outer surface of the cord is tightly attached to the inner surface of the through hole, and the length of the cord is 2 m.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the embedded water stop fixing clamp in the tunnel inverted arch low side wall is provided with the positioning bolt, the positioning bolt is fixedly connected with the reinforcing steel bars of the inverted arch low side wall, the positioning bolt is fixedly connected with the sliding block, and the positioning bolt is matched with the sliding groove through the sliding block to form a sliding structure;

2. the two square timbers are arranged, the inner end surfaces of the bolts are tightly attached to the outer side surfaces of the square timbers, the square timbers form a telescopic structure through the bolts and the inverted U-shaped clamps, and the inner side surfaces of the square timbers are tightly attached to the outer surfaces of the buried water stops, so that the structural stability is improved, and the position, the exposed size and the straightness of the buried water stops can be effectively controlled when concrete is poured;

3. the nut is provided with two sets ofly, and every group is provided with two, and the nut is about the central line symmetric distribution of square timber, and the inside of nut is provided with the radial through-hole that the mesh diameter is 2.5cm, the design of nut has further improved the steadiness of burying the formula waterstop in the well, the limitation that only can fix the rectangle waterstop has been changed simultaneously, the inside of nut is provided with the radial through-hole that the mesh diameter is 2.5cm, and the surface of cotton rope closely laminates with the internal surface of through-hole, and the length of cotton rope is 2m, the cotton rope, the usable cotton rope centering of user is buried the formula waterstop and is binded fixedly, the formula waterstop production skew is buried to the concrete pouring in-process in having been.

Drawings

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

FIG. 2 is a side view of the positioning pin of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. positioning a bolt; 2. inverting the U-shaped card; 3. square wood; 4. a medium-buried water stop; 5. concrete; 6. a groove; 7. a bolt; 8. hooking; 9. a bump; 10. a chute; 11. a fixed block; 12. a slider; 13. a screw; 14. a cord; 15. a through hole; 16. a nut; 17. and (4) emptying the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a buried waterstop fixing clamp in a tunnel inverted arch low side wall comprises a positioning bolt 1, an inverted U-shaped clamp 2 and a bolt 7, wherein a hook 8 is fixed on the outer wall of the positioning bolt 1, a groove 6 is arranged inside the positioning bolt 1, a bump 9 is arranged on the outer wall of the positioning bolt 1, a sliding block 12 is fixed on the inner wall of the positioning bolt 1, the inverted U-shaped clamp 2 is installed on the inner side of the positioning bolt 1, a fixing block 11 is welded on the outer wall of the inverted U-shaped clamp 2, a sliding groove 10 is installed inside the inverted U-shaped clamp 2, a screw 13 is arranged inside the sliding groove 10, a square timber 3 is installed on the inner side of the inverted U-shaped clamp 2, a hollow groove 17 is arranged inside the square timber 3, a nut 16 is arranged inside the nut 16, a through hole 15 is arranged inside the through hole 15, a thread rope 14 is arranged inside the through hole 15, a buried waterstop 4 is arranged inside the square timber 3, and concrete 5 is arranged, the bolt 7 is respectively arranged inside the positioning bolt 1 and the inverted U-shaped card 2;

the positioning bolt 1 is fixedly connected with the steel bars of the inverted arch low side wall, the positioning bolt 1 is fixedly connected with the sliding block 12, and the positioning bolt 1 is matched with the sliding groove 10 through the sliding block 12 to form a sliding structure;

the number of the square timbers 3 is two, the inner end surface of the bolt 7 is tightly attached to the outer side surface of the square timbers 3, the square timbers 3 and the inverted U-shaped clamp 2 form a telescopic structure through the bolt 7, and the inner side surface of the square timbers 3 is tightly attached to the outer surface of the buried water stop 4, so that the structural stability is improved, and the position, the exposed size and the straightness of the buried water stop 4 can be effectively controlled when concrete is poured;

the positioning bolt 1 is fixedly connected with the groove 6 and the bump 9, and the positioning bolt 1 and the bump 9 form a clamping structure through the groove 6, so that the positioning bolt 1 is convenient to clamp with each other, the occupied space is reduced, and convenience is brought to the transportation process;

the nuts 16 are arranged in two groups, two nuts are arranged in each group, the nuts 16 are symmetrically distributed about the center line of the square timber 3, radial through holes 15 with mesh diameters of 2.5cm are formed in the nuts 16, the stability of the buried water stop 4 is further improved due to the design of the nuts 16, and the limitation that only rectangular water stops can be fixed is changed;

the inside of nut 16 is provided with radial through-hole 15 that the mesh diameter is 2.5cm, and the surface of cotton rope 14 closely laminates with the internal surface of through-hole 15, and the length of cotton rope 14 is 2m moreover, and the cotton rope 14, the user can utilize cotton rope 14 to bind fixedly to burying formula waterstop 4, has avoided the appearance that the formula waterstop 4 of burying produces phenomenons such as skew, emptys among the concreting process.

The working principle is as follows: for the buried water stop fixing clamp in the tunnel inverted arch short side wall, firstly, the clamp is connected with an inverted arch steel bar through a positioning bolt 1 and fixed, meanwhile, the position of the clamp is adjusted through a bolt 7 on the positioning bolt 1, square timbers 3 are placed on two sides of a buried water stop 4, the buried water stop 4 is fixed through the bolt 7 on an inverted U-shaped clamp 2, meanwhile, a clamp is arranged every 2-3m to fix the water stop 4, after the short side wall is poured and concreted, 5, the bolt 7 on the inverted U-shaped clamp 2 is unscrewed, the square timbers 3 are taken down, then the positioning bolt 1 is dismounted, the clamp is taken down, and the use process of the buried water stop fixing clamp in the tunnel inverted arch short side wall is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bury formula waterstop mounting fixture in short side wall of tunnel invert, includes location bolt (1), inverts U type card (2) and bolt (7), its characterized in that: a hook (8) is fixed on the outer wall of the positioning bolt (1), a groove (6) is formed in the positioning bolt (1), a bump (9) is arranged on the outer wall of the positioning bolt (1), a sliding block (12) is fixed on the inner wall of the positioning bolt (1), the inverted U-shaped card (2) is installed on the inner side of the positioning bolt (1), a fixing block (11) is welded on the outer wall of the inverted U-shaped card (2), a sliding groove (10) is installed in the inverted U-shaped card (2), a screw (13) is arranged in the sliding groove (10), a square wood (3) is installed on the inner side of the inverted U-shaped card (2), an empty groove (17) is formed in the square wood (3), a nut (16) is arranged in the empty groove (17), a through hole (15) is formed in the nut (16), a thread rope (14) is arranged in the through hole (15), the buried water stop belt (4) is arranged on the inner side of the square timber (3), concrete (5) is arranged below the square timber (3), and the bolts (7) are respectively arranged inside the positioning bolt (1) and the inverted U-shaped clamp (2).

2. The inverted arch low-side wall buried water stop fixing clamp of the tunnel according to claim 1, characterized in that: the positioning bolt (1) is fixedly connected with the steel bars of the inverted arch low side wall, the positioning bolt (1) is fixedly connected with the sliding block (12), and the positioning bolt (1) is matched with the sliding groove (10) through the sliding block (12) to form a sliding structure.

3. The inverted arch low-side wall buried water stop fixing clamp of the tunnel according to claim 1, characterized in that: the square timber (3) is provided with two, and the inner surface of bolt (7) closely laminates with the outside surface of square timber (3), and square timber (3) constitute extending structure through bolt (7) and inversion U type card (2) moreover to the inboard surface of square timber (3) closely laminates with the surface of well burying formula waterstop (4).

4. The inverted arch low-side wall buried water stop fixing clamp of the tunnel according to claim 1, characterized in that: the positioning bolt (1) is fixedly connected with the groove (6) and the bump (9), and the positioning bolt (1) forms a clamping structure with the bump (9) through the groove (6).

5. The inverted arch low-side wall buried water stop fixing clamp of the tunnel according to claim 1, characterized in that: the nuts (16) are arranged in two groups, two nuts are arranged in each group, and the nuts (16) are symmetrically distributed around the central line of the square timber (3).

6. The inverted arch low-side wall buried water stop fixing clamp of the tunnel according to claim 1, characterized in that: the nut (16) is internally provided with a radial through hole (15) with the mesh diameter of 2.5cm, the outer surface of the cord (14) is tightly attached to the inner surface of the through hole (15), and the length of the cord (14) is 2 m.

Images