CN216040751U

CN216040751U - Bridge head grouting device for highway bridge engineering

Info

Publication number: CN216040751U
Application number: CN202122673659.1U
Authority: CN
Inventors: 吴迎新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-15
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a bridgehead grouting device for highway bridge engineering, which comprises a main grouting pipeline, wherein the main grouting pipeline comprises a main pipeline body, the outer wall of the main grouting pipeline is fixedly connected with a hydraulic sleeve, the top of the outer wall of the hydraulic sleeve is fixedly connected with a connecting ring, a plurality of groups of hydraulic positioning blocks are arranged on the peripheral side of the hydraulic sleeve, and limiting holes corresponding to the hydraulic positioning blocks are formed in the peripheral side of the hydraulic sleeve; one side fixedly connected with oiling interface of go-between outer wall, the one end that the go-between was kept away from to the oiling interface is provided with first screwed joint, one side fixedly connected with oil return pipe that the oiling interface was kept away from to the outer wall of go-between. According to the utility model, by designing the main grouting pipeline and the external hydraulic positioning mechanism, the main grouting pipeline can be stably positioned and fixed before grouting, the stability of the main grouting pipeline after being inserted into a drilled hole is ensured, the main grouting pipeline cannot easily shake and cannot be extruded out under high pressure, and the working efficiency is greatly improved.

Description

Bridge head grouting device for highway bridge engineering

Technical Field

The utility model relates to the field of grouting equipment, in particular to a bridgehead grouting device for highway bridge engineering.

Background

The highway bridge engineering refers to the whole work of planning, designing, constructing, maintaining, repairing and the like of structures of roads crossing water areas, valleys and all traffic channels. Highway bridge construction includes main bridge (i.e. upper bridge structure and lower bridge structure) construction and auxiliary engineering facilities in the bridge location population. The auxiliary engineering facilities are various, such as structures for regulating and controlling water flow, such as revetments and diversion dikes for keeping stable riverways at bridge positions, approach bridges with bridge heads connected with highways, railings for preventing wheels from colliding on bridge floors, sidewalk railings for ensuring pedestrian safety, on-bridge signs, under-bridge navigation signs, bridge floor lighting equipment and the like. In addition, the bridge in the earthquake region is also provided with a shock-proof device, the suspension cable traction of the cable-stayed bridge is provided with an additional device for preventing pneumatic resonance, the movable bridge is provided with a mechanical device, and the bridge on the ice-flowing river is provided with an ice breaking device and the like. Grouting in building engineering is a method of injecting certain curable grout into cracks or pores of geotechnical foundations by using a proper method, and improving the physical and mechanical properties of the grout through replacement, filling, extrusion and the like.

In the highway bridge engineering construction process, when defect or local fracture appear in the bridge engineering, generally all need carry out the slip casting and remedy, traditional slip casting mode adopts drilling slip casting mostly, punches at the fracture department earlier, then inserts the slip casting pipe in the drilling and carries out pressure boost slip casting, but current slip casting pipe all adopts the straight tube structure, still needs the manual work to hand at the slip casting in-process, when too big pressure, still need many people to go supplementary, not only wasted a large amount of manpower and materials, also had certain potential safety hazard simultaneously.

Therefore, it is desirable to provide a bridgehead grouting device for highway bridge engineering to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the existing grouting pipes are all of a straight pipe structure, manual holding is needed in the grouting process, and when the pressure is too high, a plurality of persons need to assist, so that a large amount of manpower and material resources are wasted, and certain potential safety hazards also exist.

In order to solve the technical problems, the utility model adopts a technical scheme that: the bridge head grouting device for the highway bridge engineering comprises a main grouting pipeline, wherein the main grouting pipeline comprises a main pipe body, a grouting head is arranged at the bottom end of the main pipe body, a connecting pipe is fixedly connected to the top of the main pipe body, and a butt-joint clamping ring is fixedly connected to the top of the outer wall of the connecting pipe;

the outer wall of the main grouting pipeline is fixedly connected with a hydraulic sleeve, the top of the outer wall of the hydraulic sleeve is fixedly connected with a connecting ring, a plurality of groups of hydraulic positioning blocks are arranged on the periphery of the hydraulic sleeve, and limiting holes corresponding to the hydraulic positioning blocks are formed in the periphery of the hydraulic sleeve;

one side fixedly connected with oiling interface of go-between outer wall, the one end that the go-between was kept away from to the oiling interface is provided with first screwed joint, one side fixedly connected with that the oiling interface was kept away from to the outer wall of go-between returns the oil pipe, one-way relief valve is installed to the one end of returning the oil pipe, one-way relief valve is kept away from the one end that returns the oil pipe and is provided with second screwed joint.

Preferably, the slip casting head is the fillet structure, and the slip casting head that is fillet structural design is simple structure not only, also is convenient for insert drilling fast simultaneously, reduces the hindrance when the slip casting head inserts the drilling inner wall.

Preferably, be responsible for body, slip casting head, connecting pipe and butt joint snap ring formula structure as an organic whole, integral type structural design's be responsible for body, slip casting head, connecting pipe and butt joint snap ring not only simple structure is firm, also can not take place to damage easily simultaneously.

Preferably, hydraulic sleeve's inside is hollow structure, and inside is that hollow structure design's hydraulic sleeve is used for the injection of hydraulic oil, and after a large amount of hydraulic oil was injected hydraulic sleeve, hydraulic oil under the high pressure state can be ejecting in step with multiunit hydraulic positioning piece to make multiunit hydraulic positioning piece and the inseparable laminating of drilling inner wall, thereby guaranteed the stability behind main slip casting pipeline inserted the drilling, neither can appear rocking easily, also can not extruded by high pressure simultaneously.

Preferably, the hydraulic sleeve and the connecting ring are communicated with each other, so that hydraulic oil can smoothly enter the hydraulic sleeve after entering the connecting ring through the oil filling connector.

Preferably, the multiunit hydraulic pressure locating piece all is in the week side evenly distributed of hydraulic pressure sleeve pipe outer wall, and the multiunit hydraulic pressure locating piece of week side evenly distributed of hydraulic pressure sleeve pipe outer wall can press from both sides tightly with the all-round laminating of drilling inner wall ejecting back, prevents that not hard up or the condition of being extruded from appearing in main slip casting pipeline.

Preferably, the quantity of hydraulic pressure locating piece is four groups, and a plurality of hydraulic pressure locating piece are cuboid block structure, and the hydraulic pressure locating piece of cuboid block structure design can increase and the drilling inner wall between the frictional force to can play the condition that prevents to drop.

The utility model has the following beneficial effects:

1. according to the utility model, by designing the main grouting pipeline and the external hydraulic positioning mechanism, the main grouting pipeline can be stably positioned and fixed before grouting, the stability of the main grouting pipeline after being inserted into a drilled hole is ensured, the main grouting pipeline cannot easily shake and cannot be extruded out under high pressure, and the working efficiency is greatly improved;

2. according to the utility model, by designing the main pipe body, the grouting head, the connecting pipe and the butt-joint clamping ring which are of an integrated structure, the structure is simple and firm, and meanwhile, the main pipe body, the grouting head, the connecting pipe and the butt-joint clamping ring cannot be easily damaged;

3. according to the utility model, the hydraulic positioning mechanism with simple design can replace manpower to complete the work of a hand grouting pipeline, so that a large amount of manpower and material resources are saved, and the potential safety hazard in the construction process is reduced.

Drawings

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

FIG. 2 is a schematic structural diagram of a main grouting pipe according to the present invention;

fig. 3 is a side view structural view of the hydraulic positioning mechanism of the present invention.

In the figure: 1. a main grouting pipe; 101. a primary tube; 102. a grouting head; 103. a connecting pipe; 104. butting the snap ring; 2. a hydraulic bushing; 3. a connecting ring; 4. a hydraulic positioning block; 5. a limiting hole; 6. an oiling interface; 7. an oil return pipe; 8. a one-way pressure relief valve; 9. a second threaded joint; 10. a first threaded joint.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1 and 2, a bridgehead grouting device for highway bridge engineering comprises a main grouting pipeline 1, wherein the main grouting pipeline 1 comprises a main pipeline body 101, a grouting head 102 is arranged at the bottom end of the main pipeline body 101, a connecting pipe 103 is fixedly connected to the top of the main pipeline body 101, and a butt-joint snap ring 104 is fixedly connected to the top of the outer wall of the connecting pipe 103; the grouting head 102 is in a round angle structure, and the grouting head 102 in the round angle structure design is simple in structure, convenient to insert into a drill hole quickly and capable of reducing obstruction when the grouting head 102 is inserted into the inner wall of the drill hole; main pipe body 101, slip casting head 102, connecting pipe 103 and butt joint snap ring 104 formula structure as an organic whole, and the main pipe body 101, slip casting head 102, connecting pipe 103 and the butt joint snap ring 104 of integral type structural design not only simple structure is firm, also can not take place easily the damage simultaneously.

As shown in fig. 3, a hydraulic sleeve 2 is fixedly connected to the outer wall of the main grouting pipeline 1, a connecting ring 3 is fixedly connected to the top of the outer wall of the hydraulic sleeve 2, a plurality of groups of hydraulic positioning blocks 4 are arranged on the periphery of the hydraulic sleeve 2, and limiting holes 5 corresponding to the plurality of groups of hydraulic positioning blocks 4 are formed on the periphery of the hydraulic sleeve 2; the interior of the hydraulic sleeve 2 is of a hollow structure, the hydraulic sleeve 2 with the interior designed to be of the hollow structure is used for injecting hydraulic oil, and when a large amount of hydraulic oil is injected into the hydraulic sleeve 2, the hydraulic oil in a high-pressure state can synchronously eject multiple groups of hydraulic positioning blocks 4, so that the multiple groups of hydraulic positioning blocks 4 are tightly attached to the inner wall of a drilled hole, the stability of the main grouting pipeline 1 after being inserted into the drilled hole is ensured, the main grouting pipeline cannot easily shake and cannot be extruded out at high pressure; the hydraulic sleeve 2 and the connecting ring 3 are communicated with each other, so that hydraulic oil can smoothly enter the hydraulic sleeve 2 after entering the connecting ring 3 through the oil filling connector 6.

As shown in fig. 3, an oil filling connector 6 is fixedly connected to one side of the outer wall of the connecting ring 3, a first threaded joint 10 is arranged at one end, away from the connecting ring 3, of the oil filling connector 6, an oil return pipe 7 is fixedly connected to one side, away from the oil filling connector 6, of the outer wall of the connecting ring 3, a one-way pressure release valve 8 is installed at one end of the oil return pipe 7, and a second threaded joint 9 is arranged at one end, away from the oil return pipe 7, of the one-way pressure release valve 8; the multiple groups of hydraulic positioning blocks 4 are uniformly distributed on the peripheral side of the outer wall of the hydraulic sleeve 2, and the multiple groups of hydraulic positioning blocks 4 uniformly distributed on the peripheral side of the outer wall of the hydraulic sleeve 2 can be attached and clamped with the inner wall of a drill hole in an all-around manner after being ejected out, so that the main grouting pipeline 1 is prevented from being loosened or extruded; the quantity of hydraulic pressure locating piece 4 is four groups, and a plurality of hydraulic pressure locating piece 4 are cuboid block structure, and the hydraulic pressure locating piece 4 of cuboid block structure design can increase and the drilling inner wall between the frictional force to can play the condition that prevents to drop.

When the grouting device is used, after drilling is finished, the grouting device is inserted into a drill hole, then a hydraulic oil pipe is connected to the oil injection port 6, after hydraulic oil is pumped into the oil injection port 6, a large amount of hydraulic oil is injected into the hydraulic sleeve 2, the hydraulic oil in a high-pressure state can synchronously eject out the multiple groups of hydraulic positioning blocks 4, so that the multiple groups of hydraulic positioning blocks 4 are tightly attached to the inner wall of the drill hole, the stability of the main grouting pipeline 1 after being inserted into the drill hole is ensured, the main grouting pipeline 1 cannot easily shake and cannot be extruded out under high pressure, after the main grouting pipeline 1 is positioned, the grouting pipe is butted with the connecting pipe 103, and then grouting operation can be carried out.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a bridge head slip casting device for public road bridge roof beam engineering, includes main slip casting pipeline (1), its characterized in that: the main grouting pipeline (1) comprises a main pipeline body (101), a grouting head (102) is arranged at the bottom end of the main pipeline body (101), a connecting pipe (103) is fixedly connected to the top of the main pipeline body (101), and a butt joint snap ring (104) is fixedly connected to the top of the outer wall of the connecting pipe (103);

the outer wall of the main grouting pipeline (1) is fixedly connected with a hydraulic sleeve (2), the top of the outer wall of the hydraulic sleeve (2) is fixedly connected with a connecting ring (3), a plurality of groups of hydraulic positioning blocks (4) are arranged on the periphery of the hydraulic sleeve (2), and limiting holes (5) corresponding to the hydraulic positioning blocks (4) are formed in the periphery of the hydraulic sleeve (2);

one side fixedly connected with oiling interface (6) of go-between (3) outer wall, the one end that go-between (3) were kept away from in oiling interface (6) is provided with first screwed joint (10), one side fixedly connected with that oiling interface (6) were kept away from to the outer wall of go-between (3) returns oil pipe (7), one-way relief valve (8) are installed to the one end of returning oil pipe (7), the one end that one-way relief valve (8) were kept away from and are returned oil pipe (7) is provided with second screwed joint (9).

2. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the grouting head (102) is in a round angle structure.

3. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the main pipe body (101), the grouting head (102), the connecting pipe (103) and the butt joint clamping ring (104) are of an integrated structure.

4. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the interior of the hydraulic sleeve (2) is of a hollow structure.

5. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the hydraulic sleeve (2) and the connecting ring (3) are communicated with each other.

6. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the hydraulic positioning blocks (4) are uniformly distributed on the periphery of the outer wall of the hydraulic sleeve (2).

7. The bridge head grouting device for the road and bridge engineering of claim 1, wherein: the hydraulic positioning blocks (4) are four groups, and the hydraulic positioning blocks (4) are all of cuboid block structures.