阅读说明：本技术 一种锚固施工中的止水装置 (Water stopping device in anchoring construction ) 是由 宋占杰 高岩 胡蝶 汪良 马金池 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种锚固施工中的止水装置,该装置由固定架、外胶管、钢绞线橡胶管、钢绞线接头、注浆管橡胶管、注浆管接头,进水管等组成。钢绞线接头和注浆管接头安装在固定架上,钢绞线橡胶管和注浆管橡胶管分别固定在其接头上；外胶管套在固定架外侧的槽上,固定紧。所有胶管固定完毕后,把整个装置插到钢绞线束的尾端,然后把钢绞线下到孔底。通过止水装置上的注水口往止水装置内注水或充气,增加内腔的压力,使外胶管向孔壁方向膨胀,同时钢绞线橡胶管和注浆管橡胶管向内凹陷,贴紧钢绞线和注浆管,这样往孔内注浆的时候,孔内的水、泥沙就不流出孔外。(The invention discloses a water stopping device in anchoring construction, which comprises a fixing frame, an outer rubber pipe, a steel strand joint, a grouting pipe rubber pipe, a grouting pipe joint, a water inlet pipe and the like. The steel strand joint and the grouting pipe joint are arranged on the fixed frame, and the steel strand rubber pipe and the grouting pipe rubber pipe are respectively fixed on the joints; the outer rubber tube is sleeved on the groove at the outer side of the fixing frame and is tightly fixed. After all the rubber tubes are fixed, the whole device is inserted into the tail end of the steel strand bundle, and then the steel strands are put down to the bottom of the hole. Water injection or aerify in going the watertight fittings through the water filling port on the watertight fittings, increase the pressure of inner chamber, make outer rubber tube expand to the pore wall direction, steel strand wires rubber tube and slip casting pipe rubber tube are inwards sunken simultaneously, paste steel strand wires and slip casting pipe tightly, like this toward downthehole slip casting time, downthehole water, silt just do not flow outside the hole.)

1. A water stop device in anchoring construction is characterized in that: the water stop device consists of a fixed frame (1), an outer rubber tube (2), a steel strand rubber tube (3), a steel strand (4), a clamp (5), a steel strand joint (6), a grouting tube rubber tube (7), a grouting tube joint (8), a water inlet tube (9) and a grouting tube (10); the steel strand joint (6) and the grouting pipe joint (8) are arranged on the fixed frame (1), the steel strand rubber pipe (3) is fixed on the steel strand joint (6), and the grouting pipe rubber pipe (7) is fixed on the grouting pipe joint (8); the outer rubber tube (2) is sleeved on the groove on the outer side of the fixing frame (1) and is fixed tightly by a hoop (5); after the fixing is finished, inserting the whole water stopping device to the tail end of the steel strand bundle, and then putting the steel strand down to the bottom of the drilled hole; water is injected into the water stopping device through a water inlet pipe (9) on the water stopping device, the pressure of an inner cavity is increased, the outer rubber pipe (2) is expanded towards the hole wall direction, meanwhile, the steel strand rubber pipe (3) and the grouting pipe rubber pipe (7) are inwards sunken and tightly attached to the steel strand (4) and the grouting pipe (10), and therefore when grouting in the hole is prevented, inside water flows out towards the ground.

2. The water stopping device in anchoring construction according to claim 1, wherein: a steel strand joint (6) and a grouting pipe joint (8) in the water stopping device are installed on a fixing frame (1) in a threaded mode, one side of the joint is a threaded smooth surface, and a steel strand rubber pipe (3) and a grouting pipe rubber pipe (7) are fixed on the threaded smooth surface.

3. The water stopping device in anchoring construction according to claim 1, wherein: the steel strand joint (6), the grouting pipe joint (8) and the fixing frame (1) can be designed into an integrated structure.

4. The water stopping device in anchoring construction according to claim 1, wherein: this stagnant water device is gone down downthehole back along with the steel strand wires, need be through inlet tube (9) toward the interior intermittent water injection of intracavity, guarantees the pressure of inner chamber, and then guarantees that the rubber tube hugs closely pore wall and steel strand wires.

5. The water stopping device in anchoring construction according to claim 1, wherein: the pressurizing medium used in the water stopping device is water or gas.

6. The water stopping device in anchoring construction according to claim 1, wherein: the outer rubber tube (2), the steel strand rubber tube (3) and the grouting tube rubber tube (7) are bonded and fixed by using a hoop or glue.

7. The water stopping device in anchoring construction according to claim 1, wherein: during operation, after the anchoring construction hole is formed and the steel strand bundle is bound, the water stopping device is inserted into the tail end of the steel strand bundle, and then the steel strand is put to the bottom of the hole; or the steel strand is arranged in the hole from the exposed end of the steel strand after being placed in the drilled hole; water is injected into the water stopping device through a water inlet pipe (9) on the water stopping device, the pressure P of the inner cavity is increased, the outer rubber pipe (2) is expanded towards the hole wall direction, meanwhile, the steel strand rubber pipe (3) and the grouting pipe rubber pipe (7) are inwards sunken and tightly attached to the steel strand (4) and the grouting pipe (10), and therefore when grouting in the hole is prevented, inside water flows out towards the ground.

Technical Field

The invention belongs to a water stopping device in anchor bolt supporting technology, and relates to a structure for efficiently and conveniently preventing underground water from flowing out of the ground.

Background

With the continuous development of building construction and urban construction in China, the anchor rod technology can immediately provide support after stratum excavation, protect the original strength of the stratum, prevent further disturbance of the stratum, improve the shear strength of a weak structural plane and a potential slip plane of the stratum, improve the mechanical parameters of the stratum, and meanwhile, the anchor rod has the characteristics of flexible structure, convenience in adjustment, material saving, obvious effect and the like, so that the anchor rod technology is applied more and more, the range is wider and more, and the encountered geological conditions are more and more complicated.

Chinese patent 201821455609.8 discloses a rapid anchoring device for preventing reservoir landslide, comprising: reinforcing bar, cylindricality waterproof bag and cylindricality wrapping bag, the cylindricality waterproof bag cover is established in the outside of cylindricality wrapping bag, be provided with the concrete in the cylindricality wrapping bag and fill and form the cylindricality structure, during the reinforcing bar set up the concrete, and on the top of reinforcing bar extended to the concrete top surface, the reinforcing bar bottom is provided with the ejector pad, the ejector pad is located the bottom of cylindricality wrapping bag and carries on spacingly to the concrete of top, the cylindricality waterproof bag is the sealed cylindricality waterproof plastic bag in bottom. In this way, prevent quick anchor of reservoir landslide, the concrete pre-installation in the cylindricality wrapping bag, the cylindricality structure of formation can directly fill in the anchor hole, the construction is swift, utilizes the cylindricality wrapping bag to carry out the water guide, accelerates the drying of concrete for domatic structure is more stable, effectively reduces the risk of landslide. Chinese patent 201610052026.X discloses a geomembrane anchor structure and an anchoring method, geomembrane anchor structure includes first stage concrete body, elasticity stagnant water backing plate, geomembrane and fastener, elasticity stagnant water backing plate lays in first stage concrete body on the surface, partly laying of geomembrane is in on the surface of elasticity stagnant water backing plate, the fastener will the geomembrane and elasticity stagnant water backing plate compress tightly in on the first stage concrete body. The invention utilizes the elasticity of the elastic water stop backing plate to lead the geomembrane to be tightly jointed with the elastic water stop backing plate and the first-stage concrete body, thereby effectively preventing the leakage of external water. The technical scheme not only ensures the firmness and durability of the anchoring structure, but also ensures that the water-stopping and leakage-preventing effects of the anchoring structure are good so as to ensure that an anti-seepage system can effectively play a role.

The steel strand pre-tightening in the subsequent drilling process also faces a plurality of problems, wherein grouting into the hole and outflow of underground water are very difficult to solve at the present stage; the water outflow causes uneven grouting, the slurry strength is insufficient, and even the phenomenon of upwelling appears, so that the construction requirement can not be met.

Disclosure of Invention

The invention provides the water stopping device for anchoring construction, which has low cost and obvious effect. The device is sleeved on the steel strand bundle, a closed container is formed by rubber pipes, high-pressure water is injected into an inner cavity, the closed elastic container is expanded and placed at the tail end of the steel strand bundle like a plug, and the water stopping effect is achieved. The method is simple and convenient, is convenient for constructors to operate, and solves the problem of difficult water stop in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides a stagnant water device in anchor construction, this stagnant water device comprises mount 1, outer rubber tube 2, steel strand wires rubber tube 3, steel strand wires 4, clamp 5, steel strand wires joint 6, slip casting pipe rubber tube 7, slip casting pipe joint 8, inlet tube 9 and slip casting pipe 10 etc.. The steel strand joint 6 and the slip casting pipe joint 8 are arranged on the fixed frame 1, the steel strand rubber pipe 3 is fixed on the steel strand joint 6, and the slip casting pipe rubber pipe 7 is fixed on the slip casting pipe joint 8; the outer rubber tube 2 is sleeved on the groove at the outer side of the fixing frame 1 and is fixed tightly by a hoop 5. After the fixing is finished, the whole water stopping device is inserted into the tail end of the steel strand bundle, and then the steel strand is put down to the bottom of the drilled hole. Water injection in toward the watertight fittings through the inlet tube 9 on the watertight fittings increases the pressure of inner chamber, makes outer rubber tube 2 expand to the pore wall direction, and steel strand wires rubber tube 3 and slip casting pipe rubber tube 7 are inwards sunken simultaneously, pastes tight steel strand wires 4 and slip casting pipe 10, and when just so preventing downthehole slip casting, inside water flows toward ground.

As a further scheme of the invention: a steel strand joint 6 and a grouting pipe joint 8 in the water stopping device are installed on a fixing frame 1 in a threaded mode, one side of the joint is a threaded smooth surface, and a steel strand rubber pipe 3 and a grouting pipe rubber pipe 7 are fixed on the threaded smooth surface.

As a still further aspect of the present invention: the steel strand joint 6, the grouting pipe joint 8 and the fixing frame 1 can be designed into an integrated structure, and the operation is more convenient and faster.

As a further scheme of the invention: this sealing device is downthehole back down along with the steel strand bundle, need be through inlet tube 9 toward the interior intermittent water injection of intracavity, guarantees the pressure of inner chamber, and then guarantees that the rubber tube hugs closely pore wall and steel strand wires.

As a further scheme of the invention: the pressurizing medium used in the water stopping device is water, and can also be gas or other fillers.

As a further scheme of the invention: the outer rubber tube 2, the steel strand rubber tube 3 and the grouting tube rubber tube 7 are bonded and fixed by using a hoop or glue. .

The water stopping device for anchoring construction has the advantages of low cost and obvious effect. The device comprises a closed elastic container formed by rubber pipes, and high-pressure water is injected into the inner cavity of the elastic container to expand the closed elastic container to form a plug which is placed at the tail end of the steel strand bundle to play a role in stopping water. The method is simple, convenient and quick, can be installed in the steel strand and put into the hole, and immediately pressurizes, so that water can be stopped and leaking stoppage instantly, and the leakage condition can not occur when the steel strand is expanded and pulled, thereby facilitating the operation of constructors and solving the problem of difficult water stopping in the prior art.

The fixing frame 1 (lockset) cited in the invention is four-hole, and can also be in the forms of two holes, three holes, five holes, six holes, seven holes and the like.

Drawings

Fig. 1 is a general view of the structure of a water stopping device.

Fig. 2 is a schematic diagram of the construction of the water stopping device.

In fig. 1: 1. the device comprises a fixing frame, 2, an outer rubber pipe, 3, a steel strand rubber pipe, 4, a steel strand, 5, a hoop, 6, a steel strand joint, 7, a grouting pipe rubber pipe, 8, a grouting pipe joint, 9, a water injection pipe, 10 and a grouting pipe.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples.

As shown in fig. 1-2, preparation works: a steel strand joint 6 and a grouting pipe joint 8 are arranged on a fixed frame 1, and a steel strand rubber pipe 3 and a grouting pipe rubber pipe 7 are respectively fixed on the joints; the outer rubber tube 2 is sleeved on the groove at the outer side of the fixing frame 1 and is fixed tightly by a hoop 5.

When in work: after the anchoring construction hole is formed and the steel strand bundle is bound, inserting the water stopping device to the tail end of the steel strand bundle, and then lowering the steel strand to the bottom of the hole; or the steel strand is arranged in the hole from the exposed end of the steel strand after being placed in the drilled hole. Water injection in toward the watertight fittings through the inlet tube 9 on the watertight fittings increases the pressure P of inner chamber, makes outer rubber tube 2 expand to the pore wall direction, and steel strand wires rubber tube 3 and slip casting pipe rubber tube 7 are inwards sunken simultaneously, pastes tight steel strand wires 4 and slip casting pipe 10, and when just so preventing downthehole slip casting, inside water flows toward ground.