A water-stopping plugging device for a rotary jet anchor cable penetrating a water-stop curtain

Abstract

A water-stopping and plugging device for a rotary jet anchor cable that passes through a water-stop curtain, comprising a water-stop base assembly and a plugging base assembly; the water-stop base assembly is inserted into the plugging base assembly for fixing; the water-stop base assembly comprises a small fixing plate (5), an expansion water-stop pipe (6) and a plugging pipe (7); the plugging base assembly comprises a fixing plate (1), a thick water-stop sheet (2), a base (3) and a steel anchor cable (4). The utility model combines the process characteristics of the rotary jet anchor cable, utilizes the traction force of the rotary jet anchor cable, synchronously brings the plugging device into the end of the water-stop curtain, utilizes the expansion water-stop sheet to swell when it encounters water, so that the device and the drilled soil, and the steel anchor cable and the threading hole are tightly fitted to achieve a sealing effect, and at the same time the plugging pipe is inserted into the reserved hole of the component base, and the end rebounds and expands to achieve reverse tensioning, thereby achieving the final sealing and water-stopping effect.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering construction, in particular to a water-stopping and plugging device for a rotary jet anchor cable penetrating a water-stop curtain. Background Art

[0002] In civil engineering construction, especially in underground engineering and water conservancy projects, controlling groundwater leakage is an important part of ensuring the safety and stability of the project. However, due to the complexity of geological conditions and the challenges of construction difficulty, achieving effective water-stopping effect has always been a technical problem. On this basis, in order to further improve the water-stopping effect and construction efficiency, we proposed a technical solution for a water-stopping and plugging device with a rotary jet anchor cable running through the water-stopping curtain. Traditional water-stopping technologies, such as grouting water-stopping, filling, and water-stopping capsules, although they can control groundwater leakage to a certain extent, often have problems such as unstable effects and poor adaptability, and it is difficult to meet the water-stopping needs under complex geological conditions. Utility Model Content

[0003] In order to solve this problem, we have researched and developed a water-stopping device for jet-jet anchor cables penetrating water-stop curtains, which is used in underground engineering jet-jet anchor cable construction penetrating water-stop curtain water-stopping technology. This device further improves the water-stopping effect, has the advantages of simple construction and strong adaptability, and provides a more reliable water-stopping solution for underground engineering construction, especially for groundwater control under complex geological conditions, and has important practical significance and application value.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A water-stopping and plugging device for a rotary jet anchor cable penetrating a water-stop curtain, comprising a water-stop base component A and a plugging base component B; the water-stop base component A is inserted into the plugging base component B for fixing; wherein: the water-stop base component A comprises a small fixing plate 5, an expansion water-stop pipe 6 and a plugging pipe 7; the outer front part of the plugging pipe 7 is sleeved with a hollow expansion water-stop pipe 6, the outer rear part of the plugging pipe 7 is sleeved with a small annular fixing plate 5, the small fixing plate 5 is used to expand the expansion water-stop pipe 6, and the plugging pipe 7 is sleeved with a small annular fixing plate 5. The water pipe 6 is firmly fixed on the outer side of the blocking pipe 7; the blocking base assembly B includes a fixed plate 1, a thick water stop plate 2, a base 3 and a steel anchor cable 4, the outer front part of the base 3 is sleeved with a hollow thick water stop plate 2, the outer rear part of the base 3 is sleeved with a circular ring-shaped fixed plate 1, and the fixed plate 1 is used to firmly fix the base 3 on the outer side of the base 3; the fixed plate 1, the thick water stop plate 2 and the base 3 are all provided with through holes, and the steel anchor cable 4 is inserted and installed in the through holes.

[0006] A process flow of a water-stopping plugging device in which a rotary jet anchor cable passes through a water-stop curtain comprises the following steps: manufacturing of a steel anchor cable 4 → installing and fixing the tail end of the steel anchor cable 4 on a plugging base → introducing the steel anchor cable through a rotary jet hole made by a drilling machine → passing a drill rod through the plugging base → introducing the plugging base into position C of the water-stop curtain → pulling out the drill rod → inserting the water-stop base into the plugging base for plugging using a plugging rod 8 → pulling out the plugging rod 8 → constructing the next one.

[0007] A construction process of a water-stopping plugging device in which a rotary jet anchor cable passes through a water-stopping curtain, comprising the following steps: step (1) manufacturing of steel anchor cables and installation of a plugging base: after the steel anchor cable is manufactured, it is inserted into the plugging base from the tail of the steel anchor cable, and the tail of the plugging base is firmly fixed; step (2) drilling a hole with a drilling rig, and the steel anchor cable is brought into the plugging base; the drilling rig brings the steel anchor cable into the tail of the plugging base, and the drill rod passes through the plugging base and is brought into the water-stopping curtain C together with the plugging base; step (3) after the hole is completed, the drill rod is pulled out, and a plugging head is inserted into the plugging base using a plugging rod 8, and the head of the plugging head is used to rebound and expand, reverse tension is applied, and the plugging rod 8 is pulled out to complete the final plugging.

[0008] The utility model also has the following additional technical features:

[0009] As a further specific optimization of the technical solution of the utility model: it also includes a blocking rod 8. After the blocking rod 8 is inserted into the water stop base component A, the water stop base component A is then inserted into the blocking base component B for fixation.

[0010] As a further specific optimization of the technical solution of the utility model: the blocking rod 8 is arranged in a T shape as a whole, and the blocking rod 8 includes a short horizontal tube and a long vertical tube welded together.

[0011] As a further specific optimization of the technical solution of the utility model: the length of the blocking tube 7 is greater than the sum of the lengths of the small fixed disk 5 and the expansion water stop tube 6; the outer diameter of the blocking tube 7 is smaller than the inner diameter of the blocking rod 8; the small fixed disk 5 and the blocking tube 7 are fixed by threaded connection.

[0012] As a further specific optimization of the technical solution of the utility model: the length of the base 3 is equal to the sum of the lengths of the small fixed disk 5 and the expansion water stop tube 6; the inner diameter of the base 3 is larger than the outer diameter of the expansion water stop tube 6; the inner diameter of the base 3 is smaller than the outer diameter of the small fixed disk 5; the fixed disk 1 and the base 3 are fixed by threaded connection.

[0013] As a further specific optimization of the technical solution of the utility model: the front end of the steel anchor cable 4 is bent inwards.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model combines the technological characteristics of rotary jet anchor cables and utilizes the traction force of the rotary jet anchor cables to synchronously bring the plugging device into the C-end of the water-stop curtain, and utilizes the expansion water-stop plate to swell when it encounters water, so that the device and the drilled soil, and the steel anchor cable and the threading hole fit tightly to achieve a sealing effect. At the same time, the plugging pipe is plugged into the reserved hole in the base of the component, and the end rebounds and expands to achieve reverse tensioning, thereby achieving the final sealing and water-stopping effect.

[0016] The utility model can speed up the construction progress, reduce the construction cost, has the advantages of quick and simple construction, good water-stopping and sealing effect, low processing and production cost, and in case of special working conditions, can combine a variety of water-stopping measures to achieve the best water-stopping effect.

[0017] The utility model can adjust the device diameter, rod hole diameter and the number of steel anchor cable holes according to parameters such as the rotary grouting anchor cable hole diameter, the equipment drill rod diameter and the number of steel anchor cables, so as to adapt to the water-stopping plugging of the rotary grouting anchor cables of different designs and models penetrating the water-stop curtain C. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cutaway stereoscopic schematic diagram of the utility model;

[0019] Figure 2 It is a cutaway stereogram of the utility model;

[0020] Figure 3 This is a three-dimensional disassembly diagram of the plugging base of the utility model;

[0021] Figure 4 This is a three-dimensional disassembly diagram of the plugging head of the utility model;

[0022] Figure 5 This is a schematic diagram of the plugging principle of the utility model;

[0023] Figure 6 It is a schematic diagram of the sealing and water-stopping curtain C of the utility model.

[0024] Explanation of the reference numerals: fixed plate 1, thick water stop plate 2, base 3, steel anchor cable 4, small fixed plate 5, expansion water stop pipe 6, sealing pipe 7, sealing rod 8. DETAILED DESCRIPTION

[0025] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] The purpose of the utility model is to provide a water-stopping and plugging device for a rotary jet anchor cable penetrating a water-stop curtain, which has the advantages of simple structure, quick construction, good water-stopping and plugging effect, low processing and production cost, and can achieve good results with a variety of water-stopping measures. The device comprises a water-stopping base component A and a plugging base component B; the water-stopping base component A is inserted into the plugging base component B for fixation.

[0028] The water stop base assembly A includes a small fixed disk 5, an expansion water stop tube 6 and a plugging tube 7; the outer front part of the plugging tube 7 is sleeved with a hollow expansion water stop tube 6, and the outer rear part of the plugging tube 7 is sleeved with a small ring-shaped fixed disk 5, and the small fixed disk 5 is used to firmly fix the expansion water stop tube 6 on the outer side of the plugging tube 7. The length of the plugging tube 7 is greater than the sum of the lengths of the small fixed disk 5 and the expansion water stop tube 6; the outer diameter of the plugging tube 7 is smaller than the inner diameter of the plugging rod 8; the small fixed disk 5 and the plugging tube 7 are fixed by threaded connection.

[0029] The plugging base assembly B includes a fixing plate 1, a thick waterproof sheet 2, a base 3 and a steel anchor cable 4. The outer front of the base 3 is sleeved with a hollow thick waterproof sheet 2, and the outer rear of the base 3 is sleeved with a circular fixing plate 1. The fixing plate 1 is used to firmly fix the base 3 on the outer side of the base 3. The fixing plate 1, the thick waterproof sheet 2 and the base 3 are all provided with through holes, and the steel anchor cable 4 is inserted and installed in the through holes. The front end of the steel anchor cable 4 is bent inward.

[0030] The length of the base 3 is equal to the sum of the lengths of the small fixed plate 5 and the expansion water stop tube 6; the inner diameter of the base 3 is larger than the outer diameter of the expansion water stop tube 6; the inner diameter of the base 3 is smaller than the outer diameter of the small fixed plate 5; the fixed plate 1 and the base 3 are fixed by threaded connection.

[0031] The water-stopping plugging device also includes a plugging rod 8. After the plugging rod 8 is inserted into the water-stopping base assembly A, the water-stopping base assembly A is then inserted into the plugging base assembly B for fixation. The plugging rod 8 is arranged in a T shape as a whole, and the plugging rod 8 includes a short horizontal tube and a long vertical tube welded together.

[0032] Example 2

[0033] The process flow of the water-stopping plugging device in which the rotary jet anchor cable passes through the water-stop curtain includes the following steps: the steel anchor cable 4 is manufactured → the tail of the steel anchor cable 4 is installed and fixed on the plugging base → the drilling machine rotary jets a hole to bring in the steel anchor cable → the drill rod passes through the plugging base → the plugging base is brought into the water-stop curtain C position → the drill rod is pulled out → the water-stop base is inserted into the plugging base for plugging using the plugging rod 8 → the plugging rod 8 is pulled out → the next one is constructed.

[0034] Example 3

[0035] The construction process of the water-stopping plugging device with the jet-jet anchor cable penetrating the water-stop curtain includes the following steps:

[0036] Step (1) Fabrication of steel anchor cable and installation of plugging base: After the steel anchor cable is fabricated, the tail of the steel anchor cable is inserted into the plugging base, and the tail of the plugging base is firmly fixed.

[0037] Step (2) drilling a hole with a drilling rig and bringing the steel anchor cable into the plugging base;

[0038] The drilling rig brings in the steel anchor cable when drilling a hole, and then brings it to the tail end of the plugging base. The drill rod passes through the plugging base and is brought into the water-stop curtain C together with the plugging base.

[0039] Step (3) After the hole is drilled, the drill rod is pulled out, and the plugging head is inserted into the plugging base using the plugging rod 8. The plugging head is expanded by rebounding, reverse tension is applied, and the plugging rod 8 is pulled out to complete the final plugging.

[0040] In summary, Example 1-Example 3:

[0041] The utility model combines the technological characteristics of rotary jet anchor cables and utilizes the traction force of the rotary jet anchor cables to synchronously bring the plugging device into the C-end of the water-stop curtain, and utilizes the expansion water-stop plate to swell when it encounters water, so that the device and the drilled soil, and the steel anchor cable and the threading hole fit tightly to achieve a sealing effect. At the same time, the plugging pipe is plugged into the reserved hole in the base of the component, and the end rebounds and expands to achieve reverse tensioning, thereby achieving the final sealing and water-stopping effect.

[0042] The utility model can speed up the construction progress, reduce the construction cost, has the advantages of quick and simple construction, good water-stopping and sealing effect, low processing and production cost, and in case of special working conditions, can combine a variety of water-stopping measures to achieve the best water-stopping effect.

[0043] The utility model can adjust the device diameter, rod hole diameter and the number of steel anchor cable holes according to parameters such as the rotary grouting anchor cable hole diameter, the equipment drill rod diameter and the number of steel anchor cables, so as to adapt to the water-stopping plugging of the rotary grouting anchor cables of different designs and models penetrating the water-stop curtain C.

[0044] The above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention but merely represents selected embodiments of the present invention.

Claims

1. A water-stopping plugging device for a rotary jet anchor cable penetrating a water-stop curtain, characterized in that: It includes a water stop base component and a plugging base component; the water stop base component is inserted into the plugging base component for fixing; wherein: The water-stop base assembly comprises a small fixing plate (5), an expansion water-stop pipe (6) and a plugging pipe (7); the front outer portion of the plugging pipe (7) is sleeved with a hollow expansion water-stop pipe (6), the rear outer portion of the plugging pipe (7) is sleeved with a small ring-shaped fixing plate (5), and the small fixing plate (5) is used to firmly fix the expansion water-stop pipe (6) on the outer side of the plugging pipe (7); The blocking base assembly comprises a fixing plate (1), a thick water stop plate (2), a base (3) and a steel anchor cable (4); the outer front portion of the base (3) is sleeved with a hollow thick water stop plate (2); the outer rear portion of the base (3) is sleeved with a circular ring-shaped fixing plate (1); the fixing plate (1) is used to firmly fix the base (3) on the outer side of the base (3); the fixing plate (1), the thick water stop plate (2) and the base (3) are all provided with through holes, and the steel anchor cable (4) is inserted and installed in the through holes.

2. A water-stopping and plugging device for a rotary jet anchor cable penetrating a water-stop curtain according to claim 1, characterized in that: It also includes a blocking rod (8), after which the blocking rod (8) is inserted into the water-stop base assembly, the water-stop base assembly is then inserted into the blocking base assembly for fixation.

3. A water-stopping plugging device for a rotary jet anchor cable penetrating a water-stop curtain according to claim 2, characterized in that: The blocking rod (8) is arranged in a T-shape as a whole, and comprises a short horizontal tube and a long vertical tube welded together.

4. A water-stopping and plugging device for a jet-jet anchor cable penetrating a water-stop curtain according to claim 1, characterized in that: The length of the blocking tube (7) is greater than the sum of the lengths of the small fixed disk (5) and the expansion water stop tube (6); the outer diameter of the blocking tube (7) is smaller than the inner diameter of the blocking rod (8); and the small fixed disk (5) and the blocking tube (7) are fixed by threaded connection.

5. The water-stopping plugging device for a jet-jet anchor cable penetrating a water-stop curtain according to claim 1, characterized in that: The length of the base (3) is equal to the sum of the lengths of the small fixed disk (5) and the expansion water stop tube (6); the inner diameter of the base (3) is greater than the outer diameter of the expansion water stop tube (6); the inner diameter of the base (3) is smaller than the outer diameter of the small fixed disk (5); the fixed disk (1) and the base (3) are fixed by threaded connection.

6. A water-stopping and plugging device for a jet-jet anchor cable penetrating a water-stop curtain according to claim 1, characterized in that: The front end of the steel anchor cable (4) is bent inwards.

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