CN215718614U

CN215718614U - Water closing system for drilling and grouting construction

Info

Publication number: CN215718614U
Application number: CN202122254941.6U
Authority: CN
Inventors: 郭飞; 姜瑜; 魏玉明; 郭腾; 王杰; 鲁赟; 孙博通
Original assignee: Beijing Municipal Construction Co Ltd; Beijing High Tech Municipal Engineering Technology Co Ltd
Current assignee: Beijing Municipal Construction Co Ltd; Beijing High Tech Municipal Engineering Technology Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-01
Anticipated expiration: 2031-09-17

Abstract

The utility model provides a water closing system for drilling and grouting construction, which belongs to the field of drilling and grouting and comprises an angle adjusting piece, a first limiting piece, a first pipe body, a limiting plate and a water stopping piece, wherein the first limiting piece is connected with one end of the first pipe body, the angle adjusting piece is connected with one end, away from the first pipe body, of the first limiting piece, the limiting plate is arranged in the first pipe body, a first through hole for a drill rod to penetrate through is formed in the limiting plate, the water stopping piece is arranged in the first pipe body and is positioned between the first limiting piece and the limiting plate, the water stopping piece is in interference fit with the first pipe body, the water stopping piece is provided with a second through hole for the drill rod to penetrate through, and the water stopping piece is in interference fit with the drill rod. The system can effectively prevent the drill rod from spraying water and water sand from flowing outwards in the drilling and grouting process, reduce the water sand loss of the stratum and ensure a relatively clean construction environment.

Description

Water closing system for drilling and grouting construction

Technical Field

The utility model belongs to the technical field of drilling grouting, and particularly relates to a water closing system for drilling grouting construction.

Background

With the large-scale development of high-rise buildings in China and the increasing requirements on urban environmental protection, construction projects adopting drilling grouting construction processes are increasing. In the drilling process, the drilling angle needs to be finely adjusted sometimes, the drilling equipment needs to be moved and installed again, the waste of manpower and material resources is caused, the construction period is delayed, the drilling equipment is difficult to support for the drilling with the complex terrain at the drilling position, and the angle adjustment is time-consuming and labor-consuming.

The drilling grouting has the advantages of being suitable for different geological conditions, stable in foundation and the like, but the problems of water spraying of a drill rod and water sand outward flowing can be encountered in the drilling grouting process, the water sprayed by the drill rod and the water sand outward flowing can cause the loss of stratum water, the workload of drainage and the like is increased, and the working environment can be polluted; and drilling rod slip casting in-process water sand gushes outward to the injected hole along the space, and the thick liquid can be wrapped up by water sand and carry the outer hourglass of holding, causes the waste of thick liquid, and the thick liquid gushes outward to the injected hole along the space and still can reduce the pressure of thick liquid in the drilling, influences the efficiency of drilling slip casting and the quality of drilling slip casting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water closing system for drilling grouting construction, and aims to solve the problems that water sand gushes outwards, the environment is polluted, slurry is wasted, and the grouting quality is influenced in the existing drilling grouting construction.

In order to achieve the purpose, the utility model adopts the technical scheme that: the water closing system for drilling and grouting construction comprises a first pipe body; the first limiting piece is connected with one end of the first pipe body; the angle adjusting piece is connected with one end, away from the first pipe body, of the first limiting piece; the limiting plate is arranged in the first pipe body and is provided with a first through hole for a drill rod to pass through; the water stop piece is arranged in the first pipe body and is positioned between the first limiting piece and the limiting plate; the water stop piece is in interference fit with the first pipe body; the water stop piece is provided with a second through hole for the drill rod to pass through, and the water stop piece is in interference fit with the drill rod.

Preferably, the water stop member includes: the water stopping rubber mat is provided with a second through hole in interference fit with the drill rod, and the outer side face of the water stopping rubber mat is in interference fit with the first pipe body; the ring piece, the ring piece is equipped with a plurality of, and is a plurality of the ring piece is located stagnant water cushion both sides, and is a plurality of the ring piece pass through first connecting piece with the stagnant water cushion is connected.

Preferably, the angle adjusting member includes: a first flange plate; the first flange plate is connected with the first limiting piece through the second connecting piece; the first deformation piece is connected with the first flange plate; and one end of the second pipe body is connected with the first deformation part, and the other end of the second pipe body is in contact with the first limiting part.

Preferably, the second connecting member includes: the first connecting rod is connected with the first flange plate; the supporting rod is connected with the first connecting rod, and an included angle is formed between the supporting rod and the first connecting rod; and the second connecting rod is connected with the supporting rod.

Preferably, the first limiting member includes: the second flange plate is connected with the second connecting rod; and the flange gland is connected with the second flange plate, and the inner diameter of the flange gland is smaller than that of the first pipe body.

Preferably, a second limiting part is arranged in the first pipe body and connected with the limiting plate.

Preferably, the water stopping pieces are provided with a plurality of groups, and the plurality of groups of water stopping pieces are sequentially stacked.

Preferably, the second connecting piece is provided with a plurality of, and a plurality of the second connecting piece is followed angle adjusting piece circumference interval sets up.

Preferably, the outer diameter of the water stopping rubber pad is 3mm larger than the inner diameter of the first pipe body; and/or the diameter of the second through hole of the water stop rubber mat is 2mm smaller than that of the drill rod.

The water closing system for drilling and grouting construction provided by the utility model has the beneficial effects that: compared with the prior art, the water closing system can adjust the orifice angle through the angle adjusting piece, and is suitable for different drilling angle requirements; the water stopping piece is supported by the second limiting piece and the limiting piece, and is pressed tightly by the first limiting piece, so that the water stopping piece is prevented from being jacked open by the externally gushed sand to influence the water stopping effect; the inner diameter and the outer diameter of the water stop piece are in interference fit with the outer diameter of the drill rod and the inner diameter of the first pipe body respectively, drill rod water spraying and water sand outward gushing in the drilling grouting process are effectively prevented, water sand loss of a stratum is reduced, workload such as drainage is reduced, relatively clean construction environment is guaranteed, water sand is prevented from gushing out of a grouting hole along a gap in the drilling grouting process, accordingly, slurry is prevented from being wrapped by the water sand and leaking outwards, unnecessary waste of the slurry is avoided, certain grouting pressure is guaranteed to be maintained, and grouting efficiency and quality are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a cross-sectional view of a water shut-off system provided by an embodiment of the present invention without an angle adjustment and without a drill pipe inserted;

FIG. 2 is a cross-sectional view of a water stop of the water shut-off system according to an embodiment of the present invention inserted into a drill pipe;

fig. 3 is a schematic structural view of a water stop member of a water closing system according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a first limiting member of a water closing system according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a second connector of a water containment system according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an angle adjustment member of a water shut-off system according to an embodiment of the present invention;

fig. 7 is a sectional view illustrating an angle adjustment of a water shut-off system according to an embodiment of the present invention.

Fig. 8 is a cross-sectional view of a first tube and a position-limiting plate of a water-closing system according to an embodiment of the present invention.

In the figure: 1. an angle adjusting member; 11. a second connecting member; 111. a first connecting rod; 112. a strut; 113. a second connecting rod; 12. a first flange plate; 13. a first deformable member; 14. a second tube body; 2. a first limit piece; 21. a second flange plate; 22. a flange gland; 3. a first pipe body; 31. a second limiting member; 4. a limiting plate; 5. a drill stem; 6. a water stop member; 61. a water stop rubber mat; 62. a ring piece; 63. a first connecting member.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 8, a water shut-off system for grouting construction in a borehole according to the present invention will now be described. The water closing system comprises a first pipe body 3; the first limiting piece 2 is connected with one end of the first pipe body 3; the angle adjusting piece 1 is connected with one end, away from the first pipe body 3, of the first limiting piece 2; the limiting plate 4 is arranged in the first pipe body 3 and is provided with a first through hole for the drill rod 5 to pass through; the water stop piece 6 is arranged in the first pipe body 3 and is positioned between the first limiting piece 2 and the limiting plate 4; the water stop piece 6 is in interference fit with the first pipe body 3; the water stop piece 6 is provided with a second through hole for the drill rod 5 to pass through, and the water stop piece 6 is in interference fit with the drill rod 5.

In the embodiment, the angle can be adjusted through the angle adjusting piece 1 and the second connecting piece 11, so as to adapt to different drilling angle requirements; the drill rod passes through the hole 5 of the limiting plate 4, and the limiting plate 4 is used for positioning the drilling position; the water stop piece 6 is arranged between the first limiting piece 2 and the limiting plate 4 and used for limiting and supporting the water stop piece 6, and the inner diameter and the outer diameter of the water stop piece 6 are in interference fit with the outer diameter of the drill rod 5 and the inner diameter of the first pipe body 3 respectively and used for stopping water spraying of the drill rod 5 rotating in the drilling process and water sand surging.

Compared with the prior art, the water closing system provided by the utility model has the advantages that the orifice angle can be adjusted through the angle adjusting piece 1, and the water closing system is suitable for different drilling angle requirements; the first limiting piece 2 and the limiting piece 4 limit the water stop piece 6, the water stop piece 6 is compressed, and the water stop effect is prevented from being influenced by the fact that the water stop piece 6 is jacked open by the outward gushing sand; the internal diameter and the external diameter of the water stop piece 6 are in interference fit with the external diameter of the drill rod 5 and the internal diameter of the first pipe body 3 respectively, the drill rod 5 is effectively prevented from rotating to spray water and water sand to gush outwards in the drilling process, the water sand loss of the stratum is reduced, the workload of drainage and the like is reduced, and the relatively clean construction environment is guaranteed.

In this embodiment, the water stopping rubber mat 61 is provided with a second through hole for interference fit with the drill rod 5, and the outer side surface of the water stopping rubber mat 61 is in interference fit with the first pipe body 3; the ring piece 62, ring piece 62 are equipped with a plurality of, and a plurality of ring piece 62 are located stagnant water cushion 61 both sides, and a plurality of ring pieces are connected with stagnant water cushion 61 through first connecting piece 63. The water stopping pieces 6 are provided with a plurality of groups, and the water stopping pieces 6 are sequentially stacked and arranged and used for improving the sealing performance of the water stopping pieces 6 and improving the water closing performance of the water closing system.

More specifically, a water-stopping rubber pad 61 in the water-stopping piece 6 is respectively in interference fit with the drill rod 5 and the first pipe body 3 to prevent water and sand from flowing outwards; the outer diameter of the ring piece 62 is smaller than that of the water stop rubber mat 61, so that the interference fit between the water stop rubber mat 61 and the first pipe body 3 cannot be influenced, and the inner diameter of the ring piece 62 is larger than that of the water stop rubber mat 61, so that the interference fit between the water stop rubber mat 61 and the drill rod 5 cannot be influenced; two upper and lower annular sheets 62 are fixed on two sides of the water-stopping rubber mat 61 through four groups of first connecting pieces 63 symmetrically arranged along the circumferential direction of the annular sheets 62, so that the water-stopping performance of the water-stopping rubber mat 61 is improved; three groups of water stopping components 6 are arranged between the first limiting component 2 and the limiting plate 4, so that the water stopping performance of the device is improved.

In this embodiment, a plurality of first connecting pieces 63 of group fix a plurality of ring pieces 62 in the both sides of stagnant water cushion 61, and a plurality of stagnant water spare 6 of group set up between first locating part 2 and limiting plate 4, have greatly promoted stagnant water spare 6 and have blockked the ability that the drilling rod 5 of drilling in-process pivoted sprayed water and sand gushes outward.

In the present embodiment, the angle adjusting member 1 includes, a first flange 12; the first flange plate 12 is connected with the first limiting part 2 through the second connecting piece 11; the first deformation piece 13 comprises a rubber hose and a spring body arranged in the rubber hose, the angle of the second connecting piece 11 and the angle of the first deformation piece 13 are adjustable, and the first deformation piece 13 is connected with the first flange 12; and the second pipe body 14 is connected with the first deformation piece 13, and the other end of the second pipe body is contacted with the first limiting piece (2).

In this embodiment, the first connecting rod 111 is connected to the first flange 12; the supporting rod 112 is connected with the first connecting rod 111, and an included angle is formed between the supporting rod 112 and the first connecting rod 111; and a second connecting rod 113 connected to the rod 112. An included angle exists between the first connecting rod 111 and the supporting rod 112, and an included angle does not exist between the second connecting rod 113 and the supporting rod 112; or an included angle does not exist between the first connecting rod 111 and the supporting rod 112, and an included angle exists between the second connecting rod 113 and the supporting rod 112; or an included angle exists between the first connecting rod 111 and the supporting rod 112, and an included angle exists between the second connecting rod 113 and the supporting rod 112. When the angle is adjusted, the second connecting rods 113 are connected to the first limiting member 2, the first flange 12 connected to the first deforming member 13 is adjusted to a predetermined angle, the first connecting rods 111 of the second connecting members 11 are rotated to the rotated angle of the first flange 12, and the first connecting rods 111 are connected to the first flange 12, so as to adjust the angle. The adjustability of first deformation 13 in angle adjusting part 1, the angle of rotatory second connecting piece 11, accomplish the regulation to the angle fast and efficiently, and angle adjusting part 1 can adjust the orifice angle for be suitable for different drilling angle needs.

In this embodiment, the first limiting member 2 includes a second flange 21 connected to the second connecting rod 113; the flange pressing cover 22 is connected with the second flange plate 21, and the inner diameter of the flange pressing cover 22 is smaller than that of the first pipe body 3. A second limiting member 31 is arranged in the first pipe body 3, and the second limiting member 31 is connected with the limiting plate 4 and used for supporting the limiting plate 4. The internal diameter of flange gland 22 is less than the internal diameter of first body 3, and the external diameter of stagnant water spare 6 is greater than the internal diameter and the 3 interference fit of first body 3, then the diameter of flange gland 22 is less than the external diameter of stagnant water spare 6, flange gland 22 is used for compressing tightly stagnant water spare 6, put and prevent to gush out the water sand outward and push up stagnant water spare 6 and influence the effect of closing water, limiting plate 4 and flange gland 22 combined action are used for supporting and compress tightly stagnant water spare 6, the good stagnant water of device stability is effectual.

In this embodiment, second connecting piece 11 is equipped with a plurality of, and a plurality of second connecting piece 11 sets up along 1 circumference interval of angle modulation, and the atress is great during angle modulation, and angle modulation 1's stability can be strengthened to second connecting piece 11's the mode of setting. First locating part 31 is provided with a plurality of along 3 circumference of first body, strengthens first locating part 31 to the support and the limiting displacement of limiting plate 4, hoisting device stability.

In this embodiment, the outer diameter of the water stopping rubber mat 61 is 3mm larger than the inner diameter of the first pipe 3, or/and the diameter of the second through hole of the water stopping rubber mat 61 is 2mm smaller than the diameter of the drill rod 5, which can ensure the sufficient water-tight performance and facilitate the installation of the water stopping rubber mat 61.

According to the water closing system for drilling and grouting construction, the angle of the hole can be adjusted through the angle adjusting piece 1, and the water closing system is suitable for different drilling angle requirements; the water stop piece 6 is limited through the first limiting piece 2, the second limiting piece 31 and the limiting piece 4, the water stop piece 6 is compressed, and the water stop effect is prevented from being influenced by the fact that the water stop piece 6 is jacked open by the externally gushed sand; 6 internal diameters of stagnant water spare and external diameter respectively with 5 external diameters of drilling rod and 3 internal diameters interference fit of first body, effectively block drilling rod 5 water spray and the sand of water in the slip casting process and gush outward, reduce the sand and water loss in stratum, reduce work load such as drainage, and guarantee relatively clean and tidy construction environment, prevent 5 slip casting in-process sand and water along the space to gush outward to the slip casting hole, thereby avoid the thick liquid to be wrapped up in by the sand and water and carry the hourglass outward, cause the unnecessary waste of thick liquid, and guarantee to maintain certain slip casting pressure, slip casting efficiency and quality have been improved, this kind of water-stop system, moreover, the steam-stop system is simple in structure, the effect is showing, and is suitable for extensive popularization.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A water shut-off system for use in borehole grouting operations, comprising:

a first pipe body (3);

the first limiting piece (2) is connected with one end of the first pipe body (3);

the angle adjusting piece (1) is connected with one end, deviating from the first pipe body (3), of the first limiting piece (2);

the limiting plate (4) is arranged in the first pipe body (3) and is provided with a first through hole for a drill rod (5) to pass through;

the water stop piece (6) is arranged in the first pipe body (3) and is positioned between the first limiting piece (2) and the limiting plate (4); the water stop piece (6) is in interference fit with the first pipe body (3); the water stop piece (6) is provided with a second through hole for the drill rod (5) to pass through, and the water stop piece (6) is in interference fit with the drill rod (5).

2. A water shut-off system for grouting construction in boreholes as claimed in claim 1, characterized in that the water shut-off (6) comprises:

the water stopping rubber mat (61) is provided with a second through hole in interference fit with the drill rod (5), and the outer side surface of the water stopping rubber mat (61) is in interference fit with the first pipe body (3);

ring piece (62), ring piece (62) are equipped with a plurality of, and are a plurality of ring piece (62) are located stagnant water cushion (61) both sides, and are a plurality of ring piece (62) through first connecting piece (63) with stagnant water cushion (61) are connected.

3. A water shut-off system for grouting construction in a borehole according to claim 1, characterized in that the angle adjusting member (1) comprises:

a first flange (12);

the first flange (12) is connected with the first limiting piece (2) through the second connecting piece (11);

the first deformation piece (13), the first deformation piece (13) is connected with the first flange plate (12);

and one end of the second pipe body (14) is connected with the first deformation piece (13), and the other end of the second pipe body is contacted with the first limiting piece (2).

4. A water shut-off system for grouting construction in a borehole according to claim 3, characterised in that said second connector (11) comprises:

the first connecting rod (111) is connected with the first flange plate (12);

the supporting rod (112) is connected with the first connecting rod (111), and an included angle is formed between the supporting rod and the first connecting rod (111);

and a second connecting rod (113) connected to the strut (112).

5. The water shut-off system for grouting construction in a drill hole according to claim 4, characterized in that the first stop element (2) comprises:

the second flange (21) is connected with the second connecting rod (113);

and the flange gland (22) is connected with the second flange plate (21), and the inner diameter of the flange gland (22) is smaller than that of the first pipe body (3).

6. The water shut-off system for grouting operations in boreholes as claimed in claim 5, characterized in that a second stop element (31) is provided in the first tubular body (3), the second stop element (31) being connected to the stop element (4).

7. A water shut-off system for grouting construction in a borehole according to claim 2, characterized in that said water stops (6) are provided in groups, and that said groups of water stops (6) are arranged one above the other.

8. A water shut-off system for grouting construction in a borehole according to claim 3, characterized in that said second connecting members (11) are provided in plurality, and a plurality of said second connecting members (11) are circumferentially spaced along said angle adjusting member (1).

9. A water shut-off system for grouting construction in a borehole according to claim 2, characterized in that the outer diameter of the water stop rubber pad (61) is 3mm larger than the inner diameter of the first pipe body (3); or/and the diameter of the second through hole of the water stop rubber mat (61) is 2mm smaller than that of the drill rod (5).