CN212614801U - Quick hole sealing device in annular space - Google Patents

Quick hole sealing device in annular space Download PDF

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Publication number
CN212614801U
CN212614801U CN202021448514.0U CN202021448514U CN212614801U CN 212614801 U CN212614801 U CN 212614801U CN 202021448514 U CN202021448514 U CN 202021448514U CN 212614801 U CN212614801 U CN 212614801U
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positioning
hole
grout stopping
piece
locating
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CN202021448514.0U
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李学彬
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North China Institute of Science and Technology
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North China Institute of Science and Technology
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Abstract

The embodiment of the utility model discloses annular space's quick hole sealing device relates to stock or anchor rope support field, is convenient for simply accomplish the shutoff link in the annular space hole sealing construction fast. The method comprises the following steps: the positioning push rod comprises a positioning rod, a fixing ring and a handle; the hole sealing positioning sheet comprises a positioning grout stopping upper sheet, a positioning connecting sheet and a positioning grout stopping lower sheet; the fixing ring is provided with a clamping through hole, and the positioning rods are respectively arranged in the clamping through hole of the fixing ring in a penetrating way; the positioning grout stopping upper sheet is provided with a blind hole, the positioning connecting sheet and the positioning grout stopping lower sheet are respectively provided with a through hole, and the positioning grout stopping upper sheet, the positioning connecting sheet and the positioning grout stopping lower sheet are sequentially arranged on the positioning rod from top to bottom; the positioning grout stopping upper piece, the positioning connecting piece and the positioning grout stopping lower piece are respectively and correspondingly provided with grouting pipe positioning through holes, and the fixing ring, the positioning connecting piece and the positioning grout stopping lower piece are respectively provided with plugging pipe positioning through holes; the grouting pipe is inserted into the grouting pipe positioning through hole, and the plugging pipe is inserted into the plugging pipe positioning through hole.

Description

Quick hole sealing device in annular space
Technical Field
The utility model relates to an anchor rod or anchor rope support technical field especially relate to a quick hole sealing device in annular space.
Background
The anchor cable and the anchor rod are used as an effective supporting and reinforcing mode for roadways, side slopes and the like, and are widely applied to relevant fields of geotechnical engineering, mining, subway tunnel construction and the like. In the anchor cable or anchor rod supporting construction, the plugging of the annular space hole formed by anchoring the anchor cable or anchor rod in the drill hole becomes a necessary process.
In order to perform grouting sealing construction, it is necessary to provide an auxiliary device which is simple and fast and is suitable for sealing or plugging the annular space hole.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a quick hole sealing device of annular space is convenient for accomplish the shutoff link in the annular space hole sealing construction simply fast to can accomplish annular space's hole sealing construction more conveniently.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a quick hole sealing device of annular space includes: the hole sealing positioning piece comprises a positioning grout stopping upper piece, a positioning connecting piece and a positioning grout stopping lower piece;
the handle is of a cylindrical structure, a plurality of positioning rods are axially arranged at one end of the cylindrical structure, the positioning rods surround a cylindrical space along the circumferential direction of the handle, clamping through holes are formed in the fixing ring, and the positioning rods are respectively arranged in the clamping through holes of the fixing ring in a penetrating mode and fixed;
the locating rod is provided with a plurality of transverse raised non-return parts at intervals along the length direction, the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are respectively of a circular ring sheet structure, the locating grout stopping upper piece is provided with a blind hole, the locating connecting piece and the locating grout stopping lower piece are respectively provided with a through hole, and the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are sequentially arranged on the locating rod from top to bottom;
the positioning connecting piece and the positioning grout stopping lower piece are sleeved on the positioning rod through the through hole, the lower surface of the positioning connecting piece is pressed on the non-return part, and the positioning grout stopping upper piece is buckled at the upper end of the positioning rod through the blind hole;
grouting pipe positioning through holes are correspondingly formed in the fixing ring, the positioning grout stopping upper piece, the positioning connecting piece and the positioning grout stopping lower piece respectively, and plugging pipe positioning through holes in corresponding positions are further formed in the fixing ring, the positioning connecting piece and the positioning grout stopping lower piece respectively;
and a grouting pipe is inserted into the grouting pipe positioning through hole, and a plugging pipe for injecting an expansion plugging material into the drilled hole is inserted into the plugging pipe positioning through hole.
Preferably, the raised non-return portion is a barbed or wedge-shaped projection.
Preferably, the fixing ring is provided with a clamp holder for clamping the grouting pipe and the plugging pipe.
Preferably, the holder is a line card or a clip.
Preferably, the blind holes and the through holes are oval or circular, and the cross sections of the positioning rods are circular arc-shaped or circular.
The embodiment of the utility model provides a pair of hole sealing device, include: the hole sealing positioning piece comprises a positioning grout stopping upper piece, a positioning connecting piece and a positioning grout stopping lower piece; the handle is of a cylindrical structure, a plurality of positioning rods are axially arranged at one end of the cylindrical structure, the positioning rods surround a cylindrical space along the circumferential direction of the handle, clamping through holes are formed in the fixing ring, and the positioning rods are respectively arranged in the clamping through holes of the fixing ring in a penetrating mode and fixed; the locating rod is provided with a plurality of transverse raised non-return parts at intervals along the length direction, the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are respectively of a circular ring sheet structure, the locating grout stopping upper piece is provided with a blind hole, the locating connecting piece and the locating grout stopping lower piece are respectively provided with a through hole, and the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are sequentially arranged on the locating rod from top to bottom; the positioning connecting piece and the positioning grout stopping lower piece are sleeved on the positioning rod through the through hole, the lower surface of the positioning connecting piece is pressed on the non-return part, and the positioning grout stopping upper piece is buckled at the upper end of the positioning rod through the blind hole; grouting pipe positioning through holes are correspondingly formed in the fixing ring, the positioning grout stopping upper piece, the positioning connecting piece and the positioning grout stopping lower piece respectively, and plugging pipe positioning through holes in corresponding positions are further formed in the fixing ring, the positioning connecting piece and the positioning grout stopping lower piece respectively; and a grouting pipe is inserted into the grouting pipe positioning through hole, and a plugging pipe for injecting an expansion plugging material into the drilled hole is inserted into the plugging pipe positioning through hole. After the anchor rod is inserted into the annular space after drilling, the positioning push rod and the hole sealing positioning sheet on the positioning push rod are pushed into the drill hole, then the positioning push rod is pulled out, so that the drilling and sealing of the sealing link in the annular space hole sealing construction can be simply and quickly completed, and then the grouting pipe and the sealing pipe are used for grouting and expanding materials into the annular space, so that the hole sealing construction of the annular space can be conveniently completed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an application structure of a hole sealing device in a surrounding rock according to an embodiment of the present invention;
FIG. 2 is a top view of the positioning stop sizing loading structure of the embodiment of FIG. 1;
FIG. 3 is a sectional view of the positioning stop-grouting loading structure in FIG. 2
FIG. 4 is a top view of an embodiment of the locating tab structure of FIG. 1;
FIG. 5 is a cross-sectional view of the locating tab construction of FIG. 4;
FIG. 6 is a top view of an embodiment of a positioning grout stop lower sheet;
FIG. 7 is a cross-sectional view of the positioned grout stop lower plate of FIG. 6;
FIG. 8 is a schematic view of a positioning rod of FIG. 1;
FIG. 9 is a top view of the positioning ram of FIG. 8;
fig. 10 is a schematic structural view of a hole sealing device according to another embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 9, the embodiment of the present invention provides a hole sealing device for annular space, which is mainly used for sealing a drilled hole 100 provided with an anchor rod or an anchor cable 110 in anchor cables or anchor rod supports in underground engineering water-containing areas such as mine tunnels, tunnels or subway side channels.
The device comprises a positioning push rod and a hole sealing positioning sheet, wherein the positioning push rod comprises a positioning rod 1, a fixing ring 2 and a handle 3, and the hole sealing positioning sheet comprises a positioning grout stopping upper sheet 4, a positioning connecting sheet 5 and a positioning grout stopping lower sheet 6;
the handle 3 is of a cylindrical structure and is used for providing thrust and controlling the depth of the positioning push rod; a plurality of positioning rods 1 are axially arranged at one end of the cylindrical structure, a cylindrical space is enclosed by the positioning rods 1 along the circumferential direction of the handle 3, clamping through holes are formed in the fixing ring 2, and the positioning rods 1 are respectively arranged in the clamping through holes of the fixing ring 2 in a penetrating manner and fixed;
a plurality of transverse convex non-return parts 7 are arranged on the positioning rod 1 at intervals along the length direction, and in some embodiments, the convex non-return parts 7 are barb-shaped protrusions or wedge-shaped protrusions. The positioning grout stopping upper sheet 4, the positioning connecting sheet 5 and the positioning grout stopping lower sheet 6 are respectively of a circular ring sheet structure, the positioning grout stopping upper sheet 4 is provided with a blind hole 41, the positioning connecting sheet 5 and the positioning grout stopping lower sheet 6 are respectively provided with a through hole 51, and the positioning grout stopping upper sheet 4, the positioning connecting sheet 5 and the positioning grout stopping lower sheet 6 are sequentially arranged on the positioning rod 1 from top to bottom.
In some embodiments, the blind holes and the through holes are oval or circular, and the cross section of the positioning rod 1 is circular arc or circular. The inner diameter of each component of the hole sealing positioning sheet is slightly smaller than the inner diameter of a cylindrical space formed by the positioning rods 1, and the outer diameter of each component of the hole sealing positioning sheet is slightly larger than the aperture of the drilled hole 100, so that the drilled hole 100 can be sealed and plugged.
The positioning connecting piece 5 and the positioning grout stopping lower piece 6 are sleeved on the positioning rod 1 through the through hole 51, the lower surface of the positioning connecting piece is pressed on the non-return part 7, and the positioning grout stopping upper piece 4 is buckled at the upper end of the positioning rod 1 through the blind hole 41.
Grouting pipe positioning through holes 8 are correspondingly formed in the fixing ring 2, the positioning grout stopping upper sheet 4, the positioning connecting sheet 5 and the positioning grout stopping lower sheet 6 respectively, and plugging pipe positioning through holes 9 in corresponding positions are further formed in the fixing ring 2, the positioning connecting sheet 5 and the positioning grout stopping lower sheet 6 respectively; a grouting pipe 10 is inserted into the grouting pipe positioning through hole 8, and a plugging pipe 11 for injecting an expansion plugging material into the borehole 100 is inserted into the plugging pipe positioning through hole 9. Therefore, after the hole sealing positioning sheet seals the drill hole 100, grouting reinforcement and hole sealing construction can be conveniently realized.
The embodiment of the utility model provides a pair of hole sealing device, include: after the drilling hole 100 is inserted into the anchor rod to form an annular space, the positioning push rod and the hole sealing positioning sheet on the positioning push rod are pushed into the drilling hole 100, the positioning push rod is pulled out, the plugging of the drilling hole 100 in the plugging link in the annular space hole sealing construction can be conveniently and rapidly completed, and the grouting pipe and the plugging pipe are used for grouting and expanding materials into the annular space, so that the hole sealing construction of the annular space can be conveniently completed.
Based on the embodiment of the utility model provides a hole sealing device still provides a hole sealing method, is applied to annular space's shutoff, including the step:
110. after the borehole 100 is completed, the anchor is inserted into the borehole 100 and anchored in the borehole 100 with an anchoring agent, forming an annular space between the anchor and the borehole 100.
120. Sequentially installing a positioning grout stopping lower sheet 6, a positioning connecting sheet 5 and a grout stopping positioning upper sheet on a positioning rod 1 of the positioning push rod, sequentially inserting a grouting pipe into a fixing ring 2 and a grouting pipe positioning through hole 8 on a hole sealing positioning sheet, inserting a plugging pipe into a plugging pipe positioning through hole on the fixing ring 2 and the hole sealing positioning sheet, and fixing to form a hole sealing device whole;
130. aligning and sleeving a cylindrical space formed by a plurality of positioning rods 1 on the anchor rod, and positioning the positioning rods 1 by matching the anchor rod with the cylindrical space;
140. slowly pushing the positioning rod 1 into the annular space and reaching a preset design position;
150. loosening the grouting pipe and the plugging pipe fixed on the positioning push rod, pulling the positioning push rod out of the annular space, and forming a hole sealing structure in the drill hole 100 by the rest parts;
160. and injecting an expansion plugging material through the plugging pipe, and completing plugging of the annular space after the expansion plugging material expands to fill the hole plugging section of the annular space and solidifies.
Therefore, based on the hole sealing device, the plugging of the drill hole 100 in the plugging link in the hole sealing construction of the annular space can be simply and quickly completed, and then the hole sealing construction of the annular space can be conveniently completed by further grouting and expanding materials into the annular space through the grouting pipe and the plugging pipe.
The plugging material can be a high-strength expansion plugging material, or a mixed material of a high-strength material and an expandable material.
The high-strength expansion plugging material comprises high-molecular organic materials such as polyurethane materials and epoxy resin materials, and inorganic materials such as plugging king and expansion cement.
High strength materials refer to low expansion or shrinkage, inorganic materials such as portland cement materials, and the like, and expansion materials include: unsaturated polyester resin, epoxy resin and other high molecular organic materials.
In some embodiments, the method further comprises: and after the expansion plugging material expands to fill the hole sealing section of the annular space and is solidified, injecting a grouting material into the part from the hole sealing section to the hole bottom of the annular space through a grouting pipe so as to perform grouting reinforcement on surrounding rocks around the drill hole 100.
Specifically, when grouting is performed through the grouting pipe, cement slurry is injected firstly, then cement thick slurry is injected, and finally an expansive material is injected, so that a space for hardening and shrinking of a cement grouting material is filled, the solidification material is compact after grouting in an annular space, the tensile property of the anchor rod support body is improved, and 100 water in the drilled hole is blocked.
In some embodiments of the present invention, the positioning grout stop upper plate 4 comprises a plurality of blind holes for fastening on the top end of the positioning rod 1; the positioning connecting piece 5 and the positioning grout stopping lower piece 6 respectively comprise a plurality of through holes for penetrating the positioning rod 1.
The circumferential surfaces of the positioning slurry-stopping upper sheet 4, the positioning connecting sheet 5 and the positioning slurry-stopping lower sheet 6 are respectively provided with barb-shaped bulges or wedge-shaped bulges 52 which are used for propping against the inner wall of the drill hole 100 so as to prevent the drill hole 100 from sliding downwards.
In this embodiment, the hole sealing method further includes: in the process of pulling the positioning push rod out of the annular space, the barbed protrusions or the wedge-shaped protrusions on the components of the hole sealing positioning sheet are used for propping against the inner wall of the drill hole 100, so that the hole sealing positioning sheet is prevented from sliding outwards of the drill hole 100 along with the push rod, and the hole sealing positioning sheet is convenient to position.
In other embodiments, the fixing ring 2 is provided with a clamp 21 for clamping the grouting pipe and the plugging pipe, and the clamp 21 may be a line clamp or a hoop, or may be directly wound and tightened by an iron wire.
In this embodiment, the hole sealing method further includes: after inserting the grout pipe into the positioning through hole and the plugging pipe into the plugging pipe positioning through hole, the grout pipe and the plugging pipe are clamped by a clamp 21 on the fixing ring 2 to be fixed integrally with the positioning push rod.
The grouting pipe and the plugging pipe fixed on the loosening positioning push rod are as follows: and releasing the clamp 21 to separate the grouting pipe and the plugging pipe from the positioning push rod.
In some embodiments, the positioning rod 1 is provided with a size scale, so that a constructor can conveniently control the pushing depth of the positioning rod 1.
The locating lever 1 can carry out the butt joint equipment according to different design degree of depth requirements, has a plurality of locating levers 1 combination to form, and wherein, 1 top of locating lever grinds the flat or rounding off, prevents to push into drilling 100 in-process and pierces through the location and only starch upper segment 4.
Referring to fig. 10, the hole sealing positioning piece and the positioning push rod are of a cylindrical integrated structure, and specifically comprise a positioning slurry-stopping upper piece 4, a positioning connecting piece 5, a positioning slurry-stopping lower piece 6 and a plurality of positioning push rods 1, and the plugging pipe and the grouting pipe are inserted into the cylindrical integrated structure in the next step, are fixed by a clamp to form a whole, and then are directly pushed into an annular space.
In addition, the hole sealing positioning sheet, the positioning push rod plugging pipe and the grouting pipe are combined into a cylindrical integrated structure, and the integrated structure specifically comprises a positioning grout stopping upper sheet 4, a positioning connecting sheet 5, a positioning grout stopping lower sheet 6, a plurality of positioning push rods 1, the plugging pipe and the grouting pipe, and is directly pushed into the annular space. As an alternative embodiment, the hole sealing positioning sheet may also only include a positioning slurry-stopping upper sheet 4 and a slurry-stopping positioning lower sheet, and the positioning push rod is a tube with a longitudinal slit for communicating the upper and lower spaces in the drill hole 100 divided by the positioning slurry-stopping upper sheet 4.
The positioning slurry-stopping upper sheet 4 comprises a positioning through hole 8 of a grouting pipe, penetrates through the grouting pipe and is pushed into a preset design position by a positioning push rod. The positioning grout stopping lower sheet 6 comprises a grouting pipe positioning through hole 8 and a plugging pipe positioning through hole 9, penetrates into a grouting pipe and a plugging pipe or penetrates into the grouting pipe, and is pushed to a preset design position by a positioning push rod.
In the process of injecting grouting materials into the drill hole 100 through the grouting pipe, the grouting materials flow in the upper and lower spaces divided by the positioning grout-stopping upper sheet 4 by utilizing the cutting seam of the positioning push rod so as to realize grouting reinforcement of the annular space in the drill hole 100, and the expansion plugging materials are injected through the plugging pipe so as to complete hole sealing.
It should be noted that the terms "upper", "lower", and the like, herein indicate orientations and positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element. As will be appreciated by one of ordinary skill in the art, the situation may be specified.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a quick hole sealing device in annular space which characterized in that includes: the hole sealing positioning piece comprises a positioning grout stopping upper piece, a positioning connecting piece and a positioning grout stopping lower piece;
the handle is of a cylindrical structure, a plurality of positioning rods are axially arranged at one end of the cylindrical structure, the positioning rods surround a cylindrical space along the circumferential direction of the handle, clamping through holes are formed in the fixing ring, and the positioning rods are respectively arranged in the clamping through holes of the fixing ring in a penetrating mode and fixed;
the locating rod is provided with a plurality of transverse raised non-return parts at intervals along the length direction, the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are respectively of a circular ring sheet structure, the locating grout stopping upper piece is provided with a blind hole, the locating connecting piece and the locating grout stopping lower piece are respectively provided with a through hole, and the locating grout stopping upper piece, the locating connecting piece and the locating grout stopping lower piece are sequentially arranged on the locating rod from top to bottom;
the positioning connecting piece and the positioning grout stopping lower piece are sleeved on the positioning rod through the through hole, the lower surface of the positioning connecting piece is pressed on the non-return part, and the positioning grout stopping upper piece is buckled at the upper end of the positioning rod through the blind hole;
grouting pipe positioning through holes are correspondingly formed in the fixing ring, the positioning grout stopping upper piece, the positioning connecting piece and the positioning grout stopping lower piece respectively, and plugging pipe positioning through holes in corresponding positions are further formed in the fixing ring, the positioning connecting piece and the positioning grout stopping lower piece respectively;
and a grouting pipe is inserted into the grouting pipe positioning through hole, and a plugging pipe for injecting an expansion plugging material into the drilled hole is inserted into the plugging pipe positioning through hole.
2. The sealing device of claim 1, wherein the raised non-return portion is a barbed or wedge-shaped projection.
3. The hole sealing device according to claim 1 or 2, wherein a holder for holding the grout pipe and the sealing pipe is provided on the fixing ring.
4. The sealing device of claim 3 wherein the holder is a line card or a clamp.
5. The hole sealing device according to claim 1, wherein the blind hole and the through hole are oval or circular, and the cross section of the positioning rod is circular arc or circular.
CN202021448514.0U 2020-07-21 2020-07-21 Quick hole sealing device in annular space Active CN212614801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021448514.0U CN212614801U (en) 2020-07-21 2020-07-21 Quick hole sealing device in annular space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021448514.0U CN212614801U (en) 2020-07-21 2020-07-21 Quick hole sealing device in annular space

Publications (1)

Publication Number Publication Date
CN212614801U true CN212614801U (en) 2021-02-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021448514.0U Active CN212614801U (en) 2020-07-21 2020-07-21 Quick hole sealing device in annular space

Country Status (1)

Country Link
CN (1) CN212614801U (en)

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