CN215949527U - Hole sealing, grouting and water plugging reinforcing device for anchor cable holes in roadway water sprinkling area - Google Patents
Hole sealing, grouting and water plugging reinforcing device for anchor cable holes in roadway water sprinkling area Download PDFInfo
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- CN215949527U CN215949527U CN202120801721.8U CN202120801721U CN215949527U CN 215949527 U CN215949527 U CN 215949527U CN 202120801721 U CN202120801721 U CN 202120801721U CN 215949527 U CN215949527 U CN 215949527U
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- anchor cable
- plugging
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Abstract
The embodiment of the utility model discloses a hole sealing, grouting and water plugging reinforcing device for anchor cable holes in a roadway water sprinkling area, and relates to the technical field of surrounding rock grouting reinforcement and support reinforcement. The plugging material can be poured into the anchor cable hole, and the grouting material can be poured into the anchor cable hole, so that the anchor cable hole is convenient to reinforce. Hole sealing slip casting water shutoff reinforcing apparatus in tunnel drenches water district anchor rope hole includes: the grouting pipe is sleeved with a plugging pipe, an annular space is formed between the outer wall of the grouting pipe and the inner wall of the plugging pipe, and the plugging pipe is fixed in a grouting hole communicated with the anchor cable hole; the outer end of the grouting pipe is connected with a grouting pump, and the inner end of the grouting pipe is inserted into the anchor cable hole and is positioned in a deep area above the communication position of the anchor cable hole and the grouting hole; the outer end of the plugging pipe is connected with the material injection gun, and the inner end of the plugging pipe is inserted into a position where the anchor cable hole is communicated with the grouting hole. The utility model is suitable for grouting for underground engineering crack filling and surrounding rock reinforcement.
Description
Technical Field
The utility model relates to the technical field of surrounding rock grouting reinforcement and support reinforcement. In particular to a hole sealing, grouting and water plugging reinforcing device for anchor cable holes in a roadway water spraying area.
Background
In the process of coal mine roadway mining and supporting, anchor rod (cable) supporting, anchor grouting supporting, full anchor cable supporting, anchor cable and anchor grouting combined supporting and other supporting forms are widely applied to various coal mine roadways. After part of coal mine tunnels are supported by using anchor rods and anchor cables, the phenomena of water dripping and water leakage of anchor cable holes are easy to occur on tunnel top plates; there is the aquifer on part tunnel upper portion, if anchor rope hole tip extended to the aquifer that contains water abundantly, rivers can be along anchor rope hole continuous outflow, and the tunnel roof can form the trickle region under the water guide effect of steel band or reinforcing bar joist.
Aiming at the problem of water leakage of the existing anchor cable holes in a roadway water spraying area, the existing anchor cable holes are difficult to detach after normal anchoring and pre-tightening, and an effective method for grouting and reinforcing the anchored anchor cable holes is lacked at present, so that the anchor cable holes are sprayed with water for a long time, surrounding rocks expand and soften, corrosion of the anchor cable is accelerated, the anchoring force of the anchor cable is reduced, and the safety, stability and normal production in the roadway are seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a device for hole sealing, grouting, and water plugging reinforcement of an existing anchor cable hole in a roadway water spray area, which can fill plugging materials into the anchor cable hole and also fill grouting materials into the anchor cable hole, so as to facilitate reinforcement of the anchor cable hole.
In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:
the embodiment of the utility model provides a hole sealing, grouting and water plugging reinforcing device for anchor cable holes in a roadway water sprinkling area, which comprises: the grouting pipe is sleeved with a plugging pipe, an annular space is formed between the outer wall of the grouting pipe and the inner wall of the plugging pipe, and the plugging pipe is fixed in a grouting hole communicated with the anchor cable hole; the outer end of the grouting pipe is connected with a grouting pump, and the inner end of the grouting pipe is inserted into the anchor cable hole and is positioned in a deep area above the communication position of the anchor cable hole and the grouting hole; the outer end of the plugging pipe is connected with the material injection gun, and the inner end of the plugging pipe is inserted into a position where the anchor cable hole is communicated with the grouting hole.
According to a specific implementation mode of the embodiment of the utility model, a pulling iron wire penetrates through the grouting pipe, and the diameter of the pulling iron wire is 3-4 mm; the inner end of the traction iron wire is exposed out of the grouting pipe, the outer end of the traction iron wire is exposed out of the grouting hole, and the traction iron wire can be pulled back and forth inside and outside the grouting pipe.
According to a specific implementation manner of the embodiment of the utility model, the grouting pipe is a steel pipe, a PVC pipe or a high-pressure rubber pipe.
According to a specific implementation of the embodiment of the utility model, the device further comprises cotton yarn, foam and wood chips, wherein the cotton yarn, the foam and the wood chips are plugged in a gap between the outer wall of the plugging pipe and the grouting hole.
According to a specific implementation manner of the embodiment of the utility model, the device further comprises a grouting pipe joint, wherein the grouting pipe joint is arranged outside the grouting hole; the one end of slip casting coupling with the slip casting pump is connected, the other end of slip casting coupling through first conveying line with the slip casting pipe is connected.
According to a specific implementation manner of the embodiment of the utility model, the device further comprises a plugging pipe joint, wherein the plugging pipe joint is arranged outside the grouting hole; one end of the plugging pipe joint is connected with the material injection gun, and the other end of the plugging pipe joint is connected with the plugging pipe through a second conveying pipeline.
According to a specific implementation manner of the embodiment of the utility model, the material injection gun is a double-material gun or a single-material gun.
According to a specific implementation manner of the embodiment of the utility model, the device further comprises a water hose, and the water hose is hung at the end part of the anchor cable.
According to a specific implementation manner of the embodiment of the utility model, the device further comprises a truss, and the truss connects the anchor cables in the anchor cable holes to form a truss anchor cable support system.
According to the hole sealing, grouting and water plugging reinforcing device for the anchor cable hole in the roadway water sprinkling area, provided by the embodiment of the utility model, the grouting pipe is sleeved with the plugging pipe, an annular space is formed between the outer wall of the grouting pipe and the inner wall of the plugging pipe, the plugging pipe is connected with the material injection gun, and the plugging material enters the anchor cable hole through the annular space; the grouting pump is connected with the grouting pipe, grouting materials enter the anchor cable hole through the grouting pipe, and the grouting pipe and the plugging pipe are matched with each other in function, so that the device can be used for filling the plugging materials into the anchor cable hole and filling the grouting materials into the anchor cable hole, and the anchor cable hole is convenient to reinforce.
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 working schematic diagram of a hole sealing, grouting and water plugging reinforcing device for anchor cable holes in a roadway water sprinkling area according to an embodiment of the utility model.
Detailed Description
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 utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the hole sealing, grouting and water plugging reinforcing device for the anchor cable hole 3 in the roadway water sprinkling area provided by the embodiment of the utility model comprises: the grouting device comprises a grouting pipe 1, wherein a plugging pipe 2 is sleeved on the grouting pipe 1, an annular space is formed between the outer wall of the grouting pipe 1 and the inner wall of the plugging pipe 2, and the plugging pipe 2 is fixed in a grouting hole 4 communicated with an anchor cable hole 3; the outer end of the grouting pipe 1 is connected with a grouting pump (not shown in the figure), and the inner end of the grouting pipe is inserted into the anchor cable hole 3 and is positioned in a deep area above the communication position of the anchor cable hole 3 and the grouting hole 4; the outer end of the plugging pipe 2 is connected with a material injection gun (not shown in the figure), and the inner end of the plugging pipe is inserted into a position where the anchor cable hole 3 is communicated with the grouting hole 4.
The grouting pipe 1 is a steel pipe, a PVC pipe or a high-pressure rubber pipe. The size of the steel pipe is specially made 4 multiplied by 2mm, the size of the PVC pipe is 6 multiplied by 4mm, and the size of the high-pressure rubber pipe is 10 multiplied by 2 mm.
The length of the grouting pipe 1 in the grouting hole 4 and the length of the plugging pipe 2 in the grouting hole 4 are as follows: the grouting pipe 1 extends into a region from the grouting hole 4 to 1300mm to the deep part of the anchor cable hole 3, and 300mm is reserved outside the grouting hole 4 and connected with a grouting pump; the plugging pipe 2 extends 500mm from the grouting hole 4 to the position where the anchor cable hole 3 is communicated with the grouting hole 4, 300mm is reserved outside the grouting hole 4 to be connected with the injection gun, and one section of the plugging pipe 2 extending into the grouting hole 4 is also called as an injection pipe.
According to the hole sealing, grouting and water plugging reinforcing device for the anchor cable hole 3 in the roadway water sprinkling area, provided by the embodiment of the utility model, the grouting pipe 1 is sleeved with the plugging pipe 2, an annular space is formed between the outer wall of the grouting pipe 1 and the inner wall of the plugging pipe 2, the plugging pipe 2 is connected with the injection gun, and plugging materials enter the anchor cable hole 3 through the annular space; the grouting pump is connected with the grouting pipe 1, grouting materials enter the anchor cable hole 3 through the grouting pipe 1, and the grouting pipe 1 and the plugging pipe 2 are matched with each other in function, so that the device can be used for filling the plugging materials into the anchor cable hole 3 and filling the grouting materials into the anchor cable hole 3, and the anchor cable hole 3 can be reinforced conveniently.
The grouting pipe 1 has a drainage function after completing hole sealing and water plugging of a shallow region and before grouting reinforcement of a deep region, and part of silt in the anchor cable holes 3 enters the grouting pipe 1 along with the grouting pipe 1 during drainage, so that the grouting pipe 1 may be blocked. In one embodiment, a pulling iron wire (not shown) is inserted into the grouting pipe 1, and the diameter of the pulling iron wire is 3-4 mm; the inner end of the traction iron wire is exposed out of the grouting pipe 1, the outer end of the traction iron wire is exposed out of the grouting hole 4, and the traction iron wire can be pulled back and forth inside and outside the grouting pipe 1. From this, when silt in the anchor rope hole 3 gets into slip casting pipe 1 along with the infiltration, through the pulling iron wire in slip casting pipe 1, take silt from slip casting pipe 1 outside slip casting pipe 1, can guarantee that slip casting pipe 1 link up, the slip casting effect of reinforcing means to the anchor effect of the anchor rope in the reinforcing anchor rope hole 3.
In an embodiment, the device further comprises cotton, foam and wood chips which plug in the gap between the outer wall of the plugging tube 2 and the injection hole 4. Therefore, the plugging pipe 2 is fixed in the grouting hole 4, the foam, the cotton yarn and the wood chips are common materials in life, the material cost is low, and the economic benefit can be improved to a certain extent.
In one embodiment, the device further comprises a blocking pipe joint 5, wherein the blocking pipe joint 5 is arranged outside the grouting hole 4; one end of the blocking pipe joint 5 is connected with the material injection gun, and the other end of the blocking pipe joint 5 is connected with the blocking pipe 2 through a first conveying pipeline (not shown in the figure). From this, annotate the material rifle and can pour plugging material into anchor rope hole 3 through the annular space in the shutoff pipe 2 through first pipeline, realize the hole sealing water shutoff to anchor rope hole 3.
Wherein the plugging material can be a high water-fast setting expansion material. The high water-fast setting intumescent material is proportioned according to the expansion ratio of the intumescent material, so that the high water-fast setting intumescent material can be composed of two materials or one material, therefore, in one embodiment, the material injection gun is a double-material gun or a single-material gun.
In one embodiment, the device further comprises a grouting pipe 1 joint, wherein the grouting pipe 1 joint is arranged outside the grouting hole 4; the one end that slip casting pipe 1 connects with the grouting pump is connected, the other end that slip casting pipe 1 connects through second conveying line 6 with slip casting pipe 1 is connected. From this, the grouting pump can be with grouting material through second conveying pipeline 6, pours into anchor rope hole 3 through slip casting pipe 1 in, realizes the slip casting reinforcement to anchor rope hole 3.
The length of the first conveying pipeline and the proportion of the grouting materials can be changed, so that the grouting reinforcement effect on the anchor cable holes 3 is enhanced. Specifically, in one example, the grouting material is cement and water glass double-liquid slurry, the initial setting time of the double-liquid slurry is 20-30 seconds, the time for the double-liquid slurry to enter the anchor cable hole 3 is prolonged by lengthening the first conveying pipeline from the output end of the grouting pump to the grouting pipe 1, so that the double-liquid slurry injected into the anchor cable hole 3 is close to the initial setting state, the setting time of the double-liquid slurry in the crack of the surrounding rock penetrated by the anchor cable hole 3 is shortened, and the grouting reinforcement effect on the anchor cable hole 3 is enhanced; or the volume ratio of the two kinds of slurry is adjusted to enable the double-slurry injected into the anchor cable hole 3 to be close to an initial setting state, so that the setting time of the double-slurry in the anchor cable hole 3 penetrating into the surrounding rock cracks is shortened, and the grouting reinforcement effect on the anchor cable hole 3 is enhanced.
In one embodiment, the apparatus further comprises a model QCT-1-4.5 hand-held pneumatic drill (not shown) with an alloy bit and a hose (not shown) suspended from the end of the cable bolt. The water hose is used for judging whether the grouting hole 4 formed in the drilling machine is communicated with the anchor cable hole 3 or not and bearing water seepage in the anchor cable hole 3, so that the influence of water spraying of the anchor cable hole 3 on drilling and plugging construction is reduced to a certain extent. Specifically, before drilling, a water hose is hung at the end part of an anchor cable; in the drilling process, when the grouting hole 4 is communicated with the anchor cable hole 3, the drill bit is in contact with the anchor cable to cause the anchor cable to vibrate, so that the water level change in a water zone at the end part of the anchor cable is caused, therefore, whether the drilling of the drilling machine is stopped or not can be judged by observing the water level in the water zone, namely, whether the grouting hole 4 is communicated with the anchor cable hole 3 or not.
In one embodiment, the device further comprises a truss (not shown) connecting the anchor cables in the plurality of anchor cable holes 3 to form a truss anchor cable support system. After grouting of the deep area of the annular space of the opposite-end anchor supporting structure is finished, an anchor cable hole 3 is formed to anchor an anchor cable in an overlong or full-length mode, grouting reinforcement is conducted on surrounding rock of the annular space of the anchor cable supporting structure, if surrounding rock cracks develop, double-slurry can be used for integrally reinforcing the surrounding rock above a working face top plate through communicated cracks, and supporting effect and surrounding rock strength of the anchor cable supporting structure are improved; the truss in the roadway is connected with the end parts of the anchor cables and is attached to the roadway top plate to form a truss anchor cable support system so as to support surrounding rocks above the working face top plate.
The hole sealing, grouting and water plugging reinforcing device for the anchor cable holes 3 in the roadway water sprinkling area is used in cooperation with a hole sealing, grouting and water plugging reinforcing method for the anchor cable holes 3 in the roadway water sprinkling area.
It should be noted that, in this document, the emphasis points of the solutions described in the embodiments are different, but there is a certain correlation between the embodiments, and in understanding the solution of the present invention, the embodiments may be referred to each other; moreover, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiment of the present invention, but the 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 are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a hole sealing slip casting water shutoff reinforcing apparatus in anchor rope hole in tunnel drenches water district which characterized in that includes: the grouting pipe is sleeved with a plugging pipe, an annular space is formed between the outer wall of the grouting pipe and the inner wall of the plugging pipe, and the plugging pipe is fixed in a grouting hole communicated with the anchor cable hole;
the outer end of the grouting pipe is connected with a grouting pump, and the inner end of the grouting pipe is inserted into the anchor cable hole and is positioned in a deep area above the communication position of the anchor cable hole and the grouting hole; the outer end of the plugging pipe is connected with the material injection gun, and the inner end of the plugging pipe is inserted into a position where the anchor cable hole is communicated with the grouting hole.
2. The device of claim 1, wherein a pulling iron wire is arranged in the grouting pipe in a penetrating mode, and the diameter of the pulling iron wire is 3-4 mm;
the inner end of the traction iron wire is exposed out of the grouting pipe, the outer end of the traction iron wire is exposed out of the grouting hole, and the traction iron wire can be pulled back and forth inside and outside the grouting pipe.
3. The apparatus of claim 1, wherein the grout pipe is a steel pipe, a PVC pipe, or a high pressure hose.
4. The apparatus of claim 1, further comprising cotton, foam and wood chips plugged in a gap between the outer wall of the containment tube and the grout hole.
5. The apparatus of claim 1, further comprising a grout joint disposed outside the grout hole; the one end of slip casting coupling with the slip casting pump is connected, the other end of slip casting coupling through first conveying line with the slip casting pipe is connected.
6. The device of claim 1, further comprising a blocking tube connector disposed outside the grouting hole; one end of the plugging pipe joint is connected with the material injection gun, and the other end of the plugging pipe joint is connected with the plugging pipe through a second conveying pipeline.
7. The apparatus of claim 6, wherein the injection gun is a dual gun or a single gun.
8. The device of claim 1, further comprising a water hose suspended from an anchor line end.
9. The device of claim 1, further comprising a truss connecting the tendons in the plurality of tendon holes to form a truss-tendon support system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801721.8U CN215949527U (en) | 2021-04-19 | 2021-04-19 | Hole sealing, grouting and water plugging reinforcing device for anchor cable holes in roadway water sprinkling area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801721.8U CN215949527U (en) | 2021-04-19 | 2021-04-19 | Hole sealing, grouting and water plugging reinforcing device for anchor cable holes in roadway water sprinkling area |
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| Publication Number | Publication Date |
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| CN215949527U true CN215949527U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120801721.8U Active CN215949527U (en) | 2021-04-19 | 2021-04-19 | Hole sealing, grouting and water plugging reinforcing device for anchor cable holes in roadway water sprinkling area |
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| CN (1) | CN215949527U (en) |
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2021
- 2021-04-19 CN CN202120801721.8U patent/CN215949527U/en active Active
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