CN110714454B - Roof grouting diagenetic reinforcing equipment and construction method thereof - Google Patents
Roof grouting diagenetic reinforcing equipment and construction method thereof Download PDFInfo
- Publication number
- CN110714454B CN110714454B CN201911200187.9A CN201911200187A CN110714454B CN 110714454 B CN110714454 B CN 110714454B CN 201911200187 A CN201911200187 A CN 201911200187A CN 110714454 B CN110714454 B CN 110714454B
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- sleeve
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- pipe
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 title claims description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000011435 rock Substances 0.000 claims abstract description 12
- 238000007569 slipcasting Methods 0.000 claims abstract description 12
- 238000005728 strengthening Methods 0.000 claims abstract 2
- 239000002002 slurry Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 229940005574 sodium gluconate Drugs 0.000 claims description 3
- 235000012207 sodium gluconate Nutrition 0.000 claims description 3
- 239000000176 sodium gluconate Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 3
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a roof slip casting diagenetic strengthening equipment and construction method thereof, including lower sleeve pipe, go up sleeve pipe, bag and slip casting pipe, the central line coincidence and this central line of lower sleeve pipe and last sleeve pipe are all along vertical setting, the bag is double-deck cap form structure, bag lower part cover is at the upper end of upper sleeve pipe, set up inside and outside penetrating through-hole on the upper sleeve pipe, the slip casting pipe sets up in lower sleeve pipe and upper sleeve pipe inside, slip casting pipe upper end is bent outwards to pass the through-hole in through-hole department and is connected with the slip casting mouth on the bag, lower sleeve pipe upper end is provided with the cutting pipe and the upper and lower aggregate unit of being connected with last sleeve pipe. The invention has scientific principle, ingenious design, simple structure, convenient operation and capability of effectively improving the strength, stability and other mechanical properties of the roof rock mass by adopting a grouting solidification forming technology.
Description
Technical Field
The invention belongs to the technical field of grouting reinforcement, and particularly relates to roof grouting diagenetic reinforcement equipment and a construction method thereof.
Background
Grouting is a method of injecting certain curable slurries into cracks or pores of a geotechnical foundation to improve its physical and mechanical properties. The grouting aims at preventing seepage, stopping leakage, reinforcing and enhancing the strength of the rock mass and improving the impermeability and stability of the rock mass, thereby changing the physical and mechanical properties of the rock mass. Grouting methods have been applied to improve the natural condition of foundations for nearly 200 years. The grouting technology has been developed so far, and various grouting processes and grouting materials are provided to meet different foundation conditions and construction purpose requirements. Grouting techniques are still in a lower stage than other disciplines, and in particular the development of improving the performance of roof rock mass is still far from being adequate.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the top plate grouting rock-forming reinforcing equipment which is convenient to operate, high in construction efficiency and good in grouting reinforcing effect and the construction method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a roof slip casting diagenetic reinforcement equipment, including lower sleeve pipe, go up sleeve pipe, bag and slip casting pipe, the central line coincidence of lower sleeve pipe and last sheathed tube just this central line is all along vertical setting, the bag is double-deck cap form structure, bag lower part cover is last sheathed tube upper end, set up inside and outside penetrating through-hole on the last sleeve pipe, the slip casting pipe sets up inside lower sleeve pipe and last sleeve pipe, slip casting pipe upper end is bent outwards to pass the through-hole in through-hole department and is connected with the slip casting mouth on the bag, lower sleeve pipe upper end is provided with and goes up sleeve pipe connected cut pipe and upper and lower aggregate unit.
The utility model provides a cut pipe and go up lower aggregate unit includes cutter, guide ring and four connecting rods, four slot holes have been seted up along the direction that is on a parallel with the axis on the sleeve pipe, four slot holes are evenly arranged along the circumferencial direction of last sheathed tube, four connecting rods are all on a parallel with the center line of sheathed tube down, four connecting rods are evenly arranged along the circumferencial direction of sheathed tube down, the equal fixed connection of lower part of four connecting rods is at sheathed tube inner wall down, four L type holes have been seted up on the sleeve pipe, the horizontal segment of four L type holes all corresponds the top left side of a slot hole and link up, the guide ring cover is established in the sleeve pipe outside, the upper end of four connecting rods all is provided with a guide pillar, the upper portion of four connecting rods all stretches into in the sleeve pipe, four guide pillar one-to-one outwards pass slot hole and guide ring inner wall fixed connection, the cutter is fixed to be set up at the upper side of guide ring, the cutter is annular structure, the cutting edge of cutter sets up at inner circle edge, cutter and through-hole correspond and cover in the department of bending of slip casting pipe.
The upper end opening of the upper sleeve is provided with a blocking plate.
A construction method of roof grouting diagenetic reinforcing equipment, which comprises the following steps,
(1) Assembling the lower sleeve and the upper sleeve into a whole;
(2) Installing the bag on the upper sleeve, and connecting the upper port of the grouting pipe with the bag;
(3) The operator holds the lower part of the lower sleeve, the upper sleeve and the upper part of the lower sleeve are upwards fed into a grouting hole drilled on the top plate, the upper end part of the grouting hole is simultaneously reamed after drilling, and the bag stops when moving upwards to the reaming position;
(4) The lower end of the grouting pipe is connected with a grouting pump, and the grouting pump injects slurry into the bag through the grouting pipe, so that the bag is filled with the slurry and filled in the reaming area, and the permeability of the bag ensures that the slurry cannot be infiltrated outwards;
(5) After the grouting pressure of the grouting pump reaches a specified value, the grouting pump is closed, grouting is stopped, a certain amount of sodium gluconate is added into the slurry, so that the slurry can be quickly solidified, the slurry is waited for 3-5min to be initially solidified, and a hard solid material with a certain strength is formed in the bag;
(6) Operating the lower sleeve, cutting off the grouting pipe by a cutter, and taking out the lower sleeve and the upper sleeve from the grouting hole of the top plate by downward movement;
(7) The anchor rod support can be carried out in the grouting hole after the slurry is completely solidified, the anchoring agent can pass through after the sac is solidified, the direct adhesion of the anchoring agent and the hard solid is ensured, and the anchoring strength is ensured.
The specific process of the step (1) is that the upper ends of the four connecting rods are bent for 90 degrees to form guide posts, and the lower parts of the four connecting rods are respectively and uniformly welded on the inner wall of the upper port of the lower sleeve in the circumferential direction; a through hole and four long holes are formed in the preset position of the upper sleeve, the blocking plate is welded to the upper port of the upper sleeve, the upper ends of the four connecting rods extend into the upper sleeve, four guide posts penetrate through the through holes in a one-to-one correspondence mode, the guide ring is sleeved outside the upper sleeve, the outer ends of the four guide posts are in contact with the inner wall of the guide ring, and the outer ends of the guide posts are welded with the inner wall of the guide ring into a whole.
The concrete process of the step (2) is that the bag is installed on the upper sleeve, the grouting opening of the bag corresponds to the through hole on the upper sleeve, the cutter welded on the upper side edge of the guide ring in advance corresponds to the through hole, and the upper end of the grouting pipe is bent and sequentially penetrates through the cutter and the through hole from inside to outside and then is connected with the grouting opening.
In the step (3), before the upper sleeve and the lower sleeve are upwards sent to the grouting holes drilled on the top plate, the upper sleeve is upwards moved, the four connecting rods and the guide rings are upwards moved, when the guide pillar upwards moves to the L-shaped holes along the long holes, the lower sleeve is rotated to rotate the guide pillar into the L-shaped holes, and then the lower sleeve is upwards pushed to enable the guide pillar to enter the top of the L-shaped holes, so that the upper sleeve and the lower sleeve form a whole.
The concrete operation process of cutting off the grouting pipe in the step (6) is that the lower sleeve is pulled downwards, so that the guide pillar moves to the bottom of the L-shaped hole, the lower sleeve is rotated, the guide pillar rotates into the long hole from the L-shaped hole, then the lower sleeve is pulled downwards in a jerking manner, and the cutter on the guide ring cuts off the bending position of the upper end of the grouting pipe.
By adopting the technical scheme, the guide ring disclosed by the invention has the advantages that the four connecting rods are connected into a whole, so that the four connecting rods can synchronously rotate or move up and down, and the upper sleeve and the lower sleeve can be firmly connected. The blocking plate arranged at the upper end of the upper sleeve plays a role in supporting the bag during grouting operation. The central hole of the cutter is larger than the diameter of the grouting pipe, so that the cutter can conveniently rotate and move downwards when the grouting pipe is cut. The upper sleeve and the lower sleeve can be repeatedly used, and only the grouting bag needs to be replaced when grouting is performed again, and then the grouting pipe is connected with the grouting bag.
The invention has scientific principle, ingenious design, simple structure, convenient operation and capability of effectively improving the strength, stability and other mechanical properties of the roof rock mass by adopting a grouting solidification forming technology.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the upper sleeve, bladder and grouting pipe of FIG. 1;
FIG. 3 is a schematic view of the lower sleeve and cutting tube and upper and lower linkage of FIG. 1;
FIG. 4 is a schematic illustration of the formation of a hard solid in a re-grouting hole after grouting is completed and set.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, 2 and 3, the top plate grouting rock reinforcing equipment comprises a lower sleeve 1, an upper sleeve 2, a bag 3 and a grouting pipe 4, wherein the central lines of the lower sleeve 1 and the upper sleeve 2 are overlapped and are vertically arranged, the inner diameters and the outer diameters of the lower sleeve 1 and the upper sleeve 2 are equal, the length of the lower sleeve 1 is greater than that of the upper sleeve 2, the bag 3 is of a double-layer cap-shaped structure, the lower part of the bag 3 is sleeved at the upper end part of the upper sleeve 2, an inner and outer penetrating through hole 5 is formed in the upper sleeve 2, the grouting pipe 4 is arranged inside the lower sleeve 1 and the upper sleeve 2, the upper end of the grouting pipe 4 is bent at the through hole 5 and outwards penetrates through the through hole 5 to be connected with a grouting port on the bag 3, and a cutting pipe connected with the upper sleeve 2 and an upper linkage device are arranged at the upper end of the lower sleeve 1.
The pipe cutting and up-down linkage device comprises a cutter 6, a guide ring 7 and four connecting rods 8, wherein four long holes 10 are formed in the upper sleeve 2 along the direction parallel to the axis, the four long holes 10 are uniformly distributed along the circumferential direction of the upper sleeve 2, the four connecting rods 8 are uniformly parallel to the central line of the lower sleeve 1, the four connecting rods 8 are uniformly distributed along the circumferential direction of the lower sleeve 1, the lower parts of the four connecting rods 8 are fixedly connected to the inner wall of the lower sleeve 1, four L-shaped holes 11 are formed in the upper sleeve 2, the horizontal sections of the four L-shaped holes 11 are communicated with the left side of the top of one long hole 10, the guide ring 7 is sleeved outside the upper sleeve 2, the upper ends of the four connecting rods 8 are provided with a guide post 12, the upper parts of the four connecting rods 8 are respectively and correspondingly extended into the upper sleeve 2, the four guide posts 12 are respectively and outwardly fixedly connected with the inner wall of the guide ring 7 through the long holes 10, the cutter 6 is fixedly arranged on the upper side edge of the guide ring 7, the cutter 6 is in an annular structure, the cutting edge of the cutter 6 is arranged at the inner edge of the lower sleeve 1, and the cutter 6 corresponds to the through hole 5 and is sleeved at the bending position of the grouting pipe 4.
The upper port of the upper sleeve 2 is provided with a blocking plate 13.
A construction method of roof grouting diagenetic reinforcing equipment comprises the following steps:
(1) Assembling the lower sleeve 1 and the upper sleeve 2 into a whole;
(2) Installing the bag 3 on the upper sleeve 2, and connecting the upper port of the grouting pipe 4 with the bag 3;
(3) The operator holds the lower part of the lower sleeve 1, and sends the upper sleeve 2 and the upper part of the lower sleeve 1 upwards into a grouting hole 15 drilled on a top plate 14, the upper end part of the grouting hole 15 is reamed at the same time after drilling, and the bag 3 stops when moving upwards to a reaming position;
(4) The lower end of the grouting pipe 4 is connected with a grouting pump, and the grouting pump injects slurry into the bag through the grouting pipe 4, so that the bag is filled with the slurry and filled in the reaming area, and the permeability of the bag ensures that the slurry cannot be oozed out;
(5) After the grouting pressure of the grouting pump reaches a specified value, the grouting pump is closed, grouting is stopped, a certain amount of sodium gluconate is added into the slurry, so that the slurry can be quickly solidified, the slurry is waited for 3-5min to be initially solidified, and a hard solid material with a certain strength is formed in the bag 3; as shown in fig. 4;
(6) Operating the lower sleeve 1, cutting off the grouting pipe 4 by the cutter 6, and taking out the lower sleeve 1 and the upper sleeve 2 from the grouting holes 15 of the top plate 14 by moving downwards;
(7) The anchor rod support can be carried out in the grouting holes 15 after the slurry is completely solidified, the anchoring agent can pass through after the sac 3 is solidified, the direct adhesion of the anchoring agent and the hard solid 9 is ensured, and the anchoring strength is ensured.
The specific process of the step (1) is that the upper ends of the four connecting rods 8 are bent for 90 degrees to form guide posts 12, and the lower parts of the four connecting rods 8 are respectively and uniformly welded on the inner wall of the upper port of the lower sleeve 1 along the circumferential direction; a through hole 5 and four long holes 10 are formed in the preset position of the upper sleeve 2, a blocking plate 13 is welded at the upper port of the upper sleeve 2, the upper ends of four connecting rods 8 extend into the upper sleeve 2, four guide posts 12 correspondingly penetrate through the through holes 5 one by one, then the guide ring 7 is sleeved outside the upper sleeve, the outer ends of the four guide posts 12 are in contact with the inner wall of the guide ring 7, and the outer ends of the guide posts 12 are welded with the inner wall of the guide ring 7 into a whole.
The concrete process of the step (2) is that the bag 3 is installed on the upper sleeve 2, so that the grouting opening of the bag 3 corresponds to the through hole 5 on the upper sleeve 2, the cutter 6 welded on the upper side edge of the guide ring 7 in advance corresponds to the through hole 5, and the upper end of the grouting pipe 4 is bent and sequentially penetrates through the cutter 6 and the through hole 5 from inside to outside and then is connected with the grouting opening.
In the step (3), before the upper sleeve 2 and the lower sleeve 1 are sent upwards to the grouting holes 15 drilled on the top plate 14, the upper sleeve 2 is moved upwards, the four connecting rods 8 and the guide rings 7 are also moved upwards, when the guide posts 12 move upwards to the L-shaped holes 11 along the long holes 10, the lower sleeve 1 is rotated to rotate the guide posts 12 into the L-shaped holes 11, and then the lower sleeve 1 is pushed upwards, so that the guide posts 12 enter the tops of the L-shaped holes 11, and the upper sleeve 2 and the lower sleeve 1 form a whole.
The concrete operation process of cutting off the grouting pipe 4 in the step (6) is that the lower sleeve 1 is pulled downwards, the guide post 12 is moved to the bottom of the L-shaped hole 11, the lower sleeve 1 is rotated, the guide post 12 is rotated into the long hole 10 from the L-shaped hole 11, the lower sleeve 1 is pulled downwards, and the cutter 6 on the guide ring 7 cuts off the bending part at the upper end of the grouting pipe 4.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. Roof slip casting diagenetic strengthening equipment, its characterized in that: the device comprises a lower sleeve, an upper sleeve, a bag and a grouting pipe, wherein the central lines of the lower sleeve and the upper sleeve are overlapped and are vertically arranged, the bag is of a double-layer cap-shaped structure, the lower part of the bag is sleeved at the upper end part of the upper sleeve, an inner and outer through hole is formed in the upper sleeve, the grouting pipe is arranged inside the lower sleeve and the upper sleeve, the upper end of the grouting pipe is bent at the through hole and outwards penetrates through the through hole to be connected with a grouting port on the bag, and the upper end of the lower sleeve is provided with a cutting pipe connected with the upper sleeve and an upper and lower linkage device;
the pipe cutting and upper and lower linkage device comprises a cutter, a guide ring and four connecting rods, wherein the upper sleeve is provided with four long holes along the direction parallel to the axis, the four long holes are uniformly distributed along the circumferential direction of the upper sleeve, the four connecting rods are all parallel to the central line of the lower sleeve, the four connecting rods are uniformly distributed along the circumferential direction of the lower sleeve, the lower parts of the four connecting rods are fixedly connected to the inner wall of the lower sleeve, the upper sleeve is provided with four L-shaped holes, the horizontal sections of the four L-shaped holes are communicated with the left side of the top of one long hole, the guide ring is sleeved outside the upper sleeve, the upper ends of the four connecting rods are provided with a guide post, the upper parts of the four connecting rods are all extended into the upper sleeve, the four guide posts are fixedly connected with the inner wall of the guide ring in a one-to-one way, the cutter is fixedly arranged on the upper side edge of the guide ring, the cutter is in an annular structure, and the cutter edge of the cutter is corresponding to the through hole and sleeved at the bending part of the grouting pipe;
the upper end opening of the upper sleeve is provided with a blocking plate.
2. The construction method of the roof grouting rock formation reinforcing equipment according to claim 1, wherein the construction method comprises the following steps: comprises the steps of,
(1) Assembling the lower sleeve and the upper sleeve into a whole;
(2) Installing the bag on the upper sleeve, and connecting the upper port of the grouting pipe with the bag;
(3) The operator holds the lower part of the lower sleeve, the upper sleeve and the upper part of the lower sleeve are upwards fed into a grouting hole drilled on the top plate, the upper end part of the grouting hole is simultaneously reamed after drilling, and the bag stops when moving upwards to the reaming position;
(4) The lower end of the grouting pipe is connected with a grouting pump, and the grouting pump injects slurry into the bag through the grouting pipe, so that the bag is filled with the slurry and filled in the reaming area, and the permeability of the bag ensures that the slurry cannot be infiltrated outwards;
(5) After the grouting pressure of the grouting pump reaches a specified value, the grouting pump is closed, grouting is stopped, a certain amount of sodium gluconate is added into the slurry, so that the slurry can be quickly solidified, the slurry is waited for 3-5min to be initially solidified, and a hard solid material with a certain strength is formed in the bag;
(6) Operating the lower sleeve, cutting off the grouting pipe by a cutter, and taking out the lower sleeve and the upper sleeve from the grouting hole of the top plate by downward movement;
(7) The anchor rod support can be carried out in the grouting hole after the slurry is completely solidified, the anchoring agent can pass through after the sac is solidified, the direct adhesion of the anchoring agent and the hard solid is ensured, and the anchoring strength is ensured.
3. The construction method of the roof grouting rock formation reinforcing equipment according to claim 2, wherein the construction method comprises the following steps: the specific process of the step (1) is that the upper ends of the four connecting rods are bent for 90 degrees to form guide posts, and the lower parts of the four connecting rods are respectively and uniformly welded on the inner wall of the upper port of the lower sleeve in the circumferential direction; a through hole and four long holes are formed in the preset position of the upper sleeve, the blocking plate is welded to the upper port of the upper sleeve, the upper ends of the four connecting rods extend into the upper sleeve, four guide posts penetrate through the through holes in a one-to-one correspondence mode, the guide ring is sleeved outside the upper sleeve, the outer ends of the four guide posts are in contact with the inner wall of the guide ring, and the outer ends of the guide posts are welded with the inner wall of the guide ring into a whole.
4. A construction method of a roof grouting rock formation reinforcing apparatus according to claim 3, wherein: the concrete process of the step (2) is that the bag is installed on the upper sleeve, the grouting opening of the bag corresponds to the through hole on the upper sleeve, the cutter welded on the upper side edge of the guide ring in advance corresponds to the through hole, and the upper end of the grouting pipe is bent and sequentially penetrates through the cutter and the through hole from inside to outside and then is connected with the grouting opening.
5. The construction method of the roof grouting rock formation reinforcing equipment according to claim 4, wherein the construction method comprises the following steps: in the step (3), before the upper sleeve and the lower sleeve are upwards sent to the grouting holes drilled on the top plate, the upper sleeve is upwards moved, the four connecting rods and the guide rings are upwards moved, when the guide pillar upwards moves to the L-shaped holes along the long holes, the lower sleeve is rotated to rotate the guide pillar into the L-shaped holes, and then the lower sleeve is upwards pushed to enable the guide pillar to enter the top of the L-shaped holes, so that the upper sleeve and the lower sleeve form a whole.
6. The construction method of the roof grouting rock formation reinforcing equipment according to claim 5, wherein the construction method comprises the following steps: the concrete operation process of cutting off the grouting pipe in the step (6) is that the lower sleeve is pulled downwards, so that the guide pillar moves to the bottom of the L-shaped hole, the lower sleeve is rotated, the guide pillar rotates into the long hole from the L-shaped hole, then the lower sleeve is pulled downwards in a jerking manner, and the cutter on the guide ring cuts off the bending position of the upper end of the grouting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200187.9A CN110714454B (en) | 2019-11-29 | 2019-11-29 | Roof grouting diagenetic reinforcing equipment and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200187.9A CN110714454B (en) | 2019-11-29 | 2019-11-29 | Roof grouting diagenetic reinforcing equipment and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN110714454A CN110714454A (en) | 2020-01-21 |
| CN110714454B true CN110714454B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911200187.9A Active CN110714454B (en) | 2019-11-29 | 2019-11-29 | Roof grouting diagenetic reinforcing equipment and construction method thereof |
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| Country | Link |
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| CN (1) | CN110714454B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975594A (en) * | 2015-06-17 | 2015-10-14 | 中国矿业大学 | Grouting pipe for miscellaneous fill stratum and construction method |
| CN108104856A (en) * | 2017-12-12 | 2018-06-01 | 华北科技学院 | A kind of slurry pouch grouted anchor bar and application method with control system |
| CN108119093A (en) * | 2017-12-06 | 2018-06-05 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | Well cementation casing automatic grouting equipment |
| CN211143042U (en) * | 2019-11-29 | 2020-07-31 | 河南理工大学 | Roof slip casting diagenesis reinforcing apparatus |
-
2019
- 2019-11-29 CN CN201911200187.9A patent/CN110714454B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975594A (en) * | 2015-06-17 | 2015-10-14 | 中国矿业大学 | Grouting pipe for miscellaneous fill stratum and construction method |
| CN108119093A (en) * | 2017-12-06 | 2018-06-05 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | Well cementation casing automatic grouting equipment |
| CN108104856A (en) * | 2017-12-12 | 2018-06-01 | 华北科技学院 | A kind of slurry pouch grouted anchor bar and application method with control system |
| CN211143042U (en) * | 2019-11-29 | 2020-07-31 | 河南理工大学 | Roof slip casting diagenesis reinforcing apparatus |
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| Publication number | Publication date |
|---|---|
| CN110714454A (en) | 2020-01-21 |
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