CN110714454A - Roof grouting diagenetic reinforcement equipment and construction method thereof - Google Patents
Roof grouting diagenetic reinforcement equipment and construction method thereof Download PDFInfo
- Publication number
- CN110714454A CN110714454A CN201911200187.9A CN201911200187A CN110714454A CN 110714454 A CN110714454 A CN 110714454A CN 201911200187 A CN201911200187 A CN 201911200187A CN 110714454 A CN110714454 A CN 110714454A
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- bag
- pipe
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- 238000010276 construction Methods 0.000 title claims description 18
- 230000002787 reinforcement Effects 0.000 title claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000011440 grout Substances 0.000 claims description 12
- 238000007569 slipcasting Methods 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 9
- 230000000903 blocking effect 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
- 238000005452 bending Methods 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
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 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
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Classifications
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- 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
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- 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 top plate grouting diagenesis reinforcing equipment comprises a lower sleeve, an upper sleeve, a bag and a grouting pipe, wherein the center lines of the lower sleeve and the upper sleeve are superposed and 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 through hole and an outer through hole are formed in the upper part of the lower 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 opening in the bag, and a pipe cutting and up-down linkage device connected with the upper sleeve is arranged at the upper end of the lower sleeve. The invention has scientific principle, ingenious design, simple structure and convenient operation, and can effectively improve the strength, stability and other mechanical properties of the roof rock mass by adopting the grouting solidification molding technology.
Description
Technical Field
The invention belongs to the technical field of grouting reinforcement, and particularly relates to top plate grouting diagenesis reinforcement equipment and a construction method thereof.
Background
The grouting method is a method of injecting certain curable grout into cracks or pores of a ground 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 used for the last 200 years to improve the natural conditions of the ground. The grouting technology has been developed so far, and has various different grouting processes and grouting materials so as to meet different foundation conditions and construction purpose requirements. Grouting techniques are still in a lower stage than other disciplines, and especially the development of improving roof rock mass properties is still far from sufficient.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the top plate grouting diagenetic reinforcement equipment which is convenient to operate, high in construction efficiency and good in grouting reinforcement 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 diagenesis reinforcing apparatus, including the lower casing pipe, go up the sleeve pipe, bag and slip casting pipe, the coincidence of lower casing pipe and last sheathed tube central line and this central line all follow vertical setting, the bag is double-deck cap structure, the bag lower part overlaps in last sheathed tube upper end, penetrating through-hole inside and outside having been seted up on lower casing pipe upper portion, the slip casting pipe sets up at lower casing pipe and interior intraduct of going up, the slip casting pipe upper end is bent at through-hole department and is outwards passed the through-hole and be connected with the slip casting mouth on the bag, the lower casing pipe upper end is provided with the pipe cutting and upper and lower aggregate unit with last bushing.
The pipe cutting and up-down linkage device comprises a cutter, a guide ring and four connecting rods, wherein four long holes are formed in an upper sleeve along the direction parallel to an axis, the four long holes are uniformly arranged along the circumferential direction of the upper sleeve, the four connecting rods are parallel to the central line of a lower sleeve, the four connecting rods are uniformly arranged 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, four L-shaped holes are formed in the upper sleeve, 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 pillar, the upper parts of the four connecting rods extend into the upper sleeve, the four guide pillars correspondingly and outwards penetrate through the long holes to be fixedly connected with the inner wall of the guide ring, the cutter is fixedly arranged on the upper side edge, the cutter corresponds to the through hole and is sleeved at the bending part of the grouting pipe.
The upper end opening of the upper sleeve is provided with a blocking plate.
A construction method of top plate grouting diagenesis reinforcing equipment comprises the following steps,
(1) assembling the lower sleeve and the upper sleeve into a whole;
(2) mounting the bag on the upper sleeve, and connecting the upper end of the grouting pipe with the bag;
(3) an operator holds the lower part of the lower sleeve by hand, the upper parts of the upper sleeve and the lower sleeve are upwards sent 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 a reaming position;
(4) the lower end of the grouting pipe is connected with a grouting pump, the grouting pump injects slurry into the bag through the grouting pipe, so that the bag is filled with the slurry and the chambering area is filled with the slurry, and the permeability of the bag ensures that the slurry cannot seep outwards;
(5) stopping grouting after the grouting pressure of the grouting pump reaches a specified value, adding a certain amount of sodium gluconate into the grout to quickly solidify the grout, waiting for 3-5min, completing initial setting of the grout, and forming a hard solid material with certain strength in the bag;
(6) operating the lower sleeve, cutting the grouting pipe by the cutter, and moving the lower sleeve and the upper sleeve downwards to be taken out from the grouting hole of the top plate;
(7) when the slurry is completely solidified, anchor rod supporting can be carried out in the grouting hole, and the anchoring agent can pass through the solidified bag, so that the direct bonding 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 by 90 degrees to form guide pillars, 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 along the circumferential direction; a through hole and four long holes are formed in a preset position of an upper sleeve, a blocking plate is welded at an upper port of the upper sleeve, the upper ends of four connecting rods stretch into the upper sleeve, four guide posts penetrate through the through hole in a one-to-one correspondence mode, a 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 and the inner wall of the guide ring are welded into a whole.
The concrete process of the step (2) is that the bag is arranged 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 also corresponds to the through hole, and the upper end of the grouting pipe is bent and then 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 sent upwards into the grouting hole drilled in the top plate, the upper sleeve is moved upwards, the four connecting rods and the guide ring are also moved upwards, when the guide pillar moves upwards to the L-shaped hole along the long hole, the lower sleeve is rotated to rotate the guide pillar into the L-shaped hole, and then the lower sleeve is pushed upwards to enable the guide pillar to enter the top of the L-shaped hole, so that the upper sleeve and the lower sleeve form a whole.
And (6) cutting off the grouting pipe in the specific operation process that the lower sleeve is pulled downwards to enable the guide pillar to move to the bottom of the L-shaped hole, then the lower sleeve is rotated to enable the guide pillar to rotate into the long hole from the L-shaped hole, then the lower sleeve is pulled downwards violently, and the cutter on the guide ring cuts off the bent part at the upper end of the grouting pipe.
By adopting the technical scheme, the four connecting rods are connected into a whole by the guide ring, so that the four connecting rods can synchronously rotate or move up and down, and the upper casing and the lower casing can be firmly connected. The closure plate arranged at the upper end of the upper sleeve plays a role in supporting the bag during grouting operation. The center 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 and convenient operation, and can effectively improve the strength, stability and other mechanical properties of the roof rock mass by adopting the grouting solidification molding technology.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the upper cannula, bladder and grouting tube of FIG. 1;
FIG. 3 is a schematic view of the lower casing and pipe cutting and up and down linkage of FIG. 1;
figure 4 is a schematic illustration of the formation of hard solids in a grout hole after the grout has been injected and set.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As shown in fig. 1, 2 and 3, the roof grouting diagenesis reinforcing equipment comprises a lower sleeve 1, an upper sleeve 2, a bag 3 and a grouting pipe 4, wherein the center lines of the lower sleeve 1 and the upper sleeve 2 are superposed and 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, the upper part of the lower sleeve 1 is provided with an inner-outer through hole 5, 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 opening on the bag 3, and the upper end of the lower sleeve 1 is provided with a pipe cutting and an upper-lower linkage device.
The pipe cutting and up-and-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 arranged along the circumferential direction of the upper sleeve 2, the four connecting rods 8 are parallel to the central line of the lower sleeve 1, the four connecting rods 8 are uniformly arranged along the circumferential direction of the lower sleeve 1, the lower parts of the four connecting rods 8 are fixedly connected with the inner wall of the lower sleeve 1, the upper sleeve 2 is provided with four L-shaped holes 11, 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 guide pillars 12, the upper parts of the four connecting rods 8 extend into the upper sleeve 2, the four guide pillars 12 penetrate through the long holes 10 one by one to one and are fixedly connected with the inner wall of, the cutter 6 is of an annular structure, the cutting edge of the cutter 6 is arranged at the edge of the inner ring, and the cutter 6 corresponds to the through hole 5 and is sleeved at the bending part of the grouting pipe 4.
The upper end opening of the upper sleeve 2 is provided with a blocking plate 13.
A construction method of top plate grouting diagenesis reinforcing equipment comprises the following steps:
(1) assembling the lower casing 1 and the upper casing 2 into a whole;
(2) mounting the bag 3 on the upper sleeve 2, and connecting the upper end of the grouting pipe 4 with the bag 3;
(3) an operator holds the lower part of the lower casing 1 by hand, the upper casing 2 and the upper part of the lower casing 1 are sent upwards into a grouting hole 15 drilled on the top plate 14, the upper end part of the grouting hole 15 is simultaneously reamed 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, the grouting pump injects slurry into the bag through the grouting pipe 4, so that the bag is filled with the slurry and the reaming area, and the permeability of the bag ensures that the slurry cannot seep outwards;
(5) stopping grouting after the grouting pressure of the grouting pump reaches a specified value, adding a certain amount of sodium gluconate into the grout to quickly solidify the grout, waiting for 3-5min, completing initial setting of the grout, and forming a hard solid material with certain strength in the bag 3; as shown in fig. 4;
(6) operating the lower sleeve 1, cutting the grouting pipe 4 by the cutter 6, and moving the lower sleeve 1 and the upper sleeve 2 downwards to be taken out from the grouting hole 15 of the top plate 14;
(7) when the slurry is completely solidified, anchor rod supporting can be carried out in the grouting hole 15, and the anchoring agent can pass through the bag 3 after the slurry is solidified, so that the direct bonding 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 by 90 degrees to form guide pillars 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 a preset position of an upper sleeve 2, a blocking plate 13 is welded at an upper end opening of the upper sleeve 2, the upper ends of four connecting rods 8 extend into the upper sleeve 2, four guide pillars 12 penetrate through the through hole 5 in a one-to-one correspondence mode, a guide ring 7 is sleeved outside the upper sleeve, the outer ends of the four guide pillars 12 are in contact with the inner wall of the guide ring 7, and the outer ends of the guide pillars 12 and the inner wall of the guide ring 7 are welded into a whole.
The concrete process of the step (2) is that the bag 3 is arranged on the upper sleeve 2, 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 also corresponds to the through hole 5, and the upper end of the grouting pipe 4 is bent and then 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 into the grouting hole 15 drilled in the top plate 14, the upper sleeve 2 moves upwards, the four connecting rods 8 and the guide ring 7 also move upwards, when the guide pillar 12 moves upwards to the L-shaped hole 11 along the long hole 10, the lower sleeve 1 is rotated to rotate the guide pillar 12 into the L-shaped hole 11, then the lower sleeve 1 is pushed upwards to enable the guide pillar 12 to enter the top of the L-shaped hole 11, and therefore 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 to enable the guide pillar 12 to move to the bottom of the L-shaped hole 11, then the lower sleeve 1 is rotated to enable the guide pillar 12 to rotate into the long hole 10 from the L-shaped hole 11, then the lower sleeve 1 is pulled downwards violently, and the cutter 6 on the guide ring 7 cuts off the bent part at the upper end of the grouting pipe 4.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a roof slip casting diagenesis reinforcing apparatus which characterized in that: including the lower casing pipe, go up the sleeve pipe, bag and slip casting pipe, the coincidence of lower casing pipe and last sheathed tube central line and this central line all follow vertical setting, the bag is double-deck cap structure, the upper end at last sheathed tube is overlapped to bag lower part, penetrating through-hole inside and outside having been seted up on lower casing pipe upper portion, the slip casting pipe sets up inside lower casing pipe and last sleeve pipe, the slip casting pipe upper end is bent at through-hole department and is outwards passed the through-hole and be connected with the slip casting mouth on the bag, the lower casing pipe upper end is provided with the pipe cutting and upper and lower aggregate unit who is connected with last sleeve pipe.
2. The roof grouting diagenetic reinforcement equipment of claim 1, wherein: the pipe cutting and up-down linkage device comprises a cutter, a guide ring and four connecting rods, wherein four long holes are formed in an upper sleeve along the direction parallel to an axis, the four long holes are uniformly arranged along the circumferential direction of the upper sleeve, the four connecting rods are parallel to the central line of a lower sleeve, the four connecting rods are uniformly arranged 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, four L-shaped holes are formed in the upper sleeve, 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 pillar, the upper parts of the four connecting rods extend into the upper sleeve, the four guide pillars correspondingly and outwards penetrate through the long holes to be fixedly connected with the inner wall of the guide ring, the cutter is fixedly arranged on the upper side edge, the cutter corresponds to the through hole and is sleeved at the bending part of the grouting pipe.
3. The roof grouting diagenetic reinforcement equipment of claim 2, wherein: the upper end opening of the upper sleeve is provided with a blocking plate.
4. The construction method of the top plate grouting diagenetic reinforcement equipment as claimed in claim 3, wherein the construction method comprises the following steps: comprises the following steps of (a) carrying out,
(1) assembling the lower sleeve and the upper sleeve into a whole;
(2) mounting the bag on the upper sleeve, and connecting the upper end of the grouting pipe with the bag;
(3) an operator holds the lower part of the lower sleeve by hand, the upper parts of the upper sleeve and the lower sleeve are upwards sent 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 a reaming position;
(4) the lower end of the grouting pipe is connected with a grouting pump, the grouting pump injects slurry into the bag through the grouting pipe, so that the bag is filled with the slurry and the chambering area is filled with the slurry, and the permeability of the bag ensures that the slurry cannot seep outwards;
(5) stopping grouting after the grouting pressure of the grouting pump reaches a specified value, adding a certain amount of sodium gluconate into the grout to quickly solidify the grout, waiting for 3-5min, completing initial setting of the grout, and forming a hard solid material with certain strength in the bag;
(6) operating the lower sleeve, cutting the grouting pipe by the cutter, and moving the lower sleeve and the upper sleeve downwards to be taken out from the grouting hole of the top plate;
(7) when the slurry is completely solidified, anchor rod supporting can be carried out in the grouting hole, and the anchoring agent can pass through the solidified bag, so that the direct bonding of the anchoring agent and the hard solid is ensured, and the anchoring strength is ensured.
5. The construction method of the top plate grouting diagenetic reinforcement equipment as claimed in claim 4, 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 by 90 degrees to form guide pillars, 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 along the circumferential direction; a through hole and four long holes are formed in a preset position of an upper sleeve, a blocking plate is welded at an upper port of the upper sleeve, the upper ends of four connecting rods stretch into the upper sleeve, four guide posts penetrate through the through hole in a one-to-one correspondence mode, a 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 and the inner wall of the guide ring are welded into a whole.
6. The construction method of the top plate grouting diagenetic reinforcement equipment as claimed in claim 5, wherein the construction method comprises the following steps: the concrete process of the step (2) is that the bag is arranged 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 also corresponds to the through hole, and the upper end of the grouting pipe is bent and then sequentially penetrates through the cutter and the through hole from inside to outside and then is connected with the grouting opening.
7. The construction method of the top plate grouting diagenetic reinforcement equipment as claimed in claim 6, wherein the construction method comprises the following steps: in the step (3), before the upper sleeve and the lower sleeve are sent upwards into the grouting hole drilled in the top plate, the upper sleeve is moved upwards, the four connecting rods and the guide ring are also moved upwards, when the guide pillar moves upwards to the L-shaped hole along the long hole, the lower sleeve is rotated to rotate the guide pillar into the L-shaped hole, and then the lower sleeve is pushed upwards to enable the guide pillar to enter the top of the L-shaped hole, so that the upper sleeve and the lower sleeve form a whole.
8. The construction method of the top plate grouting diagenetic reinforcement equipment as claimed in claim 7, wherein the construction method comprises the following steps: and (6) cutting off the grouting pipe in the specific operation process that the lower sleeve is pulled downwards to enable the guide pillar to move to the bottom of the L-shaped hole, then the lower sleeve is rotated to enable the guide pillar to rotate into the long hole from the L-shaped hole, then the lower sleeve is pulled downwards violently, and the cutter on the guide ring cuts off the bent part at 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 |
|---|---|
| CN110714454A true CN110714454A (en) | 2020-01-21 |
| CN110714454B CN110714454B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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| CN110714454B (en) | 2024-03-01 |
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