CN115387336A - Bag type grouting body-expanding rotary spraying anchor cable and construction method thereof - Google Patents
Bag type grouting body-expanding rotary spraying anchor cable and construction method thereof Download PDFInfo
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- CN115387336A CN115387336A CN202211138970.9A CN202211138970A CN115387336A CN 115387336 A CN115387336 A CN 115387336A CN 202211138970 A CN202211138970 A CN 202211138970A CN 115387336 A CN115387336 A CN 115387336A
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000005507 spraying Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007569 slipcasting Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000002775 capsule Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a bag type grouting expanding rotary spraying anchor cable and a construction method thereof. Bag formula slip casting expands body and spouts anchor rope soon includes the stock, and a plurality of stocks are the linearity and arrange, and wherein the one end fixed mounting of one end stock has the drill bit, and the equal fixed mounting in inside of a plurality of stocks has a plurality of fixed blocks, and the inside of a plurality of stocks all has the slip casting pipe through fixed block fixed mounting, and one side of slip casting pipe is equipped with the gas pipe, and interconnect between gas pipe and a plurality of fixed blocks, and one side of gas pipe is equipped with the water injection pipe. The bag type grouting expanded rotary spraying anchor cable and the construction method thereof provided by the invention have the advantages that when two anchor rods are connected, the two anchor rods can be quickly clamped through the connecting mechanism, compared with a connecting mode through a threaded sleeve, the quick clamping mode can increase the convenience of equipment in use, the operation time can be saved in the construction process, and the construction progress can be increased.
Description
Technical Field
The invention relates to the field of rotary spraying anchor cables, in particular to a bag type grouting expanding rotary spraying anchor cable and a construction method thereof.
Background
In the work progress of present spouting anchor rope soon, for reaching predetermined distance, need be connected a plurality of stock on the equipment, and the stock when connecting, all connects the one end of two stock through the threaded sleeve, however, such connected mode when using, need occupy more time and be connected two stock and threaded sleeve, can not swift use.
Therefore, there is a need to provide a new bag-type grouting expanded body jet grouting anchor cable and a construction method thereof to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bag type grouting expansion rotary spraying anchor cable and a construction method thereof.
The invention provides a capsule grouting expanding rotary spraying anchor cable, which comprises: the stock, a plurality of stocks are the linearity and arrange, wherein the one end fixed mounting of one end stock has the drill bit, the equal fixed mounting in inside of a plurality of stocks has a plurality of fixed blocks, the inside of a plurality of stocks all has the slip casting pipe through fixed block fixed mounting, one side of slip casting pipe is equipped with the gas pipe, and interconnect between gas pipe and a plurality of fixed blocks, one side of gas pipe is equipped with the water injection pipe, and interconnect between water injection pipe and a plurality of fixed blocks, the one end fixed mounting of stock has coupling mechanism, and coupling mechanism's one end passes the one end of stock, coupling mechanism includes: the installation piece, installation piece fixed mounting is in fixed block one side central authorities of stock one end, and the top spring is installed to the inside bottom of installation piece, and the inside top sliding connection of installation piece has last kicking block, and cup joints each other between the bottom of going up the kicking block and the last top spring, and the top equidistance of going up the kicking block is connected with the fixture block through the pivot rotation, and the stock is kept away from the one end of drill bit and is installed bag formula slip casting and expand the body.
Preferably, the plurality of clamping blocks are arranged at an included angle of 120 degrees.
Preferably, the bayonet socket has all been seted up to the one end of slip casting pipe, gas pipe and water injection pipe, the other end of slip casting pipe, gas pipe and water injection pipe all seted up with the bayonet socket between the cooperation mouth of mutually supporting.
Preferably, the connection mechanism further comprises:
the cooperation seat, cooperation seat fixed mounting in one side of fixed block, the inner circle equidistance of cooperation seat seted up with the fixture block between the draw-in groove of mutually supporting, the fixed block inside sliding connection of stock has the depression bar, the one end fixed mounting of depression bar has the cooperation piece, auxiliary spring has been cup jointed to the one end of depression bar, the one end fixed mounting that the cooperation piece was kept away from to the depression bar has the briquetting.
Preferably, the outer ring of the matching seat is equidistantly provided with avoidance grooves matched with the grouting pipe, the gas pipe and the water injection pipe.
Preferably, one end of the anchor rod is provided with a groove, and the other end of the anchor rod is provided with a plug-in groove matched with the groove.
Preferably, a plurality of matching inserted rods are arranged at the same distance on the outer ring of one end of the anchor rod, and matching slots matched with the matching inserted rods are arranged at the same distance on the outer ring of the other end of the anchor rod.
The invention also provides a construction method of the bag type grouting expanded jet grouting anchor cable, which comprises the following steps:
1) Preparing a device, namely cleaning the end part of the anchor rod to be used (including the port connection part of a grouting pipe, a gas pipe and a water injection pipe), and then placing the anchor rod with a drill bit on equipment to start construction;
2) The device extends, and along with the continuation work of equipment, the output length of equipment needs to increase, and at this moment, the staff carries out quick connection with the stock on another stock and the equipment through coupling mechanism to carry out subsequent work.
Compared with the related art, the bag type grouting body expanding jet grouting anchor cable and the construction method thereof provided by the invention have the following beneficial effects:
1) The invention provides a bag type grouting expansion rotary spraying anchor cable and a construction method thereof, when two anchor rods are connected with each other, the anchor rods are provided with matching inserted rods and matching slots, so that the inserting stability and the matching degree between the two anchor rods can be increased, the use strength of the two anchor rods is increased during subsequent rotary work, and the work is better carried out;
2) The invention provides a bag type grouting expansion rotary spraying anchor cable and a construction method thereof.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a bag-type grouting expanded jet grouting anchor cable and a construction method thereof provided by the invention;
FIG. 2 is a schematic view of a portion of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the partial half section shown in FIG. 1;
fig. 4 is a partial structural view of the connection mechanism shown in fig. 1.
The reference numbers in the figures: 1. an anchor rod; 2. a drill bit; 3. a fixed block; 4. a grouting pipe; 5. a gas pipe; 6. a water injection pipe; 7. a connecting mechanism; 8. mounting a block; 9. a spring is pushed up; 10. a top block is arranged; 11. a clamping block; 12. a mating seat; 13. a card slot; 14. a pressure lever; 15. a matching block; 16. an auxiliary spring; 17. pressing into blocks; 18. matching with the inserted rod; 19. a mating slot; 20. and (3) performing capsule type grouting and body expanding.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
In the specific implementation in-process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, stock 1, a plurality of stock 1 is the linearity and arranges, one end wherein the one end fixed mounting of stock 1 has drill bit 2, and is a plurality of the equal fixed mounting in inside of stock 1 has a plurality of fixed block 3, and is a plurality of the inside of stock 1 all has slip casting pipe 4 through 3 fixed mounting of fixed block, one side of slip casting pipe 4 is equipped with gas pipe 5, and interconnect between gas pipe 5 and a plurality of fixed block 3, one side of gas pipe 5 is equipped with water injection pipe 6, and interconnect between 6 and a plurality of fixed block 3, the one end fixed mounting of stock 1 has coupling mechanism 7, and coupling mechanism 7's one end passes the one end of stock 1, coupling mechanism 7 includes: installation piece 8, installation piece 8 fixed mounting is in 3 one side central authorities of fixed block of 1 one end of stock, top spring 9 is installed to the inside bottom of installation piece 8, the inside top sliding connection of installation piece 8 has last kicking block 10, and cup joints each other between the bottom of going up kicking block 10 and last top spring 9, the top equidistance of going up kicking block 10 is rotated through the pivot and is connected with fixture block 11, the one end that the drill bit 2 was kept away from to stock 1 is installed bag formula slip casting and is expanded body 20.
It should be noted that: will need to use 1 tip of stock to clean including the port junction to slip casting pipe 4, gas pipe 5 and water injection pipe 6 earlier, afterwards, will have the stock 1 of drill bit 2 to place and begin to be under construction on equipment, along with the continuation work of equipment, the output length of equipment needs to increase, and at this moment, the staff carries out quick connection through coupling mechanism 7 with the stock 1 on another stock 1 and the equipment to carry out subsequent work.
In the specific implementation process, as shown in fig. 4, the plurality of the fixture blocks 11 are arranged at an included angle of 120 degrees, so that the two anchor rods 1 can be conveniently connected through the fixture blocks 11, and in addition, the stability of the device in use can be improved through the angle arrangement of the equal division type.
In the specific implementation process, as shown in fig. 2, the plugging ports are formed at one ends of the grouting pipe 4, the gas pipe 5 and the water injection pipe 6, and the matching ports matched with the plugging ports are formed at the other ends of the grouting pipe 4, the gas pipe 5 and the water injection pipe 6, so that the grouting pipe 4, the gas pipe 5 and the water injection pipe 6 on different anchor rods 1 can be better connected.
In a specific implementation, as shown in fig. 3 and 4, the connection mechanism 7 further includes:
It should be noted that: when two anchor rods 1 are connected, at the moment, the opposite ends of the two anchor rods 1 start to contact, at the moment, a clamping block 11 on one anchor rod 1 is clamped with a matching seat 12, in order to increase the clamping matching property between the clamping block 11 and the matching seat 12, when clamping is carried out, a worker presses a pressing rod 14, the pressing rod 14 extrudes an upper ejector block 10, the upper ejector block 10 moves towards the inside of an installation block 8 under the pressure action of the pressing rod 14, the upper ejector block 10 is rotatably connected with the clamping block 11, along with the movement of the upper ejector block 10, the clamping block 11 moves towards the inside of the installation block 8 along with the movement of the upper ejector block 10, then, the two anchor rods 1 are contacted with each other, then, the pressing rod 14 is loosened, the pressing rod 14 resets under the elastic action of an auxiliary spring 16, then, the upper ejector block 10 recovers to the initial position under the action of an upper ejector spring 9, and the clamping block 11 is clamped into a clamping groove 13 in the matching seat 12, so that the two anchor rods 1 are clamped quickly.
In the specific implementation process, as shown in fig. 3 and 4, the outer ring of the matching seat 12 is provided with equidistantly-spaced avoidance grooves matched with the grouting pipe 4, the gas pipe 5 and the water injection pipe 6, so that the mounting of the part structure on the connecting mechanism 7 is facilitated, and the mounting stability of the parts of the connecting mechanism 7 is improved.
In the specific implementation process, as shown in fig. 3, one end of the anchor rod 1 is provided with a groove, and the other end of the anchor rod 1 is provided with an insertion groove which is matched with the groove, so that the insertion matching degree between the two anchor rods 1 is increased, and the connection stability between the two anchor rods 1 is increased.
In the specific implementation process, as shown in fig. 1, a plurality of matching insertion rods 18 are equidistantly arranged on the outer ring of one end of the anchor rod 1, and matching insertion slots 19 matched with the matching insertion rods 18 are equidistantly arranged on the outer ring of the other end of the anchor rod 1.
It should be noted that: carry out the joint at two stock 1 and eat, cooperation inserted bar 18 and cooperation slot 19 mutually support this moment and be convenient for increase the connection stability between two stock 1, simultaneously, increased the grafting cooperation degree between two stock 1.
A construction method of a bag type grouting expanding rotary spraying anchor cable comprises the following steps:
1) Preparing a device, namely cleaning the end part of the anchor rod 1 to be used (including the port connection part of a grouting pipe 4, a gas pipe 5 and a water injection pipe 6), and then placing the anchor rod 1 with the drill bit 2 on equipment to start construction;
2) The device extends, and along with the continuation work of equipment, the output length of equipment needs to increase, and at this moment, the staff carries out quick connection through coupling mechanism 7 with anchor rod 1 on another anchor rod 1 and the equipment to carry out subsequent work.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A bag type grouting expanding rotary spraying anchor cable and a construction method thereof are characterized by comprising the following steps: stock (1), a plurality of stock (1) is the linearity and arranges, wherein one end the one end fixed mounting of stock (1) has drill bit (2), and is a plurality of the equal fixed mounting in inside of stock (1) has a plurality of fixed block (3), and is a plurality of the inside of stock (1) all has slip casting pipe (4) through fixed block (3) fixed mounting, one side of slip casting pipe (4) is equipped with gas pipe (5), and interconnect between gas pipe (5) and a plurality of fixed block (3), one side of gas pipe (5) is equipped with water injection pipe (6), and interconnect between water injection pipe (6) and a plurality of fixed block (3), the one end fixed mounting of stock (1) has coupling mechanism (7), and the one end of coupling mechanism (7) passes the one end of stock (1), coupling mechanism (7) includes: installation piece (8), installation piece (8) fixed mounting is in fixed block (3) one side central authorities of stock (1) one end, top spring (9) are installed to the inside bottom of installation piece (8), the inside top sliding connection of installation piece (8) has last kicking block (10), and cup joints each other between the bottom of going up kicking block (10) and last top spring (9), the top equidistance of going up kicking block (10) is rotated through the pivot and is connected with fixture block (11), the one end that drill bit (2) were kept away from in stock (1) is installed bag formula slip casting and is expanded body (20).
2. The capsule grouting expanding jet grouting anchor cable and the construction method thereof according to claim 1, wherein a plurality of the fixture blocks (11) are arranged at an included angle of 120 degrees.
3. The bag type grouting and expanding rotary spraying anchor cable and the construction method thereof according to claim 1, wherein one end of the grouting pipe (4), the gas pipe (5) and the water injection pipe (6) is provided with a socket, and the other end of the grouting pipe (4), the gas pipe (5) and the water injection pipe (6) is provided with a matching port which is matched with the socket.
4. The capsule type grouting body-expanding jet grouting anchor cable and the construction method thereof according to claim 1, wherein the connecting mechanism (7) further comprises:
cooperation seat (12), cooperation seat (12) fixed mounting is in one side of fixed block (3), the inner circle equidistance of cooperation seat (12) seted up with draw-in groove (13) of mutually supporting between fixture block (11), fixed block (3) inside sliding connection of stock (1) has depression bar (14), the one end fixed mounting of depression bar (14) has cooperation piece (15), auxiliary spring (16) have been cup jointed to the one end of depression bar (14), the one end fixed mounting that cooperation piece (15) were kept away from in depression bar (14) has briquetting (17).
5. The bag type grouting and expanding rotary spraying anchor cable and the construction method thereof according to claim 4, wherein avoidance grooves matched with the grouting pipe (4), the gas pipe (5) and the water injection pipe (6) are formed in the outer ring of the matching seat (12) at equal intervals.
6. The capsule grouting expansion jet grouting anchor cable and the construction method thereof according to claim 1, wherein one end of the anchor rod (1) is provided with a groove, and the other end of the anchor rod (1) is provided with a splicing groove which is matched with the groove.
7. The capsule grouting expansion jet grouting anchor cable and the construction method thereof according to claim 1, wherein a plurality of matching insertion rods (18) are equidistantly arranged on the outer ring of one end of the anchor rod (1), and matching insertion slots (19) which are matched with the matching insertion rods (18) are equidistantly arranged on the outer ring of the other end of the anchor rod (1).
8. The construction method of the bladder type grouting expanding rotary spraying anchor cable according to any one of claims 1 to 7, characterized by comprising the following steps:
1) The method comprises the steps of preparing a device, cleaning the end part of an anchor rod (1) to be used (including the port connection part of a grouting pipe (4), a gas pipe (5) and a water injection pipe (6)), and then placing the anchor rod (1) with a drill bit (2) on equipment to start construction;
2) The device extends, and along with the continuation work of equipment, the output end length of equipment needs to increase, and at this moment, the staff carries out quick connection through coupling mechanism (7) with stock (1) on another stock (1) and the equipment to carry out subsequent work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211138970.9A CN115387336B (en) | 2022-09-19 | 2022-09-19 | Bag type grouting expansion rotary spraying anchor cable and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211138970.9A CN115387336B (en) | 2022-09-19 | 2022-09-19 | Bag type grouting expansion rotary spraying anchor cable and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115387336A true CN115387336A (en) | 2022-11-25 |
| CN115387336B CN115387336B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211138970.9A Active CN115387336B (en) | 2022-09-19 | 2022-09-19 | Bag type grouting expansion rotary spraying anchor cable and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN115387336B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202881943U (en) * | 2012-11-07 | 2013-04-17 | 郭财宝 | Transmission connector and connection structure of grouting core pipe and anchor rod |
| CN105501396A (en) * | 2015-12-18 | 2016-04-20 | 新疆金风科技股份有限公司 | Negative pressure bucket anchoring device provided with barbs, installation method and floating type offshore wind plant |
| CN105863695A (en) * | 2016-05-03 | 2016-08-17 | 许国安 | Sectional and modular combined anchor rod capable of resisting large deformation and impact and assembling method of combined anchor rod |
| CN106089273A (en) * | 2016-08-19 | 2016-11-09 | 湖南科技大学 | A kind of rupture the multiple spot of roadway support by pressure grouting anchor pole for deep subregion |
| CN106499123A (en) * | 2016-11-29 | 2017-03-15 | 中冶建筑研究总院有限公司 | A kind of attachment means of the multiple material muscle of fiber |
| CN109440832A (en) * | 2018-11-27 | 2019-03-08 | 福建卓越建设工程开发有限公司 | Anchor cable can be recycled pressure dispersing type pouch and expand body anti-floating pile and construction method |
| CN212960346U (en) * | 2020-07-29 | 2021-04-13 | 赵长树 | Water pipe connecting device capable of replacing filter layer |
| CN113152794A (en) * | 2021-03-26 | 2021-07-23 | 青岛理工大学 | Connecting device and method for metal reinforcement and non-metal reinforcement |
| CN216344501U (en) * | 2021-11-22 | 2022-04-19 | 青岛润宇海工船舶机械有限公司 | Electromagnetic quick connecting flange for ship |
| US20220163152A1 (en) * | 2020-11-24 | 2022-05-26 | Tatsuno Corporation | Pipe joint |
-
2022
- 2022-09-19 CN CN202211138970.9A patent/CN115387336B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202881943U (en) * | 2012-11-07 | 2013-04-17 | 郭财宝 | Transmission connector and connection structure of grouting core pipe and anchor rod |
| CN105501396A (en) * | 2015-12-18 | 2016-04-20 | 新疆金风科技股份有限公司 | Negative pressure bucket anchoring device provided with barbs, installation method and floating type offshore wind plant |
| CN105863695A (en) * | 2016-05-03 | 2016-08-17 | 许国安 | Sectional and modular combined anchor rod capable of resisting large deformation and impact and assembling method of combined anchor rod |
| CN106089273A (en) * | 2016-08-19 | 2016-11-09 | 湖南科技大学 | A kind of rupture the multiple spot of roadway support by pressure grouting anchor pole for deep subregion |
| CN106499123A (en) * | 2016-11-29 | 2017-03-15 | 中冶建筑研究总院有限公司 | A kind of attachment means of the multiple material muscle of fiber |
| CN109440832A (en) * | 2018-11-27 | 2019-03-08 | 福建卓越建设工程开发有限公司 | Anchor cable can be recycled pressure dispersing type pouch and expand body anti-floating pile and construction method |
| CN212960346U (en) * | 2020-07-29 | 2021-04-13 | 赵长树 | Water pipe connecting device capable of replacing filter layer |
| US20220163152A1 (en) * | 2020-11-24 | 2022-05-26 | Tatsuno Corporation | Pipe joint |
| CN113152794A (en) * | 2021-03-26 | 2021-07-23 | 青岛理工大学 | Connecting device and method for metal reinforcement and non-metal reinforcement |
| CN216344501U (en) * | 2021-11-22 | 2022-04-19 | 青岛润宇海工船舶机械有限公司 | Electromagnetic quick connecting flange for ship |
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| Publication number | Publication date |
|---|---|
| CN115387336B (en) | 2024-03-26 |
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