CN110656965A - Length-adjustable anchor-increasing grouting anchor rod device - Google Patents
Length-adjustable anchor-increasing grouting anchor rod device Download PDFInfo
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- CN110656965A CN110656965A CN201911056371.0A CN201911056371A CN110656965A CN 110656965 A CN110656965 A CN 110656965A CN 201911056371 A CN201911056371 A CN 201911056371A CN 110656965 A CN110656965 A CN 110656965A
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- grouting
- anchor
- grouting anchor
- length
- anchor rod
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- 238000007569 slipcasting Methods 0.000 claims description 25
- 239000011440 grout Substances 0.000 claims description 14
- 230000003190 augmentative effect Effects 0.000 claims 4
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000935974 Paralichthys dentatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
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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
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an anchor-increasing grouting anchor rod device with adjustable length, which is characterized in that a plurality of two grouting anchor rods are connected by adopting a hollow connecting piece, a plurality of grouting anchor rods can be selected for assembly according to the requirement of specific grouting depth, the whole length of the device can be adjusted, meanwhile, tail anchor heads are arranged at the end parts of the first section of grouting anchor rods and can be detachably connected by screw threads, the installation is convenient, after a drilled hole collapses, only a proper number of grouting anchor rods are required to be connected according to the depth of the drilled hole after the collapse, the problem that the redundant anchor rods need to be sawn off due to the change of the drilling depth of the existing anchor rods with fixed length is solved, the utilization rate of the anchor rods is improved, and the material.
Description
Technical Field
The invention relates to the field of grouting anchor rods, in particular to an anchor-increasing grouting anchor rod device with adjustable length.
Background
The grouting anchor rod is a new product developed according to the actual needs of tunnel engineering, slope treatment engineering, coal mine tunnel engineering and the like in China. The anchor rod body of the grouting anchor rod adopts a hollow design, and the middle hole of the rod body is used as a drilling high-pressure air-water channel and a grouting channel. In recent years, the anchor rod grouting reinforcement technology is widely applied to geotechnical engineering such as mines and tunnels with broken surrounding rocks, the support effect is good, and the economic benefit is obvious. In the process of underground engineering, mine roadways, foundation pits and slope engineering related to geotechnical engineering, in order to prevent stratum deformation collapse or instability from endangering safety, the anchor rod becomes the most widely applied support mode. In the work progress, because the influence of factors such as special geological condition, construction equipment, staff improper operation often arouse phenomenons such as hole collapse, country rock deformation, hinder the installation of stock, cause the stock card dead at the in-process that does not reach fixed anchor length easily, finally have to saw unnecessary body of rod, and then influence the anchor effect, also wasted a large amount of stock materials simultaneously.
At present, Chinese patent with application number CN201821542500.8 discloses a novel anchor-increasing grouting anchor rod, which consists of a grouting system, an anchor-increasing system and a fastening system; the grouting system consists of a sealing cover, an exhaust hole, a grouting hole, a blocking plug and a grout overflow hole, and all the parts work cooperatively to ensure that grout is full and tightly bonded; the anchor increasing system consists of an anchoring hole, a steel strand, a high-strength spring, an anchor claw, a rotating shaft and a steel strand clamp, and can provide initial anchoring force for the anchor rod; the fastening system consists of an anchor rod body, a grout stopping pad, a tray, a washer and a high-strength nut, and can provide prestress for the grouting anchor rod after grout is solidified to control deformation of surrounding rocks. The utility model adopts the rotation design of the anchor fluke, is tightly attached to the surrounding rock, provides enough anchoring force, prevents the anchor from returning, and is provided with the exhaust hole to ensure the grouting effect; the grouting anchor rod overcomes the application defect of the existing grouting anchor rod, and has the advantages of anchor withdrawal prevention, strong adaptability, good grouting effect and the like. However, when the device is used for grouting the anchor rod, the length of the anchor rod cannot be adjusted according to specific requirements, and the device is inconvenient to use. Based on the structure, the invention designs the novel anchor-increasing grouting anchor rod with adjustable length.
Disclosure of Invention
Aiming at the problem that the length of an anchor rod is fixed and cannot be adjusted according to specific requirements in the prior art, the invention provides the novel anchor-increasing grouting anchor rod with the adjustable length, so that the length of the anchor rod can be controlled, and the convenience in use is improved.
The invention is realized by the following technical scheme:
an anchor-increasing grouting anchor rod device with adjustable length comprises a tail anchor head, a pad disc and a plurality of grouting anchor rods with hollow structures;
the grouting anchor rods with the hollow structures are connected end to end, the tail anchor head is arranged at the end part of the first section of grouting anchor rod, and the pad disc is sleeved at the end part of the last section of grouting anchor rod;
two adjacent slip casting stock adopt hollow threaded connection spare to connect, are provided with the external screw thread on the threaded connection spare, and the both ends of slip casting stock hole are provided with the internal thread, and the tip of two adjacent slip casting stock is connected with threaded connection spare through the screw thread respectively.
Preferably, the grouting anchor rod comprises a main grouting anchor rod and a plurality of auxiliary hollow grouting anchor rods;
a plurality of auxiliary hollow grouting anchor rods are connected end to end, one end of the main grouting anchor rod is connected with the tail anchor head, and the other end of the main grouting anchor rod is connected with one end of the first-section auxiliary hollow grouting anchor rod.
Preferably, the end part of one end of the grouting anchor rod is provided with a built-in annular slot, and the end part of the other end of the grouting anchor rod is provided with an annular insert ring;
when two adjacent grouting anchor rods are connected, the annular inserting ring of one grouting anchor rod is assembled in the annular inserting groove of the other grouting anchor rod.
Preferably, the depth of the annular slot is more than one third of the length of the end thread of the grouting anchor rod.
Preferably, the total length of the threads at the two ends of the grouting bolt is greater than the length of the threaded connecting piece.
Preferably, the tail anchor head comprises a connecting cylinder and a conical head arranged at the end part of the connecting cylinder, an auxiliary grout outlet is formed in the center of the conical head, a plurality of triangular pointed plates are circumferentially arranged on the side wall of the conical head, and the connecting cylinder is connected with the end part of the grouting anchor rod.
Preferably, the end parts of the triangular pointed plates are positioned on the same diameter, and the diameter is the same as the outer diameter of the grouting anchor rod.
Preferably, a grout outlet and a screw rod are arranged on the side part of the grouting anchor rod.
Preferably, the end part of the last grouting anchor rod is sleeved with the pad disc through threads; and a plurality of fixing cones are further arranged on the end surface of the pad disc close to one side of the tail anchor head, and the fixing cones are inserted into the grouting body to fix the grouting anchor rod.
Preferably, a plurality of fixing screw holes are uniformly distributed on the periphery of the pad disc, a fixing screw rod is assembled in each fixing screw hole, and the fixing cone is arranged at the end part of each fixing screw rod.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the length-adjustable anchor-increasing grouting anchor rod device, a plurality of two grouting anchor rods are connected through a hollow connecting piece, a plurality of grouting anchor rods can be selected to be assembled according to the specific grouting depth requirement, the overall length of the device can be adjusted, meanwhile, tail anchor heads are installed at the end portions of the first grouting anchor rod and can be detachably connected through threads, installation is facilitated, after a drilled hole collapses, only a proper number of grouting anchor rods need to be connected according to the depth of the drilled hole after the drilled hole collapses, the problem that the excessive anchor rods need to be sawn off due to the change of the drilling depth of the existing fixed-length anchor rods is solved, the utilization rate of the anchor rods is improved, and material waste is reduced.
Furthermore, the end of the grouting anchor rod is provided with an annular slot, so that the adjacent grouting anchor rods are axially positioned.
Furthermore, the length of the threaded connecting piece is smaller than the total length of the threads at the two ends of the grouting anchor rod, so that the threaded connecting piece is completely positioned in the two adjacent grouting anchor rods, and the connection stability is ensured.
Further, set up hob and triangle pointed plate on post slip casting stock, utilize triangle pointed plate and hob to improve the stability that the whole device deepened in the drilling.
Further, utilize the cooperation of clamping screw and fixed screw, place the completion back at the device equipment, fix the stock through fixed awl, further strengthen device fixed strength in drilling.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the main hollow grouting anchor rod structure of the present invention;
FIG. 3 is a schematic view of the construction of the secondary hollow grouting anchor rod of the present invention;
FIG. 4 is a schematic view of the hollow threaded connection of the present invention;
FIG. 5 is a schematic view of a tail anchor head configuration of the present invention;
FIG. 6 is a schematic view of the structure of the air pallet of the present invention;
FIG. 7 is a schematic cross-sectional view of the hollow saucer of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-main grouting anchor rod, 2-auxiliary grouting anchor rod, 3-tail anchor head, 4-pad, 5-grout outlet, 6-first external thread, 7-first internal thread, 8-annular slot, 9-annular inserting plate, 10-second internal thread, 11-threaded connecting piece, 12-connecting barrel, 13-conical head, 14-third internal thread, 15-triangular sharp plate, 16-connecting barrel, 17-thread, 18-screw rod and 19-auxiliary grout outlet; 20-fixing screw holes, 21-fixing screw rods, 22-fixing nuts and 23-fixing cones.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
Referring to fig. 1-7, an anchor-increasing grouting anchor rod device with adjustable length comprises a tail anchor head 3, a pad 4 and a plurality of grouting anchor rods with hollow structures.
A plurality of hollow grouting anchor rods are connected end to end, a tail anchor head 3 is arranged at the end of the first section of grouting anchor rod, and a pad disc 4 is sleeved at the end of the last section of grouting anchor rod.
The slip casting stock includes main slip casting stock 1 and a plurality of vice slip casting stock 2, and a plurality of vice slip casting stock 2 end to end connection, tail anchor head 3 set up the tip at main slip casting stock 1, and saucer 4 sets up the tip at terminal vice slip casting stock 2.
Two adjacent slip casting stock adopt threaded connection spare 11 to connect, and threaded connection spare 11 is hollow structure, is provided with the external screw thread on the threaded connection spare 11, and the both ends of slip casting stock hole are provided with the internal thread, and the tip of two adjacent slip casting stock is connected with threaded connection spare 11 through the screw thread respectively.
The equal interval in main slip casting stock 1 lateral wall center evenly is provided with out thick liquid hole 5, and first external screw thread 6 has been seted up to main cavity slip casting stock 1 lateral wall tip, and first internal thread 7 has been seted up to main cavity slip casting stock 1 lateral wall other end inner chamber, and annular slot 8 has been seted up at the tip edge at first internal thread 7 place to main cavity slip casting stock 1.
The tail anchor head 3 comprises a connecting cylinder 12 and a conical head 13 arranged at the end part of the connecting cylinder, the center of the conical head 13 is provided with an auxiliary grout outlet 19, and the side wall of the conical head 13 is fixedly connected with a triangular pointed plate 15; the other end of the connecting cylinder 12 is provided with a third internal thread 14 matched with the first external thread 6, the length of the third internal thread 14 is equal to that of the first external thread 6, four groups of triangular tip plates 15 are arranged at the center of the side wall of the conical head 13 at equal intervals, and the tips of the triangular tip plates 15 and the side wall of the connecting cylinder 12 are positioned on the same horizontal plane.
The same equidistant grout outlet 5 that evenly is provided with in vice cavity slip casting stock 2 lateral wall center all is provided with second internal thread 10 in the hole at vice cavity slip casting stock 2 both ends, and the tip of the one end of vice cavity slip casting stock 2 still is provided with built-in platform annular slot 8 that inlays, is provided with annular insert ring 9 on the outside of its other end.
Two adjacent pairs of hollow grouting bolts 2 are connected by a hollow threaded connector 11, and the annular insert ring 9 of one pair of hollow grouting bolts 2 can be fitted into the annular insert groove 8 of the adjacent pair of hollow grouting bolts 2.
The depth of the annular slot 8 is equal to or more than one third of the length of the first internal thread 7, the length of the annular insert ring 9 is equal to the depth of the annular slot 8, and the side wall of the annular insert plate 9 and the inner wall of the annular slot 8 are smooth surfaces, so that the annular insert plate 9 can rotate in the annular slot 8.
The first internal thread 7 of the main hollow grouting anchor rod 1 and the second internal thread 10 of the auxiliary hollow grouting anchor rod 2 are the same in length, and the length of the hollow threaded connecting piece 11 is equal to the sum of the lengths of the first internal thread 7 and the second internal thread 10, so that the hollow threaded connecting piece 11 is completely arranged in the device.
The side walls of the main hollow grouting anchor rod 1 and the auxiliary hollow grouting anchor rod 2 are fixedly connected with a screw rod 18, and the side wall of the screw rod 18 is provided with an anchor protrusion.
One end of the hollow pad 4 is fixedly provided with a connecting cylinder 16, and the inside of the connecting cylinder 16 is provided with a thread 17 matched with the hollow threaded connecting piece 11. Fixed screw 20 has been seted up at the rim of the surface of saucer 4, and the inside threaded connection of fixed screw 20 has clamping screw 21, and clamping screw 21 tip and the 4 lateral surface junctures of cavity saucer are provided with fixation nut 22, and clamping screw 22 bottom center is provided with fixed awl 23.
The fixing screw holes 20 are uniformly arranged on the central circular line of an annular area formed by the outer edge of the hollow cushion disc 4 and the outer edge of the connecting cylinder 16 at equal intervals, the length of the fixing screw 21 is greater than the depth of the fixing screw holes 20, and the maximum diameter of the fixing cone 23 is smaller than the diameter of the fixing screw 21.
The length of the connecting cylinder 16 is equal to half the length of the hollow threaded connecting piece 11 and the length of the thread 17 is equal to the length of the connecting cylinder 16.
Through setting up fixed screw, clamping screw, fixation nut and fixed awl, utilize the cooperation of clamping screw and fixed screw, place the completion back at the device equipment, insert the slip casting body with fixed awl and fix the slip casting stock, further strengthen device fixed strength in drilling.
The invention provides a method for installing an anchor-increasing grouting anchor rod with adjustable length, which comprises the following steps:
firstly, the tail anchor head 3 is connected with the first external thread 6 of the main hollow grouting anchor rod 1 through the third internal thread 14, so that the tail anchor head 3 is installed at the end part of the hollow grouting anchor rod 1.
Then, according to the length of a specific drilled hole, selecting a proper number of auxiliary hollow grouting anchor rods 2, connecting the two auxiliary hollow grouting anchor rods 2 through a threaded connecting piece 11, enabling an annular inserting ring 9 of one auxiliary hollow grouting anchor rod 2 to be assembled into an annular inserting groove 8 of the other auxiliary hollow grouting anchor rod 2, and sequentially connecting all the auxiliary hollow grouting anchor rods 2 end to end by adopting the method to form an auxiliary hollow grouting anchor rod group.
Secondly, the hollow pad 4 is connected with the tail end of the last secondary hollow grouting anchor rod 2 through a hollow thread connecting piece 11.
And finally, connecting the main hollow grouting anchor rod 1 with the first-section auxiliary hollow grouting anchor rod 2 through the threaded connecting piece 11 to complete the installation of the anchor grouting anchor rod, placing the anchor grouting anchor rod into a prepared drill hole, improving the stability of the device in the drill hole due to the existence of the spiral rod 18 and the triangular pointed plate 15, grouting by externally connecting grouting equipment, and enabling slurry to flow out through the slurry outlet hole 5.
The invention discloses a novel anchor-increasing grouting anchor rod with adjustable length in the field of grouting anchor rods, wherein a hollow threaded connecting piece is matched with a first internal thread and a second internal thread, so that a main hollow grouting anchor rod and an auxiliary hollow grouting anchor rod can be conveniently assembled in a threaded manner, a plurality of auxiliary hollow grouting anchor rods can be selected for assembly according to the requirement of specific grouting depth, the integral length of a device can be adjusted, and meanwhile, the tail anchor heads are detachably connected in a threaded manner by utilizing the matching of the first thread and the second thread, so that the installation is convenient; through setting up hob and triangle pointed plate, utilize triangle pointed plate and hob to improve the stability that the whole body of device gos deep into in the drilling. And grouting is carried out by externally connecting grouting equipment at the end part of the last grouting anchor rod, and the grout flows out through the grout outlet hole 5.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. An anchor-increasing grouting anchor rod device with adjustable length is characterized by comprising a tail anchor head (3), a pad (4) and a plurality of grouting anchor rods with hollow structures;
a plurality of grouting anchor rods with hollow structures are connected end to end, tail anchor heads (3) are arranged at the end parts of the first section of grouting anchor rods, and a pad disc (4) is sleeved at the end part of the last section of grouting anchor rods;
two adjacent slip casting stock adopt hollow threaded connection spare (11) to connect, are provided with the external screw thread on threaded connection spare (11), and the both ends of slip casting stock hole are provided with the internal thread, and the tip of two adjacent slip casting stock is connected with threaded connection spare (11) through the screw thread respectively.
2. An augmented anchor grouting bolt device with adjustable length according to claim 1, characterized in that the grouting bolt comprises a main grouting bolt (1) and a plurality of auxiliary hollow grouting bolts (2);
a plurality of auxiliary hollow grouting anchor rods (2) are connected end to end, one end of a main grouting anchor rod (1) is connected with a tail anchor head (3), and the other end of the main grouting anchor rod (1) is connected with one end of the auxiliary hollow grouting anchor rod (2) at the head section.
3. An anchor-increasing grouting anchor rod device with adjustable length as claimed in claim 1, characterized in that the end of one end of the grouting anchor rod is provided with a built-in annular slot (8), and the end of the other end of the grouting anchor rod is provided with an annular insert ring (9);
when two adjacent grouting anchor rods are connected, the annular insert ring (9) of one grouting anchor rod is assembled in the annular insert groove (8) of the other grouting anchor rod.
4. A length adjustable augmented anchor grouting bolt device according to claim 3, characterized in that the depth of the annular slot (8) is more than one third of the length of the end thread of the grouting bolt.
5. A length adjustable augmented anchor grouting bolt device according to claim 1, characterized in that the total length of the threads at both ends of the grouting bolt is greater than the length of the threaded connecting piece (11).
6. An anchor-increasing grouting anchor rod device with adjustable length as claimed in claim 1, wherein the tail anchor head (3) comprises a connecting cylinder (12) and a conical head (13) arranged at the end part of the connecting cylinder, an auxiliary grout outlet (19) is arranged at the center of the conical head (13), a plurality of triangular pointed plates (15) are circumferentially arranged on the side wall of the conical head (13), and the connecting cylinder (12) is connected with the end part of the grouting anchor rod.
7. An anchor-adding grouting anchor device with adjustable length as claimed in claim 6, characterized in that the ends of the triangular tip plates (15) are on the same diameter, and the diameter is the same as the outer diameter of the grouting anchor.
8. A length adjustable augmented anchor grouting bolt device according to claim 1, characterized in that the grouting bolt is provided with a grout hole (5) and a screw rod (18) on its side.
9. An anchor-adding grouting anchor device with adjustable length as claimed in claim 1, characterized in that the pad (4) is sleeved on the end of the last grouting anchor through screw thread; and a plurality of fixed cones (23) are further arranged on the end surface of one side, close to the tail anchor head (3), of the pad disc (4), and the fixed cones are inserted into the grouting body to fix the grouting anchor rod.
10. An anchor-increasing grouting anchor device with adjustable length according to claim 9, characterized in that a plurality of fixing screw holes (20) are uniformly distributed on the circumference of the pad disc (4), each fixing screw hole (20) is provided with a fixing screw rod (21), and a fixing cone (23) is arranged at the end of the fixing screw rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056371.0A CN110656965A (en) | 2019-10-31 | 2019-10-31 | Length-adjustable anchor-increasing grouting anchor rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056371.0A CN110656965A (en) | 2019-10-31 | 2019-10-31 | Length-adjustable anchor-increasing grouting anchor rod device |
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| Publication Number | Publication Date |
|---|---|
| CN110656965A true CN110656965A (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911056371.0A Pending CN110656965A (en) | 2019-10-31 | 2019-10-31 | Length-adjustable anchor-increasing grouting anchor rod device |
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| CN (1) | CN110656965A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156034A (en) * | 2020-02-24 | 2020-05-15 | 山东大学 | Pre-embedded grouting unit and soft stratum settlement control system and method |
| CN111173548A (en) * | 2020-01-20 | 2020-05-19 | 黑龙江工业学院 | Elastic spiral anchoring type roadway supporting method |
| CN112343638A (en) * | 2020-12-04 | 2021-02-09 | 东华理工大学 | But slip casting area wing section location stock |
| CN114151117A (en) * | 2021-11-15 | 2022-03-08 | 中国建筑股份有限公司 | Anchor rod assembly |
| CN114352333A (en) * | 2022-01-24 | 2022-04-15 | 中国十七冶集团有限公司 | Expansion type anchor head, telescopic spiral grouting anchor rod and construction method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649845Y (en) * | 2003-11-05 | 2004-10-20 | 郑日祥 | Pipe joint structure |
| CN201835847U (en) * | 2010-10-25 | 2011-05-18 | 中国矿业大学(北京) | Ultralong anchor rod |
| CN202531570U (en) * | 2012-05-14 | 2012-11-14 | 李存奎 | Pipe connecting piece |
| CN202851026U (en) * | 2012-06-04 | 2013-04-03 | 葫芦岛工大迪安科技有限公司 | Laneway side supporting anchor rod |
| CN203230445U (en) * | 2013-05-15 | 2013-10-09 | 安徽理工大学 | Length-changeable self-boring type grouting anchor rod |
| CN105715287A (en) * | 2016-03-23 | 2016-06-29 | 徐州立方机电设备制造有限公司 | Combined self feeding type grouting anchor rod |
| CN206112316U (en) * | 2016-10-07 | 2017-04-19 | 天津浩康科技发展有限公司 | Tubular product of nai highly pressurised liquid |
| CN206268650U (en) * | 2016-10-26 | 2017-06-20 | 劲牛管业科技有限公司 | Interchangeable pipe joint |
| CN206448830U (en) * | 2017-02-14 | 2017-08-29 | 中交二公局东萌工程有限公司 | A kind of self-advancing type Hollow non-metallic screw thread reinforced resin anchor pole |
| CN206815348U (en) * | 2017-06-03 | 2017-12-29 | 孙强 | A kind of civil engineering side slope protection grouted anchor bar |
| CN207934048U (en) * | 2018-01-31 | 2018-10-02 | 安康学院 | A kind of civil engineering side slope protection grouted anchor bar |
| CN108979692A (en) * | 2018-09-20 | 2018-12-11 | 山东科技大学 | A kind of novel increasing anchor grouted anchor bar and its construction method |
| CN208633856U (en) * | 2018-06-22 | 2019-03-22 | 吉林省送变电工程有限公司 | A kind of power transmission sequence base expanding and base expanding anchor pole |
| CN109798142A (en) * | 2019-03-25 | 2019-05-24 | 中铁第四勘察设计院集团有限公司 | It is a kind of with allowing the mountable long anchor pole of pressure function |
| CN209339986U (en) * | 2018-11-13 | 2019-09-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of anchor pole for slip casting |
-
2019
- 2019-10-31 CN CN201911056371.0A patent/CN110656965A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649845Y (en) * | 2003-11-05 | 2004-10-20 | 郑日祥 | Pipe joint structure |
| CN201835847U (en) * | 2010-10-25 | 2011-05-18 | 中国矿业大学(北京) | Ultralong anchor rod |
| CN202531570U (en) * | 2012-05-14 | 2012-11-14 | 李存奎 | Pipe connecting piece |
| CN202851026U (en) * | 2012-06-04 | 2013-04-03 | 葫芦岛工大迪安科技有限公司 | Laneway side supporting anchor rod |
| CN203230445U (en) * | 2013-05-15 | 2013-10-09 | 安徽理工大学 | Length-changeable self-boring type grouting anchor rod |
| CN105715287A (en) * | 2016-03-23 | 2016-06-29 | 徐州立方机电设备制造有限公司 | Combined self feeding type grouting anchor rod |
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Application publication date: 20200107 |