CN216713016U - High-pressure jet grouting reaming anchor cable structure - Google Patents
High-pressure jet grouting reaming anchor cable structure Download PDFInfo
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- CN216713016U CN216713016U CN202122992240.2U CN202122992240U CN216713016U CN 216713016 U CN216713016 U CN 216713016U CN 202122992240 U CN202122992240 U CN 202122992240U CN 216713016 U CN216713016 U CN 216713016U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 12
- 239000011435 rock Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a high-pressure jet grouting reaming anchor cable structure, which relates to the technical field of building construction and comprises the following components: the bearing plate of loop bar is located to loop bar and fixed cover, and the loop bar internalization interlude has the drill pipe, and the drill pipe internalization interlude has the drainage tube, and outside the drainage tube top extended to the loop bar top, and the drill pipe bottom extended to the loop bar bottom external fixation and be equipped with the drill bit that spouts soon, spout the drill bit on soon and be equipped with the frustum blade, be equipped with the guide way on the frustum blade, spout the drill bit soon and be located frustum blade bottom and be equipped with the orifice. Has the advantages that: through assembling the anchor rope steel strand wires between the clamping piece of frustum with the laminating of first barb screw thread, ensured the centre gripping effect to the anchor rope steel strand wires, the frustum that will assemble sets up to agree with in toper draw-in groove and second barb screw thread, realizes comparatively stable centre gripping effect for this anchor rope steel strand wires has the locking function under the low stress, has good anchor rope steel strand wires fail safe nature and construction convenience nature.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a high-pressure jet grouting reaming anchor cable structure.
Background
The anchor cable is characterized in that when the main cable is anchored in a side hole in a suspension bridge, the main cable is divided into a plurality of steel bundles which are respectively anchored in an anchor ingot, and the steel bundles are called as the anchor cables. The anchor cable is a prestressed steel strand which is fixed on the slope surface through the outer end and passes through the sliding surface of the side slope in a stable rock body with the other end anchored in the sliding surface, so that the anti-sliding resistance is directly generated on the sliding surface, the anti-sliding friction resistance is increased, the structural surface is in a compact state, and the integrity of the rock body of the side slope is improved, thereby fundamentally improving the mechanical property of the rock body, effectively controlling the displacement of the rock body, promoting the stability of the rock body, and achieving the purpose of renovating bedding, sliding slopes, dangerous rocks and dangerous rocks.
At present, in pile anchor foundation pit support of a soft soil foundation, due to the problems of pore-forming and diameter-reducing and easy hole collapse in a soft soil area, a high-pressure jet grouting process is generally adopted for construction, and the high-pressure jet grouting enlarged head anchor cable process comprises the steps of hole guiding, prestressed anchor cable manufacturing, prestressed anchor cable installation and grouting jet grouting enlarged head. The high-pressure rotary spraying process has the advantages of high reliability, small discreteness, stable quality, high pulling resistance, good safety and the like, particularly, the high pressure of high-pressure rotary spraying grouting is utilized, the diffusion and penetration capacity of slurry is high, the bonding strength of an anchoring body and a soil body is improved, at present, a hole is drilled firstly, then the anchor rope is pushed to a corresponding depth, then a high-pressure rotary spraying grouting head is arranged in the center of the anchor rope body to perform rotary spraying, and the anchoring body with a large diameter and controllability is formed through the rotary spraying speed, so that the efficiency is low; in addition, in the reaming and grouting process in a soft soil area, the problems that the anchor cable is difficult to fix due to the fact that the steel strand easily rotates along with the drill rod, slurry is difficult to uniformly spray, and once the drill bit meets an obstacle during high-pressure rotation, the drill bit easily falls off and the like exist, and the fixing stability of the steel strand is poor are also existed.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model aims to provide a high-pressure rotary-spraying chambering anchor cable structure, which ensures the clamping effect of an anchor cable steel strand by assembling the anchor cable steel strand between clamping pieces of a frustum and fitting with a first barb thread, realizes a stable clamping effect by arranging the assembled frustum in a conical clamping groove to be matched with a second barb thread, ensures that the anchor cable steel strand has the function of preventing looseness under low stress, has good fixing reliability and construction convenience of the anchor cable steel strand, and overcomes the technical problems in the prior related art.
The technical scheme of the utility model is realized as follows:
a high pressure jet grouting reaming anchor cable structure comprises: the sleeve rod and the fixed sleeve are arranged on a bearing plate of the sleeve rod, a drill pipe is movably inserted in the sleeve rod, a drainage pipe is movably inserted in the drill pipe, the top end of the drainage pipe extends out of the top end of the sleeve rod, the bottom end of the drill pipe extends out of the bottom end of the sleeve rod and is fixedly provided with a rotary jet drill bit, a frustum blade is fixedly sleeved on the rotary jet drill bit, a guide groove is formed in the frustum blade, the rotary jet drill bit is positioned at the bottom end of the frustum blade and is provided with a jet hole, a grouting channel is formed by communicating the drainage pipe with the drill pipe, and the grouting channel is communicated with the jet hole;
the bearing plate both sides are equipped with the toper draw-in groove respectively, be equipped with the second barb screw thread in the toper draw-in groove, just be equipped with the frustum in the toper draw-in groove, the frustum includes the clamping piece of two sets of mutual adaptations, the clamping piece is close to the first barb screw thread that one side was equipped with mutual adaptation respectively, be equipped with the anchor rope steel strand wires between the clamping piece.
Furthermore, the clamping pieces are of fan-shaped structures, and gaps are reserved between the two groups of clamping pieces.
Furthermore, the frustum is also provided with a clamp spring in a sleeved mode, and the clamp pieces are located between the clamp springs.
Furthermore, the drill pipe is of a T-shaped structure, and a bearing is arranged between the drill pipe and the sleeve rod.
Furthermore, the diameter of the drill pipe is larger than that of the drainage pipe, and a sealing ring is arranged between the drainage pipe and the drill pipe.
Furthermore, the guide groove is obliquely arranged along the rotating direction of the jet grouting drill bit.
Furthermore, the spray holes are in a plurality of groups, and the spray holes in the plurality of groups are spirally arranged along the rotation direction of the rotary spray drill bit.
The utility model has the beneficial effects that:
according to the utility model, the sleeve rod is connected with the drainage tube and the drill pipe, under the action of the rotary jet drill bit and the frustum blade, the anchor cable steel strand on the bearing plate can be conveniently pushed to the operation depth, and the rotary jet drill bit and the frustum blade are used for rotary grouting to form the anchor cable expansion head with the required diameter, so that the anchor cable expansion head has the advantages of uniform grouting and easiness in fixing the anchor cable, the operations of forming holes, placing the anchor cable and expanding the hole by rotary jet grouting can be completed at one time, and the guide groove can improve the construction efficiency;
in addition, through assembling the anchor rope steel strand wires between the clamping pieces of the frustum and fitting with the first barb threads, the clamping effect on the anchor rope steel strand wires is guaranteed, the assembled frustum is arranged in the conical clamping groove and matched with the second barb threads, and the stable clamping effect is achieved, so that the anchor rope steel strand wires have the function of preventing looseness under low stress, and the anchor rope steel strand wires have good fixing reliability and construction convenience.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-pressure jet grouting reaming anchor cable structure according to an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view of a sleeve rod of a high-pressure jet grouting reaming anchor cable structure according to an embodiment of the utility model;
fig. 3 is a schematic view of a tapered slot of a high-pressure jet grouting reaming anchor cable structure according to an embodiment of the utility model;
fig. 4 is a schematic view of a frustum of a high-pressure jet grouting reaming anchor cable structure according to an embodiment of the utility model.
In the figure:
1. a loop bar; 2. a pressure bearing plate; 3. drilling a pipe; 4. a drainage tube; 5. a rotary jet drill bit; 6. a frustum blade; 7. a guide groove; 8. spraying a hole; 9. grouting a channel; 10. a tapered slot; 11. a frustum; 12. a clip; 13. a first barbed thread; 14. a second barbed thread; 15. anchor cable steel strand wires; 16. and a clamp spring.
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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to the embodiment of the utility model, a high-pressure jet grouting reaming anchor cable structure is provided.
Example one
As shown in fig. 1 to 4, the first embodiment of the present invention is:
a high pressure jet grouting reaming anchor cable structure comprises: the sleeve rod 1 and the fixed sleeve are arranged on a bearing plate 2 of the sleeve rod 1, a drill pipe 3 is movably inserted in the sleeve rod 1, a drainage pipe 4 is movably inserted in the drill pipe 3, the top end of the drainage pipe 4 extends out of the top end of the sleeve rod 1, the bottom end of the drill pipe 3 extends out of the bottom end of the sleeve rod 1 and is fixedly provided with a rotary jet drill bit 5, a frustum blade 6 is fixedly sleeved on the rotary jet drill bit 5, a guide groove 7 is arranged on the frustum blade 6, the rotary jet drill bit 5 is positioned at the bottom end of the frustum blade 6 and is provided with a spray hole 8, a grouting channel 9 is formed by communicating the drainage pipe 4 and the drill pipe 3, and the grouting channel 9 is communicated with the spray hole 8;
2 both sides of bearing plate are equipped with toper draw-in groove 10 respectively, are equipped with second barb screw thread 14 in the toper draw-in groove 10, and are equipped with frustum 11 in the toper draw-in groove 10, and frustum 11 includes the clamping piece 12 of two sets of mutual adaptations, and clamping piece 12 is close to one side and is equipped with the first barb screw thread 13 of mutual adaptation respectively, is equipped with anchor rope steel strand wires 15 between the clamping piece 12.
By means of the scheme, the sleeve rod 1 is connected with the drainage tube 4 and the drill pipe 3, under the action of the rotary jet drill bit 5 and the frustum blade 6, the anchor cable steel strand 15 on the bearing plate 2 is conveniently pushed to the operation depth, and the rotary jet drill bit 5 and the frustum blade 6 are used for rotary grouting to form the anchor cable expansion head with the required diameter, so that the anchor cable expansion head has the advantages of uniform grouting and easiness in fixing of the anchor cable, hole forming, anchor cable placement and rotary jet grouting hole expansion operation can be completed at one time, and the guide groove 7 can improve the construction efficiency;
in addition, as shown in fig. 3-4, the anchor cable steel strand 15 is assembled between the clamping pieces 12 of the frustum 11 and attached to the first barbed threads 13, so that the clamping effect on the anchor cable steel strand 15 is guaranteed, the assembled frustum 11 is arranged in the conical clamping groove 10 and is matched with the second barbed threads 14, and a stable clamping effect is achieved, so that the anchor cable steel strand 15 has a function of preventing looseness under low stress, and the anchor cable steel strand 15 has good fixing reliability and construction convenience.
Example two
As shown in fig. 1 to 4, the second embodiment of the present invention is:
a high pressure spouts reaming anchor rope structure soon, on the basis of embodiment one, still includes: the clamping pieces 12 are of fan-shaped structures, and a gap is reserved between the two groups of clamping pieces 12; the frustum 11 is further sleeved with a clamp spring 16, and the two groups of clamping pieces 12 are located between the clamp springs 16.
In this technical scheme, the toper draw-in groove 10 and the frustum 11 of mutual adaptation are convenient for to the firm centre gripping of anchor rope steel strand wires 15, and the toper structure that agrees with each other realizes drawing tighter and tighter for this anchor rope steel strand wires 15 has the locking function under the low stress, and stability is higher.
In addition, as shown in fig. 2, the drill pipe 3 is a T-shaped structure, and a bearing is arranged between the drill pipe 3 and the sleeve rod 1; the diameter of the drill pipe 3 is larger than that of the drainage pipe 4, and a sealing ring is arranged between the drainage pipe 4 and the drill pipe 3.
Specifically, when the anchor grouting device is used, high-pressure cement slurry is injected from the drainage tube 4 into the drilling tube 3 through the grouting channel 9 and is sprayed out through the spraying holes 8 to cut soil, the drilling tube 3, the rotary spraying drill bit 5 and the frustum blades 6 rotate freely, so that the rotation resistance is increased, the bearing plate 2 and the anchor cable steel strand 15 mounted on the bearing plate 2 cannot rotate along with the rotary spraying drill bit 5, and after reaming and grouting are completed by performing head expanding and rotary spraying on the anchoring section from bottom to top, the rotary spraying drill bit 5 is pulled out, and conventional anchor sealing treatment is performed.
In addition, this technical scheme is in the implementation, and the jet grouting drill bit 5 can adopt the bolt mode to dismantle with the drill pipe 3 and be connected, and the maintenance of being convenient for is changed and is improved follow-up efficiency of construction.
In addition, the reaming grouting process parameters can adopt: the rotation speed of the drill rod is 12r/min, and the lifting speed is 0.6 m/min; the cement paste is prepared by mixing common Portland cement with the water cement ratio of 1.2; the grouting pressure of the high-pressure cement slurry is 25MPa, and the grouting amount is 120L/min.
In addition, as shown in fig. 1, the guide groove 7 is obliquely arranged along the rotation direction of the jet drill 5; the plurality of groups of spray holes 8 are arranged in a spiral manner along the rotation direction of the rotary jet drill 5.
In the technical scheme, a plurality of groups of spray holes 8 are spirally arranged along the rotating direction of the rotary jet drill bit 5. Be convenient for form cylindric drilling at rotatory injection, form three-dimensional whitewashing effect moreover for whitewashing speed prevents that the weak soil from dropping the jam from the top to and the rotatory injection of slow speed forms cylindric thick liquid dado that receives, and with jet-grouting drill bit 5 and anchor rope steel strand wires 15 propulsion to the depth of construction under the effect of continuous pressure of drill pipe 3.
In summary, with the above technical solution of the present invention, the following effects can be achieved: the sleeve rod 1 is connected with the drainage tube 4 and the drill pipe 3, under the action of the rotary jet drill bit 5 and the frustum blade 6, the anchor cable steel strand 15 on the bearing plate 2 is conveniently pushed to the operation depth, and the rotary jet drill bit 5 and the frustum blade 6 are used for rotary grouting to form an anchor cable expansion head with a required diameter, so that the anchor cable expansion head has the advantages of uniform grouting and easiness in fixing of the anchor cable, the hole forming, anchor cable laying and rotary jet grouting hole expansion operations can be completed at one time, and the guide groove 7 can improve the construction efficiency; in addition, the anchor cable steel strand 15 is assembled between the clamping pieces 12 of the frustum 11 and attached to the first barb threads 13, the clamping effect on the anchor cable steel strand 15 is guaranteed, the assembled frustum 11 is arranged in the conical clamping groove 10 and matched with the second barb threads 14, the stable clamping effect is achieved, the anchor cable steel strand 15 has the function of preventing looseness under low stress, and the anchor cable steel strand 15 has good fixing reliability and construction convenience.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a reaming anchor rope structure is spouted soon to high pressure which characterized in that includes: the sleeve rod (1) and the fixed sleeve are arranged on a bearing plate (2) of the sleeve rod (1), a drill pipe (3) is movably inserted in the sleeve rod (1), a drainage pipe (4) is movably inserted in the drill pipe (3), the top end of the drainage pipe (4) extends out of the top end of the sleeve rod (1), the bottom end of the drill pipe (3) extends out of the bottom end of the sleeve rod (1) and is fixedly provided with a rotary jet drill bit (5), a frustum blade (6) is fixedly sleeved on the rotary jet drill bit (5), a guide groove (7) is arranged on the frustum blade (6), the rotary jet drill bit (5) is positioned at the bottom end of the frustum blade (6) and is provided with a spray hole (8), a grouting channel (9) is formed by communicating the drainage pipe (4) and the drill pipe (3), and the grouting channel (9) is communicated with the spray hole (8);
bearing plate (2) both sides are equipped with toper draw-in groove (10) respectively, be equipped with second barb screw thread (14) in toper draw-in groove (10), just be equipped with frustum (11) in toper draw-in groove (10), frustum (11) are including clamping piece (12) of two sets of mutual adaptations, clamping piece (12) are close to one side and are equipped with first barb screw thread (13) of mutual adaptation respectively, be equipped with anchor rope steel strand wires (15) between clamping piece (12).
2. The anchor cable structure for reaming by high pressure jet grouting according to claim 1, wherein the clamping pieces (12) are fan-shaped, and a gap is left between two groups of the clamping pieces (12).
3. The high-pressure jet grouting reaming anchor cable structure as claimed in claim 2, wherein the frustum (11) is further sleeved with a snap spring (16), and two sets of the clamping pieces (12) are located between the snap springs (16).
4. The high-pressure jet grouting reaming anchor cable structure according to claim 1, characterized in that the drill pipe (3) is a T-shaped structure, and a bearing is arranged between the drill pipe (3) and the sleeve rod (1).
5. The high-pressure jet grouting reaming anchor cable structure according to claim 4, wherein the diameter of the drill pipe (3) is larger than that of the drainage pipe (4), and a sealing ring is arranged between the drainage pipe (4) and the drill pipe (3).
6. A high-pressure jet grouting reaming anchor rope structure according to claim 5, characterized in that the guide grooves (7) are arranged obliquely along the rotation direction of the jet grouting drill bit (5).
7. The high-pressure jet grouting reaming anchor cable structure as claimed in claim 6, wherein the jet holes (8) are in several groups, and the several groups of jet holes (8) are spirally arranged along the rotation direction of the jet drill bit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992240.2U CN216713016U (en) | 2021-11-27 | 2021-11-27 | High-pressure jet grouting reaming anchor cable structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992240.2U CN216713016U (en) | 2021-11-27 | 2021-11-27 | High-pressure jet grouting reaming anchor cable structure |
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| Publication Number | Publication Date |
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| CN216713016U true CN216713016U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122992240.2U Active CN216713016U (en) | 2021-11-27 | 2021-11-27 | High-pressure jet grouting reaming anchor cable structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855793A (en) * | 2022-06-13 | 2022-08-05 | 厦门铖知新材科技有限公司 | Rotary spraying recoverable anchor cable device |
-
2021
- 2021-11-27 CN CN202122992240.2U patent/CN216713016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855793A (en) * | 2022-06-13 | 2022-08-05 | 厦门铖知新材科技有限公司 | Rotary spraying recoverable anchor cable device |
| CN114855793B (en) * | 2022-06-13 | 2023-11-14 | 厦门铖知新材科技有限公司 | Rotary spraying recoverable anchor cable device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240419 Address after: Unit 412-3, No.1 Yuanshan North Sanli, Huli District, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen Hongjie Construction Engineering Co.,Ltd. Country or region after: China Address before: Room 101, no.6-7, Doushan Shuangta she, Jimei District, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen hongyangrong Engineering Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |