CN219299341U - Mining grouting anchor cable bundle - Google Patents
Mining grouting anchor cable bundle Download PDFInfo
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- CN219299341U CN219299341U CN202320867306.1U CN202320867306U CN219299341U CN 219299341 U CN219299341 U CN 219299341U CN 202320867306 U CN202320867306 U CN 202320867306U CN 219299341 U CN219299341 U CN 219299341U
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- anchor cable
- expansion sleeve
- anchor
- sleeve
- hollow rod
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The utility model relates to the technical field of mine support, and in particular discloses a mining grouting anchor cable bundle, which comprises the following components: the anchor cable penetrating assembly is provided with an expansion sleeve assembly; according to the utility model, the hemispherical anchor backing plate is extruded into the conical expansion sleeve, so that the outer wall surface of the conical expansion sleeve is tightly attached to the inner wall of a drilling hole, the conical external thread sleeve is rotated to enter the cylindrical expansion sleeve, the cylindrical expansion sleeve is expanded and tightly attached to the inner wall of the drilling hole, the anchor cable bundle is prevented from sliding out of the drilling hole, the anchor cable bundle is arranged in the anchor cable penetrating assembly in a penetrating manner, the whole anchor cable penetrating assembly is convenient to install quickly, the anchor cable penetrating assembly is fixed in the drilling hole through the expansion sleeve assembly, the anchor cable bundle can be tensioned and pre-tensioned before grouting, and the roadway can be better supported after grouting tensioning.
Description
Technical Field
The utility model belongs to the technical field of mine support, and particularly relates to a grouting anchor cable bundle for a mine.
Background
As the mining depth of the mine increases year by year, the geological conditions are more and more complicated, the mine pressure is more and more increased, the roadway support difficulty is also more and more increased, the hollow grouting anchor rods and the hollow grouting anchor cables are used for supporting the roadway under deep high-stress complex geological conditions in China, a certain effect is achieved, but the problems of insufficient support strength, insufficient support range and large roadway deformation still exist for some special conditions, and the combined anchor cable is also adopted for supporting the roadway under the special complex difficult conditions;
however, the combined anchor cable can only stretch the anchor cable bundle after drilling and grouting, the grouting effect and the grout diffusion range are difficult to ensure due to low grouting pressure, and on the other hand, due to the fact that the anchor cable bundle is heavy in weight, grouting pipes and exhaust pipes need to be bundled on site in advance, so that the installation process needs to be matched by a plurality of people, the construction difficulty is high, and the anchor cable bundle needs to be fixed before grouting, so that the anchor cable bundle is prevented from slipping out of the drilling, and the construction process is complex, the labor intensity is high, and the efficiency is low.
Disclosure of Invention
The utility model aims to provide a mining grouting anchor cable bundle, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a mining grouting anchor cable harness comprising: the anchor cable penetrating assembly is provided with an expansion sleeve assembly;
the anchor cable penetrating assembly comprises a hemispherical anchor backing plate and a first hollow rod, wherein the front end of the first hollow rod is in threaded connection with a second hollow rod, the front end of the second hollow rod is in threaded connection with a cylinder block, the front end of the cylinder block is in threaded connection with a conical expansion sleeve, and the hemispherical anchor backing plate is movably arranged in the middle of the conical expansion sleeve;
the anchor cable penetrating assembly further comprises a shaft lever rotationally arranged at the rear end of the first hollow rod, and a steel wire rope is connected between the shaft lever and the hemispherical anchor backing plate;
the expanding sleeve assembly comprises a hexagonal nut which is in threaded connection with the rear end of the first hollow rod and a cylindrical expanding sleeve which is fixedly arranged on the outer surface of the first hollow rod, a base plate is fixedly connected to the front wall surface of the hexagonal nut, a conical external thread sleeve is fixedly connected to the front wall surface of the base plate, a thread block is arranged on the outer surface of the conical external thread sleeve, and the conical external thread sleeve and the base plate are sleeved on the surface of the first hollow rod.
Preferably, one end of the steel wire rope is fixedly connected with the middle part of the shaft rod, the other end of the steel wire rope is fixedly connected with one end of the hemispherical anchor backing plate in a binding mode, and scales are marked on the steel wire rope.
Preferably, one end fixedly connected with circular stopper of axostylus axostyle, circular stopper rotates to set up in the wall of first hollow pole, the other end fixedly connected with indent hexagonal block of axostylus axostyle, indent hexagonal block rotates to set up on the outer wall of first hollow pole.
Preferably, the middle part of the hemispherical anchor backing plate is penetrated and provided with a plurality of anchor point holes for anchor cable bundles.
Preferably, the cylindrical expansion sleeve is positioned at the front end of the conical external thread sleeve, a thread groove matched with the conical external thread sleeve is formed in the inner cavity of the cylindrical expansion sleeve, and a plurality of second expansion joints are uniformly distributed on the outer wall surface of the cylindrical expansion sleeve and penetrate through the inner cavity.
Preferably, a plurality of first expansion joints are uniformly distributed on the outer wall surface of the conical expansion sleeve and penetrate through the inner cavity, and a plurality of tooth blocks are uniformly distributed and fixedly connected on the outer wall surface of the conical expansion sleeve.
Preferably, the outer wall surface of the cylinder block is uniformly distributed and fixedly provided with a plurality of ring blocks, a plurality of slurry outlets are uniformly distributed on the cylinder block, and the slurry outlets are positioned between two adjacent ring blocks.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the hemispherical anchor backing plate is extruded into the conical expansion sleeve, so that the outer wall surface of the conical expansion sleeve is tightly attached to the inner wall of the drill hole, the conical external thread sleeve is rotated to enter the cylindrical expansion sleeve, the cylindrical expansion sleeve is expanded and tightly attached to the inner wall of the drill hole, and the anchor cable bundle is prevented from sliding out of the drill hole.
(2) According to the utility model, the anchor cable bundle is arranged in the anchor cable penetrating assembly in a penetrating manner, so that the whole anchor cable penetrating assembly is convenient to install quickly, and the anchor cable penetrating assembly is fixed in a drilled hole through the expansion sleeve assembly, so that the anchor cable bundle can be tensioned and pre-tensioned before grouting, and further, a roadway can be better supported after grouting and tensioning.
Drawings
FIG. 1 is one of the perspective views of the present utility model;
FIG. 2 is a schematic view of a tapered externally threaded sleeve according to the present utility model;
FIG. 3 is a schematic view of a cylindrical expansion shell according to the present utility model;
FIG. 4 is a cross-sectional view of a first hollow bar of the present utility model;
FIG. 5 is a schematic view of the conical expansion sleeve of the present utility model;
FIG. 6 is a schematic view of a cylindrical block structure according to the present utility model;
in the figure: 1. the anchor cable is penetrated and arranged on the assembly; 2. an expansion sleeve assembly;
101. hemispherical anchor pad plate; 102. a first hollow rod; 103. a second hollow rod; 104. a wire rope; 105. a shaft lever; 106. a circular limiting block; 107. concave hexagonal blocks; 108. a cylindrical block; 109. a circular ring block;
201. conical expansion sleeve; 202. tooth blocks; 203. a first expansion joint; 204. a cylindrical expansion sleeve; 205. a second expansion joint; 206. a tapered externally threaded sleeve; 207. a backing plate; 208. a hexagonal nut.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-6, a mining grouting anchor cable harness comprises: the anchor cable penetrating assembly 1 is provided with an expansion sleeve assembly 2, an anchor cable bundle is penetrated in the anchor cable penetrating assembly 1, and the anchor cable penetrating assembly 1 is fixed through the expansion sleeve assembly 2;
the anchor cable penetrating assembly 1 comprises a hemispherical anchor backing plate 101 and a first hollow rod 102, wherein the front end of the first hollow rod 102 is in threaded connection with a second hollow rod 103, the front end of the second hollow rod 103 is in threaded connection with a cylinder block 108, the front end of the cylinder block 108 is in threaded connection with a conical expansion sleeve 201, and the hemispherical anchor backing plate 101 is movably arranged in the middle of the conical expansion sleeve 201;
the anchor cable penetrating assembly 1 further comprises a shaft lever 105 which is rotatably arranged at the rear end of the first hollow rod 102, a steel wire rope 104 is connected between the shaft lever 105 and the hemispherical anchor backing plate 101, firstly, the steel wire rope 104 with proper length is selected according to the length of the anchor cable bundle, the hemispherical anchor backing plate 101 which accords with the required number of the anchor cable bundle (namely, the number of pore points of the hemispherical anchor backing plate 101 accords with the number of anchor cable bundles which need to be penetrated) is selected, the anchor cable bundle is penetrated into the first hollow rod 102, a plurality of second hollow rods 103 are added at the front end of the first hollow rod 102 according to the length of the anchor cable bundle, then a cylindrical block 108 is connected with the other end of the second hollow rod 103 in a threaded manner, one end (namely, one end far from the shaft lever 105) of the steel wire rope 104 is fixedly bound with the curved surface top end of the hemispherical anchor backing plate 101, one end of the anchor cable bundle is penetrated into the anchor pore points of the hemispherical anchor backing plate 101, and the end of the anchor cable bundle is fixedly limited by an anchor clip;
the expansion sleeve assembly 2 comprises a hexagonal nut 208 which is in threaded connection with the rear end of the first hollow rod 102 and a cylindrical expansion sleeve 204 which is fixedly arranged on the outer surface of the first hollow rod 102, a backing plate 207 is fixedly connected to the front wall surface of the hexagonal nut 208, a conical external thread sleeve 206 is fixedly connected to the front wall surface of the backing plate 207, a thread block is arranged on the outer surface of the conical external thread sleeve 206, the conical external thread sleeve 206 and the backing plate 207 are sleeved on the surface of the first hollow rod 102, the hexagonal spanner is used for rotating 107, so that the shaft 105 rotates to wind the steel wire rope 104, along with the winding, the steel wire rope 104 pulls the hemispherical anchor backing plate 101 to squeeze into the conical expansion sleeve 201, so that the tooth block 202 on the outer wall surface of the conical expansion sleeve 201 is embedded into the inner wall of a drilled hole and is tightly adhered to the inner wall of the drilled hole, the hexagonal nut 208 is rotated to move towards one end where the cylindrical expansion sleeve 204 is located, so that the backing plate 207 is tightly adhered to the outer surface of the drilled hole, the conical external thread sleeve 206 enters the inner cavity of the cylindrical expansion sleeve 204, and the outer wall of the cylindrical expansion sleeve 204 is tightly adhered to the inner wall of the drilled hole.
From the above, a steel wire rope 104 with a proper length is selected according to the length of the anchor rope bundle, a matched hemispherical anchor backing plate 101 is selected according to the required number of the anchor rope bundles (namely, the number of pore points of the hemispherical anchor backing plate 101 is matched with the number of anchor rope bundles which need to be penetrated), the anchor rope bundle is penetrated into the first hollow rod 102, a plurality of second hollow rods 103 are added at the front end of the first hollow rod 102 according to the length of the anchor rope bundle, a cylindrical block 108 is connected with the other end of the second hollow rod 103 in a threaded manner, one end (namely, one end far away from the shaft rod 105) of the steel wire rope 104 is bound and fixed with the top end of a curved surface of the hemispherical anchor backing plate 101, one end of the anchor rope bundle is penetrated into an anchor hole point of the hemispherical anchor backing plate 101, the end of the anchor rope bundle is fixed and limited by using an anchor clamping piece, and after the preparation work is finished, the anchor rope bundle is installed more quickly and conveniently, and integrally plugged into a drilled hole for installation;
use hexagonal spanner rotation 107 for the axostylus axostyle 105 rotates and twines wire rope 104, along with the winding goes on, wire rope 104 pulling hemisphere anchor backing plate 101 extrudees into in the toper cover that expands 201, make the tooth piece 202 embedding of toper cover 201 outer wall in the inner wall of drilling, the laminating fastening with the inner wall of drilling, it moves to the one end that cylinder cover 204 was located to rotate hexagonal nut 208 again, make backing plate 207 and the surface laminating of drilling, toper external screw thread sleeve 206 gets into in the inner chamber of cylinder cover 204, make the outer wall of cylinder cover 204 and the inner wall laminating fastening of drilling, and then avoid the anchor rope bundle to roll out from the drilling, it is whole worn to establish more swiftly, can stretch-draw the pretension to the anchor rope bundle after above-mentioned installation work is accomplished, and then make the anchor rope bundle support the mine tunnel that can be better.
Embodiment two:
referring to fig. 4, one end of the steel wire rope 104 is fixedly connected with the middle part of the shaft lever 105, the other end of the steel wire rope 104 is fixedly connected with one end of the hemispherical anchor pad 101 in a binding manner, scales are marked on the steel wire rope 104, the steel wire rope 104 with a proper length is conveniently selected according to the length of the anchor cable bundles, the hemispherical anchor pad 101 which accords with the anchor cable bundles (namely, the number of pore points of the hemispherical anchor pad 101 accords with the number of anchor cable bundles which need to be penetrated) is selected according to the required number of the anchor cable bundles, the steel wire rope 104 is fixedly connected with the hemispherical anchor pad 101 in a binding manner, and then the hemispherical anchor pad 101 is matched to realize the subsequent fixing effect.
Referring to fig. 4, one end of the shaft lever 105 is fixedly connected with a circular limiting block 106, the circular limiting block 106 is rotationally arranged in the wall surface of the first hollow rod 102, the other end of the shaft lever 105 is fixedly connected with a concave hexagonal block 107, the concave hexagonal block 107 is rotationally arranged on the outer wall surface of the first hollow rod 102, a hexagonal wrench is used for rotating 107, the shaft lever 105 rotates to wind the steel wire rope 104, and along with the progress of winding, the steel wire rope 104 pulls the hemispherical anchor backing plate 101 to squeeze into the conical expansion sleeve 201, so that the tooth block 202 on the outer wall surface of the conical expansion sleeve 201 is embedded into the inner wall of a drilled hole and is tightly adhered to the inner wall of the drilled hole.
Referring to fig. 1 and 4, the middle part of the hemispherical anchor pad 101 is perforated with a plurality of anchor holes for the anchor cable bundle, one end of the anchor cable bundle is perforated into the anchor hole point of the hemispherical anchor pad 101, and the end of the anchor cable bundle is fixed and limited by an anchor clamping piece.
Referring to fig. 1-3, the cylindrical expansion sleeve 204 is located at the front end of the conical external thread sleeve 206, a thread groove matched with the conical external thread sleeve 206 is formed in the inner cavity of the cylindrical expansion sleeve 204, a plurality of second expansion slits 205 are uniformly distributed on the outer wall surface of the cylindrical expansion sleeve 204 and penetrate through the inner cavity, the second expansion slits 205 can better enable the conical external thread sleeve 206 to enter the inner cavity of the cylindrical expansion sleeve 204, the hexagonal nut 208 rotates towards one end where the cylindrical expansion sleeve 204 is located, the base plate 207 is attached to the outer surface of a drilled hole, the conical external thread sleeve 206 enters the inner cavity of the cylindrical expansion sleeve 204, the outer wall surface of the cylindrical expansion sleeve 204 is attached and fastened to the inner wall surface of the drilled hole, and accordingly anchor cable bundles are prevented from sliding out of the drilled hole.
Referring to fig. 1-3, a plurality of first expansion gaps 203 are uniformly distributed on the outer wall surface of the conical expansion sleeve 201 and penetrate through the inner cavity, and a plurality of tooth blocks 202 are uniformly distributed on the outer wall surface of the conical expansion sleeve 201, so that the hemispherical anchor backing plate 101 can be extruded into the conical expansion sleeve 201 better, and the tooth blocks 202 on the outer wall surface of the conical expansion sleeve 201 are embedded into the inner wall of a drilled hole and are adhered and fastened with the inner wall of the drilled hole.
Referring to fig. 1 and 6, a plurality of circular ring blocks 109 are uniformly distributed and fixed on the outer wall surface of the cylinder block 108, a plurality of slurry outlets are uniformly distributed on the cylinder block 108, and the slurry outlets are positioned between two adjacent circular ring blocks 109, so that slurry can overflow from the slurry outlets on the cylinder block 108, and gaps among the first hollow rod 102, the second hollow rod 103 and the drilled holes are conveniently filled.
From the above, after tensioning and pre-tightening are completed, a grouting valve is installed at the outer end of the first hollow rod 102 for grouting, along with grouting, slurry overflows from a slurry outlet hole on the cylinder block 108, gaps among the first hollow rod 102, the second hollow rod 103 and the drilled holes are filled until inner cavities of the first hollow rod 102 and the second hollow rod 103 are filled, the grouting valve is closed, the grouting valve is removed after the slurry is solidified, an anchor and an anchor clamping piece are installed on an anchor cable bundle at the end for tensioning, and the tensioning effect is better and is more beneficial to supporting a mine roadway.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A mining grouting anchor cable harness, comprising: the anchor cable penetrating assembly (1) is provided with an expansion sleeve assembly (2);
the anchor cable penetrating assembly (1) comprises a hemispherical anchor backing plate (101) and a first hollow rod (102), wherein the front end of the first hollow rod (102) is in threaded connection with a second hollow rod (103), the front end of the second hollow rod (103) is in threaded connection with a cylinder block (108), the front end of the cylinder block (108) is in threaded connection with a conical expansion sleeve (201), and the hemispherical anchor backing plate (101) is movably arranged in the middle of the conical expansion sleeve (201);
the anchor cable penetrating assembly (1) further comprises a shaft lever (105) rotatably arranged at the rear end of the first hollow rod (102), and a steel wire rope (104) is connected between the shaft lever (105) and the hemispherical anchor backing plate (101);
the expanding sleeve assembly (2) comprises a hexagonal nut (208) which is in threaded connection with the rear end of the first hollow rod (102) and a cylindrical expanding sleeve (204) which is fixedly arranged on the outer surface of the first hollow rod (102), a base plate (207) is fixedly connected to the front wall surface of the hexagonal nut (208), a conical external thread sleeve (206) is fixedly connected to the front wall surface of the base plate (207), a thread block is arranged on the outer surface of the conical external thread sleeve (206), and the conical external thread sleeve (206) and the base plate (207) are sleeved on the surface of the first hollow rod (102).
2. The mining grouting anchor cable harness of claim 1, wherein: one end of the steel wire rope (104) is fixedly connected with the middle part of the shaft lever (105), the other end of the steel wire rope (104) is fixedly connected with one end of the hemispherical anchor backing plate (101) in a binding mode, and scales are marked on the steel wire rope (104).
3. A mining grouting anchor cable harness according to claim 2, wherein: one end fixedly connected with circular stopper (106) of axostylus axostyle (105), circular stopper (106) rotate and set up in the wall of first hollow pole (102), the other end fixedly connected with indent hexagonal block (107) of axostylus axostyle (105), indent hexagonal block (107) rotate and set up on the outer wall of first hollow pole (102).
4. A mining grouting anchor cable harness according to claim 3, wherein: the middle part of hemisphere anchor backing plate (101) runs through and has seted up a plurality of anchor point holes that are used for anchor rope bundle.
5. The mining grouting anchor cable harness of claim 4, wherein: the cylindrical expansion sleeve (204) is positioned at the front end of the conical external thread sleeve (206), a thread groove matched with the conical external thread sleeve (206) is formed in the inner cavity of the cylindrical expansion sleeve (204), and a plurality of second expansion joints (205) are uniformly distributed on the outer wall surface of the cylindrical expansion sleeve (204) and penetrate through the inner cavity.
6. The mining grouting anchor cable harness of claim 5, wherein: a plurality of first expansion joints (203) are uniformly distributed on the outer wall surface of the conical expansion sleeve (201) and penetrate through the inner cavity, and a plurality of tooth blocks (202) are uniformly distributed and fixedly connected with the outer wall surface of the conical expansion sleeve (201).
7. The mining grouting anchor cable harness of claim 6, wherein: the outer wall surface equipartition of drum piece (108) is fixed and is equipped with a plurality of ring pieces (109), a plurality of grout outlet holes have been seted up to the equipartition on drum piece (108), just the grout outlet hole is located between two adjacent ring pieces (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867306.1U CN219299341U (en) | 2023-04-18 | 2023-04-18 | Mining grouting anchor cable bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867306.1U CN219299341U (en) | 2023-04-18 | 2023-04-18 | Mining grouting anchor cable bundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299341U true CN219299341U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320867306.1U Active CN219299341U (en) | 2023-04-18 | 2023-04-18 | Mining grouting anchor cable bundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299341U (en) |
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2023
- 2023-04-18 CN CN202320867306.1U patent/CN219299341U/en active Active
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