CN212026242U - Vertical prestressed anchorage pole supporting construction - Google Patents
Vertical prestressed anchorage pole supporting construction Download PDFInfo
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- CN212026242U CN212026242U CN202020531483.9U CN202020531483U CN212026242U CN 212026242 U CN212026242 U CN 212026242U CN 202020531483 U CN202020531483 U CN 202020531483U CN 212026242 U CN212026242 U CN 212026242U
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- stock
- rod
- rock mass
- supporting construction
- anchor
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Abstract
The utility model belongs to the technical field of anchor bolt supporting construction technique and specifically relates to a vertical prestressed anchor bolt supporting construction is related to, its technical scheme main points are: including the rock mass and be located the building layer of rock mass earth's surface department, be provided with vertical hole on the rock mass, vertical downthehole stock that is provided with, the top of stock upwards runs through to the building layer top, and the inside cavity of stock and the both ends of stock are the opening setting, and the bottom of stock is provided with the inserted bar along the horizontal direction, is provided with drive assembly in the stock, and drive assembly is used for driving the inserted bar and pegs graft in the rock mass, the utility model has the function of the anchor power of promotion prestressed anchorage pole in the rock mass to play the effect of the stability of promotion prestressed anchorage pole when installing in the rock mass.
Description
Technical Field
The utility model belongs to the technical field of anchor bolt supporting construction technique and specifically relates to a vertical prestressed anchor supporting construction is related to.
Background
The anchor bolt supporting structure is a reinforcing and supporting structure mode adopted in earth surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like, according to the actual needs of reinforcing and supporting, vertical holes need to be drilled in earth surface rock masses or rock masses around the chambers in advance, then prestressed anchor rods penetrate through building layers and are driven into the vertical holes along the vertical direction, certain pre-pressing stress is applied to the surrounding rocks by utilizing anchoring force generated by anchor heads of the prestressed anchor rods, the effect of actively reinforcing the surrounding rocks or combining the surrounding rocks with stable rock masses is achieved, and finally the building layers of the earth surface engineering or the underground chambers are supported and reinforced.
Referring to fig. 1, a prestressed anchor rod commonly used in the existing anchor rod supporting construction process includes an anchor rod body 18, an expanding anchor head 19 arranged at one end of the anchor rod body 18, and a backing plate 14 and a nut 17 which are arranged on the anchor rod body 18 and far away from one end of the expanding anchor head 19, wherein the expanding anchor head 19 expands a shell of a barb on the expanding anchor head 19 under the rotation driving action of the anchor rod body 18, the shell is tightly pressed on a rock wall, and the shell and the rock wall are mutually supported and rubbed, so that the prestressed anchor rod obtains the anchoring force fixed on a rock body.
In actual operation, the anchorage of the rock mass plays a role in determining the anchoring force of the prestressed anchor, and the friction force between the expanding shell anchor head 19 and hard rock is large, so that the expanding shell anchor is generally suitable for hard rock layers, and when the prestressed anchor is installed in a soft or cracked rock mass, the friction force between the expanding shell anchor head 19 and the rock mass is small, so that the anchoring force of the prestressed anchor is poor, the prestressed anchor loosens, and potential safety hazards are brought to construction engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vertical prestressed anchorage pole supporting construction, this kind of vertical prestressed anchorage pole supporting construction play the function that promotes the anchoring force of prestressed anchorage pole in the rock mass to play the effect of promoting the stability of prestressed anchorage pole when installing in the rock mass.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a vertical prestressed anchor bolt supporting construction, includes the rock mass and is located the building layer of rock mass earth's surface department, be provided with vertical hole on the rock mass, vertical downthehole anchor rod that is provided with, the top of anchor rod upwards runs through to building layer top, the inside cavity of anchor rod just the both ends of anchor rod are the opening setting, the bottom of anchor rod is provided with the inserted bar along the horizontal direction, be provided with drive assembly in the anchor rod, drive assembly is used for the drive the inserted bar peg graft in the rock mass.
Through adopting above-mentioned technical scheme, make the inserted bar on the installation piece peg graft in the rock mass through starting drive assembly to played the effect of stock chucking in the rock mass, so promoted the anchor power between stock and rock mass, and then increased the stability of stock when installing in the rock mass.
The utility model discloses further set up to: the drive assembly is including installation piece and screw rod, the installation piece is fixed in the bottom of stock, the inside of installation piece is cavity setting, just the inside of installation piece with the inside intercommunication of stock, it is provided with the confession to run through along the horizontal direction on the lateral wall of installation piece the slide opening that the inserted bar slided, the stock is provided with the internal thread, the screw rod passes through internal thread threaded connection in the stock, the bottom of screw rod is provided with the conical surface, the inserted bar is kept away from the one end of rock mass with the butt that slides of conical surface.
Through adopting above-mentioned technical scheme, through rotating the screw rod, under threaded connection's effect, the screw rod moves towards installation piece department in the stock to conical surface butt in the inserted bar, at the in-process of screw rod motion, the promotion inserted bar of conical surface, the inserted bar stretches out to the installation piece outside through the slide opening and inserts and connect on the rock mass, and then has realized the effect with the stock chucking.
The utility model discloses further set up to: the inserted bar is provided with a limiting boss which is abutted against the inner wall of the mounting block.
Through adopting above-mentioned technical scheme, the butt cooperation between the inner wall of installation piece and the spacing boss makes the installation piece play limiting displacement to the inserted bar, plays and prevents that the inserted bar from taking off from slide opening department and dropping outside the installation piece, has guaranteed the inserted bar when pegging graft in the rock mass and the steadiness between the installation piece.
The utility model discloses further set up to: the inserted bar is inserted into one end of the rock body and is arranged in a conical shape.
Through adopting above-mentioned technical scheme, the inserted bar tip that is the toper setting has increased the pressure of inserted bar end, and the inserted bar of being convenient for is pegged graft in the rock mass.
The utility model discloses further set up to: the inserted bar sets up to many, many the inserted bar is circumference evenly arranged around the axis of stock.
Through adopting above-mentioned technical scheme, many inserted bars play and carry out the effect of pegging graft to the rock mass around the stock for the stock receives even anchoring force when the installation, stability when further having promoted the stock installation.
The utility model discloses further set up to: the mounting block is welded to the anchor rod.
Through adopting above-mentioned technical scheme, through the welded mode, realize fixedly between installation piece and the stock.
The utility model discloses further set up to: the anchor rod is kept away from the one end of installation piece is provided with the external screw thread section, the backing plate has been cup jointed on the anchor rod, the backing plate with the building layer butt, threaded connection has the nut on the external screw thread section, the nut is located the backing plate is kept away from one side of installation piece, the nut butt in the backing plate.
Through adopting above-mentioned technical scheme, the nut of screwing for the backing plate butt is on the building layer, so realizes the fixed mounting of stock free end.
The utility model discloses further set up to: the backing plate is provided with a waterproof gasket, and the waterproof gasket is located between the backing plate and the building layer.
Through adopting above-mentioned technical scheme, waterproof gasket has increased the leakproofness between building layer and the backing plate, plays the effect that prevents that the water in the rock mass from overflowing from between backing plate and the building layer.
To sum up, the utility model discloses a beneficial technological effect does:
1. the inserted rod on the mounting block is inserted into the rock body by starting the driving assembly, so that the effect that the anchor rod is tightly clamped in the rock body is achieved, the anchoring force between the anchor rod and the rock body is improved, and the stability of the anchor rod when the anchor rod is mounted on the rock body is improved;
2. the inner wall of the mounting block is in butt fit with the limiting boss, so that the mounting block has a limiting effect on the insertion rod, the insertion rod is prevented from loosening from the sliding hole and falling out of the mounting block, and the stability between the insertion rod and the mounting block when the insertion rod is inserted into a rock body is ensured;
3. the end part of the inserting rod which is arranged in a conical shape increases the pressure of the end of the inserting rod, and the inserting rod is convenient to be inserted into a rock body.
Drawings
FIG. 1 is a schematic diagram of a prestressed anchor according to the prior art;
fig. 2 is a schematic structural diagram in an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic structural diagram of the anchor rod, the mounting block, the backing plate, the waterproof gasket, the screw rod, and the nut according to an embodiment of the present invention.
In the figure, 1, a rock mass; 2. a building layer; 3. a vertical hole; 4. an anchor rod; 5. a through hole; 6. inserting a rod; 7. a drive assembly; 71. mounting blocks; 72. a screw; 8. a via hole; 9. a slide hole; 10. a limiting boss; 11. an internal thread; 12. a conical surface; 13. an external threaded section; 14. a base plate; 15. sleeving a hole; 16. a waterproof gasket; 17. a nut; 18. an anchor rod body; 19. an anchor head with an expanding shell.
Detailed Description
Referring to fig. 2, for the utility model discloses a vertical prestressed anchor supporting construction, including rock mass 1 and building layer 2, rock mass 1 is the stratiform setting, and building layer 2 is located 1 earth's surface department of rock mass, need explain, building layer 2 here refers to the building structure that is formed by concrete placement, and not refer in particular to simple layer structure, be provided with vertical hole 3 on rock mass 1, be provided with stock 4 in the vertical hole 3, stock 4 is rectangular cylinder form, the inside cavity of stock 4 and the top of stock 4 all are the opening setting with the bottom, the outer wall of stock 4 and the pore wall butt in vertical hole 3, run through the through-hole 5 that is provided with vertical hole 3 intercommunication along vertical direction on building layer 2, stock 4 top upwards runs through to building layer 2 top via through-hole 5.
Referring to fig. 2 and 3, the bottom end of the anchor rod 4 is horizontally provided with an insertion rod 6, the insertion rod 6 is arranged in a cylindrical shape, the insertion rod 6 is used for being inserted into the rock body 1, one end of the insertion rod 6 inserted into the rock body 1 is arranged in a conical shape, the anchor rod 4 is internally provided with a driving assembly 7, the driving assembly 7 is used for driving the insertion rod 6 to be inserted into the rock body 1, specifically, the driving assembly 7 comprises an installation block 71 and a screw 72, the installation block 71 is arranged in a cylindrical shape, the installation block 71 is arranged in a vertical direction, the inside of the installation block 71 is arranged in a hollow shape, the top wall of the installation block 71 is vertically provided with a through hole 8 in a penetrating manner, the top wall of the installation block 71 is welded to the bottom end of the anchor rod 4 through the through hole 8, the side wall of the installation block 71 is horizontally provided with a sliding hole 9 for the insertion rod 6 to slide in a penetrating manner, the, the aperture size of round hole and the diameter size looks adaptation of inserted bar 6, inserted bar 6 is pegged graft in slide opening 9 and the surface of inserted bar 6 and the pore wall of slide opening 749 butt that slides, inserted bar 6 keeps away from one end lateral wall department integrated into one piece of rock mass 1 has spacing boss 10, spacing boss 10 is the ring form setting around the axial lead of inserted bar 6, spacing boss 10 can be with the mutual butt of the inner wall of installation piece 71, when spacing boss 10 and the inner wall butt of installation piece 71, spacing boss 10 plays limiting displacement to inserted bar 6, prevent that inserted bar 6 from the pine of slide opening 9 department and taking off and drop outside installation piece 71.
In addition, be provided with internal thread 11 on the inner wall of stock 4, screw rod 72 is in stock 4 through internal thread 11 threaded connection, and the bottom of screw rod 72 is the toper setting, so form conical surface 12 in screw rod 72 bottom, the one end and the conical surface 12 butt of sliding of rock mass 1 are kept away from to inserted bar 6, through rotating screw rod 72, under threaded connection's effect, screw rod 72 produces the motion towards installation piece 71 direction in stock 4, at the in-process of screw rod 72 motion, the promotion inserted bar 6 of conical surface 12, inserted bar 6 stretches out to installation piece 71 outside and plug-in on rock mass 1 through slide opening 9, and then realized the effect with stock 4 chucking.
Referring to fig. 2, the inserted bar 6 can set up to many, and is corresponding, the quantity adaptation of the quantity that sliding hole 9 set up and inserted bar 6, in this embodiment, the quantity of inserted bar is preferably four, and four inserted bars 6 are circumference evenly arranged around the axis of stock 4, and four inserted bars 6 are pegged graft to being located stock 4 rock mass 1 all around respectively for stock 4 receives even anchoring force when the installation, has further promoted the stability when stock 4 installs.
Referring to fig. 4, an external thread section 13 is arranged on the outer surface of one end of the anchor rod 4 far away from the installation block 71, a backing plate 14 is arranged on the anchor rod 4, the backing plate 14 is in a rectangular plate shape, the backing plate 14 is arranged along the horizontal direction, a sleeve hole 15 (combined with fig. 2) is arranged in the middle of the backing plate 14 in a penetrating manner, the backing plate 14 is sleeved on the anchor rod 4 through the sleeve hole 15, a waterproof gasket 16 is adhered to the bottom surface of the backing plate 14, the bottom of the backing plate 14 is abutted against the upper surface of the building layer 2, the waterproof gasket 16 is positioned between the backing plate 14 and the building layer 2, a nut 17 is connected to the external thread section 13 in a threaded manner, the nut 17 is positioned on one side of the backing plate 14 far away from the installation block 71, the bottom of the nut 17 is abutted against the backing plate 14, the nut 17 is screwed, the gasket is clamped on the building layer, and serves to prevent water in the rock mass 1 from escaping between the tie plate 14 and the building storey 2.
The implementation principle of the embodiment is as follows: rotate screw rod 72 through the start-up, make screw rod 72 stretch into to stock 4 in, the one end of conical surface 12 butt inserted bar 6 of screw rod 72 promotes inserted bar 6 and pegs graft in rock mass 1, inserted bar 6 is with stock 4 chucking in rock mass 1, so promoted the anchor power between stock 4 and rock mass 1, and then increased the stability of stock 4 when installing in rock mass 1, screw up nut 17 afterwards, make backing plate 14 support tightly in building layer 2, the fixing of stock 4 free end has been realized, finally the installation of stock 4 has been realized.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a vertical prestressed anchor bolt supporting construction, includes rock mass (1) and is located building layer (2) of rock mass (1) earth's surface department, be provided with vertical hole (3) on rock mass (1), be provided with stock (4) in vertical hole (3), the top of stock (4) upwards runs through to building layer (2) top, its characterized in that: the anchor rod is characterized in that the inside of the anchor rod (4) is hollow, the two ends of the anchor rod (4) are arranged in an opening mode, an inserted rod (6) is arranged at the bottom end of the anchor rod (4) in the horizontal direction, a driving assembly (7) is arranged in the anchor rod (4), and the driving assembly (7) is used for driving the inserted rod (6) to be inserted into the rock body (1).
2. The vertically prestressed anchor supporting construction as claimed in claim 1, wherein: drive assembly (7) are including installation piece (71) and screw rod (72), installation piece (71) are fixed in the bottom of stock (4), the inside of installation piece (71) is the cavity setting, just the inside of installation piece (71) with the inside intercommunication of stock (4), it is provided with the confession to run through along the horizontal direction on the lateral wall of installation piece (71) slide opening (9) that inserted bar (6) slided, stock (4) are provided with internal thread (11), screw rod (72) pass through internal thread (11) threaded connection in stock (4), the bottom of screw rod (72) is provided with conical surface (12), inserted bar (6) are kept away from the one end of rock mass (1) with conical surface (12) butt that slides.
3. The vertically prestressed anchor supporting construction as claimed in claim 2, wherein: the plug rod (6) is provided with a limiting boss (10), and the limiting boss (10) abuts against the inner wall of the mounting block (71).
4. The vertically prestressed anchor supporting construction as claimed in claim 1, wherein: the inserted rod (6) is inserted into one end of the rock body (1) in a conical shape.
5. The vertically prestressed anchor supporting construction as claimed in claim 1, wherein: the inserted bar (6) sets up to many, many the inserted bar (6) is circumference evenly arranged around the axis of stock (4).
6. The vertically prestressed anchor supporting construction as claimed in claim 2, wherein: the mounting block (71) is welded to the anchor rod (4).
7. The vertically prestressed anchor supporting construction as claimed in claim 6, wherein: keep away from stock (4) the one end of installation piece (71) is provided with external screw thread section (13), backing plate (14) have been cup jointed on stock (4), backing plate (14) with building layer (2) butt, threaded connection has nut (17) on external screw thread section (13), nut (17) are located backing plate (14) are kept away from one side of installation piece (71), nut (17) butt in backing plate (14).
8. The vertically prestressed anchor supporting construction as claimed in claim 7, wherein: a waterproof gasket (16) is arranged on the backing plate (14), and the waterproof gasket (16) is located between the backing plate (14) and the building layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531483.9U CN212026242U (en) | 2020-04-11 | 2020-04-11 | Vertical prestressed anchorage pole supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531483.9U CN212026242U (en) | 2020-04-11 | 2020-04-11 | Vertical prestressed anchorage pole supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212026242U true CN212026242U (en) | 2020-11-27 |
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ID=73489660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020531483.9U Expired - Fee Related CN212026242U (en) | 2020-04-11 | 2020-04-11 | Vertical prestressed anchorage pole supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212026242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463570A (en) * | 2021-08-06 | 2021-10-01 | 广东中都建筑集团有限公司 | Anchoring structure of ecological environment-friendly river course revetment and construction method thereof |
-
2020
- 2020-04-11 CN CN202020531483.9U patent/CN212026242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463570A (en) * | 2021-08-06 | 2021-10-01 | 广东中都建筑集团有限公司 | Anchoring structure of ecological environment-friendly river course revetment and construction method thereof |
| CN113463570B (en) * | 2021-08-06 | 2022-05-13 | 广东中都建筑集团有限公司 | Anchoring structure of ecological environment-friendly river course revetment and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |