CN215170123U - Anchor rod supporting device for tunnel construction - Google Patents
Anchor rod supporting device for tunnel construction Download PDFInfo
- Publication number
- CN215170123U CN215170123U CN202120996656.9U CN202120996656U CN215170123U CN 215170123 U CN215170123 U CN 215170123U CN 202120996656 U CN202120996656 U CN 202120996656U CN 215170123 U CN215170123 U CN 215170123U
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- stock
- anchor rod
- positioning
- threaded rod
- rod
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Abstract
The utility model discloses a be used for tunnel construction anchor bolt support device relates to tunnel construction technical field. Including the stock, stock one end opening sets up, a plurality of grooves that run through have been seted up to stock week side, a plurality of grooves that run through are along stock axial evenly distributed, the stock is kept away from opening one end and is coniform setting, the stock inside wall rotates and is connected with the threaded rod, the threaded rod axial is the same with the stock axial, the cover is equipped with a plurality of connecting blocks on the threaded rod, connecting block and stock inside wall sliding connection, connecting block one side articulates there is a plurality of connecting rods, the connecting rod is kept away from that connecting block one end articulates there is the locating pawl, the locating pawl is arranged in and is run through the inslot and the locating pawl and run through the groove rotation and be connected, the threaded rod is kept away from stock one end and is connected with the drive block, the stock is close to drive block one end and is equipped with locating component, locating component keeps away from stock one side and is equipped with a backplate. The utility model has the advantages of increase frictional resistance between stock and rock hole, the soil hole, reduce the risk of stock roll-off soil hole or rock hole.
Description
Technical Field
The utility model relates to a technical field of tunnel construction specifically is a be used for tunnel construction anchor bolt support device.
Background
The anchor rod technology is a common support means, and is widely applied to ground engineering such as rock soil, slope deep foundation and the like and underground engineering such as mine fields, tunnels and the like. The key content of the anchor rod setting in the engineering mainly comprises an anchor rod side resistance distribution mode and a limit withdrawal force, wherein the anchor rod side resistance distribution mode directly determines the length of an anchor rod anchoring section or the limit withdrawal force of the anchor rod, and the size of the limit withdrawal force determines the arrangement and the quantity of the anchor rods. But current anchor bolt supporting device simple structure, the bond stress performance between the body of rod and mortar is poor, is unfavorable for increasing the degree of stability.
The above prior art solution has the following drawbacks: the resistance between the existing anchor rod and the rock stratum hole is small, so that the anchor rod is not convenient to normally support.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a be used for tunnel construction anchor bolt support device, it has the frictional resistance between increase stock and rock hole, the soil hole, reduces the advantage of the risk of stock roll-off soil hole or rock hole.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a be used for tunnel construction anchor bolt support device, includes the stock, stock one end opening sets up, a plurality of through grooves have been seted up to stock week side, a plurality of through grooves along the stock axial evenly distributed, the stock is kept away from opening one end and is coniform setting, the stock inside wall rotates and is connected with the threaded rod, the threaded rod axial is the same with the stock axial, the cover is equipped with a plurality of connecting blocks on the threaded rod, the connecting block with threaded rod threaded connection, the connecting block with stock inside wall sliding connection, connecting block one side articulates there is a plurality of connecting rods, a plurality of the connecting rod mutually noninterfere, the connecting rod is kept away from connecting block one end articulates there is the locating pawl, the locating pawl is arranged in the through inslot just the locating pawl with through groove rotates the connection, the threaded rod is kept away from stock one end fixedly connected with drive block, the anchor rod is close to drive block one end is equipped with locating component, locating component keeps away from anchor rod one side is equipped with a backplate.
By adopting the technical scheme, the anchor rod is arranged, so that the support guard plate can be conveniently connected with the rock stratum or the soil, and the normal construction in the tunnel can be conveniently protected; through the arrangement of the through groove, the positioning claw can conveniently extend out of the through groove, and the position between the anchor rod and the soil or rock stratum is fixed through the positioning claw; by arranging the threaded rod, the connecting block is driven to slide on the inner side of the anchor rod conveniently by the threaded rod, so that the connecting block can extrude the connecting rod, the connecting rod extrudes the positioning claw, the positioning claw extends out of the through groove on the anchor rod, the positioning claw is tightly attached to a hole in soil or rock stratum, and the friction resistance between the anchor rod and the hole in the soil or rock stratum is ensured, so that the anchor rod cannot be separated from the hole in the soil or rock stratum after being subjected to external force; the positioning assembly is arranged, so that the position of the anchor rod in a hole of soil or rock stratum can be conveniently fixed, and the anchor rod cannot rotate along with the threaded rod when the threaded rod is driven to rotate by the driving block; through setting up a backplate, be convenient for form the protection to near soil and the stratum of stock, increase the security of construction in the tunnel.
The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises a positioning plate, the positioning plate is fixedly connected with the anchor rod, a through hole is formed in one side of the positioning plate, the axis of the through hole coincides with the axis of the anchor rod, and positioning cones are inserted at the corners of the positioning plate.
By adopting the technical scheme, the positioning plate is arranged, so that the depth of the anchor rod inserted into the soil or rock stratum hole is ensured to be consistent, and the consistency of the anchor rod in the installation process is increased; through the through hole arranged on the positioning plate, a driving block at one end of the threaded rod is driven by one side of the positioning plate conveniently, so that the positioning claw can be attached to the side wall of the soil hole or the rock stratum hole; through setting up the location awl, be convenient for make the locating plate can not take place to rotate on the tunnel inside wall for the drive block can normally drive the threaded rod and rotate.
The present invention may be further configured in a preferred embodiment as: spiral grooves are formed in the periphery of the anchor rod.
Through adopting above-mentioned technical scheme, through setting up the helicla flute, the stock of being convenient for is inseparabler when being difficult to insert with soil or rock stratum hole lateral wall laminating, inserts the stock in soil or rock stratum through the mode of spiral, increases the practicality of device.
The present invention may be further configured in a preferred embodiment as: the supporting and protecting plate is parallel to the positioning plate, a plurality of positioning bolts are inserted between the supporting and protecting plate and the positioning plate, the positioning bolts are in threaded connection with the positioning plate and the supporting and protecting plate, and the plurality of positioning bolts are uniformly distributed around the axis of the anchor rod.
By adopting the technical scheme, the working environment in the tunnel is protected conveniently by arranging the supporting and protecting plate, so that broken stones in the tunnel cannot fall off; the position between the supporting and protecting plate and the anchor rod is convenient to fix by arranging the positioning bolt.
The present invention may be further configured in a preferred embodiment as: all sides of the anchor rod are fixedly connected with a plurality of barbs which are uniformly distributed.
Through adopting above-mentioned technical scheme, through setting up the barb, be convenient for increase the frictional resistance between stock and soil or the rock stratum inside wall, make the stock be difficult to extract.
To sum up, the utility model discloses a following at least one useful technological effect:
1. by arranging the anchor rod, the support guard plate is conveniently connected with the position between the rock stratum or the soil, so that the normal construction in the tunnel is protected; through the arrangement of the through groove, the positioning claw can conveniently extend out of the through groove, and the position between the anchor rod and the soil or rock stratum is fixed through the positioning claw; by arranging the threaded rod, the connecting block is driven to slide on the inner side of the anchor rod conveniently by the threaded rod, so that the connecting block can extrude the connecting rod, the connecting rod extrudes the positioning claw, the positioning claw extends out of the through groove on the anchor rod, the positioning claw is tightly attached to a hole in soil or rock stratum, and the friction resistance between the anchor rod and the hole in the soil or rock stratum is ensured, so that the anchor rod cannot be separated from the hole in the soil or rock stratum after being subjected to external force; the positioning assembly is arranged, so that the position of the anchor rod in a hole of soil or rock stratum can be conveniently fixed, and the anchor rod cannot rotate along with the threaded rod when the threaded rod is driven to rotate by the driving block; by arranging the supporting and protecting plate, the soil and rock stratum near the anchor rod can be protected conveniently, and the safety of construction in the tunnel is improved;
2. the positioning plate is arranged, so that the depth of the anchor rod inserted into the hole of the soil or rock stratum is ensured to be consistent, and the consistency of the installation process of the anchor rod is increased; through the through hole arranged on the positioning plate, a driving block at one end of the threaded rod is driven by one side of the positioning plate conveniently, so that the positioning claw can be attached to the side wall of the soil hole or the rock stratum hole; through setting up the location awl, be convenient for make the locating plate can not take place to rotate on the tunnel inside wall for the drive block can normally drive the threaded rod and rotate.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
fig. 2 is a schematic view of the whole structure of the device of the present invention, in which the positioning pawl is extended.
Reference numerals: 1. an anchor rod; 2. a through groove; 3. a threaded rod; 4. a connecting rod; 5. a positioning claw; 6. connecting blocks; 7. a positioning assembly; 71. positioning a plate; 72. positioning a cone; 73. a through hole; 8. supporting the guard plate; 9. positioning the bolt; 10. a barb; 11. the block is driven.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the anchor bolt support device for tunnel construction disclosed by the present invention comprises an anchor bolt 1, wherein the anchor bolt 1 is provided to facilitate the connection between a support plate 8 and a rock stratum or soil, so as to protect the normal construction in the tunnel; one end of the anchor rod 1 is provided with an opening, a plurality of through grooves 2 are formed in the peripheral side of the anchor rod 1, and through the through grooves 2, the positioning claws 5 can conveniently extend out of the through grooves 2 and fix the position between the anchor rod 1 and soil or rock strata through the positioning claws 5; the plurality of through grooves 2 are uniformly distributed along the axial direction of the anchor rod 1, one end of the anchor rod 1, which is far away from the opening, is arranged in a conical shape, the inner side wall of the anchor rod 1 is rotatably connected with a threaded rod 3, the axial direction of the threaded rod 3 is the same as the axial direction of the anchor rod 1, the threaded rod 3 is sleeved with a plurality of connecting blocks 6, the connecting blocks 6 are in threaded connection with the threaded rod 3, the connecting blocks 6 are in sliding connection with the inner side wall of the anchor rod 1, one side of each connecting block 6 is hinged with a plurality of connecting rods 4, the connecting rods 4 are not interfered with each other, one end of each connecting rod 4, which is far away from the connecting block 6, is hinged with a positioning claw 5, the positioning claw 5 is arranged in the through groove 2 and is rotatably connected with the through groove 2, the connecting blocks 6 are conveniently driven by the threaded rod 3 to slide in the inner side of the anchor rod 1 through the threaded rod 3, the connecting blocks 6 can extrude the connecting rods 4, the positioning claws 5 to extrude the positioning claws 5 in the through groove 2 on the anchor rod 1, so that the positioning claws are tightly attached to holes on soil or rock strata, the friction resistance between the anchor rod 1 and the hole of the soil or rock stratum is ensured, so that the anchor rod 1 cannot be separated from the hole of the soil or rock stratum after being subjected to external force; the end, far away from the anchor rod 1, of the threaded rod 3 is fixedly connected with a driving block 11, one end, close to the driving block 11, of the anchor rod 1 is provided with a positioning assembly 7, the positioning assembly 7 is arranged, so that the position of the anchor rod 1 in a hole of soil or rock stratum can be conveniently fixed, and the anchor rod 1 cannot rotate along with the threaded rod 3 when the driving block 11 drives the threaded rod 3 to rotate; locating component 7 is kept away from stock 1 one side and is equipped with a backplate 8, through setting up backplate 8, is convenient for form the protection to near soil and the stratum of stock 1, increases the security of construction in the tunnel.
As shown in fig. 1 and 2, the positioning assembly 7 includes a positioning plate 71, and the positioning plate 71 is arranged to ensure that the depth of the anchor rod 1 inserted into the hole of the soil or rock stratum is consistent, so as to increase the consistency of the installation process of the anchor rod 1; the positioning plate 71 is fixedly connected with the anchor rod 1, a through hole 73 is formed in one side of the positioning plate 71, and the through hole 73 is formed in the positioning plate 71, so that the driving block 11 at one end of the threaded rod 3 is driven by one side of the positioning plate 71, and the positioning claw 5 can be attached to the side wall of a soil hole or a rock stratum hole; the axis of the through hole 73 coincides with the axis of the anchor rod 1, the positioning cones 72 are inserted at the corners of the positioning plate 71, and the positioning plate 71 cannot rotate on the inner side wall of the tunnel due to the arrangement of the positioning cones 72, so that the driving block 11 can normally drive the threaded rod 3 to rotate.
As shown in fig. 1 and 2, the side of the anchor rod 1 is provided with a spiral groove, which is not shown in the figure, so that when the anchor rod 1 is tightly attached to the side wall of the soil or rock stratum hole and is difficult to insert, the anchor rod 1 is inserted into the soil or rock stratum in a spiral manner, and the practicability of the device is improved.
As shown in fig. 1 and 2, the supporting plate 8 is parallel to the positioning plate 71, and the supporting plate 8 is arranged to protect the working environment in the tunnel, so that the broken stones in the tunnel cannot fall off; and a plurality of positioning bolts 9 are inserted between the supporting plate 8 and the positioning plate 71, the positioning bolts 9 are in threaded connection with the positioning plate 71 and the supporting plate 8, the plurality of positioning bolts 9 are uniformly distributed about the axis of the anchor rod 1, and the positioning bolts 9 are arranged to fix the position between the supporting plate 8 and the anchor rod 1 conveniently.
As shown in fig. 1 and 2, the periphery of the anchor rod 1 is fixedly connected with a plurality of barbs 10 which are uniformly distributed, and the barbs 10 are arranged, so that the frictional resistance between the anchor rod 1 and the inner side wall of soil or rock stratum is increased, and the anchor rod 1 is difficult to pull out.
The implementation principle of the embodiment is as follows: use the utility model discloses during the device, drill on rock stratum soil, insert the hole with stock 1 in, it is tighter with the laminating of hole inside wall when stock 1, when being not convenient for insert, rotatable stock 1, make stock 1 can insert in the hole through the helicla flute of stock 1 week side, until locating plate 71 and soil layer or rock stratum lithosphere contact, insert in soil with location awl 72, through the rotatory driving block 11 of spanner, make driving block 11 drive threaded rod 3 rotate, threaded rod 3 rotates and drives connecting block 6 and slide in stock 1, make connecting block 6 can extrude connecting rod 4 and make connecting rod 4 with the rotatory certain angle of locating pawl 5 and stretch out stock 1, locating pawl 5 supports tight back with soil or rock, it can with locating plate 71 fixed together through positioning bolt 9 with a backplate 8.
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 (5)
1. The utility model provides a be used for tunnel construction anchor bolt support device, includes stock (1), stock (1) one end opening sets up, a plurality of through groove (2) have been seted up to stock (1) week side, and a plurality of through groove (2) are followed stock (1) axial evenly distributed, its characterized in that: the anchor rod (1) is far away from one end of the opening and is arranged in a conical manner, the inner side wall of the anchor rod (1) is rotatably connected with a threaded rod (3), the axial direction of the threaded rod (3) is the same as the axial direction of the anchor rod (1), the threaded rod (3) is sleeved with a plurality of connecting blocks (6), the connecting blocks (6) are in threaded connection with the threaded rod (3), the connecting blocks (6) are in sliding connection with the inner side wall of the anchor rod (1), one side of each connecting block (6) is hinged with a plurality of connecting rods (4) which are not interfered with each other, the connecting rods (4) are far away from one end of each connecting block (6) is hinged with a positioning claw (5), the positioning claws (5) are arranged in the through grooves (2) and the positioning claws (5) are rotatably connected with the through grooves (2), the threaded rod (3) is far away from one end of the anchor rod (1) is fixedly connected with a driving block (11), the anchor rod (1) is close to one end of the driving block (11) is provided with a positioning assembly (7), and the positioning assembly (7) is far away from one side of the anchor rod (1) is provided with a supporting plate (8).
2. A bolting device for tunnel construction according to claim 1, characterised in that: locating component (7) include locating plate (71), locating plate (71) with stock (1) fixed connection, locating plate (71) one side is equipped with through hole (73), through hole (73) axis with stock (1) axis coincidence, locating plate (71) edge all inserts and is equipped with location awl (72).
3. A bolting device for tunnel construction according to claim 1, characterised in that: spiral grooves are formed in the peripheral sides of the anchor rods (1).
4. A bolting device for tunnel construction according to claim 2, characterised in that: the supporting plate (8) is parallel to the positioning plate (71), a plurality of positioning bolts (9) are inserted between the supporting plate (8) and the positioning plate (71), the positioning bolts (9) are in threaded connection with the positioning plate (71) and the supporting plate (8), and the positioning bolts (9) are uniformly distributed on the axis of the anchor rod (1).
5. A bolting device for tunnel construction according to claim 1, characterised in that: the periphery of the anchor rod (1) is fixedly connected with a plurality of barbs (10) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120996656.9U CN215170123U (en) | 2021-05-11 | 2021-05-11 | Anchor rod supporting device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120996656.9U CN215170123U (en) | 2021-05-11 | 2021-05-11 | Anchor rod supporting device for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170123U true CN215170123U (en) | 2021-12-14 |
Family
ID=79368488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120996656.9U Expired - Fee Related CN215170123U (en) | 2021-05-11 | 2021-05-11 | Anchor rod supporting device for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837717A (en) * | 2022-07-04 | 2022-08-02 | 应急管理部国家自然灾害防治研究院 | Anchor cable reinforcing equipment for improving stability of tunnel surrounding rock in layered rock slope |
| CN116066077A (en) * | 2023-02-08 | 2023-05-05 | 中煤科工集团重庆研究院有限公司 | Device and method for pushing upward large-dip-angle long drill Kong Jiance sensor of coal stratum |
-
2021
- 2021-05-11 CN CN202120996656.9U patent/CN215170123U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837717A (en) * | 2022-07-04 | 2022-08-02 | 应急管理部国家自然灾害防治研究院 | Anchor cable reinforcing equipment for improving stability of tunnel surrounding rock in layered rock slope |
| CN114837717B (en) * | 2022-07-04 | 2022-09-13 | 应急管理部国家自然灾害防治研究院 | Anchor cable reinforcing equipment for improving stability of tunnel surrounding rock in layered rock slope |
| CN116066077A (en) * | 2023-02-08 | 2023-05-05 | 中煤科工集团重庆研究院有限公司 | Device and method for pushing upward large-dip-angle long drill Kong Jiance sensor of coal stratum |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |