CN212027838U

CN212027838U - Anchor rod supporting device for tunnel construction

Info

Publication number: CN212027838U
Application number: CN202020785905.5U
Authority: CN
Inventors: 陆强; 郑小刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-11-27
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a bolting device for tunnel construction, belonging to the technical field of tunnel construction; its technical essential includes the stock main part, the one end of stock main part is provided with the anchor head, the one end fixedly connected with drill bit of stock main part is kept away from to the anchor head, a plurality of stationary dogs that are the annular array and distribute of outside fixedly connected with of anchor head, the middle part outside fixedly connected with fish scale layer of stock main part, the other end outside of stock main part is provided with locating component. The utility model discloses a be provided with the drill bit on the anchor head, the drill bit can insert in the rock, is convenient for increase the steadiness of this device, and the fish scale layer in the overhead a plurality of stationary dogs cooperation stock main part of anchor has improved the resistance to plucking intensity of this device, through be provided with the fixed plate in the stock main part, and the fixed plate passes through fixed pin and rock fixed connection, has improved the stability of this device.

Description

Anchor rod supporting device for tunnel construction

Technical Field

The utility model relates to a tunnel construction field, more specifically say, especially relate to 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 design of the anchor rod 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 number of the anchor rod. 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a stable high anchor bolt supporting device for tunnel construction.

The technical scheme of the utility model is realized like this: a supporting device for a tunnel construction anchor rod comprises an anchor rod main body, wherein one end of the anchor rod main body is provided with an anchor head, one end of the anchor head, which is far away from the anchor rod main body, is fixedly connected with a drill bit, the outer side of the anchor head is fixedly connected with a plurality of fixing claws distributed in an annular array, the outer side of the middle part of the anchor rod main body is fixedly connected with a fish scale layer, the outer side of the other end of the anchor rod main body is provided with a positioning component, one side of the positioning component is provided with a fixing plate, the fixing plate is sleeved on the outer side of the other end of the anchor rod main body, the edge of the fixing plate is fixedly connected with a plurality of fixing pins distributed in an annular array, one side of the fixing plate, which is far away from the positioning component, is provided with a locking nut, first thread groove has been seted up to the other end of stock main part, first thread groove and first screw looks adaptation, the other end of connecting block is provided with a backplate.

As a further scheme of the invention: the anchor rod comprises an anchor rod body and is characterized in that a second screw groove is formed in one end of the anchor head, a second screw is fixedly connected to one end of the anchor rod body, and the second screw is matched with the second screw groove.

As a further scheme of the invention: the other end of the connecting block is provided with a polygonal groove, the middle part of one side of the supporting and protecting plate is fixedly connected with a polygonal inserting plate, the polygonal inserting plate is matched with the polygonal groove, and the polygonal inserting plate is positioned in the polygonal groove.

As a further scheme of the invention: the polygonal inserting plate is characterized in that a through groove is formed in the side wall of the middle of the polygonal groove, a locking pin penetrates through the through groove, a positioning groove matched with the locking pin is formed in the middle of the polygonal inserting plate, and the positioning groove is connected with the locking pin in a penetrating mode.

As a further scheme of the invention: the locating component comprises an annular locating plate, limiting sliding blocks are fixedly connected to two ends of the inner side of the annular locating plate, limiting sliding grooves are formed in two sides of the other end of the anchor rod main body, and the limiting sliding blocks are located in the limiting sliding grooves.

As a further scheme of the invention: the utility model discloses a fixed plate, including annular locating plate, attaching plate and fixed plate, the outside one end fixedly connected with of annular locating plate is a plurality of locating pawls that are annular array and distribute, the outside other end fixedly connected with attaching plate of annular locating plate, attaching plate is connected with one side laminating of fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the drill bit is arranged on the anchor head, the drill bit can be inserted into rocks, the stability of the device is convenient to increase, the fish scale layer on the anchor head is matched with the plurality of fixing claws on the anchor head, the pulling strength of the device is improved, and the fixing plate is fixedly connected with the rocks through the fixing pins and improves the stability of the device;

2. through being provided with locating component in the stock main part, the locating claw that the annular positioning board on the locating component cooperates on it plays and can prevent that the stock main part from rotating, has improved the stability of this device, and it is spacing on the connecting block with the supporting plate through polygonal groove and polygon picture peg for supporting plate convenient to detach installs, can be spacing fixed with polygonal groove and polygon picture peg through stop pin and constant head tank, and then will prop up the spacing fixed of board and connecting block, further improved the stability of this device.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

FIG. 2 is a schematic side sectional view of the polygonal inserting plate structure of the present invention;

FIG. 3 is a schematic sectional view of the positioning assembly of the present invention;

fig. 4 is a schematic side sectional view of the annular positioning plate structure of the present invention.

In the figure: 1. an anchor body; 2. an anchor head; 3. a drill bit; 4. a fixed jaw; 5. a fish scale layer; 6. a positioning assembly; 7. a fixing plate; 8. a fixing pin; 9. locking the nut; 10. connecting blocks; 11. a first screw; 12. a first screw groove; 13. supporting the guard plate; 14. a second screw groove; 15. a second screw; 16. a polygonal groove; 17. a polygonal inserting plate; 18. a through groove; 19. a locking pin; 20. positioning a groove; 21. an annular positioning plate; 22. a limiting slide block; 23. a limiting chute; 24. a positioning claw; 25. and (7) laminating the plates.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The utility model provides a supporting device for a tunnel construction anchor rod as shown in figures 1-4, which comprises an anchor rod main body 1, wherein one end of the anchor rod main body 1 is provided with an anchor head 2, one end of the anchor head 2 far away from the anchor rod main body 1 is fixedly connected with a drill bit 3, the outer side of the anchor head 2 is fixedly connected with a plurality of fixing claws 4 distributed in an annular array, the arrangement of the fixing claws 4 improves the pulling strength of the anchor rod main body 1, the outer side of the middle part of the anchor rod main body 1 is fixedly connected with a fish scale layer 5, the arrangement of the fish scale layer 5 further improves the pulling strength of the anchor rod main body 1, the outer side of the other end of the anchor rod main body 1 is provided with a positioning component 6, one side of the positioning component 6 is provided with a fixing plate 7, the fixing plate 7 is sleeved outside the other end of the anchor rod main body 1, the edge of the fixing plate 7 is fixedly connected with, locking nut 9 is connected with stock main part 1 through internal and external screw thread, locking nut 9 compresses tightly fixed plate 7 spacing, the stability of this device has been improved, the other end of stock main part 1 is provided with connecting block 10, the first screw 11 of the one end middle part fixedly connected with of connecting block 10, first thread groove 12 has been seted up to the other end of stock main part 1, first thread groove 12 and first screw 11 looks adaptation, can be with connecting block 10 and stock main part 1 spacing fixed, the other end of connecting block 10 is provided with a backplate 13, second thread groove 14 has been seted up to the one end of anchor head 2, the one end fixedly connected with second screw 15 of stock main part 1, second screw 15 and the 14 looks adaptations of second thread groove, can be with stock main part 1 and the anchor head 2 spacing fixed.

As shown in fig. 2, a polygonal groove 16 is formed at the other end of the connecting block 10, a polygonal inserting plate 17 is fixedly connected to the middle portion of one side of the supporting plate 13, the polygonal inserting plate 17 is matched with the polygonal groove 16, the polygonal inserting plate 17 is located in the polygonal groove 16, a through groove 18 is formed in the side wall of the middle portion of the polygonal groove 16, a locking pin 19 is penetratingly connected into the through groove 18, a positioning groove 20 matched with the locking pin 19 is formed in the middle portion of the polygonal inserting plate 17, the positioning groove 20 is penetratingly connected with the locking pin 19, and the positioning groove 20 is matched with the locking pin 19 to limit and fix the polygonal groove 16 and the polygonal inserting plate 17, so that the.

As shown in fig. 3 and 4, locating component 6 includes annular locating plate 21, the equal fixedly connected with spacing slider 22 in inboard both ends of annular locating plate 21, spacing spout 23 has all been seted up to the other end both sides of stock main part 1, spacing slider 22 is located spacing spout 23, a plurality of positioning claw 24 that are annular array and distribute of outside one end fixedly connected with of annular locating plate 21, positioning claw 24 can fix a position annular locating plate 21, annular locating plate 21 passes through spacing slider 22 and spacing spout 23 with stock main part 1 spacing fixed, the outside other end fixedly connected with rigging plate 25 of annular locating plate 21, rigging plate 25 is connected with one side laminating of fixed plate 7, rigging plate 25 sets up the stability that has improved annular locating plate 21.

The utility model discloses the theory of operation: when the device is installed, firstly, a punching device is utilized to punch holes on rock, then an anchor rod main body 1 is inserted into the hole, a drill bit 3 is arranged on an anchor head 2 at one end of the anchor rod main body 1, the drill bit 3 can drill into the rock, then slurry is injected into the hole, after the slurry is injected, an annular positioning plate 21 on a positioning assembly 6 is sleeved on the anchor rod main body 1, a limiting slide block 22 is inserted into a limiting slide groove 23 until a positioning claw 24 on the annular positioning plate 21 is clamped into the rock, then a fixing plate 7 is sleeved on the anchor rod main body 1, so that the fixing plate 7 is attached to an attaching plate 25 on the annular positioning plate 21, then the fixing plate 7 is screwed on the anchor rod main body 1 through a locking nut 9, the fixing plate 7 is pressed tightly, then the fixing plate 7 is fixedly connected with the rock through a fixing pin 8, and then a connecting block 10 is fixed on the, then the polygonal inserting plate 17 on the supporting plate 13 is inserted into the polygonal groove 16 on the connecting block 10, and then the polygonal groove 16 and the polygonal inserting plate 17 are limited and fixed through the locking pin 19, so that the supporting plate 13 and the connecting block 10 are limited and fixed, and the device is installed.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims

1. The utility model provides a be used for tunnel construction anchor bolt supporting device which characterized in that: the anchor rod comprises an anchor rod main body (1), wherein one end of the anchor rod main body (1) is provided with an anchor head (2), one end of the anchor head (2) far away from the anchor rod main body (1) is fixedly connected with a drill bit (3), the outer side of the anchor head (2) is fixedly connected with a plurality of fixing claws (4) distributed in an annular array, the outer side of the middle part of the anchor rod main body (1) is fixedly connected with a fish scale layer (5), the outer side of the other end of the anchor rod main body (1) is provided with a positioning component (6), one side of the positioning component (6) is provided with a fixing plate (7), the fixing plate (7) is sleeved on the outer side of the other end of the anchor rod main body (1), the edge of the fixing plate (7) is fixedly connected with a plurality of fixing pins (8) distributed in an annular array, one side of the fixing plate (7) far away from the positioning component (6, the other end of stock main part (1) is provided with connecting block (10), the first screw (11) of one end middle part fixedly connected with of connecting block (10), first thread groove (12) have been seted up to the other end of stock main part (1), first thread groove (12) and first screw (11) looks adaptation, the other end of connecting block (10) is provided with a backplate (13).

2. The anchor supporting device for tunnel construction according to claim 1, wherein one end of the anchor head (2) is provided with a second screw groove (14), one end of the anchor rod body (1) is fixedly connected with a second screw (15), and the second screw (15) is matched with the second screw groove (14).

3. The anchor support device for tunnel construction according to claim 1, wherein a polygonal groove (16) is formed at the other end of the connecting block (10), a polygonal inserting plate (17) is fixedly connected to the middle of one side of the support plate (13), the polygonal inserting plate (17) is matched with the polygonal groove (16), and the polygonal inserting plate (17) is positioned in the polygonal groove (16).

4. The bolting device for tunnel construction according to claim 3, wherein a through groove (18) is formed on the side wall of the middle part of said polygonal groove (16), a locking pin (19) is penetratingly connected in said through groove (18), a positioning groove (20) adapted to said locking pin (19) is formed in the middle part of said polygonal inserting plate (17), and said positioning groove (20) is penetratingly connected with said locking pin (19).

5. The anchor support device for tunnel construction according to claim 1, wherein the positioning assembly (6) comprises an annular positioning plate (21), both ends of the inner side of the annular positioning plate (21) are fixedly connected with limiting sliding blocks (22), both sides of the other end of the anchor rod main body (1) are provided with limiting sliding grooves (23), and the limiting sliding blocks (22) are located in the limiting sliding grooves (23).

6. The anchor support device for tunnel construction according to claim 5, characterized in that a plurality of locating claws (24) distributed in an annular array are fixedly connected to one end of the outer side of the annular locating plate (21), an attaching plate (25) is fixedly connected to the other end of the outer side of the annular locating plate (21), and the attaching plate (25) is attached to one side of the fixing plate (7).