CN214787476U

CN214787476U - Tunnel construction is with consolidating stock

Info

Publication number: CN214787476U
Application number: CN202120820806.0U
Authority: CN
Inventors: 李刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-11-19
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a reinforced anchor rod for tunnel construction, which is characterized in that double anchor heads are connected with the anchor rod in a threaded manner and are arranged in a drilled hole, an arc lengthened groove on the double anchor heads can improve the contact area between the double anchor heads and slurry after grouting, the slurry overflowing from a slurry outlet hole of the anchor heads improves the anchoring capacity of the double anchor heads, the length of the anchor rod can be adjusted by a connecting sleeve, the slurry overflows through a slurry outlet after a slurry channel is filled, the ribbed stripes on the anchor rod enhance the combination degree of the anchor rod and the slurry, the firmness of the anchor rod is enhanced, the contact areas between the anchor rod and the slurry are increased by convex blocks with different angles on the anchor rod, the anchor rod can be prevented from sliding and being damaged, the reinforcing effect is better realized, an elastic part in the connecting sleeve is extruded under the action of external force, the contact areas between the left extrusion device and the right extrusion device are increased, the reinforcing effect of a joint is improved, an arch-shaped backing plate can be adjusted according to the drilled hole, the stop plug prevents the slurry from flowing out of the borehole.

Description

Tunnel construction is with consolidating stock

Technical Field

The utility model relates to a tunnel construction technical field specifically is a tunnel construction is with consolidating stock.

Background

In the construction of tunnel construction engineering, the tunnel needs to be reinforced and protected, and the anchor rod is usually used for enhancing the construction safety, the existing anchor rod construction is generally that after a hole is drilled in a stratum, an anchor rod body is arranged in the drilled hole, and then cement paste or cement mortar is poured into a gap between the rod body and the wall of the drilled hole through a grouting pipe or a central hole of the anchor rod body for anchoring. The anchor rod is not high with the bonding degree of thick liquid after current anchor rod slip casting, and the anchor rod easily produces and slides, makes the fail safe nature of engineering receive the harm. Accordingly, one skilled in the art provides a reinforcement bolt for tunnel construction to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide a tunnel construction is with consolidating stock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a reinforced anchor rod for tunnel construction comprises double anchor heads, an anchor rod, a coupling sleeve, an arched base plate and a grout stop plug, wherein the double anchor heads are provided with two anchor heads, arc lengthened grooves are formed in the left side and the right side of the double anchor heads, a fixed head connecting plate is fixedly connected to the upper side of the double anchor heads, an anchor rod connecting rod is fixedly connected to the fixed head connecting plate, external threads are arranged at the top end of the anchor rod connecting rod and are connected with the anchor rod, internal threads are arranged at the bottom of the anchor rod and are connected with the internal threads, matched external threads are arranged at the top of the anchor rod, a protruding block is fixedly connected to the surface of the anchor rod, a grout channel is arranged inside the anchor rod, a liquid outlet is formed in the surface of the anchor rod, the external threads are connected with the coupling sleeve, and the coupling sleeve comprises a lower connecting piece, an upper connecting piece, a left extruding device and a right extruding device, the connecting piece is internally provided with a first matched internal thread, the first matched internal thread is in threaded connection with the external thread, the surface of the upper connecting piece is provided with a first matched external thread, the external thread is in threaded connection with the internal thread, an elastic piece is arranged between the lower connecting piece and the upper connecting piece, the top of the elastic piece is fixedly connected with the lower connecting piece, the bottom of the elastic piece is fixedly connected with the upper connecting piece, the left extruding device comprises a left first extruding rod, a left rotating shaft and a left second extruding rod, the left rotating shaft is rotatably connected with one end of the left first extruding rod and one end of the left second extruding rod, the other end of the left first extruding rod is movably connected with the bottom of the lower connecting piece, the other end of the left second extruding rod is movably connected with the top of the upper connecting piece, the right extruding device comprises a right first extruding rod, a right rotating shaft and a right second extruding rod, the utility model discloses a grout stop plug, including the first extrusion pole in right side pivot, the one end of the first extrusion pole in right side and right side second extrusion pole is rotated and is connected, the other end of the first extrusion pole in right side and the bottom swing joint of lower connecting piece, the other end and the last connecting piece top swing joint of right side second extrusion pole, stock upside threaded connection has the arch backing plate, the inside downside of arch backing plate is equipped with the supporting internal thread of second, the supporting internal thread of second and external screw thread threaded connection, arch backing plate upside is equipped with the supporting external screw thread of second, the supporting external screw thread threaded connection of second has the grout stop plug.

As a further aspect of the present invention: the fixed head connecting plate is provided with a fixed head grout outlet which penetrates through the fixed head connecting plate.

As a further aspect of the present invention: the anchor rod connecting rod, the anchor rod and the connecting sleeve are of hollow structures.

As a further aspect of the present invention: the surface of the anchor rod is provided with ribbed stripes.

As a further aspect of the present invention: the orientation of the protruding blocks is set at different angles.

As a further aspect of the present invention: the diameter of the elastic piece is the same as that of the lower connecting piece and the upper connecting piece.

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

when in use, the double-anchor-head is in threaded connection with the anchor rod and is arranged in a drilled hole, the arc elongated slot on the double-anchor-head can improve the contact area of the double-anchor-head and slurry after grouting, the slurry overflowing from the slurry outlet hole of the anchor head can improve the anchoring capacity of the double-anchor-head, the length of the anchor rod can be adjusted by the connecting sleeve, the slurry overflows through the slurry outlet after the slurry channel is full, the ribbed stripes on the anchor rod strengthen the combination degree of the anchor rod and the slurry, the firmness of the anchor rod is strengthened, the contact area of the anchor rod and the slurry is increased by the convex blocks with different angles on the anchor rod, the anchor rod can be prevented from sliding and being damaged, the better reinforcing effect is realized, the elastic part in the connecting sleeve is extruded under the action of external force, the distance between the lower connecting part and the upper connecting part is reduced, the angle between the left first extrusion rod and the left second extrusion rod and the angle between the right first extrusion rod and the right extrusion rod are reduced under the action of the left rotating shaft and the right rotating shaft, left side extrusion device and right extrusion device have increased the area of contact with the thick liquid, have improved the reinforcement effect of junction, and the arch backing plate can be adjusted according to drilling, ends the thick liquid stopper and can prevent that thick liquid from flowing out in the drilling.

Drawings

Fig. 1 is a schematic structural view of a reinforcing anchor rod for tunnel construction.

Fig. 2 is a schematic structural view of a bolt in a reinforcing bolt for tunnel construction.

Fig. 3 is a schematic structural view of a coupling sleeve in a reinforcing anchor rod for tunnel construction.

Fig. 4 is a schematic structural view of an arched shim plate in a reinforcing anchor rod for tunnel construction.

In the figure: 1-double anchoring heads, 2-connecting plates of the anchoring heads, 3-grout outlet holes of the anchoring heads, 4-arc elongated slots, 5-connecting rods of anchoring rods, 6-external threads, 7-anchoring rods, 8-ribbed stripes, 9-internal threads, 10-matched external threads, 11-convex blocks, 12-grout channels, 13-liquid outlets, 14-connecting sleeves, 15-lower connecting pieces, 16-upper connecting pieces, 17-left extrusion devices, 18-right extrusion devices, 19-first matched internal threads, 20-first matched external threads, 21-elastic pieces, 22-left first extrusion rods, 23-left rotating shafts, 24-left second extrusion rods, 25-right first extrusion rods, 26-right rotating shafts, 27-right second extrusion rods, 28-arched backing plate, 29-second matched internal thread, 30-second matched external thread and 31-grout stop plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a reinforced anchor rod for tunnel construction includes a double anchor head 1, an anchor rod 7, a coupling sleeve 14, an arched backing plate and a grout stop plug 31, wherein the double anchor head 1 is provided with two anchor heads, the left and right sides of the double anchor head 1 are provided with arc-shaped elongated slots 4, the upper side of the double anchor head 1 is fixedly connected with an anchor head connecting plate 2, the anchor head connecting plate 2 is fixedly connected with an anchor rod connecting rod 5, the top end of the anchor rod connecting rod 5 is provided with an external thread 6, the external thread 6 is in threaded connection with the anchor rod 7, the bottom of the anchor rod 7 is provided with an internal thread 9, the external thread 6 is in threaded connection with the internal thread 9, the top of the anchor rod 7 is provided with a matching external thread 10, the surface of the anchor rod 7 is fixedly connected with a convex block 11, a grout channel 12 is arranged inside the anchor rod 7, and the anchor rod 7 is provided with a liquid outlet 13 on the surface, the connecting sleeve 14 is connected with the external thread 10 through threads, the connecting sleeve 14 comprises a lower connecting piece 15, an upper connecting piece 16, a left extruding device 17 and a right extruding device 18, a first matched internal thread 19 is arranged inside the connecting piece 15, the first matched internal thread 19 is in threaded connection with the external thread 10, a first matched external thread 20 is arranged on the surface of the upper connecting piece 16, the external thread 20 is in threaded connection with an internal thread 9, an elastic piece 21 is arranged between the lower connecting piece 15 and the upper connecting piece 16, the top of the elastic piece 21 is fixedly connected with the lower connecting piece 15, the bottom of the elastic piece 21 is fixedly connected with the upper connecting piece 16, the left extruding device 17 comprises a left first extruding rod 22, a left rotating shaft 23 and a left second extruding rod 24, the left rotating shaft 23 is rotatably connected with one ends of the left first extruding rod 22 and the left second extruding rod 24, and the other end of the left first extruding rod 22 is movably connected with the bottom of the lower connecting piece 15, the other end and the last 16 top swing joint of connecting piece of left side second squeeze bar 24, right side extrusion device 18 includes the first squeeze bar 25 in right side, right side pivot 26 and right side second squeeze bar 27, right side pivot 26 rotates with the one end of the first squeeze bar 25 in right side and right side second squeeze bar 27 to be connected, the other end of the first squeeze bar 25 in right side and the bottom swing joint of lower connecting piece 15, the other end and the 16 top swing joint of last connecting piece of right side second squeeze bar 27, side threaded connection has arch backing plate 28 on the stock 7, the inside downside of arch backing plate 28 is equipped with the supporting internal thread 29 of second, the supporting internal thread 29 of second and external screw thread 10 threaded connection, the supporting external screw thread 30 of arch backing plate 28 upside is equipped with the supporting external screw thread 30 of second, the supporting external screw thread 30 threaded connection of second has only thick liquid stopper 30.

The fixed head connecting plate 2 is provided with a fixed head grout outlet 3 penetrating through the fixed head connecting plate 2.

The anchor rod connecting rod 5, the anchor rod 7 and the connecting sleeve 14 are of hollow structures.

The surface of the anchor rod 7 is provided with ribbed stripes 8.

The orientation of the protruding blocks 11 is set at different angles.

The diameter of the elastic member 21 is the same as that of the lower and

upper connection members

15 and 16.

The utility model discloses a theory of operation is:

the utility model relates to a tunnel construction is with reinforcing stock, when using, with two anchor head 1 threaded connection stock 7, and pack into the hole that drills, arc elongated slot 4 on two anchor head 1 can improve the area of contact of two anchor head 1 and thick liquid after the slip casting, thick liquid that solid head grout hole 3 spills over improves the anchoring ability of two anchor head 1, coupling sleeve 14 can adjust the length of stock 7, thick liquid overflows through liquid outlet 13 after thick liquid corridor 12 is full, ribbed stripe 8 on stock 7 strengthens the associativity of stock 7 and mortar, strengthen the fastness of stock 7, protruding piece 11 of different angles on stock 7 has increased the area of contact of stock 7 and thick liquid, can prevent the stock from sliding and destroying, better realization reinforcement effect, elastic component 21 in coupling sleeve 14 receives the extrusion under the effect of external force, the distance between lower connecting piece 15 and upper connecting piece 16 reduces, the angle between the left first extrusion rod 22 and the left second extrusion rod 24 and the angle between the right first extrusion rod 25 and the right second extrusion rod 27 are reduced under the action of the left rotating shaft 23 and the right rotating shaft 26, the contact area between the left extrusion device 17 and the right extrusion device 18 and the slurry is increased, the reinforcing effect of the joint is improved, the arched base plate 28 can be adjusted according to the drilled hole, and the slurry stop plug 30 can prevent the slurry from flowing out of the drilled hole.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A reinforced anchor rod for tunnel construction comprises two anchor heads (1), an anchor rod (7), a coupling sleeve (14), an arched base plate and a grout stop plug (31), and is characterized in that the two anchor heads (1) are provided with two anchor heads, arc-shaped elongated grooves (4) are formed in the left side and the right side of the two anchor heads (1), an upper side of the two anchor heads (1) is fixedly connected with an anchor head connecting plate (2), the anchor head connecting plate (2) is fixedly connected with an anchor rod connecting rod (5), an external thread (6) is arranged at the top end of the anchor rod connecting rod (5), the external thread (6) is in threaded connection with the anchor rod (7), an internal thread (9) is arranged at the bottom of the anchor rod (7), the external thread (6) is in threaded connection with the internal thread (9), a matched external thread (10) is arranged at the top of the anchor rod (7), and a convex block (11) is fixedly connected to the surface of the anchor rod (7), the anchor rod (7) is internally provided with a slurry channel (12), the anchor rod (7) is provided with a liquid outlet (13) on the surface, the matched external thread (10) is in threaded connection with a coupling sleeve (14), the coupling sleeve (14) comprises a lower connecting piece (15), an upper connecting piece (16), a left extruding device (17) and a right extruding device (18), the lower connecting piece (15) is internally provided with a first matched internal thread (19), the first matched internal thread (19) is in threaded connection with the matched external thread (10), the upper connecting piece (16) is provided with a first matched external thread (20) on the surface, the first matched external thread (20) is in threaded connection with the internal thread (9), an elastic piece (21) is arranged between the lower connecting piece (15) and the upper connecting piece (16), the top of the elastic piece (21) is fixedly connected with the lower connecting piece (15), and the bottom of the elastic piece (21) is fixedly connected with the upper connecting piece (16), the left extrusion device (17) comprises a left first extrusion rod (22), a left rotating shaft (23) and a left second extrusion rod (24), the left rotating shaft (23) is rotatably connected with one end of the left first extrusion rod (22) and one end of the left second extrusion rod (24), the other end of the left first extrusion rod (22) is movably connected with the bottom of the lower connecting piece (15), the other end of the left second extrusion rod (24) is movably connected with the top of the upper connecting piece (16), the right extrusion device (18) comprises a right first extrusion rod (25), a right rotating shaft (26) and a right second extrusion rod (27), the right rotating shaft (26) is rotatably connected with one ends of the right first extrusion rod (25) and the right second extrusion rod (27), the other end of the right first extrusion rod (25) is movably connected with the bottom of the lower connecting piece (15), the other end and last connecting piece (16) top swing joint of right side second extrusion ram (27), stock (7) upside threaded connection has arch backing plate (28), the inside downside of arch backing plate (28) is equipped with the supporting internal thread of second (29), the supporting internal thread of second (29) and supporting external screw thread (10) threaded connection, arch backing plate (28) upside is equipped with the supporting external screw thread of second (30), the supporting external screw thread of second (30) threaded connection has only thick liquid stopper (31).

2. The reinforcement anchor rod for tunnel construction according to claim 1, wherein the fixed head connecting plate (2) is provided with a fixed head grout outlet (3) penetrating through the fixed head connecting plate (2).

3. The reinforcement anchor rod for tunnel construction according to claim 1, wherein the anchor rod connecting rod (5), the anchor rod (7) and the coupling sleeve (14) are hollow structures.

4. A reinforcing anchor for tunnel construction according to claim 1, characterized in that the surface of the anchor (7) is provided with ribbed striations (8).

5. A reinforcement anchor for tunnel construction according to claim 1, characterised in that the projections (11) are oriented at different angles.

6. A reinforcement bolt for tunnel construction according to claim 1, characterised in that the diameter of the elastic member (21) is the same as the diameter of the lower and upper connecting members (15, 16).