CN210948739U

CN210948739U - Anchor rod for reinforcing tunnel construction

Info

Publication number: CN210948739U
Application number: CN201922021466.0U
Authority: CN
Inventors: 王小林; 赵凯
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-07
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a tunnel construction consolidates stock, including the stock mobile jib, stock mobile jib lower extreme is provided with the pointed end, most advanced central point puts the vertical silo that leaks of having seted up, stock mobile jib upper end is provided with the extrusion device, the draw-in groove has been seted up to extrusion device lower extreme, and the draw-in groove internal surface encircles and is provided with the screw thread, the inside central point of extrusion device puts and alternates perpendicularly and is provided with the screw rod, the perpendicular fixed connection in carousel right side upper end is provided with the crank, the horizontal fixed connection of screw rod lower extreme is provided with the extrusion piece, the inside lower extreme horizontally connect of. The utility model discloses extrusion piece extrusion cement slurry for cement slurry oozes through barb and stock mobile jib junction, oozes downwards through leaking the silo simultaneously, increases the infiltration ability of cement slurry, waits to increase the stability of whole device after the cement slurry solidifies, improves the anchor effect, and use the backward rotation extrusion device after accomplishing and can take off the extrusion device, convenient reuse.

Description

Anchor rod for reinforcing tunnel construction

Technical Field

The utility model relates to a tunnel construction equipment field specifically is a tunnel construction consolidates stock.

Background

At present, in the reinforcement protection construction in tunnel, need use the stock to strengthen the security of construction, current stock construction is generally behind the drilling in the stratum, pack the stock body of rod into the drilling, pour into grout or cement mortar in the space between the body of rod and drilling hole wall through slip casting pipe or stock body of rod centre bore again and anchor, but because cement mobility is not strong itself, lead to hardly to go deep into to lead to the anchor effect not strong in the gap, anchor itself anchor effect is less strong simultaneously, the pole outside is smooth to go deep into the soil layer easily, also be extracted out easily simultaneously, so need a device to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel construction consolidates stock to solve and to provide in the above-mentioned background art because cement itself mobility is not strong, lead to hardly to go deep into to lead to the anchor effect not strong in the gap, anchor rod itself anchor effect is more weak simultaneously, and the soil layer is gone deep into easily in the pole outside is smooth, the problem that also is extracted simultaneously easily.

In order to achieve the above object, the utility model provides a following technical scheme: a reinforcing anchor rod for tunnel construction comprises an anchor rod main rod, wherein the lower end of the anchor rod main rod is provided with a tip end, a material leaking groove is vertically arranged at the center of the tip, an extrusion device is arranged at the upper end of the anchor rod main rod, the lower end of the extrusion device is provided with a clamping groove, the inner surface of the clamping groove is provided with threads in a surrounding manner, the central position in the extrusion device is vertically and alternately provided with a screw rod, the upper end of the screw rod is horizontally and fixedly connected with a turntable, the upper end of the right side of the turntable is vertically and fixedly connected with a crank handle, the lower end of the screw rod is horizontally and fixedly connected with an extrusion block, the lower end inside the anchor rod main rod is horizontally connected with a cross-shaped support rod, the cross bracing piece central point puts fixed connection and is provided with the ring, ring central point puts and alternates perpendicularly and is provided with the movable rod, movable rod upper end and stock mobile jib upper end level, the even fixed connection in stock mobile jib outside is provided with a plurality of barb.

Preferably, two sides of the upper end of the anchor rod main rod are horizontally provided with limiting blocks.

Preferably, the outer surface of the extrusion device is provided with an anti-skid soft cushion in a surrounding mode.

Preferably, the outer side of the crank is provided with anti-slip lines in a surrounding mode.

Preferably, a rubber pad is covered and arranged on the inner side of the circular ring.

Preferably, a connecting rod is connected between the inner side of the barb and the movable rod.

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

1. when the movable rod is utilized to move downwards, the connecting rod pushes the barb outwards, so that the barb is embedded into the soil layer outside the main rod of the anchor rod, the main rod of the anchor rod is not easy to be drawn out, and the anchoring property of the device is improved;

2. the utility model discloses extrusion piece extrusion cement slurry for cement slurry oozes through barb and stock mobile jib junction, oozes downwards through leaking the silo simultaneously, increases the infiltration ability of cement slurry, waits to increase the stability of whole device after the cement slurry solidifies, improves the anchor effect, and use the backward rotation extrusion device after accomplishing and can take off the extrusion device, convenient reuse.

Drawings

Fig. 1 is a schematic view of the overall structure of a reinforcing anchor rod for tunnel construction of the utility model;

FIG. 2 is a schematic view of a cross-shaped support rod of the reinforced anchor rod for tunnel construction;

fig. 3 is the utility model relates to an extrusion device schematic structure in anchor rod is consolidated in tunnel construction.

In the figure: 1. an anchor rod main rod; 2. a tip; 3. a limiting block; 4. a material leaking groove; 5. an extrusion device; 6. an anti-slip soft cushion; 7. a turntable; 8. a screw; 9. extruding the block; 10. a movable rod; 11. a cross support bar; 12. a barb; 13. a connecting rod; 14. a circular ring; 15. a crank; 16. a rubber pad; 17. a clamping groove.

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. 1-3, the present invention provides a technical solution: a tunnel construction reinforcement anchor rod comprises an anchor rod main rod 1, wherein two sides of the upper end of the anchor rod main rod 1 are horizontally provided with limiting blocks 3, the limiting blocks 3 are convenient for limiting the position of the anchor rod main rod 1, the lower end of the anchor rod main rod 1 is provided with a tip 2, the tip 2 is convenient for the anchor rod main rod 1 to go deep into a soil layer, the central position of the tip 2 is vertically provided with a material leakage groove 4, the material leakage groove 4 is convenient for cement paste to pass through, the upper end of the anchor rod main rod 1 is provided with an extrusion device 5, the outer surface of the extrusion device 5 is provided with an anti-slip soft cushion 6 in a surrounding manner, the lower end of the extrusion device 5 is provided with a clamping groove 17, the inner surface of the clamping groove 17 is provided with threads in a surrounding manner, the extrusion device 5 is connected, the upper end of the screw 8 is horizontally and fixedly connected with a rotary table 7, the upper end of the right side of the rotary table 7 is vertically and fixedly connected with a crank 15, the outer side of the crank 15 is surrounded by anti-skid grains, the crank 15 is held to rotate the rotary table 7 so as to rotate the screw 8, the lower end of the screw 8 is horizontally and fixedly connected with an extrusion block 9, the screw 8 drives the extrusion block 9 to move up and down along an extrusion device 5, the lower end of the inner part of the anchor rod main rod 1 is horizontally and fixedly connected with a cross-shaped support rod 11, the central position of the cross-shaped support rod 11 is fixedly connected with a ring 14, the inner side of the ring 14 is covered with a rubber pad 16, the rubber pad 16 is convenient for increasing the inner surface friction force of the ring 14, the central position of the ring 14 is vertically and alternately provided with a movable rod 10, the upper end of the movable rod 10 is horizontal, the barb 12 rotates around the lower end of the barb, a connecting rod 13 is connected between the inner side of the barb 12 and the movable rod 10, and the connecting rod 13 rotates around the barb 12 and the movable rod 10.

The working principle is as follows: when the anchor rod main rod 1 is used, the anchor rod main rod 1 is placed in a through hole drilled in advance, the anchor rod main rod 1 easily enters the through hole by using the tip 2, the anchor rod main rod stops until the position of the limiting block 3, cement slurry is filled into the anchor rod main rod 1, the cement slurry is enabled to be flush with the position of the limiting block 3, then the anti-skidding cushion 6 is held to enable the extrusion device 5 to be sleeved at the upper end position of the anchor rod main rod 1 to rotate, the extrusion device 5 is fixed with the anchor rod main rod 1 by using threads surrounded by the inner surface of the clamping groove 17, then a user holds the crank 15 to rotate the rotary table 7 to drive the screw rod 8 to rotate, so that the screw rod 8 drives the extrusion block 9 to move downwards, the extrusion block 9 moves to the upper end position of the movable rod 10, then the movable rod 10 moves downwards along the circular ring 14, the connecting rod 13 pushes the, thereby increase the anchorage nature of device to extrusion piece 9 extrusion grout for grout oozes through barb 12 and stock mobile jib 1 junction, oozes downwards through leaking silo 4 simultaneously, increases the infiltration ability of grout, waits to increase the stability of whole device after the grout solidifies, improves the anchor effect, uses behind the completion backward rotation extrusion device 5 can take off extrusion device 5, makes things convenient for reuse.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel construction consolidates stock, includes stock mobile jib (1), its characterized in that: the anchor rod is characterized in that a tip (2) is arranged at the lower end of the anchor rod main rod (1), a material leaking groove (4) is vertically formed in the center of the tip (2), an extruding device (5) is arranged at the upper end of the anchor rod main rod (1), a clamping groove (17) is formed in the lower end of the extruding device (5), threads are arranged on the inner surface of the clamping groove (17) in a surrounding mode, a screw rod (8) is vertically and alternately arranged in the center of the extruding device (5), a rotary table (7) is horizontally and fixedly connected to the upper end of the screw rod (8), a crank (15) is vertically and fixedly connected to the upper end of the right side of the rotary table (7), an extruding block (9) is horizontally and fixedly connected to the lower end of the screw rod (8), a cross support rod (11) is horizontally, the anchor rod is characterized in that a movable rod (10) is vertically inserted into the center of the circular ring (14), the upper end of the movable rod (10) is horizontal to the upper end of the anchor rod main rod (1), and a plurality of barbs (12) are uniformly and fixedly connected to the outer side of the anchor rod main rod (1).

2. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: and two sides of the upper end of the anchor rod main rod (1) are horizontally provided with limit blocks (3).

3. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the outer surface of the extrusion device (5) is provided with an anti-skid soft cushion (6) in a surrounding way.

4. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the outer side of the crank (15) is provided with anti-skid lines in a surrounding mode.

5. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the inner side of the circular ring (14) is covered with a rubber pad (16).

6. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: a connecting rod (13) is connected between the inner side of the barb (12) and the movable rod (10).