CN219826881U - High-strength anti-deformation grouting anchor rod - Google Patents

Abstract

The utility model discloses a high-strength anti-deformation grouting anchor rod, which relates to the technical field of grouting anchor rods, and aims at realizing the fixation between an anchor rod body and an anchor head by driving a fixed pin to move and be clamped only through the elasticity of a spring, and the following scheme is provided for solving the problem of low fixation stability between the anchor rod body and the anchor head, and comprises the following steps: the anchor comprises an anchor rod body and an anchor head, wherein a threaded clamping shaft is fixedly arranged at the bottom end of the anchor rod body, a clamping groove is formed in the anchor head, a group of internal threads are formed in the inner wall of the clamping groove, and the threaded clamping shaft is matched with the internal threads; the bottom side of screw thread card axle is fixed mounting has the fixed block, the jack has been seted up on the fixed block. The utility model has reasonable structural design, can realize further fixation by a plugging fixation mode after the fixation between the anchor rod body and the anchor head is realized by threaded connection, and has high fixation stability for the anchor rod body and the anchor head.

Description

High-strength anti-deformation grouting anchor rod

Technical Field

The utility model relates to the technical field of grouting anchors, in particular to a high-strength anti-deformation grouting anchor.

Background

With the increase of coal resource exploitation depth and intensity, deep and soft rock mine roadway support is more and more difficult, anchor grouting support is more and more important, the use amount of hollow grouting anchor rods is more and more, the hollow grouting anchor rods are anchor rods for support and also serve as grouting pipes, grouting materials are filled into surrounding rock cracks to strengthen surrounding rock, and meanwhile anchor rod holes are filled to realize full-length anchoring of the anchor rods.

The patent of the utility model with the publication number of CN214196367U discloses a high-strength hollow grouting anchor rod which comprises an anchor rod body and an anchor head. According to the utility model, the right end of the anchor rod body is inserted into the mounting groove of the anchor head through the limiting groove and the limiting block in sliding connection, the spring is fixedly arranged at the bottom side of the adjusting block, the adjusting block can be pushed to move upwards in the adjusting groove through the elastic force of the spring, the adjusting block can further push the four groups of fixing pins to move upwards and insert into the corresponding fixing grooves, the anchor rod body is further fixedly connected with the anchor head, the four groups of fixing pins are pushed to move out of the fixing grooves and are retracted into the adjusting grooves, and the anchor head can be detached, so that the anchor head is convenient and quick.

However, the above design has the disadvantage that the fixing pin is driven to move and be clamped only by the elastic force of the spring, so that the fixing between the anchor rod body and the anchor head is realized, and the fixing stability between the anchor rod body and the anchor head is not high.

Disclosure of Invention

The utility model aims to solve the problem that the fixing stability between the anchor body and the anchor head is not high because the fixing pin is driven to move and clamped by the elastic force of the spring, and provides a high-strength anti-deformation grouting anchor rod.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high strength, deformation resistant grouting bolt comprising:

the anchor comprises an anchor rod body and an anchor head, wherein a threaded clamping shaft is fixedly arranged at the bottom end of the anchor rod body, a clamping groove is formed in the anchor head, a group of internal threads are formed in the inner wall of the clamping groove, and the threaded clamping shaft is matched with the internal threads;

the bottom side fixed mounting of screw thread card axle has the fixed block, the jack has been seted up on the fixed block, the ring channel has been seted up in the outside of anchor head, sliding in the ring channel is provided with the lantern ring, the inboard of lantern ring is fixed and is provided with the ring gear, set up two on the inner wall of draw-in groove with the cross bore that the ring channel is linked together, two all rotate in the cross bore and install the gear, the ring gear with two the gear meshes, two all weld on the gear has the circle axle, two the outside of circle axle all movable sleeve is equipped with sliding frame, two all fixed the be provided with the inserted bar on the sliding frame, two the inserted bar all with jack looks adaptation.

In a preferred embodiment, two annular limiting grooves are formed in the inner wall of the annular groove, two limiting rings are fixedly arranged on the lantern ring, and the two limiting rings are connected in the corresponding annular limiting grooves in a sliding mode.

In a preferred embodiment, connecting shafts are rotatably mounted on the inner walls of the two transverse holes, and the two gears are fixedly connected with the corresponding connecting shafts.

In a preferred embodiment, two insert rods are fixedly provided with limiting blocks, the inner walls of two transverse holes are provided with limiting grooves, and the limiting blocks on the same side are in sliding connection with the corresponding limiting grooves.

In a preferred embodiment, the two limiting grooves are fixedly provided with limiting shafts, and the limiting blocks on the same side are sleeved on the outer sides of the corresponding limiting shafts in a sliding manner.

In a preferred embodiment, springs are fixedly arranged on the two limiting blocks, and the springs on the same side are fixedly arranged on the inner walls of the corresponding limiting grooves.

According to the high-strength anti-deformation grouting anchor rod, the anchor rod body, the anchor head, the threaded clamping shaft, the clamping groove and the internal threads arranged in the clamping groove are matched together, so that the anchor rod body and the anchor head can be conveniently connected through threaded connection;

according to the high-strength anti-deformation grouting anchor rod, after the anchor rod body and the anchor head are connected, stable fixation of the anchor rod body and the anchor head can be realized through splicing by means of meshed transmission of the anchor head, the annular groove, the lantern ring, the toothed ring and the two gears, the joint cooperation of the two circular shafts, the two sliding frames, the two inserted rods, the two limiting blocks, the two limiting grooves, the two springs, the fixed blocks and the jacks, and the stability is good;

drawings

Fig. 1 is a schematic perspective view of a high-strength anti-deformation grouting anchor rod according to the present utility model;

fig. 2 is a schematic diagram of a split structure of a bolt body and a bolt head of a high-strength anti-deformation grouting bolt provided by the utility model;

fig. 3 is a schematic diagram of a split structure of an anchor head of a high-strength anti-deformation grouting anchor rod provided by the utility model;

fig. 4 is a schematic structural view of a portion a of a high-strength deformation-preventing grouting bolt according to the present utility model.

In the figure: 1. an anchor body; 2. an anchor head; 3. a thread clamping shaft; 4. a clamping groove; 5. an internal thread; 6. a fixed block; 7. a jack; 8. an annular groove; 9. a collar; 10. a toothed ring; 11. a transverse hole; 12. a gear; 13. a circular shaft; 14. a sliding frame; 15. a rod; 16. a limiting block; 17. a limit groove; 18. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, one embodiment of the present solution provides: a high strength, deformation resistant grouting bolt comprising:

the anchor rod comprises an anchor rod body 1 and an anchor head 2, wherein a threaded clamping shaft 3 is fixedly arranged at the bottom end of the anchor rod body 1, a clamping groove 4 is formed in the anchor head 2, a group of internal threads 5 are formed in the inner wall of the clamping groove 4, and the threaded clamping shaft 3 is matched with the internal threads 5;

the bottom side fixed mounting of screw thread card axle 3 has fixed block 6, has seted up jack 7 on the fixed block 6, and ring channel 8 has been seted up in the outside of anchor head 2, and the slip is provided with lantern ring 9 in the ring channel 8, and the inboard of lantern ring 9 is fixed to be provided with ring gear 10, has seted up two transverse holes 11 that are linked together with ring channel 8 on the inner wall of draw-in groove 4, all rotates in two transverse holes 11 and installs gear 12, and ring gear 10 meshes with two gears 12, has all welded round axle 13 on two gears 12, and the equal movable sleeve in the outside of two round axles 13 is equipped with sliding frame 14, all is fixed to be provided with inserted bar 15 on two sliding frame 14, two inserted bar 15 all with jack 7 looks adaptation.

Referring to fig. 4, in this embodiment, two annular limiting grooves are formed in the inner wall of the annular groove 8, two limiting rings are fixedly arranged on the collar 9, and the two limiting rings are slidably connected in the corresponding annular limiting grooves, so that a limiting effect can be achieved on the collar 9.

Referring to fig. 4, in this embodiment, connecting shafts are rotatably mounted on the inner walls of the two transverse holes 11, and the two gears 12 are fixedly connected with the corresponding connecting shafts, so that the two gears 12 can be conveniently rotatably disposed.

Referring to fig. 4, in this embodiment, the two inserting rods 15 are fixedly provided with limiting blocks 16, the inner walls of the two transverse holes 11 are provided with limiting grooves 17, and the limiting blocks 16 located on the same side are slidably connected in the corresponding limiting grooves 17, so that a limiting effect can be achieved on the two inserting rods 15.

Referring to fig. 4, in this embodiment, two limiting shafts are fixedly mounted in two limiting grooves 17, and limiting blocks 16 located on the same side are slidably sleeved on the outer sides of the corresponding limiting shafts, so as to limit two inserting rods 15.

Referring to fig. 4, in this embodiment, springs 18 are fixedly disposed on both the two limiting blocks 16, and the springs 18 located on the same side are fixedly disposed on the inner walls of the corresponding limiting grooves 17, so that the two inserting rods 15 can be conveniently reset.

The working principle is that firstly, when the anchor is installed, the lantern ring 9 can be rotated firstly, the lantern ring 9 can drive the toothed ring 10 to move, and therefore the toothed ring 10 can drive the two gears 12 to rotate, the two sliding frames 14 can be stirred to move away from each other through the two circular shafts 13 while the two gears 12 rotate, the two sliding frames 14 can drive the two inserted rods 15 to move away from each other and extrude the corresponding springs 18 through the two limiting blocks 16, then the threaded clamping shaft 3 is screwed into the clamping groove 4 through the internal threads 5 formed in the inner wall of the clamping groove 4, then the fixed block 6 can extend into the clamping groove 4, then the lantern ring 9 can be released, and the elastic deformation of the two springs 18 can be used for enabling the two inserted rods 15 to reset and be inserted into the insertion holes 7 on the fixed block 6, so that stable fixing between the anchor body 1 and the anchor head 2 can be realized.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A high strength, deformation resistant grouting bolt, comprising:

the anchor comprises an anchor rod body (1) and an anchor head (2), wherein a threaded clamping shaft (3) is fixedly arranged at the bottom end of the anchor rod body (1), a clamping groove (4) is formed in the anchor head (2), a group of internal threads (5) are formed in the inner wall of the clamping groove (4), and the threaded clamping shaft (3) is matched with the internal threads (5);

the utility model discloses a screw thread clamping axle, including screw thread clamping axle, fixed block (3), fixed block (6) have offered jack (7) on fixed block (6), ring channel (8) have been seted up in the outside of anchor head (2), the interior slip of ring channel (8) is provided with lantern ring (9), the inboard of lantern ring (9) is fixed and is provided with ring gear (10), offered on the inner wall of draw-in groove (4) two with cross bore (11) that ring channel (8) are linked together, two all rotate in cross bore (11) and install gear (12), ring gear (10) with two gear (12) are engaged with, two all weld on gear (12) circle axle (13), two the outside of circle axle (13) all movable sleeve is equipped with sliding frame (14), two all fixedly on sliding frame (14) be provided with inserted bar (15), two inserted bar (15) all with jack (7) looks adaptation.

2. A high strength, deformation resistant grouting bolt as claimed in claim 1, wherein: two annular limiting grooves are formed in the inner wall of the annular groove (8), two limiting rings are fixedly arranged on the lantern ring (9), and the two limiting rings are connected in the corresponding annular limiting grooves in a sliding mode.

3. A high strength, deformation resistant grouting bolt as claimed in claim 1, wherein: the inner walls of the two transverse holes (11) are respectively provided with a connecting shaft in a rotating way, and the two gears (12) are fixedly connected with the corresponding connecting shafts.

4. A high strength, deformation resistant grouting bolt as claimed in claim 1, wherein: limiting blocks (16) are fixedly installed on the two inserting rods (15), limiting grooves (17) are formed in the inner walls of the two transverse holes (11), and the limiting blocks (16) located on the same side are connected in the corresponding limiting grooves (17) in a sliding mode.

5. A high strength, deformation resistant grouting bolt as recited in claim 4, wherein: limiting shafts are fixedly arranged in the two limiting grooves (17), and limiting blocks (16) located on the same side are slidably sleeved on the outer sides of the corresponding limiting shafts.

6. A high strength, deformation resistant grouting bolt as recited in claim 4, wherein: the two limiting blocks (16) are fixedly provided with springs (18), and the springs (18) positioned on the same side are fixedly arranged on the inner walls of the corresponding limiting grooves (17).