Fixture for anchor rod drawing instrument

Abstract

The utility model discloses a clamp for an anchor rod drawing instrument, relates to the technical field of clamps, and solves the problems that a reinforcing steel bar clamp is hard to tighten, needs to be manually hammered and knocked and disassembled by a hammer, and even consumes a large amount of time and manpower, most of anchor rod drawing tests are carried out in tunnels in water conservancy projects, and if the drawing force test is low in efficiency, the anchor rod drawing instrument cannot be disassembled. The tunnel safety protection device comprises a sleeve and clamping blocks, a clamping hole is formed in the sleeve, three moving holes are formed in the side wall in the clamping hole at equal intervals, the clamping blocks are slidably connected to the interiors of the moving holes, three moving cavities are formed in the sleeve at equal intervals, and the moving cavities are communicated with the clamping holes. The three clamping blocks are arranged, through swinging of the connecting rods, the clamping blocks can conveniently move and position in the moving holes, the distance between the three clamping blocks can be conveniently adjusted, and the clamp is more convenient and faster to use, saves time and labor and is higher in efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, concretely is a kind of anchor rod pull-out tester with clamp. BACKGROUND

[0002] The purpose of anchor rod pull-out test is to determine the anchorage of surrounding rock, evaluate the performance of anchor rod, resin, surrounding rock anchoring system and anchoring force of anchor rod. In water conservancy engineering, especially in water diversion tunnel engineering, anchor rod pull-out test is an important means to test whether the supporting system is stable.

[0003] At present, the anchor rod pull-out tester used in China is usually composed of a jack, an oil pump, an oil pipe, a steel clamp and an instrument panel. After multiple use tests, our company's detection personnel found that such anchor rod pull-out tester has obvious defects in use, that is, when multiple anchor rods with different diameters need to be subjected to pull-out test in the same process, the anchor rod pull-out tester has very low disassembly and installation efficiency for replacing the steel clamp. The reason is that after completing a pull-out, the steel clamp is tightened with difficulty, and needs to be disassembled by manually hammering with a hammer. Sometimes, a lot of time and manpower are consumed. Moreover, most anchor rod pull-out tests in water conservancy engineering are carried out in tunnels. If the pull-out test is inefficient, the longer the person stays in the tunnel, the greater the safety hazard. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an anchor rod pull-out tester with clamp, which solves the problems of steel clamp tightening with difficulty, manual disassembly by hammering with a hammer, consumption of a lot of time and manpower, most anchor rod pull-out tests in water conservancy engineering being carried out in tunnels, and the longer the person stays in the tunnel, the greater the safety hazard.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: an anchor rod pull-out tester with clamp, comprising a sleeve and a clamp block, the inside of the sleeve is provided with a clamping hole, the inside of the side wall in the clamping hole is provided with three moving holes at equal intervals, the clamp block is respectively connected with the inside of the moving hole through sliding, the inside of the sleeve is provided with three moving cavities at equal intervals, the inside of the three moving cavities is provided with a connecting rod, the two side walls of the connecting rod are fixedly installed with a rotating rod, the rotating rod is respectively connected to the inside of the side wall of the moving cavity through rotation, and the moving hole is respectively connected with the inside of the moving cavity, and the upper end of the connecting rod is respectively connected to the end of the clamp block through hinging.

[0006] Preferably, the inside of the sleeve is provided with a pressing cavity, and the pressing cavity is arranged below the clamping hole, the inside of the pressing cavity is slidably connected with a conical seat, the side wall of the conical seat is provided with T-shaped grooves at equal intervals, the T-shaped grooves are slidably connected with T-shaped blocks, the bottom of the connecting rod is hinged to the upper end of the T-shaped block, and the moving cavity is in communication with the inside of the pressing cavity, so that the position of the connecting rod can be swung.

[0007] Preferably, the bottom of the sleeve is fixedly provided with a reciprocating motor, the bottom surface in the pressing cavity is rotatably connected with a screw rod, the output shaft of the reciprocating motor is fixedly connected with the bottom of the screw rod through penetrating the bottom surface of the sleeve, and the bottom surface of the conical seat is provided with a threaded hole, so that the conical seat is threadedly sleeved with the rod wall of the screw rod, thereby facilitating the movement of the position of the conical seat.

[0008] Preferably, the inside of the conical seat is provided with three limiting holes at equal intervals, and the bottom of the pressing cavity is fixedly provided with three limiting rods at equal intervals, and the conical seat is slidably sleeved with the inside of the limiting rod through the limiting hole, thereby facilitating the limiting of the position of the conical seat.

[0009] Preferably, the inside of the pressing cavity is in communication with the inside of the clamping hole, and the diameter of the pressing cavity is greater than that of the clamping hole, so that the conical seat can be prevented from moving to the inside of the mounting hole.

[0010] Preferably, the slope of the conical seat faces upwards, thereby facilitating the adjustment of the connecting rod.

[0011] The utility model provides a kind of anchor rod pull-out tester clamp.It has the following beneficial effects:

[0012] The anchor rod pull-out tester clamp can move the clamping block in the moving hole by the swing of the connecting rod, adjust the distance between the three clamping blocks, make the clamp more convenient and efficient to use, save time and effort, and improve the efficiency of the clamp.

[0013] The anchor rod pull-out tester clamp can move the three connecting rods by the rotation of the screw rod, move the three clamping blocks, and improve the efficiency of the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the utility model as a whole.

[0015] Figure 2 It is a sectional view of the utility model.

[0016] Figure 3The utility model discloses mobile cavity internal structure schematic diagram shows that the utility model discloses cone seat structure schematic diagram shows that the utility model discloses cone seat bottom structure schematic diagram.

[0017] Figure 4 The utility model discloses cone seat structure schematic diagram shows that the utility model discloses cone seat bottom structure schematic diagram.

[0018] Figure 5 The utility model discloses cone seat bottom structure schematic diagram.

[0019] In the drawing, 1 - sleeve, 2 - clamping hole, 3 - clamping block, 4 - reciprocating motor, 5 - connecting rod, 6 - rotating rod, 7 - pressing cavity, 8 - cone seat, 9 - limiting rod, 10 - screw rod, 11 - moving hole, 12 - limiting hole, 13 - T-shaped groove, 14 - T-shaped block, 15 - threaded hole, 16 - moving cavity. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model. EMBODIMENT

[0021] Please refer to Figures 1-5 The utility model discloses anchor rod pullout tester uses clamp, including sleeve 1 and clamping block 3, the inside of sleeve 1 is provided with clamping hole 2, and the inside of the lateral wall in clamping hole 2 is provided with three moving holes 11 at equal intervals, and the inside of moving hole 11 is slidably connected with clamping block 3 respectively, the inside of sleeve 1 is provided with three moving cavities 16 at equal intervals, the inside of three moving cavities 16 is provided with connecting rod 5, and the both sides of connecting rod 5 are fixedly installed with rotating rod 6, and rotating rod 6 is rotatably connected to the inside of the lateral wall of moving cavity 16 respectively, and moving hole 11 is connected with the inside of moving cavity 16 respectively, and the upper end of connecting rod 5 is hingedly connected to the tail end of clamping block 3 respectively, when using clamping block 3, make the position of connecting rod 5 overturn, can conveniently drive clamping block 3 to slide in the inside of moving hole 11, and the interval between three clamping blocks 3 is adjusted conveniently. EMBODIMENT

[0022] In order to facilitate the convenient swing of connecting rod 5, in the embodiment, such as Figures 2-5As shown, the inside of the sleeve 1 is provided with a pressing cavity 7, and the pressing cavity 7 is arranged below the clamping hole 2, the inside of the pressing cavity 7 is slidably connected with a conical seat 8, the side wall of the conical seat 8 is provided with T-shaped grooves 13 at equal intervals, the inside of the T-shaped grooves 13 is slidably connected with T-shaped blocks 14, the bottom of the connecting rod 5 is hinged with the upper end of the T-shaped block 14, the moving cavity 16 is communicated with the inside of the pressing cavity 7, the pressing cavity 7 is communicated with the inside of the clamping hole 2, and the diameter of the pressing cavity 7 is greater than that of the clamping hole 2, the slope of the conical seat 8 faces upward, when the position of the three clamping blocks 3 needs to be moved, the conical seat 8 is moved in the inside of the pressing cavity 7, which can facilitate the adjustment of the angle of the connecting rod 5, so as to facilitate the movement of the position of the three clamping blocks 3. Embodiment

[0023] In order to adjust the distance between the clamping blocks 3 when the conical seat 8 moves, and to make the position of the conical seat 8 stable when it moves, in this embodiment, as shown, Figures 2-4 The bottom of the sleeve 1 is fixedly installed with a reciprocating motor 4, the inside of the bottom surface of the pressing cavity 7 is rotatably connected with a screw rod 10, the output shaft of the reciprocating motor 4 is fixedly connected with the bottom of the screw rod 10 through the inside of the bottom surface of the sleeve 1, the inside of the bottom surface of the conical seat 8 is provided with a threaded hole 15, and the conical seat 8 is threadedly sleeved on the rod wall of the screw rod 10 through the threaded hole 15. Turning on the reciprocating motor 4 can conveniently make the position of the conical seat 8 move up and down on the screw rod 10, the inside of the conical seat 8 is provided with three limiting holes 12 at equal intervals, the bottom of the pressing cavity 7 is fixedly installed with three limiting rods 9 at equal intervals, and the conical seat 8 is slidably sleeved in the inside of the limiting rod 9 through the limiting hole 12. When the conical seat 8 moves, it can move on the limiting rod 9, and the limiting rod 9 can conveniently limit it, thereby enhancing the stability of the position of the conical seat 8 when it moves.

[0024] It should be noted that in this embodiment, when using the anchor rod pull-out instrument clamp, as shown, Figures 1-5 The device to be clamped is moved to the inside of the clamping hole 2, and then the reciprocating motor 4 is turned on to make the screw rod 10 rotate, which can conveniently make the position of the conical seat 8 move up and down on the screw rod 10, so that the T-shaped block 14 moves in the inside of the T-shaped groove 13, and can drive the connecting rod 5 to swing, and the swing of the connecting rod can conveniently drive the clamping block 3 to move in the inside of the moving hole 11, thereby adjusting the distance between the three clamping blocks 3. When the clamping block 3 is completed after clamping the object, the position of the connecting rod 5 is pressed and stabilized by the conical seat 8, and the conical seat 8 is stabilized by the screw rod 10, which can enhance the stability of the position of the clamping block 3. When the clamping block 3 is loosened, the screw rod 10 is reversely rotated by the reciprocating motor 4, which can conveniently make the connecting rod 5 drive the clamping block 3 to move reversely, thereby facilitating the loosening of the object.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A clamp for an anchor bolt pull-out instrument, characterized in that: The utility model provides a sleeve (1) and clamp block (3), the inside of sleeve (1) is provided with clamping hole (2), the inside of the lateral wall in clamping hole (2) is provided with three moving holes (11) at equal intervals, clamp block (3) is slidably connected with the inside of moving hole (11) respectively, the inside of sleeve (1) is provided with three moving cavities (16) at equal intervals, the inside of three moving cavities (16) is provided with connecting rod (5), both sides of connecting rod (5) are fixedly installed with rotating rod (6), rotating rod (6) is rotatably connected to the inside of moving cavity (16) respectively, and moving hole (11) is connected with the inside of moving cavity (16) respectively, and the upper end of connecting rod (5) is hingedly connected to the end of clamp block (3) respectively.

2. The anchor rod puller clamp of claim 1, wherein: The inside of sleeve (1) is provided with press cavity (7), and press cavity (7) is arranged below clamping hole (2), the inside of press cavity (7) is slidably connected with conical seat (8), the inside of the lateral wall of conical seat (8) is provided with T-shaped slot (13) at equal intervals, the inside of T-shaped slot (13) is slidably connected with T-shaped block (14), the bottom of connecting rod (5) is hinged with the upper end of T-shaped block (14), and the inside of moving cavity (16) is connected with press cavity (7).

3. The anchor rod puller clamp of claim 2, wherein: The bottom of sleeve (1) is fixedly installed with reciprocating motor (4), the bottom surface inside press cavity (7) is rotatably connected with screw rod (10), the output shaft of reciprocating motor (4) is fixedly connected with the bottom of screw rod (10) through the bottom surface inside sleeve (1), the bottom surface inside conical seat (8) is provided with threaded hole (15), and conical seat (8) is screwed on the rod wall of screw rod (10) through threaded hole (15).

4. The anchor rod puller clamp of claim 2, wherein: The inside of conical seat (8) is provided with three limiting holes (12) at equal intervals, the bottom of press cavity (7) is fixedly installed with three limiting rods (9) at equal intervals, and conical seat (8) is slidably connected in the inside of limiting rod (9) through limiting hole (12).

5. The anchor puller clamp of claim 2, wherein: The inside of press cavity (7) is connected with clamping hole (2), and the diameter of press cavity (7) is greater than the diameter of clamping hole (2).

6. The anchor puller clamp of claim 2, wherein: The slope of conical seat (8) faces upwards.

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