Soil nailing wall soil nail pulling resistance detection tool

Abstract

The utility model discloses a soil nailing wall soil nail pulling resistance detection tool which comprises a bearing base, a connecting assembly used for being connected with a soil nailing wall soil nail is arranged above the bearing base, and a reset piece used for resetting of the connecting assembly is arranged below the connecting assembly. A connecting piece is arranged on the side, away from the connecting assembly, of the bearing base, and the bearing base is locked with a soil nail of a soil nail wall through the connecting assembly and connected with soil nail pulling resistance detection equipment through the connecting piece. According to the utility model, through the arrangement of the connecting assembly, the structure is simpler, the difficulty of manufacturing and maintenance is reduced, and compared with the traditional complicated structural design, the operation and the maintenance are easier. And the arranged connecting assembly is simple in operation step, the crown part of the soil nail can be locked through the locking bead only by pressing the adjusting cylinder and loosening the adjusting cylinder after the soil nail is inserted into the lining cylinder, so that the possibility of misoperation of an operator in the use process is reduced, and the accuracy of a detection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a soil nailing wall soil nailing anti -pulling force detection frock. BACKGROUND

[0002] In the field of civil engineering, soil nailing wall as a commonly used slope support structure, its stability is crucial to engineering safety. The stability of soil nailing wall depends largely on the anti -pulling force of soil nailing, that is, the ability of soil nailing to resist pulling out in soil.

[0003] The traditional soil nailing anti -pulling force detection work is complex in structure design in the process of being connected with soil nailing, increases the difficulty of manufacture and maintenance, and simultaneously easily leads to the misoperation of operating personnel in the use process, thereby influence the accuracy of detection result, therefore a kind of soil nailing wall soil nailing anti -pulling force detection frock is presented. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of soil nailing wall soil nailing anti -pulling force detection frock to solve the problem of the above background technique that traditional soil nailing anti -pulling force detection equipment structure design is complex, easily leads to the misoperation of operating personnel in the use process, influence the accuracy of detection result.

[0005] To solve the above technical problem, the utility model provides the following technical scheme: a kind of soil nailing wall soil nailing anti -pulling force detection frock, including bearing base, the upper of bearing base is provided with the connecting component for connecting soil nailing wall soil nailing, it is below the connecting component and is provided with the recovery member for connecting component reset,

[0006] The side of bearing base away from connecting component is provided with connecting piece,

[0007] Wherein, the bearing base is locked with soil nailing wall soil nailing by connecting component, and is connected with soil nailing anti -pulling force detection equipment by connecting piece.

[0008] Preferably, the connecting component includes inner lining tube at the bearing base, adjusting cylinder is provided at the outer periphery of the inner lining tube, locking bead is arranged between the adjusting cylinder and the inner lining tube;

[0009] The adjusting cylinder is locked and fixed with soil nailing inside the inner lining tube by locking bead.

[0010] Preferably, four groups of hole channels for locking bead protrusion are opened in the inner wall of the inner lining tube, and the hole diameter of the hole channel in the inner wall of the inner lining tube is smaller than the hole diameter of the hole channel in the outer wall of the inner lining tube.

[0011] Preferably, containing groove for locking bead rolling is opened in the inner wall of the adjusting cylinder, and the opening of the containing groove is arc-shaped.

[0012] Preferably, the bearing base is provided with a guide cylinder at the outer periphery of the inner lining cylinder, and a guide groove is formed in the guide cylinder.

[0013] Preferably, the bottom end of the adjusting cylinder is provided with a limiting cylinder, and the limiting cylinder and the guide groove are matched with each other to enable the adjusting cylinder to linearly move in the limiting cylinder through the guide cylinder.

[0014] Preferably, the restoring member comprises a return spring, and the return spring is located between the adjusting cylinder and the bearing base to enable the adjusting cylinder to be reset on the bearing base through the return spring.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The connecting assembly is simple in structure, reduces the difficulty of manufacturing and maintenance, and is easier to operate and maintain than the traditional complex structure design.

[0017] The connecting assembly is simple in operation steps, and only needs to press the adjusting cylinder, loosen the adjusting cylinder after the soil nail is inserted into the lining cylinder, and then lock the crown of the soil nail through the locking bead, so that the possibility of operation error of an operator in the use process is reduced, and the accuracy of a detection result is improved.

[0018] The linear movement and quick reset design of the adjusting cylinder enable the tooling to be quickly adjusted and reset, and improve the efficiency of detection work.

[0019] Through the design of the locking bead and the channel, the stable connection between the soil nail and the tooling is ensured, and the risk of unstable connection under high load is reduced. DETAILED DESCRIPTION

[0020] Fig. 1 It is a whole structure schematic view of the utility model embodiment;

[0021] Fig. 2 It is a cross section structure schematic view of the utility model embodiment;

[0022] Fig. 3 It is an adjusting cylinder structure schematic view of the utility model embodiment.

[0023] In the drawing: 1, bearing base; 101, guide cylinder; 102, guide groove; 2, connecting assembly; 201, inner lining cylinder; 2011, channel; 202, adjusting cylinder; 2021, accommodating groove; 2022, limiting cylinder; 203, locking bead; 3, restoring member; 301, return spring; 4, connecting piece. DETAILED DESCRIPTION

[0024] In order to facilitate the solution of the traditional soil nail anti-pulling force detection equipment structure design is more complex, easy to cause the operator in the use process appears misoperation, influence the accuracy of the test results The problem, the utility model discloses a soil nail wall soil nail anti-pulling force detection tool. Below will be combined with the drawings in the embodiments of the utility model, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are only a 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 ordinary skill in the art without creative labor are within the scope of the utility model.

[0025] Please refer to Figs. 1-3 The utility model provides a soil nail wall soil nail anti-pulling force detection tool, including bearing base 1, the upper of bearing base 1 is provided with the connecting assembly 2 for connecting soil nail wall soil nail, the connecting assembly 2 includes the lining cylinder 201 at bearing base 1, the outer periphery of lining cylinder 201 is provided with adjusting cylinder 202, and the locking bead 203 is arranged between adjusting cylinder 202 and lining cylinder 201;The inner wall of lining cylinder 201 is provided with four groups of hole channels 2011 for locking bead 203 protruding, and the aperture of the hole channel 2011 on the inner wall of lining cylinder 201 is smaller than the aperture of the hole channel 2011 on the outer wall of lining cylinder 201.The inner wall of adjusting cylinder 202 is provided with containing groove 2021 for the rolling of locking bead 203, and the opening of containing groove 2021 is arc-shaped arrangement. The outer periphery of bearing base 1 is provided with guide cylinder 101 at lining cylinder 201, and the guide groove 102 is arranged at guide cylinder 101. The bottom of adjusting cylinder 202 is provided with limiting cylinder 2022, and limiting cylinder 2022 and guide groove 102 are matched with each other, so that adjusting cylinder 202 moves linearly in limiting cylinder 2022 through guide cylinder 101. The soil nail in the inside of lining cylinder 201 is locked and fixed by locking bead 203 of adjusting cylinder 202.

[0026] The lower of connecting assembly 2 is provided with recovery 3 for connecting assembly 2 reset, and the reset spring 301 is arranged between adjusting cylinder 202 and bearing base 1, so that adjusting cylinder 202 is reset on bearing base 1 through reset spring 301.

[0027] The side of bearing base 1 away from connecting assembly 2 is provided with connecting piece 4,

[0028] Among them, bearing base 1 is locked through connecting assembly 2 and soil nail wall soil nail, and is connected with soil nail anti-pulling force detection equipment through connecting piece 4.

[0029] The working principle of the soil nail wall soil nail anti-pulling force detection tool is as follows: when connecting, the adjusting cylinder 202 is pressed downward, so that the adjusting cylinder 202 is pressed and moves downward in the guide groove 102 of the guide cylinder 101 through the limiting cylinder 2022, the reset spring 301 is extruded, the reset spring 301 is contracted under stress, and the extrusion effect of the locking bead 203 at the inner lining cylinder 201 is removed;

[0030] Then the soil nail to be detected is inserted into the inner lining cylinder 201, when the locking bead 203 contacts the soil nail, stress is rolled from the hole 2011 of the inner lining cylinder 201 to the containing groove 2021 of the adjusting cylinder 202, and moves to the inner wall side of the adjusting cylinder 202;

[0031] When the crown of the soil nail moves to the tail end of the locking bead 203, the adjusting cylinder 202 is loosened, at this time, the reset spring 301 is elastically elongated under stress, the adjusting cylinder 202 is reset to the outer periphery of the inner lining cylinder 201, the locking bead 203 is extruded, the locking bead 203 is rolled from the containing groove 2021 to the hole 2011, leaks out through the hole 2011 and is clamped at the bottom end of the soil nail crown, and the soil nail crown is extruded and locked by the four locking beads 203.

[0032] In the soil nail anti-pulling force detection process, the soil nail crown cannot extrude the locking bead 203 from the hole 2011 under stress, and the soil nail is locked.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tooling for testing the pull-out force of soil nails in a soil nailing wall, characterized in that: The system includes a support base (1), a connecting component (2) for connecting soil nails in a soil nailing wall is provided above the support base (1), and a return component (3) for resetting the connecting component (2) is provided below the connecting component (2). The connecting component (2) includes an inner liner (201) located at the support base (1), an adjusting cylinder (202) is provided on the outer periphery of the inner liner (201), and a locking bead (203) is provided between the adjusting cylinder (202) and the inner liner (201). The adjusting cylinder (202) locks and fixes the soil nails located inside the inner liner cylinder (201) by locking beads (203); A connector (4) is provided on the side of the support base (1) away from the connecting component (2). The bearing base (1) is locked to the soil nails of the soil nail wall through the connecting component (2) and connected to the soil nail pull-out force testing equipment through the connecting piece (4).

2. The soil nailing wall soil nail pull-out force testing tool according to claim 1, characterized in that: The inner wall of the inner liner (201) is provided with four sets of channels (2011) for locking the protruding beads (203). The diameter of the channel (2011) on the inner wall of the inner liner (201) is smaller than the diameter of the channel (2011) on the outer wall of the inner liner (201).

3. The soil nailing wall soil nail pull-out force testing tool according to claim 2, characterized in that: The inner wall of the adjusting cylinder (202) is provided with a receiving groove (2021) for the rolling of the locking bead (203), and the opening of the receiving groove (2021) is arc-shaped.

4. The soil nailing wall soil nail pull-out force testing tool according to claim 3, characterized in that: The support base (1) is provided with a guide cylinder (101) on the outer periphery of the inner liner (201), and a guide groove (102) is provided at the guide cylinder (101).

5. The soil nailing wall soil nail pull-out force testing tool according to claim 4, characterized in that: The bottom end of the adjusting cylinder (202) is provided with a limiting cylinder (2022), and the limiting cylinder (2022) and the guide groove (102) cooperate with each other so that the adjusting cylinder (202) moves linearly in the limiting cylinder (2022) through the guide cylinder (101).

6. The soil nailing wall soil nail pull-out force testing tool according to claim 5, characterized in that: The return component (3) includes a return spring (301), and the return spring (301) is located between the adjusting cylinder (202) and the support base (1) so that the adjusting cylinder (202) is reset on the support base (1) by the return spring (301).

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