Anchor rod anti-pulling detection device

Abstract

The utility model discloses an anchor rod anti-pulling detection device, which comprises a support frame, a hydraulic cylinder, a tension sensor, a hydraulic clamping jaw and three support legs, and further comprises a support plate horizontally arranged below the support legs, and the three support legs are respectively connected with the support plate; the mounting hole is formed in the middle position of the supporting plate and is coaxial with the hydraulic cylinder; the adjusting ring is detachably connected into the mounting hole, and the lower surface of the adjusting ring is flush with the lower surface of the supporting plate; the contact area between the adjusting ring and the building surface is guaranteed by replacing the adjusting ring with the inner diameter matched with the size of the anchor rod. According to the utility model, the contact area between the anchor rod anti-pulling detection device and a building surface can be increased, so that the pressure intensity is reduced, and the risk that the building surface is crushed is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of anchor rod detection, especially to an anchor rod uplift resistance detection device. BACKGROUND

[0002] At present, as the main reinforcement or support method, anchor rods are widely used in slope, foundation pit, tunnel, dam body, coal mine roadway and other engineering, and the anchor rod needs to be detected after being fixed to ensure that the performance of the anchor rod meets the requirements.

[0003] The anchor rod uplift resistance detection device in the related art usually comprises a support frame, a hydraulic cylinder, a tension sensor and a hydraulic clamping jaw, the hydraulic cylinder is fixed on the support frame, the top of the tension sensor is fixedly connected with the piston end of the hydraulic cylinder, the bottom is fixedly connected with the hydraulic clamping jaw, and the hydraulic clamping jaw is used for clamping the anchor rod, at the same time, the bottom of the support frame is provided with three supporting feet to play a supporting role. The three supporting feet are respectively abutted on the building surface, and the anchor rod is clamped through the clamping part, then the clamping part is moved upward through the hydraulic cylinder, at this time, the tension sensor can detect the uplift resistance of the anchor rod.

[0004] However, in the process of detecting the uplift resistance of the anchor rod, the force of the uplift resistance detection device acts on the building surface through the three supporting feet, and since the contact area between the supporting feet and the building surface is relatively small, the pressure increases, and the building surface is easily pressed and injured, which needs to be improved. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims to provide an anchor rod uplift resistance detection device to increase the contact area between the supporting feet and the building surface, reduce the pressure, and thus reduce the risk of the building surface being pressed and injured.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: an anchor rod uplift resistance detection device, comprising a support frame, a hydraulic cylinder, a tension sensor, a hydraulic clamping jaw and three supporting feet, the anchor rod uplift resistance detection device further comprises:

[0007] A supporting plate is horizontally arranged below the supporting feet, and the three supporting feet are connected with the supporting plate respectively;

[0008] A mounting hole is arranged at the middle position of the supporting plate and coaxial with the hydraulic cylinder;

[0009] An adjusting ring is detachably connected in the mounting hole, and the lower surface of the adjusting ring is flush with the lower surface of the supporting plate;

[0010] Wherein, the adjusting ring with the inner diameter matched with the size of the anchor rod is replaced to ensure the contact area between the adjusting ring and the building surface.

[0011] The utility model discloses in a preferable example can be further configured as: the lower surface of support plate and the adjusting ring is fixedly connected with elastic protection pad respectively.

[0012] The utility model discloses in a preferable example can be further configured as: the bottom port of mounting hole is provided with step groove, the outside wall of adjusting ring is provided with step face, and the step face is closely matched with step groove.

[0013] The utility model discloses in a preferable example can be further configured as: the groove bottom of step groove is fixedly embedded with magnet, and adjusting ring is made of iron material, so that the magnet can be fixed with adjusting ring magnetic attraction.

[0014] The utility model discloses in a preferable example can be further configured as: each support foot includes support pipe, support rod and support disc respectively, the support pipe vertical rotation is connected in the bottom of support frame, and support rod is screwed in the support pipe, and support disc is fixed in the bottom of support rod, and support disc is connected with support plate.

[0015] The utility model discloses in a preferable example can be further configured as: control ring is fixedly covered on the support pipe, and the outer contour of control ring is regular hexagon, so that control ring can be matched with wrench.

[0016] The utility model discloses in a preferable example can be further configured as: support disc and support plate are connected through a plurality of fastening screws.

[0017] Summarized above, the utility model has following beneficial effect:

[0018] 1. by setting up support plate in three support foot bottom, utilize support plate and building surface contact, can increase the contact area with building surface, to reduce pressure intensity, thereby reduce the risk of building surface being pressed, and simultaneously, can pass through the adjusting ring of replacing with the size of anchor rod, guarantee the bottom area of adjusting ring, thereby further increase its contact area with building surface;

[0019] 2. because the height of three support feet can be adjusted, thereby realizing the adjustment of hydraulic clamping jaw position, to adapt to anchor rod of different height, improve use adaptability. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of example;

[0021] Figure 2 It is the sectional view of example.

[0022] Reference signs: 1, support frame; 2, hydraulic cylinder; 3, tension sensor; 4, hydraulic clamping jaw; 5, support foot; 51, support pipe; 52, support rod; 53, support disc; 54, control ring; 55, fastening screw; 6, support plate; 7, mounting hole; 8, adjusting ring; 9, protective pad; 10, stepped groove; 11, stepped surface; 12, magnet. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail below in combination with the drawings.

[0024] Reference Figure 1 , Figure 2 A kind of anchor rod anti-pulling detection device, including support frame 1, hydraulic cylinder 2, tension sensor 3, hydraulic clamping jaw 4 and three support feet 5, three support frames 1 are set to the bottom of support frame 1, hydraulic cylinder 2 is fixed on support frame 1, the top of tension sensor 3 is fixedly connected with the piston end of hydraulic cylinder 2, bottom is fixedly connected with hydraulic clamping jaw 4, and hydraulic clamping jaw 4 is used to clamp anchor rod.

[0025] Reference Figure 1 , Figure 2 Anchor rod anti-pulling detection device further includes horizontally arranged support plate 6, support plate 6 is below support foot 5, and three support feet 5 are connected with support plate 6 respectively.The middle position of support plate 6 is provided with mounting hole 7, and mounting hole 7 is coaxial with hydraulic cylinder 2, and simultaneously, adjusting ring 8 is detachably connected in mounting hole 7, anchor rod can pass through adjusting ring 8, and the lower surface of adjusting ring 8 is flush with the lower surface of support plate 6.

[0026] When carrying out anchor rod anti-pulling detection, adjusting ring 8 with inner diameter matching the size of anchor rod is selected, for example, the outer diameter of anchor rod is 10 cm, the inner diameter size of adjusting ring 8 is 11 cm, and adjusting ring 8 is installed in support hole.Then support plate 6 is placed on building surface, and anchor rod passes through adjusting ring 8, then anchor rod is clamped and fixed by hydraulic clamping jaw 4, and then the upward movement of hydraulic clamping jaw 4 is controlled by hydraulic cylinder 2, so that the anti-pulling performance of anchor rod can be detected by tension sensor 3.

[0027] The anchor rod anti-pulling detection device in the embodiment utilizes the contact of support plate 6 with building surface, compared with the direct contact of support foot 5 with building surface, this design can increase the contact area with building surface, so as to reduce the pressure, thereby reducing the risk of building surface being pressed. At the same time, by replacing adjusting ring 8 matching the size of anchor rod, the bottom area of adjusting ring 8 can be ensured, so as to further increase the contact area with building surface.

[0028] Reference Figure 1 , Figure 2The lower surfaces of the support plate 6 and the adjusting ring 8 are fixedly connected with elastic protective pads 9 respectively, so as to protect the building surface and reduce the risk of the support plate 6 scratching the building surface.

[0029] With reference to Figure 1 , Figure 2 A stepped groove 10 is arranged at the bottom end of the mounting hole 7, and the outer sidewall of the adjusting ring 8 is provided with a stepped surface 11 which is tightly matched with the stepped groove 10, so as to support and limit the adjusting ring 8.

[0030] With reference to Figure 1 , Figure 2 Each support leg 5 comprises a support pipe 51, a support rod 52 and a support disc 53.

[0031] With reference to Figure 1 , Figure 2 A control ring 54 is fixedly sleeved on the support pipe 51, and the outer contour of the control ring 54 is a regular hexagon, so that the control ring 54 can be matched with a wrench.

[0032] The support pipe 51 is rotated by rotating the control ring 54 with the wrench, so as to adjust the height of the support leg 5.

[0033] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, and the modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. An anchor rod uplift detection device, comprising a support frame (1), a hydraulic cylinder (2), a tension sensor (3), a hydraulic clamping jaw (4) and three support feet (5), characterized in that: The anchor rod uplift detection device further comprises: A support plate (6) is horizontally arranged below the support feet (5), and the three support feet (5) are respectively connected with the support plate (6); A mounting hole (7) is arranged at the middle position of the support plate (6) and is coaxial with the hydraulic cylinder (2); An adjusting ring (8) is detachably connected in the mounting hole (7), and the lower surface of the adjusting ring (8) is flush with the lower surface of the support plate (6); Wherein, by replacing the adjusting ring (8) with an inner diameter matching the size of the anchor rod, the contact area of the adjusting ring (8) with the building surface is ensured.

2. An anti-pulling detection device for an anchor rod according to claim 1, characterized in that: The lower surfaces of the support plate (6) and the adjusting ring (8) are respectively fixedly connected with elastic protective pads (9).

3. The anti-pulling detection device of an anchor rod according to claim 1, characterized in that: A stepped groove (10) is arranged at the bottom port of the mounting hole (7), the outer sidewall of the adjusting ring (8) is provided with a stepped surface (11), and the stepped surface (11) is tightly matched with the stepped groove (10).

4. An anti-pulling device for an anchor rod according to claim 3, characterized in that: The bottom of the stepped groove (10) is fixedly embedded with a magnet (12), and the adjusting ring (8) is made of ferrous material, so that the magnet (12) can be magnetically attracted and fixed with the adjusting ring (8).

5. The anti-pulling detection device of an anchor rod according to claim 1, characterized in that: Each support foot (5) comprises a support pipe (51), a support rod (52) and a support disc (53), the support pipe (51) is vertically rotatably connected to the bottom of the support frame (1), the support rod (52) is threadedly connected in the support pipe (51), the support disc (53) is fixed to the bottom of the support rod (52), and the support disc (53) is connected with the support plate (6).

6. An anti-pulling device for an anchor rod according to claim 5, characterized in that: A control ring (54) is fixedly sleeved on the support pipe (51), and the outer contour of the control ring (54) is a regular hexagon, so that the control ring (54) can be matched with a wrench.

7. An anti-pulling device for an anchor rod according to claim 5, characterized in that: The support disc (53) and the support plate (6) are connected through a plurality of fastening screws (55).

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