Deep stress monitoring device for landslide deformation monitoring

Abstract

The utility model relates to the technical field of geological monitoring, and discloses a deep stress monitoring device for landslide deformation monitoring, which comprises a detection cylinder, the detection cylinder is arranged in a slope body in a penetrating manner, a positioning cylinder is arranged on one side of the detection cylinder, a flexible cylinder is arranged in the middle of the detection cylinder, and a pressure sensor is adhered to the inner wall of the flexible cylinder. And an elastic support frame is fixedly mounted on the other side of the positioning cylinder. According to the technical scheme, the wedge-shaped block on the detection cylinder can push the abutting block on the positioning cylinder, meanwhile, the reset spring is compressed, the abutting block moves towards the outer side along the sliding groove, then the abutting block abuts against the inner wall of a hole of slope rock soil, the position of the detection cylinder is limited, the monitoring accuracy of the detection cylinder is guaranteed, and the detection efficiency is improved. The elastic supporting frame can penetrate into the detection cylinder, and when the wedge block is in place, the elastic supporting frame can abut against the inner wall of the flexible cylinder, so that the flexible cylinder is supported, and the situation of monitoring deviation caused by collapse of the flexible cylinder is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to geological monitoring technical field, concretely is a kind of deep stress monitoring device for landslide deformation monitoring. BACKGROUND

[0002] Landslide is a kind of geological phenomenon, is widely existing, and geological disaster of great harm. In prior art, it can be obtained from statistics: the occurrence of most landslides is related to human engineering construction activities in varying degrees, to realize early discovery, early prevention, reduce the harm caused by landslide, and it is effective means to carry out landslide deformation monitoring and early warning. Regarding landslide monitoring, the prior art usually adopts the means of monitoring landslide displacement, is divided according to monitoring position or monitoring object, and the main monitoring means includes ground monitoring means, underground monitoring means.

[0003] Through the retrieval of the public number (CN116448050B), a kind of monitoring device for landslide deformation, including the monitoring pipe with pressure sensor mounted thereon, flexible cylinder is connected in series on the monitoring pipe, the inner side of flexible cylinder is fixed with lining plate, the pressure sensor is clamped between lining plate and flexible cylinder;The inner side of flexible cylinder is also provided with the elastic plate of V shape, one end of the two ends of the elastic plate is fixedly connected with the upper end of flexible cylinder, and the other end is fixedly connected with the lower end of flexible cylinder.

[0004] In the implementation of the technical scheme, at least the following defects still exist: although the invention can monitor the deformation of slope rock-soil, it is inconvenient to position the detection cylinder, which affects the positioning and installation of the detection cylinder, and thus affects the monitoring effect of the slope rock-soil, and improvement is needed. Therefore, we propose a deep stress monitoring device for landslide deformation monitoring. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a deep stress monitoring device for landslide deformation monitoring, which solves the problems raised in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a deep stress monitoring device for landslide deformation monitoring, including detection cylinder, detection cylinder is arranged in the interior of slope body, one side of the detection cylinder is provided with positioning cylinder, the middle part of the detection cylinder is provided with flexible cylinder, the inner wall of the flexible cylinder is bonded with pressure sensor, the other side of the positioning cylinder is fixedly installed with elastic support frame, the elastic support frame is movably connected with one side of the detection cylinder, the upper and lower sides of the positioning cylinder are both provided with accommodating groove, the inner chamber of the accommodating groove is provided with abutment, the inner wall of the accommodating groove is both provided with sliding groove, the both sides of the abutment are both fixedly installed with sliding block, the side of the detection cylinder close to the positioning cylinder is fixedly installed with wedge-shaped block.

[0007] Through the adoption of the above technical scheme, the wedge-shaped block on the detection cylinder can push the resisting block on the positioning cylinder, and at the same time, the reset spring is compressed, so that the resisting block moves outward along the sliding groove, and then the resisting block is abutted against the inner wall of the hole of the slope rock-soil, thereby limiting the position of the detection cylinder, and further ensuring the accuracy of the detection cylinder monitoring, and at the same time, the elastic support frame can be deep into the detection cylinder during the movement of the detection cylinder to the left, and at the same time, the wedge-shaped block is in place, and the elastic support frame is abutted against the inner wall of the flexible cylinder, thereby supporting the flexible cylinder, and avoiding the situation that the flexible cylinder collapses to cause monitoring deviation.

[0008] Optionally, the inner cavity of the sliding groove is fixedly installed with a reset spring, and the other end of the reset spring is fixedly connected with the sliding block.

[0009] Through the adoption of the above technical scheme, the reset spring is arranged, so that the resisting block can be reset, thereby facilitating the positioning of the detection cylinder.

[0010] Optionally, the size of the sliding block is matched with the size of the sliding groove, and the sliding block is slidingly connected with the sliding groove.

[0011] Through the adoption of the above technical scheme, the sliding block and the sliding groove are matched, so that the stability of the movement of the resisting block can be ensured.

[0012] Optionally, the elastic support frame is annularly distributed, and the end of the elastic support frame is attached to the inner wall of the detection cylinder.

[0013] Through the adoption of the above technical scheme, the elastic support frame is arranged, so that the inner wall of the flexible cylinder can be supported.

[0014] Optionally, the wedge-shaped block is movably connected with the inner cavity of the positioning cylinder, and the resisting blocks are arranged on both sides of the wedge-shaped block.

[0015] Through the adoption of the above technical scheme, the wedge-shaped block is arranged, so that the two resisting blocks can be simultaneously pushed.

[0016] Optionally, the pressure sensor is annularly distributed, and the output end of the pressure sensor is connected with a wire.

[0017] Through the adoption of the above technical scheme, the internal deformation force of the slope rock-soil can be monitored.

[0018] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0019] The technical scheme of the present application is provided with a slope body, a detection cylinder, a positioning cylinder, a pressure sensor, an elastic support frame, a resisting block, a reset spring and a wedge-shaped block, so that the wedge-shaped block on the detection cylinder can push the resisting block on the positioning cylinder, the reset spring is compressed, the resisting block moves outward along the sliding groove, and then the resisting block is pressed against the inner wall of the hole of the slope rock-soil, thereby limiting the position of the detection cylinder, ensuring the accuracy of the detection cylinder monitoring, and the elastic support frame can be deep into the detection cylinder during the left movement of the detection cylinder, and the elastic support frame is pressed against the inner wall of the flexible cylinder when the wedge-shaped block is in place, thereby supporting the flexible cylinder and avoiding the collapse of the flexible cylinder to cause monitoring deviation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the accompanying drawings:

[0021] Fig. 1 It is a three-dimensional structure schematic view of the detection cylinder and the positioning cylinder of the deep stress monitoring device for landslide deformation monitoring.

[0022] Fig. 2 It is a sectional structure schematic view of the detection cylinder and the positioning cylinder of the deep stress monitoring device for landslide deformation monitoring.

[0023] Fig. 3 It is a local enlarged structure schematic view of A of the deep stress monitoring device for landslide deformation monitoring.

[0024] In the figure: 1, slope body; 11, detection cylinder; 12, positioning cylinder; 2, flexible cylinder; 21, pressure sensor; 22, wire; 23, elastic support frame; 24, containing groove; 3, resisting block; 31, sliding block; 32, sliding groove; 4, reset spring; 5, wedge-shaped block. DETAILED DESCRIPTION

[0025] Please refer to Figs. 1-3The utility model provides a technical scheme: a deep stress monitoring device for landslide deformation monitoring, including detection cylinder 11, detection cylinder 11 is arranged in the inside of slope body 1, and one side of detection cylinder 11 is provided with positioning cylinder 12, and the middle part of detection cylinder 11 is provided with flexible cylinder 2, and the inner wall of flexible cylinder 2 is bonded with pressure sensor 21, and the other side of positioning cylinder 12 is fixedly installed with elastic support frame 23, and elastic support frame 23 is movably connected with one side of detection cylinder 11, and the upper and lower sides of positioning cylinder 12 are all provided with containing groove 24, and the inner chamber of containing groove 24 is provided with abutment 3, and the inner wall of containing groove 24 is all provided with sliding slot 32, and the both sides of abutment 3 are all fixedly installed with sliding block 31, and the side of detection cylinder 11 close to positioning cylinder 12 is fixedly installed with wedge block 5, and elastic support frame 23 is annularly distributed, and the end of elastic support frame 23 is attached with the inner wall of detection cylinder 11, and through the setting of elastic support frame 23, the inner wall of flexible cylinder 2 can be supported, and wedge block 5 is movably connected with the inner chamber of positioning cylinder 12, and abutment 3 is arranged on the both sides of wedge block 5, and through the setting of wedge block 5, two abutments 3 can be simultaneously pushed, and pressure sensor 21 is annularly distributed, and the output end of pressure sensor 21 is connected with wire 22, and the inside of slope rock-soil can be conveniently monitored in deformation force.

[0026] The inner chamber of sliding slot 32 is fixedly installed with return spring 4, and the other end of return spring 4 is fixedly connected with sliding block 31, and through the setting of return spring 4, abutment 3 can be rebounded and reset, and then detection cylinder 11 can be conveniently positioned.

[0027] The size of sliding block 31 is adapted to the size of sliding slot 32, and sliding block 31 is slidably connected with sliding slot 32, and through the cooperation of sliding block 31 and sliding slot 32, the stability of abutment 3 movement can be ensured.

[0028] During monitoring, first, the slope rock-soil is perforated, then positioning cylinder 12 and detection cylinder 11 are inserted into the hole of slope rock-soil, then detection cylinder 11 is pushed to move left, wedge block 5 on detection cylinder 11 pushes abutment 3 on positioning cylinder 12, simultaneously compresses return spring 4, makes abutment 3 move outward along sliding slot 32, then makes abutment 3 abut on the inner wall of hole of slope rock-soil, then limits the position of detection cylinder 11, then ensures the accuracy of detection cylinder 11 monitoring, then cooperates flexible cylinder 2 and pressure sensor 21 to monitor the pressure of deformation of slope body 1, and during the left movement of detection cylinder 11, elastic support frame 23 will be deep into detection cylinder 11, then when wedge block 5 is in place, elastic support frame 23 will abut on the inner wall of flexible cylinder 2, thereby supporting flexible cylinder 2, avoiding the situation that the collapse of flexible cylinder 2 causes monitoring deviation.

Claims

1. A deep stress monitoring device for landslide deformation monitoring, comprising a detection cylinder (11), characterized in that: The detection cylinder (11) is arranged inside the slope body (1), one side of the detection cylinder (11) is provided with a positioning cylinder (12), the middle part of the detection cylinder (11) is provided with a flexible cylinder (2), the inner wall of the flexible cylinder (2) is bonded with a pressure sensor (21), the other side of the positioning cylinder (12) is fixedly installed with an elastic support frame (23), the elastic support frame (23) is movably connected with one side of the detection cylinder (11), the upper and lower sides of the positioning cylinder (12) are both provided with containing grooves (24), the inner cavity of the containing groove (24) is provided with a resisting block (3), the inner wall of the containing groove (24) is both provided with a sliding groove (32), the two sides of the resisting block (3) are both fixedly installed with a sliding block (31), one side of the detection cylinder (11) close to the positioning cylinder (12) is fixedly installed with a wedge block (5).

2. The deep stress monitoring device for landslide deformation monitoring according to claim 1, characterized in that: The inner cavity of the sliding groove (32) is fixedly installed with a reset spring (4), and the other end of the reset spring (4) is fixedly connected with the sliding block (31).

3. The deep stress monitoring device for landslide deformation monitoring according to claim 1, characterized in that: The size of the sliding block (31) is matched with the size of the sliding groove (32), and the sliding block (31) is slidably connected with the sliding groove (32).

4. The deep stress monitoring device for landslide deformation monitoring according to claim 1, characterized in that: The elastic support frame (23) is annularly distributed, and the end of the elastic support frame (23) is attached to the inner wall of the detection cylinder (11).

5. The deep stress monitoring device for landslide deformation monitoring according to claim 1, characterized in that: The wedge block (5) is movably connected with the inner cavity of the positioning cylinder (12), and the resisting block (3) is arranged on the two sides of the wedge block (5).

6. The deep stress monitoring device for landslide deformation monitoring according to claim 1, characterized in that: The pressure sensor (21) is annularly distributed, and the output end of the pressure sensor (21) is connected with a wire (22).

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