Probe capable of being used for rock-soil settlement measurement

Abstract

The utility model relates to the technical field of rock-soil measurement probes, and discloses a probe for rock-soil settlement measurement, which comprises a probe main body, and a sleeve is fixedly mounted at the top of the probe main body; annular discs are fixedly sleeved on the surfaces of the probe main body and the sleeve; a plurality of sets of abutting pieces which are annularly arranged at equal intervals are arranged between the two sets of annular discs. A telescopic rod is fixed between the abutting piece and the annular disc. An inclined block is fixed to the inner side wall of the abutting piece, and the outer surface of the probe body is slidably sleeved with a sliding shell. According to the probe capable of being used for rock-soil settlement measurement, the stability of the probe main body in a hole can be improved, so that measurement errors caused by movement or deviation of the probe main body are reduced, the reliability of a measurement system is improved, and the measurement accuracy is improved. The use effect of the structure is improved, and the actual use requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to geotechnical survey probe technical field, specifically a kind of probe for geotechnical settlement measurement. BACKGROUND

[0002] The stability monitoring of geotechnical engineering becomes more and more important, and geotechnical settlement is one of the important indicators for evaluating the stability of engineering. Therefore, the development of geotechnical settlement measurement technology has attracted widespread attention.

[0003] In order to improve the accuracy and convenience of geotechnical settlement measurement, a measurement technology based on probe has appeared in recent years. This technology places the probe in the pre-set measurement hole, and monitors the displacement of the geotechnical body through the probe sensing or transmitting the displacement information of the geotechnical body. The existing probe is unstable in the measurement hole, and the movement or deviation of the probe will affect the accuracy of the data, which reduces the use effect of the structure. Therefore, we propose a probe for geotechnical settlement measurement to solve the above problems. SUMMARY

[0004] In view of the shortcomings of the prior art, the utility model provides a probe for geotechnical settlement measurement, which solves the problem of instability of the probe in the measurement hole, which is prone to movement or deviation of the probe and affects the accuracy of the data.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a probe for geotechnical settlement measurement, comprising a probe main body, a sleeve fixedly installed on the top of the probe main body;

[0006] The surface of the probe main body and the sleeve is fixedly provided with an annular disc;

[0007] A plurality of annularly equidistantly arranged contact pieces are arranged between the two groups of annular discs;

[0008] A telescopic rod is fixed between the contact piece and the annular disc;

[0009] An inclined block is fixed to the inner side wall of the contact piece, and a sliding shell is slidingly arranged on the outer surface of the probe main body;

[0010] A plurality of electric push rods for driving the sliding shell to move up and down are installed on the annular disc at the top;

[0011] The surface of the sliding shell is fixedly provided with a pressing block corresponding to the inclined block.

[0012] Preferably, the edge surface of the annular disc is provided with a mounting groove near one side of the telescopic rod, the telescopic rod is located in the mounting groove, the inside of the annular disc is provided with a mounting hole matched with the electric push rod, the electric push rod is fixedly installed in the mounting hole of the annular disc, and the output end of the electric push rod is connected with the top end of the sliding shell.

[0013] Preferably, the top end of the sliding shell is provided with a through hole which can slide on the surface of the sleeve.

[0014] Preferably, the side of the abutting piece away from the inclined block is designed in an arc surface structure.

[0015] Preferably, the side of the extrusion block is provided with an inclined surface matched with the inclined block, a plurality of groups of rectangular grooves are formed in the position of the inclined surface of the extrusion block, and rollers are arranged in the rectangular grooves, the rollers are rotationally connected with the extrusion block through rotating shafts, and the rollers are partially located outside the extrusion block.

[0016] Preferably, the surface of the telescopic rod is provided with a spring, and the two ends of the spring are fixedly connected with the abutting piece and the annular disc respectively.

[0017] Beneficial effects

[0018] The utility model provides a probe can be used for geotechnical settlement measurement. Compared with prior art has the following beneficial effects:

[0019] The probe can be used for geotechnical settlement measurement, can increase the stability of the probe main body in the hole, thereby reducing the measurement error caused by the movement or deviation of the probe main body, increasing the reliability of the measurement system, improving the use effect of this structure, and meeting the actual use demand. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the structure schematic view of the utility model extrusion block and sliding shell connection spare;

[0022] Figure 3 It is the annular disc structure partial section view of the utility model.

[0023] In the drawing: 101, probe main body;102, sleeve;103, annular disc;104, mounting groove;105, abutting piece;106, inclined block;107, extrusion block;108, sliding shell;109, electric push rod;110, telescopic rod;111, spring;112, roller. DETAILED DESCRIPTION

[0024] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model below, apparently, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0025] As Figure 1 Indicated:

[0026] A probe can be used for geotechnical settlement measurement, comprising a probe body 101.

[0027] In the present embodiment: to solve the technical problems existing in the prior art, as disclosed in the background art above, "in order to improve the accuracy and convenience of geotechnical settlement measurement, in recent years, a kind of measurement technology based on probe has appeared. This technology realizes the monitoring of geotechnical settlement by placing the probe in the pre-set measurement hole and sensing or transmitting the displacement information of geotechnical mass through the probe. The existing probe is unstable in the measurement hole, and the movement or deviation of the probe will affect the accuracy of the data and reduce the use effect of the structure", in combination with use, this problem is obviously a real problem and is relatively difficult to solve. The power equipment involved in the product is powered by external power supply.

[0028] Further:

[0029] As Figures 1-3 Indicated:

[0030] In combination with the above content: the top of the probe body 101 is fixedly installed with a sleeve 102;

[0031] The surface of the probe body 101 and the sleeve 102 is fixedly sleeved with an annular disc 103;

[0032] A plurality of annular discs 103 are arranged between the two groups of annular discs 103;

[0033] The annular disc 103 is fixedly connected with a telescopic rod 110 between the annular disc 103 and the annular disc 103;

[0034] The inner side wall of the annular disc 103 is fixedly connected with an inclined block 106, and the outer surface of the probe body 101 is slidably sleeved with a sliding shell 108;

[0035] A plurality of electric push rods 109 for driving the sliding shell 108 to move up and down are installed on the annular disc 103 at the top;

[0036] The surface of the sliding shell 108 is fixedly connected with a pressing block 107 corresponding to the inclined block 106, and one side of the inclined block 106 is designed as an inclined surface structure;

[0037] The edge surface of the annular disc 103 is provided with a mounting groove 104 on the side close to the telescopic rod 110, the telescopic rod 110 is located in the mounting groove 104, the inside of the annular disc 103 is provided with a mounting hole matched with the electric push rod 109, the electric push rod 109 is mounted and fixed in the mounting hole of the annular disc 103, and the output end of the electric push rod 109 is connected with the top end of the sliding shell 108.

[0038] The top end of the sliding shell 108 is provided with a through hole which can slide on the surface of the sleeve 102.

[0039] In the embodiment, the probe for measuring the settlement of rock and soil is used first to drill a hole at a designed measuring position, and the hole diameter is larger than the outer dimension of the annular disc 103;

[0040] The probe is connected with a data acquisition system through a cable, and the probe is carefully placed into the hole to a predetermined depth, and the cable can pass through the hole in the sleeve 102 and be connected with the probe body 101;

[0041] After the probe body 101 reaches the specified depth, the electric push rod 109 is started to drive the sliding shell 108 to move upwards, a plurality of extrusion blocks 107 are driven by the sliding shell 108 to move upwards synchronously, one side of the inclined block 106 is designed as an inclined surface structure, the inclined block 106 is extruded when the extrusion blocks 107 continuously move upwards, so that the inclined block 106 expands outward, the inclined block 106 drives the contact sheet 105 to expand outward, the contact sheet 105 drives the telescopic rod 110 to stretch, and the telescopic rod 110 is arranged for connecting the contact sheet 105 and the annular disc 103;

[0042] The contact sheet 105 expands outward to extrude the inner wall of the hole, and the friction generated by extrusion is used to fix the probe body 101;

[0043] Through the structure operation, the stability of the probe body 101 in the hole can be increased, so that the measurement error caused by the movement or deviation of the probe body 101 is reduced, the reliability of the measurement system is increased, the use effect of the structure is improved, and the actual use requirement is met.

[0044] Further,

[0045] In an optional embodiment, one side of the contact sheet 105 away from the inclined block 106 is designed as an arc surface structure.

[0046] In the embodiment, the outer side surface of the contact sheet 105 is designed as an arc structure, which can increase the contact area when contacting with the inner wall of the hole and improve the extrusion fixing effect.

[0047] Further,

[0048] In an optional embodiment, one side of the extrusion block 107 is provided with an inclined surface matched with the inclined block 106, and a plurality of groups of rectangular grooves are formed at the position of the inclined surface of the extrusion block 107, and a roller 112 is arranged in each rectangular groove, and the roller 112 is rotatably connected to the extrusion block 107 through a rotating shaft, and the roller 112 is partially located outside the extrusion block 107.

[0049] In the embodiment, the extrusion block 107 is provided with a plurality of groups of rollers 112, and the rollers 112 are in contact with the inclined surface of the inclined block 106 when the extrusion block 107 moves upwards, so that the rollers 112 are driven to roll by friction, thereby reducing the friction between the extrusion block 107 and the inclined block 106 and improving the smoothness of the upward movement of the extrusion block 107.

[0050] Further,

[0051] In an optional embodiment, the surface of the telescopic rod 110 is provided with a spring 111, and the two ends of the spring 111 are fixedly connected to the abutting sheet 105 and the annular disc 103, respectively.

[0052] In the embodiment, when the sliding shell 108 drives the extrusion block 107 to move downwards for resetting, the spring 111 in the stretched state is released from the extrusion of the abutting sheet 105, so that the spring 111 is reset to contract, thereby driving the abutting sheet 105 to reset the position.

[0053] The working principle and use process of the utility model are as follows: the probe for measuring the settlement of rock and soil can be used in the following way: first, drill a hole at a designed measuring position, and the hole diameter is larger than the outer dimension of the annular disc 103; connect the probe to a data acquisition system through a cable, and carefully put the probe into the hole to a predetermined depth, and the cable can pass through the hole in the sleeve 102 and be connected to the probe main body 101; after the probe main body 101 reaches the specified depth, start the electric push rod 109, thereby driving the sliding shell 108 to move upwards, and the sliding shell 108 drives a plurality of groups of extrusion blocks 107 to move upwards synchronously, and one side of the inclined block 106 is designed as an inclined surface structure, and the extrusion blocks 107 continuously move upwards, thereby extruding the inclined block 106, so that the inclined block 106 expands outward, and the inclined block 106 drives the abutting sheet 105 to expand outward, and the abutting sheet 105 drives the spring 111 and the telescopic rod 110 to stretch, and the telescopic rod 110 is arranged to connect the abutting sheet 105 and the annular disc 103; the abutting sheet 105 expands outward, thereby extruding the inner wall of the hole, and the friction generated by the extrusion fixes the probe main body 101.

[0054] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

Claims

1. A probe usable for geotechnical settlement measurement, comprising a probe body (101), characterized in that, The top of the probe body (101) is fixedly installed with a sleeve (102); The surfaces of the probe body (101) and the sleeve (102) are both fixedly sleeved with annular discs (103); A plurality of annularly equidistantly arranged abutting pieces (105) are arranged between the two groups of annular discs (103); The abutting pieces (105) and the annular discs (103) are fixedly connected with telescopic rods (110); The inner side walls of the abutting pieces (105) are fixedly connected with inclined blocks (106), and the outer surfaces of the probe body (101) are slidably sleeved with sliding housings (108); The annular disc (103) located at the top is installed with a plurality of electric push rods (109) for driving the sliding housings (108) to move up and down; The surfaces of the sliding housings (108) are fixedly connected with extrusion blocks (107) corresponding to the inclined blocks (106).

2. The probe for geotechnical settlement measurement according to claim 1, characterized in that: The edge surfaces of the annular discs (103) are provided with mounting grooves (104) on the sides close to the telescopic rods (110), the telescopic rods (110) are located in the mounting grooves (104), the interiors of the annular discs (103) are provided with mounting holes matched with the electric push rods (109), the electric push rods (109) are mounted in the mounting holes of the annular discs (103), and the output ends of the electric push rods (109) are connected with the top ends of the sliding housings (108).

3. The probe for geotechnical settlement measurement according to claim 2, characterized in that: The top ends of the sliding housings (108) are provided with through holes capable of sliding on the surfaces of the sleeves (102).

4. The probe useful for geotechnical settlement measurement according to claim 1, wherein: The sides of the abutting pieces (105) away from the inclined blocks (106) are designed in arc surface structures.

5. The probe useful for geotechnical settlement measurement according to claim 1, wherein: The sides of the extrusion blocks (107) are provided with inclined surfaces matched with the inclined blocks (106), a plurality of rectangular grooves are arranged at the positions of the inclined surfaces of the extrusion blocks (107), rollers (112) are arranged in the rectangular grooves, the rollers (112) are rotatably connected with the extrusion blocks (107) through rotating shafts, and the rollers (112) are partially located outside the extrusion blocks (107).

6. The probe useful for geotechnical settlement measurement according to claim 1, wherein: The surfaces of the telescopic rods (110) are wound with springs (111), and the two ends of the springs (111) are fixedly connected with the abutting pieces (105) and the annular discs (103).

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