Slope displacement meter

Abstract

The utility model belongs to the technical field of engineering monitoring equipment, and particularly relates to a side slope displacement meter which comprises a base, a measuring rod and a sleeve, and a sensing mechanism is arranged in the base. One end of the measuring rod is fixedly connected with one end of the base, and a waveguide wire is arranged in the measuring rod; the waveguide wire is connected with the sensing mechanism; a first magnetic ring is arranged at the end, away from the base, of the measuring rod, the measuring rod is sleeved with the sleeve to form a telescopic rod type structure, and a second magnetic ring is fixed to the end, close to the base, of the sleeve. The second magnetic ring can relatively move on the measuring rod along with the sleeve; a support frame is arranged on the sleeve and comprises a head part and a support; the head is used for making contact with the outer surface of a sleeve, the top end of the support is movably connected with the head, and the bottom end of the support is used for being fixedly connected with the surface of a slope. The slope displacement meter adopts the magnetostriction principle, and is simple in structure, convenient to install and high in measurement precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering monitoring equipment technical field, concretely relates to a side slope displacement meter. BACKGROUND

[0002] China is vast in territory, geological structure is active, and topography type is rich and varied, and is affected by monsoon climate, and the distribution of precipitation on time and space is extremely uneven. These factors superimpose each other, make many areas be in the environment of geological disaster prone. In order to guarantee the life and property safety of people, carry out real-time monitoring and early warning to the deformation and damage characteristics of geological disaster body and its influencing factors, and establish perfect geological disaster prevention and control system, have extremely important practical significance. For example, in the natural environment of hill, slope and the engineering construction site of mine, highway, railway, tunnel, because of the existence of side slope, it is relatively easy to cause landslide, debris flow, collapse and other geological disasters. Therefore, the stability of side slope structure must be monitored in real time, so that potential hidden danger can be found in time, and effective measures can be taken in advance, to minimize the risk and loss caused by relevant geological disasters.

[0003] At present, when the surface displacement of side slope is monitored, the most widely used equipment is the tensioned wire displacement meter, and the principle of typical tensioned wire displacement meter is that a steel wire rope (cable) is connected between a fixed point and a measuring point, one end of the steel wire rope is fixed on the measuring point, the other end is connected with a weight through a pulley of the measuring point, an angular displacement sensor is installed at the pulley, and the steel wire rope cable is pulled along with the displacement of the measuring point, so that the relative displacement of the fixed point and the measuring point can be obtained. But the common tensioned wire displacement meter has more components, is inconvenient to transport, and is complex to install and debug on site, and needs to configure sensor support, guide pulley, fixed base and protection iron box and other components on site, so that the installation time is long and the efficiency is low. Therefore, the present application aims at providing a magnetostrictive side slope displacement meter, which is simple in structure and convenient to install. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a side slope displacement meter, which is simple in structure and convenient to install.

[0005] The utility model discloses a technical scheme is: a side slope displacement meter, including base, measuring rod and sleeve pipe, be provided with sensing mechanism in the base, the one end of measuring rod is fixedly connected with the one end of base, is provided with waveguide silk in the inside of measuring rod, waveguide silk is connected with sensing mechanism, the one end of measuring rod is provided with first magnetic ring away from the base, the sleeve pipe is sleeved in the outside of measuring rod, forms telescopic rod formula structure, and the one end fixed with second magnetic ring of sleeve pipe is close to the base, makes second magnetic ring can be with sleeve pipe on measuring rod relative movement, is provided with support frame on the sleeve pipe, the support frame includes head and support, the head is used for with the outer surface contact of sleeve pipe, the top of support is movably connected with head, and the bottom of support is used for with the surface fixed connection of side slope.

[0006] Further, the support frame has multiple and is spaced on the sleeve pipe.

[0007] Further, the head of support frame is annular and is sleeved on the sleeve pipe. Preferably, the head is made of two semicircular rings and is easy to assemble and disassemble. Preferably, the head can also be U-shaped.

[0008] Further, the head and the sleeve pipe are slidably connected, so that the head only has a supporting effect and does not affect the axial movement of the sleeve pipe.

[0009] Further, the support is of telescopic structure. Preferably, a telescopic rod structure is used, and the vertical height of the head of each support frame can be flexibly adjusted through the telescopic of the support, so that the sleeve pipe is kept parallel to the surface of the side slope.

[0010] Further, the length of the measuring rod is adapted to the length of the sleeve pipe. Preferably, the length of the measuring rod is smaller than the length of the sleeve pipe.

[0011] Further, the sum of the lengths of the measuring rod and the sleeve pipe exceeds the length of the side slope to be measured.

[0012] Further, the support frame is also provided on the measuring rod.

[0013] Further, the anchor seat is used for fixing the end of the sleeve pipe and the base to the top and the bottom of the side slope respectively.

[0014] Further, the other end of the base is connected with the cable, and the collected signal is sent to the host computer through the cable.

[0015] Further, the support can be a hollow column, and a settlement meter is arranged in the inside of the support. The measuring rod of the settlement meter can be implanted into the side slope at different depths, so that the vertical settlement change of the side slope can be measured. Preferably, the support is directly used as a protective shell of the settlement meter.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: The slope displacement meter in this utility model adopts the principle of magnetostriction, has a simple structure, is easy to install, and has high measurement accuracy; In this utility model, a settlement meter can be integrated into the support of the support frame to monitor the vertical displacement and settlement of the slope, providing practical support for the subsequent establishment of a multi-dimensional and multi-functional monitoring and management system for slopes. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of a portion of the structure of Embodiment 1 of this utility model;

[0019] Figure 3 This is a schematic diagram of the support frame in Embodiment 1 of this utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of the overall structure of Embodiment 1 of this utility model;

[0021] In the figure: 1. Base; 2. Measuring rod; 21. Waveguide wire; 3. Sleeve; 4. Anchor seat; 5. Support frame; 51. Head; 52. Support; 61. First magnetic ring; 62. Second magnetic ring; 7. Settlement meter. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to specific embodiments. Methods or functional components not specifically described in the embodiments are all prior art. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0023] Example 1

[0024] like Figures 1-4 As shown, this embodiment is a slope displacement gauge, including a base 1, a measuring rod 2, and a sleeve 3. A sensing mechanism is provided in the base 1. One end of the measuring rod 2 is fixedly connected to one end of the base 1. A waveguide wire 21 is provided inside the measuring rod 2. The waveguide wire 21 is connected to the sensing mechanism. A first magnetic ring 61 is provided at the end of the measuring rod 2 away from the base 1. The sleeve 3 is sleeved on the outside of the measuring rod 2 to form a telescopic rod structure. A second magnetic ring 62 is fixed at the end of the sleeve 3 near the base 1, so that the second magnetic ring 62 can move relative to the measuring rod 2 with the sleeve 3. A support frame 5 is provided on the sleeve 3. The support frame 5 includes a head 51 and a support 52. The head 51 is used to contact the outer surface of the sleeve 3. The top end of the support 52 is fixedly connected to the head 51, and the bottom end of the support 52 is fixedly connected to the slope.

[0025] In the embodiment, the support frame 5 has a plurality of head portions 51 in U shape, and the head portions 51 are slidably connected with the sleeve 3, so that the head portions 51 can support the sleeve 3 and the sleeve 3 can move along the axial direction.

[0026] In the embodiment, the support base 52 is in telescopic rod structure, and the vertical height of the head portion 51 of each support frame 5 can be adjusted by the telescopic rod, so that the sleeve 3 can be parallel to the surface of the slope.

[0027] In the embodiment, the length of the measuring rod 2 is adapted to the length of the sleeve 3, that is, the length of the measuring rod 2 is substantially the same as the length of the sleeve 3, and the sum of the lengths of the measuring rod 2 and the sleeve 3 is greater than the length of the slope to be measured.

[0028] In the embodiment, the other end of the base 1 is connected with a cable, and the collected signals are transmitted to a host computer through the cable, and the host computer is a computer.

[0029] In the embodiment, the support base 52 is hollow, and a settlement meter 7 is arranged in the support base 52, and the measuring rod of the settlement meter 7 can be implanted into the slope at different depths, so that the vertical settlement change in the slope can be measured.

[0030] The embodiment further comprises an anchoring base 4, and the anchoring base 4 is used for fixing one end of the sleeve 3 and the base 1 to the top and the bottom of the slope, respectively.

[0031] The principle of the embodiment is that the magnetic field change caused by the movement of the magnetic ring can excite a strain wave in the waveguide wire 21, and the strain wave is sensed by a sensing mechanism, and the relative position of the magnetic ring can be obtained by calculating the time difference of the strain wave propagation, and then the displacement change between the two anchoring bases 4 can be calculated.

[0032] The above is only some embodiments of the utility model, and is not used for limiting the utility model, and for the person skilled in the art, the utility model can have the combination and modification of the foregoing various technical features, and the person skilled in the art can improve, modify, equivalent replace the utility model, or use the structure or method of the utility model in other fields to obtain the same effect, which all belong to the protection scope of the utility model.

Claims

1. A slope displacement meter characterized by: The application relates to a slope measuring device, which comprises a base, a measuring rod and a sleeve, the base is provided with a sensing mechanism, one end of the measuring rod is fixedly connected with one end of the base, a waveguide wire is arranged in the measuring rod, the waveguide wire is connected with the sensing mechanism, a first magnetic ring is arranged on the end of the measuring rod away from the base, the sleeve is arranged outside the measuring rod to form an extension structure, a second magnetic ring is fixedly arranged on the end of the sleeve close to the base, the second magnetic ring is relatively moved on the measuring rod along with the sleeve, a supporting frame is arranged on the sleeve, the supporting frame comprises a head and a support, the head is used for contacting the outer surface of the sleeve, the support is kept vertical, the top end of the support is connected with the head, and the bottom end of the support is fixed on the slope. The supporting frame is multiple and is distributed on the sleeve at intervals.

2. The slope displacement meter of claim 1, wherein: The head is annular or U-shaped.

3. The slope displacement meter of claim 1, wherein: The head is composed of two semicircular rings.

4. The slope displacement meter of claim 1, wherein: The support is of an extension structure.

5. The slope displacement meter of claim 1, wherein: The length of the measuring rod is adapted to the length of the sleeve.

6. The slope displacement meter of claim 1, wherein: The length of the measuring rod is smaller than the length of the sleeve.

7. The slope displacement meter of claim 1, wherein: The sum of the lengths of the measuring rod and the sleeve exceeds the length of the slope to be measured.

8. The slope displacement meter of claim 1, wherein: The application further relates to an anchor seat for fixing the base or the sleeve on the top and the bottom of the slope respectively.

9. The slope displacement meter of claim 1, wherein: The support is a hollow column, and a settlement instrument is arranged in the support.

10. The slope displacement meter of claim 1, wherein: ​

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