CN220982224U

CN220982224U - Ground surface displacement monitoring device

Info

Publication number: CN220982224U
Application number: CN202322520692.XU
Authority: CN
Inventors: 李吉振; 孔晓峰; 邹杨
Original assignee: Hangzhou Zhichuang Spacetime Information Technology Co ltd
Current assignee: Hangzhou Zhichuang Spacetime Information Technology Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-05-17
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a ground surface displacement monitoring device, which relates to the field of ground surface monitoring equipment, and comprises a GNSS module, an extension rod, a base and a leveling part, wherein the extension rod is arranged at the lower end of the GNSS module, the base is arranged at the lower end of the extension rod, and the leveling part is arranged in the GNSS module, and is characterized by further comprising: the contrast piece is arranged in the leveling part; one end of the connecting piece is connected with the contrast piece, and the other end of the connecting piece is connected with the inner wall of the leveling part; the horizontal piece is movably arranged in the contrast piece; the roll shaft penetrates through the comparison piece and the horizontal piece to enable the comparison piece and the horizontal piece to be movably connected; the angle displacement sensor is movably connected with one end of the roll shaft. In the using process, the dynamic displacement of the antenna is calculated by the angle displacement sensor according to the rotating direction and the stroke of the roll shaft through the dynamic displacement of the horizontal part due to the self gravity and the contrast part, so that the driving part is controlled to drive the rotating part to rotate the antenna to the horizontal position.

Description

Ground surface displacement monitoring device

Technical Field

The utility model relates to the field of earth surface monitoring equipment, in particular to an earth surface displacement monitoring device.

Background

The GNSS displacement monitoring technology is a displacement monitoring technology for detecting displacement by utilizing a plurality of satellites to calculate three-dimensional coordinate changes of detection points and reference points, and generally comprises a GNSS receiver, a vertical rod, a solar power supply system (solar panel, storage battery and controller), a lightning rod, an equipment box, an antenna and the like, wherein displacement monitoring is realized by combining a Beidou reference station, a Beidou monitoring station and deformation resolving software, and a result is output by the deformation resolving software and then uploaded to a ground disaster monitoring and early warning large platform at a higher layer.

The patent with the publication number CN112923842B as "a three-dimensional earth surface displacement monitoring system and method based on GNSS positioning technology" discloses a method for measuring distance by the following steps: the distance change between the base station and the monitoring points and between the base station and each monitoring point is obtained in real time through an ultra-wideband radio wave flight time ranging technology, and real-time relative position change is calculated based on the real-time distance change to perform early warning.

In the GNSS positioning technology, the accuracy is usually millimeter level, but an antenna for receiving radio waves is generally built in a GNSS receiver, when a monitoring point is in landslide or the like, the antenna can displace along with the landslide surface, so that the antenna device is inclined, the antenna and the surface are relatively displaced, the monitoring accuracy is reduced, and meanwhile, the transmitting and receiving of antenna signals are influenced.

Disclosure of Invention

The utility model aims to provide a ground surface displacement monitoring device, which aims to solve the problems that when a monitoring point is landslide or the like, an antenna can displace along with the landslide ground surface to enable the antenna device to incline, so that the antenna and the ground surface generate relative displacement, the monitoring precision is reduced, and the transmitting and receiving of antenna signals are influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a earth's surface displacement monitoring devices, includes GNSS module, extension pole, base and leveling portion, the extension pole is installed in GNSS module lower extreme, the pedestal mounting is in the lower extreme of extension pole, the inside at the GNSS module is installed to the portion of making level, still includes: the contrast piece is arranged in the leveling part; one end of the connecting piece is connected with the contrast piece, and the other end of the connecting piece is connected with the inner wall of the leveling part; the horizontal piece is movably arranged in the contrast piece; the roll shaft penetrates through the comparison piece and the horizontal piece to enable the comparison piece and the horizontal piece to be movably connected; the angle displacement sensor is movably connected with one end of the roll shaft; the limiting block is fixedly connected to the other end of the roll shaft.

Preferably, the contrast member comprises: the limiting hole is formed in the outer end of the comparison piece; the bearing is fixedly arranged at the inner end of the limiting hole.

Preferably, the GNSS module includes: the protective cover is fixedly clamped at the upper end of the GNSS module;

The antenna is movably arranged in the GNSS module and is used for receiving wireless signals; the rotating part is fixedly connected with the bottom of the antenna and is used for overturning the antenna; the driving part is fixedly connected with the transmission end and provides power for overturning the rotating part; the support plate is fixedly arranged on the inner wall of the GNSS module and provides support for the rotating part and the driving part.

Preferably, the extension rod is used for carrying out height selection according to the height difference between the installation environment object and the GNSS module, so as to reduce the influence of the environment on the antenna receiving signals, and meanwhile, the outer wall of the extension rod is provided with a plurality of groups of connecting pieces, so that the power supply module is additionally arranged.

Preferably, the base is used for connecting the extension rod with the ground surface to be measured, and a concrete layer is additionally arranged at the joint of the base and the ground surface to be measured.

Preferably, the GNSS module further includes a control circuit board, one end of which is electrically connected to the driving part, and one end of which is electrically connected to the angular displacement sensor.

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

1. The contrast piece and the antenna are in a relatively static state, and the dynamic displacement of the GNSS module and the dynamic displacement of the antenna during laying are obtained through the dynamic displacement of the horizontal piece due to the self-gravity of the horizontal piece and the contrast piece, so that the inclination direction and the distance of the antenna are rapidly judged;

2. The horizontal piece drives the roll shaft to rotate, and the angular displacement sensor calculates the dynamic displacement of the antenna according to the rotation direction and the stroke of the roll shaft, so that the driving part is controlled to drive the rotating part to rotate the antenna to the horizontal position;

3. The outer wall of the extension rod is arranged to a plurality of groups of connecting pieces, and the photovoltaic power supply module is additionally arranged, so that the monitoring device can continuously monitor under the environment without an external power supply.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a GNSS module according to the present utility model;

FIG. 3 is a schematic view of the explosive structure of the leveling part of the present utility model.

In the figure: 10-GNSS module; 11-a protective cover; 12-an antenna; 13-a rotating part; 14-a driving part; 15-supporting plates; 16-a control circuit board; 20-an extension rod; 30-a base; 40-leveling part; 41-comparison piece; 42-connecting piece; 421-limiting holes; 422-bearings; 43-horizontal member; 44-roll shafts; 45-an angular displacement sensor; 46-limiting block.

Detailed Description

For a better understanding of the present utility model, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:

Examples:

As shown in fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a earth's surface displacement monitoring devices, includes GNSS module 10, extension pole 20, base 30 and leveling portion 40, and extension pole 20 screw thread is installed in GNSS module 10 lower extreme, and base 3 screw thread is installed in extension pole 20's lower extreme, and leveling portion 40 installs the inside at GNSS module 10, still includes:

A contrast member 41 screw-mounted inside the leveling part 4; a connecting member 42 having one end connected to the contrast member 41 and one end connected to the inner wall of the leveling part 40; a horizontal member 43 movably installed inside the contrast member 41; the roll shaft 44 penetrates through the contrast piece 41 and the horizontal piece 43 to enable the contrast piece 41 and the horizontal piece 43 to be movably connected; the angle displacement sensor 45, the measuring end is movably connected to one end of the roll shaft 44; the limiting block 46 is fixedly connected to the other end of the roll shaft 44.

The leveling part is of a mechanical structure, can keep a normal working state for a long time, has certain structural stability, reduces data errors of ground surface displacement monitoring, and improves measuring and calculating accuracy.

In a new embodiment, the contrast element 41 comprises: a limiting hole 421 formed at the outer end of the contrast member 41;

And a bearing 422 fixedly installed at the inner end of the limiting hole 421.

By arranging the bearing 422, the friction force at the joint of the roll shaft 44 and the supporting point can be reduced, so that the measuring value of the angle displacement sensor 45 is more accurate.

In a new embodiment, the GNSS module 10 includes: the protective cover 11 is fixedly clamped at the upper end of the GNSS module 10; the antenna 12 is movably installed inside the GNSS module 10 and is used for receiving wireless signals;

A rotating part 13 fixedly connected with the bottom of the antenna 12 and used for overturning the antenna 12; the driving part 14 is fixedly connected with the rotating part 13 at the driving end and provides power for overturning the rotating part 13; the support plate 15 is fixedly installed on the inner wall of the GNSS module 10, and provides support for the rotating portion 13 and the driving portion 14.

Through setting up protection casing 11, make the inside subassembly of GNSS module 10, not receive adverse circumstances and influence, increase of service life thereof, antenna 12 is used for receiving the radio signal of a plurality of satellite transmission, carry out three-dimensional location to the antenna, rotary part 13 and antenna 12 bottom threaded connection, make things convenient for the staff to dismouting to rotary part 13, drive part 14 is servo motor drive, be connected with rotary part 13 meshing, can accurately grasp the rotation amplitude, a plurality of notches have been seted up to backup pad 15, for rotary part 13 and drive part 14 provide the support, make the 1 subassembly of GNSS module can the cable UNICOM simultaneously.

In a new embodiment, the extension rod 20 is selected according to the height difference between the installation environment object and the GNSS module 1, so as to reduce the influence of the environment on the signal received by the antenna 12, and meanwhile, a plurality of groups of connectors are arranged on the outer wall of the extension rod 20, so as to install the power supply module.

Through setting up extension pole 20, can improve GNSS module 1 to on the foreign object, reduce the foreign object and shelter from GNSS module 1's signal, power module can be set to photovoltaic power supply, makes GNSS module 10 can be under the no external power state, carries out the operation continuously.

In a new embodiment, the base 30 is used for connecting the extension rod 20 with the ground surface to be measured, and a concrete layer is added at the connection part of the extension rod and the ground surface to be measured.

Through setting up base 30, carry out extension rod 20 fast and be connected with the earth's surface that awaits measuring, when convenient to detach, through addding concrete layer, carry out rust-resistant protection to the screw thread mounting, ensure the firm of tie point.

In a new embodiment, the GNSS module 10 further includes a control circuit board 16, one end of which is electrically connected to the driving portion 14, and one end of which is electrically connected to the angular displacement sensor 45.

By arranging the control circuit board 16, the angle displacement sensor 45 transmits the measured value to the control circuit board 16, the control circuit board 16 performs data measurement and calculation to obtain the displacement value of the antenna 12, so that the control circuit board 16 inputs instructions to the driving part 14 to turn over and level the antenna 12.

The working principle of the application is as follows: when the device is used, when landslide occurs on the ground surface, the antenna 12 is used for synchronizing displacement of the GNSS module 10, the leveling part 40 rotates to the original horizontal position along the comparison part 41 according to self gravity of the horizontal part 43, displacement generated in the rotation process of the horizontal part 43 is measured by the rotation quantity of the roll shaft 44 through the angle displacement sensor 45, the measured signals are synchronously transmitted to the driving part 13 through the control circuit board 16, the driving part 13 is used for driving the rotating part to rotate the antenna to the horizontal position, and thus, when the antenna 12 is inclined due to horizontal displacement, the antenna can be quickly rotated to the horizontal state, and the ground surface ranging error caused by the inclination of the antenna is reduced.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present utility model fall within the protection scope of the present utility model.

Claims

1. The utility model provides a earth's surface displacement monitoring devices, includes GNSS module (10), extension pole (20), base (30) and leveling portion (40), extension pole (20) are installed in GNSS module (10) lower extreme, base (30) are installed in the lower extreme of extension pole (20), leveling portion (40) are installed in the inside of GNSS module (10), its characterized in that still includes:

a comparison member (41) installed inside the leveling part (40);

One end of the connecting piece (42) is connected with the contrast piece (41), and the other end of the connecting piece is connected with the inner wall of the leveling part (40);

A horizontal member (43) movably mounted inside the comparison member (41);

The roll shaft (44) penetrates through the comparison piece (41) and the horizontal piece (43) to enable the comparison piece and the horizontal piece to be movably connected;

An angle displacement sensor (45) movably connected to one end of the roller shaft (44);

the limiting block (46) is fixedly connected with the other end of the roll shaft (44).

2. A surface displacement monitoring device according to claim 1, wherein: the contrast member (41) includes:

A limiting hole (421) arranged at the outer end of the comparison piece (41);

and the bearing (422) is fixedly arranged at the inner end of the limit hole (421).

3. A surface displacement monitoring device according to claim 1, wherein: the GNSS module (10) comprises: the protective cover (11) is fixedly clamped at the upper end of the GNSS module (10);

The antenna (12) is movably arranged in the GNSS module (10) and is used for receiving wireless signals;

The rotating part (13) is fixedly connected with the bottom of the antenna (12) and is used for overturning the antenna (12);

the driving part (14) is fixedly connected with the rotating part (13) at the driving end and provides power for overturning the rotating part (13);

The supporting plate (15) is fixedly arranged on the inner wall of the GNSS module (10) and provides support for the rotating part (13) and the driving part (14).

4. A surface displacement monitoring device according to claim 1, wherein: the extension rod (20) is used for carrying out height selection according to the height difference between an installation environment object and the GNSS module (10) and reducing the influence of the environment on the signals received by the antenna (12), and meanwhile, a plurality of groups of connecting pieces are arranged on the outer wall of the extension rod (20) and used for additionally installing the power supply module.

5. A surface displacement monitoring device according to claim 1, wherein: the base (30) is used for connecting the extension rod (20) with the ground surface to be measured, and a concrete layer is additionally arranged at the joint of the base (30) and the ground surface to be measured.

6. A surface displacement monitoring device according to claim 3, wherein: the GNSS module (10) further comprises a control circuit board (16), one end of which is electrically connected with the driving part (14), and the other end of which is electrically connected with the angle displacement sensor (45).