Earth surface deformation monitoring device

Abstract

The utility model discloses an earth surface deformation monitoring device, relates to the earth surface deformation monitoring technology field, and comprises a monitoring box, four side parts of the monitoring box are respectively provided with a wire box, the wire box is provided with a displacement sensor, the interior of the wire box is provided with a stay wire, the end part of the stay wire extends to the outside of the monitoring box and is fixedly connected with a connector, and the connector is fixedly connected with the earth surface deformation monitoring device. The outer wall of the monitoring box is provided with a fixing mechanism used for fixing the stay wire, and the connector is provided with a connecting mechanism. According to the utility model, the plurality of monitoring boxes are arranged and are connected through the connecting mechanisms and the stay wires to form a net-shaped structure, so that the change trend of large-area surface deformation can be monitored, the position change of the monitoring boxes can be monitored in real time through the posture sensing pieces, and the stability of the stay wire connection is combined; long-term and accurate monitoring of large-range earth surface deformation is effectively achieved, and compared with a traditional single monitoring point, the scheme has more efficient sensing capacity.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface deformation monitoring technical field especially relates to a surface deformation monitoring device. BACKGROUND

[0002] Due to the increasing demand of infrastructure and geological disaster point safety monitoring, understanding the surface deformation trend of slope and other structures is crucial for maintaining structural stability. The current traditional surface deformation monitoring method mainly has two types: the first type is to use Beidou satellite navigation system for accurate positioning, but this scheme can only realize the displacement trend of a single monitoring point, and cannot assist in judging the deformation trend through multi-point displacement; the second type is to bury the Beidou positioning antenna on the surface or inside the monitored object, and connect it with the multi-antenna converter through wireless, which can accurately measure the movement of the object, but also has the problems of complex structure, power supply difficulty, high cost, limited application scenarios, etc. Therefore, a surface deformation monitoring device is needed to solve the above problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a surface deformation monitoring device to solve the technical problems raised in the background art.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a surface deformation monitoring device, comprising a monitoring box, four edge parts of the monitoring box are provided with a wire box, a displacement sensor is arranged on the wire box, and a pull wire is arranged in the wire box, the end of the pull wire extends to the outside of the monitoring box and is fixedly connected with a connector, a fixing mechanism for fixing the pull wire is arranged on the outer wall of the monitoring box, and a connecting mechanism is arranged on the connector.

[0005] The connecting mechanism comprises a fixed rod fixedly installed at the end of the connector, one end of the fixed rod is fixedly connected with a plug block, a plug slot matched with the plug block is formed in the fixed rod, a limiting hole is formed in the plug block, and a limiting block is symmetrically and slidably installed on the inner wall of the plug slot.

[0006] Further, a guide rod for the limiting block to slide up and down is symmetrically installed on the fixed rod, a telescopic spring is sleeved on the outer part of the guide rod, and the upper and lower ends of the telescopic spring are fixedly installed on the end of the guide rod and the limiting block respectively, and a pull ring is further installed on the side of the limiting block away from the fixed rod.

[0007] Further, a sharp corner head is arranged at the end of the plug block.

[0008] Further, the fixing mechanism comprises two fixing tables fixedly installed outside the monitoring box, the two fixing tables are arranged on the upper and lower sides of the pull wire respectively, a sliding rod is slidably connected inside the fixing table, and a clamping block is fixedly connected to the lower end of the sliding rod.

[0009] Further, the outer part of the sliding rod is further sleeved with a connecting spring, and the upper and lower ends of the connecting spring are fixedly installed on the fixing table and the clamping block respectively.

[0010] Further, the inside of the monitoring box is installed with a posture sensing piece and a storage battery, and the top side of the monitoring box is provided with an antenna and a solar panel.

[0011] By means of the above technical scheme, the ground surface deformation monitoring device has at least the following beneficial effects:

[0012] 1. The monitoring device comprises a plurality of monitoring boxes connected to form a net-shaped structure through the connecting mechanism and the pull wire, can monitor the change trend of large-area surface deformation, and can monitor the position change of the monitoring box in real time through the posture sensing piece, has higher sensing ability compared with the traditional single monitoring point, and can effectively realize long-term and accurate monitoring of large-scale ground surface deformation.

[0013] 2. The fixing mechanism can ensure the stability of the pull wire, prevent the automatic winding and unwinding of the pull wire from affecting the monitoring effect of the monitoring box during the monitoring process, and ensure the accuracy of equipment detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the application, constitute a part of this application, illustrate the illustrative embodiments of the application and the description thereof, and do not constitute an improper limitation of the application. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the monitoring box structure of the utility model;

[0017] Figure 3 It is Figure 2 the enlarged view of A shown in the figure;

[0018] Figure 4 It is a schematic diagram of the connecting mechanism structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the pull wire connection of the utility model.

[0020] In the figure: 1, monitoring box; 2, wire box; 3, displacement sensor; 4, connecting head; 5, fixing mechanism; 51, fixed table; 52, sliding rod; 53, clamping block; 54, connecting spring; 6, connecting mechanism; 61, fixed rod; 62, plug block; 63, plug groove; 64, limiting hole; 65, guide rod; 66, limiting block; 67, telescopic spring; 68, pull ring; 69, sharp corner head; 7, pull wire; 8, attitude sensing piece; 9, battery; 10, antenna; 11, solar panel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] The traditional ground surface deformation monitoring method is to use Beidou satellite navigation system for accurate positioning, but this kind of scheme can only realize the displacement change trend of a single monitoring point, and cannot assist in judging the deformation trend through multi-point displacement, or the Beidou positioning antenna is buried on the surface or inside the monitored object, and is connected with the multi-antenna converter through wireless, which can accurately measure the movement of the object, but also has the problems of complex structure, power supply difficulty, high cost, limited application scene, etc.

[0023] To solve the defects of the above-mentioned monitoring device in the use process, please refer to Figures 1-5The utility model provides a kind of ground surface deformation monitoring device, can carry out long-term, accurate monitoring to large-area surface deformation.This monitoring device with a monitoring box 1 as foundation, inside monitoring box 1 is installed with attitude sensing piece 8 and battery 9, attitude sensing piece 8 includes electronic gyroscope, acquisition circuit etc., electronic gyroscope can real-time output the spatial attitude of monitoring box 1 horizontal direction and vertical direction, acquisition circuit is composed of power management circuit, CPU data processing circuit, communication circuit etc., to perceive the displacement change of monitoring box 1, battery 9 is used to power monitoring box 1, and the top side of monitoring box 1 is provided with antenna 10 and solar panel 11, solar panel 11 is used to convert solar energy into electric energy, ensure the endurance of monitoring box 1, antenna 10 is used to receive and send the signal collected by attitude sensing piece 8;Monitoring box 1 is installed with wire box 2 at four edge parts, wire box 2 is provided with displacement sensor 3, and wire box 2 is installed with pull wire 7 inside, displacement sensor 3 is used to collect the length of pull wire 7, wire box 2 is provided with winding shaft, pull wire 7 is wound on winding shaft, and torsional spring is provided on winding shaft, to roll up pull wire 7, the end of pull wire 7 extends to the outside of monitoring box 1 and is fixedly connected with connector 4, connector 4 is provided with connecting mechanism 6, connecting mechanism 6 is used to connect the pull wire 7 on adjacent two monitoring boxes 1.The arrangement, multiple monitoring boxes 1 can be connected together by pull wire 7 to form mesh structure, so that monitoring box 1 and pull wire 7 are in suitable starting position, and the initial coordinates of each monitoring box 1 in space are obtained by auxiliary measuring equipment such as total station, the initial position of attitude sensing piece 8 in monitoring box 1 is recorded in system, under normal circumstances, monitoring box 1 is in force balance state under the action of pull wire 7, ensure the position stability of spatial orientation sensing device, when certain monitoring box 1 moves and drives the displacement of entire mesh structure, all monitoring boxes 1 in mesh will change spatial orientation and displacement simultaneously, attitude sensing piece 8 can rotate with monitoring box 1, the spatial attitude change of monitoring box 1 is collected by electronic gyroscope and output to CPU data processing circuit, and signal transmission is carried out by antenna 10, to form node spatial state sensing and displacement sensing in a limited space range, form the displacement deformation monitoring of a surface, compared with traditional single monitoring point, the present scheme has more efficient sensing ability, can carry out long-term monitoring to surface displacement in large-area range.

[0024] In order to realize the connection of the pull wire 7, the connecting mechanism 6 is arranged as a fixed rod 61 fixedly installed at the end of the connecting head 4, one end of the fixed rod 61 is fixedly connected with an insertion block 62, and the fixed rod 61 is provided with an insertion slot 63 matched with the insertion block 62, the insertion block 62 is provided with a limiting hole 64, the inner wall of the insertion slot 63 is symmetrically and slidably provided with a limiting block 66 matched with the limiting hole 64, the fixed rod 61 is symmetrically provided with a guide rod 65 for the limiting block 66 to slide up and down, the guide rod 65 is externally sleeved with a telescopic spring 67, the upper and lower ends of the telescopic spring 67 are fixedly installed on the end of the guide rod 65 and the limiting block 66 respectively, and a pull ring 68 is further installed on the side of the limiting block 66 away from the fixed rod 61, when two pull wires 7 are connected, the fixed rods 61 on the two pull wires 7 are aligned, the insertion block 62 is inserted into the insertion slot 63, the limiting block 66 can enter the limiting hole 64 through the elastic force of the telescopic spring 67, the limiting hole 64 is fixed, and then the two fixed rods 61 are connected together, so that the connection of the two pull wires 7 is realized, a plurality of monitoring boxes 1 are connected through the pull wires 7, and a net structure is formed, and the connecting mechanism 6 can guarantee the stable connection between the pull wires 7 and prevent the pull wires 7 from being disconnected.

[0025] Referring to Figure 4 As shown in the figure, the end of the insertion block 62 is provided with a sharp corner head 69, the sharp corner head 69 is arranged to facilitate the insertion block 62 to pass between the two limiting blocks 66, and during installation, the two insertion blocks 62 and the insertion slot 63 are only required to be aligned and inserted, so that the fixing is realized, and the operation convenience is improved.

[0026] In order to guarantee the stability of the pull wire 7, the outer wall of the monitoring box 1 is provided with a fixing mechanism 5 for fixing the pull wire 7, the fixing mechanism 5 comprises two fixed tables 51 fixedly installed on the outside of the monitoring box 1, the two fixed tables 51 are arranged on the upper and lower sides of the pull wire 7 respectively, a sliding rod 52 is slidably connected in the fixed table 51, a clamping block 53 is fixedly connected to the lower end of the sliding rod 52, and a connecting spring 54 is further sleeved on the outer side of the sliding rod 52, the upper and lower ends of the connecting spring 54 are fixedly installed on the fixed table 51 and the clamping block 53 respectively, and the two clamping blocks 53 can clamp and fix the pull wire 7 through the elastic force of the connecting spring 54, so that the length of the pull wire 7 is conveniently controlled, the monitoring box 1 can be arranged at a suitable point, and the automatic winding and unwinding of the pull wire 7 during the monitoring process is prevented from affecting the monitoring effect of the monitoring box 1.

[0027] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model are not explained in detail.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A surface deformation monitoring device, comprising a monitoring box (1), characterized in that: The monitoring box (1) is equipped with a junction box (2) on each of its four sides. A displacement sensor (3) is installed on the junction box (2). A pull wire (7) is installed inside the junction box (2). The end of the pull wire (7) extends to the outside of the monitoring box (1) and is fixedly connected to a connector (4). The outer wall of the monitoring box (1) is provided with a fixing mechanism (5) for fixing the pull wire (7). A connecting mechanism (6) is provided on the connector (4). The connecting mechanism (6) includes a fixing rod (61) fixedly installed at the end of the connector (4). One end of the fixing rod (61) is fixedly connected to a plug (62), and a slot (63) adapted to the plug (62) is provided on the fixing rod (61). A limiting hole (64) is provided on the plug (62). A limiting block (66) is symmetrically slidably installed on the inner wall of the slot (63). The limiting block (66) is adapted to the limiting hole (64).

2. The surface deformation monitoring device according to claim 1, characterized in that: The fixed rod (61) is symmetrically equipped with guide rods (65) for the limit block (66) to slide up and down. The guide rod (65) is fitted with a telescopic spring (67). The upper and lower ends of the telescopic spring (67) are fixedly installed on the end of the guide rod (65) and the limit block (66) respectively. A pull ring (68) is also installed on the side of the limit block (66) away from the fixed rod (61).

3. The surface deformation monitoring device according to claim 1, characterized in that: The end of the insert (62) is provided with a pointed head (69).

4. The surface deformation monitoring device according to claim 1, characterized in that: The fixing mechanism (5) includes two fixing platforms (51) fixedly installed outside the monitoring box (1). The two fixing platforms (51) are respectively set on the upper and lower sides of the pull line (7). A sliding rod (52) is slidably connected inside the fixing platform (51), and a clamping block (53) is fixedly connected to the lower end of the sliding rod (52).

5. The surface deformation monitoring device according to claim 4, characterized in that: A connecting spring (54) is also sleeved on the outside of the slide rod (52), and the upper and lower ends of the connecting spring (54) are fixedly installed on the fixed platform (51) and the clamping block (53) respectively.

6. The surface deformation monitoring device according to claim 1, characterized in that: The monitoring box (1) is equipped with an attitude sensor (8) and a battery (9), and an antenna (10) and a solar panel (11) are provided on one side of the top of the monitoring box (1).

Images