Dam body deformation monitoring device

Abstract

The utility model relates to a dam body deformation monitoring device, which relates to the technical field of engineering surveying and comprises a cross beam, a supporting upright post is arranged at the end part of the cross beam, a movable seat is arranged on the cross beam in a sliding manner, an adjustable holder is arranged at the top of the movable seat, and a monitor is arranged at the top of the adjustable holder; the bottom of the adjustable holder is provided with an angle adjusting unit used for adjusting the direction of the adjustable holder, the angle adjusting unit comprises a bearing seat, a rotating shaft penetrates through the bearing seat, the top end of the rotating shaft is fixedly connected with the adjustable holder, the bottom end of the rotating shaft is fixedly provided with a gear, and the rotating shaft is sleeved with a torsional spring used for resetting; a plurality of racks used for driving the gear to rotate are arranged on the top of the cross beam and distributed on the cross beam in the length direction of the cross beam. According to the monitoring device, the dam body can be scanned from different angles, more comprehensive and more accurate three-dimensional data are obtained, the monitoring blind area is reduced, the data integrity is improved, the dam body deformation monitoring precision is further improved through multi-angle data fusion, and the monitoring cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engineering surveying technical field, concretely is a dam body deformation monitoring devices. BACKGROUND

[0002] The deformation of dam body is an important index of dam safety condition, once the deformation of dam body exceeds the safety limit, can cause crack, landslide, dam break and other serious accidents, cause the devastating disaster to the downstream area's people life and property safety and ecological environment. Through the long -term monitoring of dam body deformation, can find potential safety hidden danger in advance, take the reinforcement, repair and so on in time, ensure the safe operation of dam. It is a kind of commonly used method to utilize laser scanner to emit laser beam, scan dam body surface, obtain the three-dimensional coordinate data of dam body surface, obtain the deformation condition of dam body by comparing the three-dimensional data of different time points.

[0003] But the existing monitoring device generally sets specific monitoring visual angle when installing, usually can only scan the fixed direction of dam body one or several, is difficult to adjust angle to cover the deformation condition of each area of dam body flexibly, lead to the risk of missing monitoring in the monitoring process, and in order to realize scanning dam body from different angles, need to adopt multiple monitoring equipment to monitor simultaneously, but this can bring significant cost increase.

[0004] Therefore, we provide a dam body deformation monitoring device to solve the problems in the above. SUMMARY

[0005] The utility model discloses a kind of dam body deformation monitoring devices to solve the problems in the above for the problems of background technology.

[0006] The utility model achieves the above-mentioned purposes by the following technical solutions:

[0007] A dam body deformation monitoring device, including crossbeam, the end of the crossbeam is equipped with support column, slidingly equipped with moving seat on the crossbeam, the top of the moving seat is equipped with adjustable holder, the top of the adjustable holder is equipped with monitor;The bottom of the adjustable holder is equipped with angle adjusting unit for adjusting the azimuth of adjustable holder, the angle adjusting unit includes bearing seat, the bearing seat is equipped with rotating shaft, the top of the rotating shaft is fixedly connected with adjustable holder, the bottom of the rotating shaft is fixedly equipped with gear, the rotating shaft is equipped with torsion spring for reset;The top of the crossbeam is equipped with rack for driving gear rotation, the rack is equipped with multiple and is arranged on its length direction, for realizing that monitor is monitored from multiple angles to dam body to obtain comprehensive data.

[0008] As a further optimization scheme of the utility model, the mobile seat includes a frame body and a plurality of rollers on the two side walls inside the frame body, the rollers are matched with the sliding grooves on the side surface of the cross beam, and the frame body is further provided with a motor for driving the rollers to walk and a controller.

[0009] As a further optimization scheme of the utility model, the bearing seat is fixed on the top of the frame body, and the rotating shaft extends to the top of the cross beam through the frame body.

[0010] As a further optimization scheme of the utility model, the top of the cross beam is fixedly provided with a first guide rail, the rack is slidably arranged in the first guide rail and locked by a fastener, and the first guide rail is provided with a first slot hole for the fastener to pass through.

[0011] As a further optimization scheme of the utility model, one end of the mobile seat is provided with a positioning assembly, and the bottom of the cross beam is provided with a fixed wedge block for cooperating with the positioning assembly to determine the moving position of the mobile seat; the fixed wedge block is provided with a plurality of fixed wedge blocks arranged along the length direction of the cross beam, so that the monitor can stop at multiple positions and be monitored.

[0012] As a further optimization scheme of the utility model, the positioning assembly includes a mounting seat fixed on the bottom of the frame body, a first metal sheet is fixed on one side in the mounting seat, a movable rod is provided through the other side in the mounting seat, a second metal sheet is fixed on one end of the movable rod, a movable wedge block is fixed on the other end of the movable rod, and a spring is sleeved on the movable rod between the movable wedge block and the mounting seat; the fixed wedge block is used for extruding the movable wedge block to drive the second metal sheet to abut against the first metal sheet to connect the corresponding signal circuit.

[0013] As a further optimization scheme of the utility model, the bottom of the cross beam is fixedly provided with a second guide rail, the fixed wedge block is slidably arranged in the second guide rail and locked by a fastener, and the second guide rail is provided with a second slot hole for the fastener to pass through.

[0014] The utility model has the advantages that:

[0015] 1、The utility model discloses a cross beam, a mobile seat, a gear and a rack are arranged, so that the monitor can scan the dam body from different angles, obtain more comprehensive and more accurate three-dimensional data, reduce the monitoring blind area, improve the data integrity, multi-angle data fusion further improves the precision of dam body deformation monitoring, and the monitoring task of multiple monitors can be realized by using one monitor, so that the monitoring cost is greatly reduced.

[0016] 2, The utility model discloses a positioning assembly and fixed wedge block are set up, make mobile seat can stop automatically after moving to each monitoring point and carry out the measurement of monitor, the position control of mobile seat on crossbeam is more accurate, ensure that the adjustment direction of monitor is always consistent when each monitoring point is monitored at different time points. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure perspective diagram of the utility model;

[0018] Figure 2 It is the mobile seat structure schematic view of the utility model;

[0019] Figure 3 It is the positioning assembly structure schematic view of the utility model;

[0020] Figure 4 It is the crossbeam bottom structure schematic view of the utility model;

[0021] Figure 5 It is the plane schematic view when the positioning assembly and fixed wedge block of the utility model are in contact;

[0022] Figure 6 It is the installation structure schematic view of rack and fixed wedge block on crossbeam of the utility model.

[0023] In the drawing:

[0024] 1, crossbeam;2, mobile seat;201, frame body;202, gyro wheel;203, motor;204, controller;3, adjustable holder;301, bearing seat;302, gear;303, torsional spring;4, monitor;5, rack;501, first guide rail;502, first slot hole;6, positioning assembly;601, mounting seat;602, first metal sheet;603, movable rod;604, second metal sheet;605, movable wedge block;606, spring;7, fixed wedge block;701, second guide rail;702, second slot hole;8, support column. DETAILED DESCRIPTION

[0025] It is necessary to point out here that the following specific embodiments are only used to further illustrate the application, and cannot be understood as limiting the scope of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0026] Example one

[0027] In order to solve the problem that the dam body deformation monitoring device is difficult to monitor the dam body from different angles, the precision of dam body deformation monitoring is not ideal, and in order to realize monitoring the dam body from different angles, a plurality of monitoring equipment needs to be used, but the cost is high, please refer to Figures 1-2 The utility model provides a dam body deformation monitoring device, including crossbeam 1, the end of crossbeam 1 is equipped with support column 8, the sliding of crossbeam 1 is equipped with mobile seat 2, the top of mobile seat 2 is equipped with adjustable holder 3, the top of adjustable holder 3 is equipped with monitor 4. Through adjustable holder 3, monitor 4 is adjusted to the appropriate monitoring direction, and monitor 4 can be specifically provided as laser scanner, laser scanner is used to emit laser beam, the dam body surface is scanned, the three-dimensional coordinate data of dam body surface is obtained, the deformation of dam body is analyzed by comparing the three-dimensional data of different time points.

[0028] The bottom of adjustable holder 3 is equipped with angle adjusting unit for adjusting the direction of adjustable holder 3, and the angle adjusting unit comprises bearing seat 301, a rotating shaft is arranged through bearing seat 301, the top end of the rotating shaft is fixedly connected with adjustable holder 3, the bottom end of the rotating shaft is fixedly provided with gear 302, and torsional spring 303 for resetting is arranged on the rotating shaft. The top of crossbeam 1 is provided with rack 5 for driving gear 302 to rotate, rack 5 is provided with a plurality of racks and is arranged on the length direction of crossbeam 1, so as to realize that monitor 4 monitors the dam body from multiple angles to obtain comprehensive data. Monitor 4 scans the dam body from different angles, obtains more comprehensive and more accurate three-dimensional data, reduces the monitoring blind area, improves the data integrity, multi-angle data fusion further improves the precision of dam body deformation monitoring, and the monitoring task of multiple laser scanners can be realized by using one monitor 4, so that the monitoring cost is greatly reduced. The setting of gear 302 and rack 5 makes adjustable holder 3 automatically complete the adjustment of angle during movement, and the size of angle adjustment is based on the actual required monitoring condition, which can be controlled by installing rack 5 of different lengths.

[0029] Mobile seat 2 comprises frame body 201 and a plurality of rollers 202 located on the two side walls in frame body 201, the rollers 202 are matched with the sliding groove on the side surface of crossbeam 1, and the frame body 201 is further provided with motor 203 for driving the rollers 202 to walk and controller 204; bearing seat 301 is fixed on the top of frame body 201, and the rotating shaft extends to the upper side of crossbeam 1 through frame body 201. When in use, the rollers 202 are driven to walk along the sliding groove on the side surface of crossbeam 1 by motor 203, the rollers 202 and the sliding groove are all surface treated, the surface roughness is increased, and then the friction is increased, so that mobile seat 2 can be accurately stopped.

[0030] Embodiment two

[0031] On the basis of embodiment one, in order to ensure that the adjustment direction of monitor 4 is always consistent when each monitoring point is monitored at different time points, such asFigures 2-5 As shown, the bottom of one end of the moving seat 2 is provided with a positioning assembly 6, and the bottom of the crossbeam 1 is provided with fixed wedge blocks 7 for cooperating with the positioning assembly 6 to determine the moving position of the moving seat 2.

[0032] The positioning assembly 6 comprises a mounting seat 601 fixed at the bottom of the frame 201, a first metal sheet 602 fixed at one side in the mounting seat 601, an activity rod 603 penetratingly arranged at the other side in the mounting seat 601, a second metal sheet 604 fixed at one end of the activity rod 603, an activity wedge block 605 fixed at the other end of the activity rod 603, and a spring 606 sleeved on the activity rod 603 between the activity wedge block 605 and the mounting seat 601. The fixed wedge block 7 is used to press the activity wedge block 605 to drive the second metal sheet 604 to abut against the first metal sheet 602 to connect the corresponding signal circuit. In use, the positioning assembly 6 moves with the moving seat 2, when the activity wedge block 605 moves to the fixed wedge block 7, it is pressed by the fixed wedge block 7, the activity wedge block 605 drives the activity rod 603 to move to the mounting seat 601, at this time, the spring 606 is compressed, the activity rod 603 drives the second metal sheet 604 to move to the first metal sheet 602 until abutting, at this time, the signal circuit is connected, the controller 204 receives the signal and controls the motor 203 to stop running, so that the moving seat 2 can accurately move to the required position on the crossbeam 1, ensuring that the adjustment direction of the monitor 4 is always consistent at different time points, after the set monitoring time is completed, the controller 204 controls the motor 203 to run again to continue moving to the next monitoring point.

[0033] Embodiment Three

[0034] On the basis of the embodiment one and the embodiment two, in order to improve the adaptability of the device, as shown, Figure 6 As shown, the top of the crossbeam 1 is fixedly provided with a first guide rail 501, the rack 5 is slidingly arranged in the first guide rail 501 and locked by a fastener, and the first guide rail 501 is provided with a first slot hole 502 for the fastener to pass through. The position of the rack 5 on the first guide rail 501 can be adjusted based on actual monitoring needs, and the specification of the rack 5 can also be adjusted based on actual monitoring needs.

[0035] The bottom of the crossbeam 1 is fixedly provided with a second guide rail 701, the fixed wedge block 7 is slidingly arranged in the second guide rail 701 and locked by a fastener, and the second guide rail 701 is provided with a second slot hole 702 for the fastener to pass through. The position of the fixed wedge block 7 on the second guide rail 701 can be adjusted based on actual monitoring needs.

[0036] The above-described embodiments only express one implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A dam deformation monitoring device comprising a crossbeam (1), characterised in that: The end of the crossbeam (1) is provided with a support column (8), the crossbeam (1) is slidably provided with a moving seat (2), the top of the moving seat (2) is provided with an adjustable holder (3), and the top of the adjustable holder (3) is provided with a monitor (4). The bottom of the adjustable holder (3) is provided with an angle adjusting unit for adjusting the direction of the adjustable holder (3), the angle adjusting unit comprises a bearing seat (301), a rotating shaft is penetratingly arranged on the bearing seat (301), the top end of the rotating shaft is fixedly connected with the adjustable holder (3), the bottom end of the rotating shaft is fixedly provided with a gear (302), and a torsional spring (303) for resetting is sleeved on the rotating shaft. The top of the crossbeam (1) is provided with a rack (5) for driving the gear (302) to rotate, the rack (5) is provided with a plurality of racks arranged on the length direction of the crossbeam (1), and the monitor (4) is used for monitoring the dam body from multiple angles to obtain comprehensive data.

2. The dam deformation monitoring device of claim 1, wherein: The moving seat (2) comprises a frame body (201) and a plurality of rollers (202) arranged on the two side walls in the frame body (201), the rollers (202) are matched with the sliding grooves on the side of the crossbeam (1), and the frame body (201) is further provided with a motor (203) for driving the rollers (202) to walk and a controller (204).

3. A dam deformation monitoring apparatus according to claim 2, wherein: The bearing seat (301) is fixed on the top of the frame body (201), and the rotating shaft extends to the top of the crossbeam (1) through the frame body (201).

4. The dam deformation monitoring device of claim 1, wherein: The top of the crossbeam (1) is fixedly provided with a first guide rail (501), the rack (5) is slidably arranged in the first guide rail (501) and locked by a fastener, and the first guide rail (501) is provided with a first slot hole (502) for the fastener to pass through.

5. The dam deformation monitoring apparatus of claim 2, wherein: One end of the moving seat (2) is provided with a positioning assembly (6), and the bottom of the crossbeam (1) is provided with a fixed wedge block (7) matched with the positioning assembly (6) to determine the moving position of the moving seat (2). The fixed wedge block (7) is provided with a plurality of wedge blocks arranged on the length direction of the crossbeam (1), and the monitor (4) is used for staying at multiple positions and monitoring.

6. A dam deformation monitoring apparatus according to claim 5, wherein: The positioning assembly (6) comprises a mounting seat (601) fixed on the bottom of the frame body (201), a first metal sheet (602) is fixedly arranged on one side in the mounting seat (601), an active rod (603) is penetratingly arranged on the other side in the mounting seat (601), a second metal sheet (604) is fixedly arranged on one end of the active rod (603), an active wedge block (605) is fixedly arranged on the other end of the active rod (603), and a spring (606) is sleeved on the active rod (603) between the active wedge block (605) and the mounting seat (601). The fixed wedge block (7) is used for pressing the active wedge block (605) to drive the second metal sheet (604) to abut against the first metal sheet (602) to connect the corresponding signal circuit.

7. The dam deformation monitoring apparatus of claim 5, wherein: The bottom of the crossbeam (1) is fixed with a second guide rail (701), the fixed wedge-shaped block (7) is slidably arranged in the second guide rail (701) and locked by a fastener, and the second guide rail (701) is provided with a second slot hole (702) for the fastener to pass through.

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