A device for detecting water conservancy gates

Abstract

The invention discloses a device for detecting a water conservancy gate, which belongs to the technical field of water conservancy gate detection, and comprises: a detection box, which is a rectangular box with an opening on the side, and two opposite sides of the detection box are connected with floating blocks; two groups of underwater driving mechanisms, which are respectively connected to the opposite sides of the detection box; a control handle, which is connected to the top of the detection box through a traction rope, and a display screen is installed on the control handle; the invention is powered by multiple electromagnets and adsorbed on the gate, so that the inside of the detection box is isolated from the outside, a multi-dimensional force sensor can detect fluid fluctuations in the detection box, so as to determine whether there are holes at the gate, after the water pump draws out the water in the detection box, a pre-cleaning scraper scrapes off dirt on the surface of the gate, and a multi-axis driving mechanism drives an ultrasonic probe to perform detailed detection of each part of the gate one by one, thereby solving the problem of difficulty in detecting large-span water conservancy gates and improving detection accuracy and detection efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of water conservancy gate detection, and in particular relates to a device for water conservancy gate detection. Background Art

[0002] A gate is a control facility used to close and open a water discharge channel.

[0003] Chinese patent (CN202320570430.1) discloses a gate detection device based on a phased array ultrasonic flaw detector, including a controller and a support plate, an electric telescopic plate is fixedly connected to the bottom of the support plate, and a detection component is fixedly connected to the bottom of the electric telescopic plate; the detection component includes a long detection box, a driving member is fixedly connected to one side of the long detection box, the output shaft of the driving member is fixedly connected to a lead screw, a moving block is threadedly matched on the lead screw, the moving block is fixedly connected to an electric telescopic rod on the side close to the gate, the electric telescopic rod is fixedly connected to the support block at one end away from the moving block, an ultrasonic phased array matrix probe and a connecting member are fixedly connected to the support block, a contact ball is fixedly connected to the end of the connecting member away from the support block, and a pressure sensor is provided on the side of the contact ball away from the ultrasonic phased array matrix probe.

[0004] Chinese patent (CN202410808569.4) discloses a detection device for water conservancy gates, including: a detection component and a bracket component; the bracket component includes a mounting horizontal plate, the mounting horizontal plate is connected to a symmetrical vertical plate; the detection component includes a transverse linear module, the two ends of the transverse linear module are respectively connected to symmetrical mounting vertical rods, each of the mounting vertical rods is respectively connected to the corresponding vertical plate, the slider of the transverse linear module is connected to the mounting plate, the middle of the mounting plate is connected to a geological radar, the mounting plate is connected to a group of electric push rods, and the push rods of each of the electric push rods are respectively connected to a test head; the test head includes a test tube. The present invention relates to the field of detection technology, and in particular to a detection device for water conservancy gates.

[0005] At present, some large-span water conservancy gates are in a normally closed state. The existing detection equipment cannot move accurately underwater and detect each part of the gate one by one. Underwater environmental factors will also affect the accuracy of ultrasonic flaw detection, resulting in great difficulty in detecting large-span water conservancy gates, low detection accuracy and low detection efficiency. Summary of the invention

[0006] The purpose of the present invention is to solve the above-mentioned problems and to propose a device for detecting water conservancy gates.

[0007] In order to achieve the above object, the present invention adopts the following technical solution: a device for detecting a water conservancy gate, comprising:

[0008] The detection box is a rectangular box with openings on the sides, and floating blocks are connected to the two opposite sides of the detection box;

[0009] Two sets of underwater driving mechanisms, which are respectively connected to opposite sides of the detection box;

[0010] A control handle, which is connected to the top of the detection box through a traction rope, and a display screen is installed on the control handle;

[0011] A plurality of sealing rings fixedly connected around the opening of the detection box;

[0012] A plurality of electromagnets fixedly connected around the opening of the detection box;

[0013] A water pump is installed at the bottom of the detection box, and the water pump is connected to the outside of the detection box;

[0014] A multi-axis driving mechanism, which is installed in the detection box;

[0015] An ultrasonic flaw detector body, which is mounted on the control handle;

[0016] An ultrasonic probe, which is mounted on the multi-axis driving mechanism and is electrically connected to the ultrasonic flaw detector body through a signal line;

[0017] two pre-cleaning scrapers mounted on the multi-axis drive mechanism;

[0018] A multi-dimensional force sensor is installed in the detection box and is electrically connected to the display screen. An impact sensing block is connected to the multi-dimensional force sensor.

[0019] A mobile power supply is installed in the detection box, and the mobile power supply is electrically connected to the two groups of underwater drive mechanisms, the display screen, a plurality of electromagnets, the water pump, the ultrasonic flaw detector body, the multi-axis drive mechanism and the multi-dimensional force sensor.

[0020] As a further description of the above technical solution:

[0021] The multi-axis driving mechanism includes a first uniaxial driver, a second uniaxial driver, a base block and a telescope. The first uniaxial driver is horizontally arranged and fixedly connected in the detection box. The second uniaxial driver is connected to the first uniaxial driver, and the second uniaxial driver is perpendicular to the first uniaxial driver. Two pre-cleaning scrapers are connected to the first uniaxial driver, and the two pre-cleaning scrapers are located on opposite sides of the second uniaxial driver. The base block is installed on the second uniaxial driver. A slide groove is provided on the base block. The ultrasonic probe is slidably connected in the slide groove. The telescope is installed in the slide groove, and the telescope connects and drives the ultrasonic probe.

[0022] As a further description of the above technical solution:

[0023] The pre-cleaning scraper extends to the side of the detection box, and opposite ends of the pre-cleaning scraper both extend to the inner wall of the detection box.

[0024] As a further description of the above technical solution:

[0025] The underwater driving mechanism includes a fixed frame, two flip plates, two first motors, multiple second motors and multiple underwater thrusters. The fixed frame is fixedly connected to the detection box, the two flip plates are hinged on the fixed frame, the two first motors are fixedly connected to the fixed frame, and the two first motors are respectively connected to and drive the two flip plates, the multiple underwater thrusters are respectively hinged on the two flip plates, the multiple second motors are respectively fixedly connected to the two flip plates, and the multiple second motors are respectively connected to and drive the multiple underwater thrusters, and the rotation axis of the first motor is perpendicular to the rotation axis of the second motor.

[0026] As a further description of the above technical solution:

[0027] A remote controller is installed on the control handle, and the remote controller is electrically connected to the plurality of the first motors, the plurality of the second motors, and the plurality of the underwater thrusters.

[0028] As a further description of the above technical solution:

[0029] The control handle is provided with a plurality of control buttons, and the plurality of control buttons are electrically connected to the first uniaxial driver, the second uniaxial driver, the telescopic device, the water pump and the plurality of electromagnets.

[0030] As a further description of the above technical solution:

[0031] A camera is arranged on the base block, and the camera is electrically connected to the display screen.

[0032] As a further description of the above technical solution:

[0033] The plurality of electromagnets are located between two adjacent sealing rings.

[0034] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0035] 1. In the present invention, the buoyancy of the water body on the floating block allows the detection box to be suspended in the water body, and two sets of underwater driving mechanisms drive the detection box to move in the water body, thereby moving the detection box to various positions of the gate in the water. After multiple electromagnets are powered, they are adsorbed on the gate, and multiple sealing rings are attached to the gate, so that the inside of the detection box is isolated from the outside. The multi-dimensional force sensor can detect the fluid fluctuation in the detection box to determine whether there are holes in the gate. After the water pump draws out the water in the detection box, the pre-cleaning scraper scrapes off the dirt on the surface of the gate, and the multi-axis driving mechanism drives the ultrasonic probe to perform detailed inspections on various parts of the gate one by one, thereby solving the problem of the difficulty of underwater inspection of large-span water conservancy gates and improving the inspection accuracy and efficiency.

[0036] 2. In the present invention, the first uniaxial driver drives the second uniaxial driver and two pre-cleaning scrapers to reciprocate in the detection box. The two pre-cleaning scrapers scrape off attachments such as moss on the gate. The second uniaxial driver drives the base block to reciprocate in the detection box. The telescope extends to push the ultrasonic probe out of the slide slot and fit the gate, so that the ultrasonic probe can move with multiple degrees of freedom in the detection box, which is convenient for detailed flaw detection of the gate area covered by the opening of the detection box.

[0037] 3. In the present invention, the first motor rotates to drive the flip plate to flip, and the second motor rotates to drive the corresponding underwater propeller to rotate, thereby changing the angle of the underwater propeller. After the underwater propeller is started, it can generate thrust in different directions underwater, so as to control the movement of the detection box in the water, and realize the detection device to continuously detect multiple positions of the gate underwater, reducing the detection difficulty of large-span water conservancy gates and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The overall structure of a device for water conservancy gate detection is shown in FIG. Figure 1 .

[0039] Figure 2 The overall structure of a device for water conservancy gate detection is shown in FIG. Figure 2 .

[0040] Figure 3 The present invention is a front view of a device for detecting water conservancy gates.

[0041] Figure 4 The present invention is a reference diagram of the usage status of a device for detecting water conservancy gates.

[0042] Figure 5 A cross-sectional view of a device for detecting water conservancy gates Figure 1 .

[0043] Figure 6 for Figure 5 A partial enlarged view of part A.

[0044] Figure 7 for Figure 6 Reference diagram for usage status.

[0045] Figure 8 A cross-sectional view of a device for detecting water conservancy gates Figure 2

[0046] Legend:

[0047] 1. Detection box; 2. Floating block; 3. Underwater drive mechanism; 31. Fixed frame; 32. Flip plate; 33. First motor; 34. Second motor; 35. Underwater thruster; 4. Control handle; 5. Towing rope; 6. Display screen; 7. Sealing ring; 8. Electromagnet; 9. Water pump; 10. Multi-axis drive mechanism; 101. First single-axis drive; 102. Second single-axis drive; 103. Base block; 104. Telescope; 11. Ultrasonic flaw detector body; 12. Ultrasonic probe; 13. Signal line; 14. Pre-cleaning scraper; 15. Multi-dimensional force sensor; 16. Impact sensing block; 17. Mobile power supply; 18. Slide; 19. Remote control; 20. Control button; 21. Camera. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] See also Figure 1-8 The present invention provides a technical solution: a device for detecting a water conservancy gate, comprising:

[0050] The detection box 1 is a rectangular box with openings on the sides, and floating blocks 2 are connected to the two opposite sides of the detection box 1;

[0051] Two sets of underwater driving mechanisms 3, which are respectively connected to opposite sides of the detection box 1;

[0052] A control handle 4, which is connected to the top of the detection box 1 through a traction rope 5, and a display screen 6 is installed on the control handle 4;

[0053] A plurality of sealing rings 7, which are fixedly connected around the opening of the detection box 1;

[0054] A plurality of electromagnets 8, which are fixedly connected around the opening of the detection box 1;

[0055] A water pump 9 is installed at the bottom of the detection box 1, and the water pump 9 is connected to the outside of the detection box 1;

[0056] A multi-axis driving mechanism 10, which is installed in the detection box 1;

[0057] An ultrasonic flaw detector body 11, which is mounted on the control handle 4;

[0058] An ultrasonic probe 12, which is mounted on the multi-axis driving mechanism 10, and the ultrasonic probe 12 is electrically connected to the ultrasonic flaw detector body 11 through a signal line 13;

[0059] Two pre-cleaning scrapers 14, which are mounted on the multi-axis driving mechanism 10;

[0060] A multi-dimensional force sensor 15, which is installed in the detection box 1, and the multi-dimensional force sensor 15 is electrically connected to the display screen 6, and the multi-dimensional force sensor 15 is connected to an impact sensing block 16;

[0061] A mobile power source 17, which is installed in the detection box 1, and the mobile power source 17 is electrically connected to the two groups of the underwater drive mechanisms 3, the display screen 6, the plurality of electromagnets 8, the water pump 9, the ultrasonic flaw detector body 11, the multi-axis drive mechanism 10 and the multi-dimensional force sensor 15;

[0062] The multi-axis driving mechanism 10 includes a first uniaxial driver 101, a second uniaxial driver 102, a base block 103 and a telescope 104. The first uniaxial driver 101 is horizontally arranged and fixedly connected in the detection box 1. The second uniaxial driver 102 is connected to the first uniaxial driver 101, and the second uniaxial driver 102 is perpendicular to the first uniaxial driver 101. Two pre-cleaning scrapers 14 are connected to the first uniaxial driver 101, and the two pre-cleaning scrapers 14 are located on opposite sides of the second uniaxial driver 102. The base block 103 is installed on the second uniaxial driver 102. The base block 103 is provided with a slide groove 18. The ultrasonic detector The head 12 is slidably connected in the slide slot 18, the telescopic device 104 is installed in the slide slot 18, and the telescopic device 104 is connected to and drives the ultrasonic probe 12, the first uniaxial driver 101 drives the second uniaxial driver 102 and the two pre-cleaning scrapers 14 to reciprocate in the detection box 1, the two pre-cleaning scrapers 14 scrape off the moss and other attachments on the gate, the second uniaxial driver 102 drives the base block 103 to reciprocate in the detection box 1, the telescopic device 104 is extended to push the ultrasonic probe 12 out of the slide slot 18 and fit the gate, so that the ultrasonic probe 12 can move with multiple degrees of freedom in the detection box 1, which is convenient for the gate area covered by the opening of the detection box 1 to be carefully inspected one by one;

[0063] The pre-cleaning scraper 14 extends to the side of the detection box 1, and the two opposite ends of the pre-cleaning scraper 14 extend to the inner wall of the detection box 1, which is conducive to fully scraping off the moss and other attachments on the gate;

[0064] The underwater driving mechanism 3 includes a fixed frame 31, two flip plates 32, two first motors 33, multiple second motors 34 and multiple underwater thrusters 35, wherein the fixed frame 31 is fixedly connected to the detection box 1, the two flip plates 32 are hinged on the fixed frame 31, the two first motors 33 are fixedly connected to the fixed frame 31, and the two first motors 33 are respectively connected to and drive the two flip plates 32, the multiple underwater thrusters 35 are respectively hinged on the two flip plates 32, the multiple second motors 34 are respectively fixedly connected to the two flip plates 32, and the multiple The second motors 34 are respectively connected to and drive the plurality of underwater thrusters 35. The rotation axis of the first motor 33 is perpendicular to the rotation axis of the second motor 34. The first motor 33 rotates to drive the flip plate 32 to flip, and the second motor 34 rotates to drive the corresponding underwater thruster 35 to rotate, thereby changing the angle of the underwater thruster 35. After the underwater thruster 35 is started, it can generate thrusts in different directions underwater, thereby controlling the movement of the detection box 1 in the water, and realizing the detection device to continuously detect multiple positions of the gate underwater, reducing the detection difficulty of large-span water conservancy gates and improving the detection efficiency;

[0065] The control handle 4 is provided with a remote controller 19, and the remote controller 19 is electrically connected to the plurality of the first motors 33, the plurality of the second motors 34 and the plurality of the underwater thrusters 35, so as to control the movement of the detection box 1 underwater.

[0066] The control handle 4 is provided with a plurality of control buttons 20, and the plurality of control buttons 20 are electrically connected to the first uniaxial driver 101, the second uniaxial driver 102, the retractor 104, the water pump 9 and the plurality of electromagnets 8, so as to control the switch of the electromagnet 8, the switch of the water pump 9, the retraction of the retractor 104, and the reciprocating motion of the first uniaxial driver 101 and the second uniaxial driver 102;

[0067] The base block 103 is provided with a camera 21, which is electrically connected to the display screen 6 to facilitate observation of underwater conditions;

[0068] The plurality of electromagnets 8 are located between two adjacent sealing rings 7 .

[0069] Working principle: First, hold the control handle 4, and the control handle 4 pulls the detection box 1 through the traction rope 5, and puts the detection box 1 into the water body where the gate is located. The water body has a buoyancy effect on the floating block 2, so that the detection box 1 is suspended in the water body. Secondly, the remote control 19 controls the rotation of the first motor 33, the rotation of the second motor 34 and the switch of the underwater propeller 35. The rotation of the first motor 33 drives the flip plate 32 to flip, and the rotation of the second motor 34 drives the corresponding underwater propeller 35 to rotate, thereby changing the angle of the underwater propeller 35. After being started, thrusts in different directions can be generated underwater to control the movement of the detection box 1 in the water. The underwater picture captured by the camera 21 can be observed from the display screen 6. Then, the control button 20 is clicked to make the mobile power supply 17 power the multiple electromagnets 8. The multiple electromagnets 8 are magnetically adsorbed on the gate. The end face of the detection box 1 is attached to the surface of the gate. The multiple sealing rings 7 are against the surface of the gate, so that the inside of the detection box 1 is isolated from the outside. The impact sensing block 16 connected to the multi-dimensional force sensor 15 can feel the impact force of the water flow. The multi-dimensional force sensor The display data of the sensor 15 can be viewed through the display screen 6. If there are obvious holes in the gate area covered by the detection box 1, the data reflected by the multi-dimensional force sensor 15 will be obviously abnormal. Click the control button 20 to make the mobile power supply 17 power the water pump 9, and the water pump 9 pumps the water in the detection box 1 out. Click the control button 20, the first single-axis driver 101 drives the second single-axis driver 102 and the two pre-cleaning scrapers 14 to reciprocate in the detection box 1, and the two pre-cleaning scrapers 14 scrape off the moss and other attachments on the gate, and the second single The shaft driver 102 drives the base block 103 to reciprocate in the detection box 1, and the telescope 104 extends to push the ultrasonic probe 12 out of the slide slot 18 and fit the gate, so that the ultrasonic probe 12 can move with multiple degrees of freedom in the detection box 1, which is convenient for detailed flaw detection of the gate area covered by the opening of the detection box 1 one by one. The flaw detection condition of the gate can be judged by observing the ultrasonic flaw detector body 11, and accurate detection of the gate can be achieved. Finally, the above operations are repeated to detect multiple positions of the large-span gate under the water one by one.

[0070] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for detecting a water conservancy gate, characterized in that: include: A detection box (1) is a rectangular box with openings on the sides, and floating blocks (2) are connected to opposite sides of the detection box (1); Two sets of underwater driving mechanisms (3), which are respectively connected to opposite sides of the detection box (1); A control handle (4) connected to the top of the detection box (1) via a traction rope (5), and a display screen (6) is installed on the control handle (4); A plurality of sealing rings (7) fixedly connected around the opening of the detection box (1); A plurality of electromagnets (8) fixedly connected around the opening of the detection box (1); A water pump (9) is installed at the bottom of the detection box (1), and the water pump (9) is connected to the outside of the detection box (1); A multi-axis driving mechanism (10) installed in the detection box (1); An ultrasonic flaw detector body (11), which is mounted on the control handle (4); An ultrasonic probe (12) is mounted on the multi-axis driving mechanism (10), and the ultrasonic probe (12) is electrically connected to the ultrasonic flaw detector body (11) via a signal line (13); Two pre-cleaning scrapers (14) mounted on the multi-axis driving mechanism (10); A multi-dimensional force sensor (15), which is installed in the detection box (1), and the multi-dimensional force sensor (15) is electrically connected to the display screen (6), and the multi-dimensional force sensor (15) is connected to an impact sensing block (16); A mobile power source (17) is installed in the detection box (1), and the mobile power source (17) is electrically connected to the two groups of underwater drive mechanisms (3), the display screen (6), the plurality of electromagnets (8), the water pump (9), the ultrasonic flaw detector body (11), the multi-axis drive mechanism (10) and the multi-dimensional force sensor (15).

2. A device for detecting water conservancy gates according to claim 1, characterized in that: The multi-axis driving mechanism (10) comprises a first single-axis driver (101), a second single-axis driver (102), a base block (103) and a telescoping device (104); the first single-axis driver (101) is horizontally arranged and fixedly connected in the detection box (1); the second single-axis driver (102) is connected to the first single-axis driver (101), and the second single-axis driver (102) is perpendicular to the first single-axis driver (101); two pre-cleaning scrapers (14) are connected to the first single-axis driver (101); The first uniaxial drive (101) is mounted on the second uniaxial drive (102), and the two pre-cleaning scrapers (14) are located on opposite sides of the second uniaxial drive (102). The base block (103) is mounted on the second uniaxial drive (102). A slide groove (18) is provided on the base block (103). The ultrasonic probe (12) is slidably connected in the slide groove (18). The telescopic device (104) is mounted in the slide groove (18), and the telescopic device (104) is connected to and drives the ultrasonic probe (12).

3. A device for detecting water conservancy gates according to claim 2, characterized in that: The pre-cleaning scraper (14) extends to the side of the detection box (1), and the opposite ends of the pre-cleaning scraper (14) both extend to the inner wall of the detection box (1).

4. A device for detecting water conservancy gates according to claim 3, characterized in that: The underwater driving mechanism (3) comprises a fixed frame (31), two flip plates (32), two first motors (33), a plurality of second motors (34) and a plurality of underwater thrusters (35); the fixed frame (31) is fixedly connected to the detection box (1); the two flip plates (32) are hinged on the fixed frame (31); the two first motors (33) are fixedly connected to the fixed frame (31); the two first motors (33) are respectively connected to and drive the two flip plates (32); the plurality of underwater thrusters (35) are respectively hinged on the two flip plates (32); the plurality of second motors (34) are respectively fixedly connected to the two flip plates (32); the plurality of second motors (34) are respectively connected to and drive the plurality of underwater thrusters (35); and the rotation axis of the first motor (33) is perpendicular to the rotation axis of the second motor (34).

5. A device for detecting water conservancy gates according to claim 4, characterized in that: A remote controller (19) is installed on the control handle (4), and the remote controller (19) is electrically connected to a plurality of the first motors (33), a plurality of the second motors (34) and a plurality of the underwater thrusters (35).

6. A device for detecting water conservancy gates according to claim 5, characterized in that: The control handle (4) is provided with a plurality of control buttons (20), and the plurality of control buttons (20) are electrically connected to the first uniaxial driver (101), the second uniaxial driver (102), the telescopic device (104), the water pump (9) and the plurality of electromagnets (8).

7. A device for detecting water conservancy gates according to claim 6, characterized in that: A camera (21) is provided on the base block (103), and the camera (21) is electrically connected to the display screen (6).

8. The device for detecting water conservancy gates according to claim 1, characterized in that: The plurality of electromagnets (8) are located between two adjacent sealing rings (7).

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