A gate inclination detection device for hydraulic engineering construction

By designing a gate tilt detection device that includes a fixed bracket, a tightening rod, an L-shaped main rod, an unwinding and folding mechanism, and a lifting mechanism, the problem of small detection range of traditional detection devices is solved, and high-precision detection of gate tilt is achieved.

CN116592847BActive Publication Date: 2026-06-12NINGXIA TONGRUN HUASHENG CONSTR ENG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGXIA TONGRUN HUASHENG CONSTR ENG CO LTD
Filing Date
2023-05-25
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Traditional gate tilt detection devices have a small detection range, resulting in low detection accuracy.

Method used

A gate tilt detection device was designed, comprising a fixed bracket, a tightening rod, an L-shaped main rod, an unwinding and folding mechanism, a lifting mechanism, and a detection mechanism. Through the cooperation of the unwinding and folding mechanism and the lifting mechanism, a wide range of movement of the detection head is achieved. The device utilizes the rolling detection of a ball under magnetic attraction and gravity, combined with pressure sensing by a pressure sensor, to achieve high-precision tilt detection.

🎯Benefits of technology

The detection range has been expanded, the accuracy of gate tilt detection has been improved, the impact of impurities on the detection results has been reduced, and the accuracy of the detection has been ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the field of inclination detection, especially to a gate inclination detection device for water conservancy construction, which can increase the detection range, thereby more accurately detecting the inclination of the gate. The gate inclination detection device for water conservancy construction comprises a fixed support, a rotating rod and an L-shaped main rod, etc. The fixed support is placed on the top of the water conservancy gate, two rotating rods are connected on the fixed support through threads, the two rotating rods are symmetrically arranged, and the L-shaped main rod is slidably connected on the fixed support. When the moving bar moves downward, the moving bar moves horizontally reciprocating along the lifting slider, so that the rolling ball moves in a curve during the downward movement, thereby increasing the detection range of the rolling ball and improving the accuracy of the water conservancy gate inclination detection.
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Description

Technical Field

[0001] This invention relates to the field of tilt detection, and more particularly to a gate tilt detection device for water conservancy engineering construction. Background Technology

[0002] The main types of water conservancy projects include dams, sluices, pumping stations, and hydropower stations. The construction of water conservancy projects can control water flow, prevent floods, and regulate and distribute water to meet the needs of people's lives and production for water resources.

[0003] Hydraulic gates are important facilities for controlling river water levels. Due to the long-term impact of water flow, the parts of the gate in contact with the water gradually deform. This deformation causes differences in the blocking force of the gate at different locations, resulting in a poorer blocking effect. Consequently, the gate is more susceptible to damage when encountering large water flow impacts. By detecting the tilt of the hydraulic gate, the deformation of the gate can be determined, facilitating subsequent maintenance. Traditional gate tilt detection devices generally detect the tilt by moving the detection head up and down along the gate. However, the range of movement of the detection head on traditional devices is relatively small, resulting in insufficient accuracy. Summary of the Invention

[0004] To address the aforementioned problems, the purpose of this invention is to provide a gate tilt detection device for water conservancy engineering construction, which can increase the detection range and thus more accurately detect the gate tilt.

[0005] Technical Solution: A gate tilt detection device for water conservancy engineering construction includes a fixed bracket, a tightening rod, an L-shaped main rod, a winding and folding mechanism, a lifting mechanism, and a detection mechanism. The fixed bracket is placed on the top of the water conservancy gate. Two tightening rods are threadedly connected to the fixed bracket. The two tightening rods are symmetrically arranged and both are in contact with the water conservancy gate. The L-shaped main rod is slidably connected to the fixed bracket. The winding and folding mechanism is located on the L-shaped main rod. The lifting mechanism is located on the L-shaped main rod. The detection mechanism is located on the lifting mechanism.

[0006] As an improvement to the above solution, the unwinding and folding mechanism includes a rotating center rod, a folding groove rod, a main positive magnet, a secondary positive magnet, a fixed base, an unwinding reel, a sliding latch, and an unwinding rope. The rotating center rod is rotatably connected to the lower part of the L-shaped main rod. The folding groove rod is fixed to the rotating center rod. Both the folding groove rod and the L-shaped main rod have vertical grooves. The main positive magnet is fixed to the bottom end of the L-shaped main rod, and the secondary positive magnet is fixed to the bottom end of the folding groove rod. The main positive magnet and the secondary positive magnet have opposite magnetic properties and attract each other. The fixed base is fixed to the top of the folding groove rod. The unwinding reel is rotatably connected to the upper part of the L-shaped main rod. The sliding latch is slidably connected to the unwinding reel and contacts the L-shaped main rod. An unwinding rope is connected between the unwinding reel and the fixed base, and the unwinding rope is wound around the unwinding reel.

[0007] As an improvement to the above solution, the lifting mechanism includes a take-up reel, a sliding ring, a conveyor wheel, a take-up rope, a lifting slider, a moving bar, a rotating plate, and a torsion spring. The take-up reel is rotatably connected to the L-shaped main rod, the sliding ring is slidably connected to the take-up reel and contacts the L-shaped main rod, the conveyor wheel is rotatably connected to the upper part of the L-shaped main rod, the lifting slider is slidably connected to the vertical groove of the L-shaped main rod, a take-up rope is connected between the take-up reel and the lifting slider and is wound around the take-up reel, the moving bar is slidably connected to the lifting slider, the rotating plate is rotatably connected to the moving bar, and a torsion spring is connected between the rotating plate and the moving bar.

[0008] As an improvement to the above solution, the detection mechanism includes fixed detection cylinders, pressure sensors, compression springs, rotating frames, and rolling balls. Three fixed detection cylinders are fixedly connected to the side of the rotating plate away from the moving bar. Pressure sensors are fixedly connected inside each of the three fixed detection cylinders. Rotating frames are slidably connected inside each of the three fixed detection cylinders. Compression springs are connected between the rotating frames and the pressure sensors. Rolling balls are rotatably connected to each of the three rotating frames. All three rolling balls are in contact with the hydraulic gate.

[0009] As an improvement to the above solution, a reciprocating swing mechanism is also included. The reciprocating swing mechanism is mounted on the L-shaped main rod and connected to the rotation center rod. The reciprocating swing mechanism includes a fixed bar rod one, a fixed bar rod two, and a folding bar rod. The upper part of the L-shaped main rod is fixedly connected to the fixed bar rod one and the fixed bar rod two. The fixed bar rod one and the fixed bar rod two are rotatably connected to the rotation center rod. The moving bar rod is in contact with both the fixed bar rod one and the fixed bar rod two. Folding bar rods are fixedly connected to both ends of the rotation center rod. The two folding bar rods are parallel to the fixed bar rod one and the fixed bar rod two, respectively.

[0010] As an improvement to the above solution, it also includes a fixed rack and a rotating gear. The fixed rack is fixed to the side of the lifting slider near the rotating plate, and the rotating gear is fixed to the rotating plate. The rotating gear is located diagonally below the fixed rack.

[0011] As an improvement to the above solution, it also includes an L-shaped support rod, a scraper rod, and compression springs. The L-shaped support rod is fixed to the bottom of the movable bar rod, the scraper rod is slidably connected to the L-shaped support rod, the scraper rod is in contact with the hydraulic gate, and four compression springs are connected between the scraper rod and the L-shaped support rod.

[0012] The present invention has the following beneficial effects:

[0013] 1. The operator moves the sliding lever, and the L-shaped main rod no longer limits the sliding lever. Then, the unwinding reel is rotated, and the fixed seat and folding groove rod will rotate downwards by 180 degrees under the action of gravity. Next, the sliding ring is moved, and the L-shaped main rod no longer limits the sliding ring. Then, the take-up reel is rotated, and the lifting slider, moving bar, rotating plate, fixed detection cylinder, pressure sensor, compression spring, rotating frame, and rolling ball will move downwards along the long groove formed by the folding groove rod and the L-shaped main rod under the action of gravity. The rolling ball will roll along the side of the hydraulic gate. If the hydraulic gate tilts, the hydraulic gate will squeeze one of the rolling balls to move closer to the rotating plate. One of the compression springs applies pressure to one of the pressure sensors. By judging the pressure sensed by the pressure sensor, the tilt of the hydraulic gate can be detected. When it is necessary to detect the tilt of other parts of the hydraulic gate, the operator adjusts the movement of the L-shaped main rod to facilitate the adjustment of the detection position and make the detection results more accurate.

[0014] 2. The two folded bar rods will rotate to be directly below the fixed bar rod one and the fixed bar rod two. When the moving bar rod moves downward, it will first move downward along the fixed bar rod one and the fixed bar rod two, and then move downward along the two folded bar rods. This causes the moving bar rod to move horizontally back and forth along the lifting slider, so that the rolling ball moves in a curved motion during its downward movement. This increases the detection range of the rolling ball and improves the accuracy of detecting the tilt of the hydraulic gate.

[0015] 3. By using a fixed rack to drive the rotating gear, rotating plate, fixed detection cylinder, rotating frame and rolling ball to rotate, the detection range of the rolling ball is further increased, and the accuracy of detecting the tilt of the hydraulic gate is further improved.

[0016] 4. Under the elastic force of the compression spring, the scraper moves downward while always in contact with the hydraulic gate, so that the scraper removes impurities from the hydraulic gate. Then, the rolling ball detects the tilt of the hydraulic gate, reducing the influence of impurities on the detection results and enabling more accurate detection of the tilt of the hydraulic gate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the first three-dimensional structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention.

[0019] Figure 3 This is a schematic diagram of the first partial three-dimensional structure of the unwinding and folding mechanism of the present invention.

[0020] Figure 4 This is a partial three-dimensional structural diagram of the unwinding and folding mechanism and the lifting mechanism of the present invention.

[0021] Figure 5 This is a schematic diagram of the second partial three-dimensional structure of the unwinding and folding mechanism of the present invention.

[0022] Figure 6 This is a three-dimensional structural diagram of the third part of the unwinding and folding mechanism of the present invention.

[0023] Figure 7 This is a partial three-dimensional structural diagram of the lifting mechanism of the present invention.

[0024] Figure 8 This is a three-dimensional structural diagram of the detection mechanism of the present invention.

[0025] Figure 9 This is a three-dimensional structural diagram of the reciprocating swing mechanism of the present invention.

[0026] Figure 10 This is a schematic diagram of the first partial three-dimensional structure of the present invention.

[0027] Figure 11 This is a schematic diagram of the second partial three-dimensional structure of the present invention.

[0028] Figure 12 This is a schematic diagram of the disassembled three-dimensional structure of the detection mechanism of the present invention.

[0029] The following are the labels in the diagram: 1. Hydraulic gate; 2. Fixed bracket; 21. Tightening rod; 3. L-shaped main rod; 41. Rotating center rod; 42. Folding groove rod; 43. Main positive magnet block; 44. Secondary positive magnet block; 45. Fixed seat; 46. Unwinding reel; 47. Sliding lever; 48. Unwinding rope; 51. Rewinding reel; 52. Sliding ring; 53. Conveyor wheel; 54. Rewinding rope; 55. Lifting slider; 56. Moving bar; 57. Rotating plate; 58. Torsion spring; 61. Fixed detection cylinder; 62. Pressure sensor; 63. Compression spring; 64. Rotating frame; 65. Rolling ball; 71. Fixed bar rod one; 72. Fixed bar rod two; 73. Folding bar rod; 81. Fixed rack; 82. Rotating gear; 91. L-shaped support rod; 92. Scraper rod; 93. Compression spring. Implementation

[0030] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention. Example

[0031] A gate tilt detection device for water conservancy engineering construction, such as Figures 1-8 and Figure 12 As shown, the system includes a fixed bracket 2, a tightening rod 21, an L-shaped main rod 3, an unwinding and folding mechanism, a lifting mechanism, and a detection mechanism. The fixed bracket 2 is placed on top of the hydraulic gate 1. Two tightening rods 21 are threadedly connected to the fixed bracket 2. The two tightening rods 21 are symmetrically arranged and both are in contact with the hydraulic gate 1. The tightening rods 21 are used to fix the fixed bracket 2 to the hydraulic gate 1. The L-shaped main rod 3 is slidably connected to the fixed bracket 2. The unwinding and folding mechanism is located on the L-shaped main rod 3. The lifting mechanism is located on the L-shaped main rod 3. The detection mechanism is located on the lifting mechanism and is used to detect the tilt of the hydraulic gate 1.

[0032] The unwinding and folding mechanism includes a rotating center rod 41, a folding groove rod 42, a main positive pole magnet 43, a secondary positive pole magnet 44, a fixed base 45, an unwinding reel 46, a sliding latch rod 47, and an unwinding rope 48. The rotating center rod 41 is rotatably connected to the lower part of the L-shaped main rod 3. The folding groove rod 42 is welded to the rotating center rod 41. Both the folding groove rod 42 and the L-shaped main rod 3 have vertical grooves. The main positive pole magnet 43 is fixed to the bottom end of the L-shaped main rod 3, and the secondary positive pole magnet 44 is fixed to the bottom end of the folding groove rod 42. Block 43 and the secondary positive magnet block 44 have opposite magnetic properties. The primary positive magnet block 43 and the secondary positive magnet block 44 will attract each other. The fixed base 45 is bolted to the top of the folding groove rod 42. The unwinding reel 46 is rotatably connected to the upper part of the L-shaped main rod 3. The sliding latch 47 is slidably connected to the unwinding reel 46 and contacts the L-shaped main rod 3. An unwinding rope 48 is connected between the unwinding reel 46 and the fixed base 45. The unwinding rope 48 is wound around the unwinding reel 46. The unwinding reel 46 is used to wind and unwind the unwinding rope 48.

[0033] The lifting mechanism includes a take-up reel 51, a sliding ring 52, a conveyor wheel 53, a take-up rope 54, a lifting slider 55, a moving bar 56, a rotating plate 57, and a torsion spring 58. The take-up reel 51 is rotatably connected to the L-shaped main rod 3. The sliding ring 52 is slidably connected to the take-up reel 51 and contacts the L-shaped main rod 3. The L-shaped main rod 3 has a limiting effect on the sliding ring 52. The conveyor wheel 53 is rotatably connected to the upper part of the L-shaped main rod 3, and the lifting slider 55 slides. The winding reel 51 is connected to the vertical groove of the L-shaped main rod 3. A winding rope 54 is connected between the winding reel 51 and the lifting slider 55. The winding rope 54 is wound around the winding reel 51. The winding reel 51 is used to wind and unwind the winding rope 54. The moving bar 56 is slidably connected to the lifting slider 55. The lifting slider 55 guides the moving bar 56. The rotating plate 57 is rotatably connected to the moving bar 56. A torsion spring 58 is connected between the rotating plate 57 and the moving bar 56.

[0034] The detection mechanism includes a fixed detection cylinder 61, a pressure sensor 62, a compression spring 63, a rotating frame 64, and a rolling ball 65. Three fixed detection cylinders 61 are welded to the side of the rotating plate 57 away from the moving bar 56. A pressure sensor 62 is fixedly connected inside each of the three fixed detection cylinders 61. A rotating frame 64 is slidably connected inside each of the three fixed detection cylinders 61. A compression spring 63 is connected between the rotating frame 64 and the pressure sensor 62. A rolling ball 65 is rotatably connected to each of the three rotating frames 64. All three rolling balls 65 are in contact with the hydraulic gate 1. The pressure sensor 62 is used to sense the pressure applied by the compression spring 63 and the rolling ball 65, thereby detecting the tilt of the hydraulic gate 1.

[0035] When it is necessary to test the tilt of the hydraulic gate 1, the operator places the fixed bracket 2 on top of the hydraulic gate 1, and then rotates the tightening rod 21 to move it closer to the hydraulic gate 1, making the tightening rod 21 in close contact with the hydraulic gate 1. This secures the fixed bracket 2 to the hydraulic gate 1. Next, the operator moves the L-shaped main rod 3, which in turn moves the rolling ball 65 to the appropriate position on the hydraulic gate 1, thus adjusting the position for testing the tilt of the hydraulic gate 1. Finally, the operator moves the sliding latch 4. 7. Disengage the sliding lever 47 from the L-shaped main rod 3. The L-shaped main rod 3 no longer limits the sliding lever 47. Then, the operator rotates the unwinding reel 46 to unwind the unwinding rope 48. The fixed seat 45 and the folding groove rod 42 will rotate downwards by 180 degrees under the action of gravity. The rotation of the folding groove rod 42 will drive the rotation center rod 41 and the secondary positive pole magnet 44 to rotate. The secondary positive pole magnet 44 will attract the main positive pole magnet 43, so that the vertical groove on the folding groove rod 42 and the L-shaped main rod 3 forms a long groove. Then, the operator... Stop rotating the unwinding reel 46, then move the sliding lever 47 to reset, so that the L-shaped main rod 3 re-limits the sliding lever 47. The operator moves the sliding ring 52 to disengage it from the L-shaped main rod 3, so that the L-shaped main rod 3 no longer limits the sliding ring 52. The operator then rotates the take-up reel 51 to unwind the take-up rope 54. The lifting slider 55, moving bar 56, rotating plate 57, fixed detection cylinder 61, pressure sensor 62, compression spring 63, rotating frame 64, and rolling ball 65 will be under the action of gravity. Moving downward along the long groove formed by the folding groove rod 42 and the L-shaped main rod 3, the rolling ball 65 will roll along the side of the hydraulic gate 1. If the hydraulic gate 1 tilts, the hydraulic gate 1 will squeeze one of the rolling balls 65 to move closer to the rotating plate 57, and one of the compression springs 63 will be compressed. One of the compression springs 63 will apply pressure to one of the pressure sensors 62, so that one of the pressure sensors 62 can sense the pressure. By judging the magnitude of the pressure sensed by the pressure sensor 62, the tilt of the hydraulic gate 1 can be detected.

[0036] When the lifting slider 55 moves downward to the end of the long groove formed by the folding groove rod 42 and the L-shaped main rod 3, the operator reverses the rotation of the take-up reel 51, causing the take-up reel 51 to wind up the take-up rope 54. The take-up rope 54 pulls the lifting slider 55 upward to reset. Then, the operator stops reversing the rotation of the take-up reel 51 and moves the sliding ring 52 to reset. The L-shaped main rod 3 then repositions the sliding ring 52. Next, the operator reverses the rotation of the unwinding reel 46, which winds up the unwinding rope 48. The unwinding rope 48 pulls the fixed seat 45 and the folding groove rod 42 upward to reset. The main positive magnet block 43 separates from the auxiliary positive magnet block 44, and the compression spring 63 drives the rotating frame 64 and the rolling ball 65 to reset. When it is necessary to test the tilt of other parts of the hydraulic gate 1, the operator adjusts the movement of the L-shaped main rod 3 to facilitate adjustment of the test position and make the test results more accurate. Example

[0037] Based on Example 1, such as Figure 9 As shown, it also includes a reciprocating swing mechanism, which is mounted on the L-shaped main rod 3 and connected to the rotation center rod 41. The reciprocating swing mechanism causes the rolling ball 65 to move in a curved motion during its downward movement, thereby increasing the detection range of the rolling ball 65 and improving the accuracy of detecting the tilt of the hydraulic gate 1. The reciprocating swing mechanism includes a fixed strip rod 71, a fixed strip rod 72, and a folding strip rod 73. The fixed strip rod 71 and the fixed strip rod 72 are welded to the upper part of the L-shaped main rod 3. 72. Both the first fixed bar 71 and the second fixed bar 72 are provided with multiple inclined surfaces. Both the first fixed bar 71 and the second fixed bar 72 are rotatably connected to the rotation center rod 41. The movable bar 56 is in contact with both the first fixed bar 71 and the second fixed bar 72. Both ends of the rotation center rod 41 are fixed with folded bar 73. The folded bar 73 is provided with multiple inclined surfaces. The two folded bar 73 are parallel to the first fixed bar 71 and the second fixed bar 72, respectively.

[0038] When the rotating center rod 41 rotates, it drives the two folded bar rods 73 to rotate 180 degrees. The two folded bar rods 73 rotate to be directly below the fixed bar rod 1 71 and the fixed bar rod 2 72. When the moving bar rod 56 moves downward, it first moves downward along the fixed bar rod 1 71 and the fixed bar rod 2 72, and then moves downward along the two folded bar rods 73. Under the limiting action of the fixed bar rod 1 71, the fixed bar rod 2 72 and the folded bar rod 73, the moving bar rod 56 moves horizontally back and forth along the lifting slider 55. When the moving bar rod 56 moves horizontally back and forth, it drives the rotating plate 57, the fixed detection cylinder 61, the pressure sensor 62, the compression spring 63, the rotating frame 64 and the rolling ball 65 to move horizontally back and forth, so that the rolling ball 65 makes a curved motion during the downward movement, thereby increasing the detection range of the rolling ball 65 and improving the accuracy of detecting the tilt of the hydraulic gate 1. When the rotating center rod 41 is rotated to reset, it will drive the two folded strip rods 73 to reset. Example

[0039] Based on Example 1, such as Figures 10-11 As shown, it also includes a fixed rack 81 and a rotating gear 82. The fixed rack 81 is welded to the side of the lifting slider 55 near the rotating plate 57, and the rotating gear 82 is connected to the rotating plate 57 by a flat key. The rotating gear 82 is located diagonally below the fixed rack 81.

[0040] When the moving bar 56 and the rotating plate 57 move horizontally back and forth along the lifting slider 55, the rotating plate 57 will drive the rotating gear 82 to move horizontally back and forth. The rotating gear 82 will mesh with the fixed rack 81. The fixed rack 81 will drive the rotating gear 82, the rotating plate 57, the fixed detection cylinder 61, the rotating frame 64 and the rolling ball 65 to rotate, further increasing the detection range of the rolling ball 65 and further improving the accuracy of detecting the tilt of the hydraulic gate 1. Example

[0041] Based on Example 1, such as Figure 10 As shown, it also includes an L-shaped support rod 91, a scraper rod 92, and compression springs 93. The L-shaped support rod 91 is welded to the bottom of the movable bar 56. The scraper rod 92 is slidably connected to the L-shaped support rod 91. The scraper rod 92 is in contact with the hydraulic gate 1. The scraper rod 92 is used to scrape off impurities on the hydraulic gate 1, making the detection of the tilt of the hydraulic gate 1 more accurate. Four compression springs 93 are connected between the scraper rod 92 and the L-shaped support rod 91. The compression springs 93 make the scraper rod 92 fit tightly against the hydraulic gate 1.

[0042] When the movable bar 56 moves downward, it will drive the L-shaped support 91, scraper 92 and compression spring 93 to move downward. Under the elastic force of the compression spring 93, the scraper 92 moves downward while always in contact with the hydraulic gate 1, so that the scraper 92 scrapes away the impurities on the hydraulic gate 1. Then the rolling ball 65 detects the tilt of the hydraulic gate 1, reducing the influence of impurities on the detection results and enabling more accurate detection of the tilt of the hydraulic gate 1.

[0043] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

Claims

1. A gate tilt detection device for water conservancy engineering construction, characterized in that, The device includes a fixed bracket (2), a tightening rod (21), an L-shaped main rod (3), an unwinding and folding mechanism, a lifting mechanism, and a detection mechanism. The fixed bracket (2) is placed on top of the hydraulic gate (1). Two tightening rods (21) are threadedly connected to the fixed bracket (2). The two tightening rods (21) are symmetrically arranged and both are in contact with the hydraulic gate (1). The L-shaped main rod (3) is slidably connected to the fixed bracket (2). The unwinding and folding mechanism is located on the L-shaped main rod (3). The lifting mechanism is located on the L-shaped main rod (3). The detection mechanism is located on the lifting mechanism. The unwinding and folding mechanism includes a rotating center rod (41), a folding groove rod (42), a main positive magnet (43), a secondary positive magnet (44), a fixed base (45), an unwinding reel (46), a sliding latch (47), and an unwinding rope (48). The rotating center rod (41) is rotatably connected to the lower part of the L-shaped main rod (3). The folding groove rod (42) is fixed to the rotating center rod (41). Vertical grooves are opened on both the folding groove rod (42) and the L-shaped main rod (3). The main positive magnet (43) is fixed to the bottom end of the L-shaped main rod (3), and the secondary positive magnet (44) is fixed to the folding groove rod. (42) At the bottom, the main positive magnet (43) and the secondary positive magnet (44) have opposite magnetic properties and will attract each other. The fixed seat (45) is fixed to the top of the folding groove rod (42). The unwinding reel (46) is rotatably connected to the upper part of the L-shaped main rod (3). The sliding lever (47) is slidably connected to the unwinding reel (46). The sliding lever (47) is in contact with the L-shaped main rod (3). An unwinding rope (48) is connected between the unwinding reel (46) and the fixed seat (45). The unwinding rope (48) is wound around the unwinding reel (46). The lifting mechanism includes a take-up reel (51), a sliding ring (52), a conveyor wheel (53), a take-up rope (54), a lifting slider (55), a moving bar (56), a rotating plate (57), and a torsion spring (58). The take-up reel (51) is rotatably connected to the L-shaped main rod (3), and the sliding ring (52) is slidably connected to the take-up reel (51). The sliding ring (52) is in contact with the L-shaped main rod (3), and the conveyor wheel (53) is rotatably connected to the L-shaped main rod (3). At the upper part, the lifting slider (55) is slidably connected to the vertical groove of the L-shaped main rod (3). A winding rope (54) is connected between the winding reel (51) and the lifting slider (55). The winding rope (54) is wound around the winding reel (51). The moving bar (56) is slidably connected to the lifting slider (55). The rotating plate (57) is rotatably connected to the moving bar (56). A torsion spring (58) is connected between the rotating plate (57) and the moving bar (56). The detection mechanism includes a fixed detection cylinder (61), a pressure sensor (62), a compression spring (63), a rotating frame (64), and a rolling ball (65). Three fixed detection cylinders (61) are fixedly connected to the side of the rotating plate (57) away from the moving bar (56). A pressure sensor (62) is fixedly connected inside each of the three fixed detection cylinders (61). A rotating frame (64) is slidably connected inside each of the three fixed detection cylinders (61). A compression spring (63) is connected between the rotating frame (64) and the pressure sensor (62). A rolling ball (65) is rotatably connected to each of the three rotating frames (64). All three rolling balls (65) are in contact with the hydraulic gate (1).

2. The gate tilt detection device for water conservancy engineering construction as described in claim 1, characterized in that, It also includes a reciprocating swing mechanism, which is mounted on the L-shaped main rod (3) and connected to the rotation center rod (41). The reciprocating swing mechanism includes a fixed bar rod one (71), a fixed bar rod two (72), and a folding bar rod (73). The upper part of the L-shaped main rod (3) is fixedly connected to the fixed bar rod one (71) and the fixed bar rod two (72). The fixed bar rod one (71) and the fixed bar rod two (72) are rotatably connected to the rotation center rod (41). The moving bar rod (56) is in contact with the fixed bar rod one (71) and the fixed bar rod two (72) at the same time. The two ends of the rotation center rod (41) are fixedly connected to the folding bar rods (73). The two folding bar rods (73) are parallel to the fixed bar rod one (71) and the fixed bar rod two (72), respectively.

3. The gate tilt detection device for water conservancy engineering construction as described in claim 2, characterized in that, It also includes a fixed rack (81) and a rotating gear (82), the fixed rack (81) being fixed to the side of the lifting slider (55) near the rotating plate (57), and the rotating gear (82) being fixed to the rotating plate (57), the rotating gear (82) being located diagonally below the fixed rack (81).

4. The gate tilt detection device for water conservancy engineering construction as described in claim 3, characterized in that, It also includes an L-shaped support rod (91), a scraper rod (92) and compression springs (93). The L-shaped support rod (91) is fixed to the bottom of the movable bar (56). The scraper rod (92) is slidably connected to the L-shaped support rod (91). The scraper rod (92) is in contact with the hydraulic gate (1). Four compression springs (93) are connected between the scraper rod (92) and the L-shaped support rod (91).