Lifting type hydraulic engineering gate

Abstract

The utility model discloses a lifting type hydraulic engineering gate. Relates to the field of hydraulic engineering. When a hand wheel of an existing lifting type water conservancy project gate is arranged in the middle of a door beam frame, the hand wheel is not convenient to act, and the operation position of the gate and whether abnormal conditions exist or not cannot be accurately judged. The device comprises a transverse lead screw, a hand wheel, a left sliding block, a right sliding block, a left rotating frame, a right rotating frame and a bearing seat, a transverse lead screw is connected with a hand wheel and connected with a bearing seat on a side gate frame, a left sliding block and a right sliding block are installed on the transverse lead screw, the left sliding block is rotationally connected with two left rotating frames, the left rotating frames are rotationally connected with a hanging plate, the right sliding block is movably connected with a right rotating frame, and the other end of the right rotating frame is rotationally connected with a first hanging plate through a pin shaft. When the left sliding block and the right sliding block move, the corresponding left rotating frame and the corresponding right rotating frame are driven to rotate reversely, and when the left rotating frame and the right rotating frame rotate, the water baffle is driven by the first hanging plate to move between the two side gate frames. The gate is applied to the field of hydraulic engineering gates.

Description

Technical Field

[0001] The utility model relates to the field of water conservancy engineering gates, in particular to a lifting type water conservancy engineering gate. Background Art

[0002] The lifting gates in water conservancy projects are important hydraulic structures and equipment. They mainly control water flow. By raising or lowering the gates, the flow rate of water in channels, rivers, reservoirs and other water conservancy facilities is adjusted. For example, water is released on demand in irrigation channels to irrigate farmland, which can control the water levels upstream and downstream. During flood season, lowering the gates can block floods, protect downstream areas from flooding, and ensure the safety of people's lives and property.

[0003] Currently, lift gates for hydraulic projects are primarily divided into electric and manual types. For cost considerations, manual lift gates are relatively simple in structure and do not require complex equipment such as electric drive devices. These lower costs make them suitable for budget-constrained locations. Furthermore, manual lift gates can ensure basic opening and closing functions in remote areas with no or unstable power supply. Compared to complex drive systems like electric ones, manual lift gates have fewer failure points and are easier to maintain. Therefore, manual lift gates are widely used in hydraulic projects.

[0004] Currently, adjusting the height of liftable hydraulic gates requires turning a handwheel located above the gate beam. This handwheel is located in the upper center of the gate beam. Therefore, it's inconvenient for operators to rotate the handwheel while standing in the center, especially in limited space. This restricts their range of motion and makes operation less flexible than from the side. Furthermore, the handwheel's location in the center obstructs the operator's view of the gate's elevation and surrounding conditions, hindering accurate judgment of the gate's operating position and any anomalies. Furthermore, positioning the handwheel in the center of the gate beam can make it difficult to ensure force transmission and balance during operation. Compared to positioning the handwheel in a more appropriate side position, this can lead to uneven force application, causing the gate to stutter or wobble during elevation, impacting smooth operation. If multiple people are required to coordinate the handwheel's movement, positioning the handwheel in the center of the gate beam can create awkward positioning, making it difficult to coordinate force direction and rhythm, hindering efficient collaborative operation. At the same time, when the lifting water conservancy project gate is in use, the track under the gate is open when the gate is raised. For example, leaves, branches, garbage, etc. are drawn in during the opening and closing process of the gate and stuck between the gate and the door frame or track, hindering the normal lifting of the gate. Utility Model Content

[0005] In order to solve the problem that when the handwheel of the existing lifting water conservancy project gate is set at the middle position of the gate beam frame, the handwheel is inconvenient to perform actions, and is not conducive to accurately judging the operating position of the gate and whether there is any abnormality, the utility model provides a lifting water conservancy project gate.

[0006] The technical solution of the utility model is:

[0007] A lifting type water conservancy project gate, which comprises a gate top beam, two side gate frames and a water baffle. The tops of the two side gate frames are integrally fixedly connected to the bottom of the gate top beam, and the gate top beam and the two side gate frames form a gate frame body with a U-shaped structure. The water baffle is installed between the two side gate frames by vertical insertion. A first hanging plate is installed in the middle of the top of the water baffle. An adjustment mechanism is provided above the first hanging plate. The adjustment mechanism is installed between the two side gate frames. The adjustment mechanism drives the water baffle to move vertically upward or downward to adjust the water flow.

[0008] The adjustment mechanism includes a transverse screw, a hand wheel, a left slider, a right slider, a left rotating frame, a right rotating frame and a bearing seat;

[0009] The end of the horizontal screw is fixedly connected to the center of the handwheel, and the horizontal screw is rotatably connected to the bearing seat on the side gate frame. When the handwheel is turned, the horizontal screw drives the horizontal screw to rotate between the two side gate frames. The horizontal screw is symmetrically installed with a left slider and a right slider, which are threadedly connected between the left slider and the right slider and the horizontal screw. When the horizontal screw rotates, the left slider and the right slider are driven to slide in opposite directions on the horizontal screw.

[0010] Furthermore, the longitudinal center line of the transverse screw has reverse thread structures on both sides, wherein the threaded hole of the left slider is connected to the left side of the transverse screw in the positive thread, and the threaded hole of the right slider is connected to the right side of the transverse screw in the reverse thread. When the transverse screw rotates, it synchronously drives the left slider and the right slider to move in the opposite direction.

[0011] Furthermore, the two ends of the left rotating frame are straight plate structures with arc-shaped surfaces, and the two left rotating frames are arranged in parallel on both sides of the left slider, and the left slider is rotatably connected to the first hanging plate through the left rotating frame.

[0012] Furthermore, the right turning frame consists of a U-shaped frame and an insertion rod, which is integrally connected to the bottom middle position of the U-shaped frame, wherein the U-shaped frame of the right turning frame is inserted on both sides of the right slider, and the insertion rod on the right turning frame is inserted between the two left turning frames.

[0013] Furthermore, an anti-blocking mechanism is detachably installed in front of the side gate frame;

[0014] The anti-blocking mechanism includes a blocking net, a triangular rib, a hanger and a second hanger. The blocking net is integrally connected to the triangular rib, the blocking net is fixedly connected to the hanger near both ends, the top of the hanger is fixedly connected to the second hanger, the socket on the second hanger is inserted into the threaded rod on the side gate frame, and the second hanger is fixed to the side gate frame by a nut. When the second hanger is lifted vertically upward, the second hanger drives the blocking net through the hanger.

[0015] Furthermore, the cross section of the barrier net is an L-shaped structure, wherein the longitudinal mesh surface of the barrier net is arranged parallel to the water retaining plate, and the transverse mesh surface of the barrier net is parallel to the channel bottom;

[0016] The length of the barrier net is greater than the length of the water retaining plate.

[0017] Furthermore, the transverse cross-section of the side gate frame is a U-shaped frame structure, and the side gate frame is longitudinally inserted into the slot on the side of the channel below the middle position to fix the side gate frame to the channel.

[0018] Furthermore, the back of the water retaining plate has a rib plate with a cross structure.

[0019] Compared with the prior art, the present invention has the following effects:

[0020] The utility model sets the hand wheel on the side of the side gate frame. When opening and closing the water retaining plate, the staff only needs to stand on the side of the channel to complete the rotation of the hand wheel, which is convenient for the staff standing on the side to rotate the hand wheel without being restricted by space and flexible in operation. At the same time, setting the hand wheel on the side to a certain extent prevents the operator from observing the gate lifting status and surrounding conditions from being blocked, making it easier for the staff to accurately judge the operating position of the gate and whether there are any abnormalities.

[0021] When the water baffle needs to be raised and adjusted, the hand wheel is rotated clockwise, and the hand wheel drives the horizontal screw to rotate synchronously. When the horizontal screw rotates, the left slider and the right slider are driven to move synchronously in the opposite direction outward on the horizontal screw, increasing the distance between the left slider and the right slider. The left slider drives the left rotating frame to rotate counterclockwise, and the right slider drives the right rotating frame to rotate clockwise. When the left and right rotating frames rotate, the left and right rotating frames drive the water baffle to move vertically upward along the side gate frame through the first hanging plate, thereby raising the water baffle.

[0022] When the water baffle needs to be closed, the hand wheel is rotated counterclockwise, and the horizontal screw drives the left slider and the right slider to move inward in the opposite direction on the horizontal screw, reducing the distance between the left slider and the right slider. The left slider drives the left rotating frame to rotate clockwise, and the right slider drives the right rotating frame to rotate counterclockwise. When the left rotating frame and the right rotating frame rotate, the left rotating frame and the right rotating frame drive the water baffle to move vertically downward along the side gate frame through the first hanging plate, thereby causing the water baffle to drop and reducing the flow rate of water in the channel.

[0023] The utility model provides an anti-blocking mechanism at the front of the side gate frame. By providing the anti-blocking mechanism, when the water baffle rises, water will flow out from the bottom of the water baffle. By installing the anti-blocking mechanism in front of the side gate frame, the blocking net on the anti-blocking mechanism can prevent debris in the water (such as branches, garbage, etc.) from entering the gap between the side of the water baffle and the side gate frame, or getting stuck on the lifting track of the gate, thereby avoiding the water baffle from getting stuck during the lifting process, which affects the normal opening and closing of the water baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 yes Figure 1 Rear view;

[0026] Figure 3 It is a schematic diagram of the connection between the left slider and the left rotating frame;

[0027] Figure 4 It is a schematic diagram of the connection between the right slider and the right rotating frame;

[0028] Figure 5 It is a structural diagram of the anti-blocking mechanism;

[0029] Figure 6 yes Figure 5 Left view of;

[0030] Figure 7 This is a structural diagram of the lifting type water conservancy project gate before improvement;

[0031] In the figure: 1. Gate top beam, 2. Side gate frame, 3. Water retaining plate, 4. First hanger, 5. Adjustment mechanism, 6. Anti-blocking mechanism, 7. Channel, 8. Rib plate, 9. Longitudinal screw, 51. Horizontal screw, 52. Handwheel, 53. Left slider, 54. Right slider, 55. Left rotating frame, 56. Right rotating frame, 57. Bearing seat, 58. Pin, 61. Blocking net, 62. Triangular rib plate, 63. Hanging rod, 64. Second hanger. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0033] Specific implementation method 1: Combination Figure 1 and Figure 2 Describe this embodiment. This embodiment is a lifting water conservancy project gate, which is composed of a gate top beam 1, two side gate frames 2 and a water baffle 3. The tops of the two side gate frames 2 are integrally fixedly connected to the bottom of the gate top beam 1, and the gate top beam 1 and the two side gate frames 2 constitute a gate frame body with a U-shaped structure. The water baffle 3 is installed between the two side gate frames 2 by vertical insertion. A first hanging plate 4 is installed in the middle position of the top of the water baffle 3. An adjusting mechanism 5 is provided above the first hanging plate 4. The adjusting mechanism 5 is installed between the two side gate frames 2. The adjusting mechanism 5 drives the water baffle 3 to move vertically upward or downward to adjust the water flow;

[0034] The adjustment mechanism 5 includes a transverse screw 51, a hand wheel 52, a left slider 53, a right slider 54, a left rotating frame 55, a right rotating frame 56 and a bearing seat 57;

[0035] The end of the transverse screw 51 is fixedly connected to the center of the hand wheel 52, and the transverse screw 51 is rotatably connected to the bearing seat 57 on the side gate frame 2. When the hand wheel 52 is turned, the transverse screw 51 is driven to rotate between the two side gate frames 2. A left slider 53 and a right slider 54 are symmetrically installed on the transverse screw 51. The left slider 53 and the right slider 54 are threadedly connected to the transverse screw 51. When the transverse screw 51 rotates, the left slider 53 and the right slider 54 are driven to slide in opposite directions on the transverse screw 51. The two left sliders 53 and 54 are symmetrically mounted on the transverse screw 51. The side shaft is rotatably connected to the ends of the two left rotating frames 55, and the other end of the left rotating frame 55 is rotatably connected to the first hanger 4 through a pin shaft 58. The two side shafts of the right slider 54 are rotatably connected to the ends of the right rotating frame 56, and the other end of the right rotating frame 56 is rotatably connected to the first hanger 4 through a pin shaft 58. When the left slider 53 and the right slider 54 move, they drive the corresponding left rotating frame 55 and right rotating frame 56 to rotate in the opposite direction. When the left rotating frame 55 and the right rotating frame 56 rotate, they drive the water retaining plate 3 to move between the two side gate frames 2 through the first hanger 4.

[0036] Specific implementation method 2: Combination Figure 3 and Figure 4To describe this embodiment, a lifting type water conservancy project gate is provided in this embodiment, wherein the longitudinal center line of the transverse screw 51 has reverse thread structures on both sides, wherein the threaded hole of the left slider 53 is connected to the left side of the transverse screw 51 in a forward threaded manner, and the threaded hole of the right slider 54 is connected to the right side of the transverse screw 51 in a reverse threaded manner, and when the transverse screw 51 rotates, the left slider 53 and the right slider 54 are synchronously driven to move in reverse directions.

[0037] The middle position of the transverse screw 51 is a smooth shaft structure, and the rod surface of the transverse screw 51 is fixedly connected to the inner ring surface of the rolling bearing on the bearing seat 57, so that the transverse screw 51 rotates, and the threaded hole of the left slider 53 is connected to the left positive thread of the transverse screw 51, and the threaded hole of the right slider 54 is connected to the right reverse thread of the transverse screw 51. Therefore, when the transverse screw 51 rotates, it drives the left slider 53 and the right slider 54 to move synchronously inward in the opposite direction on the transverse screw 51, increasing the distance between the left slider 53 and the right slider 54, or when the transverse screw 51 rotates in the opposite direction, it drives the left slider 53 and the right slider 54 to move synchronously inward in the opposite direction on the transverse screw 51, reducing the distance between the left slider 53 and the right slider 54.

[0038] Specific implementation method three: Combination Figure 3 To illustrate this embodiment, this embodiment is a lifting type water conservancy project gate, the two ends of the left rotating frame 55 are straight plate structures with curved surfaces, the two left rotating frames 55 are arranged in parallel on both sides of the left slider 53, and the left slider 53 is rotatably connected to the first hanging plate 4 through the left rotating frame 55.

[0039] The left rotating frame 55 is a metal steel plate structure, and two mounting holes are symmetrically provided near the two ends of the left rotating frame 55. The mounting hole at the top of the left rotating frame 55 is inserted into the shaft of the left slider 53, so that the top of the left rotating frame 55 can rotate, and the mounting hole at the bottom of the left rotating frame 55 is inserted into the pin shaft 58 on the first hanging plate 4, so that the bottom of the left rotating frame 55 can rotate, and the rotation angle of the left rotating frame 55 is less than 90 degrees. When the left rotating frame 55 rotates, it will push or pull the water baffle 3 to move up and down.

[0040] Specific implementation method four: Combination Figure 4 This embodiment describes a lifting type water conservancy project gate. The right turning frame 56 is composed of a U-shaped frame and an insert rod. The insert rod is integrally connected to the bottom middle position of the U-shaped frame. The U-shaped frame of the right turning frame 56 is inserted on both sides of the right slider 54, and the insert rod on the right turning frame 56 is inserted between the two left turning frames 55.

[0041] The U-shaped frame and the insertion rod on the right rotating frame 56 are respectively provided with mounting holes, and the mounting holes of the U-shaped frame on the right rotating frame 56 are inserted into the shaft of the right slider 54.

[0042] The mounting hole at the top is inserted into the shaft of the left slider 53, so that the top of the right rotating frame 56 can rotate, and the mounting hole on the insertion rod of the right rotating frame 56 is inserted into the pin 58 on the first hanging plate 4, so that the bottom of the right rotating frame 56 can rotate, and the rotation angle of the right rotating frame 56 is less than 90 degrees. When the right rotating frame 56 rotates, it will push or pull the water baffle 3 up and down.

[0043] Specific implementation method five: Combination Figure 5 and Figure 6 This embodiment describes a lifting type water conservancy project gate. The front of the side gate frame 2 is detachably mounted with an anti-blocking mechanism 6;

[0044] The anti-blocking mechanism 6 includes a blocking net 61, a triangular rib 62, a hanger 63 and a second hanger 64. The blocking net 61 is integrally connected to the triangular rib 62. The blocking net 61 is fixedly connected to the hanger 63 near both ends. The top of the hanger 63 is fixedly connected to the second hanger 64. The socket on the second hanger 64 is inserted into the threaded rod on the side gate frame 2, and the second hanger 64 is fixed to the side gate frame 2 by a nut. When the second hanger 64 is lifted vertically upward, the second hanger 64 drives the blocking net 61 through the hanger 63.

[0045] The triangular rib plate 62 is fixedly connected to the blocking net 61 by welding. The strength of the blocking net 61 is increased by setting the triangular rib plate 62. The end of the suspension rod 63 is fixedly connected to the longitudinal mesh surface of the blocking net 61 by welding. The suspension rod 63 and the second suspension plate 64 are an integrated structure, and a mounting hole is provided on the second suspension plate 64. When the anti-blocking mechanism 6 is in use, the mounting hole on the second suspension plate 64 is inserted into the threaded rod of the side gate frame 2, and then a nut is screwed into the threaded rod to fix the anti-blocking mechanism 6 to the side of the side gate frame 2, so as to facilitate the stabilization and disassembly of the anti-blocking mechanism 6.

[0046] Specific implementation method six: combination Figure 5 and Figure 6 To illustrate this embodiment, a lifting type water conservancy project gate is provided in this embodiment, wherein the cross-section of the retaining net 61 is an L-shaped structure, wherein the longitudinal mesh surface of the retaining net 61 is arranged parallel to the water retaining plate 3, and the transverse mesh surface of the retaining net 61 is parallel to the channel bottom; the length of the retaining net 61 is greater than the length of the water retaining plate 3.

[0047] The blocking net 61 is a wire mesh structure. When the water baffle 3 rises, water will flow out from the bottom of the water baffle 3. By installing an anti-blocking mechanism 6 in front of the side gate frame 2, the blocking net 61 on the anti-blocking mechanism 6 can block debris on the water surface such as branches, preventing the debris from getting stuck in the trough of the side gate frame 2, avoiding blockage, and causing the water baffle 3 to fall to the bottom of the trough of the side gate frame 2 when it is closed, causing the gap between the water baffle 3 and the channel bottom to be too large, making it impossible to better control the flow.

[0048] Specific implementation method seven: combination Figure 1 、 Figure 6 and Figure 7 To illustrate this embodiment, a lifting type water conservancy project gate is provided in this embodiment. The transverse cross-section of the side gate frame 2 is a U-shaped frame structure. The side gate frame 2 is longitudinally inserted into the slot on the side of the channel 7 below the middle position to fix the side gate frame 2 and the channel 7.

[0049] The tops of the two side gate frames 2 are integrally fixedly connected to the bottom of the gate top beam 1, and the gate top beam 1 and the two side gate frames 2 constitute a gate frame body with a U-shaped structure. The water retaining plate 3 is installed between the two side gate frames 2 by vertical insertion. The steel plates on the side surfaces of the side gate frames 2 fit into the groove surfaces of the slots on the side surfaces of the channel 7, and the side gate frames 2 are fixed in the slots of the channel 7 by bolts. The channel 7 is a concrete structure.

[0050] Specific implementation method eight: combination Figure 1 —7 describes this embodiment, which is a lifting type water conservancy project gate. The back of the water retaining plate 3 has a cross-structured rib plate 8.

[0051] Working principle:

[0052] When the water baffle 3 needs to be raised and adjusted, the hand wheel 52 is turned clockwise, and the hand wheel 52 drives the horizontal screw 51 to rotate synchronously. When the horizontal screw 51 rotates, it drives the left slider 53 and the right slider 54 to move synchronously outward in the opposite direction on the horizontal screw 51, increasing the distance between the left slider 53 and the right slider 54. The left slider 53 drives the left rotating frame 55 to rotate counterclockwise, and the right slider 54 drives the right rotating frame 56 to rotate clockwise. When the left rotating frame 55 and the right rotating frame 56 rotate, the left rotating frame 55 and the right rotating frame 56 drive the water baffle 3 to move vertically upward along the side gate frame 2 through the first hanging plate 4, thereby raising the water baffle 3.

[0053] Increase the flow of water in the channel;

[0054] When the water baffle 3 needs to be closed, the handwheel 52 is turned counterclockwise, and the transverse screw 51 drives the left slider 53 and the right slider 54 to move inward in the opposite direction on the transverse screw 51, reducing the distance between the left slider 53 and the right slider 54. The left slider 53 drives the left rotating frame 55 to rotate clockwise, and the right slider 54 drives the right rotating frame 56 to rotate counterclockwise. When the left rotating frame 55 and the right rotating frame 56 rotate, the left rotating frame 55 and the right rotating frame 56 drive the water baffle 3 to move vertically downward along the side gate frame 2 through the first hanger 4, thereby causing the water baffle 3 to drop and reduce the flow rate of water in the channel.

[0055] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of the technical content disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent replacement and improvement of the above embodiments made according to the technical essence of the present invention, within the spirit and principles of the present invention, without departing from the content of the technical solution of the present invention, shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A lifting type water conservancy project gate, comprising a gate top beam (1), two side gate frames (2) and a water retaining plate (3), wherein the tops of the two side gate frames (2) are integrally fixedly connected to the bottoms of the gate top beam (1), and the gate top beam (1) and the two side gate frames (2) constitute a gate frame body of a U-shaped structure, and the water retaining plate (3) is installed between the two side gate frames (2) by vertical insertion, characterized in that: A first hanging plate (4) is installed at the middle position of the top of the water baffle (3), and an adjusting mechanism (5) is provided above the first hanging plate (4). The adjusting mechanism (5) is installed between the two side gate frames (2). The adjusting mechanism (5) drives the water baffle (3) to move vertically upward or downward to adjust the water flow; The adjusting mechanism (5) comprises a transverse screw (51), a hand wheel (52), a left slider (53), a right slider (54), a left rotating frame (55), a right rotating frame (56) and a bearing seat (57); The end of the transverse screw (51) is fixedly connected to the center of the hand wheel (52), and the transverse screw (51) is rotatably connected to the bearing seat (57) on the side gate frame (2). When the hand wheel (52) is rotated, the transverse screw (51) is driven to rotate between the two side gate frames (2). A left slider (53) and a right slider (54) are symmetrically installed on the transverse screw (51). The left slider (53) and the right slider (54) are threadedly connected to the transverse screw (51). When the transverse screw (51) rotates, the left slider (53) and the right slider (54) are driven to slide in opposite directions on the transverse screw (51). The left slider (53) is symmetrically mounted on the transverse screw (51). The shaft members on both sides are rotatably connected to the ends of the two left rotating frames (55), and the other end of the left rotating frame (55) is rotatably connected to the first hanging plate (4) through a pin shaft (58). The shaft members on both sides of the right slider (54) are rotatably connected to the ends of the right rotating frame (56), and the other end of the right rotating frame (56) is rotatably connected to the first hanging plate (4) through a pin shaft (58). When the left slider (53) and the right slider (54) move, the corresponding left rotating frame (55) and the right rotating frame (56) are driven to rotate in opposite directions. When the left rotating frame (55) and the right rotating frame (56) rotate, the water retaining plate (3) is driven to move between the two side gate frames (2) through the first hanging plate (4).

2. The lifting type water conservancy engineering gate according to claim 1, characterized in that: The longitudinal midline of the transverse screw (51) is provided with a reverse thread structure on both sides, wherein the threaded hole of the left slider (53) is connected with the left side of the transverse screw (51) in a forward threaded manner, and the threaded hole of the right slider (54) is connected with the right side of the transverse screw (51) in a reverse threaded manner. When the transverse screw (51) rotates, the left slider (53) and the right slider (54) are synchronously driven to move in reverse directions.

3. The lifting type water conservancy engineering gate according to claim 2, characterized in that: The two ends of the left rotating frame (55) are straight plate structures with arc-shaped surfaces. The two left rotating frames (55) are arranged in parallel on both sides of the left slider (53). The left slider (53) is rotatably connected to the first hanging plate (4) through the left rotating frame (55).

4. The lifting type water conservancy engineering gate according to claim 2, characterized in that: The right rotating frame (56) is composed of a U-shaped frame and an insertion rod, and the insertion rod is integrally connected to the bottom middle position of the U-shaped frame, wherein the U-shaped frame of the right rotating frame (56) is inserted into both sides of the right slider (54), and the insertion rod on the right rotating frame (56) is inserted between the two left rotating frames (55).

5. The lifting type water conservancy engineering gate according to claim 1, characterized in that: An anti-blocking mechanism (6) is detachably mounted in front of the side gate frame (2); The anti-blocking mechanism (6) includes a blocking net (61), a triangular rib plate (62), a suspension rod (63) and a second suspension plate (64). The blocking net (61) is integrally connected to the triangular rib plate (62). The blocking net (61) is fixedly connected to the suspension rod (63) near both ends. The top of the suspension rod (63) is fixedly connected to the second suspension plate (64). The socket on the second suspension plate (64) is inserted into the threaded rod on the side gate frame (2). The second suspension plate (64) is fixed to the side gate frame (2) by a nut. When the second suspension plate (64) is lifted vertically upward, the second suspension plate (64) drives the blocking net (61) through the suspension rod (63).

6. The lifting type water conservancy engineering gate according to claim 5, characterized in that: The cross section of the barrier net (61) is an L-shaped structure, wherein the longitudinal mesh surface of the barrier net (61) is arranged parallel to the water retaining plate (3), and the transverse mesh surface of the barrier net (61) is parallel to the channel bottom; The length of the barrier net (61) is greater than the length of the water retaining plate (3).

7. The lifting type water conservancy engineering gate according to claim 1 or 5, characterized in that: The transverse cross section of the side gate frame (2) is a U-shaped frame structure, and the lower side of the side gate frame (2) near the middle position is longitudinally inserted into the slot on the side of the channel (7), fixing the side gate frame (2) and the channel (7).

8. The lifting type water conservancy engineering gate according to claim 6, characterized in that: The back of the water retaining plate (3) is provided with a rib plate (8) with a cross structure.

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