A flow-controllable gate for water conservancy projects

Abstract

The present invention relates to a gate, in particular to a controllable flow gate for water conservancy projects, belonging to the technical field of water conservancy projects, comprising a positioning installation frame, a basic adjustment plate is installed inside the positioning installation frame, an extension control structure is arranged inside the basic adjustment plate, an assembly frame is clamped at the upper end of the positioning installation frame, a combination adjustment plate is installed between the assembly frames, an outward expansion adjustment structure is connected inside the combination adjustment plate, a telescopic transmission structure is clamped between the outward expansion adjustment structure and the extension control structure, a stable top plate is installed at the upper end of the assembly frame, a rotating adjustment structure is installed inside the stable top plate, and the internal parts of the device can be quickly assembled and processed through the combined structure to adapt to the water flow control in waters of different depths, thereby improving the convenience of use and the control effect of the device, and using the telescopic structure in conjunction with the rotating structure to reduce the operating amplitude of the internal parts of the device during the control and adjustment of the device, thereby reducing the impact of the device on the surrounding environment.

Description

Technical Field

[0001] The invention relates to a gate, in particular to a flow-controllable gate for water conservancy projects, belonging to the technical field of water conservancy projects. Background Art

[0002] A gate is a control facility used to close and open a water discharge channel and is an important component of a hydraulic structure. Its main functions include intercepting water flow, controlling water level, regulating flow, and discharging sediment and floating objects.

[0003] The existing disclosure (announcement) number is CN220789648U, which is a water discharge gate for water conservancy projects. The water discharge gate for water conservancy projects includes a gate shell, a connecting frame is fixedly connected to the top of the gate shell, threaded barrels are rotatably connected to both sides of the top of the gate shell, and a second threaded rod is connected to the internal thread of the bottom of the threaded barrel. The water discharge gate for water conservancy projects provided by this patent is provided with a gate shell, a gate body, a crushing box, a third servo motor, a third turntable, a fourth turntable, a stirring rod and a stirring blade. The operation of the third servo motor drives the third turntable and the fourth turntable to rotate, thereby driving the stirring rod and the stirring blade to rotate, so as to achieve the effect of crushing, stirring and cleaning the water plants and garbage on the bottom of the water, avoiding the inconvenience of closing the gate due to the inconvenience of crushing and cleaning, which is beneficial to improving the sealing of the gate during closing, and at the same time, it is beneficial to improve the utilization rate of the gate.

[0004] Publication (Announcement) No.: CN118531752A A water discharge gate for a water conservancy project, wherein the water discharge gate for a water conservancy project comprises a gate housing, wherein the interior of the gate housing is provided with a plurality of gate circulation mechanisms in a linear array, wherein the gate circulation mechanisms comprise a filtering and cleaning assembly and a diverting assembly, wherein a driving assembly is provided in the gate housing, wherein the driving assembly is used to drive the arc seat to rotate by multiples of 90°, so that the intercepting net is close to the position of the positioning barrel, and the positioning barrel is connected with the drainage barrel for discharge; or the intercepting net is far from the position of the positioning barrel, and the positioning barrel is connected with the sewage barrel for discharge. The water discharge gate for a water conservancy project saves the maintenance cost of the water discharge gate by providing a plurality of gate circulation mechanisms in the gate housing of a box structure, and utilizing the mutual switching of two circulation modes and one closed mode of the gate circulation mechanism, and the water discharge gate is more practical.

[0005] The above device improves the convenience of cleaning garbage on the device surface and maintaining the device itself when in use. However, its structure is fixed and its adaptability to the depth of external waters is small. Its internal parts need to significantly change their working positions when in use, so the space utilization rate near the device is low.

[0006] In view of this, the present invention is proposed. Summary of the invention

[0007] The purpose of the present invention is to provide a controllable flow gate for water conservancy projects in order to solve the above problems, which has the advantages of combining the device to adapt to different water depths and high utilization of the space near the device.

[0008] The present invention achieves the above-mentioned purpose through the following technical scheme: a controllable flow gate for a water conservancy project, comprising a positioning installation frame, a fixed pointed cone is fixedly arranged on the lower surface of the positioning installation frame, a basic adjustment plate is installed inside the positioning installation frame, an extension control structure is arranged inside the basic adjustment plate, an assembly frame is clamped on the upper end of the positioning installation frame, a combination adjustment plate is installed between the assembly frames, an outward adjustment structure is connected inside the combination adjustment plate, a telescopic transmission structure is clamped between the outward adjustment structure and the extension control structure, a stable top plate is installed on the upper end of the assembly frame, and a rotation adjustment structure is rotatably installed inside the stable top plate.

[0009] Furthermore, in order to improve the flow control effect at the lower end of the device, the basic adjustment plate includes a center positioning plate and an extended baffle, a positioning adapter groove is opened at the center position of the positioning installation frame, and a rotating connecting block is rotated and clamped inside the positioning adapter groove, the center positioning plate is fixedly installed on the upper surface of the rotating connecting block, the lower surface of the center positioning plate and the inner lower surface of the positioning installation frame are fitted with each other, extension slide grooves are opened on both sides of the center positioning plate, and the extension baffle is slidably clamped inside the extension slide grooves, and stable clamping grooves are opened on both sides of the interior of the positioning installation frame, and the stable clamping grooves and the extended baffle are slidably clamped with each other.

[0010] Furthermore, in order to drive the extension baffle to move in a mirror image, the extension control structure includes a bidirectional threaded rod, an extension mounting hole is opened at the center position of the center positioning plate, and extension mounting holes are opened on the outer sides of the two ends of the extension mounting hole. The bidirectional threaded rod is rotatably installed in the interior of the extension mounting hole, and extension threaded holes are opened in the interior of both ends of the extension baffle. The extension threaded holes are respectively rotatably engaged with the two ends of the bidirectional threaded rod, a stabilizing sprocket is fixedly installed on one side of the center of the bidirectional threaded rod, and a stabilizing chain is engaged with the outer sleeve of the stabilizing sprocket, and a stretching transmission gear is fixedly installed on the other side of the center of the bidirectional threaded rod, an extension motor is fixedly installed on the lower end of the extension mounting hole, and a driving gear is fixedly installed on the output end of the extension motor, and the driving gear is engaged with the stretching transmission gear.

[0011] Furthermore, in order to quickly disassemble and assemble the device, a combination slot is provided at the upper end of the positioning and mounting frame, a combination connecting hole is provided on one side of the combination slot, and an assembly bolt is slidably engaged inside the combination connecting hole, and an assembly block is designed at the lower end of the assembly frame, an assembly threaded hole is provided inside the assembly block, the positions of the assembly threaded hole and the combination connecting hole correspond to each other, and the assembly bolt and the assembly threaded hole are rotatably engaged with each other, and the upper end of the assembly frame is provided with an assembly slot, and stable blocks are designed on the lower sides of both ends of the stable top plate, and the stable blocks and the assembly slots are slidably engaged with each other, a stable through hole is provided on the outside of the assembly slot, and a stable threaded hole is provided inside the stable block, and the positions of the stable threaded holes correspond to the positions of the stable through holes, and the stable bolt is slidably engaged with the stable threaded holes, and the stable bolt and the stable threaded holes are rotatably engaged with each other.

[0012] Furthermore, in order to increase the control area of ​​the device, the combined adjustment plate includes a combined positioning plate and a telescopic baffle, the combined positioning plate is arranged directly above the central positioning plate, the lower surface of the combined positioning plate and the upper surface of the central positioning plate are fitted together, telescopic slide grooves are provided on both sides of the combined positioning plate, the telescopic baffle is slidably engaged in the interior of the telescopic slide grooves, reinforcement grooves are provided on both sides of the interior of the assembly frame, the reinforcement grooves and the telescopic baffle are slidably engaged with each other, a telescopic connecting block is designed at the lower end of the telescopic baffle, a connecting groove is provided at the upper end of the extension baffle, the telescopic connecting block and the connecting groove are slidably engaged with each other.

[0013] Furthermore, in order to drive the combined adjustment plate to perform work adjustment, the outward expansion adjustment structure includes a mirror-image threaded rod, an outward expansion mounting hole is opened at the central axis position of the combined positioning plate, outward expansion mounting holes are opened on the outer sides of both ends of the outward expansion mounting hole, the mirror-image threaded rod is rotatably installed in the interior of the outward expansion mounting hole, outward expansion threaded holes are opened in the interior of both ends of the telescopic baffle, and the outward expansion threaded holes are respectively rotatably engaged with the two ends of the mirror-image threaded rod, a synchronous sprocket is fixedly installed on one side of the center of the mirror-image threaded rod, a synchronous chain is engaged with the outer sleeve of the synchronous sprocket, and an outward expansion transmission gear is fixedly installed on the other side of the center of the mirror-image threaded rod.

[0014] Furthermore, in order to drive the upper and lower parts of the device to work synchronously, the telescopic transmission structure includes a connecting card plate, one end of the connecting card plate is slidably engaged with the inside of the extension mounting hole, and the other end of the connecting card plate is slidably engaged with the inside of the outward extension mounting hole, and transmission mounting holes are provided at both ends of the connecting card plate, and a telescopic transmission shaft is rotatably engaged with the inside of the transmission mounting hole, a linkage gear is fixedly welded to one end of the telescopic transmission shaft, and a linkage sprocket is fixedly installed on the other end of the telescopic transmission shaft, and a linkage chain is meshed with the outer side of the linkage sprocket, and arc-shaped grooves are provided at both ends of the connecting card plate, the arc-shaped groove at one end is slidably engaged with the bidirectional threaded rod, and the arc-shaped groove at the other end is slidably engaged with the mirror threaded rod, and the outer sides of the linkage gears are respectively meshed with the outward extension transmission gear and the extension transmission gear.

[0015] Furthermore, in order to control the rotation and expansion of the control device to improve the flow control effect of the gate, the rotation adjustment structure includes a rotating gear ring, a drive mounting groove is provided on the lower surface of the stable top plate, the rotating gear ring is rotatably clamped in the inside of the drive mounting groove, a drive mounting hole is provided on the upper side of the drive mounting groove, a driving gear is rotatably clamped in the inside of the drive mounting hole, the driving gear and the rotating gear ring are meshed with each other, a rotating motor is fixedly installed on the upper surface of the stable top plate, the output end of the rotating motor and the driving gear are fixedly connected to each other, drive sliding blocks are designed on the lower surfaces of both sides of the rotating gear ring, a stabilizing slide groove is provided on the upper end of the telescopic baffle, and the drive sliding block and the stabilizing slide groove are slidably clamped with each other.

[0016] The technical effects and advantages of the present invention are as follows: through the combined structure, the internal parts of the device can be quickly assembled and processed to adapt to the water flow control in waters of different depths, thereby improving the convenience of using the device and the control effect; the telescopic structure is used in conjunction with the rotating structure, and during the control and adjustment of the device, the operating range of the internal parts of the device is reduced, reducing the impact of the device on the surrounding environment, and improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a side cross-sectional structural schematic diagram of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the present invention;

[0019] Figure 3 It is a structural schematic diagram of the positioning and installation frame part of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the basic adjustment plate part of the present invention;

[0021] Figure 5It is a structural schematic diagram of the extension control structure part of the present invention;

[0022] Figure 6 It is a schematic diagram of the internal structure of the combined adjustment plate part of the present invention;

[0023] Figure 7 It is a structural schematic diagram of the assembled frame part in the present invention;

[0024] Figure 8 It is a structural connection diagram of the telescopic transmission structure part of the present invention;

[0025] Fig. 9 It is a side cross-sectional structural schematic diagram of the telescopic transmission structure part of the present invention;

[0026] Fig.10 It is a schematic diagram of the structure of the rotation adjustment structure part in the present invention.

[0027] In the figure: 1, positioning installation frame; 2, fixed cone; 3, basic adjustment plate; 301, center positioning plate; 302, extension baffle; 303, rotating connection block; 4, extension control structure; 401, two-way threaded rod; 402, stable sprocket; 403, stable chain; 404, extension transmission gear; 405, extension motor; 5, assembly frame; 501, assembly bolt; 502, assembly block; 6, combined adjustment plate; 601, combined positioning plate; 602, telescopic baffle; 603, telescopic Connecting block; 7. Outward extension adjustment structure; 701. Mirror threaded rod; 702. Synchronous sprocket; 703. Synchronous chain; 704. Outward extension transmission gear; 8. Telescopic transmission structure; 801. Connecting card plate; 802. Telescopic transmission shaft; 803. Linkage gear; 804. Linkage sprocket; 805. Linkage chain; 9. Stabilizing top plate; 901. Stabilizing card block; 902. Stabilizing bolt; 10. Rotation adjustment structure; 101. Rotating gear ring; 102. Rotating motor; 103. Driving slider. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-10As shown, a controllable flow gate for a water conservancy project comprises a positioning installation frame 1, a fixed pointed cone 2 is fixedly arranged on the lower surface of the positioning installation frame 1 to improve the positioning installation effect of the device, a basic adjustment plate 3 is installed inside the positioning installation frame 1 to control the output rate of the water flow at the lower end of the device, the basic adjustment plate 3 comprises a central positioning plate 301 and an extension baffle 302, a positioning adapter groove is opened at the center position of the positioning installation frame 1, a rotation connecting block 303 is rotatably connected inside the positioning adapter groove, the central positioning plate 301 is fixedly installed on the upper surface of the rotation connecting block 303 to improve the stability of the positioning installation frame 1 during installation, the lower surface of the central positioning plate 301 and the inner lower surface of the positioning installation frame 1 are fitted with each other, extension slide grooves are opened on both sides of the central positioning plate 301, and the extension baffle 302 is slidably connected to the inner part of the extension slide groove to control and adjust the blocking effect of the basic adjustment plate 3, and stable card grooves are opened on both sides of the interior of the positioning installation frame 1, and the stable card groove and the extension baffle 302 are slidably connected to each other to improve the blocking effect of the basic adjustment plate 3.

[0030] The base adjustment plate 3 is provided with an extension control structure 4 inside, and the extension control structure 4 includes a bidirectional threaded rod 401, a stretching mounting hole is provided at the center position of the center positioning plate 301, and extension mounting holes are provided on the outer sides of the two ends of the extension mounting hole, and the bidirectional threaded rod 401 is respectively rotatably installed inside the extension mounting hole, and extension threaded holes are provided inside both ends of the extension baffle 302, and the extension threaded holes are respectively rotatably engaged with the two ends of the bidirectional threaded rod 401, driving the extension baffle 302 to open and close in a mirror image, and a stabilizing sprocket 402 is fixedly installed on one side of the center of the bidirectional threaded rod 401, and a stabilizing chain 403 is engaged with the outer sleeve of the stabilizing sprocket 402, driving the bidirectional threaded rod 401 to rotate synchronously, thereby improving the stability of the base adjustment plate 3 when in use, and a stretching transmission gear 404 is fixedly installed on the other side of the center of the bidirectional threaded rod 401, and a stretching motor 405 is fixedly installed inside the lower end of the extension mounting hole, and a driving gear is fixedly installed on the output end of the extension motor 405, and the driving gear and the stretching transmission gear 404 are engaged with each other, thereby achieving a blocking effect on both sides inside the driving control device.

[0031] The upper end of the positioning installation frame 1 is clamped with an assembly frame 5, which is convenient for the device to be used in combination and adapt to different environments. A combined adjustment plate 6 is installed between the assembly frames 5. The combined adjustment plate 6 includes a combined positioning plate 601 and a telescopic baffle 602. The combined positioning plate 601 is arranged just above the center positioning plate 301. The lower surface of the combined positioning plate 601 and the upper surface of the center positioning plate 301 are in contact with each other. Telescopic slide grooves are provided on both sides of the combined positioning plate 601. The telescopic baffle 602 is slidably clamped in the inside of the telescopic slide groove to control the water flow conveying effect of the upper space of the basic adjustment plate 3. Reinforcement slots are provided on both sides of the interior of the assembly frame 5. The reinforcement slots and the telescopic baffle 602 are slidably clamped to each other to improve the flow blocking effect of the position of the combined adjustment plate 6. A telescopic connecting block 603 is designed at the lower end of the telescopic baffle 602. A connecting slide groove is provided at the upper end of the extension baffle 302. The telescopic connecting block 603 and the connecting slide groove are slidably clamped to each other to enhance the linkage effect of the internal parts of the device.

[0032] The combined adjustment plate 6 is internally connected with an outward expansion adjustment structure 7, which includes a mirror-image threaded rod 701. An outward expansion mounting hole is provided at the central axis position of the combined positioning plate 601, and outward expansion mounting holes are provided on the outer sides of the two ends of the outward expansion mounting hole. The mirror-image threaded rod 701 is rotatably installed in the inner part of the outward expansion mounting hole. Outward expansion threaded holes are provided in the inner part of both ends of the telescopic baffle 602, and the outward expansion threaded holes are respectively rotatably engaged with the two ends of the mirror-image threaded rod 701 to drive and control the extension length of the telescopic baffle 602. A synchronous sprocket 702 is fixedly installed on one side of the center of the mirror-image threaded rod 701, and a synchronous chain 703 is engaged with the outer sleeve of the synchronous sprocket 702 to drive the mirror-image threaded rod 701 to rotate synchronously, thereby improving the adjustment effect of the combined adjustment plate 6. An outward expansion transmission gear 704 is fixedly installed on the other side of the center of the mirror-image threaded rod 701 to increase the transmission effect of the internal power of the device.

[0033] A telescopic transmission structure 8 is connected between the extension adjustment structure 7 and the extension control structure 4. The telescopic transmission structure 8 includes a connecting card plate 801. One end of the connecting card plate 801 is slidably connected to the inside of the extension mounting hole, and the other end of the connecting card plate 801 is slidably connected to the inside of the extension mounting hole, so as to improve the installation effect of the telescopic transmission structure 8 when it is used. Transmission mounting holes are provided at both ends of the connecting card plate 801. A telescopic transmission shaft 802 is rotatably connected to the inside of the transmission mounting hole. A linkage gear 803 is fixedly welded to one end of the telescopic transmission shaft 802. 2 is fixedly installed with a linkage sprocket 804, and the outer side of the linkage sprocket 804 is meshed with a linkage chain 805 to transmit the power of the extension control structure 4. Arc grooves are provided at both ends of the connecting clamping plate 801. The arc groove at one end is slidably engaged with the bidirectional threaded rod 401, and the arc groove at the other end is slidably engaged with the mirror threaded rod 701. The outer sides of the linkage gear 803 are respectively meshed with the extension transmission gear 704 and the extension transmission gear 404, so as to improve the transmission effect of the internal parts of the device and facilitate the regulation of the device.

[0034] A stable top plate 9 is installed at the upper end of the assembling frame 5, and a combination card slot is provided at the upper end of the positioning installation frame 1, and a combination connecting hole is provided on one side of the combination card slot, and an assembling bolt 501 is slidably connected inside the combination connecting hole, and an assembling block 502 is designed at the lower end of the assembling frame 5, and an assembling threaded hole is provided inside the assembling block 502, and an assembling threaded hole is provided inside the assembling block 502, and the positions of the assembling threaded hole and the combination connecting hole correspond to each other, and the assembling bolt 501 and the assembling threaded hole are rotatably engaged with each other, thereby improving the stability of the assembly of the assembling frame 5, and the upper end of the assembling frame 5 is provided with an assembling card slot, and stable card blocks 901 are designed on the lower sides of both ends of the stable top plate 9, and the stable card blocks 901 are slidably engaged with the assembling card slots, and a stable through hole is provided on the outside of the assembling card slot, and a stable threaded hole is provided inside the stable card block 901, and the positions of the stable threaded holes correspond to the positions of the stable through holes, and the stable bolt 902 is slidably connected inside the stable through hole, and the stable bolt 902 and the stable threaded hole are rotatably engaged with each other, thereby improving the stability of the device when in use.

[0035] A rotation adjustment structure 10 is rotatably installed inside the stable top plate 9, and the rotation adjustment structure 10 includes a rotating gear ring 101. A drive installation groove is provided on the lower surface of the stable top plate 9, and the rotating gear ring 101 is rotatably connected to the inside of the drive installation groove. A drive installation hole is provided on the upper side of the drive installation groove, and a driving gear is rotatably connected to the inside of the drive installation hole. The driving gear and the rotating gear ring 101 are meshed with each other. A rotating motor 102 is fixedly installed on the upper surface of the stable top plate 9, and the output end of the rotating motor 102 is fixedly connected to the driving gear to drive and position the working angle of the rotating gear ring 101. Drive sliders 103 are designed on the lower surfaces of both sides of the rotating gear ring 101, and a stabilizing slide groove is provided on the upper end of the telescopic baffle 602. The drive slider 103 and the stabilizing slide groove are slidably connected to each other to adjust the working angle of the basic adjustment plate 3 and the combined adjustment plate 6, thereby increasing the adjustment range of the internal flow area of ​​the device and enhancing the working effect of the device.

[0036] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A flow-controllable gate for a water conservancy project, comprising a positioning installation frame (1), a fixed pointed cone (2) being fixedly arranged on the lower surface of the positioning installation frame (1), characterized in that: A basic adjustment plate (3) is installed inside the positioning installation frame (1), an extension control structure (4) is arranged inside the basic adjustment plate (3), an assembly frame (5) is clamped on the upper end of the positioning installation frame (1), a combination adjustment plate (6) is installed between the assembly frames (5), an extension adjustment structure (7) is connected inside the combination adjustment plate (6), a telescopic transmission structure (8) is clamped between the extension adjustment structure (7) and the extension control structure (4), a stable top plate (9) is installed on the upper end of the assembly frame (5), and a rotation adjustment structure (10) is rotatably installed inside the stable top plate (9); The base adjustment plate (3) comprises a central positioning plate (301) and an extension baffle (302); a positioning adapter groove is provided at the central position of the positioning installation frame (1); a rotationally connected block (303) is rotatably connected inside the positioning adapter groove; the central positioning plate (301) is fixedly installed on the upper surface of the rotationally connected block (303); the lower surface of the central positioning plate (301) and the lower surface of the interior of the positioning installation frame (1) are mutually abutted; extension slide grooves are provided on both sides of the central positioning plate (301); the extension baffle (302) is slidably connected inside the extension slide grooves; stable slots are provided on both sides of the interior of the positioning installation frame (1); the stable slots and the extension baffle (302) are slidably connected to each other; The extension control structure (4) comprises a bidirectional threaded rod (401), a stretching mounting hole is provided at the center position of the center positioning plate (301), and stretching mounting holes are provided at the outer sides of the two ends of the stretching mounting hole. The bidirectional threaded rod (401) is rotatably mounted inside the stretching mounting hole, and stretching threaded holes are provided inside the two ends of the extension baffle (302), and the stretching threaded holes are rotatably engaged with the two ends of the bidirectional threaded rod (401), a stabilizing sprocket (402) is fixedly mounted on one side of the center of the bidirectional threaded rod (401), and a stabilizing chain (403) is sleeve-engaged on the outer side of the stabilizing sprocket (402), and a stretching transmission gear (404) is fixedly mounted on the other side of the center of the bidirectional threaded rod (401), and a stretching motor (405) is fixedly mounted inside the lower end of the stretching mounting hole, and a driving gear is fixedly mounted on the output end of the stretching motor (405), and the driving gear and the stretching transmission gear (404) are engaged with each other; The combined adjustment plate (6) comprises a combined positioning plate (601) and a telescopic baffle (602); the combined positioning plate (601) is arranged directly above the central positioning plate (301); the lower surface of the combined positioning plate (601) and the upper surface of the central positioning plate (301) are in contact with each other; telescopic sliding grooves are provided on both sides of the combined positioning plate (601); the telescopic baffle (602) is slidably engaged in the interior of the telescopic sliding grooves; reinforcement slots are provided on both sides of the interior of the assembly frame (5); the reinforcement slots and the telescopic baffle (602) are slidably engaged with each other; a telescopic connecting block (603) is provided at the lower end of the telescopic baffle (602); a connecting sliding groove is provided at the upper end of the extension baffle (302); the telescopic connecting block (603) and the connecting sliding groove are slidably engaged with each other; The outward extension adjustment structure (7) comprises a mirror-image threaded rod (701), an outward extension mounting hole is provided at the central axis position of the combined positioning plate (601), outward extension mounting holes are provided at the outer sides of the two ends of the outward extension mounting hole, the mirror-image threaded rod (701) is rotatably installed in the inner side of the outward extension mounting hole, outward extension threaded holes are provided in the inner sides of the two ends of the telescopic baffle (602), the outward extension threaded holes are rotatably engaged with the two ends of the mirror-image threaded rod (701), a synchronous sprocket (702) is fixedly installed on one side of the center of the mirror-image threaded rod (701), a synchronous chain (703) is sleeved and engaged with the outer side of the synchronous sprocket (702), and an outward extension transmission gear (704) is fixedly installed on the other side of the center of the mirror-image threaded rod (701); The telescopic transmission structure (8) comprises a connecting card plate (801), one end of the connecting card plate (801) is slidably clamped in the interior of the extension mounting hole, and the other end of the connecting card plate (801) is slidably clamped in the interior of the extension mounting hole, and transmission mounting holes are provided at both ends of the connecting card plate (801), and a telescopic transmission shaft (802) is rotatably clamped in the interior of the transmission mounting hole, one end of the telescopic transmission shaft (802) is fixedly welded with a linkage gear (803), and the other end of the telescopic transmission shaft (802) is fixedly welded with a linkage gear (803). A linkage sprocket (804) is fixedly installed, and a linkage chain (805) is meshed on the outer side of the linkage sprocket (804). Arc-shaped slots are provided at both ends of the connecting clamp plate (801). The arc-shaped slot at one end is slidably engaged with the bidirectional threaded rod (401), and the arc-shaped slot at the other end is slidably engaged with the mirror threaded rod (701). The outer side of the linkage gear (803) is respectively meshed with the outward transmission gear (704) and the extension transmission gear (404).

2. The flow-controllable gate for water conservancy projects according to claim 1 is characterized in that: The upper end of the positioning installation frame (1) is provided with a combination slot, one side of the combination slot is provided with a combination connection hole, an assembly bolt (501) is slidably engaged inside the combination connection hole, the lower end of the assembly frame (5) is provided with an assembly block (502), an assembly threaded hole is provided inside the assembly block (502), the positions of the assembly threaded hole and the combination connection hole correspond to each other, the assembly bolt (501) and the assembly threaded hole are rotatably engaged with each other, the upper end of the assembly frame (5) is provided with an assembly slot, the lower sides of both ends of the stable top plate (9) are provided with stabilizing blocks (901), the stabilizing blocks (901) and the assembly slot are slidably engaged with each other, the outer side of the assembly slot is provided with a stabilizing through hole, the inner side of the stabilizing block (901) is provided with a stabilizing threaded hole, the position of the stabilizing threaded hole corresponds to the position of the stabilizing through hole, the inner side of the stabilizing through hole is slidably engaged with a stabilizing bolt (902), the stabilizing bolt (902) and the stabilizing threaded hole are rotatably engaged with each other.

3. The flow-controllable gate for water conservancy projects according to claim 1 is characterized in that: The rotation adjustment structure (10) comprises a rotating gear ring (101), a driving installation groove is provided on the lower surface of the stable top plate (9), the rotating gear ring (101) is rotatably engaged with the interior of the driving installation groove, a driving installation hole is provided on the upper side of the driving installation groove, a driving gear is rotatably engaged with the interior of the driving installation hole, the driving gear and the rotating gear ring (101) are meshed with each other, a rotating motor (102) is fixedly installed on the upper surface of the stable top plate (9), the output end of the rotating motor (102) and the driving gear are fixedly connected with each other, driving sliders (103) are designed on the lower surfaces of both sides of the rotating gear ring (101), a stabilizing slide groove is provided on the upper end of the telescopic baffle (602), and the driving slider (103) and the stabilizing slide groove are slidably engaged with each other.

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