Lifting type water conservancy valve

Abstract

The utility model relates to the technical field of water conservancy projects, and discloses a lifting type water conservancy valve which comprises a frame and a valve plate, the frame is connected with the valve plate in a sliding mode, a machine box is fixedly arranged at the top end of the frame, a main shaft is arranged in the machine box, and the main shaft is driven by a driving mechanism to rotate in the machine box. Worms are arranged on the two sides of the main shaft and are in meshed connection with worm wheels, the worm wheels are fixedly connected with vertical shafts, the bottom ends of the vertical shafts are fixedly connected with lead screws, the lead screws are in threaded connection with lifting assemblies, and the bottom ends of the lifting assemblies are connected with the valve plate. The valve plate lifting device has the advantages that the main shaft can be driven through the driving mechanism, when the main shaft rotates, the two worm gears can be driven to rotate at the same time through the two worms, torque can be increased, synchronism of the two lead screws is guaranteed, the lead screws can evenly support the two sides of the top end of the valve plate through the lifting assembly, and the valve plate can be lifted conveniently. And the phenomenon of non-uniform stress on two sides of the top end of the valve plate is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a lifting type water conservancy valve. Background Art

[0002] Water conservancy projects are a general term for various engineering projects built to control, utilize and protect surface and underground water resources and the environment. They are projects built to eliminate water disasters and develop and utilize water resources. According to their service objects, they are divided into flood control projects, farmland water conservancy projects, hydropower projects, waterway and port projects, water supply and drainage projects, environmental water conservancy projects, and sea reclamation projects. Water conservancy projects that can serve multiple purposes such as flood control, water supply, irrigation, and power generation are called comprehensive utilization water conservancy projects.

[0003] The "lifting water conservancy gate for water conservancy projects" disclosed in its application number "CN202321992042.9" "comprises a fixed base, guide support seats are fixedly installed on the left and right ends of the top of the fixed base, and guide slide grooves are respectively opened on the side surfaces of the two guide support seats close to each other in the vertical direction, and a lifting gate is arranged between the two guide slide grooves, and the left and right ends of the lifting gate are respectively slidably connected in the two guide slide grooves, and first screw grooves are respectively opened on the left and right ends of the top of the lifting gate, and fixed seats are respectively fixedly installed on the left and right ends of the top of the lifting gate, and connecting holes penetrating up and down are respectively opened on the tops of the two fixed seats, and lifting rods are respectively fixedly connected in the two connecting holes, and second screw grooves penetrating up and down are respectively opened on the tops of the two lifting rods, and the first screw groove corresponds to the second screw groove". In the utility model, through the mutual cooperation among the lifting gate, the fixed seat, the lifting rod, the connecting rod, the driving motor, the first screw groove and the threaded rod, when the lifting water conservancy gate for the water conservancy project is in use, when the gate is lowered, the driving motor is started, and the driving motor drives the threaded rod to rotate. Since the threaded rod is threadedly connected in the lifting rod and the lifting gate, and the lifting rod is slidably connected in the connecting rod, the rotation of the threaded rod drives the lifting rod and the lifting gate to descend, thereby achieving the effect of closing the gate.

[0004] However, the above method still has the following defects: using dual motors to drive two screws makes it difficult to ensure the synchronization of the two motors, which can easily lead to uneven force on both sides of the top of the lifting gate. Due to the large mass of the lifting gate, it is difficult to ensure the self-locking ability of the screws, which has certain safety hazards. The motor, lifting rod and connecting rod are all exposed to the outside, have poor rain protection ability, and are easily contaminated with dust and water vapor, which will reduce their service life. Utility Model Content

[0005] The utility model aims to provide a lifting hydraulic valve to solve the problem proposed in the above background technology that dual motors are used to drive two screws, which makes it difficult to ensure the synchronization of the two motors and easily leads to uneven force on both sides of the top of the lifting gate.

[0006] The utility model provides the following technical solutions: a lifting type water conservancy valve, comprising a frame and a valve plate, the frame is slidably connected with the valve plate, a chassis is fixedly provided at the top of the frame, a main shaft is provided inside the chassis, the main shaft is driven by a driving mechanism to rotate inside the chassis, worms are provided on both sides of the main shaft, the worms are meshingly connected with worm wheels, the worm wheels are fixedly connected with a vertical shaft, the bottom end of the vertical shaft is fixedly connected with a lead screw, the lead screw is threadedly connected with a lifting assembly, the bottom end of the lifting assembly is connected to the valve plate, a box cover is provided on one side of the chassis frame, two inspection ports are provided on the surface of the box cover, and an inspection cover is hinged on the surface of the inspection port.

[0007] As a preferred technical solution of the utility model, grooves are provided on the inner walls on both sides of the frame, and convex strips are fixedly provided on both sides of the valve plate, and the convex strips are slidably connected to the grooves.

[0008] As a preferred technical solution of the utility model, the driving mechanism includes a motor, the output shaft of the motor is connected to a transmission gear, the transmission gear is meshingly connected to a driven gear, and the driven gear is fixedly connected to the middle part of the main shaft.

[0009] As a preferred technical solution of the utility model, the transmission gear is rotatably connected to a bracket, the bottom end of the bracket is fixedly connected to a partition, the partition is fixedly connected to the interior of the chassis, the bottom end of the motor is fixedly installed on one side of the top of the partition, and the vertical shaft is interlaced with the partition.

[0010] As a preferred technical solution of the utility model, the lifting assembly includes a slide and a threaded sleeve, a guide block is fixedly provided on one side of the slide, a threaded sleeve is fixedly provided in the middle of the slide, the threaded sleeve is threadedly connected to the screw rod, and both sides of the bottom end of the slide are fixedly connected to the top end of the valve plate through a suspension rod.

[0011] As a preferred technical solution of the utility model, a guide rail is fixedly provided inside the chassis, the guide block is slidably connected to the guide rail, a rod groove is opened at the top of the frame, and the suspension rod is slidably connected to the rod groove.

[0012] As a preferred technical solution of the utility model, a mounting frame is fixedly provided on one side of the chassis, the box cover is fixedly connected to one side of the mounting frame by screws, and the inner wall of the box cover and the inner wall of the inspection cover are both provided with rubber strips.

[0013] As a preferred technical solution of the utility model, the top end of the vertical shaft is rotatably connected to the inside of the chassis, and the bottom end of the screw rod is rotatably connected to the top end of the frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The lifting type water conservancy valve can drive the main shaft through the driving mechanism. When the main shaft rotates, the two worms can drive the two worm wheels to rotate at the same time, and the torque can be increased. The worm wheels and the vertical shaft can drive the two screw rods to rotate at the same time, ensuring the synchronization of the two screw rods. The screw rod can evenly support the two sides of the top of the valve plate through the lifting assembly, avoiding the phenomenon of uneven force on both sides of the top of the valve plate. After the valve plate is adjusted, the angular friction between the worm and the worm wheel can realize the self-locking of the main shaft, avoiding the rotation of the screw rod and reducing safety hazards;

[0016] 2. The lifting water valve can provide protection for the driving mechanism, screw rod and lifting components through the box cover and the chassis, improve the rainproof ability, and prevent the entry of dust and water vapor. By opening the inspection cover, the inside of the chassis can be repaired and maintained. After adding lubricant, the pollution and loss of lubricant can be reduced, the lubrication ability of the screw rod can be guaranteed, the screw rod is not easy to rust, and the service life is increased. By opening the box cover, installation and disassembly activities inside the chassis can be carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the box cover of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the chassis of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the driving mechanism of the utility model.

[0023] In the figure: 1. frame; 2. valve plate; 3. groove; 4. convex strip; 5. rod groove; 6. chassis; 7. main shaft; 8. driving mechanism; 801. motor; 802. transmission gear; 803. bracket; 804. driven gear; 805. partition; 9. worm; 10. worm wheel; 11. vertical shaft; 12. screw; 13. lifting assembly; 1301. slide; 1302. guide block; 1303. threaded sleeve; 1304. suspension rod; 14. guide rail; 15. installation frame; 16. box cover; 17. inspection port; 18. inspection cover; 19. rubber strip. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6 In the embodiment of the utility model, the lifting water valve comprises a frame 1 and a valve plate 2. The frame 1 is slidably connected with the valve plate 2. A chassis 6 is fixedly provided at the top of the frame 1. A main shaft 7 is provided inside the chassis 6. The main shaft 7 is driven by a driving mechanism 8 to rotate inside the chassis 6. Worms 9 are provided on both sides of the main shaft 7. The worms 9 are meshingly connected with worm wheels 10. When the main shaft 7 rotates, two worm wheels 10 can be driven to rotate simultaneously through two worms 9, and the torque can be increased. The worm wheel 10 is fixedly connected with a vertical shaft 11. The bottom end of the vertical shaft 11 is fixedly connected with a screw rod 12. The worm wheel 10 and the vertical shaft 11 can drive the two screw rods 1 2 rotates simultaneously, ensuring the synchronization of the two screw rods 12. The screw rod 12 is threadedly connected with a lifting assembly 13. The bottom end of the lifting assembly 13 is connected to the valve plate 2. The screw rod 12 can evenly support both sides of the top of the valve plate 2 through the lifting assembly 13, and can drive the valve plate 2 to rise and fall. A box cover 16 is provided on one side of the chassis 6. The box cover 16 cooperates with the chassis 6 to provide protection for the driving mechanism 8, the screw rod 12 and the lifting assembly 13. Two inspection ports 17 are provided on the surface of the box cover 16. The surface of the inspection port 17 is hinged with an inspection cover 18. By opening the inspection cover 18, the interior of the chassis 6 can be maintained and repaired through the inspection port 17;

[0026] In this embodiment, preferably, grooves 3 are provided on the inner walls on both sides of the frame 1, and convex strips 4 are fixedly provided on both sides of the valve plate 2. The convex strips 4 are slidably connected with the grooves 3. The convex strips 4 and the grooves 3 can guide the valve plate 2, thereby improving the stability of the valve plate 2.

[0027] In this embodiment, preferably, the driving mechanism 8 includes a motor 801, the output shaft of the motor 801 is connected to a transmission gear 802, the transmission gear 802 is meshedly connected to a driven gear 804, the driven gear 804 is fixedly connected to the middle of the main shaft 7, the transmission gear 802 is driven by the motor 801, and the transmission gear 802 can drive the main shaft 7 to rotate through the driven gear 804;

[0028] In this embodiment, preferably, the transmission gear 802 is rotatably connected to a bracket 803, and the transmission gear 802 can be supported by the bracket 803 to maintain the stability of the transmission gear 802. The bottom end of the bracket 803 is fixedly connected to a partition 805, and the partition 805 is fixedly connected to the inside of the chassis 6. The bottom end of the motor 801 is fixedly installed on one side of the top of the partition 805. The partition 805 can provide stable support for the motor 801 and the bracket 803, and the vertical shaft 11 is interlaced with the partition 805.

[0029] In this embodiment, preferably, the lifting assembly 13 includes a slide 1301 and a threaded sleeve 1303, a guide block 1302 is fixedly provided on one side of the slide 1301, a threaded sleeve 1303 is fixedly provided in the middle of the slide 1301, the screw rod 12 can convert the rotational motion into the linear motion of the slide 1301 through the threaded sleeve 1303, the threaded sleeve 1303 is threadedly connected to the screw rod 12, both sides of the bottom end of the slide 1301 are fixedly connected to the top end of the valve plate 2 through the suspension rod 1304, and the slide 1301 can support the valve plate 2 through the suspension rod 1304;

[0030] In this embodiment, preferably, a guide rail 14 is fixedly provided inside the chassis 6, and the guide block 1302 is slidably connected to the guide rail 14. The guide rail 14 and the guide block 1302 can guide the slide 1301. A rod groove 5 is provided at the top of the frame 1, and the suspension rod 1304 is slidably connected to the rod groove 5. The rod groove 5 can guide the suspension rod 1304, thereby improving the stability of the slide 1301 and the suspension rod 1304.

[0031] In this embodiment, preferably, a mounting frame 15 is fixedly provided on one side of the chassis 6, and a box cover 16 is fixedly connected to one side of the mounting frame 15 by screws. The chassis 6 can support the box cover 16 through the mounting frame 15, and the inner wall of the box cover 16 and the inner wall of the inspection cover 18 are provided with rubber strips 19, and the rubber strips 19 can improve the waterproof ability of the box cover 16 and the inspection cover 18, so that water is not easy to enter the interior of the chassis 6;

[0032] In this embodiment, preferably, the top end of the vertical shaft 11 is rotatably connected to the inside of the chassis 6, and the bottom end of the screw rod 12 is rotatably connected to the top end of the frame 1, and the chassis 6 and the frame 1 can support the vertical shaft 11 and the screw rod 12 respectively.

[0033] When in use, the staff drives the transmission gear 802 through the motor 801 of the driving mechanism 8, and the transmission gear 802 drives the main shaft 7 to rotate through the driven gear 804. When the main shaft 7 rotates, the two worm gears 10 can be driven to rotate simultaneously through the two worm gears 9, and the torque can be increased. The worm gear 10 and the vertical shaft 11 can drive the two screw rods 12 to rotate simultaneously, ensuring the synchronization of the two screw rods 12. The screw rod 12 converts the rotational motion into the linear motion of the slide 1301 through the threaded sleeve 1303 of the lifting component 13. The two slides 1301 can evenly support the two sides of the top of the valve plate 2 through the suspension rod 1304, avoiding the phenomenon of uneven force on the two sides of the top of the valve plate 2, so that the height of the valve plate 2 can be adjusted and the water level of the hydraulic system can be regulated;

[0034] When the valve plate 2 is raised or lowered, the frame 1 can guide the valve plate 2 through the groove 3 and the convex strip 4 to prevent the valve plate 2 from tilting. After the height of the valve plate 2 is adjusted, the angular friction between the worm 9 and the worm wheel 10 can realize the self-locking of the main shaft 7, avoiding the rotation of the screw 12, and maintaining the height stability of the valve plate 2.

[0035] When it rains, the box cover 16 cooperates with the chassis 6 to provide protection for the drive mechanism 8, the screw rod 12 and the lifting assembly 13, thereby improving the rainproof ability. The rubber strip 19 can prevent the box cover 16 and the inspection cover 18 from leaking water, and at the same time prevent the entry of dust and water vapor, thereby ensuring the cleanliness of the drive mechanism 8, the screw rod 12 and the lifting assembly 13. The staff can open the inspection cover 18 and repair and maintain the inside of the chassis 6 through the inspection port 17. After adding lubricant, the pollution and loss of the lubricant can be reduced, and the lubrication ability of the screw rod 12 can be guaranteed. The staff can open the box cover 16 to carry out installation and disassembly activities inside the chassis 6.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting hydraulic valve, comprising a frame (1) and a valve plate (2), characterized in that: The frame (1) is slidably connected to the valve plate (2); a case (6) is fixedly provided at the top of the frame (1); a main shaft (7) is provided inside the case (6); the main shaft (7) is driven by a driving mechanism (8) to rotate inside the case (6); worms (9) are provided on both sides of the main shaft (7); the worms (9) are meshingly connected to a worm wheel (10); the worm wheel (10) is fixedly connected to a vertical shaft (11); a screw rod (12) is fixedly connected to the bottom end of the vertical shaft (11); the screw rod (12) is threadedly connected to a lifting assembly (13); the bottom end of the lifting assembly (13) is connected to the valve plate (2); a case cover (16) is provided on one side of the case (6); two inspection openings (17) are provided on the surface of the case cover (16); and an inspection cover (18) is hingedly connected to the surface of the inspection opening (17).

2. The lifting type hydraulic valve according to claim 1, characterized in that: The inner walls on both sides of the frame (1) are provided with grooves (3), and convex strips (4) are fixedly provided on both sides of the valve plate (2), and the convex strips (4) are slidably connected to the grooves (3).

3. The lifting type hydraulic valve according to claim 1, characterized in that: The driving mechanism (8) comprises a motor (801), the output shaft of the motor (801) is connected to a transmission gear (802), the transmission gear (802) is meshingly connected to a driven gear (804), and the driven gear (804) is fixedly connected to the middle part of the main shaft (7).

4. The lifting type hydraulic valve according to claim 3, characterized in that: The transmission gear (802) is rotatably connected to a bracket (803), the bottom end of the bracket (803) is fixedly connected to a partition (805), the partition (805) is fixedly connected to the inside of the chassis (6), the bottom end of the motor (801) is fixedly installed on one side of the top end of the partition (805), and the vertical shaft (11) is interlacedly connected to the partition (805).

5. The lifting type hydraulic valve according to claim 1, characterized in that: The lifting assembly (13) comprises a slide (1301) and a threaded sleeve (1303); a guide block (1302) is fixedly provided on one side of the slide (1301); a threaded sleeve (1303) is fixedly provided in the middle of the slide (1301); the threaded sleeve (1303) is threadedly connected to the screw rod (12); and both sides of the bottom end of the slide (1301) are fixedly connected to the top end of the valve plate (2) via a suspension rod (1304).

6. The lifting type hydraulic valve according to claim 5, characterized in that: A guide rail (14) is fixedly provided inside the chassis (6), the guide block (1302) is slidably connected to the guide rail (14), a rod groove (5) is provided at the top end of the frame (1), and the suspension rod (1304) is slidably connected to the rod groove (5).

7. The lifting type hydraulic valve according to claim 1, characterized in that: A mounting frame (15) is fixedly provided on one side of the chassis (6); the box cover (16) is fixedly connected to one side of the mounting frame (15) by means of screws; and rubber strips (19) are provided on the inner wall of the box cover (16) and the inner wall of the inspection cover (18).

8. The lifting type hydraulic valve according to claim 1, characterized in that: The top end of the vertical shaft (11) is rotatably connected to the inside of the chassis (6), and the bottom end of the screw rod (12) is rotatably connected to the top end of the frame (1).

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