Water conservancy and hydropower gate lifting device
By designing a combination of gate extension plate, baffle, spring and gear rack in the water conservancy and hydropower gate lifting device, the problem of sludge entering the groove affecting gate operation and screw rod wear is solved, achieving a longer service life and more efficient High operational reliability.
Patent Information
- Application Number
- CN202421233786.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-01
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-01
AI Technical Summary
The bottom sludge is discharged with water and causes the sludge to enter the groove, affecting the lifting and falling of the gate, and the gate gravity wears the screw, shortening its service life.
A water conservancy and hydropower gate lifting device is designed. Through the cooperation of the gate extension plate and the baffle, the action of the spring and the gear rack is used to reduce the wear of the gate weight on the screw rod, and through the cooperation of the counterweight block and the gear rack, Provide support and extend service life.
It effectively prevents silt from entering the slot, reduces the wear of the screw rod due to the weight of the gate, and increases the service life of the gate lifting device.
Smart Images
Figure CN222375327U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water conservancy and hydropower, in particular to a water conservancy and hydropower gate lifting device. Background Art
[0002] Water conservancy and hydropower refers to a comprehensive use of water resources for water conservancy project construction and power generation. The kinetic energy of water flow is converted into mechanical energy, and then the mechanical energy is converted into electrical energy through generators.
[0003] In order to store and release water, it is usually necessary to build gates on the dam body. In order to ensure the airtightness of the gates, grooves are usually set in the dam body. By inserting the gates into the grooves, the sealing can be better achieved. At the same time, the water pressure can be evenly distributed to the dam body, which is beneficial to the overall stability.
[0004] When releasing water, the sludge at the bottom will be discharged with the water due to the sedimentation of sludge, causing the sludge to enter the groove, thus affecting the lifting and lowering of the gate. The existing gate lifting method usually uses a screw drive, which stops after lifting to a certain height. Due to the gate's own gravity, the screw will be worn, reducing its service life. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] The technical problem to be solved by the utility model is that the bottom sludge will be discharged along with the water, thereby causing the sludge to enter the groove, thereby affecting the lifting and lowering of the gate, and the gate's own gravity will wear the screw rod, thereby reducing its service life.
[0007] (II) Technical solution
[0008] In order to solve the above technical problems, the technical solution provided by the utility model is: a water conservancy and hydropower gate lifting device, including a dam body, a gate is provided on the dam body, a slot is provided on the dam body in the gate, a bracket is provided on the dam body, the slot extends to the bracket, a gate is movably inserted in the slot on the dam body, a lifting mechanism for driving the gate to move is provided on the bracket, one end of the gate is fixedly connected with an extension plate arranged correspondingly on both sides, a baffle plate cooperating with the extension plate is movably inserted in the slot, springs arranged correspondingly on both sides are fixedly connected between the baffle plate and the slot, a cavity is provided in the dam body, a gear is rotatably connected in the cavity, a first rack meshing with the gear is provided on the extension plate and the gate, a second rack meshing with the gear is movably inserted on the dam body, and a counterweight is fixedly connected to one end of the second rack.
[0009] As an improvement, the lifting mechanism includes screw rods arranged correspondingly on both sides of the gate, the screw rods are rotatably connected to the gate, the screw rods pass through the bracket, and a screw rod lifter is fixedly connected to the bracket to drive the two screw rods to rotate.
[0010] As an improvement, the baffle is fixedly connected with limiting columns arranged correspondingly on both sides, the dam body is provided with limiting grooves matching with the limiting columns, and the spring is sleeved on the limiting columns.
[0011] As an improvement, the dam body is provided with a shell connected to the limit groove, a slide is slidably connected in the shell, one end of the spring is fixedly connected to the slide, the slide is provided with a through hole cooperating with the limit column, and the shell is rotatably connected with a screw for driving the slide to move.
[0012] As an improvement, the counterweight block is threadedly connected to the second rack.
[0013] (III) Beneficial effects
[0014] The advantages of the utility model compared with the prior art are:
[0015] The two extension plates at one end of the gate are used to block the two sides of the slot, and the spring is used to make the baffle block block the bottom surface of the slot. The first rack, the second rack, the gear and the counterweight block can reduce the wear of the screw rod due to the weight of the gate and increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a three-dimensional diagram of a water conservancy and hydropower gate lifting device.
[0017] Figure 2 The utility model discloses an exploded diagram of a water conservancy and hydropower gate lifting device.
[0018] Figure 3 The utility model is a cross-sectional view of a hydraulic and hydroelectric gate lifting device.
[0019] Figure 4 It is an enlarged view of position A of a hydraulic and hydroelectric gate lifting device of the utility model.
[0020] As shown in the figure: 1. Dam body; 2. Gate; 3. Slot; 4. Bracket; 5. Gate; 6. Extension plate; 7. Baffle; 8. Spring; 9. Cavity; 10. Gear; 11. First rack; 12. Second rack; 13. Counterweight; 14. Screw; 15. Screw lift; 16. Limit column; 17. Slide plate; 18. Shell; 19. Screw. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] like Figure 1 to Figure 2 As shown, a water conservancy and hydropower gate lifting device includes a dam body 1, a gate 2 is provided on the dam body 1, a slot 3 is provided on the dam body 1 in the gate 2, a bracket 4 is provided on the dam body 1, the slot 3 extends to the bracket 4, a gate 5 is movably inserted in the slot 3 on the dam body 1, and the gate lifting device 5 is provided with a screw rod 14 arranged correspondingly on both sides, the screw rod 14 is rotatably connected to the gate 5, the screw rod 14 passes through the bracket 4, and a screw rod lifter 15 for driving the two screw rods 14 to rotate is fixedly connected to the bracket 4, the screw rod 14 is driven to move up and down by the screw rod lifter 15, and the screw rod 14 controls the movement of the gate 5.
[0023] like Figure 2 , Figure 3 As shown, one end of the gate 5 is fixedly connected with an extension plate 6 arranged correspondingly on both sides, a baffle 7 cooperating with the extension plate 6 is movably inserted in the slot 3, a spring 8 arranged correspondingly on both sides is fixedly connected between the baffle 7 and the slot 3, and a limiting column 16 arranged correspondingly on both sides is fixedly connected to the baffle 7. A limiting groove cooperating with the limiting column 16 is provided in the dam body 1, and the spring 8 is sleeved on the limiting column 16. The slot 3 is blocked by the action of the extension plate 6 and the baffle 7 to prevent silt from entering. The movement of the baffle 7 is controlled by the spring 8, and the baffle 7 is limited by the limiting column 16 and the limiting groove.
[0024] like Figures 2 to 4 As shown, the dam body 1 is provided with a shell 18 that communicates with the limiting groove, and a slide plate 17 is slidably connected in the shell 18. One end of the spring 8 is fixedly connected to the slide plate 17, and the slide plate 17 is provided with a through hole that cooperates with the limiting column 16. The shell 18 is rotatably connected with a screw 19 that drives the slide plate 17 to move. A cavity 9 is provided in the dam body 1, and a gear 10 is rotatably connected in the cavity 9. A first rack 11 that meshes with the gear 10 is provided on the extension plate 6 and the gate 5. A second rack 12 that meshes with the gear 10 is movably inserted on the dam body 1, and a counterweight 13 is fixedly connected to one end of the second rack 12, and the counterweight 13 is threadedly connected to the second rack 12. The movement of the slide plate 17 is controlled by the screw 19, so that the elastic force of the spring 8 can be controlled. The wear of the screw 14 can be reduced through the action of the first rack 11, the gear 10, the second rack 12, and the counterweight 13.
[0025] In specific use, when it is necessary to open the gate, the two screw rods 19 are rotated, and the rotation of the screw rods 19 drives the slide plate 17 to move upward, thereby compressing the spring 8. When it rotates to a suitable position, it stops, and then the screw rod lifter 15 is started, and the screw rod lifter 15 drives the two screw rods 14 to rotate, and the screw rod 14 drives the gate 5 to move upward. At this time, the baffle 7 moves upward under the elastic force of the spring 8, and then covers the slot 3. The extension plate 6 at one end of the gate 5 covers both sides of the slot 3, and the first rack 11 on one side of the extension plate 6 moves upward, thereby driving the gear 10 to rotate, and the rotation of the gear 10 drives the second rack 12 to rotate, and the counterweight block 13 moves with It moves downward, thereby providing support for the gate 5 and extending its service life. After the water is released, start the screw lift 15, the screw 14 drives the gate 5 to move downward, the gate 5 pushes the baffle 7 to move downward, the spring 8 is compressed and deformed, the first rack 11 drives the gear 10 to rotate, and the gear 10 drives the second rack 12 to move upward, thereby preventing the gate 5 from descending too fast and causing damage to the screw 14. When the gate 5 is closed, if the spring 8 is in a compressed state for a long time, it is easy to be damaged. Turn the screw 19, and the screw 19 drives the slide plate 17 to move, so that the spring 8 is in a relaxed state, and then the counterweight 13 is removed.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0027] Although the 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.
[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A hydraulic and hydroelectric gate lifting device, comprising a dam body (1), a gate (2) being provided on the dam body (1), a slot (3) being provided on the dam body (1) and located inside the gate (2), characterized in that: The dam body (1) is provided with a bracket (4), the slot (3) extends to the bracket (4), a gate (5) is movably inserted in the slot (3) on the dam body (1), and the bracket (4) is provided with a lifting mechanism for driving the gate (5) to move; One end of the gate (5) is fixedly connected to an extension plate (6) arranged correspondingly on both sides, a baffle (7) cooperating with the extension plate (6) is movably inserted in the slot (3), and springs (8) arranged correspondingly on both sides are fixedly connected between the baffle (7) and the slot (3); The dam body (1) is provided with a cavity (9), a gear (10) is rotatably connected in the cavity (9), a first rack (11) meshing with the gear (10) is provided on the extension plate (6) and the gate (5), a second rack (12) meshing with the gear (10) is movably inserted on the dam body (1), and a counterweight (13) is fixedly connected to one end of the second rack (12).
2. A hydraulic and hydroelectric gate lifting device according to claim 1, characterized in that: The lifting mechanism comprises screw rods (14) arranged correspondingly on both sides of the gate (5), the screw rods (14) being rotatably connected to the gate (5), the screw rods (14) passing through the bracket (4), and a screw rod lifter (15) for driving the two screw rods (14) to rotate is fixedly connected to the bracket (4).
3. A hydraulic and hydroelectric gate lifting device according to claim 1, characterized in that: The baffle (7) is fixedly connected to limit posts (16) arranged correspondingly on both sides, the dam body (1) is provided with limit grooves matching the limit posts (16), and the spring (8) is sleeved on the limit posts (16).
4. A hydraulic and hydroelectric gate lifting device according to claim 3, characterized in that: The dam body (1) is provided with a shell (18) which is in communication with the limiting groove, a slide plate (17) is slidably connected inside the shell (18), one end of the spring (8) is fixedly connected to the slide plate (17), the slide plate (17) is provided with a through hole which cooperates with the limiting column (16), and a screw rod (19) which drives the slide plate (17) to move is rotatably connected to the shell (18).
5. A hydraulic and hydroelectric gate lifting device according to claim 1, characterized in that: The counterweight block (13) is threadedly connected to the second rack (12).