Hydropower station gate opening and closing device
By installing the limiting mechanism and auxiliary rotor on the connecting shaft of the gate opening and closing device of the hydropower station, the erroneous operation problem caused by the lack of limiting mechanism of the auxiliary rotor of the screw-type opening and closing machine is solved, and higher safety and normal operation stability are achieved.
Patent Information
- Application Number
- CN202421820565.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The auxiliary rotor of the screw-type opening and closing machine lacks a limiting mechanism, which makes it easy to operate incorrectly when no operation is required, resulting in unnecessary displacement of the gate and affecting the normal operation of the hydropower station.
A hydropower station gate opening and closing device is designed. By installing a limitable installation sleeve and connecting slider on the outer wall of the connecting shaft, combined with the design of auxiliary rotor and auxiliary handle, the limit rotation of the connecting shaft is realized, reducing the risk of misoperation.
It effectively reduces the risk of misoperation of the auxiliary rotor when no operation is required, avoids unnecessary displacement of the gate without movement, and improves the normal operation safety of the hydropower station.
Smart Images
Figure CN222796338U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screw gate opening and closing machines, in particular to a gate opening and closing device for a hydropower station. Background Art
[0002] When the gate of a hydropower station is raised or lowered, a gate hoist is used, and a screw gate hoist is one of them. When the screw gate hoist is in use, the screw on it is raised or lowered through the auxiliary wheel, thereby achieving the lifting and lowering of the gate. However, there is no limiting mechanism on the auxiliary wheel. When the gate does not need to be raised or lowered, since the auxiliary wheel is exposed to the outside world, there is a risk of misoperation of the auxiliary wheel, resulting in displacement of the gate without need to be moved, thereby affecting the normal operation of the hydropower station.
[0003] Therefore, we propose a hydropower station gate opening and closing device. Utility Model Content
[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a hydropower station gate opening and closing device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hydropower station gate opening and closing device, comprising a gate opening and closing machine body, the interior of the gate opening and closing machine body is provided with a screw rod and a driving mechanism for adjusting the height of the gate, the driving mechanism comprises a threaded sleeve, a transmission worm gear and a transmission worm, the transmission worm is provided with a connecting shaft for rotating it, and the height adjusting screw can be moved up and down by rotating the connecting shaft. The outer wall of the connecting shaft is rotatably installed on the front side wall of the gate opening and closing machine body, the outer wall of the connecting shaft is movably installed with a mounting sleeve that can be limited, the inner wall of the mounting sleeve is fixedly installed with a connecting slider that can be limited, the outer wall of the connecting shaft is provided with a plurality of connecting slide grooves and mounting slide grooves, the rear side wall surfaces of the plurality of connecting slide grooves are mutually connected with the front side wall surfaces of the mounting slide grooves, the outer wall of the connecting slider is movably inserted into the interior of one group of connecting slide grooves, and the outer wall of the mounting sleeve is provided with an auxiliary mechanism for facilitating its rotation, and the auxiliary mechanism comprises an auxiliary rotating wheel and an auxiliary handle.
[0006] Preferably, an auxiliary identification plate for facilitating the operation of the device is fixedly installed on the outer wall of the connecting shaft, and a plurality of auxiliary identification plates are provided, the plurality of auxiliary identification plates are distributed in an equal circular arc state, the plurality of connecting slide grooves are distributed in an equal circular arc state, and the plurality of auxiliary identification plates and the plurality of connecting slide grooves correspond one to one.
[0007] Preferably, an auxiliary identification block for facilitating the operation of the device is fixedly mounted on the outer wall of the mounting sleeve, the auxiliary identification block corresponds to one set of auxiliary identification plates, and the outer wall of the connecting slider and the interior of the connecting slot are adapted to each other.
[0008] Preferably, a detachable transmission sprocket is fixedly mounted on the outer wall of the connecting shaft, the auxiliary rotating wheel is fixedly mounted on the outer wall of the mounting sleeve, and the auxiliary handle is arranged on the front side wall surface of the auxiliary rotating wheel.
[0009] Preferably, a fixed sleeve capable of limiting position is fixedly installed inside the auxiliary wheel, the rear outer wall of the fixed sleeve extends to the rear position of the auxiliary wheel, and the front wall surface of the fixed sleeve corresponds to the front wall surface of the auxiliary wheel.
[0010] Preferably, the outer wall of the auxiliary handle movably passes through the front wall of the fixed sleeve, and a fixed connecting column is fixedly installed on the rear wall of the auxiliary handle. The outer diameter of the fixed connecting column is larger than the outer diameter of the auxiliary handle, and the fixed connecting column is movably installed inside the fixed sleeve.
[0011] Beneficial Effects
[0012] The utility model provides a hydropower station gate opening and closing device, which has the following beneficial effects:
[0013] 1. A hydropower station gate opening and closing device. During use, the utility model can rotate the mounting sleeve through an auxiliary mechanism, and realize the rotation of the connecting shaft under the limiting action of the connecting slider and the connecting slide groove. When the operation is completed, the mounting sleeve can be pushed backward, and the connecting slider will move backward along the inside of the connecting slide groove until the connecting slider cannot move. At this time, the connecting slider is located inside the mounting slide groove. At this time, rotating the mounting sleeve cannot rotate the connecting shaft, which can reduce the risk of misoperation. In addition, a plurality of connecting slide grooves are provided, and the connecting slider can be inserted into the inside of any group of connecting slide grooves to operate the mounting sleeve to rotate the connecting shaft, which is convenient for use of the device.
[0014] 2. A hydropower station gate opening and closing device. During the use of the utility model, when it is necessary to rotate the connecting shaft, the installing sleeve can be rotated to align the auxiliary identification block with any group of auxiliary identification plates, and the connecting slider can be aligned with one of the groups of connecting slide grooves. At this time, the installing sleeve can be removed and pulled to make the connecting slider Karakin correspond to the inside of the connecting slide groove, which is convenient for the use of the device. In addition, the transmission sprockets on the two groups of opening and closing machine bodies can be connected to the transmission chain, so that the two groups of connecting shafts can be operated at the same time, which is convenient for the use of the device. In addition, when there is no need to operate the connecting shaft, the auxiliary handle can be pushed backward until the auxiliary handle moves to a position where it cannot move. This can avoid the risk of the auxiliary handle being located outside and causing touch injury, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional diagram of the utility model as a whole;
[0016] Figure 2It is a three-dimensional diagram of the main body of the hoist of the utility model;
[0017] Figure 3 for Figure 2 A enlarged view;
[0018] Figure 4 This is a three-dimensional diagram of the auxiliary rotating wheel of the utility model;
[0019] Figure 5 It is a sectional stereoscopic view of the fixing sleeve of the utility model.
[0020] Legend: 1. Gate hoist body; 2. Connecting shaft; 3. Installing sleeve; 4. Auxiliary wheel; 5. Connecting slider; 6. Connecting slide groove; 7. Installing slide groove; 8. Auxiliary identification block; 9. Auxiliary identification plate; 10. Driving sprocket; 11. Fixing sleeve; 12. Auxiliary handle; 13. Fixing connecting column. DETAILED DESCRIPTION
[0021] Embodiment 1: A hydropower station gate opening and closing device, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 The worm gear 2 is provided with a connecting rod 2 for facilitating the rotation of the worm gear 2, and the connecting rod 2 is provided with a connecting rod 3 for facilitating the rotation of the worm gear 2.
[0022] During use of the utility model, the installation sleeve 3 can be rotated by the auxiliary mechanism, and the rotation of the connecting shaft 2 can be realized under the limiting action of the connecting slider 5 and the connecting slide groove 6. When the operation is completed, the installation sleeve 3 can be pushed backward, and the connecting slider 5 will move backward along the inside of the connecting slide groove 6 until the connecting slider 5 cannot move. At this time, the connecting slider 5 is located inside the installation slide groove 7. At this time, rotating the installation sleeve 3 cannot rotate the connecting shaft 2, which can reduce the risk of misoperation. In addition, a plurality of connecting slide grooves 6 are provided, and the connecting slider 5 can be inserted into the inside of any group of connecting slide grooves 6, so that the installation sleeve 3 can be operated to rotate the connecting shaft 2.
[0023] Embodiment 2: Based on Embodiment 1, Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, an auxiliary identification plate 9 for facilitating the operation of the device is fixedly installed on the outer wall of the connecting shaft 2, and a plurality of auxiliary identification plates 9 are provided, and the plurality of auxiliary identification plates 9 are distributed in an equal circular arc state, and the plurality of connecting slots 6 are distributed in an equal circular arc state, and the plurality of auxiliary identification plates 9 and the plurality of connecting slots 6 correspond one to one.
[0024] An auxiliary identification block 8 for facilitating the operation of the device is fixedly mounted on the outer wall of the mounting sleeve 3 . The auxiliary identification block 8 corresponds to one set of auxiliary identification plates 9 . The outer wall of the connecting slide block 5 and the interior of the connecting slide groove 6 are adapted to each other.
[0025] A detachable transmission sprocket 10 is fixedly mounted on the outer wall of the connecting shaft 2 , the auxiliary rotating wheel 4 is fixedly mounted on the outer wall of the mounting sleeve 3 , and the auxiliary handle 12 is arranged on the front side wall surface of the auxiliary rotating wheel 4 .
[0026] A fixed sleeve 11 for limiting position is fixedly installed inside the auxiliary wheel 4. The rear outer wall of the fixed sleeve 11 extends to the rear position of the auxiliary wheel 4. The front wall of the fixed sleeve 11 and the front wall of the auxiliary wheel 4 correspond to each other.
[0027] The outer wall of the auxiliary handle 12 movably passes through the front wall of the fixed sleeve 11 , and a fixed connecting column 13 is fixedly installed on the rear wall of the auxiliary handle 12 . The outer diameter of the fixed connecting column 13 is larger than that of the auxiliary handle 12 , and the fixed connecting column 13 is movably installed inside the fixed sleeve 11 .
[0028] During use of the utility model, when it is necessary to rotate the connecting shaft 2, the installing sleeve 3 can be rotated to align the auxiliary identification block 8 with any group of auxiliary identification plates 9, and the connecting slider 5 can be aligned with one of the groups of connecting slide grooves 6. At this time, the installing sleeve 3 can be dismantled and pulled to make the connecting slider 5 correspond to the inside of the connecting slide groove 6, which is convenient for the use of the device. In addition, the transmission sprockets 10 on the two groups of hoist bodies 1 can be connected to the transmission chain, so that the two groups of connecting shafts 2 can be operated at the same time, which is convenient for the use of the device. In addition, when there is no need to operate the connecting shaft 2, the auxiliary handle 12 can be pushed backward until the auxiliary handle 12 moves to a position where it cannot move. This can avoid the risk of the auxiliary handle 12 being located outside and causing touch injury.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A hydropower station gate opening and closing device, comprising a gate opening and closing machine body (1), wherein the gate opening and closing machine body (1) is provided with a screw rod capable of adjusting the height of lifting and lowering and a driving mechanism, wherein the driving mechanism comprises a threaded sleeve, a transmission worm wheel and a transmission worm, and the transmission worm is provided with a connecting shaft (2) for rotating the transmission worm, characterized in that: The outer wall of the connecting shaft (2) is rotatably mounted on the front wall of the gate opening and closing machine body (1); a mounting sleeve (3) that can be limited is movably mounted on the outer wall of the connecting shaft (2); a connecting slider (5) that can be limited is fixedly mounted on the inner wall of the mounting sleeve (3); a plurality of connecting grooves (6) and mounting grooves (7) are provided on the outer wall of the connecting shaft (2); the rear wall surfaces of the plurality of connecting grooves (6) are mutually connected with the front wall surfaces of the mounting grooves (7); the outer wall of the connecting slider (5) is movably inserted into the interior of one group of the connecting grooves (6); and an auxiliary mechanism for facilitating its rotation is provided on the outer wall of the mounting sleeve (3); the auxiliary mechanism comprises an auxiliary rotating wheel (4) and an auxiliary handle (12).
2. The hydropower station gate opening and closing device according to claim 1 is characterized in that: An auxiliary identification plate (9) is fixedly mounted on the outer wall of the connecting shaft (2) for facilitating the operation of the device. A plurality of auxiliary identification plates (9) are provided, the plurality of auxiliary identification plates (9) are distributed in an equal arc state, the plurality of connecting slide grooves (6) are distributed in an equal arc state, and the plurality of auxiliary identification plates (9) and the plurality of connecting slide grooves (6) correspond to each other one by one.
3. The hydropower station gate opening and closing device according to claim 2 is characterized in that: An auxiliary identification block (8) for facilitating the operation of the device is fixedly mounted on the outer wall of the installation sleeve (3); the auxiliary identification block (8) and one set of auxiliary identification plates (9) correspond to each other; and the outer wall of the connecting slide block (5) and the interior of the connecting slide groove (6) are adapted to each other.
4. The hydropower station gate opening and closing device according to claim 1 is characterized in that: A detachable transmission sprocket (10) is fixedly mounted on the outer wall of the connecting shaft (2); the auxiliary rotating wheel (4) is fixedly mounted on the outer wall of the mounting sleeve (3); and the auxiliary handle (12) is arranged on the front side wall of the auxiliary rotating wheel (4).
5. The hydropower station gate opening and closing device according to claim 4 is characterized in that: A fixed sleeve (11) capable of limiting position is fixedly installed inside the auxiliary rotating wheel (4), the rear outer wall of the fixed sleeve (11) extends to the rear position of the auxiliary rotating wheel (4), and the front wall surface of the fixed sleeve (11) and the front wall surface of the auxiliary rotating wheel (4) correspond to each other.
6. The hydropower station gate opening and closing device according to claim 5 is characterized in that: The outer wall of the auxiliary handle (12) movably penetrates the front wall of the fixed sleeve (11), and a fixed connecting column (13) is fixedly installed on the rear wall of the auxiliary handle (12). The outer diameter of the fixed connecting column (13) is larger than the outer diameter of the auxiliary handle (12), and the fixed connecting column (13) is movably installed inside the fixed sleeve (11).