CN220644128U - Double-screw driving lifting device of gate - Google Patents
Double-screw driving lifting device of gate Download PDFInfo
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- CN220644128U CN220644128U CN202321433709.1U CN202321433709U CN220644128U CN 220644128 U CN220644128 U CN 220644128U CN 202321433709 U CN202321433709 U CN 202321433709U CN 220644128 U CN220644128 U CN 220644128U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000003028 elevating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a double-screw driving lifting device of a gate, and belongs to the technical field of water conservancy gates. The device comprises a transmission gear box and a driving motor, wherein an output shaft of the driving motor is in power connection with a driving gear in the transmission gear box, and two driven gears meshed with the driving gear are also arranged in the transmission gear box; the two driven gears are in constant-speed reverse rotation and are symmetrically arranged on the driving gear, and the two driven gears are correspondingly meshed with a screw rod for driving the flashboard to move up and down; the number of teeth of the driving gear is smaller than that of the driven gear. The utility model has compact integral equipment, simplicity, practicability, simple structure and high transmission efficiency. The device is convenient to install, use and maintain, small in occupied space, high in transmission synchronism and stable in operation.
Description
Technical Field
The utility model relates to a double-screw driving lifting device of a gate, and belongs to the technical field of water conservancy gates.
Background
The plate gate is one of the most common gates in hydraulic engineering, especially agricultural hydraulic engineering. A plate gate is arranged in the ditch to control the on-off of the ditch. The plate gate mainly comprises a gate frame and a gate plate, the gate plate can move up and down under the drive of a drive system in the gate frame, when the gate plate ascends, the water channel is in a circulating state, the gate plate descends to the lowest point, and the water channel is cut off.
Screw-driven plate gate gates in the current market are not rare, but are basically controlled by screw type headstock gears. If a single screw is provided, there are problems of insufficient power and unstable shutter. If the gate equipment is set to be a double-lifting-point gate equipment, two screw type opening and closing machines are required to be arranged, but the cost is high, the power is wasted, and the complete synchronization can be realized under any condition.
Disclosure of Invention
The utility model aims to provide a double-screw drive lifting device of a gate, which solves the problems and enables the gate plate to run more stably and synchronously.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the double-screw driving lifting device of the gate comprises a transmission gear box and a driving motor, wherein an output shaft of the driving motor is in power connection with a driving gear in the transmission gear box, and two driven gears meshed with the driving gear are further arranged in the transmission gear box; the two driven gears are in constant-speed reverse rotation and are symmetrically arranged on the driving gear, and the two driven gears are correspondingly meshed with a screw rod for driving the flashboard to move up and down; the number of teeth of the driving gear is smaller than that of the driven gear.
The technical scheme of the utility model is further improved as follows: the center of the driven gear is provided with internal teeth meshed with the screw rod, and the outer peripheral surface of the driven gear is provided with external teeth meshed with the driving gear.
The technical scheme of the utility model is further improved as follows: two thrust ball bearings are arranged in the transmission gear box; the thrust ball bearing is provided with a shaft collar and a seat ring; the seat ring is matched and fixed with the inside of the transmission gear box, and the two driven gears are arranged on the upper end face of the shaft ring of the thrust ball bearing.
The technical scheme of the utility model is further improved as follows: the transmission gear box is of a flat structure.
The technical scheme of the utility model is further improved as follows: the ratio of the number of teeth of the driving gear to the number of teeth of the driven gear is 1:3-1:10.
by adopting the technical scheme, the utility model has the following technical effects:
the utility model adopts the integrated gearbox, and drives the two driven gears to rotate simultaneously through the driving gear, so that the integrated gearbox structure greatly simplifies and compacts the transmission structure and improves the efficiency.
The flat gearbox transmission structure is arranged, so that the height space is saved, the gravity center of a transmission system is reduced, and the stability is enhanced.
The utility model drives the output double screw to drive by the same gear, and has high synchronism. The transmission system is simple and compact, and the efficiency is improved; the flat shape saves space; high synchronism, stable transmission and no stress concentration.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
wherein, 1, drive gear case, 2, driving motor, 3, driving gear, 4, screw rod, 5, driven gear.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
The utility model relates to a double-screw driving lifting device of a gate, which is used for driving a gate plate of a water channel to lift and lower in hydraulic engineering.
As shown in fig. 1, the device comprises a transmission gearbox 1 and a drive motor 2. The driving motor 2 provides driving power and transmits the power input value to the gear box 1. A gear transmission mechanism is provided in the transmission gear box 1.
Specifically, the gear transmission mechanism in the transmission gear box 1 comprises a driving gear 3 and a driven gear 5, wherein the number of the driving gears 3 is 1, and the driving gears are arranged on an output shaft of the driving motor 2 to realize power connection. The driven gears 5 are arranged in two, the driven gears 5 are meshed with the driving gear 3, and the two driven gears 5 are symmetrically arranged on the driving gear 3.
The two driven gears 5 are meshed with the driving gear 3 at the same time, and the two driven gears 5 rotate in a constant-speed and opposite-rotation mode. The two driven gears 5 are also respectively engaged with the respective corresponding screws 4, thereby driving the screws 4. The lower end of the screw 4 is connected with the flashboard and can drive the flashboard to move up and down.
As shown in fig. 1, specifically, the outer circumferential surface of the driven gear 5 is provided with external teeth to mesh with the driving gear 3, the center position of the driven gear 5 is provided with a circular hole and internal teeth are provided on the inner wall of the circular hole so that the internal teeth mesh with the screw 4.
In a specific implementation, the number of teeth of the driving gear 3 is generally smaller than the number of teeth of the driven gear 5, and the transmission from the driving gear 3 to the driven gear 5 has the effect of reducing the speed. Further, the ratio of the number of teeth of the driving gear 3 to the number of teeth of the driven gear 5 is 1:3-1:10.
when the novel driving gear is in novel work, the driving motor 2 directly drives the driving gear 3 in the transmission gear box 1, the driving gear 3 is meshed with two identical driven gears 5, and the two driven gears 5 are driven to rotate at constant speed and in opposite directions.
The centers of the two driven gears 5 are pre-processed with T-shaped transmission threads with opposite rotation directions, but other parameters are identical, and two matched screws with opposite rotation directions are simultaneously processed to be matched with the driven gears for transmission.
In a specific implementation of the utility model, the components within the transmission gearbox 1 are arranged as follows. First, two thrust ball bearings are provided in the transmission gear box 1 for rotatably supporting the two driven gears 5. The thrust ball bearing is provided with a shaft collar and a seat ring, the seat ring is matched and fixed with the inner side wall of the transmission gear box 1, and the seat ring is positioned at the lower side. The shaft collar is positioned on the upper side, and two driven gears 5 are arranged on the upper end face of the shaft collar of the thrust ball bearing.
In the practice of the utility model, the transmission gearbox 1 is preferably of flat construction. The transmission gear box 1 is fixedly installed at the upper part of a gate frame of the plate gate. The driving motor 2 is arranged on the upper end face of the transmission gear box 1. The screw 4 passes through the gate frame downwards and then is connected with the gate plate. The screw 4 and the shutter are connected in a rotatable manner, for example, a sleeve may be fixed to the upper end surface of the shutter, the lower end of the screw 4 may be inserted into the sleeve and then closed with an end cap, and the screw 4 may be rotatable relative to the sleeve, but the screw 4 may not move in the axial direction relative to the sleeve. Other structures of the screw 4 and the flashboard can also realize rotary connection.
The novel reverse rotation of driven gear is realized through the driving gear when driving motor during operation, and through the transmission screw thread of relative reverse spiral again, the synchronous lifting action of two screw rods has finally been realized, has finally realized that the twin screw drives the gate and steadily rises, descend the practical function of manger plate.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A double screw drive elevating gear of gate, its characterized in that: the device comprises a transmission gear box (1) and a driving motor (2), wherein an output shaft of the driving motor (2) is in power connection with a driving gear (3) in the transmission gear box (1), and two driven gears (5) meshed with the driving gear (3) are further arranged in the transmission gear box (1); the two driven gears (5) rotate at equal speed in opposite directions and are symmetrically arranged on the driving gear (3), and the two driven gears (5) are correspondingly meshed with the screw rod (4) for driving the flashboard to move up and down; the number of teeth of the driving gear (3) is smaller than the number of teeth of the driven gear (5).
2. The double-screw driving lifting device of a gate according to claim 1, wherein: the center of the driven gear (5) is provided with internal teeth meshed with the screw (4), and the outer circumferential surface of the driven gear (5) is provided with external teeth meshed with the driving gear (3).
3. The double-screw driving lifting device of a gate according to claim 1, wherein: two thrust ball bearings are arranged in the transmission gear box (1); the thrust ball bearing is provided with a shaft collar and a seat ring; the seat ring is matched and fixed with the inside of the transmission gear box, and the two driven gears are arranged on the upper end face of the shaft ring of the thrust ball bearing.
4. A twin-screw driven lifting device for a sluice according to any of claims 1 to 3, characterised in that: the transmission gear box (1) is of a flat structure.
5. A twin-screw driven lifting device for a sluice according to any of claims 1 to 3, characterised in that: the ratio of the number of teeth of the driving gear (3) to the number of teeth of the driven gear (5) is 1:3-1:10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433709.1U CN220644128U (en) | 2023-06-07 | 2023-06-07 | Double-screw driving lifting device of gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321433709.1U CN220644128U (en) | 2023-06-07 | 2023-06-07 | Double-screw driving lifting device of gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220644128U true CN220644128U (en) | 2024-03-22 |
Family
ID=90286446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321433709.1U Active CN220644128U (en) | 2023-06-07 | 2023-06-07 | Double-screw driving lifting device of gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220644128U (en) |
-
2023
- 2023-06-07 CN CN202321433709.1U patent/CN220644128U/en active Active
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