CN221218725U - Planetary driving full-closed hoist - Google Patents
Planetary driving full-closed hoist Download PDFInfo
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- CN221218725U CN221218725U CN202322977715.XU CN202322977715U CN221218725U CN 221218725 U CN221218725 U CN 221218725U CN 202322977715 U CN202322977715 U CN 202322977715U CN 221218725 U CN221218725 U CN 221218725U
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- planetary
- ring
- gear
- outer tube
- screw rod
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- 239000000428 dust Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The planetary driving totally-enclosed hoist relates to the technical field of hydraulic engineering, and comprises an outer pipe, wherein a piston and a piston rod are arranged in the outer pipe, the front end of the piston rod is connected with a front lifting ring locking flange, and the front lifting ring locking flange is connected with a front lifting ring; a screw rod is arranged in the piston rod, a main nut is connected with the screw rod in a threaded manner, and the main nut is connected with the piston; the rear end of the outer tube is connected with an outer tube rear flange, the outer tube rear flange is connected with a planetary inner gear ring, the rear end of the planetary inner gear ring is connected with a rear cover, a sun gear, a planetary gear and a planetary gear carrier are arranged in a cavity enclosed by the outer tube rear flange, the planetary inner gear ring and the rear cover, the sun gear is connected on a sun shaft, the sun shaft stretches out of the rear cover and is connected with an electric driving device, the planetary gear is arranged on the planetary gear carrier through a planetary gear shaft, the planetary gear is meshed with the sun gear, the planetary gear is meshed with the inner gear ring, and the planetary gear carrier is connected with the rear end of the screw rod through a torsion pin. The utility model has high transmission efficiency, high safety and long service life.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a structure of a hoist for driving a gate.
Background
The headstock gear is widely used in water conservancy and hydropower, building engineering trade, is commonly used in all kinds of water supply and drainage gate opening and closing in hydraulic engineering to control gate lift reaches the mesh of opening and closing, adopts hydraulic headstock gear generally, like the structure of publication No. CN105317766A, and the patent name is "integrated hydraulic headstock gear", has following defect: the opening and closing speed is low, oil is easy to leak, the working efficiency is low, the oil is easy to catch fire, and the fireproof requirement is high. Or a screw hoist is adopted, such as the publication number CN208650008U, the patent name is a screw hoist, and the following defects exist: the screw is in an open environment for a long time, is often in water or air, is easy to rust, and impurities are easy to attach on the surface of a screw tooth of the screw, so that the screw is invalid; in addition, the worm and gear transmission is adopted, the transmission friction loss is relatively large, the efficiency is low, and the worm and gear transmission is unsuitable for transmitting high power and continuously working for a long time.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a planetary drive totally-enclosed hoist with high transmission efficiency, high safety and long service life.
The purpose of the utility model is realized in the following way: the planetary driving fully-closed hoist comprises an outer pipe, wherein a piston and a piston rod are arranged in the outer pipe, the piston is connected to the rear end of the piston rod, the front end of the piston rod extends out of the outer pipe and is connected with a front lifting ring locking flange, and the front lifting ring locking flange is connected with a front lifting ring; a screw rod is arranged in the piston rod, the rear end of the screw rod is a polished rod, a main nut is connected with the screw rod in a threaded manner, and the main nut is connected with the piston; the rear end of the outer tube is connected with an outer tube rear flange, the outer tube rear flange is connected with a planetary inner gear ring, the rear end of the planetary inner gear ring is connected with a rear cover, a sun gear, a planetary gear and a planetary gear carrier are arranged in a cavity enclosed by the outer tube rear flange, the planetary inner gear ring and the rear cover, the sun gear is connected to a sun shaft, the sun shaft stretches out of the rear cover and is connected with an electric driving device, the planetary gear is arranged on the planetary gear carrier through a planetary gear shaft, the planetary gear is meshed with the sun gear, the planetary gear is meshed with the inner gear ring, and the planetary gear carrier is connected with the rear end of the screw through a torsion pin.
Preferably, a bearing disc is further arranged in a cavity enclosed by the outer sleeve rear flange, the planetary inner gear ring and the rear cover, the bearing disc is arranged at the rear end of the screw and is connected with the outer sleeve rear flange, and a bearing is arranged between the bearing disc and the screw.
Preferably, a middle hinge fixing ring is welded on the middle outer surface of the outer tube, a middle hinge is arranged outside the middle hinge fixing ring, and two ends of the middle hinge are connected with middle hinge locking flanges.
Preferably, the front end of the screw rod is sleeved with a screw rod guide sleeve, the front side of the screw rod guide sleeve is provided with a screw rod shaft end baffle, and the screw rod shaft end baffle is connected with the screw rod through a screw.
Preferably, the rear end of the main nut is connected with the reverse tooth locking spiral ring through a screw, and the reverse tooth locking spiral ring is in threaded connection with the piston.
Preferably, the front end of the outer tube is connected with a front guide sleeve, and the front guide sleeve is sleeved on the piston rod.
Preferably, a dust ring and a wear ring are arranged between the piston rod and the front guide sleeve.
Preferably, a self-lubricating shaft sleeve is arranged in the front hanging ring.
The beneficial effects of the utility model are as follows:
1. The planetary drive is adopted, the structure is compact, the return clearance is small, the stability is very strong, the transmission efficiency is high, the bearing capacity is large, and the service life is long.
2. And a fully-closed structure is adopted, so that the safety is high.
3. The front hanging ring of the piston rod is connected with the hanging seat on the gate, so that the screw rod is prevented from being exposed in air and water, and the piston rod is not easy to rust.
4. No hydraulic system exists, so that no oil leakage exists, and the safety is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of portion A of FIG. 1;
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure, 1, a front lifting ring, 2, a self-lubricating shaft sleeve, 3, a front lifting ring locking flange, 4, a piston rod inner plate, 5, a front guide sleeve, 6, an outer sleeve front flange, 7, an outer tube, 8, a dust ring, 9, a wear ring, 10, a screw shaft end baffle, 11, a screw guide sleeve, 12, a screw, 13, a middle hinge fixing ring, 14, a middle hinge locking flange, 15, a middle hinge, 16, an outer sleeve rear flange, 17, a planetary inner gear ring, 18, a rear cover, 19, an electric driving device, 20, a sun gear, 21, a sun shaft, 22, a planetary gear, 23, a planetary gear shaft sleeve, 24, a planetary gear shaft, 25, a planetary gear carrier, 26, a torque pin, 27, a bearing, 28, a piston rod, 29, a main nut, 30, a reverse tooth locking spiral ring, 31, a bearing disc and 32 pistons.
Detailed Description
As shown in fig. 1 to 3, the planetary drive full-closed hoist comprises an outer pipe 7, a middle hinge fixing ring 13 is welded on the middle outer surface of the outer pipe 7, a middle hinge 15 is arranged outside the middle hinge fixing ring 13, and two ends of the middle hinge 15 are connected with middle hinge locking flanges 14. The front end of the outer tube 7 is connected with an outer tube front flange 6, the front end of the outer tube 7 is provided with a front guide sleeve 5, and the front guide sleeve 5 is connected with the outer tube front flange 6 through screws.
The outer tube 7 is internally provided with a piston rod 28 and a piston 32, the piston 32 is connected to the rear end of the piston rod 28, the front end of the piston rod 28 is internally connected with the inner piston rod plate 4, the front end of the piston rod 28 extends out of the outer tube 7 and is connected with the front lifting ring locking flange 3 after the front guiding sleeve 5, the front lifting ring locking flange 3 is connected with the front lifting ring 1, and the front lifting ring 1 is internally provided with the self-lubricating shaft sleeve 2. A dust ring 8 and a wear ring 9 are arranged between the piston rod 28 and the front guide sleeve 5, the dust ring 8 preventing dust from entering the outer tube 7, the wear ring 9 providing guiding and supporting functions.
The screw rod 12 is arranged in the piston rod 28, the screw rod 12 is connected with the main nut 29 in a threaded manner, the main nut 29 is connected with the piston 28, the rear end of the main nut 29 is connected with the anti-tooth locking spiral ring 30 through a screw, and the anti-tooth locking spiral ring 30 is connected with the piston 32 in a threaded manner. The front end of the screw 12 is sleeved with a screw guide sleeve 11, a screw shaft end baffle 10 is arranged on the front side of the screw guide sleeve 11, the screw shaft end baffle 10 is connected with the screw 12 through screws, and the screw guide sleeve 11 guides and supports the front end of the screw 12.
The rear end of the outer tube 7 is connected with an outer tube rear flange 16, the outer tube rear flange 16 is connected with a planetary inner gear ring 17, the rear end of the planetary inner gear ring 17 is connected with a rear cover 18, a sun gear 20, a planet gear 22, a planet gear carrier 25 and a bearing disc 31 are arranged in a cavity enclosed by the outer tube rear flange 16, the planetary inner gear ring 17 and the rear cover 18, the sun gear 20 is connected to a sun shaft 21, the sun shaft 21 extends out of the rear cover 18 and is connected with an electric driving device 19, the planet gear 22 is arranged on the planet gear carrier 25 through a planet gear shaft 24, a planet gear shaft sleeve 23 is arranged on the planet gear shaft 24, the planet gear 22 is meshed with the sun gear 20, and the planet gear 22 is meshed with the inner gear ring 17. The rear end of the screw 12 is a polished rod, and the planet gear carrier 25 is connected with the rear end of the screw 12 through a torsion pin 26. The bearing plate 31 is arranged at the rear end of the screw 12 and is connected with the rear flange 16 of the outer sleeve by bolts, and the bearing 27 is arranged between the bearing plate 31 and the screw 12.
During installation, the front hanging ring 1 at the front end of the piston rod 28 is connected with a hanging seat on the gate, the electric driving device 19 drives the sun shaft 21 and the sun wheel 20 to rotate, the planetary gear 22 drives the planetary gear carrier 25 to rotate, the screw 12 is driven to rotate, the main nut 29 is driven to axially move, and the piston 32 and the piston rod 28 are driven to stretch and retract, so that the gate is opened or closed.
The planetary mechanism is adopted for transmission, the friction force in the transmission process is very small, the friction coefficient is low, the energy loss in the transmission process is effectively reduced, the transmission efficiency is high, the bearing capacity is high, the service life is long, and the operation reliability is high.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. Planetary drive totally closed headstock gear, its characterized in that: the device comprises an outer tube, wherein a piston and a piston rod are arranged in the outer tube, the piston is connected to the rear end of the piston rod, the front end of the piston rod extends out of the outer tube and is connected with a front lifting ring locking flange, and the front lifting ring locking flange is connected with a front lifting ring; a screw rod is arranged in the piston rod, the rear end of the screw rod is a polished rod, a main nut is connected with the screw rod in a threaded manner, and the main nut is connected with the piston; the rear end of the outer tube is connected with an outer tube rear flange, the outer tube rear flange is connected with a planetary inner gear ring, the rear end of the planetary inner gear ring is connected with a rear cover, a sun gear, a planetary gear and a planetary gear carrier are arranged in a cavity enclosed by the outer tube rear flange, the planetary inner gear ring and the rear cover, the sun gear is connected to a sun shaft, the sun shaft stretches out of the rear cover and is connected with an electric driving device, the planetary gear is arranged on the planetary gear carrier through a planetary gear shaft, the planetary gear is meshed with the sun gear, the planetary gear is meshed with the inner gear ring, and the planetary gear carrier is connected with the rear end of the screw through a torsion pin.
2. The planetary drive fully-closed hoist as in claim 1, wherein: and a bearing disc is also arranged in a cavity surrounded by the outer sleeve rear flange, the planetary inner gear ring and the rear cover, the bearing disc is arranged at the rear end of the screw rod and is connected with the outer sleeve rear flange, and a bearing is arranged between the bearing disc and the screw rod.
3. The planetary drive fully-closed hoist as in claim 1, wherein: and a middle hinge fixing ring is welded on the middle outer surface of the outer tube, a middle hinge is arranged outside the middle hinge fixing ring, and two ends of the middle hinge are connected with middle hinge locking flanges.
4. The planetary drive fully-closed hoist as in claim 1, wherein: the front end of the screw rod is sleeved with a screw rod guide sleeve, a screw rod shaft end baffle is arranged on the front side of the screw rod guide sleeve, and the screw rod shaft end baffle is connected with the screw rod through a screw.
5. The planetary drive fully-closed hoist as in claim 1, wherein: the rear end of the main nut is connected with the reverse tooth locking spiral ring through a screw, and the reverse tooth locking spiral ring is in threaded connection with the piston.
6. The planetary drive fully-closed hoist as in claim 1, wherein: the front end of the outer tube is connected with a front guide sleeve which is sleeved on the piston rod.
7. The planetary drive fully-closed hoist as in claim 6, wherein: a dust ring and a wear-resistant ring are arranged between the piston rod and the front guide sleeve.
8. The planetary drive fully-closed hoist as in claim 1, wherein: and a self-lubricating shaft sleeve is arranged in the front hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322977715.XU CN221218725U (en) | 2023-11-05 | 2023-11-05 | Planetary driving full-closed hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322977715.XU CN221218725U (en) | 2023-11-05 | 2023-11-05 | Planetary driving full-closed hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218725U true CN221218725U (en) | 2024-06-25 |
Family
ID=91547534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322977715.XU Active CN221218725U (en) | 2023-11-05 | 2023-11-05 | Planetary driving full-closed hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221218725U (en) |
-
2023
- 2023-11-05 CN CN202322977715.XU patent/CN221218725U/en active Active
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