CN217977215U - Parallel type double-input hoisting equipment speed reducing mechanism - Google Patents
Parallel type double-input hoisting equipment speed reducing mechanism Download PDFInfo
- Publication number
- CN217977215U CN217977215U CN202221522354.9U CN202221522354U CN217977215U CN 217977215 U CN217977215 U CN 217977215U CN 202221522354 U CN202221522354 U CN 202221522354U CN 217977215 U CN217977215 U CN 217977215U
- Authority
- CN
- China
- Prior art keywords
- left end
- right end
- planet carrier
- worm
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Retarders (AREA)
Abstract
The utility model relates to a parallel dual input hoisting equipment reduction gears, characteristics are: the power input shaft and the output shaft are coaxially arranged from left to right, and both the shafts can be rotatably supported in a shaft hole on the rack; the sun gear is coaxially and fixedly arranged at the left end of the power input shaft, and the right end of the power input shaft is a motor connecting end; the planet carrier is sleeved outside the right end of the power input shaft, the inside of the left end of the planet carrier is in rotary supporting fit with the right end of the input shaft, and the right end of the planet carrier is coaxially and fixedly connected with the left end of the output shaft; a planet wheel is arranged in the planet carrier; the left end cover and the right end cover are respectively sleeved on the periphery of the left end part and the periphery of the right end part of the planet carrier, the left end cover and the right end cover are respectively in coaxial rotating support fit with the outer part of the left end and the outer part of the right end of the planet carrier, and the inner gear ring is coaxially fixed between the two end covers; the worm wheel is coaxially and fixedly connected with the left end of the left end cover; the worm adopts a single-head worm, two ends of the worm can be rotatably supported and installed on the rack, and one end of the worm is the connecting end of a manual operating part. The mechanism can realize the operation without mutual interference of electric operation and manual operation.
Description
Technical Field
The utility model belongs to the technical field of the retarding device, in particular to parallel dual input hoisting equipment reduction gears.
Background
The hoisting equipment is widely applied in the industrial field, and is mostly driven after being decelerated by a speed reducer through a motor. With the increasing degree of automation, higher and higher requirements are placed on the safety and compactness of the device. Taking a winch as an example, in order to ensure normal operation after power failure, a hand-cranking function is required to be equipped for safety, but the hand-cranking output end transmission chain and the motor-output end transmission chain of the conventional device are not mutually independent, and a band-type brake mechanism of the device is required to be disengaged in the hand-cranking process, which undoubtedly increases the operation risk coefficient.
Therefore, the lifting device which is designed to be more reliable and compact has very important engineering application value and economic value.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's weak point, providing a compact structure, can realize electronic and manual mutual noninterference operation's parallel dual input hoisting equipment reduction gears.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a parallel dual input hoisting equipment reduction gears which characterized in that: the device comprises a power input shaft, a single-head worm, a worm wheel, a sun wheel, a planet wheel, an inner gear ring, a planet carrier, a left end cover, a right end cover, an output shaft and a rack;
the power input shaft and the output shaft are coaxially arranged left and right, and can be rotatably supported in a shaft hole on the rack; the sun gear is coaxially and fixedly arranged at the left end of the power input shaft, and the right end of the power input shaft is a motor connecting end; the planet carrier is sleeved outside the right end of the power input shaft, the inside of the left end of the planet carrier forms rotating supporting fit with the right end of the power input shaft through a bearing, and the right end part of the planet carrier is coaxially and fixedly connected with the left end part of the output shaft; a rotatable planet wheel is arranged in the planet carrier; the left end cover and the right end cover are respectively sleeved on the periphery of the left end part and the periphery of the right end part of the planet carrier, the left end cover and the right end cover are respectively in coaxial rotating supporting fit with the outer part of the left end and the outer part of the right end of the planet carrier through bearings, the inner gear ring is coaxially arranged between the left end cover and the right end cover and fixedly connected with the left end cover and the right end cover into a whole through screws, and the planet gear is meshed with the sun gear and the inner gear ring; the worm wheel is coaxially arranged outside the left side of the left end cover and is fixedly connected with the left end cover through a circle of screws uniformly distributed along the circumferential direction; the worm adopts a single-head worm structure, two ends of the worm are rotatably supported and mounted on preset mounting hole positions on the rack through bearings, and the worm is meshed with the worm wheel; one end of the worm is a manual operation piece connecting end.
And further: the inside shaft hole that is provided with of right-hand member of planet carrier is through the coaxial cartridge fixed connection of left end of shaft hole and output shaft.
And further: a hollow wheel shaft is fixedly arranged on the planet carrier, and the planet wheel is arranged on the hollow wheel shaft through a bearing.
The utility model has the advantages and positive effect:
1. the utility model discloses a differential type planetary mechanism and worm gear mechanism are coupled mutually, realize motor, hand dual input.
2. The utility model discloses compare with the hand decelerator of conventionality, it is high to have power density, advantage that the structure is more compact.
3. The utility model discloses hand drive chain adopts the worm gear structure, can realize big velocity ratio, and hand moment is little, easily operation.
4. The electric input and the hand input of the utility model are in parallel connection, one power source is locked, and the other power source can still input power; the two power sources can be input simultaneously, and the motion theory of the output end is the superposition of two input motions.
Drawings
Fig. 1 is a sectional view of the overall structure of the present invention;
fig. 2 is a transmission schematic diagram of the present invention.
Detailed Description
The structure of the present invention will be further explained by embodiments with reference to the drawings. It is to be understood that this embodiment is illustrative and not restrictive.
A parallel type double-input hoisting equipment speed reducing mechanism is shown in figures 1-2 and mainly comprises a power input shaft 3, a single-head worm 7, a worm wheel 6, a sun wheel 12, a planet wheel 11, an inner gear ring 9, a planet carrier 17, a left end cover 8, a right end cover 14, an output shaft 13 and a rack (the rack is not shown in the figures). The sun wheel, the planet wheel and the inner gear ring are meshed to form a 2K-H type differential double-freedom-degree planet mechanism.
The power input shaft and the output shaft are coaxially arranged left and right, the power input shaft and the output shaft are both supported in a shaft hole in the rack through bearings, the sun gear is coaxially and fixedly installed at the left end head of the power input shaft, and the right end of the power input shaft is used for being connected with a motor and used as an electric input end. The planet carrier is sleeved outside the right end of the power input shaft. The left end of planet carrier is inside to form the rotation support cooperation through between the right-hand member of bearing 2 and input shaft, and wherein, the bearing is two, is provided with spacer 4 between two bearings, can increase axial cooperation length, improves the stability of supporting. The inner portion of the right end of the planet carrier is provided with a shaft hole, the shaft hole is fixedly connected with the left end of the output shaft in a coaxial inserting mode, specifically, the planet carrier can be connected through a flat key structure, and the left end of the output shaft is connected with an inner end plate (not shown in the attached drawing) through a screw to be axially fixed. The planet wheels are rotatably mounted in the planet carrier by means of an axle 16, which may be of a hollow shaft construction as described in the figures, and bearings 15 mounted on the axle. The left end cover and the right end cover are respectively sleeved on the periphery of the left end part and the periphery of the right end part of the planet carrier, and are respectively matched with the outer part of the left end and the outer part of the right end of the planet carrier through a bearing 5 in a coaxial rotation supporting mode. The inner gear ring is arranged between the left end cover and the right end cover, outer annular concave tables are arranged at the right end of the left end cover and the left end of the right end cover, the left end of the inner gear ring is matched with the outer annular concave table on the left end cover, the right end of the inner gear ring is matched with the outer annular concave-convex table on the right end cover, the inner gear ring is coaxially arranged between the left end cover and the right end cover, and the left end cover, the inner gear ring and the right end cover are integrally and fixedly connected through screws 10. The worm wheel is of a large hollow structure, an inner annular concave table is arranged at the right end of the worm wheel, the inner annular concave table is inserted into the left end of the left end cover in a positioning fit mode, the worm wheel is coaxially arranged outside the left side of the left end cover, and the worm wheel is fixedly connected with the left end cover through screws 1 uniformly distributed along a circle. The worm adopts a single-head worm structure and has a self-locking function, two ends of the worm are rotatably supported and installed on preset installation hole positions on the rack through bearings, and the worm is meshed with the worm wheel. One end of the worm is connected with a hand-operated wheel and used as a manual press input end.
The working principle of the speed reducing mechanism of the parallel double-input hoisting equipment is as follows:
when the motor is required to input power, the inner gear ring is locked by means of the self-locking function of the worm gear pair, the power input from the power input shaft is transmitted to the planet carrier through the meshing motion of the sun gear and the planet gear, and finally transmitted to the output shaft through the planet carrier, so that the electric output is realized. When the motor is powered off, the motor shaft is locked, the worm at the hand-operated end inputs motion, the motion is transmitted to the inner gear ring through the worm wheel, the motion is meshed with the planet wheel through the inner gear ring, and finally the motion is transmitted to the output shaft through the planet carrier, so that the manual output is realized.
The embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, but can be understood by those skilled in the art: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the scope of the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (3)
1. The utility model provides a parallel dual input hoisting equipment reduction gears which characterized in that: the device comprises a power input shaft, a single-head worm, a worm wheel, a sun wheel, a planet wheel, an inner gear ring, a planet carrier, a left end cover, a right end cover, an output shaft and a rack;
the power input shaft and the output shaft are coaxially arranged left and right, and can be rotatably supported in shaft holes in the rack; the sun gear is coaxially and fixedly arranged at the left end of the power input shaft, and the right end of the power input shaft is a motor connecting end; the planet carrier is sleeved outside the right end of the power input shaft, the inside of the left end of the planet carrier forms rotating supporting fit with the right end of the power input shaft through a bearing, and the right end part of the planet carrier is coaxially and fixedly connected with the left end part of the output shaft; a rotatable planet wheel is arranged in the planet carrier; the left end cover and the right end cover are respectively sleeved on the periphery of the left end part and the periphery of the right end part of the planet carrier, the left end cover and the right end cover are respectively in coaxial rotating supporting fit with the outer part of the left end and the outer part of the right end of the planet carrier through bearings, the inner gear ring is coaxially arranged between the left end cover and the right end cover and fixedly connected with the left end cover and the right end cover into a whole through screws, and the planet gear is meshed with the sun gear and the inner gear ring; the worm wheel is coaxially arranged outside the left side of the left end cover and is fixedly connected with the left end cover through a circle of screws uniformly distributed along the circumferential direction; the worm adopts a single-head worm structure, two ends of the worm are rotatably supported and mounted on preset mounting hole positions on the rack through bearings, and the worm is meshed with the worm wheel; one end of the worm is a connecting end of a manual operation piece.
2. A parallel dual input hoisting device reduction mechanism according to claim 1, wherein: the inside shaft hole that is provided with of right-hand member of planet carrier is through the coaxial cartridge fixed connection in left end of shaft hole and output shaft.
3. A parallel dual input hoisting device reduction mechanism according to claim 1, wherein: a hollow wheel shaft is fixedly arranged on the planet carrier, and the planet wheel is arranged on the hollow wheel shaft through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522354.9U CN217977215U (en) | 2022-06-17 | 2022-06-17 | Parallel type double-input hoisting equipment speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522354.9U CN217977215U (en) | 2022-06-17 | 2022-06-17 | Parallel type double-input hoisting equipment speed reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977215U true CN217977215U (en) | 2022-12-06 |
Family
ID=84270983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221522354.9U Active CN217977215U (en) | 2022-06-17 | 2022-06-17 | Parallel type double-input hoisting equipment speed reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588527A (en) * | 2024-01-16 | 2024-02-23 | 东北大学 | Speed reducer with double input modes |
-
2022
- 2022-06-17 CN CN202221522354.9U patent/CN217977215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588527A (en) * | 2024-01-16 | 2024-02-23 | 东北大学 | Speed reducer with double input modes |
| CN117588527B (en) * | 2024-01-16 | 2024-03-19 | 东北大学 | Speed reducer with double input modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106979280B (en) | Parallel multistage planetary gear speed reduction transmission mechanism | |
| CN101993012B (en) | Electric and manual integrated planet driving device | |
| CN217977215U (en) | Parallel type double-input hoisting equipment speed reducing mechanism | |
| CN201747870U (en) | Walking speed reducer for crane | |
| CN101761633A (en) | Four-stage driving combined type speed reducer and speed reduction method thereof | |
| CN220016021U (en) | Pedal motor speed reducer | |
| CN201090678Y (en) | Traveling wheel gearing device with brake | |
| CN216343805U (en) | Differential reduction box and shoulder-elbow integrated power-assisted mechanism thereof | |
| CN115750686A (en) | High-rigidity large-load precise speed reduction closed-loop transmission device | |
| CN212338046U (en) | Compact speed reducer | |
| CN111853169A (en) | Compact speed reducer | |
| CN209294344U (en) | Double reduction driving speed reducer | |
| CN220527806U (en) | Motor with speed reduction function | |
| CN216343712U (en) | Worm gear planetary speed reducing motor | |
| CN206802205U (en) | A kind of Two-stage Planet Gear Reducer | |
| CN217683074U (en) | Speed reducing mechanism of electric wheel driving system | |
| CN221033891U (en) | Planetary reducer with hand function | |
| CN214248196U (en) | Output direction adjustable high stability planetary reducer | |
| CN217401674U (en) | Novel planet carrier structure of planetary reducer | |
| CN217301457U (en) | Novel right-angle hub speed reducer | |
| CN215720560U (en) | Planetary reducer with clutch structure | |
| CN214146434U (en) | Double-speed adjustable driving unit | |
| CN215567689U (en) | One-level precision planetary reducer | |
| CN219159445U (en) | Planetary gear reducer device | |
| CN212899562U (en) | Robot joint planetary reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |