CN220930123U - Connection type speed reducer - Google Patents
Connection type speed reducer Download PDFInfo
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- CN220930123U CN220930123U CN202322637152.XU CN202322637152U CN220930123U CN 220930123 U CN220930123 U CN 220930123U CN 202322637152 U CN202322637152 U CN 202322637152U CN 220930123 U CN220930123 U CN 220930123U
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a connection type speed reducer, which relates to the technical field of speed reducers and comprises a shell, a speed reducing unit, a universal transmission unit and a locking unit; a locking unit is arranged in the shell; the speed reducing unit comprises an input shaft, a sun gear, a middle table, three fork arms, a planetary shaft and a planetary gear, wherein the left end of the input shaft is fixedly connected with the middle part of the sun gear, the sun gear is respectively connected with three planetary gears in a meshed mode, the middle parts of the planetary gears are respectively fixedly connected with the middle parts of the planetary shaft, the two ends of the planetary shaft are respectively connected with the ends of the two three fork arms in a rotating mode, the middle table is arranged in the middle of the three fork arms, the input shaft drives the sun gear to rotate, the sun gear is connected with the planetary gears in a meshed mode, the planetary gears provide certain reduction ratio output, meanwhile, the planetary gears are connected with an inner gear ring in a meshed mode, the rotation of the inner gear ring provides another reduction ratio, two sets of locking mechanisms are matched, a plurality of reduction ratios are achieved, and the application range is wider.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a connection type speed reducer.
Background
The speed reducer is an independent component consisting of a gear drive, a worm drive and a gear-worm drive enclosed in a rigid housing, and is commonly used as a speed reduction transmission between a driving element and a working machine. The speed reducer is generally used for low-speed and high-torque transmission equipment, and the motor, the internal combustion engine or other power running at high speed is meshed with a large gear on an output shaft through a gear with small teeth number on an input shaft of the speed reducer to achieve the aim of speed reduction.
The technical proposal of the prior art is that the device comprises a speed reducer body, an adjusting mechanism and a limiting mechanism, wherein the side wall of the speed reducer body is fixedly provided with a first bearing, an output shaft is fixedly arranged on the inner ring of the first bearing, a universal joint is fixedly arranged on the right part of the output shaft, a first transmission shaft is fixedly arranged at the other end of the universal joint, the adjusting mechanism comprises a second bearing and a first lantern ring, and the second bearing is sleeved on the surface of the first transmission shaft. Through setting up adjustment mechanism, when the speed reducer body is in use, when the equipment of output and input was not in a plane, can carry out angle adjustment to first transmission shaft through two sets of adjustment mechanism.
However, the existing connection type speed reducer often has only fixed speed reduction ratio, and cannot achieve a plurality of speed reduction ratios, so we propose a connection type speed reducer.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the connecting type speed reducer, the input shaft drives the sun gear to rotate, the sun gear is meshed with the planetary gear, the planetary gear provides a certain reduction ratio output, meanwhile, the planetary gear is meshed with the inner gear ring, the rotation of the inner gear ring provides another reduction ratio, and two sets of locking mechanisms are matched, so that a plurality of reduction ratios are realized, the application range is wider, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection type speed reducer comprises a shell, a speed reducing unit, a universal transmission unit and a locking unit;
a shell: a locking unit is arranged inside;
A deceleration unit: the planetary gear transmission mechanism comprises an input shaft, a sun gear, middle tables, three fork arms, planetary shafts and planetary gears, wherein the left end of the input shaft is fixedly connected with the middle part of the sun gear, the sun gear is respectively connected with the three planetary gears in a meshed mode, the middle parts of the planetary gears are respectively fixedly connected with the middle parts of the planetary shafts, the two ends of the planetary shafts are respectively connected with the ends of the two three fork arms in a rotating mode, the middle tables are arranged in the middle parts of the three fork arms, and the rotation on the right side is connected with the middle parts of the input shaft;
Universal transmission unit: is arranged at the right end of the input shaft.
The input shaft is used for connecting the sun gear, drives the sun gear and rotates, and the sun gear is through meshing the great planetary gear of connecting diameter, accomplishes preliminary speed reduction and increases and turn round, forms fixed gear ratio, and two trigeminal arms are used for rotating and connect the planetary shaft, and the planetary shaft is used for installing and spacing planetary gear, and the center on right side is used for rotating and connecting the input shaft, and the center on left side is used for installing output shaft two.
Further, the speed reducing unit further comprises an inner gear ring, an L-shaped arm and an output shaft I, the outer side of the planetary gear is in meshed connection with the inner gear ring, the circumferential array of the left side face of the inner gear ring is fixedly connected with the transverse portion of the L-shaped arm, and one end, close to the circle center, of the radial portion of the L-shaped arm is connected with the output shaft I.
The planetary gears are meshed with an inner gear ring with larger inner diameter, further speed and torque are increased, a larger speed reduction ratio is formed, the L-shaped arm is used for connecting the inner gear ring with the first output shaft, and the first output shaft is used for outputting the speed reduction power of the inner gear ring.
Further, the speed reduction unit further comprises an output shaft II, the middle part of the left side surface of the middle table on the left side is fixedly connected with the output shaft II, and the output shaft II is rotationally connected with the output shaft I.
The second output shaft is used for outputting the decelerating power of the planetary gear to form two power with two reduction ratios, and more reduction ratios can be formed through the multistage planetary gear set mechanism.
Further, the inner gear ring comprises a bearing support arm and a bearing, the outer side of the inner gear ring is rotationally connected with the bearing, the front end and the rear end of the bearing are respectively and fixedly connected with the bearing support arm, and one ends, far away from the circle center, of the bearing support arms are respectively and fixedly connected with the inner side of the shell.
The bearing is used for rotationally connecting the inner gear ring, and the bearing support arm is used for fixing the bearing on the shell.
Further, the universal transmission unit comprises an outer shaft, a cross shaft and a U-shaped hinge, the right end of the input shaft is fixedly connected with the U-shaped hinge, the U-shaped hinge is rotationally connected with the front end and the rear end of the cross shaft, and the upper end and the lower end of the cross shaft are rotationally connected with the left end of the left U-shaped hinge fixedly connected with the outer shaft.
The cross shaft is used for rotationally connecting two vertical U-shaped hinges to form a universal transmission structure, and the outer shaft is used for connecting.
Further, the locking unit contains electric telescopic handle and arc clamp, the front and back side of the middle stage on output shaft one and right side is equipped with the arc respectively and presss from both sides, the arc presss from both sides the flexible end of one side of keeping away from the rotation axis fixed connection electric telescopic handle respectively, the inside of fixed end fixed connection shell respectively of electric telescopic handle, electric telescopic handle's input is connected with external power source electricity through outside control switch group.
The electric telescopic rod controls the opposite movement of the arc clamp, is respectively used for clamping the middle table and the first output shaft, releases the clamping locking of the middle table, clamps and locks the first output shaft, and then the second output shaft outputs with a larger reduction ratio, releases the clamping of the first output shaft, clamps the middle table, and then the first output shaft outputs with a larger reduction ratio, thereby completing the output of different reduction ratios.
Compared with the prior art, the utility model has the beneficial effects that: the connection type speed reducer has the following advantages:
1. According to the connection type speed reducer, the planetary gear mechanism is adopted, the inner diameter of the inner gear ring is larger than the diameter of the planetary gear, and the diameter of the planetary gear is larger than that of the sun gear, so that the rotation of the sun gear can form two-stage speed reduction through meshing of the planetary gear and the inner gear ring.
2. The connection type speed reducer adopts the electric telescopic rod to control the opposite movement of the arc clamp to respectively complete the locking of the inner gear ring and the planetary gear, and respectively control the two reduction ratios, so that the output power is more effective.
3. The input end of the connection type speed reducer adopts the cross shaft and the two mutually perpendicular U-shaped hinges, the input angle of the outer shaft and the angle of the input shaft can be adjusted by a small angle through the connection of the U-shaped hinges, and the application range is wider.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;
fig. 3 is a schematic view of the external structure of the present utility model.
In the figure: 1 shell, 2 bearing support arms, 3 speed reducing units, 31 input shafts, 32 sun gears, 33 middle tables, 34 three-fork arms, 35 planetary shafts, 36 planetary gears, 37 inner gear rings, 38L-shaped arms, 39 first output shafts, 310 second output shafts, 4 bearings, 5 universal transmission units, 51 outer shafts, 52 cross shafts, 53U-shaped hinges, 6 locking units, 61 electric telescopic rods and 62 arc clamps.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides the following technical solutions: the connecting type speed reducer comprises a shell 1, a speed reducing unit 3, a universal transmission unit 5 and a locking unit 6;
The shell 1: a locking unit 6 is arranged inside;
The locking unit 6 comprises an electric telescopic rod 61 and an arc clamp 62, the arc clamp 62 is respectively arranged on the front side and the rear side of the middle table 33 on the first output shaft 39 and the right side, one side, far away from the rotating shaft, of the arc clamp 62 is respectively fixedly connected with the telescopic end of the electric telescopic rod 61, the fixed end of the electric telescopic rod 61 is respectively fixedly connected with the inside of the shell 1, and the input end of the electric telescopic rod 61 is electrically connected with an external power supply through an external control switch group.
The electric telescopic rod 61 controls the opposite movement of the arc clamp 62, and is respectively used for clamping the middle stage 33 and the first output shaft 39, releasing the clamping locking of the middle stage 33, clamping and locking the first output shaft 39, outputting the second output shaft 310 at a larger speed reduction ratio, releasing the clamping of the first output shaft 39, clamping the middle stage 33, outputting the first output shaft 39 at a larger speed reduction ratio, and completing the outputting of different speed reduction ratios.
Deceleration unit 3: the three-phase planetary gear comprises an input shaft 31, a sun gear 32, a middle table 33, three fork arms 34, planetary shafts 35 and planetary gears 36, wherein the left end of the input shaft 31 is fixedly connected with the middle part of the sun gear 32, the sun gear 32 is respectively connected with the three planetary gears 36 in a meshed manner, the middle parts of the planetary gears 36 are respectively fixedly connected with the middle parts of the planetary shafts 35, the two ends of the planetary shafts 35 are respectively connected with the ends of the two three fork arms 34 in a rotating manner, the middle table 33 is arranged in the middle of the three fork arms 34, and the rotation on the right side is connected with the middle part of the input shaft 31;
Universal drive unit 5: mounted on the right end of the input shaft 31.
The universal transmission unit 5 comprises an outer shaft 51, a cross shaft 52 and a U-shaped hinge 53, the right end of the input shaft 31 is fixedly connected with the U-shaped hinge 53, the U-shaped hinge 53 is rotationally connected with the front end and the rear end of the cross shaft 52, and the upper end and the lower end of the cross shaft 52 are rotationally connected with the left end of the left U-shaped hinge 53 which is fixedly connected with the left end of the outer shaft 51.
The cross 52 is used to rotatably connect two vertical U-shaped hinges 53 to form a universal drive structure, and the outer axle 51 is used to connect.
The input shaft 31 is used for connecting the sun gear 32 to drive the sun gear 32 to rotate, the sun gear 32 is connected with the planetary gear 36 with larger diameter in a meshed mode to finish preliminary speed reduction and torque increase, a fixed speed reduction ratio is formed, the two three-fork arms 34 are used for rotationally connecting the planetary shaft 35, the planetary shaft 35 is used for installing and limiting the planetary gear 36, the middle table 33 on the right side is used for rotationally connecting the input shaft 31, and the middle table 33 on the left side is used for installing the output shaft two 310.
The speed reducing unit 3 further comprises an inner gear ring 37, an L-shaped arm 38 and an output shaft I39, the outer side of the planetary gear 36 is meshed with the inner gear ring 37, the left side surface of the inner gear ring 37 is fixedly connected with the transverse part of the L-shaped arm 38 in a circumferential array mode, and one ends, close to the circle center, of the radial parts of the L-shaped arm 38 are connected with the output shaft I39.
The planetary gear 36 is meshed with an inner gear ring 37 with larger inner diameter, further reduces speed and increases torque to form a larger reduction ratio, the L-shaped arm 38 is used for connecting the inner gear ring 37 with an output shaft I39, and the output shaft I39 is used for outputting the speed reduction power of the inner gear ring 37.
The speed reducing unit 3 further comprises a second output shaft 310, the middle part of the left side surface of the middle table 33 on the left side is fixedly connected with the second output shaft 310, and the second output shaft 310 is rotatably connected with the first output shaft 39.
The output shaft two 310 is used for outputting the decelerating power of the planetary gear 36, forming two reducing ratio power, and more reducing ratio can be formed by the multistage planetary gear set mechanism.
The inner gear ring 37 is characterized by further comprising a bearing support arm 2 and a bearing 4, wherein the bearing 4 is rotatably connected to the outer side of the inner gear ring 37, the front end and the rear end of the bearing 4 are respectively fixedly connected with the bearing support arm 2, and one end, away from the circle center, of the bearing support arm 2 is respectively fixedly connected with the inner side of the shell 1.
The bearing 4 is used for the rotational connection of the ring gear 37 and the bearing arms 2 fix the bearing 4 to the housing 1.
The working principle of the connection type speed reducer provided by the utility model is as follows:
The input shaft 31 is used for connecting the sun gear 32 to drive the sun gear 32 to rotate, the sun gear 32 is connected with the planetary gear 36 with larger diameter in a meshed mode to finish preliminary speed reduction and torque increase, a fixed speed reduction ratio is formed, the two three-fork arms 34 are used for rotationally connecting the planetary shaft 35, the planetary shaft 35 is used for installing and limiting the planetary gear 36, the middle table 33 on the right side is used for rotationally connecting the input shaft 31, and the middle table 33 on the left side is used for installing the output shaft two 310. The planetary gear 36 is meshed with an inner gear ring 37 with larger inner diameter, further reduces speed and increases torque to form a larger reduction ratio, the L-shaped arm 38 is used for connecting the inner gear ring 37 with an output shaft I39, and the output shaft I39 is used for outputting the speed reduction power of the inner gear ring 37. The output shaft two 310 is used for outputting the decelerating power of the planetary gear 36, forming two reducing ratio power, and more reducing ratio can be formed by the multistage planetary gear set mechanism. The bearing 4 is used for the rotational connection of the ring gear 37 and the bearing arms 2 fix the bearing 4 to the housing 1.
The cross 52 is used to rotatably connect two vertical U-shaped hinges 53 to form a universal drive structure, and the outer axle 51 is used to connect.
The electric telescopic rod 61 controls the opposite movement of the arc clamp 62, and is respectively used for clamping the middle stage 33 and the first output shaft 39, releasing the clamping locking of the middle stage 33, clamping and locking the first output shaft 39, outputting the second output shaft 310 at a larger speed reduction ratio, releasing the clamping of the first output shaft 39, clamping the middle stage 33, outputting the first output shaft 39 at a larger speed reduction ratio, and completing the outputting of different speed reduction ratios.
It is noted that the external control switch group controls the operation of the electric telescopic rod 61 by a method commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A connection type speed reducer, which is characterized in that: comprises a shell (1), a speed reducing unit (3), a universal transmission unit (5) and a locking unit (6);
outer casing (1): a locking unit (6) is arranged inside;
A speed reduction unit (3): the three-phase planetary gear comprises an input shaft (31), a sun gear (32), a middle table (33), three fork arms (34), a planetary shaft (35) and a planetary gear (36), wherein the left end of the input shaft (31) is fixedly connected with the middle part of the sun gear (32), the sun gear (32) is respectively connected with the three planetary gears (36) in a meshed mode, the middle parts of the planetary gears (36) are respectively fixedly connected with the middle parts of the planetary shaft (35), the two ends of the planetary shaft (35) are respectively connected with the ends of the two three fork arms (34) in a rotating mode, the middle table (33) is arranged in the middle of the three fork arms (34), and the right side of the middle table is connected with the middle part of the input shaft (31) in a rotating mode;
Universal transmission unit (5): is mounted on the right end of the input shaft (31).
2. The connection type speed reducer according to claim 1, wherein: the speed reducing unit (3) further comprises an inner gear ring (37), L-shaped arms (38) and an output shaft I (39), the outer sides of the planetary gears (36) are meshed and connected with the inner gear ring (37), the left side surface circumferential array of the inner gear ring (37) is fixedly connected with the transverse part of the L-shaped arms (38), and one ends, close to the circle centers, of the radial parts of the L-shaped arms (38) are connected with the output shaft I (39).
3. The connection type speed reducer according to claim 2, wherein: the speed reducing unit (3) further comprises a second output shaft (310), the middle part of the left side surface of the middle table (33) on the left side is fixedly connected with the second output shaft (310), and the second output shaft (310) is rotationally connected with the first output shaft (39).
4. A connection-type speed reducer according to claim 3, characterized in that: the novel inner gear ring comprises an inner gear ring (37), and is characterized by further comprising a bearing support arm (2) and a bearing (4), wherein the bearing (4) is connected to the outer side of the inner gear ring in a rotating mode, the front end and the rear end of the bearing (4) are respectively fixedly connected with the bearing support arm (2), and one end, far away from the center of a circle, of the bearing support arm (2) is respectively fixedly connected with the inner side of a shell (1).
5. The connection type speed reducer according to claim 4, wherein: the universal transmission unit (5) comprises an outer shaft (51), a cross shaft (52) and a U-shaped hinge (53), the right end of the input shaft (31) is fixedly connected with the U-shaped hinge (53), the U-shaped hinge (53) is rotationally connected with the front end and the rear end of the cross shaft (52), and the upper end and the lower end of the cross shaft (52) are rotationally connected with the left end of the left U-shaped hinge (53) which is fixedly connected with the outer shaft (51).
6. The connection type speed reducer according to claim 5, wherein: the locking unit (6) comprises an electric telescopic rod (61) and an arc clamp (62), the front side and the rear side of a middle table (33) on the first output shaft (39) and the right side are respectively provided with the arc clamp (62), one side, far away from a rotating shaft, of the arc clamp (62) is respectively and fixedly connected with the telescopic end of the electric telescopic rod (61), the fixed end of the electric telescopic rod (61) is respectively and fixedly connected with the inside of the shell (1), and the input end of the electric telescopic rod (61) is electrically connected with an external power supply through an external control switch group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637152.XU CN220930123U (en) | 2023-09-27 | 2023-09-27 | Connection type speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637152.XU CN220930123U (en) | 2023-09-27 | 2023-09-27 | Connection type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930123U true CN220930123U (en) | 2024-05-10 |
Family
ID=90964326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637152.XU Active CN220930123U (en) | 2023-09-27 | 2023-09-27 | Connection type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930123U (en) |
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2023
- 2023-09-27 CN CN202322637152.XU patent/CN220930123U/en active Active
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