CN210318409U - Speed reducer with adjustable transmission ratio - Google Patents
Speed reducer with adjustable transmission ratio Download PDFInfo
- Publication number
- CN210318409U CN210318409U CN201921025354.6U CN201921025354U CN210318409U CN 210318409 U CN210318409 U CN 210318409U CN 201921025354 U CN201921025354 U CN 201921025354U CN 210318409 U CN210318409 U CN 210318409U
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- casing
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- speed reducer
- output shaft
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Abstract
The utility model discloses an adjustable drive ratio formula speed reducer, install input shaft and output shaft on the casing including casing and rotation, install the driving gear on the input shaft, install on the output shaft with driving gear complex driven gear, the quantity of driving gear and driven gear is two and the one-to-one cooperation, the output shaft comprises the installation axle of two pivots and splined connection between two pivots, install the rotation of axle and install on the U template, two driven gear intervals are installed on installing the axial region that the axle is located the U template, U template and casing sliding connection, still install in the casing and be used for driving the gliding drive unit of U template, drive unit includes step motor, disc and movable rod, and this application is equipped with two one-to-one complex driving gears and driven gear, installation axle, U template and drive unit can reach the purpose of fast switch over, novel structure, easy operation, convenient and practical.
Description
Technical Field
The utility model relates to a speed reducer technical field specifically is an adjustable drive ratio formula speed reducer.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.
The transmission ratio of the existing speed reducer is only one value, a plurality of output shafts are arranged to provide different reduction ratios under the common condition, the speed reducers of the output shafts are large in size and high in production cost, the transmission ratio is changed during use, different output shafts are connected with equipment, switching is troublesome, and operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model aims to provide an adjustable drive ratio formula speed reducer to solve above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an adjustable drive ratio formula speed reducer, includes the casing and rotates input shaft and the output shaft of installing on the casing, install the driving gear on the input shaft, install on the output shaft with driving gear complex driven gear, the quantity of driving gear and driven gear is two and the one-to-one cooperation, and the diameter of two driving gears is different, the output shaft comprises the installation axle of two pivot and splined connection between two pivots, and two pivots run through casing both sides wall respectively and rotate with casing both sides wall and be connected, the installation axle rotates and installs on the U template, and two driven gear intervals are installed on installing the axle section that the axle is located the U template, U template and casing sliding connection, still install in the casing and be used for driving the gliding drive unit of U template.
In one alternative: the rotating shaft is rotatably connected with the side wall of the shell through a bearing.
In one alternative: the installation axle both ends all an organic whole is equipped with the spline, set up in the pivot with spline fit's spline groove.
In one alternative: the installation axle passes through the bearing rotation with U template lateral wall and is connected.
In one alternative: the U-shaped plate both sides homogeneous body formula is equipped with the slider, sets up on the casing and supplies the gliding spout of slider.
In one alternative: the drive unit comprises a stepping motor, a disc and a movable rod, the stepping motor is installed on the inner wall of the shell, the disc is installed on an output shaft of the stepping motor, the movable rod is fixedly installed on the side wall, close to the disc, of the U-shaped plate, a cylindrical pin is integrally arranged on the outer side of the end face of the disc, and a groove for the cylindrical pin to be inserted and slide is formed in the movable rod.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
this application is equipped with two one-to-one complex driving gear and driven gear, installation axle, U template and drive unit, drive unit includes step motor, disc and movable rod, when needing adjustment drive ratio, start step motor, step motor drives the disc and rotates, thereby the disc passes through the cylindric lock and slides in the recess and drive movable rod and U template removal, the U template drives the installation axle and removes, another and its corresponding complex driving gear meshing in the installation axle drives two driven gear, thereby change the rotation ratio, when needs switch over once more, can pass through reverse rotation step motor, thereby reach fast switch over's purpose, moreover, the steam generator is novel in structure, the operation is simple, and is convenient and practical.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a driving unit according to a first embodiment of the present invention.
Fig. 3 is a three-dimensional view of a driving unit according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the first embodiment of the present invention in another state.
Notations for reference numerals: the device comprises a shell 1, a stepping motor 2, a disc 3, a movable rod 4, a sliding block 5, a rotating shaft 6, an input shaft 7, a driving gear 8, a U-shaped plate 9, a driven gear 10, a mounting shaft 11, a spline 12, a cylindrical pin 13 and a groove 14.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, a transmission ratio adjustable speed reducer includes a housing 1, and an input shaft 7 and an output shaft rotatably mounted on the housing 1, wherein a driving gear 8 is mounted on the input shaft 7, a driven gear 10 cooperating with the driving gear 8 is mounted on the output shaft, the number of teeth of the driven gear 10 is greater than the number of teeth of the driving gear 8, the number of the driving gear 8 and the number of the driven gear 10 are two and are in one-to-one correspondence, the diameters of the two driving gears 8 are different, the output shaft is composed of two rotating shafts 6 and a mounting shaft 11 connected between the two rotating shafts 6 through splines 12, the two rotating shafts 6 respectively penetrate through two side walls of the housing 1 and are rotatably connected with the two side walls of the housing 1, in this embodiment, the rotating shafts 6 are preferably rotatably connected with the side, the rotating shaft 6 is provided with a spline groove matched with a spline 12, the installation shaft 11 is rotatably installed on the U-shaped plate 9, in the embodiment, the installation shaft 11 is rotatably connected with the side wall of the U-shaped plate 9 through a bearing, two driven gears 10 are installed at intervals on a shaft section of the installation shaft 11 located in the U-shaped plate 9, the U-shaped plate 9 is slidably connected with the casing 1, sliders 5 are uniformly arranged on two sides of the U-shaped plate 9, a chute for the sliders 5 to slide is formed in the casing 1, a driving unit for driving the U-shaped plate 9 to slide is further installed in the casing 1, the driving unit comprises a stepping motor 2, a disc 3 and a movable rod 4, the stepping motor 2 is installed on the inner wall of the casing 1, the disc 3 is installed on an output shaft of the stepping motor 2, the movable rod 4 is fixedly installed on the side wall of the U-shaped plate 9 close to the, the outer side of the end face of the disc 3 is integrally provided with a cylindrical pin 13, the movable rod 4 is provided with a groove 14 for the cylindrical pin 13 to insert and slide, at the beginning, a pair of driving gears 8 and driven gears 10 are meshed with each other for speed reduction transmission, when the transmission ratio needs to be adjusted, the stepping motor 2 is started, the stepping motor 2 drives the disc 3 to rotate, the disc 3 slides in the groove 14 through the cylindrical pin 13 so as to drive the movable rod 4 and the U-shaped plate 9 to move, the U-shaped plate 9 drives the mounting shaft 11 to move, the mounting shaft 11 drives the other one of the two driven gears 10 to be meshed with the driving gear 8 correspondingly matched with the other one of the two driven gears 10 so as to change the rotation ratio, when switching is needed again, the stepping motor 2 can be rotated reversely, of course, in the embodiment, the distance between the other one of the two driven gears 10 and, like this step motor 2 rotates 180 degrees at every turn according to fixed direction, can realize the switching of drive ratio, easy operation, convenient and practical, belongs to prior art's content in the speed reducer and no longer gives unnecessary details here.
Example 2
A reduction system comprising the adjustable ratio reduction gear of embodiment 1.
The utility model discloses a theory of operation is: the utility model discloses when using, when beginning, a pair of driving gear 8 and driven gear 10 intermeshing, speed reduction transmission carries out, when needs adjustment drive ratio, start step motor 2, step motor 2 drives disc 3 and rotates, thereby disc 3 slides in recess 14 through cylindric lock 13 and drives movable rod 4 and U template 9 and remove, U template 9 drives installation axle 11 and removes, another and its meshing that corresponds the complex driving gear 8 in installation axle 11 drives two driven gear 10, thereby change the rotation ratio, when needs switch over once more, can be through reverse rotation step motor 2, thereby reach fast switch's purpose, and is novel in structure, and easy operation, and convenience and practicability.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an adjustable drive ratio formula speed reducer, includes casing (1) and rotates input shaft (7) and the output shaft of installing on casing (1), install driving gear (8) on input shaft (7), install on the output shaft with driving gear (8) complex driven gear (10), its characterized in that, the quantity of driving gear (8) and driven gear (10) is two and the one-to-one cooperation, and the diameter of two driving gear (8) is different, the output shaft comprises two pivot (6) and installation axle (11) of splined connection between two pivot (6), and two pivot (6) run through casing (1) both sides wall respectively and rotate with casing (1) both sides wall and be connected, installation axle (11) rotate and install on U template (9), and two driven gear (10) interval are installed and are located the axle section of U template (9) in installation axle (11), u template (9) and casing (1) sliding connection, still install in casing (1) and be used for driving the gliding drive unit of U template (9).
2. A reducer according to claim 1 in which the shaft (6) is rotatably connected to the side wall of the housing (1) by bearings.
3. The adjustable transmission ratio speed reducer according to claim 1, wherein splines (12) are integrally formed at both ends of the mounting shaft (11), and spline grooves matched with the splines (12) are formed on the rotating shaft (6).
4. The adjustable transmission ratio speed reducer according to claim 1, wherein the mounting shaft (11) is rotatably connected with the side wall of the U-shaped plate (9) through a bearing.
5. The adjustable transmission ratio speed reducer according to claim 1, wherein the two sides of the U-shaped plate (9) are integrally provided with the sliding blocks (5), and the casing (1) is provided with a sliding groove for the sliding blocks (5) to slide.
6. The adjustable transmission ratio speed reducer according to any one of claims 1-5, wherein the driving unit comprises a stepping motor (2), a disc (3) and a movable rod (4), the stepping motor (2) is mounted on the inner wall of the casing (1), the disc (3) is mounted on an output shaft of the stepping motor (2), the movable rod (4) is fixedly mounted on the side wall of the U-shaped plate (9) close to the disc (3), a cylindrical pin (13) is integrally arranged on the outer side of the end face of the disc (3), and a groove (14) for the cylindrical pin (13) to insert and slide is formed in the movable rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025354.6U CN210318409U (en) | 2019-07-03 | 2019-07-03 | Speed reducer with adjustable transmission ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025354.6U CN210318409U (en) | 2019-07-03 | 2019-07-03 | Speed reducer with adjustable transmission ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318409U true CN210318409U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921025354.6U Expired - Fee Related CN210318409U (en) | 2019-07-03 | 2019-07-03 | Speed reducer with adjustable transmission ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210318409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531063A (en) * | 2021-07-15 | 2021-10-22 | 南京华能冶金机械制造有限公司 | Gear reducer with adjustable speed reduction ratio structure |
-
2019
- 2019-07-03 CN CN201921025354.6U patent/CN210318409U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531063A (en) * | 2021-07-15 | 2021-10-22 | 南京华能冶金机械制造有限公司 | Gear reducer with adjustable speed reduction ratio structure |
| CN113531063B (en) * | 2021-07-15 | 2023-08-22 | 南京华能冶金机械制造有限公司 | Gear reducer with adjustable speed reduction ratio structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |