CN201100373Y - Transmission device for planet motion stirring host - Google Patents
Transmission device for planet motion stirring host Download PDFInfo
- Publication number
- CN201100373Y CN201100373Y CNU2007201958920U CN200720195892U CN201100373Y CN 201100373 Y CN201100373 Y CN 201100373Y CN U2007201958920 U CNU2007201958920 U CN U2007201958920U CN 200720195892 U CN200720195892 U CN 200720195892U CN 201100373 Y CN201100373 Y CN 201100373Y
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- China
- Prior art keywords
- transmission device
- planetary
- gear
- speed reducer
- gear shaft
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Abstract
The utility model discloses a transmission device for a planetary motion type agitating main machine, which comprises a speed reducer fixedly mounted on the agitating main machine, wherein an input gear shaft of the speed reducer is driven by a driving device, a constant gear with external teeth is fixedly mounted on the speed reducer, an output gear shaft perpendicularly passes through a central through-hole of the constant gear, a rotary body is fixedly connected with the end and comprises a planetary gear meshed with the constant gear, a gear shaft of the planetary gear is pivoted in a shell body of the rotary body, and an agitating arm is arranged at the end. The above transmission device omits a planetary frame and the planetary gear pivoted on the planetary frame, the simple transmission of an external gear is used to replace the complex transmission caused by the meshing between a plurality of planetary gears and an internal gear, thereby achieving the planetary motion of the agitating arm, which not only simplifies the structure of the transmission device and enhances reliability, but also lowers the meshing precision requirement between gears, therefore, the cost in processing, manufacturing and maintaining is substantially lowered.
Description
Technical field
The utility model relates to a kind of transmission device, particularly a kind of transmission device of planetary motion type stirring host.
Background technique
At present, the planetary motion type stirring host has obtained using widely at expressway, high-speed railway and other building engineering fields.The rabble arm of planetary motion type stirring host carries out spinning motion in revolution, this is to the demands for higher performance of its transmission device.
Please refer to Fig. 1, Fig. 1 is the structural representation of planetary motion type stirring host transmission device in the prior art.
The transmission device of the planetary motion type stirring host in the prior art comprises revolution driving gear set and rotation driving gear set.
The driving wheel 12 of revolution driving gear set is driven by motor output shaft 11, and it meshes some planetary pinions 13 respectively; Planetary pinion 13 is installed in the planet carrier 14 of fixedlying connected with stirring host, and meshes with internal gear 15 simultaneously.Therefore motor output shaft 11 can drive internal gear 15 by planetary pinion 13, and it is rotated around motor output shaft 11, and the revolution body 10 of fixedlying connected with internal gear 15 is made revolution motion thereupon.
The driving wheel 16 of rotation driving gear set is driven by motor output shaft 11 equally, and it meshes and drive some followers 17 respectively.The gear shaft 18 of follower 17 is installed in revolution body 10, and its end is provided with rabble arm 19.
In the above-mentioned prior art, the revolution motion of revolution body 10 is the planetary pinions 13 that are installed in planet carrier 14 by some, drives internal gear 15 and realizes that its structure more complicated, operational reliability are not high.Simultaneously, owing to of driving wheel 12 engagements of some 13 needs whiles of planetary pinions with internal gear 15 and described revolution driving gear set, the a plurality of axis holes of the therefore requirement of the accuracy of mesh between each gear, planet carrier 14 and the tolerance grade of centre distance thereof require all higher, and this will significantly increase the manufacturing and the maintenance cost of this train.
Therefore, how to provide a kind of simple in structure, reliability is higher, and the transmission device of the lower planetary motion type stirring host of manufacturing and maintenance cost is the present technical issues that need to address of those skilled in the art.
The model utility content
The purpose of this utility model provide a kind of simple in structure, reliability is higher, and the transmission device of the lower planetary motion type stirring host of manufacturing and maintenance cost.
For solving the problems of the technologies described above, the utility model provides a kind of transmission device, is used for the planetary motion type stirring host, comprises the speed reducer that is fixedly installed in described stirring host, and its input gear shaft is driven by drive unit; Described speed reducer fixed installation has the fixed gear of external tooth, and its output gear shaft passes the central through bore of described fixed gear vertically, and its terminal fixedly connected solid of rotation; Described solid of rotation comprises the planetary pinion that is meshed with described fixed gear, and described planetary gear shaft is installed in the housing of described solid of rotation, and its terminal fixedly connected rabble arm.
Preferably, described speed reducer has three retarding stages.
Preferably, described planetary number is two, and both are that the center is provided with relatively symmetrically with described output gear shaft.
Preferably, described planetary number is one.
Preferably, the fixedly connected lateral frame of described planetary gear shaft, the fixedly connected a plurality of rabble arms of described lateral frame.
Preferably, the number of described rabble arm is 3.
Preferably, be provided with sealing configuration between described solid of rotation and the described speed reducer.
Preferably, described sealing configuration is a seal ring, and described seal ring is fixedlyed connected with described solid of rotation.
Preferably, described drive unit is a frequency modulation motor.
Preferably, described output gear shaft is connected by spline with described solid of rotation.
Relative above-mentioned background technology, the transmission device of planetary motion type stirring host provided by the utility model has omitted planet carrier and has been installed in planetary pinion on it, replaced complicated transmission with simple external gear transmission, and then realized the planetary motion of rabble arm by a plurality of planetary pinions and an internal gear engagement.Owing to the planetary pinion that has omitted planet carrier and adorned with its pivot, not only simplified the structure of transmission device, improve reliability, and reduced the accuracy of mesh requirement between each gear, therefore significantly reduced manufacturing and maintenance cost.
Description of drawings
Fig. 1 is the structural representation of planetary motion type stirring host transmission device in the prior art;
Fig. 2 is the structural representation of a kind of embodiment of planetary motion type stirring host transmission device described in the utility model;
Fig. 3 is the structural representation of fixed gear described in the utility model and a kind of set-up mode of output gear shaft;
Fig. 4 is the structural representation of output gear shaft described in the utility model and a kind of set-up mode of solid of rotation;
Fig. 5 is the partial enlarged drawing at A position among Fig. 4.
Embodiment
The utility model core provide a kind of simple in structure, reliability is higher, and the transmission device of the lower planetary motion type stirring host of manufacturing and maintenance cost.
In order to make those skilled in the art understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of embodiment of planetary motion type stirring host transmission device described in the utility model.
The transmission device of described planetary motion type stirring host comprises speed reducer 21, and speed reducer 21 is by the support fixed support that is arranged on the described stirring host housing.
The fixedly connected vertical shaft motor 22 as drive unit of the housing of speed reducer 21, both Placements specifically can be that flange connects, and can certainly be other conventional Placements.
Adjust the rotating speed of rabble arm 25 for convenience, effectively, to satisfy the rotating speed requirement that different agitation phases differ greatly, vertical shaft motor 22 further can adopt frequency modulation motor.
The input gear shaft 214 of speed reducer 21 can rotate under the driving of vertical shaft motor 22 output shafts, and both can adopt key to connect.
As shown in Figure 2, speed reducer 21 comprises one-level reduction gear axle 211, double-reduction gear axle 212 and output gear shaft 213.One-level reduction gear axle 211, double-reduction gear axle 212 all are installed between the last lower shell body of speed reducer 21; The top of output gear shaft 213 is installed in the upper shell of speed reducer 21.
The input gear shaft 214 of speed reducer 21, one-level reduction gear axle 211, double-reduction gear axle 212 and output gear shaft 213 pass through intermeshing successively speed change gear and realize gearing down.Specific implementation repeats no more.
As shown in Figure 2, speed reducer 21 has adopted three grades of decelerations in this embodiment, with the reduction speed ratio that obtains to suit.Obviously, also can correspondingly adjust its step of reduction according to concrete applied environment.
Please also refer to Fig. 3, Fig. 3 is the structural representation of fixed gear described in the utility model and a kind of set-up mode of output gear shaft.
Speed reducer 21 fixed installation fixed gears 23, its outer side surface has the external tooth (not shown), and both can be fixedly connected in the mode of routine, such as the bottom surface that fixed gear 23 can be welded in speed reducer 21 lower shell bodys.
For the installation and maintenance convenience, can fixed gear 23 be fixedly installed in the lower shell body of speed reducer 21 by adpting flange 28.As shown in Figure 3, between adpting flange 28 and the fixed gear 23, and all achieve a fixed connection between the lower shell body of adpting flange 28 and speed reducer 21 by some bolts.
Fixed gear 23 has a central through bore, and the internal diameter of described central through bore should be greater than the external diameter of the output gear shaft 213 of speed reducer 21, and therefore the output gear shaft 213 of speed reducer 21 passes described central through bore and therefrom stretch out.
As mentioned above, the upper end of speed reducer 21 output gear shafts 213 is installed in the upper shell of speed reducer 21, and the lower shell body of speed reducer 21 is stretched out in its lower end.Can between the lower shell body of speed reducer 21 and output gear shaft 213, bearing 27 be set further, to guarantee that output gear shaft 213 rotates reposefully.
Please also refer to Fig. 4, Fig. 4 is the structural representation of output gear shaft described in the utility model and a kind of set-up mode of solid of rotation.
The below of speed reducer 21 is provided with solid of rotation 24, and solid of rotation 24 can be under the drive of speed reducer 21 output gear shafts 213 is the center rotation with described output gear shaft 213.
Particularly, the lower end of speed reducer 21 output gear shafts 213 is provided with spline, and corresponding position, solid of rotation 24 bottoms is provided with internal spline with matching, and therefore both realize that spline connects, and solid of rotation 24 can be by speed reducer 21 output gear shafts 213 rotary driving.
Simultaneously, the lower surface of solid of rotation 24 is stretched out in the lower end of speed reducer 21 output gear shafts 213, and this part of stretching out is provided with outside thread, and obviously, described externally threaded position is lower than described spline.Therefore, output gear shaft 213 can further be fixed both in the vertical directions by nut 29 with after solid of rotation 24 splines are connected, and makes solid of rotation 24 hang on speed reducer 21 belows.
Between nut 29 and solid of rotation 24 bottom surfaces packing ring is set preferably.
As shown in Figure 2, solid of rotation 24 further comprises planetary pinion 241, and the external tooth of planetary pinion 241 is meshed with the external tooth of fixed gear 23, and the gear shaft of planetary pinion 241 is installed between the upper and lower casing of solid of rotation 24.The rabble arm 25 of the fixedly connected stirring host in lower end of the gear shaft of planetary pinion 241.
The transmission device of the planetary motion type stirring host that above-mentioned specific embodiment provided has omitted planet carrier and has been installed in planetary pinion on it, replaced complicated transmission with simple external gear transmission, and then realized the planetary motion of rabble arm by a plurality of planetary pinions and an internal gear engagement.Owing to the planetary pinion that has omitted planet carrier and adorned with its pivot, not only simplified the structure of transmission device, improve reliability, and reduced the accuracy of mesh requirement between each gear, therefore significantly reduced manufacturing and maintenance cost.
In order to obtain better mixing effect, can simultaneously a plurality of rabble arms 25 be fixedlyed connected with the gear shaft of planetary pinion 241.Particularly, the lateral frame of fixedlying connected with the gear shaft of planetary pinion 241 can be set, and a plurality of rabble arms 25 are fixedlyed connected with described lateral frame.
The number of above-mentioned a plurality of rabble arm 25 specifically can be three.
Above-mentioned a plurality of rabble arm 25 preferably is provided with symmetrically about the gear shaft of planetary pinion 241, when its number is 3, promptly is in 120 degree angles between the rabble arm 25.The rotation radius of above-mentioned a plurality of rabble arm 25 preferably also equates.Certainly, rabble arm 25 is provided with or its rotation radius is unequal also can realize the purpose of this utility model asymmetricly.
Please refer to Fig. 5, Fig. 5 is the partial enlarged drawing at A position among Fig. 4.
Oil leakage in solid of rotation 24 and the speed reducer 21, and enter solid of rotation 24 and speed reducer 21 inside for fear of extraneous dust, can between solid of rotation 24 and speed reducer 21, sealing configuration be set further.
Described sealing configuration specifically can be a seal ring 261, and seal ring 261 and can be made by rubber and other elastic materials between solid of rotation 24 upper shells and speed reducer 21 lower shell bodys.
As shown in Figure 5, seal ring 261 is fixedlyed connected with solid of rotation 24 upper shells by pressing plate 262 and hold-down bolt 263, and solid of rotation 24 can drive seal ring 261 and rotate with respect to speed reducer 21.
In order to strengthen sealing effect, can lock ring spring 264 be set in seal ring 261 further, make the seal ring 261 and the surface of contact of speed reducer 21 fit more closely.Simultaneously, can also be in the surface of contact coating lubricating oil of seal ring 261, to prolong its working life with speed reducer 21.
It is to be noted, though speed reducer 21 and vertical shaft motor 22 are the tops that are arranged at solid of rotation 24 in the above-mentioned specific embodiment, but obviously speed reducer 21 and vertical shaft motor 22 also can be arranged at the below of solid of rotation 24, only need that above-mentioned reducing gear is made corresponding adjustment this moment and get final product, its principle there is no the material change.Specific implementation repeats no more.
More than the transmission device of a kind of planetary motion type stirring host provided by the utility model is described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1, a kind of transmission device is used for the planetary motion type stirring host, it is characterized in that, comprises the speed reducer that is fixedly installed in described stirring host, and its input gear shaft is driven by drive unit; Described speed reducer fixed installation has the fixed gear of external tooth, and its output gear shaft passes the central through bore of described fixed gear vertically, and its terminal fixedly connected solid of rotation; Described solid of rotation comprises the planetary pinion that is meshed with described fixed gear, and described planetary gear shaft is installed in the housing of described solid of rotation, and its terminal fixedly connected rabble arm.
2, transmission device according to claim 1 is characterized in that, described speed reducer has three retarding stages.
3, transmission device according to claim 1 and 2 is characterized in that, described planetary number is two, and both are that the center is provided with relatively symmetrically with described output gear shaft.
4, transmission device according to claim 1 and 2 is characterized in that, described planetary number is one.
5, transmission device according to claim 4 is characterized in that, the fixedly connected lateral frame of described planetary gear shaft, the fixedly connected a plurality of rabble arms of described lateral frame.
6, transmission device according to claim 5 is characterized in that, the number of described rabble arm is 3.
7, transmission device according to claim 1 is characterized in that, is provided with sealing configuration between described solid of rotation and the described speed reducer.
8, transmission device according to claim 7 is characterized in that, described sealing configuration is a seal ring, and described seal ring is fixedlyed connected with described solid of rotation.
9, transmission device according to claim 1 is characterized in that, described drive unit is a frequency modulation motor.
10, transmission device according to claim 1 is characterized in that, described output gear shaft is connected by spline with described solid of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201958920U CN201100373Y (en) | 2007-10-31 | 2007-10-31 | Transmission device for planet motion stirring host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201958920U CN201100373Y (en) | 2007-10-31 | 2007-10-31 | Transmission device for planet motion stirring host |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100373Y true CN201100373Y (en) | 2008-08-13 |
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ID=39936907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201958920U Expired - Fee Related CN201100373Y (en) | 2007-10-31 | 2007-10-31 | Transmission device for planet motion stirring host |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100373Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785146A (en) * | 2015-04-02 | 2015-07-22 | 泸州职业技术学院 | Material mixer |
-
2007
- 2007-10-31 CN CNU2007201958920U patent/CN201100373Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785146A (en) * | 2015-04-02 | 2015-07-22 | 泸州职业技术学院 | Material mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20161031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |