CN208397259U - A kind of miniature steering engine transmission mechanism - Google Patents
A kind of miniature steering engine transmission mechanism Download PDFInfo
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- CN208397259U CN208397259U CN201821046343.1U CN201821046343U CN208397259U CN 208397259 U CN208397259 U CN 208397259U CN 201821046343 U CN201821046343 U CN 201821046343U CN 208397259 U CN208397259 U CN 208397259U
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- roller box
- tooth roller
- commutating tooth
- countershaft
- steering engine
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Abstract
The utility model discloses a kind of miniature steering engine transmission mechanism, it is related to steering engine technical field, including motor, commutating tooth roller box, epicyclic gearbox, synchronous transmission device and countershaft, the output shaft of the motor is connect with the input part of the commutating tooth roller box, the output block of the commutating tooth roller box is connect with the input part of the epicyclic gearbox, the output shaft of the epicyclic gearbox is connect by synchronous transmission device with one end of the countershaft, the other end of the countershaft is provided with the first encoder, and the tailing axle of the motor is equipped with second encoder.The miniature steering engine transmission mechanism of the utility model, compact-sized, load is big, and the service life is long, and rotating accuracy is high.
Description
Technical field
The utility model relates to steering engine technical fields, more particularly to a kind of miniature steering engine transmission mechanism.
Background technique
International and domestic more and more for the demand of manual intelligent, robot industry just gradually develops, for high-performance
Steering engine demand it is increasingly vigorous, it is also more and more for the demand of high performance steering engine gear-box accordingly.Current steering engine
Gear-box is divided into GENERAL TYPE and miniature by outer dimension.The transmission mechanism of GENERAL TYPE is preferably at most RV planet, harmonic planet transmission etc.,
Average diameters are greater than 50mm, and wherein the product performance index of high-quality is able to satisfy industrial production needs substantially.But with technology
Development, people are more urgent for the steering engine demand of various small sizes.
Miniature transmission mechanism is precisely in order to meeting all kinds of small-sized Mini-type intelligent devices and producing.Since the whole world is miniature at present
The rotating accuracy of epicyclic gearbox (diameter is less than 45mm) is not carried out generally, including some esbablished corporations such as American-European-Japanese are in this respect
All be weak, thus existing miniature steering engine transmission mechanism all with spur pinion be driven based on (some pairs of required precisions are not high
Except).In order to reach high rotating accuracy, reduce running clearance typically now at afterbody, gear abrasion is tight when leading to work
Weight, transmission efficiency is low, and noise is big, will wear after loaded work piece a few houres and lose precision.And the load that commutating tooth roller box is intrinsic
Relatively small, service life relatively short defect not can avoid.So to be commonly used in toys of less demanding for existing miniature steering engine
Field can manage it, and use medical treatment, and the fields such as industry are then obvious inadequate.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of miniature steering engine transmission mechanism, compact-sized, load
Greatly, the service life is long, and rotating accuracy is high.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of miniature steering engine transmission mechanism, including motor, commutating tooth roller box, epicyclic gearbox, synchronization
Transmission device and countershaft, the output shaft of the motor are connect with the input part of the commutating tooth roller box, the commutating tooth roller box it is defeated
Component is connect with the input part of the epicyclic gearbox out, the output shaft of the epicyclic gearbox by synchronous transmission device with
One end of the countershaft connects, and the other end of the countershaft is provided with the first encoder, and the tailing axle of the motor is equipped with second
Encoder.
Preferably, the input part of the commutating tooth roller box be positive gear-box starting gear, the output section of the commutating tooth roller box
Part is positive gearbox output shaft, and the input part of the epicyclic gearbox is sun gear, and the commutating tooth roller box output shaft passes through
Cog-wheel coupling is connect with the sun gear.
Preferably, the motor and the epicyclic gearbox are set to the same side of the commutating tooth roller box.
Preferably, the countershaft is set among the motor and the epicyclic gearbox, the countershaft pass through it is described just
It is stretched out on gear-box and by the side of the commutating tooth roller box, one end that the countershaft stretches out the commutating tooth roller box is equipped with described the
One encoder.
Preferably, it is arranged with bearing outside the countershaft, the bearing is installed on the commutating tooth roller box by bearing block.
Preferably, the synchronous transmission device is zero back clearance gear pair.
Preferably, the synchronous transmission device includes synchronous belt and two synchronous pulleys, two synchronous pulley difference
It is installed on the output shaft of the epicyclic gearbox on the countershaft, two synchronous pulleys are connected by the synchronous belt
It connects.
The utility model achieves following technical effect compared with the existing technology:
1, the miniature steering engine transmission mechanism of the utility model, can by the mixing gear-box of commutating tooth roller box and epicyclic gearbox
Effectively to utilize space, power is transmitted by epicyclic gearbox, since epicyclic gearbox has the spy that load is big and the service life is long
Point, and then improve the load capacity of transmission mechanism and prolong the service life.
2, the output shaft of the miniature steering engine transmission mechanism of the utility model, epicyclic gearbox passes through synchronous transmission device and pair
Axis connection so that the revolving speed the accurate transmission of the output shaft of epicyclic gearbox is to countershaft, meanwhile, the subsequent second encoder of motor and
A closed-loop control is formed between the first encoder on countershaft, and then improves the rotating accuracy of miniature steering engine, it can when making its work
It is accurately positioned with realizing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of miniature steering engine transmission mechanism in the prior art；
Fig. 2 is the structural schematic diagram of the miniature steering engine transmission mechanism of the utility model.
Description of symbols: 1, motor；2, commutating tooth roller box；3, epicyclic gearbox；4, countershaft；5, zero back clearance gear pair；6,
First encoder；7, second encoder；8, third encoder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Fig. 2, the present embodiment provides a kind of miniature steering engine transmission mechanism, including motor 1, commutating tooth roller box 2, planet tooth
The output shaft of roller box 3, synchronous transmission device and countershaft 4, motor 1 is connect with the input part of commutating tooth roller box 2, commutating tooth roller box 2
Output block is connect with the input part of epicyclic gearbox 3, and the output shaft of epicyclic gearbox 3 passes through synchronous transmission device and countershaft
4 one end connection, the other end of countershaft 4 are provided with the first encoder 6, and the tailing axle of motor 1 is equipped with second encoder 7.
The input part of commutating tooth roller box 2 is positive gear-box starting gear, and the output block of commutating tooth roller box 2 gear-box that is positive is defeated
Shaft, the input part of epicyclic gearbox 3 are sun gear, and commutating tooth roller box output shaft is connected by cog-wheel coupling and sun gear
It connects.
In order to make full use of the useful space, so that transmission mechanism is compact-sized, motor 1 and epicyclic gearbox 3 are set to
The same side of commutating tooth roller box 2, and countershaft 4 is set among motor 1 and epicyclic gearbox 3, countershaft 4 passes through on commutating tooth roller box 2
And stretched out by the side of commutating tooth roller box 2, one end that countershaft 4 stretches out commutating tooth roller box 2 is equipped with the first encoder 6.Specifically, countershaft
It is arranged with bearing outside 4, bearing is installed on commutating tooth roller box 2 by bearing block.
In this specific embodiment, in order to enable the revolving speed the accurate transmission of the output shaft of epicyclic gearbox 3 is to countershaft 4, together
Step transmission device is set as zero back clearance gear pair 5, since the output shaft of epicyclic gearbox 3 passes to countershaft 4 by gear pair
As long as power drives coding disk or magnet ring rotation on the first encoder 6, and coding disk and magnet ring weight only have several grams, planet tooth
The revolving speed of the output shaft of roller box 3 is the revolving speed after motor 1 is slowed down by reduction gearbox, uses to obtain more miniature steering engine speed ratio now
1000,1 revolving speed of motor is 12000rpm, and the revolving speed of the output shaft of epicyclic gearbox 3 is 12rpm, in this way, driving coding disk or magnetic
The rotation torque of ring is about 0.028g.cm, and the torque that the output shaft relative to epicyclic gearbox 3 exports can be ignored, in this way
Torque and revolving speed act on zero back clearance gear pair 5, the service life of zero back clearance gear pair 5 is not almost influenced and noise is avoided to ask
Topic.
In another embodiment, synchronous transmission device includes synchronous belt and two synchronous pulleys, two synchronous pulley difference
It is installed on the output shaft of epicyclic gearbox 3 on countershaft 4, two synchronous pulleys pass through synchronous band connection.As long as being adjusted when use
The elastic transmission that can be just acted in agreement of whole synchronous belt, can be by the revolving speed the accurate transmission of the output shaft of epicyclic gearbox 3
To countershaft 4, effect is better than zero back clearance gear pair 5.
As shown in Figure 1, miniature steering engine transmission mechanism includes motor 1, commutating tooth roller box 2 and third encoder 8 in the prior art,
The output shaft of motor 1 is connect with commutating tooth roller box 2, and the other end of the output shaft of commutating tooth roller box 2 is equipped with third encoder 8.In order to
It can be accurately positioned, commutating tooth roller box 2 is needed to reach high rotating accuracy, reduce running clearance typically now at afterbody, only
Afterbody does zero sideshake, so that accuracy is inadequate, meanwhile, carry big on output shaft, gear abrasion is serious when leading to work, passes
Efficiency of movement is low, and noise is big.
Compared with existing miniature steering engine transmission mechanism, miniature steering engine transmission mechanism in the present embodiment passes through spur gear
The mixing gear-box of case 2 and epicyclic gearbox 3 can effectively utilize space, power be transmitted by epicyclic gearbox 3, due to row
Star gear-box 3 has the characteristics that load is big and the service life is long, and then improves the load capacity of transmission mechanism and prolong the service life.Into
One step, the output shaft of epicyclic gearbox 3 is connect by synchronous transmission device with countershaft 4, so that the output shaft of epicyclic gearbox 3
Revolving speed the accurate transmission to countershaft 4, meanwhile, formed between the first encoder 6 in the subsequent second encoder 7 of motor 1 and countershaft 4
One closed-loop control, when 1 forward and reverse rotation of motor, can read the first encoder 6 on countershaft 4 has motor 1 before reading
On second encoder 7 reading, as backlash precision to compensate in control, and then improves returning for miniature steering engine
Turn precision, makes to may be implemented to be accurately positioned when its work.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. a kind of miniature steering engine transmission mechanism, which is characterized in that including motor, commutating tooth roller box, epicyclic gearbox, Synchronous Transmission dress
It sets and countershaft, the output shaft of the motor is connect with the input part of the commutating tooth roller box, the output block of the commutating tooth roller box
It is connect with the input part of the epicyclic gearbox, the output shaft of the epicyclic gearbox passes through synchronous transmission device and the pair
One end of axis connects, and the other end of the countershaft is provided with the first encoder, and the tailing axle of the motor is equipped with second encoder.
2. miniature steering engine transmission mechanism according to claim 1, which is characterized in that the input part of the commutating tooth roller box is
Commutating tooth roller box is started to walk gear, and the output block of the commutating tooth roller box is positive gearbox output shaft, the input of the epicyclic gearbox
Component is sun gear, and the commutating tooth roller box output shaft is connect by cog-wheel coupling with the sun gear.
3. miniature steering engine transmission mechanism according to claim 1, which is characterized in that the motor and the epicyclic gearbox
It is set to the same side of the commutating tooth roller box.
4. miniature steering engine transmission mechanism according to claim 3, which is characterized in that the countershaft be set to the motor with
Among the epicyclic gearbox, the countershaft is passed through on the commutating tooth roller box and is stretched out by the side of the commutating tooth roller box, described
One end that countershaft stretches out the commutating tooth roller box is equipped with first encoder.
5. miniature steering engine transmission mechanism according to claim 4, which is characterized in that be arranged with bearing outside the countershaft, institute
Bearing is stated to be installed on the commutating tooth roller box by bearing block.
6. miniature steering engine transmission mechanism according to claim 1, which is characterized in that the synchronous transmission device is zero back clearance
Gear pair.
7. miniature steering engine transmission mechanism according to claim 1, which is characterized in that the synchronous transmission device includes synchronizing
Band and two synchronous pulleys, two synchronous pulleys are respectively arranged on the output shaft of the epicyclic gearbox and the countershaft
On, two synchronous pulleys pass through the synchronous band connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046343.1U CN208397259U (en) | 2018-07-03 | 2018-07-03 | A kind of miniature steering engine transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046343.1U CN208397259U (en) | 2018-07-03 | 2018-07-03 | A kind of miniature steering engine transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397259U true CN208397259U (en) | 2019-01-18 |
Family
ID=65131019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821046343.1U Active CN208397259U (en) | 2018-07-03 | 2018-07-03 | A kind of miniature steering engine transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397259U (en) |
-
2018
- 2018-07-03 CN CN201821046343.1U patent/CN208397259U/en active Active
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