CN208153644U - A kind of dual planetary gear planetary reduction gear - Google Patents
A kind of dual planetary gear planetary reduction gear Download PDFInfo
- Publication number
- CN208153644U CN208153644U CN201820278244.XU CN201820278244U CN208153644U CN 208153644 U CN208153644 U CN 208153644U CN 201820278244 U CN201820278244 U CN 201820278244U CN 208153644 U CN208153644 U CN 208153644U
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- CN
- China
- Prior art keywords
- gear
- planetary
- planetary reduction
- welded
- reduction gear
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- 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.)
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Abstract
The utility model discloses a kind of dual planetary gear planetary reduction gears,Including planetary reduction gear fuselage,The first internal gear and secondary annulus are installed on the inner wall of the planetary reduction gear fuselage,First internal gear is located at the side of secondary annulus,And connecting rod is welded on the first side outer wall on internal gear far from secondary annulus,One end in the connecting rod far from the first internal gear is welded with turntable,Sun gear is installed at the center of inside position of the planetary reduction gear fuselage,The utility model passes through the first planetary gear and the symmetrically placed of the second planetary gear effectively balances the centrifugal force generated when the first planetary gear and the rotation of the second planetary gear,Reduce the shaking of planetary reduction gear,Guarantee the stabilization of planetary reduction gear power transmission,In addition,Since planetary gear does not need bearing and support rod,To reduce the weight and volume of planetary reduction gear,Different installation space demands is adapted to convenient for Micro-planetary Reducer,Production cost is effectively saved.
Description
Technical field
The utility model belongs to planetary reduction gear technical field, and in particular to a kind of dual planetary gear planetary reduction gear.
Background technique
The principle of planetary reduction gear is a kind of power transmission mechanism, using the velocity transducer of gear, by the revolution of motor
Number decelerates to desired winding number, and obtains the mechanism of larger torque, and the few gear of the number of teeth on planetary reduction gear transmission shaft is nibbled
The gear wheel on output shaft is closed to achieve the purpose that deceleration, the gear engagement that common speed reducer also has several pairs of same principles come
Reach ideal slowing effect, the ratio between the number of teeth of big pinion gear, is exactly transmission ratio.
In the Chinese patent that the patent No. is CN99202783.7, it is noted that without tie-rod 3K planetary reduction gear, there is transmission
Range is big, structure is simple, small in size, easy to assembly, efficiency is higher, is more easily implemented miniaturization and micromation, still, above-mentioned nothing
Tie-rod 3K planetary reduction gear be provided with a planetary gear, when input shaft rotating speed is higher, the revolving speed of planetary gear also can it is opposite compared with
Height will at this time generate biggish centrifugal force, planetary reduction gear is caused to shake, and the frictional force of planetary gear and internal gear is larger,
Frictional force is improved, loss has rotated and wears the gear teeth, reduces the service life, in addition, output shaft is difficult to the input terminal with equipment
It enters and leaves in concentricity, planetary reduction gear internal gear is be easy to cause to wear.
Utility model content
The purpose of this utility model is to provide a kind of dual planetary gear planetary reduction gears, to solve above-mentioned no tie-rod 3K planet
Retarder is easy to produce centrifugal force, wear planetary gear and the gear teeth and output shaft on internal gear and equipment input terminal be difficult to be located at it is same
Problem on heart degree position.
To achieve the above object, the utility model provides the following technical solutions：A kind of dual planetary gear planetary reduction gear, including
Planetary reduction gear fuselage, is equipped with the first internal gear and secondary annulus on the inner wall of the planetary reduction gear fuselage, and described
One internal gear is located at the side of secondary annulus, and the company of being welded on the side outer wall on the first internal gear far from secondary annulus
Extension bar, one end in the connecting rod far from the first internal gear are welded with turntable, the center of inside of the planetary reduction gear fuselage
Sun gear is installed at position, the sun gear is connected with the first planetary gear and the second planetary gear by gear teeth meshing, and described
One planetary gear is located at the side of the second planetary gear, and the first planetary gear and the second planetary gear engage connection with the first internal gear,
First planetary gear and the second planetary gear engage connection with secondary annulus.
Preferably, input shaft is welded on the side outer wall of the sun gear.
Preferably, ring flange has been bolted to connection on the side outer wall of the planetary reduction gear fuselage.
Preferably, it has been bolted to connection output shaft on the side outer wall on the turntable far from sun gear, it is described
Output shaft oil sealing is arranged on the outer wall of output shaft.
Preferably, one end on the output shaft far from turntable is welded with pipe sleeve, the one of separate output shaft on the pipe sleeve
End is welded with fixing seat, and being internally embedded for pipe sleeve is provided with handwheel hollow shaft.
Preferably, one end of the handwheel hollow shaft is welded with handwheel, and the other end is welded with bevel gear, the fixing seat
Inside is equipped with lead screw, and one end of the lead screw is welded with spur gear, and the spur gear is connect with bevel gear by gear teeth meshing,
There is arc movable plate by threaded engagement connection on the outer wall of the lead screw.
The utility model compared with prior art, has the advantages that：
(1) the utility model is provided with the first internal gear, secondary annulus, the first planetary gear, the second planetary gear and the sun
Wheel effectively balances the first planetary gear and the rotation of the second planetary gear by the first planetary gear and the symmetrically placed of the second planetary gear
When the centrifugal force that generates, reduce the shaking of planetary reduction gear, guarantee the stabilization of planetary reduction gear power transmission, in addition, due to row
Star-wheel does not need bearing and support rod, to reduce the weight and volume of planetary reduction gear, adapts to convenient for Micro-planetary Reducer
Different installation space demands, has effectively saved production cost.
(2) the utility model is provided with pipe sleeve, fixing seat, handwheel, lead screw, spur gear, bevel gear, arc movable plate and hand
Hollow shaft is taken turns, by the connection of engaging of bevel gear and spur gear, lead screw is connect with screwing for arc movable plate, and arc movable plate exists
It moves horizontally on lead screw, consequently facilitating the equipment input terminal of connection needed for output shaft is attached fixation, is effectively guaranteed
Output shaft and the input end of equipment guarantee the stabilization of output shaft, reduce the interior odontotripsis inside planetary reduction gear in concentricity,
Prolong the service life.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the pipe sleeve side view of the utility model；
Fig. 4 is partial structural diagram at A in Fig. 1 of the utility model；
In figure：1- connecting rod, 2- planetary reduction gear fuselage, the first internal gear of 3-, the first planetary gear of 4-, the second internal tooth of 5-
Wheel, 6- ring flange, 7- input shaft, 8- sun gear, the second planetary gear of 9-, 10- turntable, 11- output shaft oil sealing, 12- output shaft,
13- pipe sleeve, 14- fixing seat, 15- handwheel, 16- lead screw, 17- spur gear, 18- bevel gear, 19- arc movable plate, 20- handwheel are empty
Mandrel.
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.
Fig. 1-4 is please referred to, the utility model provides the following technical solutions：A kind of dual planetary gear planetary reduction gear, including row
Star retarder fuselage 2 is equipped with the first internal gear 3 and secondary annulus 5, the first internal tooth on the inner wall of planetary reduction gear fuselage 2
Wheel 3 is located at the side of secondary annulus 5, and is welded with connection on the side outer wall on the first internal gear 3 far from secondary annulus 5
Bar 1, one end in connecting rod 1 far from the first internal gear 3 are welded with turntable 10, the center of inside position of planetary reduction gear fuselage 2
Place is equipped with sun gear 8, and sun gear 8 is connected with the first planetary gear 4 and the second planetary gear 9, the first planetary gear 4 by gear teeth meshing
Positioned at the side of the second planetary gear 9, and the first planetary gear 4 and the second planetary gear 9 engage connection with the first internal gear 3, and first
Planetary gear 4 and the second planetary gear 9 engage connection with secondary annulus 5, are provided with bearing on 3 outer wall of the first internal gear, can be with
Rotation, when secondary annulus 5, are fixed, since the number of gears of the first internal gear 3 and secondary annulus 5 is different, work as the sun
When wheel 8 drives the first planetary gear 4 and the second planetary gear 9 to rotate, the first planetary gear 4 and the second planetary gear 9 are around 8 turns of sun gear
When dynamic, it also will drive the rotation of the first internal gear 3 so that turntable 10 be driven to rotate and pass through the first planetary gear 4 and the second planetary gear 9
It is symmetrically placed effectively balance the centrifugal force generated when the first planetary gear 4 and the second planetary gear 9 rotate, reduce planetary reduction gear
The shaking of device guarantees the stabilization of planetary reduction gear power transmission, in addition, since planetary gear does not need bearing and support rod, thus
The weight and volume for reducing planetary reduction gear, different installation space demands is adapted to convenient for Micro-planetary Reducer, effective to save
About production cost.
In the present embodiment, it is preferred that input shaft 7 is welded on the side outer wall of sun gear 8, by input shaft 7 by motor
Rotatory force pass to the gear set in planetary reduction gear.
In the present embodiment, it is preferred that be bolted to connection ring flange on the side outer wall of planetary reduction gear fuselage 2
6, it is convenient for by 6 one side of ring flange by the installation of planetary reduction gear fuselage 2, on the other hand guaranteeing can planetary reduction gear fuselage 2
The stability of installation reduces the deviation of concentricity.
In the present embodiment, it is preferred that be bolted to connection on the side outer wall on turntable 10 far from sun gear 8 defeated
Shaft 12 is arranged with output shaft oil sealing 11 on the outer wall of output shaft 12, is passed to the rotatory force after deceleration by output shaft 12
In required equipment, output shaft oil sealing 11 guarantees the rotation environment of output shaft 12, reduces frictional force.
In the present embodiment, it is preferred that one end on output shaft 12 far from turntable 10 is welded with pipe sleeve 13, separate on pipe sleeve 13
One end of output shaft 12 is welded with fixing seat 14, and being internally embedded for pipe sleeve 13 is provided with handwheel hollow shaft 20, passes through handwheel 15
It drives handwheel hollow shaft 20 to rotate, and then is rotated with dynamic bevel gear 18, guarantee that handwheel hollow shaft 20 is in independent by pipe sleeve 13
Space in, reduce output shaft 12 frictional impact.
In the present embodiment, it is preferred that one end of handwheel hollow shaft 20 is welded with handwheel 15, and the other end is welded with bevel gear
18, the inside of fixing seat 14 is equipped with lead screw 16, and one end of lead screw 16 is welded with spur gear 17, and spur gear 17 and bevel gear 18 are logical
It crosses gear teeth meshing to connect, has arc movable plate 19 by threaded engagement connection on the outer wall of lead screw 16, by bevel gear 18 and directly
The engagement of gear 17 connects, and lead screw 16 is connect with screwing for arc movable plate 19, and arc movable plate 19 is horizontal on lead screw 16 to be moved
It is dynamic, consequently facilitating the equipment input terminal of connection needed for output shaft 12 is attached fixation, be effectively guaranteed output shaft 12 with
The input end of equipment guarantees the stabilization of output shaft 12 in concentricity, reduces the interior odontotripsis inside planetary reduction gear, and extension makes
Use the service life.
The working principle and process for using of the utility model：When in use, planetary reduction gear fuselage 2 is passed through into ring flange 6
It is mounted on motor, when guaranteeing that input shaft 7 and machine shaft are in concentricity position, the bolt on ring flange 6 is tightened, by equipment
Input terminal insertion fixing seat 14 in, rotate handwheel 15, handwheel 15 by handwheel hollow shaft 20 with dynamic bevel gear 18 rotate, pass through
Bevel gear 18 connect with the engagement of spur gear 17, and lead screw 16 is connect with screwing for arc movable plate 19, and arc movable plate 19 is in silk
It is moved horizontally on thick stick 16, consequently facilitating the equipment input terminal of connection needed for output shaft 12 is attached fixation, when 7 turns of input shaft
When dynamic, input shaft 7 drives sun gear 8 to rotate, when sun gear 8 drives the first planetary gear 4 and the second planetary gear 9 rotates, first
When planetary gear 4 and the second planetary gear 9 are rotated around sun gear 8, the rotation of the first internal gear 3 also will drive, to drive turntable
10 rotations, turntable 10 drive output shaft 12 to rotate, and then guarantee the rotation of equipment input terminal.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of dual planetary gear planetary reduction gear, including planetary reduction gear fuselage (2), it is characterised in that：The planetary reduction gear
First internal gear (3) and secondary annulus (5) are installed, first internal gear (3) is located in second on the inner wall of fuselage (2)
The side of gear (5), and it is welded with connecting rod (1) on the side outer wall on the first internal gear (3) far from secondary annulus (5),
One end on the connecting rod (1) far from the first internal gear (3) is welded with turntable (10), the planetary reduction gear fuselage (2)
Be equipped at center of inside position sun gear (8), the sun gear (8) by gear teeth meshing be connected with the first planetary gear (4) and
Second planetary gear (9), first planetary gear (4) are located at the side of the second planetary gear (9), and the first planetary gear (4) and second
Planetary gear (9) engages connection with the first internal gear (3), first planetary gear (4) and the second planetary gear (9) with second in
Gear (5) engagement connection.
2. a kind of dual planetary gear planetary reduction gear according to claim 1, it is characterised in that：The one of the sun gear (8)
Input shaft (7) are welded on the outer wall of side.
3. a kind of dual planetary gear planetary reduction gear according to claim 1, it is characterised in that：The planetary reduction gear fuselage
(2) ring flange (6) have been bolted to connection on side outer wall.
4. a kind of dual planetary gear planetary reduction gear according to claim 1, it is characterised in that：It is separate on the turntable (10)
It has been bolted to connection on the side outer wall of sun gear (8) output shaft (12), has been arranged on the outer wall of the output shaft (12)
There are output shaft oil sealing (11).
5. a kind of dual planetary gear planetary reduction gear according to claim 4, it is characterised in that：It is remote on the output shaft (12)
One end from turntable (10) is welded with pipe sleeve (13), and one end on the pipe sleeve (13) far from output shaft (12) is welded with fixing seat
(14), and being internally embedded for pipe sleeve (13) is provided with handwheel hollow shaft (20).
6. a kind of dual planetary gear planetary reduction gear according to claim 5, it is characterised in that：The handwheel hollow shaft (20)
One end be welded with handwheel (15), the other end is welded with bevel gear (18), and the inside of the fixing seat (14) is equipped with lead screw
(16), one end of the lead screw (16) is welded with spur gear (17), and the spur gear (17) is nibbled with bevel gear (18) by the gear teeth
It closes and connects, have arc movable plate (19) by threaded engagement connection on the outer wall of the lead screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278244.XU CN208153644U (en) | 2018-02-27 | 2018-02-27 | A kind of dual planetary gear planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278244.XU CN208153644U (en) | 2018-02-27 | 2018-02-27 | A kind of dual planetary gear planetary reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153644U true CN208153644U (en) | 2018-11-27 |
Family
ID=64382909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820278244.XU Expired - Fee Related CN208153644U (en) | 2018-02-27 | 2018-02-27 | A kind of dual planetary gear planetary reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153644U (en) |
-
2018
- 2018-02-27 CN CN201820278244.XU patent/CN208153644U/en not_active Expired - Fee Related
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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: 20181127 Termination date: 20190227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |