CN213117409U - Synchronous pin tooth transmission speed reducer - Google Patents
Synchronous pin tooth transmission speed reducer Download PDFInfo
- Publication number
- CN213117409U CN213117409U CN202021755894.2U CN202021755894U CN213117409U CN 213117409 U CN213117409 U CN 213117409U CN 202021755894 U CN202021755894 U CN 202021755894U CN 213117409 U CN213117409 U CN 213117409U
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- gear
- planet carrier
- worm
- worm wheel
- machine body
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 15
- 239000003921 oil Substances 0.000 description 9
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The utility model relates to a synchronous pin tooth transmission speed reducer, it includes the organism, is provided with intermeshing's worm and worm wheel in the organism, and the side of organism is stretched out to the one end of worm to rotate with the organism and be connected, the worm wheel rotates with the organism to be connected, and the worm wheel is coaxial to be provided with two speed reduction subassemblies, and two speed reduction subassembly symmetries set up in the both sides of worm wheel axis direction, all are provided with output gear on two speed reduction subassemblies. This application has the effect of realizing two output synchronous drive's function.
Description
Technical Field
The application relates to the field of speed reducers, in particular to a synchronous pin tooth transmission speed reducer.
Background
The speed reducer is an independent component formed by gear transmission, worm transmission and other modes enclosed in a rigid shell, is usually used as a speed reduction transmission device between a prime mover and a working machine, and plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine.
The speed reduction structure in the existing speed reducer comprises an input end and an output end, a transmission structure which plays a role in speed reduction is arranged between the input end and the output end, when the input end rotates, the output end rotates under the action of the transmission structure, and the rotating speed of the output end is smaller than that of the input end.
In view of the above-mentioned related art, the inventor believes that the speed reducer can only be used in a situation where two output ends are required to rotate synchronously, and generally two speed reducing structures are adopted in some situations where two output ends are required to rotate synchronously, which not only makes the structure of the speed reducer complicated, but also cannot ensure the synchronism of the two output ends.
SUMMERY OF THE UTILITY MODEL
In order to realize the function of two output synchronous drive, this application provides a synchronous round pin tooth transmission speed reducer.
The application provides a synchronous round pin tooth transmission speed reducer adopts following technical scheme:
the utility model provides a synchronous round pin tooth transmission speed reducer, includes the organism, is provided with intermeshing's worm and worm wheel in the organism, and the side of organism is stretched out to the one end of worm to rotate with the organism and be connected, the worm wheel rotates with the organism to be connected, and the worm wheel is coaxial to be provided with two speed reduction subassemblies, and two speed reduction subassembly symmetries set up in the both sides of worm wheel axis direction, all are provided with output gear on two speed reduction subassemblies.
Through adopting above-mentioned technical scheme, during the use, the worm drives the worm wheel and rotates in the organism to make the worm wheel drive two output gear synchronous rotations through two speed reduction subassemblies simultaneously, and play the deceleration effect simultaneously to two output gear, not only make the simple structure of speed reducer, and realized that the worm wheel drives two output gear synchronous transmission's function, made the speed reducer can be applicable to two output synchronous pivoted occasions.
Preferably, the speed reduction subassembly includes sun gear, the planet wheel, planet carrier and ring gear, sun gear and the coaxial fixed of worm wheel, the coaxial cover of ring gear is established on the sun gear, and with organism fixed connection, the planet wheel sets up between sun gear and ring gear, and planet wheel and sun gear, the ring gear is all meshed, the planet wheel evenly is provided with a plurality ofly along the circumference of sun gear, the planet carrier is with the coaxial setting of sun gear, the planet wheel rotates with the planet carrier to be connected, the planet carrier is kept away from the one end of turbine and is stretched out the side of organism, and rotate with the organism and be connected, the coaxial fixing of output gear is on the planet carrier.
Through adopting above-mentioned technical scheme, when the worm wheel rotates, can drive the sun gear on two sets of speed reduction subassemblies simultaneously and rotate, because planet wheel and sun gear, the ring gear is all meshed, the sun gear can drive the planet wheel and take place the revolution around the axis of sun gear between sun gear and ring gear, and drive the axis of planet carrier round sun gear and rotate in the organism, make the planet wheel take place the rotation around the axis of planet wheel on the planet carrier simultaneously, after the sun gear rotates a plurality of weeks, the planet wheel just can drive the planet carrier and rotate a week around the axis of sun gear, and make the planet carrier drive output gear rotate a week, thereby realize the deceleration to transmission process between turbine and the output gear.
Preferably, the planet carrier is coaxially sleeved with a shaft sleeve, the planet carrier and the shaft sleeve are in clearance fit, and the shaft sleeve is rotatably connected with the machine body.
Through adopting above-mentioned technical scheme, adopt interference fit between planet carrier and the axle sleeve, can make and stably connect between planet carrier and the axle sleeve, avoid taking place relative rotation between planet carrier and the axle sleeve, reduced the wearing and tearing that produce the planet carrier.
Preferably, a sealing ring is arranged between one end of the planet carrier, which extends out of the machine body, and the sealing ring is fixedly arranged on the machine body and is abutted against the planet carrier.
Through adopting above-mentioned technical scheme, set up the sealing washer between planet carrier and organism, not only can play sealed effect between organism and the planet carrier, but also can avoid the planet carrier to rotate the in-process and bump with the organism, reduced the vibration and the noise that produce in the speed reducer use, improved the installation stability of speed reducer.
Preferably, a driving gear is coaxially embedded in the worm gear, and the driving gear is meshed with the worm gear and fixedly connected with the sun gear.
Through adopting above-mentioned technical scheme, set up drive gear in the worm wheel, when the worm wheel rotated, because worm wheel and drive gear intermeshing, the worm wheel can drive the coaxial rotation of drive gear to make drive gear drive the sun gear and take place to rotate, thereby under the drive effect of realizing that the worm wheel rotates the process to the sun gear, avoid sun gear and worm wheel snap-on, make the sun gear can take place certain floating at the transmission in-process with the planet wheel, and be used for overcoming manufacturing error.
Preferably, drive gear is provided with two, and respectively with two last sun gear fixed connection of speed reduction unit, the one end that two drive gears are close to each other all is fixed and is provided with first bulb, and the inseparable butt in first bulb on two drive gears, the one end that the worm wheel was kept away from to the sun gear is fixed and is provided with the second bulb, the inseparable butt of second bulb and planet carrier.
Through adopting above-mentioned technical scheme, set up two drive gears in the turbine, take place to float when one of them sun gear at the transmission in-process, the sun gear can drive rather than fixed drive gear and first ball top and take place the displacement, avoids driving another sun gear and drive gear dislocation to appear, makes each other not influence between the sun gear on two sets of speed reduction unit. Set up first dome between two drive gears, make the inseparable butt of two first domes, not only can play the supporting role to drive gear, improve drive gear's stability, also can reduce the area of contact between two drive gears to the resistance of sun gear floating process has been reduced. Set up the second ball top between sun gear and planet carrier, make second ball top and planet carrier butt, make the planet carrier can play certain support and limiting displacement to the sun gear, the stability of sun gear has been improved, reduce the area of contact between sun gear and the planet carrier as far as simultaneously, reduce the resistance of sun gear floating process, make the atress of sun gear more even and balanced, avoid the sun gear to take place to incline at the process axis that floats, make the floating process of sun gear more stable.
Preferably, an oil filling hole is formed in the top of the machine body and located above the turbine and the worm, and a blocking cover is arranged on the upper cover of the oil filling hole.
Through adopting above-mentioned technical scheme, calorie s and oil filler point on the organism can be through pouring into lubricating oil between the oil filler point to worm wheel and worm, ensure the lubricated degree of worm wheel and worm transmission process, reduce the transmission resistance.
Preferably, the output gear and the planet carrier adopt clearance fit.
By adopting the technical scheme, the output gear and the planet carrier are in interference fit, stable connection between the output gear and the planet carrier can be guaranteed, relative rotation between the output gear and the planet carrier is avoided, and the degree of abrasion of the output gear and the planet carrier in the transmission process is reduced.
Preferably, the output gear is connected with the planet carrier through a spline.
Through adopting above-mentioned technical scheme, through splined connection between output gear and the planet carrier, further prevent that output gear and planet carrier from taking place relative rotation, improved the installation stability between output gear and the meeting planet carrier and the stability of transmission process.
Preferably, a first bearing is fixedly arranged between the machine body and the worm wheel.
Through adopting above-mentioned technical scheme, set up first bearing between organism and worm wheel, can reduce the worm wheel and rotate the frictional force of in-process on the organism, make the rotation process of worm wheel more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
two groups of speed reducing assemblies are symmetrically arranged on two sides of the worm wheel, and output gears are arranged on the two groups of speed reducing assemblies, so that the worm wheel drives the two output gears to synchronously rotate through the two speed reducing assemblies, and the two output gears simultaneously play a speed reducing role, and the function that the worm wheel drives the two output gears to synchronously transmit is realized;
through the arrangement of the speed reduction assembly, the worm wheel drives the sun wheel to rotate, and drives the planet wheel and the planet carrier to rotate around the axis of the sun wheel in the machine body, and simultaneously drives the output gear to rotate, so that the speed reduction effect on the transmission process between the worm wheel and the output gear is realized;
by arranging the sealing ring, not only can the sealing effect be realized between the machine body and the planet carrier, but also the vibration and the noise generated in the using process of the speed reducer are reduced;
through set up drive gear in the worm wheel, avoid sun gear and worm wheel direct fixation, make the sun gear can take place certain float with the transmission of planet wheel in-process to be used for overcoming manufacturing error.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Description of reference numerals: 1. a body; 11. a first bearing; 12. a first bearing housing; 13. an oil filler hole; 14. a blocking cover; 15. a seal ring; 16. an end cap; 2. a worm; 3. a worm gear; 4. a speed reduction assembly; 41. a sun gear; 411. a second dome; 42. a planet wheel; 43. a planet carrier; 431. a fixed shaft; 432. a second bearing; 433. a shaft sleeve; 44. a ring gear; 5. an output gear; 51. a spline; 6. a drive gear; 61. a first ball top.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses synchronous pin tooth transmission speed reducer. Referring to fig. 1, the synchronous pin tooth transmission speed reducer comprises a machine body 1, wherein a worm 2 and a worm wheel 3 which are meshed with each other are arranged in the machine body 1, two groups of speed reducing assemblies 4 are symmetrically arranged on two sides of the worm wheel 3, and output gears 5 are connected to the speed reducing assemblies 4.
Referring to fig. 1, the axial directions of the worm 2 and the worm wheel 3 are both arranged along the horizontal direction, the axial direction of the worm 2 is perpendicular to the axial direction of the worm wheel 3, the worm 2 is arranged above the worm wheel 3, one end of the worm 2 extends out of the side surface of the machine body 1 and is rotatably connected with the machine body 1, the worm wheel 3 is rotatably connected with the machine body 1, two first bearings 11 are fixedly arranged in the machine body 1 and respectively located between the two ends of the axial direction of the worm wheel 3 and the machine body 1, and a first bearing 11 is fixedly arranged between the first bearing 11 and the worm wheel 3.
During the use, worm 2 drives worm wheel 3 and rotates on first bearing 11 seat, makes worm wheel 3 drive two output gear 5 synchronous rotations through two speed reduction unit 4 simultaneously to play the deceleration effect simultaneously to two output gear 5, thereby realized that worm wheel 3 drives two output gear 5 synchronous transmission's function.
Referring to fig. 1, an oil filling hole 13 is formed at the top of the machine body 1, the oil filling hole 13 is located above the worm wheel and the worm 2, and a blocking cover 14 is covered on the oil filling hole 13. After the speed reducer is used for a long time, lubricating oil can be injected between the worm wheel 3 and the worm 2 through the oil filling hole 13, so that the lubricating degree of the transmission process of the worm wheel 3 and the worm 2 is ensured, and the transmission resistance is reduced.
Referring to fig. 1, the speed reduction assembly 4 includes a sun gear 41, planet gears 42, a planet carrier 43 and a ring gear 44, the sun gear 41 is coaxially fixed with the worm gear 3, the ring gear 44 is coaxially sleeved on the sun gear 41 and is fixedly connected with the machine body 1, the planet gears 42 are arranged between the sun gear 41 and the ring gear 44, the planet gears 42 are engaged with both the sun gear 41 and the ring gear 44, the planet gears 42 are uniformly arranged along the circumferential direction of the sun gear 41, the planet carrier 43 is coaxially arranged with the sun gear 41, the diameter of the planet carrier 43 near one end of the worm gear 3 is larger than that of the end far from the worm gear 3, a plurality of fixing shafts 431 are fixedly arranged on one end of the planet carrier 43 near the worm gear 3, the fixing shafts 431 are in one-to-one correspondence with the planet gears 42, the axial direction of the fixing shafts 431 is the same as that of, the fixed shaft 431 is fixedly connected with an inner ring of the second bearing 432, the planet wheel 42 is fixedly connected with an outer ring of the second bearing 432, one end, far away from the turbine, of the planet carrier 43 extends out of the side face of the machine body 1 and is rotatably connected with the machine body 1, and the output gear 5 is coaxially fixed at one end, far away from the turbine, of the planet carrier 43 and is positioned on the outer side of the machine body 1.
When the worm wheel 3 rotates, the worm wheel 3 simultaneously drives the sun wheels 41 on the two sets of speed reduction assemblies 4 to rotate, so that the sun wheels 41 drive the planet wheels 42 to revolve around the axis of the sun wheels 41 between the sun wheels 41 and the gear ring 44, meanwhile, the planet wheels 42 rotate around the axis of the planet wheels 42 on the planet carrier 43, and the planet carrier 43 and the output gear 5 are driven to rotate around the axis of the sun wheels 41, thereby realizing the speed reduction effect on the transmission process between the worm wheels and the output gear 5.
Referring to fig. 1, a driving gear 6 is coaxially embedded in the worm wheel 3, the driving gear 6 is meshed with the worm wheel 3, the two driving gears 6 are fixedly connected with the sun gears 41 on the two speed reducing assemblies 4, the two driving gears 6 are respectively and fixedly provided with first spherical tops 61 at the ends close to each other, the first spherical tops 61 on the two driving gears 6 are tightly abutted, the end of the sun gear 41 far away from the worm wheel 3 is fixedly provided with a second spherical top 411, and the second spherical top 411 is tightly abutted to the planet carrier 43.
During the use, worm wheel 3 drives drive gear 6 and takes place to rotate to drive sun gear 41 and take place to rotate, when sun gear 41 takes place to float at the transmission in-process with planet wheel 42, sun gear 41 can drive second ball top 411 and take place the displacement rather than fixed drive gear 6 and first ball top 61, two first ball tops 61 butt this moment, second ball top 411 and planet carrier 43 butt, not only can play the supporting role to drive gear 6 and sun gear 41, also can reduce the resistance that sun gear 41 floated the process.
Referring to fig. 1, both ends of organism 1 all are provided with end cover 16, end cover 16 passes through the bolt fastening on organism 1, the one end that planet carrier 43 is close to worm wheel 3 is located one side that end cover 16 is close to worm wheel 3, planet carrier 43 is close to one of worm wheel 3 and serves coaxial cover and be equipped with two axle sleeves 433, planet carrier 43 adopts clearance fit with axle sleeve 433, axle sleeve 433 and organism 1 or end cover 16 butt, and rotate with organism 1 and be connected, the one end that worm wheel 3 was kept away from to planet carrier 43 wears to establish on end cover 16, also fixed axle sleeve 433 that is provided with between planet carrier 43 and the end cover 16, be provided with sealing washer 15 between planet carrier 43 and the end cover 16, sealing washer 15 overlaps and establishes on axle sleeve 433.
Adopt interference fit between planet carrier 43 and the axle sleeve 433, can make and stably connect between planet carrier 43 and the axle sleeve 433, avoid taking place relative rotation between planet carrier 43 and the axle sleeve 433, reduced the wearing and tearing that produce planet carrier 43. The sealing ring 15 can seal between the machine body 1 and the planet carrier 43, and reduce vibration and noise generated in the using process of the speed reducer.
Referring to fig. 1, the output gear 5 and the planet carrier 43 are in clearance fit, and the output gear 5 and the planet carrier 43 are connected through the spline 51, so that the output gear 5 and the planet carrier 43 are stably connected, relative rotation between the output gear 5 and the planet carrier 43 is avoided, and the degree of wear of the output gear 5 and the planet carrier 43 in the transmission process is reduced.
The implementation principle of the synchronous pin tooth transmission speed reducer in the embodiment of the application is as follows: when the synchronous transmission device is used, the worm 2 drives the worm wheel 3 to rotate on the first bearing 11 seat, the worm wheel 3 simultaneously drives the two driving gears 6 to rotate and simultaneously drives the two sun gears 41 to rotate, so that the sun gear 41 drives the planet gear 42 to revolve around the axis of the sun gear 41 between the sun gear 41 and the gear ring 44, and simultaneously, the planet gear 42 rotates around the axis of the planet gear 42 on the planet carrier 43 and drives the planet carrier 43 to rotate around the axis of the sun gear 41, so that the planet carrier 43 drives the two output gears 5 to synchronously rotate and simultaneously play a role in reducing the speed of the two output gears 5, and therefore the function that the worm wheel 3 drives the two output gears 5 to synchronously transmit is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a synchronous round pin tooth transmission speed reducer which characterized in that: including organism (1), be provided with intermeshing's worm (2) and worm wheel (3) in organism (1), the side of organism (1) is stretched out to the one end of worm (2) to rotate with organism (1) and be connected, worm wheel (3) are coaxial to be provided with two speed reduction subassembly (4), two speed reduction subassembly (4) symmetry set up in the both sides of worm wheel (3) axis direction, all be provided with output gear (5) on two speed reduction subassembly (4).
2. The synchronous pin tooth drive reducer of claim 1, wherein: the speed reduction assembly (4) comprises a sun wheel (41), a planet wheel (42), a planet carrier (43) and a gear ring (44), the sun wheel (41) and the worm wheel (3) are coaxially fixed, the gear ring (44) is coaxially sleeved on the sun wheel (41), and is fixedly connected with the machine body (1), the planet wheel (42) is arranged between the sun wheel (41) and the gear ring (44), the planet gears (42) are meshed with the sun gear (41) and the gear ring (44), a plurality of planet gears (42) are uniformly arranged along the circumferential direction of the sun gear (41), the planet carrier (43) and the sun gear (41) are coaxially arranged, the planet gears (42) are rotationally connected with the planet carrier (43), one end, far away from the turbine, of the planet carrier (43) extends out of the side surface of the machine body (1), and is rotationally connected with the machine body (1), and the output gear (5) is coaxially fixed on the planet carrier (43) and is positioned at the outer side of the machine body (1).
3. The synchronous pin tooth drive reducer of claim 2, wherein: the coaxial cover is equipped with axle sleeve (433) on planet carrier (43), and planet carrier (43) adopts clearance fit with axle sleeve (433), and axle sleeve (433) are connected with organism (1) rotation.
4. The synchronous pin tooth drive reducer of claim 2, wherein: a sealing ring (15) is arranged between one end, extending out of the machine body (1), of the planet carrier (43) and the machine body (1), and the sealing ring (15) is fixedly arranged on the machine body (1) and is abutted against the planet carrier (43).
5. The synchronous pin tooth drive reducer of claim 2, wherein: a driving gear (6) is coaxially embedded in the worm gear (3), and the driving gear (6) is meshed with the worm gear (3) and fixedly connected with the sun gear (41).
6. The synchronous pin tooth drive reducer of claim 5, wherein: drive gear (6) are provided with two, and respectively with sun gear (41) fixed connection on two speed reduction unit (4), and the one end that two drive gear (6) are close to each other is all fixed and is provided with first bulb (61), and the inseparable butt of first bulb (61) on two drive gear (6), and the one end that worm wheel (3) were kept away from in sun gear (41) is fixed and is provided with second bulb (411), and second bulb (411) and planet carrier (43) inseparable butt.
7. The synchronous pin tooth drive reducer of claim 1, wherein: an oil filling hole (13) is formed in the top of the machine body (1), the oil filling hole (13) is located above the turbine and the worm (2), and a blocking cover (14) is arranged on the upper cover of the oil filling hole (13).
8. The synchronous pin tooth drive reducer of claim 2, wherein: the output gear (5) and the planet carrier (43) are in clearance fit.
9. The synchronous pin tooth drive reducer of claim 2, wherein: the output gear (5) is connected with the planet carrier (43) through a spline (51).
10. The synchronous pin tooth drive reducer of claim 2, wherein: a first bearing (11) is fixedly arranged between the machine body (1) and the worm wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755894.2U CN213117409U (en) | 2020-08-20 | 2020-08-20 | Synchronous pin tooth transmission speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755894.2U CN213117409U (en) | 2020-08-20 | 2020-08-20 | Synchronous pin tooth transmission speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117409U true CN213117409U (en) | 2021-05-04 |
Family
ID=75654760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021755894.2U Expired - Fee Related CN213117409U (en) | 2020-08-20 | 2020-08-20 | Synchronous pin tooth transmission speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117409U (en) |
-
2020
- 2020-08-20 CN CN202021755894.2U patent/CN213117409U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |