CN211259502U - High-efficiency low-loss composite meshing multistage speed increasing mechanism - Google Patents
High-efficiency low-loss composite meshing multistage speed increasing mechanism Download PDFInfo
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- CN211259502U CN211259502U CN201921463833.6U CN201921463833U CN211259502U CN 211259502 U CN211259502 U CN 211259502U CN 201921463833 U CN201921463833 U CN 201921463833U CN 211259502 U CN211259502 U CN 211259502U
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Abstract
The utility model discloses a multistage acceleration mechanism of high-efficient low-loss compound meshing belongs to the acceleration mechanism field, including input shaft, one-level planet wheel part, second grade planet wheel part and top cap, one-level planet wheel part includes fixed plate, tight loop, input driving plate, drive gear and a plurality of compound wheel. The composite wheel is movably connected with the fixed plate through the matching of the fixed ring, the fixed plate and the input transmission plate, the structure is more compact, and the transmission ratio is higher.
Description
Technical Field
The utility model relates to an acceleration mechanism field especially relates to a high-efficient low-loss compound meshing multistage acceleration mechanism.
Background
In order to ensure continuous and efficient operation of equipment such as an air compressor and the like, an accelerating device is generally arranged, the accelerating device generally utilizes an input shaft to drive a planet wheel to rotate, and the planet wheel drives an output shaft to rotate and accelerate an output shaft 21.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient low-loss compound meshing multistage acceleration rate mechanism.
To achieve the purpose, the utility model adopts the following technical proposal:
a high-efficiency low-loss compound-meshed multi-stage speed increasing mechanism comprises an input shaft, a first-stage planetary wheel component, a second-stage planetary wheel component and a top cover, wherein the second-stage planetary wheel component is arranged on an inner cavity of the top cover, and the first-stage planetary wheel component is arranged above the second-stage planetary wheel component; the one-level planet wheel part comprises a fixed plate, a fastening ring, an input transmission plate, a transmission gear and a plurality of composite wheels, the composite wheels comprise a rotating shaft end and a gear end which are arranged from top to bottom, the input shaft is in threaded connection with the input transmission plate, one side of the rotating shaft end of the composite wheels is attached to the outer side of the input transmission plate, the fastening ring is sleeved on the outer side of the rotating shaft end of the composite wheels, the inner side of the fastening ring is attached to the other side of the rotating shaft end of the composite wheels, the transmission gear is arranged between the composite wheels and meshed with the gear end of each composite wheel, one end of the transmission gear is connected with the secondary planet wheel part, the fixed plate is arranged above the fastening ring and the input transmission plate, and the rotating shaft end of the.
The composite wheel is movably connected with the fixed plate through the matching of the fixed ring, the fixed plate and the input transmission plate, the structure is more compact, and the transmission ratio is higher.
Preferably, the first-stage planet wheel component further comprises a first thrust ball bearing, a first bearing installation cavity is formed in the bottom end of the input shaft, the first thrust ball bearing is arranged in the first bearing installation cavity, an upper rotating ring of the first thrust ball bearing is in interference fit with the first bearing installation cavity, a rotating ring of the first thrust ball bearing is in clearance fit with the first bearing installation cavity, and the surface of the other rotating ring of the first thrust ball bearing is attached to one end face of the transmission gear.
Set up first thrust ball bearing and cooperate with drive gear and input shaft respectively, prevent planet wheel axial float, and add thrust ball bearing and can reduce the space of the fixed plate in the middle of, save material improves space utilization, makes the structure compacter, and the drive ratio is higher.
Preferably, the first-stage planet wheel component further comprises a first rolling bearing, a first bearing mounting hole is formed in the fixing plate, the first rolling bearing is arranged in the first bearing mounting hole, and the rotating shaft end of the composite wheel is connected with the movable ring of the first rolling bearing.
First antifriction bearing is used for connecting compound wheel and fixed plate, makes compound wheel and fixed plate swing joint, sets up first antifriction bearing in first bearing mounting hole, has improved space utilization, further prevents the axial float of compound wheel.
Preferably, the first-stage planet wheel component further comprises a second rolling bearing, the second rolling bearing is sleeved on the outer sides of the fixing plate and the fastening ring, and a movable ring of the second rolling bearing is in interference fit with the fixing plate and the fastening ring.
The outer side of the rotating shaft end of the composite wheel is provided with the fastening ring and the second rolling bearing, so that rolling friction is more efficient, and the composite wheel is effectively prevented from sliding during operation.
Preferably, the gear ends of the transmission gear and the composite wheel are herringbone gears.
The gear end of the transmission gear and the composite wheel are both provided with herringbone gears, the herringbone gears are used for preventing the composite wheel from moving up and down, a fixed structure for the composite wheel is not required to be arranged, the internal structure of the speed increasing mechanism is more compact, materials are saved, and the utilization rate of the lifting space is high.
Preferably, the fixing plate is provided with a plurality of hollow parts.
The hollow-out part is arranged on the fixing plate, so that the whole weight can be reduced and the material can be saved under the condition that the structural strength of the fixing plate is not reduced.
Preferably, second grade planet wheel part includes the output shaft, the second grade driving plate, the transmission ring, fixing base and a plurality of transmission gyro wheel, the inner chamber and the top cap of fixing base set up from top to bottom and form a plurality of gyro wheel installation chambeies, a plurality of transmission gyro wheels are established respectively one by one in a plurality of gyro wheel installation chambeies, one side of every transmission gyro wheel all laminates with the outside of output shaft, the opposite side of every transmission gyro wheel laminates with the inboard of transmission ring, the outside at the fixing base is established to the transmission ring, the middle part and the drive gear of second grade driving plate are connected, second grade driving plate joint is in the.
Through the mutual friction of the transmission ring and the transmission roller and the output shaft, the output shaft is accelerated.
Preferably, both ends are equipped with connecting portion about the second grade driving plate, and the straight notch has been seted up to the inboard of driving ring, and the second grade driving plate corresponds the joint in the inboard of driving ring through connecting portion and straight notch.
The rotating speed of the transmission gear is the same as that of the transmission ring through the clamping connection of the secondary transmission plate and the transmission ring.
Preferably, the secondary planet wheel component further comprises a second thrust ball bearing, the second thrust ball bearing is arranged between the secondary transmission plate and the fixed seat, a second bearing installation cavity is formed in one side of the secondary transmission plate, a rotating ring of the second thrust ball bearing is in interference fit with the second bearing installation cavity, and the surface of another rotating ring of the second thrust ball bearing is attached to one end of the output shaft.
And the second thrust ball bearing is respectively connected with the secondary transmission plate and the output shaft and used for reducing friction when the transmission plate and the output shaft rotate.
Preferably, second grade planet wheel part still includes a plurality of third antifriction bearing 262, all set up a plurality of second bearing mounting holes that correspond from top to bottom on fixing base and the top cap, a plurality of third antifriction bearing establish respectively one by one on a plurality of second bearing mounting holes, every transmission roller's upper and lower both ends all are equipped with the spliced pole, every third antifriction bearing's loose collar all seted up annular groove with every spliced pole interference fit transmission roller's upper and lower surface respectively, annular groove corresponds with third antifriction bearing's loose collar upper and lower position.
The annular groove corresponds to the movable ring of the third rolling bearing in the vertical position, so that the rotating ring of the third rolling bearing is prevented from being in contact with the upper surface and the lower surface of the transmission roller wheel to cause abrasion when rotating.
The utility model has the advantages that: the composite wheel is movably connected with the fixed plate through the matching of the fixed ring, the fixed plate and the input transmission plate, the structure is more compact, and the transmission ratio is higher.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a side cross-sectional view of one embodiment of the present invention;
FIG. 3 is an exploded view of one of the primary planet gear members of one embodiment of the present invention;
FIG. 4 is a schematic view of a compound wheel drive according to one embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a secondary drive plate according to an embodiment of the present invention;
FIG. 7 is an exploded view of the secondary planet gear member of one embodiment of the present invention;
fig. 8 is a schematic structural diagram of a driving roller according to an embodiment of the present invention.
Wherein: the transmission device comprises an input shaft 11, a primary planet wheel component 1, a top cover 3, a fixing plate 12, a fastening ring 13, an input transmission plate 14, a transmission gear 15, a composite wheel 16, a rotating shaft end 161, a gear end 162, a first thrust ball bearing 171, a first bearing installation cavity 111, a first rolling bearing 172, a first bearing installation hole 121, a second rolling bearing 173, a hollow part 122, an output shaft 21, a secondary transmission plate 22, a transmission ring 23, a fixed seat 24, a transmission roller 25, a roller installation cavity 241, a connecting part 221, a straight notch 231, a second thrust ball bearing 261, a second bearing installation cavity 222, a third rolling bearing 262, a second bearing installation hole 241, a connecting column 251 and an annular groove 252.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The high-efficiency low-loss compound-meshed multi-stage speed increasing mechanism comprises an input shaft 11, a first-stage planet wheel component 1, a second-stage planet wheel component and a top cover 3, wherein the second-stage planet wheel component is arranged on an inner cavity of the top cover 3, and the first-stage planet wheel component 1 is arranged above the second-stage planet wheel component; the primary planet wheel component 1 comprises a fixing plate 12, a fastening ring 13, an input transmission plate 14, a transmission gear 15 and a plurality of composite wheels 16, each composite wheel 16 comprises a rotating shaft end 161 and a gear end 162 which are arranged up and down, the input shaft 11 is in threaded connection with the input transmission plate 14, one side of each rotating shaft end 161 of each composite wheel 16 is attached to the outer side of the input transmission plate 14, the fastening ring 13 is sleeved on the outer side of each rotating shaft end 161 of each composite wheel 16, the inner side of the fastening ring 13 is attached to the other side of each rotating shaft end 161 of each composite wheel 16, the transmission gear 15 is arranged among the composite wheels 16 and meshed with the gear end 162 of each composite wheel 16, one end of the transmission gear 15 is connected with the secondary planet wheel component, the fixing plate 12 is arranged above the fastening ring 13 and the input transmission plate 14, and the rotating shaft end 161 of each composite wheel 16 is movably connected with.
Be equipped with one-level planet wheel part 1 and second grade planet wheel part respectively, through the cooperation of multistage planet wheel structure, improved speed increasing mechanism's drive ratio, input shaft 11 makes a plurality of compound wheels 16 rotate through the rotation that drives input drive plate 14 to reach the effect of acceleration rate, compound wheel 16 through with the cooperation realization of retainer plate, fixed plate 12 and input drive plate 14 with the swing joint of fixed plate 12, the structure is compacter, the drive ratio is higher.
The first-stage planetary gear part 1 further comprises a first thrust ball bearing 171, the bottom end of the input shaft 11 is provided with a first bearing installation cavity 111, the first thrust ball bearing 171 is arranged in the first bearing installation cavity 111, an upper rotating ring of the first thrust ball bearing 171 is in interference fit with the first bearing installation cavity 111, a rotating ring of the first thrust ball bearing 171 is in clearance fit with the first bearing installation cavity 111, and the surface of the other rotating ring of the first thrust ball bearing 171 is attached to one end face of the transmission gear 15.
The first thrust ball bearing 171 is arranged to be matched with the transmission gear 15 and the input shaft 11 respectively, so that the planet gear is prevented from axially moving, the space of the middle fixing plate 12 can be reduced by adding the thrust ball bearing, materials are saved, the space utilization rate is improved, the structure is more compact, and the transmission ratio is higher.
The first-stage planetary gear component 1 further comprises a first rolling bearing 172, a first bearing mounting hole 121 is formed in the fixed plate 12, the first rolling bearing 172 is arranged in the first bearing mounting hole 121, and the rotating shaft end 161 of the composite wheel 16 is connected with a movable ring of the first rolling bearing 172.
The first rolling bearing 172 is used for connecting the composite wheel 16 and the fixed plate 12, so that the composite wheel 16 is movably connected with the fixed plate 12, and the first rolling bearing 172 is arranged in the first bearing mounting hole 121, so that the space utilization rate is improved, and the axial movement of the composite wheel 16 is further prevented.
The first-stage planetary gear component 1 further includes a second rolling bearing 173, the second rolling bearing 173 is sleeved on the outer sides of the fixed plate 12 and the fastening ring 13, and a movable ring of the second rolling bearing 173 is in interference fit with the fixed plate 12 and the fastening ring 13.
The fastening ring 13 and the second rolling bearing 173 are arranged outside the rotating shaft end 161 of the composite wheel 16, so that rolling friction is more efficient, and the composite wheel 16 is effectively prevented from sliding during operation.
Both the drive gear 15 and the gear end 162 of the compound wheel 16 are herringbone gears.
The gear end 162 of the transmission gear 15 and the composite wheel 16 both adopt herringbone gears for preventing the composite wheel 16 from moving up and down, and a fixing structure for the composite wheel 16 is not needed, so that the internal structure of the speed increasing mechanism is more compact, materials are saved, and the space utilization rate is high.
The fixing plate 12 is provided with a plurality of hollow portions 122.
The hollow portion 122 is formed in the fixing plate 12, so that the overall weight can be reduced and the material can be saved without reducing the structural strength of the fixing plate 12.
The secondary planet wheel part includes output shaft 21, secondary drive plate 22, driving ring 23, fixing base 24 and a plurality of transmission gyro wheel 25, the inner chamber of fixing base 24 sets up a plurality of gyro wheel installation cavities 241 of formation from top to bottom with top cap 3, a plurality of transmission gyro wheels 25 establish respectively one by one in a plurality of gyro wheel installation cavities, one side of every transmission gyro wheel 25 all laminates with output shaft 21's the outside, the opposite side of every transmission gyro wheel 25 and the inboard laminating of driving ring 23, driving ring 23 establishes the outside at fixing base 24, secondary drive plate 22's middle part is connected with drive gear 15, secondary drive plate 22 joint is in driving ring 23's inboard.
The transmission ring 23 and the transmission roller 25 are mutually rubbed with each other, so that the output shaft 21 is accelerated, the transmission roller 25 is adopted to replace a gear commonly used in the existing planet wheel structure, the transmission efficiency is higher, and the transmission is more stable and continuous; the fixed seat 24 and the top cover 3 form a roller mounting cavity for mounting the transmission roller 25 and enabling the transmission roller 25 to rotate relative to the fixed seat 24 in the roller mounting cavity 241; the middle part of driving plate is connected with drive gear 15, and consequently the rotational speed of second grade driving plate 22 is the same with drive gear 15's rotational speed, and second grade driving plate 22 joint is in the inboard of driving ring 23, and second grade driving plate 22 drives driving ring 23 and rotates promptly to make driving ring 23 when rotating with every transmission gyro wheel 25 transmission cooperation, thereby drive output shaft 21 and rotate, realize the acceleration rate to output shaft 21.
Two ends are equipped with connecting portion 221 about the second grade driving plate 22, and the straight notch 231 has been seted up to the inboard of driving ring 23, and second grade driving plate 22 corresponds the joint in the inboard of driving ring 23 through connecting portion 221 and straight notch 231.
The rotation speed of the transmission gear 15 is the same as that of the transmission ring 23 through the clamping connection of the secondary transmission plate 22 and the transmission ring 23.
The secondary planet wheel component further comprises a second thrust ball bearing 261, the second thrust ball bearing 261 is arranged between the secondary transmission plate 22 and the fixed seat 24, a second bearing installation cavity 222 is formed in one side of the secondary transmission plate 22, a rotating ring of the second thrust ball bearing 261 is in interference fit with the second bearing installation cavity 222, and the surface of the other rotating ring of the second thrust ball bearing 261 is attached to one end of the output shaft 21.
A second thrust ball bearing 261 is provided, and the second thrust ball bearing 261 is respectively connected with the secondary transmission plate 22 and the output shaft 21, and is used for reducing friction when the transmission plate and the output shaft 21 rotate.
The secondary planet wheel component further comprises a plurality of third rolling bearings 262, a plurality of second bearing mounting holes 241 which correspond up and down are formed in the fixing seat 24 and the top cover 3, the third rolling bearings 262 are respectively arranged on the second bearing mounting holes 241 one by one, connecting columns 251 are arranged at the upper end and the lower end of each transmission roller 25, annular grooves 252 are formed in the movable rings of the third rolling bearings 262 and the upper surface and the lower surface of each connecting column 251 in interference fit with the transmission rollers 25, and the annular grooves 252 correspond to the movable rings of the third rolling bearings 262 in position up and down.
The annular groove 252 corresponds to the upper and lower positions of the movable ring of the third rolling bearing 262, so that the rotating ring of the third rolling bearing 262 is prevented from contacting the upper and lower surfaces of the driving roller 25 during rotation and being worn.
In this embodiment, compound wheel 16 and drive roller 25 are 3, simple structure and compactness, can reach higher drive ratio, have promoted the acceleration rate effect.
The utility model discloses a theory of operation does: the rotation of the input shaft 11 drives the input transmission plate 14 to rotate, so that the input transmission plate 14 and the rotating shaft end 161 of the composite wheel 16 rub to rotate the composite wheel 16, the composite wheel 16 rotates to enable the gear end 162 of the composite wheel 16 to be meshed with the transmission gear 15, and the transmission gear 15 is driven to rotate; the transmission gear 15 drives the secondary transmission plate 22 to rotate, the secondary transmission plate 22 drives the transmission seat to rotate, the transmission seat rotates to rub one side of the transmission roller 25, the transmission roller 25 rotates, the other side of the transmission roller rubs the output shaft 21, and therefore the output shaft 21 rotates, the radius of the transmission ring 23 is larger than that of the transmission roller 25, the rotating speed transmitted to the output shaft 21 is increased, the speed increasing effect is achieved, the rotating speed transmitted to the output shaft 21 is larger than that of the transmission gear 15, and second-stage speed increasing is formed.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A high-efficiency low-loss composite meshing multistage speed increasing mechanism is characterized by comprising an input shaft, a primary planet wheel component, a secondary planet wheel component and a top cover, wherein the secondary planet wheel component is arranged on an inner cavity of the top cover, and the primary planet wheel component is arranged above the secondary planet wheel component; the one-level planet wheel part includes fixed plate, tight loop, input driving plate, drive gear and a plurality of compound wheel, compound wheel is including the pivot end and the gear end that set up from top to bottom, the input shaft with input driving plate threaded connection, it is a plurality of one side of the pivot end of compound wheel all with the laminating of the outside of input driving plate, the tight loop cover is established a plurality of the outside of the pivot end of compound wheel, the inboard of tight loop with the laminating of the other side of the pivot end of compound wheel mutually, drive gear establishes a plurality of between the compound wheel and with every the meshing of the gear end of compound wheel, drive gear's one end with second grade planet wheel part connects, the fixed plate is established the tight loop with the top of input driving plate, the pivot end of compound wheel with fixed plate swing joint.
2. The high-efficiency low-loss compound-meshed multi-stage speed increasing mechanism is characterized in that the primary planet wheel component further comprises a first thrust ball bearing, a first bearing installation cavity is formed in the bottom end of the input shaft, the first thrust ball bearing is arranged in the first bearing installation cavity, an upper rotating ring of the first thrust ball bearing is in interference fit with the first bearing installation cavity, a rotating ring of the first thrust ball bearing is in clearance fit with the first bearing installation cavity, and the surface of the other rotating ring of the first thrust ball bearing is attached to one end face of the transmission gear.
3. The high-efficiency low-loss composite meshed multistage speed increasing mechanism is characterized in that the primary planet wheel component further comprises a first rolling bearing, a first bearing mounting hole is formed in the fixing plate, the first rolling bearing is arranged in the first bearing mounting hole, and the rotating shaft end of the composite wheel is connected with a movable ring of the first rolling bearing.
4. The high-efficiency low-loss compound-meshed multi-stage speed increasing mechanism according to claim 1, wherein the first-stage planetary gear component further comprises a second rolling bearing, the second rolling bearing is sleeved on the outer sides of the fixed plate and the fastening ring, and a movable ring of the second rolling bearing is in interference fit with the fixed plate and the fastening ring.
5. The high-efficiency low-loss compound-meshed multi-stage speed increasing mechanism as claimed in claim 1, wherein the gear ends of the transmission gear and the compound wheel are herringbone gears.
6. The high-efficiency low-loss composite meshed multistage speed increasing mechanism as claimed in claim 1, wherein a plurality of hollowed-out parts are formed on the fixing plate.
7. The high-efficiency low-loss composite meshing multistage speed increasing mechanism is characterized in that the secondary planet wheel component comprises an output shaft, a secondary transmission plate, a transmission ring, a fixed seat and a plurality of transmission rollers, an inner cavity of the fixed seat and the top cover are vertically arranged to form a plurality of roller mounting cavities, the plurality of transmission rollers are respectively arranged in the plurality of roller mounting cavities one by one, one side of each transmission roller is attached to the outer side of the output shaft, the other side of each transmission roller is attached to the inner side of the transmission ring, the transmission ring is arranged on the outer side of the fixed seat, the middle of the secondary transmission plate is connected with the transmission gear, and the secondary transmission plate is clamped on the inner side of the transmission ring.
8. The high-efficiency low-loss composite meshing multistage speed increasing mechanism as claimed in claim 7, wherein connecting portions are arranged at the left end and the right end of the secondary transmission plate, a straight notch is formed in the inner side of the transmission ring, and the secondary transmission plate is correspondingly clamped on the inner side of the transmission ring through the connecting portions and the straight notch.
9. The high-efficiency low-loss composite meshed multistage speed increasing mechanism according to claim 7, wherein the secondary planet wheel component further comprises a second thrust ball bearing, the second thrust ball bearing is arranged between the secondary transmission plate and the fixed seat, a second bearing installation cavity is formed in one side of the secondary transmission plate, a rotating ring of the second thrust ball bearing is in interference fit with the second bearing installation cavity, and the surface of the other rotating ring of the second thrust ball bearing is attached to one end of the output shaft.
10. The high-efficiency low-loss composite meshed multistage speed increasing mechanism according to claim 7, wherein the secondary planet wheel component further comprises a plurality of third rolling bearings, the fixed seat and the top cover are respectively provided with a plurality of second bearing mounting holes which correspond to each other up and down, the third rolling bearings are respectively arranged on the second bearing mounting holes one by one, the upper end and the lower end of each transmission roller are respectively provided with a connecting column, the movable ring of each third rolling bearing is respectively in interference fit with the connecting columns, the upper surface and the lower surface of each transmission roller are respectively provided with an annular groove, and the annular grooves correspond to the movable rings of the third rolling bearings in up and down positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921463833.6U CN211259502U (en) | 2019-09-04 | 2019-09-04 | High-efficiency low-loss composite meshing multistage speed increasing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921463833.6U CN211259502U (en) | 2019-09-04 | 2019-09-04 | High-efficiency low-loss composite meshing multistage speed increasing mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211259502U true CN211259502U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921463833.6U Active CN211259502U (en) | 2019-09-04 | 2019-09-04 | High-efficiency low-loss composite meshing multistage speed increasing mechanism |
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| Country | Link |
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| CN (1) | CN211259502U (en) |
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- 2019-09-04 CN CN201921463833.6U patent/CN211259502U/en active Active
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