CN212028474U - Axial lengthening type speed reducer - Google Patents
Axial lengthening type speed reducer Download PDFInfo
- Publication number
- CN212028474U CN212028474U CN202020731276.8U CN202020731276U CN212028474U CN 212028474 U CN212028474 U CN 212028474U CN 202020731276 U CN202020731276 U CN 202020731276U CN 212028474 U CN212028474 U CN 212028474U
- Authority
- CN
- China
- Prior art keywords
- gear box
- shaft
- gear
- gearbox
- output shaft
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007704 transition Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- General Details Of Gearings (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses an axial lengthening type speed reducer; it comprises a reduction box, a connecting transmission part and a connector; the reduction gearbox comprises a first gear box and a second gear box which are arranged in parallel at intervals, and the first gear box and the second gear box are respectively provided with an input shaft and an output shaft, the shaft axes of which are arranged in parallel at intervals; the connecting transmission piece is connected between the output shaft of the first gear box and the input shaft of the second gear box; the connecting body is connected between the first gear box and the second gear box, and an input shaft of the first gear box and an output shaft of the second gear box are coaxially arranged; the utility model discloses need not to adopt when carrying out the long-span with external equipment and link up the axle transition, do benefit to and reduce equipment vibration, increase transmission stability.
Description
Technical Field
The utility model belongs to the technical field of the speed reducer, concretely relates to axial elongated speed reducer.
Background
The existing speed reducer with coaxial input and output mostly adopts a structure for reducing the axial width of a gearbox; when the distance between the output shaft of the speed reducer and the input shaft end of the equipment is large, a connecting shaft for transition is usually required to be additionally arranged; the connecting shaft needs to be connected with the output shaft of the speed reducer and the input shaft of the equipment through two couplings, coaxiality errors between the output shaft of the speed reducer and the input shaft of the equipment can be increased through the use of the connecting shaft, the equipment generates vibration and abnormal sound, and the equipment is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an axial lengthening type speed reducer aiming at the defects in the prior art; it need not to adopt the linking axle transition when carrying out long-span with equipment, does benefit to and reduces equipment vibration, increases transmission stability.
In order to achieve the above object, the utility model adopts the following technical scheme:
an axially lengthened speed reducer comprising:
the reduction gearbox comprises a first gear box and a second gear box which are arranged in parallel at intervals, and the first gear box and the second gear box are respectively provided with an input shaft and an output shaft, the axes of which are arranged in parallel at intervals;
the linking transmission part is connected between the output shaft of the first gear box and the input shaft of the second gear box; and
and the connecting body is connected between the first gear box and the second gear box and enables the input shaft of the first gear box and the output shaft of the second gear box to be coaxially arranged.
Furthermore, the first gear box and the second gear box both comprise a shell, a main transmission shaft hinged on the shell, an auxiliary transmission shaft hinged on the shell and arranged in parallel with the main transmission shaft at intervals, and transmission gears which are respectively arranged on the main transmission shaft and the auxiliary transmission shaft and are mutually meshed.
Furthermore, a plurality of auxiliary transmission shafts are uniformly distributed in the circumferential direction relative to the main transmission shaft.
Furthermore, the connection transmission part adopts a universal coupling or a flexible shaft, and is connected between the auxiliary transmission shafts of the first gear box and the second gear box.
Further, the connecting body comprises a protective cylinder connected between the shells of the first gear box and the second gear box and flanges arranged at one end or two ends of the protective cylinder; the linking transmission part is positioned inside the protective cylinder.
Further, the connecting body comprises a protective cylinder connected between the shells of the first gear box and the second gear box and a connecting seat arranged on the outer wall of the protective cylinder; the linking transmission part is positioned inside the protective cylinder.
The utility model has the advantages that:
the utility model discloses in structural design, the variable speed output of counter drive shaft is realized to the final drive shaft of first gear box under the drive gear cooperation, and the variable speed output of final drive shaft is realized to the counter drive shaft of second gear box under the drive gear cooperation, utilizes linking up the driving medium to connect the counter drive shaft between first gear box and the second gear box, can increase the interval between first gear box and the second gear box, and then makes the final drive shaft on the second gear box as the output shaft can realize the large-span with the input shaft of equipment and be connected; therefore, the use of a connecting shaft can be omitted, the use of a coupler is reduced, the coaxiality error between the main transmission shaft of the second gearbox and the input shaft of the equipment can be reduced when the main transmission shaft of the second gearbox is used as the output shaft, the transmission is more stable and safer, and the service life of the equipment is effectively prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at I in FIG. 1;
FIG. 3 is an enlarged view of the structure at II in FIG. 1;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention;
3 FIG. 3 5 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 in 3 FIG. 3 4 3; 3
Fig. 6 is a schematic structural view of the connecting seat of the present invention;
fig. 7 is a side view of the structure of fig. 6.
Wherein: 1-a first gearbox; 2-second gearbox; 3-connecting the transmission parts; 4-a housing; 5-a main transmission shaft; 6-auxiliary transmission shaft; 7-a transmission gear; 8-a protective cylinder; 9-a flange; 10-connecting seat.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings:
example one
As shown in fig. 1 to 3, an axially elongated speed reducer; it comprises a reduction gearbox, a linking transmission part 3 and a connector.
Wherein:
the reduction gearbox comprises a first gear box 1 and a second gear box 2 which are arranged in parallel at intervals, and the first gear box 1 and the second gear box 2 are both provided with an input shaft and an output shaft which are arranged with axial leads in parallel at intervals; the first gear box 1 and the second gear box 2 both comprise a shell 4, a main transmission shaft 5 hinged on the shell 4, an auxiliary transmission shaft 6 hinged on the shell 4 and arranged in parallel with the main transmission shaft 5 at intervals, and transmission gears 7 respectively arranged on the main transmission shaft 5 and the auxiliary transmission shaft 6 and meshed with each other; the main transmission shaft 5 and the auxiliary transmission shaft 6 on the first gear box 1 respectively form an input shaft and an output shaft thereof; the auxiliary transmission shaft 6 and the main transmission shaft 5 on the second gearbox 2 respectively form an input shaft and an output shaft of the second gearbox; the change of the transmission ratio of the transmission gear 7 realizes the change of the rotating speed of the input shaft and the output shaft; the shell 4 is hollow cylinder shape, the main transmission shaft 5 and the auxiliary transmission shaft 6 are hinged on the shell 4 through bearings.
The connecting transmission piece 3 is connected between the output shaft of the first gear box 1 and the input shaft of the second gear box 2, namely between the output shaft of the first gear box 1 and the auxiliary transmission shaft 6 of the second gear box 2; the connection driving member 3 can adopt a universal coupling or a flexible shaft, and the attached drawings of the utility model show that the structure of the universal coupling is adopted; adopt universal joint or flexible axle to do benefit to the interval that increases first gear box 1 and second gear box 2, and then increase the axial length of whole speed reducer.
The connecting body is connected between the first gear box 1 and the second gear box 2, and an input shaft of the first gear box 1 and an output shaft of the second gear box 2 are coaxially arranged; and meanwhile, the connecting body is used for connecting the speed reducer with an external fixing component. When the end of the reducer needs to be fixed for use, as shown in fig. 1, the specific structure of the connecting body comprises a protective cylinder 8 connected between the first gear box 1 and the outer shell 4 of the second gear box 2, and a flange 9 arranged at one end or two ends of the protective cylinder 8; the attached drawings of the utility model show the structure that the flange 9 is arranged at one end of the protective cylinder 8; the connecting transmission part 3 is positioned inside the protective cylinder 8; the protective cylinder 8 is cylindrical or conical. As shown in fig. 6 and 7, the present invention further provides another speed reducer fixing structure, wherein the connecting body specifically includes a protective cylinder 8 connected between the first gear case 1 and the outer shell 4 of the second gear case 2, and a connecting seat 10 provided on the outer wall of the protective cylinder 8; the connecting seat 10 is integrally platy and is integrally fixed on one side of the outer wall of the protective cylinder 8; or the connecting base 10 is integrally and symmetrically fixed on the outer wall of the protective cylinder 8 in a plate shape (not shown in the drawing).
The utility model discloses when using: the main transmission shaft 5 of the first gearbox 1 is connected with an external engine output shaft or an external motor output shaft; the main transmission shaft 5 of the second gearbox 2 is connected with an input shaft of external equipment; the main transmission shaft 5 of the first gear box 1 is driven by a secondary transmission shaft 6 driven by a gear of a transmission gear 7 in the first gear box 1 to reduce the speed in the rotating process; the auxiliary transmission shaft 6 of the first gear box 1 drives the auxiliary transmission shaft 6 of the second gear box 2 to rotate through the connecting transmission piece 3, and the auxiliary transmission shaft 6 of the second gear box 2 drives the main transmission shaft 5 to rotate at a reduced speed through the gear transmission of a transmission gear 7 in the second gear box 2; finally, the main transmission shaft 5 of the second gearbox 2 drives the external equipment to operate; because the axial length of the speed reducer is increased relative to the main transmission shaft 5, the speed reducer can be effectively suitable for being connected with external equipment under a large-span working condition, the coaxiality error of the output shaft of the speed reducer after being connected with the external equipment is effectively reduced, the transmission is more stable and safer, and the service life of the equipment is effectively prolonged.
Example two
As shown in fig. 4 and 5, on the basis of the first embodiment, a plurality of auxiliary transmission shafts 6 are uniformly distributed on the first gear box 1 and the second gear box 2 in the circumferential direction relative to the main transmission shaft 5, and the number of the auxiliary transmission shafts 6 shown in the drawings of the present invention is six; the structural layout has better centering performance, and the radial acting force on the main transmission shaft 5 can be mutually offset when the transmission gear 7 is matched, so that the output of the main transmission shaft 5 is more stable.
Claims (6)
1. An axial elongated speed reducer, comprising:
the reduction gearbox comprises a first gear box (1) and a second gear box (2) which are arranged in parallel at intervals, wherein the first gear box (1) and the second gear box (2) are respectively provided with an input shaft and an output shaft, the axes of which are arranged in parallel at intervals;
the engaging transmission piece (3) is connected between the output shaft of the first gear box (1) and the input shaft of the second gear box (2); and
and the connecting body is connected between the first gear box (1) and the second gear box (2), and an input shaft of the first gear box (1) and an output shaft of the second gear box (2) are coaxially arranged.
2. An axially elongated reduction gear according to claim 1, characterized in that the first gearbox (1) and the second gearbox (2) each comprise a housing (4), a main drive shaft (5) hinged to the housing (4), an auxiliary drive shaft (6) hinged to the housing (4) and arranged parallel to the main drive shaft (5) at a distance from each other, and transmission gears (7) arranged on the main drive shaft (5) and the auxiliary drive shaft (6) respectively and engaging with each other.
3. An axial lengthening reducer according to claim 2, characterized in that a plurality of said counter-shafts (6) are circumferentially equispaced relative to the main shaft (5).
4. An axial lengthening reducer according to claim 2 or 3, characterized in that said engagement drive (3) is a universal joint or a flexible shaft, said engagement drive (3) being connected between the counter-shafts (6) of the first gearbox (1) and the second gearbox (2).
5. An axial growth type reduction gear according to claim 4, characterized in that the connecting body comprises a shield cylinder (8) connected between the housings (4) of the first gear case (1) and the second gear case (2), a flange (9) provided at one end or both ends of the shield cylinder (8); the connecting transmission part (3) is positioned inside the protective cylinder (8).
6. An axial lengthening type reduction gear according to claim 4, characterized in that said connecting body comprises a protective cylinder (8) connected between the housings (4) of the first gear case (1) and the second gear case (2), a connecting seat (10) provided on the outer wall of the protective cylinder (8); the connecting transmission part (3) is positioned inside the protective cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731276.8U CN212028474U (en) | 2020-05-07 | 2020-05-07 | Axial lengthening type speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731276.8U CN212028474U (en) | 2020-05-07 | 2020-05-07 | Axial lengthening type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028474U true CN212028474U (en) | 2020-11-27 |
Family
ID=73479567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731276.8U Expired - Fee Related CN212028474U (en) | 2020-05-07 | 2020-05-07 | Axial lengthening type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028474U (en) |
-
2020
- 2020-05-07 CN CN202020731276.8U patent/CN212028474U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207049175U (en) | A kind of power transmission shaft | |
| CN212028474U (en) | Axial lengthening type speed reducer | |
| CN113954629A (en) | Electric drive assembly for electric vehicle and electric vehicle | |
| CN201396382Y (en) | Elastic coupling | |
| CN201368136Y (en) | Transmission coupler | |
| CN217927046U (en) | Double screw extruder gear box | |
| US4753130A (en) | Transmission with interchangeable shafts to link one or more drives with one or more output shafts | |
| CN216895680U (en) | Novel planetary reduction gearbox | |
| CN210196292U (en) | Double TGCL tooth type combined coupling | |
| CN112145564A (en) | Gear-driven transmission shaft structure | |
| CN210661218U (en) | Gear box with vertical output | |
| CN215805830U (en) | Coupling device | |
| CN221762534U (en) | Transfer mechanism for concentric inner shaft and concentric outer shaft | |
| CN112161000A (en) | Special high-strength spherical tooth coupling for leveler | |
| CN208074031U (en) | It is capable of the drum cog-wheel coupling of quick-replaceable cydariform tooth shaft | |
| CN217926968U (en) | Mechanical arm for power output of agricultural machine | |
| CN215293511U (en) | Driving assembly structure of electric tricycle | |
| CN214036714U (en) | Marine high-power six-branch coaxial gear transmission device | |
| CN215805838U (en) | Novel coupler | |
| CN215720334U (en) | Train cleaning roller coupling structure | |
| CN220204460U (en) | Tooth-type coupling | |
| CN218325879U (en) | Coupling, transmission and rail vehicle | |
| CN213628777U (en) | Bevel gear | |
| CN201818761U (en) | Connecting structure of transmission shaft and connecting rod of transmission case | |
| CN216812573U (en) | Light-weight efficient driving shaft assembly |
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: 20201127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |