CN209743496U - reversing speed-changing speed reducer - Google Patents
reversing speed-changing speed reducer Download PDFInfo
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- CN209743496U CN209743496U CN201920247293.1U CN201920247293U CN209743496U CN 209743496 U CN209743496 U CN 209743496U CN 201920247293 U CN201920247293 U CN 201920247293U CN 209743496 U CN209743496 U CN 209743496U
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Abstract
The utility model relates to a reversing speed change reducer, the parallel input shaft stretches out the external first change gear of box, first parallel jackshaft stretches out the external second change gear of box, first, the meshing transmission of two change gears, be equipped with first on the first parallel jackshaft, two pinions, be equipped with the third pinion on the second parallel jackshaft, first, two parallel jackshafts, the parallel input shaft, the output shaft is parallel and first, two parallel jackshafts, the parallel input shaft is not in same horizontal plane, second, three pinion meshing, cup joint an adjusting shaft sleeve through key sliding guide on the output shaft, set up the shift fork mouth of external shift fork on the adjusting shaft sleeve, adjust a pair of gears through the key-type connection on the shaft sleeve, two gears of pair gear are along with the shift fork through shift fork mouth stir the adjusting shaft sleeve and move on the output shaft with first, three pinions are not the meshing state simultaneously; the first and second change gears have replaceable speed ratio. The device has simple and compact structure, is convenient and quick to use and adjust, and meets the use requirements of multiple speed ratio output in a wider range.
Description
Technical Field
The utility model relates to a speed reducer, a switching-over variable speed reducer specifically says so.
Background
The velocity ratio of traditional speed reducer is fixed, even if adjustable velocity ratio speed reducer, its velocity ratio also is when dispatching from the factory the timing good, adjusts the inside driven meshing portion of speed reducer through similar shift fork device, and the one that from this realizes is exported to two kinds of different velocity ratios, but the quantity of its velocity ratio still is limited, and the inside transmission of speed reducer can't be changed, has great limitation.
Disclosure of Invention
To the variable speed problem among the prior art, the utility model provides a simple structure, compactness, it is convenient to use, adjust, can effectively satisfy the switching-over variable speed reducer of multiple velocity ratio output in the broad scope.
The utility model adopts the technical proposal that: the utility model provides a switching-over variable speed reducer, includes box, input bevel gear axle, parallel input shaft, parallel jackshaft and output shaft more than the one-level, and the meshing of input bevel gear axle sets up the bevel gear on parallel input shaft, its characterized in that: the parallel input shaft extends out of the box body and is externally connected with a first change gear, the first parallel intermediate shaft extends out of the box body and is externally connected with a second change gear, the first change gear and the second change gear are in meshing transmission, the first parallel intermediate shaft is provided with a first pinion and a second pinion, the second parallel intermediate shaft is provided with a third pinion, the first parallel intermediate shaft, the second parallel intermediate shaft, the parallel input shaft and the output shaft are parallel, the first parallel intermediate shaft, the second parallel intermediate shaft and the parallel input shaft are not positioned on the same horizontal plane, the second pinion and the third pinion are meshed, the output shaft is sleeved with an adjusting shaft sleeve through key sliding guide, a shifting fork port externally connected with a shifting fork is arranged on the adjusting shaft sleeve, a duplex gear is connected on the adjusting shaft sleeve through a key, and two gears of the duplex gear move on the output shaft along; the first and second change gears have replaceable speed ratio.
The shifting fork comprises an inner fork rod, a rotary driving seat, a driving shaft and a driving handle, wherein the rotary driving seat is connected to the box body in a penetrating mode, the rotary driving seat is connected with the inner fork rod and an external driving handle in an internal connection mode, the inner fork rod is connected into the shifting fork port in a inserting mode, and the driving handle is connected with the inner fork rod through the driving shaft connected into the rotary driving seat in a rotary driving mode.
the utility model discloses an external intermeshing's of box first, two change gears will be on parallel input shaft power carries to the jackshaft, can require to different velocity ratios, change first, two change gears, earlier adjustment part velocity ratio on power input, and the required velocity ratio of output shaft output is passed through in the transmission of follow-up one-level or multistage jackshaft, its simple structure, compactness, and it is convenient to use, adjust, satisfies the operation requirement of multiple velocity ratio output in the broad scope.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a view A-A of FIG. 1;
Fig. 4 is a view B-B of fig. 1.
In the figure: the bevel gear box comprises a box body 1, an input bevel gear shaft 2, a parallel input shaft 3, a bevel gear 4, a first parallel intermediate shaft 5, a first pinion 6, a second pinion 7, a second parallel intermediate shaft 8, a third pinion 9, an output shaft 10, an adjusting shaft sleeve 11, a shifting fork 12, a duplicate gear 13, an inner fork rod 14, a rotary driving seat 15, a driving shaft 16, a driving handle 17, a first change gear 18 and a second change gear 19.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
FIGS. 1-4 show: a reversing speed change reducer comprises a box body 1, an input bevel gear shaft 2, a parallel input shaft 3, a bevel gear 4, a first parallel intermediate shaft 5, a first pinion 6, a second pinion 7, a second parallel intermediate shaft 8, a third pinion 9, an output shaft 10, an adjusting shaft sleeve 11, a duplicate gear 13, a first change gear 18 and a second change gear 19. The input bevel gear shaft 2 is meshed with a bevel gear 4 arranged on the parallel input shaft 3, the parallel input shaft 3 extends out of the box body 1 and is externally connected with a first change gear 18, the first parallel intermediate shaft 5 extends out of the box body and is externally connected with a second change gear 19, the first change gear and the second change gear are in meshed transmission, and the speed ratio of the first change gear and the second change gear is replaceable; the first parallel intermediate shaft 5 is provided with a first pinion 6 and a second pinion 7, the second parallel intermediate shaft 8 is provided with a third pinion 9, the first and the second parallel intermediate shafts, the parallel input shaft and the output shaft are parallel, the first and the second parallel intermediate shafts and the parallel input shaft are not positioned on the same horizontal plane, the second pinion and the third pinion are meshed, an adjusting shaft sleeve 11 is sleeved on the output shaft 10 through key sliding guide, a shifting fork opening 12 externally connected with a shifting fork is arranged on the adjusting shaft sleeve, a dual gear 13 is connected on the adjusting shaft sleeve through a key, and the two gears of the dual gear are in a state that the adjusting shaft sleeve is shifted through the shifting fork opening along with the shifting fork and moves on the output shaft and is not meshed with the.
The shifting fork structure in this embodiment includes inner fork 14, rotatory drive seat 15, drive shaft 16, drive handle 17, and rotatory drive seat cross-under is on the box, and rotatory drive seat inscription inner fork, external drive handle, and inner fork is pegged graft in the fork opening, and drive handle is through the rotatory drive connection inner fork of drive shaft that is worn in rotatory drive seat.
the shifting fork structure is only one embodiment of the invention, and all the structures adopting the technology similar to shifting forks stir the duplicate gears to move on the adjusting shaft sleeve are within the protection scope of the utility model.
Claims (2)
1. The utility model provides a switching-over variable speed reducer, includes box, input bevel gear axle, parallel input shaft, parallel jackshaft and output shaft more than the one-level, and the meshing of input bevel gear axle sets up the bevel gear on parallel input shaft, its characterized in that: the parallel input shaft extends out of the box body and is externally connected with a first change gear, the first parallel intermediate shaft extends out of the box body and is externally connected with a second change gear, the first change gear and the second change gear are in meshing transmission, the first parallel intermediate shaft is provided with a first pinion and a second pinion, the second parallel intermediate shaft is provided with a third pinion, the first parallel intermediate shaft, the second parallel intermediate shaft, the parallel input shaft and the output shaft are parallel, the first parallel intermediate shaft, the second parallel intermediate shaft and the parallel input shaft are not positioned on the same horizontal plane, the second pinion and the third pinion are meshed, the output shaft is sleeved with an adjusting shaft sleeve through key sliding guide, a shifting fork port externally connected with a shifting fork is arranged on the adjusting shaft sleeve, a duplex gear is connected on the adjusting shaft sleeve through a key, and two gears of the duplex gear move on the output shaft along; the first and second change gears have replaceable speed ratio.
2. The reversing variable speed reducer according to claim 1, wherein: the shifting fork comprises an inner fork rod, a rotary driving seat, a driving shaft and a driving handle, wherein the rotary driving seat is connected to the box body in a penetrating mode, the rotary driving seat is connected with the inner fork rod and an external driving handle in an internal connection mode, the inner fork rod is connected into the shifting fork port in a inserting mode, and the driving handle is connected with the inner fork rod through the driving shaft connected into the rotary driving seat in a rotary driving mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247293.1U CN209743496U (en) | 2019-02-27 | 2019-02-27 | reversing speed-changing speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247293.1U CN209743496U (en) | 2019-02-27 | 2019-02-27 | reversing speed-changing speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743496U true CN209743496U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247293.1U Active CN209743496U (en) | 2019-02-27 | 2019-02-27 | reversing speed-changing speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869445A (en) * | 2019-02-27 | 2019-06-11 | 江苏泰隆减速机股份有限公司 | A kind of commutation variable speed reducer |
-
2019
- 2019-02-27 CN CN201920247293.1U patent/CN209743496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869445A (en) * | 2019-02-27 | 2019-06-11 | 江苏泰隆减速机股份有限公司 | A kind of commutation variable speed reducer |
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