CN105090384A - Gear shifting speed reducer - Google Patents
Gear shifting speed reducer Download PDFInfo
- Publication number
- CN105090384A CN105090384A CN201510469041.XA CN201510469041A CN105090384A CN 105090384 A CN105090384 A CN 105090384A CN 201510469041 A CN201510469041 A CN 201510469041A CN 105090384 A CN105090384 A CN 105090384A
- Authority
- CN
- China
- Prior art keywords
- deboost axle
- shaft
- gear
- gears
- speed reduction
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/042—Ratio selector apparatus comprising a final actuating mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Abstract
The invention provides a gear shifting speed reducer and relates to the technical field of machines. The gear shifting speed reducer comprises a case. An input shaft, a first speed reduction shaft and a second speed reduction shaft are arranged in the case. Two pairs of primary speed reduction gears are arranged between the input shaft and the first speed reduction shaft. Two gears of the input shaft are separated from each other. Two gears of the first speed reduction shaft are installed on the first speed reduction shaft side by side. Secondary speed reduction gears are arranged between the first speed reduction shaft and the second speed reduction shaft. The center lines of the input shaft and the second speed reduction shaft are located on the same straight line. A shifting fork shaft is arranged above the first speed reduction shaft and provided with a shifting fork. A shifting head of the shifting fork is arranged between the two gears of the first speed reduction shaft. By the adoption of the gear shifting speed reducer, the inner structure is installed compactly; the bevel gears are adopted, so that operation is smooth, noise is low, the requirements of a special mechanism are met, and operation is convenient; and through a shifting handle, different rotation speeds and torque can be transmitted, and the requirements of people are met.
Description
Technical field
The present invention relates to mechanical field, be specifically related to a kind of gear shifting speed reducer.
Background technique
Speed reducer plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, and speed reducer is a kind of relatively accurate machinery, uses its object to be reduce rotating speed, increases torque.Single-stage and multi-stage speed-reducing machine can be divided into according to transmission progression difference; Cylindrical gear reducer, conical gear reducer and circular cone-Cylinder Gear running wheel speed reducer can be divided into according to tooth factory wheel shape; Expansion, flow deviding type can be divided into again according to the setting type of transmission and enter shaft type speed reducer together.The individual components that retarder is a kind of gear transmission by being enclosed in stiff case, worm drive, pinion-endless screw transmission form, is commonly used for the speed reduction gearing between driving link and working machine.Between prime mover and working machine or actuator, play coupling rotating speed and transmitting torque, apply very extensive in modern mechanical.
But because the output speed of general speed reducer and torque are fixing, inapplicable in some special entities, so be badly in need of now a kind of rotation flexibly, compact structure, noise is little, and can provide the speed reducer of different rotating speeds and torque, can meet people's requirement, make output end of reducer and input end on the same line, can allow people's easy-to-operat.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of compact structure, easy to use, enough provides the gear shifting speed reducer of different rotating speeds and torque, i.e. a kind of gear shifting speed reducer.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of gear shifting speed reducer, comprise cabinet, input shaft is provided with in described cabinet, first deboost axle and the second deboost axle, two pairs of primary speed-down gears are provided with between described input shaft and the first deboost axle, two gears of described input shaft are separated from each other, two gears of described first deboost axle are arranged on described first deboost axle shoulder to shoulder, double-reduction gear is provided with between described first deboost axle and the second deboost axle, the center line of described input shaft and the second deboost axle is on same straight line, declutch shift shaft is provided with above described first deboost axle, described declutch shift shaft is provided with shift fork, the shifting block of described shift fork is arranged between described first deboost axle two gear.
Described input shaft is gear shaft, and the input end of described input shaft is provided with tapped hole, and is arranged in end cap by a Biserial cylindrical roller bearing and a ball bearing, and the other end is arranged in described cabinet by ball bearing.
Two gears of described first deboost axle are arranged on the first deboost axle by keyway, and the double-reduction gear on described first deboost axle is helical gear, and described first deboost axle two ends are all arranged in described cabinet by ball bearing.
Gear on described second deboost axle is helical gear, and described second deboost axle is arranged in described cabinet by ball bearing, and described second deboost axle one end is stretched out cabinet and be which is provided with keyway.
Described declutch shift shaft is threaded connection in the chassis, and its upper shift fork is connected with outer handle with rotatingshaft by rocking bar.
Its working principle is: the input end of input shaft connects external agency by tapped hole, external agency's band driven input shaft rotates, and stirs outer handle, drives rotatingshaft to rotate, rotatingshaft drives rocking bar to swing, rocking bar drives shift fork to slide on declutch shift shaft, thus selects any pair primary speed-down gears meshing, and then gear driven first deboost axle rotates, drive the engagement rotation of double-reduction gear, drive the second deboost axle to rotate, realize slowing down, then pass rotating speed and torque by the second deboost axle.
The invention has the beneficial effects as follows: input shaft of the present invention and the second deboost axle center line are located along the same line, meet the requirement of special entity, easy to operate, by stirring handle, the present invention can pass out different rotating speeds and torque, meets people's requirement, internal structure of the present invention is installed compact, by adopting helical gear, the present invention operates steadily, and noise is little.
Accompanying drawing explanation
Fig. 1 is top view cross section structural representation of the present invention;
Fig. 2 of the present inventionly faces cross-sectional view;
Fig. 3 is side elevational cross-section structural representation of the present invention.
In figure: 101, input shaft input end; 102, input shaft first primary speed-down gear; 103, input shaft; 104, input shaft second primary speed-down gear; 105, cabinet; 106, the second deboost axle double-reduction gear; 107, the second deboost axle; 108, the first deboost axle double-reduction gear; 109, the first deboost axle; 110, the first deboost axle first primary speed-down gear; 111, the first deboost axle second primary speed-down gear; 112, end cap; 201, shift fork; 202, declutch shift shaft; 203, shifting block; 301, outer handle; 302, rotatingshaft; 303, rocking bar.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
A kind of gear shifting speed reducer, comprise cabinet 105, input shaft 103 is provided with in cabinet 105, first deboost axle 109 and the second deboost axle 107, two pairs of primary speed-down gears are provided with between input shaft 103 and the first deboost axle 109, two gears of input shaft 103 are separated from each other, two gears of the first deboost axle 109 are arranged on the first deboost axle 109 shoulder to shoulder, double-reduction gear is provided with between first deboost axle 109 and the second deboost axle 107, the center line of input shaft 105 and the second deboost axle 107 is on same straight line, declutch shift shaft 202 is provided with above first deboost axle 109, declutch shift shaft 202 is provided with shift fork 201, the shifting block 203 of shift fork 201 is arranged between the first deboost axle 109 liang of gears, input, 103 is gear shaft, the input end 101 of input shaft is provided with tapped hole, and be arranged in end cap by a Biserial cylindrical roller bearing and a ball bearing, the other end is arranged in described cabinet by ball bearing, first slows down, two gears of 109 are arranged on the first deboost axle 109 by keyway, double-reduction gear on first deboost axle 109 is helical gear, first deboost axle 1109 two ends are all arranged in cabinet 105 by ball bearing, gear on second deboost axle 107 is helical gear, second deboost axle 107 is arranged in cabinet 105 by ball bearing, second deboost axle 105 one end is stretched out cabinet and be which is provided with keyway, declutch shift shaft 202 is threaded connection in cabinet 105, its upper shift fork 201 is connected with outer handle 301 with rotatingshaft 302 by rocking bar 303.Working principle of the present invention is: the input end 101 of input shaft connects external agency by tapped hole, external agency's band driven input shaft 103 rotates, stir outer handle 301, rotatingshaft 302 is driven to rotate, rotatingshaft 302 drives rocking bar 303 to swing, rocking bar 303 drives shift fork 201 to slide on declutch shift shaft 202, thus select any pair primary speed-down gears meshing, then gear driven first deboost axle 109 rotates, drive the engagement rotation of double-reduction gear, the second deboost axle 107 is driven to rotate, realize slowing down, rotating speed and torque is passed again by the second deboost axle 107.Input shaft 103 of the present invention and the second deboost axle 107 center line are located along the same line, meet the requirement of special entity, easy to operate, by stirring outer handle, the present invention can pass out different rotating speeds and torque, meets people's requirement, internal structure of the present invention is installed compact, by adopting helical gear, the present invention operates steadily, and noise is little.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a gear shifting speed reducer, it is characterized in that: comprise cabinet, input shaft is provided with in described cabinet, first deboost axle and the second deboost axle, two pairs of primary speed-down gears are provided with between described input shaft and the first deboost axle, two gears of described input shaft are separated from each other, two gears of described first deboost axle are arranged on described first deboost axle shoulder to shoulder, double-reduction gear is provided with between described first deboost axle and the second deboost axle, the center line of described input shaft and the second deboost axle is on same straight line, declutch shift shaft is provided with above described first deboost axle, described declutch shift shaft is provided with shift fork, the shifting block of described shift fork is arranged between described first deboost axle two gear.
2. a kind of gear shifting speed reducer according to claim 1, it is characterized in that: described input shaft is gear shaft, the input end of described input shaft is provided with tapped hole, and being arranged in end cap by a Biserial cylindrical roller bearing and a ball bearing, the other end is arranged in described cabinet by ball bearing.
3. a kind of gear shifting speed reducer according to claim, it is characterized in that: two gears of described first deboost axle are arranged on the first deboost axle by keyway, double-reduction gear on described first deboost axle is helical gear, and described first deboost axle two ends are all arranged in described cabinet by ball bearing.
4. a kind of gear shifting speed reducer according to claim 3, it is characterized in that: the gear on described second deboost axle is helical gear, described second deboost axle is arranged in described cabinet by ball bearing, and described second deboost axle one end is stretched out cabinet and be which is provided with keyway.
5. a kind of gear shifting speed reducer according to claim 1, it is characterized in that: described declutch shift shaft is threaded connection in the chassis, its upper shift fork is connected with outer handle with rotatingshaft by rocking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510469041.XA CN105090384A (en) | 2015-07-30 | 2015-07-30 | Gear shifting speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510469041.XA CN105090384A (en) | 2015-07-30 | 2015-07-30 | Gear shifting speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090384A true CN105090384A (en) | 2015-11-25 |
Family
ID=54571453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510469041.XA Pending CN105090384A (en) | 2015-07-30 | 2015-07-30 | Gear shifting speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438999A (en) * | 2016-11-04 | 2017-02-22 | 安徽池州家用机床股份有限公司 | Shifting fork linkage device |
| CN108603570A (en) * | 2016-02-08 | 2018-09-28 | 恩普乐斯股份有限公司 | The assembly method of geared system and geared system |
-
2015
- 2015-07-30 CN CN201510469041.XA patent/CN105090384A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603570A (en) * | 2016-02-08 | 2018-09-28 | 恩普乐斯股份有限公司 | The assembly method of geared system and geared system |
| CN106438999A (en) * | 2016-11-04 | 2017-02-22 | 安徽池州家用机床股份有限公司 | Shifting fork linkage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |