CN203162029U - External force intervention type machinery automatic transmission device - Google Patents
External force intervention type machinery automatic transmission device Download PDFInfo
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- CN203162029U CN203162029U CN 201320114152 CN201320114152U CN203162029U CN 203162029 U CN203162029 U CN 203162029U CN 201320114152 CN201320114152 CN 201320114152 CN 201320114152 U CN201320114152 U CN 201320114152U CN 203162029 U CN203162029 U CN 203162029U
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- gear
- differential mechanism
- external force
- compensating
- toothed
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Abstract
The utility model discloses an external force intervention type machinery automatic transmission device which is used for a vehicle speed variation device, and comprises a compensating gear, a gear and a semi-shaft, wherein the input end basin tooth of the compensating gear I is meshed with a transmission gear, a starter drive and a toothed gear I are arranged on the left semi-shaft of the compensating gear I, a starter drive and a toothed gear II are arranged on the right semi-shaft of the compensating gear, the toothed gear II is meshed with the input end basin tooth of the compensating gear II, a toothed gear III is arranged on the left semi-shaft of the compensating gear II, and a starter drive and a friction gear are arranged on the output shaft; the toothed gear I is meshed with the toothed gear III, and a blade is arranged on the toothed gear I, and the blade and one tooth surface of the toothed gear I form an acute angle; needle bearings are arranged in the inner rings of the toothed gears of the compensating gear I and the compensating gear II; and an output shaft is arranged on the right side of the compensating gear II. According to the external force intervention type machinery automatic transmission device provided by the utility model, required torch can be generated under the designed speed range through the mutual effect between the two compensating gears and toothed gears, so as to realize automatic shift without limit; and the device has a simple structure, is simple in manufacturing process, low in cost, easy to repair and maintain, and is economical and practical.
Description
Technical field
The utility model relates to a kind of speed change gear, and especially a kind of external force is intervened the formula automatic speed changer for machine.
Background technique
At present, mechanical device, for example the speed change gear of automobile etc. is made up of variable transmission mechanism and operating mechanism, when needing, can also install power take off additional.Speed change gear divides by the velocity ratio variation pattern: 1. step type speed changer: be use at present the widest a kind of.It adopts gear transmission, has several definite value velocity ratios.By used train pattern difference, two kinds of common speed changer and planetary transmissions are arranged.Present car and velocity ratio light, the medium truck speed changer have 3-5 forward gears and a reverse gear usually, in the combinatory transmission that heavy goods vehicle is used, more gears are arranged then.2. stepless speed changer: its velocity ratio can be by unlimited multistage variation in certain number range, and common have two kinds of electric power formula and hydraulic types.The speed change transmission part of electric power formula stepless speed variator is direct current series motor, except trolley bus is used, the trend of extensive employing is arranged also in superduty dumping car power train.The transmission part of liquid flowing type stepless speed variator is fluid torque converter.3. integrated type speed changer: refer to the hydraulic mechanical type speed changer formed by fluid torque converter and gear type step change transmission, its velocity ratio can maximum refer to and minimum value between the scope of several interruptions in do stepless variation, use more at present.
But there is the manufacturing process complexity in existing stepless speed changer, the manufacture cost height, and scale of investment is big; Mechanism's complexity is repaired difficulty, the maintenance cost height; Oil consumption is big, problems such as Economy relative mistake.
The model utility content
For solving the problem of existing stepless transmission mechanism complexity, manufacture cost height, maintenance difficult, the utility model provides that a kind of mechanism is simple, low cost of manufacture and keep in repair easy external force and intervene the formula automatic speed changer for machine.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of external force is intervened the formula automatic speed changer for machine, comprise differential mechanism, gear and semiaxis, described differential mechanism one input end basin tooth and driving cog engagement, described differential mechanism one left half axle is provided with one-way element and gear one, described differential mechanism right axle shaft is provided with one-way element and gear two, described gear two and the engagement of differential mechanism two input end basin teeth, described differential mechanism two left half axles are provided with gear three, and described output shaft is provided with one-way element and friction wheel.
Described gear one and gear three engagements, described gear one is provided with blade.
Described blade and gear one flank of tooth angulation are acute angle.
Described gear one compares more than or equal to 5: 1 with the gear of gear three.
The gear of described driving cog and differential mechanism one basin tooth is 1 than the gear ratio with gear two and differential mechanism two basin teeth: 1-1: 2 scope.
The planetary pinion of described differential mechanism one and differential mechanism two compares more than or equal to 1: 1 with the gear of sun gear.
The inner ring gear of described differential mechanism one and differential mechanism two is equipped with needle bearing.
Described differential mechanism two right sides are provided with output shaft.
The beneficial effects of the utility model are:
The utility model makes this device produce needed moment under any operating mode in the design speed scope by the interaction between two differential mechanisms and the gear, thereby realizes automatic stepless limit speed change; This apparatus structure is simple, manufacturing process is simple, low cost of manufacture, be easy to repair and maintenance, and is economical and practical.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Among the figure, 1. differential mechanism one, 2. driving cog, and 3. one-way element, 4. gear one, and 5. gear two, and 6. differential mechanism two, and 7. gear three, 8. output shaft, 9. friction wheel.
Embodiment
As shown in Figure 1, a kind of external force is intervened the formula automatic speed changer for machine, by differential mechanism 1, and driving cog 2, one-way element 3, gear 1, gear 25, differential mechanism 26, gear 37, output shaft 8 and friction wheel 9 constitute.
In external force intervention formula automatic speed changer for machine, the two-stage semiaxis is set, differential mechanism 1 is installed on the first order semiaxis, driving cog 2 engagements of differential mechanism one 1 input end basin teeth and transmission shaft, gear one is installed on differential mechanism one 1 left half axles, one-way element 3 is installed in gear one 4 left sides, gear 25, one 1 installation one-way elements 3 of gear 25 and differential mechanism are installed on differential mechanism one 1 right axle shafts.
Differential mechanism 26 is installed on the semiaxis of the second level, gear 37 is installed on differential mechanism 26 left half axles, gear 37 and gear one 4 engagements, the gear of gear 1 and gear 37 is than more than or equal to 5: 1.Gear 25 meshes with the input end basin tooth of differential mechanism 26, on the gear 1 blade is installed, and blade and gear one 4 flank of tooth acutangulate, and makes that resistance increased when gear 1 rotated.
The gear of driving cog 2 and differential mechanism one 1 input end basin teeth is 1: 1 than the gear ratio with gear 25 and differential mechanism 26 input end basin teeth.The planetary pinion of differential mechanism 1 and differential mechanism 26 compares more than or equal to 1: 1 with the gear of sun gear.The inner ring gear of differential mechanism 1 and differential mechanism 26 is equipped with needle bearing.
Connect output shaft 8 on the differential mechanism 26 right axle shaft positions, friction wheel 9 is installed and at friction wheel 9 and 26 installation one-way elements 3 of differential mechanism on the output shaft 8.
The utility model implementation process:
During startup, friction wheel 9 control output shafts 8 are motionless, and two-stage semiaxis moment of rotation is identical, because the gear ratio of gear 1 and gear 37 is 5: 1, and is equipped with blade on the gear 1, its resultant moment of force that makes two-stage semiaxis moment of rotation produce impels output shaft to rotate.
When moving forward and backward, friction wheel 9 control output shafts 8 are motionless, and the gearshift of automobile is realized moving forward and backward by its connecting rod drag friction wheel 9.
This device is controlled the scope of speed change by control gear 1 and the input end basin tooth radius proportionate relationship of radius ratio, gear 25 and the differential mechanism 26 of gear 37; Gear 1 is bigger than more with the gear of gear 37, and the variable force square that speed change produces is more big; Gear 1 compares with more big with the numerical difference between of the gear ratio of differential mechanism 26 input end basin teeth at gear 25 with the gear of gear 37, and the scope of speed change is more wide.
Should be understood that above-mentioned embodiment of the present utility model only is used for exemplary illustration or explains principle of the present utility model, and does not constitute restriction of the present utility model.Therefore, any modification of under the situation that does not depart from spirit and scope of the present utility model, making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.In addition, the utility model claims are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (8)
1. an external force is intervened the formula automatic speed changer for machine, comprise differential mechanism, gear and semiaxis, it is characterized in that: described differential mechanism one (1) input end basin tooth and driving cog (2) engagement, described differential mechanism one left half axle is provided with one-way element (3) and gear one (4), described differential mechanism one right axle shaft is provided with one-way element (3) and gear two (5), described gear two (5) and the engagement of differential mechanism two (6) input end basin teeth, described differential mechanism two left half axles are provided with gear three (7), and described output shaft (8) is provided with one-way element (3) and friction wheel (9).
2. external force according to claim 1 is intervened the formula automatic speed changer for machine, it is characterized in that: described gear one (4) and gear three (7) engagements, described gear one (4) is provided with blade.
3. external force according to claim 1 is intervened the formula automatic speed changer for machine, and it is characterized in that: described blade and gear one (4) flank of tooth angulation are acute angle.
4. external force according to claim 1 is intervened the formula automatic speed changer for machine, it is characterized in that: the gear ratio of described gear one (4) and gear three (7) was more than or equal to 5: 1.
5. external force according to claim 1 is intervened the formula automatic speed changer for machine, it is characterized in that: the gear of described driving cog (2) and differential mechanism one basin tooth is 1 than the gear ratio with gear two (5) and differential mechanism two basin teeth: 1-1: 2 scope.
6. external force according to claim 1 is intervened the formula automatic speed changer for machine, it is characterized in that: the planetary pinion of described differential mechanism one (1) and differential mechanism two (6) compares more than or equal to 1: 1 with the gear of sun gear.
7. external force according to claim 1 is intervened the formula automatic speed changer for machine, and it is characterized in that: the inner ring gear of described differential mechanism one (1) and differential mechanism two (6) is equipped with needle bearing.
8. external force according to claim 1 is intervened the formula automatic speed changer for machine, and it is characterized in that: described differential mechanism two (6) right sides are provided with output shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114152 CN203162029U (en) | 2013-03-13 | 2013-03-13 | External force intervention type machinery automatic transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114152 CN203162029U (en) | 2013-03-13 | 2013-03-13 | External force intervention type machinery automatic transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162029U true CN203162029U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114152 Expired - Fee Related CN203162029U (en) | 2013-03-13 | 2013-03-13 | External force intervention type machinery automatic transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664194A (en) * | 2016-07-28 | 2018-02-06 | 钟跃荣 | A kind of mechanical stepless speed change method and buncher |
-
2013
- 2013-03-13 CN CN 201320114152 patent/CN203162029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664194A (en) * | 2016-07-28 | 2018-02-06 | 钟跃荣 | A kind of mechanical stepless speed change method and buncher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140313 |