CN2574932Y - Speed-changing operating mechanism for tractor - Google Patents
Speed-changing operating mechanism for tractor Download PDFInfo
- Publication number
- CN2574932Y CN2574932Y CN 02276699 CN02276699U CN2574932Y CN 2574932 Y CN2574932 Y CN 2574932Y CN 02276699 CN02276699 CN 02276699 CN 02276699 U CN02276699 U CN 02276699U CN 2574932 Y CN2574932 Y CN 2574932Y
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- CN
- China
- Prior art keywords
- tooth
- output shaft
- fixed
- retaining
- piston
- 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
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Abstract
The utility model provides a second-gear pneumatic type auxiliary transmission for an automobile, which comprises a casing body, an input shaft, an intermediate shaft and an output shaft. The utility model is characterized in that the intermediate shaft is fixedly provided with a constant engaging tooth and a first four-gear tooth; the constant engaging tooth is engaged with an end tooth on the input shaft; the first four-gear tooth is engaged with a second four-gear tooth which is fixed to the output shaft; a synchronizer is fixed on the output shaft; one end of a shifting yoke is fixed to the synchronizer, and the other end is fixed on a piston which is sheathed with a reset spring; a piston cylinder is provided with an air inlet passage. The utility model has the advantage of simple structure, convenient manufacture and maintenance and simple operation.
Description
1. technical field
The utility model relates to the transmission system of self-propelled vehicle, particularly a kind of two retaining Pneumatic automobile demultiplicators that are used with vehicle transmission.
2. background technology
Existing automobile only adopts a main gearbox, power at driving engine can not increase on the full-power basis at double, change-speed box can not be worked under the condition of several times ability, make self-propelled vehicle when heavy grade is climbed, have the hill climbing ability deficiency, climb to come out in getting down hopeless in a quagmire when being trapped in the road mire.
The purpose of this utility model is intended to overcome the shortcoming of prior art, and a kind of increase automobile power is provided, and makes the automobile can be at any road traveling, fuel-saving two retaining Pneumatic automobile demultiplicators.
3. summary of the invention
The purpose of this utility model is to realize like this, a kind of two retaining Pneumatic automobile demultiplicators, comprise housing, input shaft, tween drive shaft, output shaft, it is characterized in that: be fixed with constant-mesh tooth and the 1 four retaining tooth on the tween drive shaft, the end tooth engagement on constant-mesh tooth and the input shaft; The 1 four keeps off tooth and is fixed on the engagement of the retaining of the 2 four on output shaft tooth; Synchro is fixed on the output shaft; Selector fork one end is fixed on synchro, and the other end is fixed on the piston, is with retracing spring on the piston, and piston cylinder has inlet channel.
Further scheme of the present utility model is, inlet channel is connected to threeway air switch one end by pipeline, and the threeway air switch other end connects automobile self Air compressor by tracheae, and the remaining end of threeway air switch is an exhaust side.
Further scheme of the present utility model is, open threeway air switch pressurized air and enter piston cylinder promotion piston motion by inlet channel, piston drives selector fork and moves right, selector fork drives synchro and moves right, input shaft disconnects with output shaft and being connected, input shaft drives the constant-mesh tooth and rotates, and the 2 four retaining tooth engagement of the 1 four retaining tooth of tween drive shaft and output shaft drives output shaft and rotates; Rotate the threeway air switch to exhaust side, pressurized air is got rid of pressurized air by the piston cylinder inlet channel, and piston resets under the drive of retracing spring, and selector fork drives synchro and resets, and synchro is connected to become rigid unitary with input shaft and output shaft.
Further scheme of the present utility model is, the right-hand member of described input shaft has the blind hole that bearing is housed, and output shaft front end step part is fixed in the bearing.
Further scheme of the present utility model is in the described piston cylinder seal gasket to be arranged.
The utility model is compared with prior art, and is simple in structure, make easy to maintenancely, and parts mostly are gauge member interchangeability height; The left end of output shaft of the present utility model in input shaft, has reduced noise by bearing fixing; The utility model is installed between power-transfer clutch and the main gearbox, makes every grade of main gearbox obtain to increase by about 40% speed ratio, has strengthened the automobile hill climbing ability and in the ability of abominable road traveling.
Below in conjunction with accompanying drawing the utility model is further described.
4. description of drawings
Fig. 1 is a structural representation of the present utility model.
As shown in Figure 1, a kind of two retaining Pneumatic automobile demultiplicators comprise housing 1, input shaft 2, tween drive shaft 3, output shaft 4, and the right-hand member of input shaft 2 has the blind hole 16 that bearing 15 is housed, and output shaft 4 front end step parts 17 are fixed in the bearing 15.
Be fixed with constant-mesh tooth 5 and the 1 four retaining tooth 6 on the tween drive shaft 3, the end tooth engagement on constant-mesh tooth 5 and the input shaft 2; The 1 four keeps off tooth 6 and is fixed on 7 engagements of the retaining of the 2 four on the output shaft 4 tooth; Synchro 8 is fixed on the output shaft 4; Selector fork 9 one ends are fixed on synchro 8, and the other end is fixed on the piston 10, is with retracing spring 11 on the piston 10, and piston cylinder 12 has inlet channel 13, and seal gasket 18 is arranged in the piston cylinder 12; Inlet channel 13 connects threeway air switch 14 1 ends by pipeline, and the other end of threeway air switch 14 connects automobile self Air compressor by tracheae.The port that threeway air switch 14 is left is as giving vent to anger port.
Open threeway air switch 14 and connect Air compressor and piston cylinder 12, pressurized air enters piston cylinder 12 by inlet channel 13 and promotes piston 10 motions, driving selector fork 9 moves right, selector fork 9 drives synchro 8 and moves right, input shaft 2 disconnects with output shaft 4 and being connected, and input shaft 2 drives constant-mesh tooth 5 and rotates, the 2 four retaining tooth 7 engagements of the 1 four retaining tooth 6 of tween drive shaft and output shaft, drive output shaft 4 and rotate, be 2 grades this moment; Threeway air switch 14 rotates to exhaust side, pressurized air is got rid of pressurized air by the inlet channel 13 of piston cylinder 12, and piston 10 resets under the drive of retracing spring 11, and selector fork 9 drives synchro 8 and resets, synchro 8 is connected to become rigid unitary with input shaft 2 and output shaft 4, and be 1 grade this moment.
The transmission process of the utility model when reality is used, power-transfer clutch to two retaining Pneumatic automobile demultiplicator arrives main gearbox again.
Two retaining Pneumatic automobile demultiplicators are in 1 P PARK Position P in the use, and promptly input shaft 2 is connected by synchro 8 with output shaft 4 becomes rigid unitary, and the power of power-transfer clutch transmission directly is sent to main gearbox.
When needs increase power, open threeway air switch 14, pressurized air is fed in the piston cylinder 12, promote piston 10 motions, driving selector fork 9 moves right, selector fork 9 drives synchro 8 and moves right, input shaft 2 disconnects with output shaft 4 and being connected, input shaft 2 drives constant-mesh tooth 5 and rotates, the 1 four retaining tooth 6 of tween drive shaft meshes with the 2 four retaining tooth 7 of output shaft, drives output shaft 4 and rotates, and this moments two, retaining Pneumatic automobile demultiplicator was in 2 grades, then can make every grade of power of main gearbox increase by 40%, vehicle is easy to by sloping road or mashed road.
Claims (5)
1. one kind two is kept off the Pneumatic automobile demultiplicator, comprise housing (1), input shaft (2), tween drive shaft (3), output shaft (4), it is characterized in that: be fixed with constant-mesh tooth (5) and the 1 four retaining tooth (6) on the tween drive shaft (3), the end tooth engagement on constant-mesh tooth (5) and the input shaft (2); The 1 four keeps off tooth (6) and is fixed on the retaining tooth of the 2 four on the output shaft (4) (7) engagement; Synchro (8) is fixed on the output shaft (4); Selector fork (9) one ends are fixed on synchro (8), and the other end is fixed on the piston (10), is with retracing spring (11) on the piston (10), and piston cylinder (12) has inlet channel (13).
2. two retaining Pneumatic automobile demultiplicators as claimed in claim 1, it is characterized in that: inlet channel (13) connects threeway air switch (14) one ends by pipeline, threeway air switch (14) other end connects automobile self Air compressor by tracheae, and the remaining end of threeway air switch (14) is an exhaust side.
3. two retaining Pneumatic automobile demultiplicators as claimed in claim 1 or 2, it is characterized in that: open threeway air switch (14) pressurized air and enter piston cylinder (12) promotion piston (10) motion by inlet channel (13), piston (10) drives selector fork (9) and moves right, selector fork (9) drives synchro (8) and moves right, input shaft (2) disconnects with output shaft (4) and being connected, input shaft (2) drives constant-mesh tooth (5) and rotates, the 1 four retaining tooth (6) of tween drive shaft meshes with the 2 four retaining tooth (7) of output shaft, drives output shaft (4) and rotates; Rotate threeway air switch (14) to exhaust side, pressurized air is got rid of pressurized air by piston cylinder (12) inlet channel (13), piston (10) resets under the drive of retracing spring (11), selector fork (9) drives synchro (8) and resets, and synchro (8) is connected to become rigid unitary with input shaft (2) and output shaft (4).
4. two retaining Pneumatic automobile demultiplicators as claimed in claim 1 or 2, it is characterized in that: the right-hand member of described input shaft (2) has the blind hole (16) that bearing (15) are housed, and output shaft (4) front end step part (17) is fixed in the bearing (15).
5. two retaining Pneumatic automobile demultiplicators as claimed in claim 1 is characterized in that: seal gasket (18) is arranged in the described piston cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276699 CN2574932Y (en) | 2002-09-29 | 2002-09-29 | Speed-changing operating mechanism for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276699 CN2574932Y (en) | 2002-09-29 | 2002-09-29 | Speed-changing operating mechanism for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574932Y true CN2574932Y (en) | 2003-09-24 |
Family
ID=33740502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02276699 Expired - Fee Related CN2574932Y (en) | 2002-09-29 | 2002-09-29 | Speed-changing operating mechanism for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574932Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501056A (en) * | 2015-12-16 | 2016-04-20 | 徐州重型机械有限公司 | Speed reducer, hydraulic driving system and two-motor driving system |
-
2002
- 2002-09-29 CN CN 02276699 patent/CN2574932Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501056A (en) * | 2015-12-16 | 2016-04-20 | 徐州重型机械有限公司 | Speed reducer, hydraulic driving system and two-motor driving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |