CN112901772A - Pneumatic gear shifting assembly for gearbox - Google Patents
Pneumatic gear shifting assembly for gearbox Download PDFInfo
- Publication number
- CN112901772A CN112901772A CN202110244148.XA CN202110244148A CN112901772A CN 112901772 A CN112901772 A CN 112901772A CN 202110244148 A CN202110244148 A CN 202110244148A CN 112901772 A CN112901772 A CN 112901772A
- Authority
- CN
- China
- Prior art keywords
- assembly
- cylinder
- gearbox
- shifting
- gear
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
Images
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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Abstract
The invention discloses a pneumatic gear shifting assembly for a gearbox, which comprises the gearbox, wherein the gearbox consists of an input shaft assembly, an output shaft assembly and a cylinder gear shifting assembly, the cylinder gear shifting assembly consists of a cylinder, a shifting fork shaft, a shifting fork, a spring, a steel ball and a piston, the shifting fork and the shifting fork shaft are connected in a pin connection mode, the upper end of the cylinder is provided with two air ports, and the two air ports are respectively a first cylinder air port and a second cylinder air port.
Description
Technical Field
The invention relates to a pneumatic gear shifting assembly for a gearbox.
Background
At present, urban vehicles such as buses and taxis mostly adopt mechanical gearboxes, the installation and manufacturing cost of the mechanical gearboxes is low, the oil consumption is low, but the mechanical gearboxes need to be separated from a clutch firstly when shifting gears, then a gear shifting handle is pulled, and then a series of operations such as engaging the clutch can be carried out to shift gears.
The gearbox not only can meet the requirements of various road conditions on vehicle driving on mechanical performance and ensure the safe driving of the vehicle, but also can meet the habits of users on operation so that the operation is comfortable and convenient and the driving feeling is achieved, in order to meet the dual requirements of safe driving and operation habits of users, the invention discloses a pneumatic mechanical automatic gear shifting system which mainly comprises a mechanical structure and an automatic control system, wherein the mechanical mechanism comprises a pneumatic gear shifting assembly, a shifting fork and the like, the automatic control system consists of an electric control system, a driver can conveniently realize gear shifting operation only by operating an electronic gear shifting handle (or other gear shifting interfaces such as a gear shifting knob and the like) without operating a clutch pedal, and the automatic control system can also feed back the automatic adjustment gear according to the real-time poetry data that the vehicle traveles in the vehicle driving process, ensure the safe driving of vehicle.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a pneumatic gear shifting assembly for a gearbox, which is convenient to operate.
The utility model provides a pneumatic assembly of shifting for gearbox, includes the gearbox, the gearbox constitute by input shaft subassembly, output shaft subassembly, cylinder gear shifting component constitute by cylinder, declutch shift shaft, shift fork, spring, steel ball and piston.
As a further improvement, the shifting fork is connected with the shifting fork shaft through a pin connection mode.
As a further improvement, the upper end of the cylinder is provided with two air ports which are respectively a first cylinder air port and a second cylinder air port.
As a further improvement, the input shaft assembly consists of a spline sleeve, an input shaft and an input gear.
As a further improvement, the input shaft assembly consists of a high-speed gear, a first needle bearing, a high-low gear meshing sleeve, a low-speed gear, a second needle bearing, a spline connecting seat and an output shaft.
Has the advantages that:
the invention transmits power from the input shaft to the output shaft, and the output shaft transmits the power to the front and the back simultaneously, thereby realizing four-wheel drive, greatly increasing the matching efficiency of the cylinder and the gearbox, ensuring the safe running of the vehicle, meeting the habit of users in operation, and ensuring comfortable operation and convenient maintenance.
Drawings
FIG. 1 is a schematic diagram of a pneumatic shifting assembly for a transmission;
FIG. 2 is a schematic view of a cylinder shift assembly;
FIG. 3 is a schematic view of the overall configuration of the cylinder shifting assembly;
1. the hydraulic control system comprises an input shaft assembly 2, an output shaft assembly 3, a cylinder gear shifting assembly 301, a cylinder 302, a shifting fork shaft 303, a spring 304, a steel ball 305, a shifting fork 306 and a piston.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in FIG. 1, a pneumatic shifting assembly for a gearbox comprises an input shaft assembly 1, an output shaft assembly 2, a cylinder shifting assembly 3, a cylinder 301, a shifting fork shaft 302, a spring 303, a steel ball 304, a shifting fork 305 and a piston 306.
The utility model provides a pneumatic assembly of shifting for gearbox, includes the gearbox, the gearbox constitute by input shaft subassembly 1, output shaft subassembly 2, cylinder subassembly 3 of shifting constitute by cylinder 301, declutch shift shaft 302, shift fork 305, spring 303, steel ball 304 and piston 306, link to each other through the mode of pin junction between shift fork 305 and the declutch shift shaft 302, the upper end of gas port be equipped with two gas ports, two gas ports be first cylinder gas port, second cylinder gas port respectively, the input shaft subassembly comprises spline housing, input shaft and input gear, the input shaft subassembly comprises high-speed gear, first bearing, high-low gear meshing cover, low-speed gear, second bearing, spline connection seat and output shaft.
When the power input device is used, the hydraulic motor is connected with the input shaft through the spline sleeve, the input gear 1 is connected with the input shaft through the spline, and the hydraulic motor drives the whole input shaft to rotate, so that power input is realized. The shifting fork and the shifting fork shaft are connected together through a pin, gas pushes the piston to move forwards through the gas port of the first cylinder, the piston drives the shifting fork shaft to move forwards, the shifting fork drives the high-low gear meshing sleeve, and the shifting fork spring and the steel ball are used for limiting. The high-low gear meshing sleeve moves to the low-speed gear through the shifting fork, so that the low-speed gear is meshed with the output shaft through the meshing sleeve, the connected input gear on the input shaft is meshed with the low-speed gear, power is transmitted to the output shaft through the input shaft, and the output shaft transmits the power to the front and the back simultaneously, so that four-wheel drive is realized. Similarly, the gas pushes the piston to move backwards through the gas port of the second cylinder, the piston drives the shifting fork to move backwards, the shifting fork drives the high-low gear meshing sleeve, the high-low gear meshing sleeve moves to the high-speed gear through the shifting fork, the high-speed gear is meshed with the output shaft through the meshing sleeve, the input gear is meshed with the high-speed gear, power is transmitted to the output shaft through the input shaft, and the output shaft transmits the power to the front and the back simultaneously, so that four-wheel drive is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a pneumatic assembly of shifting for gearbox which characterized in that, includes the gearbox, the gearbox constitute by input shaft subassembly, output shaft subassembly, cylinder gear shifting component constitute by cylinder, declutch shift shaft, shift fork, spring, steel ball and piston.
2. A pneumatic shift assembly as set forth in claim 1 wherein said fork is connected to said shaft by a pin connection.
3. A pneumatic shift assembly as set forth in claim 1 wherein said cylinder has two ports at an upper end thereof, said two ports being a first cylinder port and a second cylinder port.
4. A pneumatic shift assembly for a transmission as set forth in claim 1 wherein said input shaft assembly is comprised of a splined hub, an input shaft and an input gear.
5. A pneumatic shift assembly for a transmission as set forth in claim 1 wherein said input shaft assembly is comprised of a high speed gear, a first needle bearing, a high and low range sleeve, a low speed gear, a second needle bearing, a splined hub and an output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110244148.XA CN112901772A (en) | 2021-03-05 | 2021-03-05 | Pneumatic gear shifting assembly for gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110244148.XA CN112901772A (en) | 2021-03-05 | 2021-03-05 | Pneumatic gear shifting assembly for gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901772A true CN112901772A (en) | 2021-06-04 |
Family
ID=76107757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110244148.XA Pending CN112901772A (en) | 2021-03-05 | 2021-03-05 | Pneumatic gear shifting assembly for gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901772A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070028709A1 (en) * | 2005-08-03 | 2007-02-08 | Nissan Motor Co., Ltd. | Shift position sensor of automated manual transmission |
| CN202612599U (en) * | 2012-01-20 | 2012-12-19 | 张大刚 | Shift air cylinder of transmission gear |
| US20160318392A1 (en) * | 2015-04-28 | 2016-11-03 | Borgwarner Inc. | Power transfer unit (ptu) assembly with cylinder |
| CN107178609A (en) * | 2017-06-15 | 2017-09-19 | 厦门厦金机械股份有限公司 | The high low gear gearshift of ecp |
| CN110185751A (en) * | 2019-06-28 | 2019-08-30 | 一汽解放汽车有限公司 | A kind of gear of gearbox three odd-side structure |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
-
2021
- 2021-03-05 CN CN202110244148.XA patent/CN112901772A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070028709A1 (en) * | 2005-08-03 | 2007-02-08 | Nissan Motor Co., Ltd. | Shift position sensor of automated manual transmission |
| CN202612599U (en) * | 2012-01-20 | 2012-12-19 | 张大刚 | Shift air cylinder of transmission gear |
| US20160318392A1 (en) * | 2015-04-28 | 2016-11-03 | Borgwarner Inc. | Power transfer unit (ptu) assembly with cylinder |
| CN107178609A (en) * | 2017-06-15 | 2017-09-19 | 厦门厦金机械股份有限公司 | The high low gear gearshift of ecp |
| CN110185751A (en) * | 2019-06-28 | 2019-08-30 | 一汽解放汽车有限公司 | A kind of gear of gearbox three odd-side structure |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
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| RJ01 | Rejection of invention patent application after publication |