CN203009786U - Gear box assembly - Google Patents
Gear box assembly Download PDFInfo
- Publication number
- CN203009786U CN203009786U CN 201220733977 CN201220733977U CN203009786U CN 203009786 U CN203009786 U CN 203009786U CN 201220733977 CN201220733977 CN 201220733977 CN 201220733977 U CN201220733977 U CN 201220733977U CN 203009786 U CN203009786 U CN 203009786U
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- China
- Prior art keywords
- gear
- synchronizer
- low
- axle
- circumferentially
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- 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 - Lifetime
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- Gear-Shifting Mechanisms (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a gear box assembly which comprises a box body, wherein a main shaft is installed in the box body in a rotary mode, a backward gear, a forward gear, a high-speed gear and a low-speed gear are sleeved on the main shaft in a loose mode, a forward-backward gear synchronizer is arranged between the backward gear and the forward gear, a high-low gear synchronizer is arranged between the high-speed gear and the low-speed gear, the forward-backward gear synchronizer and the high-low gear synchronizer are fixedly connected with the main shaft along the circumferential direction, a front-rear gear shift lever and a high-low gear shift lever are installed on the box body, a front-rear gear shifting fork is installed on the front-rear gear shift lever and is connected with the forward-backward gear synchronizer in a movable mode, a high-low gear shifting fork is installed on the high-low gear shift lever and is connected with the high-low gear synchronizer in a movable mode, a neutral gear switch is installed on the box body, and the neutral gear switch is connected with an electronic control unit used for controlling start of a motor. Due to the adoption of the neutral start control switch (neutral switch), safety is improved, and the motor can only be started in a neutral gear mode.
Description
Technical field
The utility model relates to machine power drive technology field, relates in particular to a kind of transmission assembly.
Background technique
Mechanical gear box is used for the engineering machinery such as fork truck, tractor.Mechanical gear box is comprised of clutch, gearbox, retarder and differential mechanism four parts.The power of motor through driving shaft is delivered to the input gear assembly of gearbox on combination by spline by the separation of clutch cover and plate assembly, control by gear level again, be delivered on output gear by high, low speed gear and forward gear or reverse gear, the power that output gear spreads out of through output flange and universal shaft coupling produces differential through retarder by differential assembly and drives and pass on wheel by differential gear and semiaxis.Gearbox and retarder itself play a part fuel tank simultaneously.Gearbox is with being fixedly connected with by support (shock bracket) between retarder.In prior art, the gear of gearbox also can start when forward gear, poor stability.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of transmission assembly, adopts meta to start control switch (neutral position switch), improves Security, and motor can only could be started in neutral.
To achieve the above object, the utility model has adopted following technological scheme:
A kind of transmission assembly, comprise casing, be rotatablely equipped with main shaft in casing, be set with reverse gear, forward gear gear, high gear and low speed gear on main shaft, be provided with between reverse gear and forward gear gear along reverse gear synchronizer, circumferentially be fixedly connected with main shaft along reverse gear synchronizer, be provided with the high and low shift synchronizer between high gear and low speed gear, the high and low shift synchronizer circumferentially is fixedly connected with main shaft; Front-and-back stop gear level and high and low shift gear level are installed on described casing, the front-and-back stop selector fork is installed on the front-and-back stop gear level, the front-and-back stop selector fork is flexibly connected with suitable reverse gear synchronizer, the high and low shift selector fork is installed on the high and low shift gear level, and high and low shift selector fork and high and low shift synchronizer are flexibly connected; On described casing, neutral position switch is installed, neutral position switch is connected with the ECU (Electrical Control Unit) that control engine starts, and when not moving with reverse gear or forward gear gear synchronous along reverse gear synchronizer, the front-and-back stop selector fork triggers neutral position switch.
As preferably, be rotatablely equipped with input gear axle and output flange axle in described casing, described high gear and low speed gear are connected by meshing transmission with the input gear axle respectively, be set with idle pulley on the input gear axle, forward gear gear and idle pulley are connected by meshing transmission, idle pulley and output gear are connected by meshing transmission, and reverse gear and output gear are connected by meshing transmission, and output gear circumferentially is fixedly connected with the output flange axle.
As preferably, described casing one side fixed installation clutch housing, the opposite side of casing is installed retarder by support, and retarder is connected with differential mechanism; Slide in the axis hole of described input gear axle and plug driving shaft, driving shaft circumferentially is fixedly connected with the input gear axle by spline and both are by the limit position part axial limiting, the driving shaft outside is arranged with friction plate assembly, platen assembly, release bearing and separating bearing sleeve barrel, and the platen assembly circumferentially is fixedly connected with driving shaft; Described output flange axle is connected with retarder by universal shaft coupling.
The utility model adopts meta to start control switch (neutral position switch) owing to having adopted above technological scheme, has improved Security, and motor can only could be started in neutral.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is clutch structure schematic diagram of the present utility model;
Fig. 3 is gear shifting structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
a kind of transmission assembly as shown in Figure 1, comprise casing 1, casing 1 one side fixed installation clutch housings 3, the opposite side of casing 1 is installed retarder 19 by support 18, retarder 19 is connected with differential mechanism, be rotatablely equipped with input gear axle 14 in casing 1, main shaft 33 and output flange axle 2, be set with reverse gear 6 on main shaft 33, forward gear gear 16, high gear 17 and low speed gear 20, be provided with between reverse gear 6 and forward gear gear 16 along reverse gear synchronizer 5, circumferentially be fixedly connected with main shaft 33 along reverse gear synchronizer 5, be provided with high and low shift synchronizer 21 between high gear 17 and low speed gear 20, high and low shift synchronizer 21 circumferentially is fixedly connected with main shaft 33, high gear 17 and low speed gear 20 are connected by meshing transmission with input gear axle 14 respectively, be set with idle pulley 15 on input gear axle 14, forward gear gear 16 is connected by meshing transmission with idle pulley 15, idle pulley 15 is connected by meshing transmission with output gear 4, reverse gear 6 is connected by meshing transmission with output gear 4, output gear 4 circumferentially is fixedly connected with output flange axle 2, output flange axle 2 is connected with retarder 19 by universal shaft coupling 22.
In the present embodiment, slide in the axis hole of described input gear axle 14 and plug driving shaft 10, driving shaft 10 circumferentially is fixedly connected with input gear axle 14 by spline and both are by limit position part (circlip for shaft and position limit pin) axial limiting, driving shaft 10 outsides are arranged with friction plate assembly 12, platen assembly 11, release bearing 9 and separating bearing sleeve barrel 13, and platen assembly 11 circumferentially is fixedly connected with by spline with driving shaft 10.As shown in Figure 2, rotate on described clutch housing 3 release lever 7 is installed, circumferentially be fixed with disengaging yoke 8 on release lever 7, disengaging yoke 8 is flexibly connected with separating bearing sleeve barrel 13, oil pump assy 23 is installed on clutch housing 3, the piston rod 24 of oil pump assy 23 and a connecting rod 26 are flexibly connected, and this connecting rod 26 is fixedly mounted on release lever 7, is arranged with dirt-proof boot 25 on the piston rod 24 of described oil pump assy 23.ECU (Electrical Control Unit) is controlled described oil pump assy 23 actions, oil pump assy 23 drives release lever 7 and rotates, release lever 7 promotes separating bearing sleeve barrels 13, release bearing 9, platen assembly 11 and friction plate assembly 12 via disengaging yoke 8, thus with the transmission of power of motor to driving shaft 10.
As shown in Figure 3, front-and-back stop gear level 27 and high and low shift gear level 32 are installed on described casing 1, front-and-back stop selector fork 31 is installed on front-and-back stop gear level 27, front-and-back stop selector fork 31 is flexibly connected with suitable reverse gear synchronizer 5, high and low shift selector fork 30 is installed on high and low shift gear level 32, and high and low shift selector fork 30 is flexibly connected with high and low shift synchronizer 21; Reverse gear switch 28 and neutral position switch 29 are installed on described casing 1, and the ECU (Electrical Control Unit) that the switch 28 that reverses gear is connected with neutral position switch all with control engine starts is connected.When being synchronized with the movement along reverse gear synchronizer 5 and reverse gear 6, front-and-back stop selector fork 31 triggers the switch 28 that reverses gear, when being in neutral gear position along reverse gear synchronizer 5 (not being synchronized with the movement with reverse gear 6 and forward gear gear 16), front-and-back stop selector fork 31 triggers neutral position switch 29, only in the situation that neutral position switch 29 is triggered, motor could start.
The utlity model has shift speed change, slow down and realize the differential drive function, make that fork truck is realized advancing, neutral, the operation such as retreat and realize differential drive.Joint or separation by clutch realize transmitting or cutting off power and the motion of motor.A kind of transmission assembly is equipped with synchronizer, makes gearshift soft, steady, avoids clashing into, and reduces noise, improves gear life.The power of motor through driving shaft is delivered to the input gear assembly of gearbox on combination by spline by the separation of clutch cover and plate assembly, control by gear level again, be delivered on output gear by high, low speed gear and forward gear or reverse gear, the power that output gear spreads out of through output flange and universal shaft coupling produces differential through retarder by differential assembly and drives and pass on wheel by differential gear and semiaxis.Gearbox and retarder itself play a part fuel tank simultaneously.Gearbox is with being fixedly connected with by support (shock bracket) between retarder.
It is emphasized that: above is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. transmission assembly, it is characterized in that, comprise casing (1), be rotatablely equipped with main shaft (33) in casing (1), be set with reverse gear (6) on main shaft (33), forward gear gear (16), high gear (17) and low speed gear (20), be provided with between reverse gear (6) and forward gear gear (16) along reverse gear synchronizer (5), circumferentially be fixedly connected with main shaft (33) along reverse gear synchronizer (5), be provided with high and low shift synchronizer (21) between high gear (17) and low speed gear (20), high and low shift synchronizer (21) circumferentially is fixedly connected with main shaft (33), front-and-back stop gear level (27) and high and low shift gear level (32) are installed on described casing (1), front-and-back stop selector fork (31) is installed on front-and-back stop gear level (27), front-and-back stop selector fork (31) is flexibly connected with suitable reverse gear synchronizer (5), high and low shift selector fork (30) is installed on high and low shift gear level (32), and high and low shift selector fork (30) is flexibly connected with high and low shift synchronizer (21), neutral position switch (29) is installed on described casing (1), neutral position switch (29) is connected with the ECU (Electrical Control Unit) that control engine starts, when along reverse gear synchronizer (5) not with reverse gear (6) or forward gear gear (16) when being synchronized with the movement, front-and-back stop selector fork (31) triggers neutral position switch (29).
2. a kind of transmission assembly according to claim 1, it is characterized in that, be rotatablely equipped with input gear axle (14) and output flange axle (2) in described casing (1), described high gear (17) and low speed gear (20) are connected by meshing transmission with input gear axle (14) respectively, be set with idle pulley (15) on input gear axle (14), forward gear gear (16) is connected by meshing transmission with idle pulley (15), idle pulley (15) is connected by meshing transmission with output gear (4), reverse gear (6) is connected by meshing transmission with output gear (4), output gear (4) circumferentially is fixedly connected with output flange axle (2).
3. a kind of transmission assembly according to claim 2, it is characterized in that, described casing (1) one side fixed installation clutch housing (3), the opposite side of casing (1) is installed retarder (19) by support (18), and retarder (19) is connected with differential mechanism; Slide in the axis hole of described input gear axle (14) and plug driving shaft (10), driving shaft (10) circumferentially is fixedly connected with input gear axle (14) by spline and both are by the limit position part axial limiting, driving shaft (10) outside is arranged with friction plate assembly (12), platen assembly (11), release bearing (9) and separating bearing sleeve barrel (13), and platen assembly (11) circumferentially is fixedly connected with driving shaft (10); Described output flange axle (2) is connected with retarder (19) by universal shaft coupling (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733977 CN203009786U (en) | 2012-12-27 | 2012-12-27 | Gear box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733977 CN203009786U (en) | 2012-12-27 | 2012-12-27 | Gear box assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009786U true CN203009786U (en) | 2013-06-19 |
Family
ID=48601383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220733977 Expired - Lifetime CN203009786U (en) | 2012-12-27 | 2012-12-27 | Gear box assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009786U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429839A (en) * | 2015-01-21 | 2017-12-01 | 株式会社渥美精栈 | Shift fork module |
| CN108488331A (en) * | 2018-05-29 | 2018-09-04 | 富勒传动设备盐城有限公司 | A kind of adjustable shifting-fork gear-shifting speed reducer |
| CN110043655A (en) * | 2019-04-10 | 2019-07-23 | 安徽全柴锦天机械有限公司 | Improved mechanical gearbox shifting mechanism |
| CN114467375A (en) * | 2022-01-27 | 2022-05-13 | 重庆华世丹农业装备制造有限公司 | Garden management machine |
-
2012
- 2012-12-27 CN CN 201220733977 patent/CN203009786U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429839A (en) * | 2015-01-21 | 2017-12-01 | 株式会社渥美精栈 | Shift fork module |
| CN107429839B (en) * | 2015-01-21 | 2020-01-10 | 株式会社渥美精栈 | Shifting fork module |
| CN108488331A (en) * | 2018-05-29 | 2018-09-04 | 富勒传动设备盐城有限公司 | A kind of adjustable shifting-fork gear-shifting speed reducer |
| CN110043655A (en) * | 2019-04-10 | 2019-07-23 | 安徽全柴锦天机械有限公司 | Improved mechanical gearbox shifting mechanism |
| CN114467375A (en) * | 2022-01-27 | 2022-05-13 | 重庆华世丹农业装备制造有限公司 | Garden management machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 Zhongxing Avenue 22, Zhejiang City, Shaoxing. Patentee after: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd. Address before: 312000 Zhongxing Avenue 22, Shaoxing, Zhejiang. Patentee before: SHAOXING JINDAO GEAR BOX Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |