CN206338395U - Wheeled tractor gearbox speed adjusting gear - Google Patents
Wheeled tractor gearbox speed adjusting gear Download PDFInfo
- Publication number
- CN206338395U CN206338395U CN201621240080.9U CN201621240080U CN206338395U CN 206338395 U CN206338395 U CN 206338395U CN 201621240080 U CN201621240080 U CN 201621240080U CN 206338395 U CN206338395 U CN 206338395U
- Authority
- CN
- China
- Prior art keywords
- coupling hook
- connecting rod
- bearing pin
- tractor
- secondary control
- 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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- Soil Working Implements (AREA)
Abstract
The utility model discloses a kind of wheeled tractor gearbox speed adjusting gear easy to operate, including：Gearbox body, it is arranged on the main control lever of gearbox body side upper end, it is arranged on the speed shelves swing arm of gearbox body opposite side, the upper end of the main operation handle is provided with secondary control crank, the lower end of the secondary control crank is rotatably arranged on tractor by the first bearing pin, coupling hook is additionally provided with the lower end of the secondary control crank, the upper coupling hook is connected by screwing with one end of upper connecting rod, the middle part of the upper connecting rod is rotatably arranged in rotary support seat by the second bearing pin, the rotary support seat is arranged on tractor, the other end of the upper connecting rod is connected with the upper end of lower link, the lower end of the lower link is connected by lower screw with lower coupling hook, the lower coupling hook is connected by the 3rd bearing pin with speed shelves swing arm.
Description
Technical field
The utility model is related to a kind of wheeled tractor gearbox speed adjusting gear.
Background technology
Tractor is the important tool that rural area is used for ploughing.At present, most wheeled tractor speed change systems is all
Main control lever and secondary control crank is set respectively in gearbox both sides to realize shift speed change, main control lever and secondary manipulation hand
Handle one on one side, apart from distant, the leg span of operator is big, bad to place, and manipulates inconvenient, it is easy to cause driving labor
It is tired, intensity height is manipulated, the personal safety to operator brings certain threat.
Utility model content
Technical problem to be solved in the utility model is：A kind of wheeled tractor gearbox speed governing easy to operate is provided
Mechanism.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：Wheeled tractor gearbox speed governing
Mechanism, including：Gearbox body, is arranged on the main control lever of gearbox body side upper end, is arranged on gearbox body opposite side
Speed shelves swing arm, is provided with secondary control crank in the upper end of the main operation handle, and the lower end of the secondary control crank passes through the
One bearing pin is rotatably arranged on tractor, and coupling hook, the upper connection are additionally provided with the lower end of the secondary control crank
Jaw is connected by screwing with one end of upper connecting rod, and the middle part of the upper connecting rod is rotatably arranged on rotation by the second bearing pin
In support base, the rotary support seat is arranged on tractor, and the other end of the upper connecting rod is connected with the upper end of lower link,
The lower end of the lower link is connected by lower screw with lower coupling hook, and the lower coupling hook passes through the 3rd bearing pin and speed
Shelves swing arm is connected.
The utility model has the advantages that：Above-mentioned wheeled tractor gearbox speed adjusting gear, structure is novel, easy for installation, will
Main control lever and secondary control crank are arranged on the same side of gearbox, reduce operation building away from operating personnel are easy to operate, no
It is susceptible to arrive driving fatigue, manipulation intensity is reduced, the personal safety to operator brings guarantee.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model wheeled tractor gearbox speed adjusting gear.
In figure：1st, gearbox body, 2, main control lever, 3, speed shelves swing arm, 4, secondary control crank, the 5, first bearing pin, 6,
Upper coupling hook, 7, screwing, 8, upper connecting rod, the 9, second bearing pin, 10, rotary support seat, 11, lower link, 12, lower screw, 13,
Lower coupling hook, the 14, the 3rd bearing pin.
Embodiment
Particular content of the present utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, wheeled tractor gearbox speed adjusting gear, including：Gearbox body 1, is arranged on the side of gearbox body 1
The main control lever 2 of upper end, is arranged on the speed shelves swing arm 3 of the opposite side of gearbox body 1, in the upper end of the main operation handle 2
Secondary control crank 4 is provided with, the lower end of the secondary control crank 4 is rotatably arranged on tractor by the first bearing pin 5, described
The lower end of secondary control crank 4 is additionally provided with coupling hook 6, and the upper coupling hook 6 passes through screwing 7 and the one of upper connecting rod 8
End is connected, and the middle part of the upper connecting rod 8 is rotatably arranged in rotary support seat 10 by the second bearing pin 9, the rotation support
Seat 10 is arranged on tractor, and the other end of the upper connecting rod 8 is connected with the upper end of lower link 11, under the lower link 11
End is connected by lower screw 12 with lower coupling hook 13, and the lower coupling hook 13 passes through the 3rd bearing pin 14 and speed shelves swing arm
3 are connected.
Above-mentioned wheeled tractor gearbox speed adjusting gear is in use, main control lever 2 can be front and rear left in gearbox body 1
Move right realization to put into gear, pull back secondary control crank 4, secondary control crank 4 is rotated by the first bearing pin 5 on tractor, it is secondary
The lower end of control crank 4 drives upper coupling hook 6 to move upwards, and upper coupling hook 6 drives the right side of upper connecting rod 8 by screwing 7
End motion upwards, the middle part of upper connecting rod 8 is rotated by the second bearing pin 9 in rotary support seat 10, under the left end of upper connecting rod 8 drives
Connecting rod 8 is moved upwards, and lower link 8 drives lower coupling hook 13 to move upwards by lower screw 12, and lower coupling hook 13 passes through the
Three bearing pins 14 drive one end of speed shelves swing arm 13 to move upwards, and the other end of speed shelves swing arm 13 stretches into enter in gearbox body 1
Row speed governing.
Above-mentioned wheeled tractor gearbox speed adjusting gear, structure is novel, easy for installation, by main control lever and secondary manipulation hand
Handle is arranged on the same side of gearbox, reduces operation building away from operating personnel are easy to operate, are difficult to feel driving fatigue, reduction
Manipulation intensity, the personal safety to operator brings guarantee.
Claims (1)
1. wheeled tractor gearbox speed adjusting gear, it is characterised in that：Including：Gearbox body（1）, it is arranged on gearbox body（1）
The main control lever of side upper end（2）, it is arranged on gearbox body（1）The speed shelves swing arm of opposite side（3）, in the main manipulator
Handle（2）Upper end be provided with secondary control crank（4）, the secondary control crank（4）Lower end pass through the first bearing pin（5）Rotate and set
On tractor, in the secondary control crank（4）Lower end be additionally provided with coupling hook（6）, the upper coupling hook（6）It is logical
Cross screwing（7）With upper connecting rod（8）One end be connected, the upper connecting rod（8）Middle part pass through the second bearing pin（9）Rotate and set
In rotary support seat（10）It is interior, the rotary support seat（10）It is arranged on tractor, the upper connecting rod（8）The other end with
Connecting rod（11）Upper end be connected, the lower link（11）Lower end pass through lower screw（12）With lower coupling hook（13）It is connected
Connect, the lower coupling hook（13）Pass through the 3rd bearing pin（14）With speed shelves swing arm（3）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240080.9U CN206338395U (en) | 2016-11-21 | 2016-11-21 | Wheeled tractor gearbox speed adjusting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240080.9U CN206338395U (en) | 2016-11-21 | 2016-11-21 | Wheeled tractor gearbox speed adjusting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338395U true CN206338395U (en) | 2017-07-18 |
Family
ID=59308592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240080.9U Expired - Fee Related CN206338395U (en) | 2016-11-21 | 2016-11-21 | Wheeled tractor gearbox speed adjusting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338395U (en) |
-
2016
- 2016-11-21 CN CN201621240080.9U patent/CN206338395U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20171121 |