CN203305844U - Tractor - Google Patents
Tractor Download PDFInfo
- Publication number
- CN203305844U CN203305844U CN2013202570138U CN201320257013U CN203305844U CN 203305844 U CN203305844 U CN 203305844U CN 2013202570138 U CN2013202570138 U CN 2013202570138U CN 201320257013 U CN201320257013 U CN 201320257013U CN 203305844 U CN203305844 U CN 203305844U
- Authority
- CN
- China
- Prior art keywords
- gear box
- gear
- trac
- change speed
- guard
- 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 relates to the field of agricultural machinery, in particular to a tractor. The tractor comprises a front driving gear, a rear driving transfer case, a first transmission shaft, a gearbox, a rear axle, a traction frame, an integral crossbeam and a plurality of cardan joints, wherein a compartment and rear wheels are installed through the integral crossbeam. According to the tractor, due to the facts that the rear driving transfer case is additionally arranged on the tractor head portion, and the rear driving transfer case and the front driving gear are in meshing connection, after the rear driving transfer case obtains power, the power is transmitted to the gearbox through a first transmission gear, the gearbox carries out speed change to transmit the power to the rear wheels through the rear axle, and then the rear wheels obtain mechanical driving force. Therefore, the tractor can increase the traveling speed in the process of operation.
Description
Technical field
The utility model relates to the agricultural machinery field, in particular to a kind of trac..
Background technology
Trac. is peasant's good assistant plowing, in short-distance transport, articulated steering flexible operation and easy to maintenance.Present tradition trac. commonly used in agricultural production, the structure of delaying and drawing before being mainly such as the Dongfeng brand trac. now used, comprising: forerunner, carriage chassis, whole crossbeam, axis of traction and drive link.Trunk is located on carriage chassis, and operator's compartment is located on whole crossbeam, and carriage chassis and whole crossbeam link together, and an end of whole crossbeam is provided with axis of traction, and axis of traction is crossed universal-joint away from an end of whole crossbeam and is connected with headstock.The forerunner is located on headstock, engine drive forerunner chassis, and the forerunner drives the front vehicle wheel motion.The forerunner is provided with transmission shaft, and the two connects by universal-joint, and the other end of transmission shaft is connected with rear bridge grider.When trac. started, the forerunner drove trac. integral body and advances, and in the time of need to turning to, in the universal-joint part, the trac. headstock can turn to.
The problem existed is: trac. is when advancing, mainly that forward the wheel drags trailing wheel, and then drag whole trac. and advance, such operation scheme is on the not too smooth ground of physical features or have the running velocity in Kan De farmland, more slope slower, especially when in trunk, be mounted with more goods while going up a slope speed slower.
The utility model content
The purpose of this utility model is to provide a kind of trac., to solve the above problems.
A kind of trac. is provided in embodiment of the present utility model, has comprised: forerunner's gear, rear-guard auxiliary gear box, the first transmission shaft, change speed gear box, back axle, drawbar frame, whole crossbeam and a plurality of universal-joint be used to compartment and rear wheel are installed;
Described forerunner's gear and described rear-guard auxiliary gear box all are located on headstock;
Described rear-guard auxiliary gear box comprises shell, in it, is provided with input gear, castellated shaft, transmission gear and output gear; Described input gear and described transmission gear all are located on described castellated shaft, described output gear and the engagement of described transmission gear;
Described forerunner's gear and the engagement of described input gear;
Described output gear is provided with output shaft, and an end of described output shaft and described the first transmission shaft is connected by the first universal-joint;
Described change speed gear box is located on described whole crossbeam, between described change speed gear box and described back axle, is provided with the 3rd transmission shaft, and described change speed gear box comprises input end and mouth, and the other end of described the first transmission shaft is connected with the input end of described change speed gear box; The mouth of described change speed gear box is connected with described back axle by described the 3rd transmission shaft;
Described drawbar frame is located between headstock and described whole crossbeam, and an end of described drawbar frame is connected with the shell of described rear-guard auxiliary gear box by the second universal-joint, and its other end is connected with described whole crossbeam.
A kind of trac. that the utility model provides, at headstock, partly set up the rear-guard auxiliary gear box, and rear-guard auxiliary gear box and forerunner's gear are connected with a joggle, after the rear-guard auxiliary gear box obtains power, by the first transmission gear, pass to change speed gear box, change speed gear box passes to rear wheel by power by back axle by speed change, and then rear wheel obtains Mechanical Driven power, can make like this trac. raising running velocity that is in operation.When headstock need to turn to, between the first transmission shaft and rear-guard auxiliary gear box, connect by the first universal-joint, simultaneously, between the shell of drawbar frame and rear-guard auxiliary gear box, also by the second universal-joint, connect, between the junction of the first universal-joint and the second universal-joint can be by headstock and the tailstock, be flexibly connected, facilitate headstock to turn to.
The accompanying drawing explanation
The structural representation of the trac. that Fig. 1 provides for the utility model;
1. forerunner's gear, 2. rear-guard auxiliary gear box, 3. rear-guard shifter bar, 4. hauling hook, 5. drawbar frame, 6. anti-vibration heel block, 7. the first transmission shaft, 8. change speed gear box.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment 1: as shown in Figure 1
A kind of trac. comprises: forerunner's gear 1, rear-guard auxiliary gear box 2, the first transmission shaft 7, change speed gear box 8, back axle, drawbar frame 5, whole crossbeam and a plurality of universal-joint be used to compartment and rear wheel are installed;
Described forerunner's gear 1 and described rear-guard auxiliary gear box 2 all are located on headstock;
Described rear-guard auxiliary gear box 2 comprises shell, in it, is provided with input gear, castellated shaft, transmission gear and output gear; Described input gear and described transmission gear all are located on described castellated shaft, described output gear and the engagement of described transmission gear;
Described forerunner's gear 1 and the engagement of described input gear;
Described output gear is provided with output shaft, and described output shaft is connected by the first universal-joint with an end of described the first transmission shaft 7;
Described change speed gear box 8 is located on described whole crossbeam, between described change speed gear box 8 and described back axle, is provided with the 3rd transmission shaft, and described change speed gear box 8 comprises input end and mouth, and the other end of described the first transmission shaft 7 is connected with the input end of described change speed gear box 8; The mouth of described change speed gear box 8 is connected with described back axle by described the 3rd transmission shaft;
Described drawbar frame 5 is located between headstock and described whole crossbeam, and an end of described drawbar frame 5 is connected with the shell of described rear-guard auxiliary gear box 2 by the second universal-joint, and its other end is connected with described whole crossbeam.
A kind of trac. that the utility model provides, at headstock, partly set up rear-guard auxiliary gear box 2, and by rear-guard auxiliary gear box 2 with before go gear to be connected with a joggle, after rear-guard auxiliary gear box 2 obtains power, by the first transmission gear, pass to change speed gear box 8, change speed gear box 8 passes to rear wheel by power by back axle by speed change, and then rear wheel obtains Mechanical Driven power, can make like this trac. raising running velocity that is in operation.When headstock need to turn to, between the first transmission shaft 7 and rear-guard auxiliary gear box 2, connect by the first universal-joint, simultaneously, between the shell of drawbar frame 5 and rear-guard auxiliary gear box 2, also by the second universal-joint, connect, between the junction of the first universal-joint and the second universal-joint can be by headstock and the tailstock, be flexibly connected, facilitate headstock to turn to.
Embodiment 2:
A kind of trac. comprises: forerunner's gear 1, rear-guard auxiliary gear box 2, the first transmission shaft 7, change speed gear box 8, back axle, drawbar frame 5, whole crossbeam and a plurality of universal-joint be used to compartment and rear wheel are installed;
Described forerunner's gear 1 and described rear-guard auxiliary gear box 2 all are located on headstock;
Described rear-guard auxiliary gear box 2 comprises shell, in it, is provided with input gear, castellated shaft, transmission gear and output gear; Described input gear and described transmission gear all are located on described castellated shaft, described output gear and the engagement of described transmission gear;
Described forerunner's gear 1 and the engagement of described input gear;
Described output gear is provided with output shaft, and described output shaft is connected by the first universal-joint with an end of described the first transmission shaft 7;
Described change speed gear box 8 is located on described whole crossbeam, between described change speed gear box 8 and described back axle, is provided with the 3rd transmission shaft, and described change speed gear box 8 comprises input end and mouth, and the other end of described the first transmission shaft 7 is connected with the input end of described change speed gear box 8; The mouth of described change speed gear box 8 is connected with described back axle by described the 3rd transmission shaft;
Described drawbar frame 5 is located between headstock and described whole crossbeam, and an end of described drawbar frame 5 is connected with the shell of described rear-guard auxiliary gear box 2 by the second universal-joint, and its other end is connected with described whole crossbeam.
A kind of trac. that the utility model provides, at headstock, partly set up rear-guard auxiliary gear box 2, and by rear-guard auxiliary gear box 2 with before go gear to be connected with a joggle, after rear-guard auxiliary gear box 2 obtains power, by the first transmission gear, pass to change speed gear box 8, change speed gear box 8 passes to rear wheel by power by back axle by speed change, and then rear wheel obtains Mechanical Driven power, can make like this trac. raising running velocity that is in operation.When headstock need to turn to, between the first transmission shaft 7 and rear-guard auxiliary gear box 2, connect by the first universal-joint, simultaneously, between the shell of drawbar frame 5 and rear-guard auxiliary gear box 2, also by the second universal-joint, connect, between the junction of the first universal-joint and the second universal-joint can be by headstock and the tailstock, be flexibly connected, facilitate headstock to turn to.
In order to facilitate the transmission gear flexible motion on described castellated shaft arranged in described rear-guard auxiliary gear box 2, can be set to by described castellated shaft.Perhaps can be set to other drive shaft members that can meet user demand all can.
For convenient engagement between two gears of different directions rotation, and conveniently on described output gear, output shaft is set, described transmission gear and described output gear all can be set to crowngear, or other any gear that can meet user demand all can.
In order to facilitate trac. putting into gear and shifting gears in operational process, can on described rear-guard auxiliary gear box 2, shift fork and moving tooth be set, described shift fork is located at the outside of the shell of described rear-guard auxiliary gear box 2, described moving tooth is located at the inside of the shell of described rear-guard auxiliary gear box 2, and be socketed on described castellated shaft, between described input gear and described transmission gear.When needs are put into gear, can described output gear be toggled it to an end of castellated shaft by the described moving tooth of described shift fork fluctuation, when not needing to put into gear, can described moving tooth be toggled it to by described shift fork to the midway location of castellated shaft.
For the convenient running velocity of regulating rear wheel, can on described rear-guard auxiliary gear box 2, be provided with rear-guard shifter bar 3.
For dismounting and the maintenance that facilitates trac., can between described drawbar frame 5 and described rear-guard auxiliary gear box 2, be provided with hauling hook 4, described hauling hook 4 and described the second universal-joint removably connect.Preferably, can on the shell of described rear-guard auxiliary gear box 2, link be set, described hauling hook 4 is provided with hook, and described hook is articulated on described link described drawbar frame 5 and described headstock are removably connected.
Because described whole crossbeam is connected with described drawbar frame 5 stacks, in order to cushion the shock between described whole crossbeam and described drawbar frame 5, can between described whole crossbeam and described drawbar frame 5, be provided be used to cushioning the anti-vibration heel block 6 of the shock between described whole crossbeam and described drawbar frame 5.Preferably, this anti-vibration heel block 6 is rubber cushion blocks.
Described drawbar frame 5 is connected with described whole crossbeam, preferably, for convenient processing, can use bolt that the two is connected, or can connect by other any attaching parts that can connect.
Because in the utility model, whole crossbeam is extended to the operator's compartment position, for the convenient operator's compartment that arranges, can be set to rectangular frame by described whole crossbeam, described anti-vibration heel block 6 is set in the both sides of rectangular frame.Preferably, connect and can obtain according to actual trac., described rectangular frame can be " door " glyph framework.
In order further to regulate the running velocity of rear wheel, can on described change speed gear box 8, be provided with the speed change adjust bar.
The utility model specifically improves for east wind-12-15-18 type walker tractor, installs on the original basis back-wheel drive additional, makes power system greatly improve on the original basis, and load carrying ability improves, and in climbing, the bank power is enough.
And improved present technique, aspect brake system, the brake system aspect is also more flexibly with reliable, prior art front gear box 8 body two and half journal box bodyes are disjunctors, no matter which casing goes wrong, and all obtains full case maintenance, has so greatly increased maintenance difficulty and expense.Main-gear box 8 body two and half journal box bodyes separate, and the forerunner uses the high low speed gear of main-gear box 8, and rear-guard is used the driving gear of main-gear box 8 to rotate the output of auxiliary gear box gear, and not at a high speed, low speed synchronous is driven in front to rear-guard,
Dwindle and shorten rear-guard auxiliary gear box 2, main box and the rear-guard auxiliary gear box 2 communication port 180cm*140cm in forerunner domain commonly used, the novel middle theme case of this use and auxiliary gear box communication port are 140cm*140cm, have dwindled 40, without fluid-link steering, also can turn flexibly.
Existing trac. crossbeam is all that the back of the body connects beam, and domain is low, and by the obstacle poor performance, unbalance stress easily causes the domain distortion, and present technique adopts the whole large girder construction of the sub-shape of door, compact conformation, and stressed more even, crushing resistance is stronger.Whole crossbeam is revised as to a word crossbeam, and middle part has drawbar frame 5 to pass, and the both sides of whole crossbeam are rubber or shock-proof block or spring shockproof piece.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a trac., is characterized in that, comprising: forerunner's gear, rear-guard auxiliary gear box, the first transmission shaft, change speed gear box, back axle, drawbar frame, whole crossbeam and a plurality of universal-joint be used to compartment and rear wheel are installed;
Described forerunner's gear and described rear-guard auxiliary gear box all are located on headstock;
Described rear-guard auxiliary gear box comprises shell, in it, is provided with input gear, castellated shaft, transmission gear and output gear; Described input gear and described transmission gear all are located on described castellated shaft, described output gear and the engagement of described transmission gear;
Described forerunner's gear and the engagement of described input gear;
Described output gear is provided with output shaft, and an end of described output shaft and described the first transmission shaft is connected by the first universal-joint;
Described change speed gear box is located on described whole crossbeam, between described change speed gear box and described back axle, is provided with the 3rd transmission shaft, and described change speed gear box comprises input end and mouth, and the other end of described the first transmission shaft is connected with the input end of described change speed gear box; The mouth of described change speed gear box is connected with described back axle by described the 3rd transmission shaft;
Described drawbar frame is located between headstock and described whole crossbeam, and an end of described drawbar frame is connected with the shell of described rear-guard auxiliary gear box by the second universal-joint, and its other end is connected with described whole crossbeam.
2. a kind of trac. according to claim 1, is characterized in that,
Described transmission gear and described output gear are crowngear.
3. a kind of trac. according to claim 2, is characterized in that,
On described rear-guard auxiliary gear box, also be provided with: shift fork and moving tooth;
Described shift fork is located at the outside of the shell of described rear-guard auxiliary gear box, and described moving tooth is located at the inside of the shell of described rear-guard auxiliary gear box, and is socketed on described castellated shaft, between described input gear and described transmission gear.
4. a kind of trac. according to claim 3, is characterized in that,
Described rear-guard auxiliary gear box is provided with the rear-guard shifter bar.
5. a kind of trac. according to claim 1, is characterized in that,
Between described drawbar frame and described rear-guard auxiliary gear box, be provided with hauling hook, described hauling hook and described the second universal-joint removably connect.
6. a kind of trac. according to claim 5, is characterized in that,
Described whole crossbeam is connected with described drawbar frame stack, between the two, is provided be used to cushioning the anti-vibration heel block of the shock between described whole crossbeam and described drawbar frame.
7. a kind of trac. according to claim 6, is characterized in that,
Described drawbar frame and described whole crossbeam are bolted.
8. a kind of trac. according to claim 7, is characterized in that,
Described whole crossbeam is rectangular frame.
9. a kind of trac. according to claim 1, is characterized in that,
Described change speed gear box is provided with the speed change adjust bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202570138U CN203305844U (en) | 2013-05-13 | 2013-05-13 | Tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202570138U CN203305844U (en) | 2013-05-13 | 2013-05-13 | Tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203305844U true CN203305844U (en) | 2013-11-27 |
Family
ID=49612073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202570138U Expired - Fee Related CN203305844U (en) | 2013-05-13 | 2013-05-13 | Tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203305844U (en) |
-
2013
- 2013-05-13 CN CN2013202570138U patent/CN203305844U/en not_active Expired - Fee Related
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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: 20131127 Termination date: 20140513 |