CN203332247U - Articulated tractor - Google Patents
Articulated tractor Download PDFInfo
- Publication number
- CN203332247U CN203332247U CN201220663821XU CN201220663821U CN203332247U CN 203332247 U CN203332247 U CN 203332247U CN 201220663821X U CN201220663821X U CN 201220663821XU CN 201220663821 U CN201220663821 U CN 201220663821U CN 203332247 U CN203332247 U CN 203332247U
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- forerunner
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Abstract
The utility model discloses an articulated tractor which comprises an engine, a belt, a clutch, a chassis, a transmission mechanism, a rear axle chassis support, a truck bed, a front axle chassis support and a drawing head assembly for articulated steering. The engine is directly connected with the clutch through the belt, and the truck bed is arranged on the chassis. The articulated tractor is characterized in that the clutch is provided with a clutch gearbox capable of changing speed; the transmission mechanism comprises a power connecting shaft, a downlink transmission box, an uplink transmission box, a gearbox, a front and rear axle distribution box and a rear axle clutch box; the drawing head assembly is reversely arranged. The articulated tractor has the advantages of being stable in chassis, having multiple loads, being high in efficiency, simple in structure, large in driving space, comfortable and safe in operation, smooth and reliable in operation and flexible in steering and the like.
Description
Technical field
The utility model relates to a kind of field machine, particularly a kind of simple in structure, turns to articulated tractor flexibly.
Background technology
Walker tractor occupies very consequence in China's Farm Machinery Market, especially workers and peasants---the appearance of 12 type walker tractors, it is for farmland operation during except the busy farming season, and all the other mosts of the time, for short-distance transport, are one of main transportation meanss of Rural Areas at Present.But the shortcomings such as speed is low, oil consumption is high, handling maneuver poor stability that walker tractor exists when hauling operation, therefore, from the eighties in last century, each tractor plant develops the trac. of articulated steering modification in succession on the basis of walker tractor, these articulated tractors are small-sized with it, turn to flexibly, wide adaptability, conveying efficiency is high, economizes the wet goods advantage and has obtained users' welcome.Therefore, the open articulated steering trac. used in the market, in mountain area or intersected country generally adopt by the transport plane of walker tractor repacking or driven the articulated tractor of railway carriage transportation by four-wheeled tractor.
But, after inventor's market study, find, also there are some defects in current articulated tractor on the market, and their common shortcoming is: headstock is long, and it is low that chassis is liftoff, complicated operation, carrying capacity are poor, produce the front tyre center of gravity during turning and seriously run limit, safety performance is poor, and in-fighting is larger, it is low that transmission shaft is liftoff, and operating efficiency is low.Major cause one is that the axis of traction of traditional articulated steering tractor traction head is all to be fixed on rear-drive chassis.Because all trac.s are all low early and high after, therefore when turning, will produce oblique angle, when walking, uneven road surface also can automatically draw direction, a sinking of bowing, form when turning the center of gravity inclined right front-wheel that turns left, the center of gravity that turns right inclined left front-wheel, the head liftoff change simultaneously of bowing is short; Therefore, a lot of accidents are exactly therefore to occur.In addition, traditional trac. does not touch operator's compartment for the rear-guard transmission shaft, transmission shaft is reduced as far as possible, and the operator's compartment rising, therefore form chassis and transmission shaft is liftoff low.Cause the trac. overall performance not steady, load carrying ability is not high, and efficiency is low, and poor safety performance is very restricted during use; In field, when mountain forest and the operation of fluctuating road surface, will cause transmission shaft collision Ka Ding road surface, or be wound around crops, weeds etc. especially, have a strong impact on the normal operation of trac.; The 2nd, traditional driving system is all that high-speed drive just slows down during to change speed gear box, and rear-guard partly will be provided with the clutch case in output junction, forerunner chassis, and joining speed at rear-guard has the another one change speed gear box, and structure is very complicated, and cost is high.In addition, traditional change speed gear box is all the transition on workers and peasants-12 type chassis basically, very large with present use gap; The 3rd, traditional trac. wants forerunner's case to hang up properly shelves during rear-guard before use, then hangs up rear-guard clutch case, then hangs the rear-guard change speed gear box and join speed and could move, and engage a gear is very complicated; Forerunner and rear-guard clutch case engage a gear system are all indirect engage a gears, poor reliability.In addition, steering wheel, drag link, the hydraulic pressure tipping bucket, the operating elements such as rear-guard change speed gear box all are arranged in operator's compartment, take up space very much, have affected the safe drawbacks such as driver's operation; The 4th, traditional power drive shaft and forerunner's transmission shaft are all direct coupled, propons and change speed gear box are with being integrated on the forerunner chassis, axis of traction just forms leaning angle center of gravity race limit as long as turn on rear-drive chassis, affect transmission and the energy consumption of power, send very large noise, the transmission shaft wearing and tearing are accelerated simultaneously.Cause the trac. range of use little, poor-performing, controllability is dangerous, and cost is high; Especially in mountain region or the everglade area, ground relief, under the road conditions harsh environment, the trac. front-wheel will be because beating, center of gravity run limit produce rock, idle running, lack of equilibrium, even can cause turning and excessively cause roll-over accident; Perhaps headstock is long selects the road operation.So these above defects become the technical bottleneck of articulated steering Tractor Industry.
Summary of the invention
It is a kind of simple in structure that the purpose of this utility model is to provide, and load-carrying is many, the articulated steering trac. that efficiency is high.
For achieving the above object, articulated tractor of the present utility model, the drawing head assembly that comprises driving engine, belt, power-transfer clutch, chassis, transmission device, rear-drive chassis support, railway carriage, forerunner's chassis overhang and articulated steering, between described driving engine and power-transfer clutch, by belt, directly be connected, railway carriage is arranged on chassis, is characterized in: described power-transfer clutch is provided with clutch transmission that can speed change; Described transmission device comprises that power connection shaft, descending transmission gearbox, up transmission gearbox, change speed gear box, front and back drive distribution box and rear-guard clutch case, an end of described power connection shaft with clutch transmission connection, the other end and descending transmission gearbox, connect and together be arranged on the rear-drive chassis support; Up transmission gearbox is arranged in driver's seat, and descending transmission gearbox is connected by the change speed gear box adapter shaft with up transmission gearbox, and the mouth of up transmission gearbox is connected with change speed gear box; Described change speed gear box is to drive with front and back the sectional construction that distribution box and rear-guard clutch case link into an integrated entity; Described drawing head assembly is oppositely installed, and the axis of traction of drawing head assembly is connected with forerunner's chassis overhang.
Above-described clutch transmission comprises clutch spindle, clutch transmission finishing bevel gear cuter and clutch transmission output shaft, on described clutch spindle and clutch transmission output shaft, the clutch transmission finishing bevel gear cuter all is installed, the output number of teeth of clutch transmission finishing bevel gear cuter is greater than 1 with the input ratio of number of teeth.
Above-described descending transmission gearbox comprises descending transmission gearbox adapter shaft, descending transmission gear and descending transmission case output shaft, between described descending transmission gearbox adapter shaft and descending transmission case output shaft by descending transmission gear transmission.
Above-described up transmission gearbox comprises change speed gear box input shaft, up transmission gear and up transmission gearbox adapter shaft, between described change speed gear box input shaft and up transmission gearbox adapter shaft by up transmission gear transmission.
Above-described front and back are driven distribution box and are comprised output shaft of gear-box, change speed gear box output gear, transition gear, forerunner's output shaft gear and forerunner's output shaft, described change speed gear box output gear is arranged on output shaft of gear-box, described forerunner's output shaft gear is arranged on forerunner's output shaft, and change speed gear box output gear and forerunner's output shaft gear are by the transition gear transmission.
Above-described rear-guard clutch case comprises forerunner's output shaft, rear-guard clutch gear and rear-guard adapter shaft, and described rear-guard clutch gear is arranged on forerunner's output shaft, and forerunner's output shaft also is connected with the rear-guard adapter shaft.
The utility model has following advantage:
1. chassis is steady, and load-carrying is many, and efficiency is high.The utility model adopts the drawing head assembly oppositely to install, the direction that trac. advances is pointed in the axis of traction termination that is the drawing head assembly, for the installation that improves transmission shaft and steering wheel etc. provides space and height, make that vehicle body is short, center of gravity is low, while also having avoided turning, drawing head assembly terrain clearance is substantially constant simultaneously, like this, no matter how uneven road surface is, trac. all can not affect the ground clearance on steering wheel and chassis while turning, and has increased the safety of travelling; Simultaneously, simultaneously, adopt transmission gearbox that transmission shaft and drawing head are raised, allow operator's compartment reduce, make the chassis high center of gravity low.So, this articulated tractor has been broken through the structure of oblique angle drawing head, broken through direction Automatic-drawing precedent, broken through the type of drive that transmission shaft and drawing head are up raised, the utility model is not affected by environment yet, and in operation, efficiency is high, load-carrying is many, purposes is wide, can be widely used in agricultural, forestry and various environment operation.
2. simple in structure, economy and durability, easy to maintenance.The utility model adopts the change speed gear box of current widely used 120 types and 130 types etc., the drive axle material, so cost is very low, the change speed gear box control speed that coordinates sectional construction, forerunner's bridge individual drive forerunner, rear-guard bridge individual drive rear-guard, simple in structure, aspect power conversion, because having lacked the part intermediate conversion links, in-fighting is low, uses reliable, easy to maintenance, durability is high, compared with prior art, has broken through limitation and the defect of traditional change speed gear box and front driving axle one.
3. drive space large, the comfortable safety of operation, operate steadily reliable.The utility model adopts forerunner's clutch case and rear-guard clutch case to be installed under operator's compartment, and change speed gear box is arranged in driver's seat, and engage a gear and clutch are all direct control, easy to operate, accurately reliable; The driving of large space is safety as snug as a bug in a rug, for the smooth running of trac. provides better guarantee.
4. turn to flexibly.The first change speed gear box of the present utility model is before bowing a little, the second change speed gear box is in operator seat, power drive shaft is divided into two sections to transmission shaft by descending transmission gearbox and up transmission gearbox, forerunner's transmission shaft also is divided into two sections by forerunner's clutch case, the transmission shaft maximum angle of bowing a little has been reduced in 25 degree by 35 traditional degree, both improved driving efficiency, the wearing and tearing of transmission shaft have been reduced, also improved the terrain clearance of forerunner's transmission shaft simultaneously and reduced the setting height(from bottom) of power drive shaft, for space and the setting height(from bottom) of operator's compartment provides suitable space.
The accompanying drawing explanation
Fig. 1 is the utility model articulated tractor structural representation sketch.
Fig. 2 is transmission shaft elevation structural simplified schematic diagram.
Fig. 3 is up transmission gearbox 8 and descending transmission gearbox 6 connection structure simplified schematic diagram.
Fig. 4 is the drive mechanism simplified schematic diagram.
Fig. 5 is drawing head assembly 20 mounting structure simplified schematic diagram of the present utility model.
Fig. 6 is traditional drawing head assembly 20 mounting structure simplified schematic diagram.
Fig. 7 is the structural representation sketch of clutch transmission 4.
Fig. 8 is the utility model transmission shaft dot structure simplified schematic diagram of bowing while turning.
Fig. 9 is tradition transmission shaft dot structure simplified schematic diagram of bowing while turning.
Figure elements title and description of symbols:
The specific embodiment
Below in conjunction with accompanying drawing, the utility model articulated tractor is further described.
As shown in accompanying drawing 1～5, this articulated tractor, comprise driving engine 1, belt 2, power-transfer clutch 3, clutch transmission 4, power connection shaft 5, descending transmission gearbox 6, change speed gear box adapter shaft 7, up transmission gearbox 8, operator seat 9, change speed gear box 10, distribution box 11 is driven in front and back, chassis 12, rear-drive chassis support 13, railway carriage 14, rear driving axle assembly 15, rear-guard transmission shaft 16, rear-guard clutch case 17, forerunner's adapter shaft 18, forerunner's clutch case 19, drawing head assembly 20, forerunner's transmission shaft 21, front driving axle assembly 22, forerunner's chassis overhang 23, descending transmission gearbox adapter shaft 24, descending transmission gear 25, descending transmission case output shaft 26, change speed gear box input shaft 27, up transmission gear 28 and up transmission gearbox adapter shaft 29, between described driving engine 1 and power-transfer clutch 3, by belt 2, directly be connected, on railway carriage 14 installation chassis 12, described power-transfer clutch 3 is provided with clutch transmission 4 that can speed change, one end of power connection shaft 5 is arranged on rear-drive chassis support 13 with clutch transmission 4 connections, the other end and together with descending transmission gearbox 6 connects also by power connection shaft 5, up transmission gearbox 8 is arranged in operator seat 9, and descending transmission gearbox 6 is connected by change speed gear box adapter shaft 7 with up transmission gearbox 8, and the mouth of up transmission gearbox 8 is connected with change speed gear box 10, change speed gear box 10 is to drive with front and back the sectional construction that distribution box 11, rear-guard clutch case 17 link into an integrated entity.Rear-drive chassis support 13 is connected by drawing head assembly 20 with forerunner's chassis overhang 23; Front and back are driven distribution box 11 and are connected with forerunner's adapter shaft 18, and the other end of forerunner's adapter shaft 18 is connected with front driving axle assembly 22 through forerunner's transmission shaft 21 by forerunner's clutch case 19, realizes the forerunner; Drive distribution box 11 perhaps and be connected with forerunner's adapter shaft 18, the other end of forerunner's adapter shaft 18 is connected with rear driving axle assembly 15 through rear-guard transmission shaft 16 by rear-guard clutch case 17, realizes rear-guard;
As shown in Figure 3, described descending transmission gearbox 6 comprises descending transmission gearbox adapter shaft 24, descending transmission gear 25 and descending transmission case output shaft 26, between described descending transmission gearbox adapter shaft 24 and descending transmission case output shaft 26 by descending transmission gear 25 transmissions; Described up transmission gearbox 8 comprises change speed gear box input shaft 27, up transmission gear 28 and up transmission gearbox adapter shaft 29, between described change speed gear box input shaft 27 and up transmission gearbox adapter shaft 29 by up transmission gear 28 transmissions.
As shown in Figure 4, front and back are driven distribution box 11 and are comprised output shaft of gear-box 30, change speed gear box output gear 31, transition gear 32, forerunner's output shaft gear 33 and forerunner's output shaft 34, described change speed gear box output gear 31 is arranged on output shaft of gear-box 30, forerunner's output shaft gear 33 is arranged on forerunner's output shaft 34, and change speed gear box output gear 31 and forerunner's output shaft gear 33 are by transition gear 32 transmissions; Described rear-guard clutch case 17 comprises forerunner's output shaft 34, rear-guard clutch gear 35 and rear-guard adapter shaft 36, and described rear-guard clutch gear 35 is arranged on forerunner's output shaft 34, and forerunner's output shaft 34 also is connected with rear-guard adapter shaft 36.
As shown in Figure 5, be that drawing head assembly 20 of the present utility model oppositely is arranged between rear-drive chassis support 13 and forerunner's chassis overhang 23, the direction that trac. advances is pointed in axis of traction 37 terminations of described drawing head assembly 20.
As shown in Figure 6, be traditional drawing head assembly 20 mounting structure figure, the axis of traction 37 of described drawing head assembly 20 is connected with rear-drive chassis support 13.
As shown in Figure 7, clutch transmission 4 comprises clutch spindle 38, clutch transmission finishing bevel gear cuter 39 and clutch transmission output shaft 40, on clutch spindle 38 and clutch transmission output shaft 40, clutch transmission finishing bevel gear cuter 39 all is installed, the output number of teeth of clutch transmission finishing bevel gear cuter 39 is greater than 1 with the input ratio of number of teeth, makes transmission speed further reduce.
As shown in Figure 8, that power transmission of the present utility model is divided into two sections to transmission shaft by descending transmission gearbox 6 and up transmission gearbox 8, forerunner's transmission shaft 21 also is divided into two sections by forerunner's clutch case 19, the i.e. first segment point of connection 43 of two joint transmissions and bow a little 44, when the relative trailing wheel 41 of front-wheel 46 is turned, transmission shaft point of connection 45 is reduced in 25 degree with the angle that transmission shaft is bowed a little.
As shown in Figure 9, traditional power drive shaft with forerunner's transmission shaft 21 for directly to be connected, and only have one to bow a little 44, like this, the angle of a transmission shaft of bowing during turning is very large, when the relative trailing wheel 41 of front-wheel 46 is turned, transmission shaft point of connection 45 and bow a little and 44 usually to surpass 35 with the angle of rear-guard change speed gear box point of connection 42 and spend, affect the transmission of power, reduced energy consumption, sometimes also send abnormal sound, accelerated the rate of wear of transmission shaft.
Principle of work: the power of driving engine 1 by belt 2 by power after power-transfer clutch 3 clutch for clutch control pass to clutch transmission 4 speed changes, be transferred to descending transmission gearbox 6 by power connection shaft 5 and walk around drawing head assembly 20, power passes to up transmission gearbox 8 by change speed gear box adapter shaft 7, drive distribution box 11 before and after after arrival change speed gear box 10 constant speed, power being passed to and control, pass to rear driving axle assembly 15 by rear-guard transmission shaft 16 and realize rear-guard; Forerunner's adapter shaft 18 is passed to forerunner's clutch case 19 to the power of power the past rear-guard distribution box 11 and is controlled, and passes to front driving axle assembly 22 through forerunner's transmission shaft 21 and realizes the forerunner.Forerunner's clutch case 19 closes, rear-guard clutch case 17 from, realize single forerunner; Otherwise single rear-guard; Forerunner's clutch case 19 closes, and rear-guard clutch case 17 also closes, and realizes that drive front and back simultaneously.The control of the direction of bowing is that steering wheel is realized by the throw of controlling the direction ear on drawing head assembly 20; The utility model power drive shaft is divided into two sections to transmission shaft by descending transmission gearbox 6 and up transmission gearbox 8, and forerunner's transmission shaft 21 also is divided into two sections by forerunner's clutch case 19, can be reduced to the transmission shaft angle of bowing a little in 25 degree.
Claims (6)
1. an articulated tractor, the drawing head assembly (20) that comprises driving engine (1), belt (2), power-transfer clutch (3), chassis (12), transmission device, rear-drive chassis support (13), railway carriage (14), forerunner's chassis overhang (23) and articulated steering, between described driving engine (1) and power-transfer clutch (3), by belt (2), directly be connected, it is upper that railway carriage (14) is arranged on chassis (12), it is characterized in that: described power-transfer clutch (3) is provided with clutch transmission (4) that can speed change; Described transmission device comprises that power connection shaft (5), descending transmission gearbox (6), up transmission gearbox (8), change speed gear box (10), front and back drive distribution box (11) and rear-guard clutch case (17), an end of described power connection shaft (5) with clutch transmission (4) connection, the other end and descending transmission gearbox (6), connect and together be arranged on rear-drive chassis support (13); Up transmission gearbox (8) is arranged in operator seat, and descending transmission gearbox (6) is connected by change speed gear box adapter shaft (7) with up transmission gearbox (8), and the mouth of up transmission gearbox (8) is connected with change speed gear box (10); Described change speed gear box (10) is to drive with front and back the sectional construction that distribution box (11) and rear-guard clutch case (17) link into an integrated entity; Described drawing head assembly (20) is oppositely installed.
2. articulated tractor according to claim 1, it is characterized in that: described clutch transmission (4) comprises clutch spindle (38), clutch transmission finishing bevel gear cuter (39) and clutch transmission output shaft (40), on clutch spindle (38) and clutch transmission output shaft (40), clutch transmission finishing bevel gear cuter (39) all is installed, the output number of teeth of clutch transmission finishing bevel gear cuter (39) is greater than 1 with the input ratio of number of teeth.
3. articulated tractor according to claim 1, it is characterized in that: described descending transmission gearbox (6) comprises descending transmission gearbox adapter shaft (24), descending transmission gear (25) and descending transmission case output shaft (26), between described descending transmission gearbox adapter shaft (24) and descending transmission case output shaft (26) by descending transmission gear (25) transmission.
4. articulated tractor according to claim 1, it is characterized in that: described up transmission gearbox (8) comprises change speed gear box input shaft (27), up transmission gear (28) and up transmission gearbox adapter shaft (29), between described change speed gear box input shaft (27) and up transmission gearbox adapter shaft (29) by up transmission gear (28) transmission.
5. articulated tractor according to claim 1, it is characterized in that: described front and back are driven distribution box (11) and are comprised output shaft of gear-box (30), change speed gear box output gear (31), transition gear (32), forerunner's output shaft gear (33) and forerunner's output shaft (34), described change speed gear box output gear (31) is arranged on output shaft of gear-box (30), it is upper that forerunner's output shaft gear (33) is arranged on forerunner's output shaft (34), and change speed gear box output gear (31) and forerunner's output shaft gear (33) are by transition gear (32) transmission.
6. articulated tractor according to claim 1, it is characterized in that: described rear-guard clutch case (17) comprises forerunner's output shaft (34), rear-guard clutch gear (35) and rear-guard adapter shaft (36), it is upper that described rear-guard clutch gear (35) is arranged on forerunner's output shaft (34), and forerunner's output shaft (34) also is connected with rear-guard adapter shaft (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220663821XU CN203332247U (en) | 2012-12-06 | 2012-12-06 | Articulated tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220663821XU CN203332247U (en) | 2012-12-06 | 2012-12-06 | Articulated tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203332247U true CN203332247U (en) | 2013-12-11 |
Family
ID=49700942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220663821XU Withdrawn - After Issue CN203332247U (en) | 2012-12-06 | 2012-12-06 | Articulated tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203332247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935802A (en) * | 2012-12-06 | 2013-02-20 | 南宁市武拖机械有限责任公司 | Bowing tractor |
| CN106678162A (en) * | 2017-01-22 | 2017-05-17 | 南宁市武拖机械有限责任公司 | Transmission shaft of bowing steering tractor |
-
2012
- 2012-12-06 CN CN201220663821XU patent/CN203332247U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935802A (en) * | 2012-12-06 | 2013-02-20 | 南宁市武拖机械有限责任公司 | Bowing tractor |
| CN106678162A (en) * | 2017-01-22 | 2017-05-17 | 南宁市武拖机械有限责任公司 | Transmission shaft of bowing steering tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |