CN210881672U - Multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of automobile - Google Patents
Multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of automobile Download PDFInfo
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- CN210881672U CN210881672U CN201921587929.3U CN201921587929U CN210881672U CN 210881672 U CN210881672 U CN 210881672U CN 201921587929 U CN201921587929 U CN 201921587929U CN 210881672 U CN210881672 U CN 210881672U
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- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 16
- 239000002131 composite material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009347 mechanical transmission Effects 0.000 description 3
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Abstract
The utility model discloses an adapt to engineering machine tool low-speed operation and the multi-mode traveling system that traveles of car high speed, the utility model discloses an engine, compound walking gearbox body, hydraulic pump and the hydraulic motor that links to each other with the box link to each other through hydraulic pressure oil pipe between hydraulic pump and the hydraulic motor, pass through front and back axle and the wheel that the driven shaft links to each other with the box, and the front axle has the drive and takes off the clutch, satisfies the front axle and turns to the not driven car requirement of traveling, and the multi-mode compound traveling system of low-speed engineering machine tool and high-speed car is constituteed jointly to whole compound walking gearbox body and the hydraulic pump that links to each. The utility model discloses use low-speed engineering machine tool traveling system as leading, through the traveling system switching, change gear switches, makes low-speed engineering machine tool traveling system satisfy high-speed automobile traveling system's speed requirement, possesses high-speed automobile traveling system's characteristic, can adapt to long distance quick motor-driven operation requirement of changing the place on a large scale, improves the operating efficiency under the special operational environment.
Description
Technical Field
The utility model belongs to the technical route of the dedicated traveling system of special engineering machine tool, in particular to high-speed automobile field and the compound traveling system of multi-mode in low-speed engineering machine tool field.
Background
The walking system of the existing engineering machinery is characterized in that: the hydraulic transmission or hydraulic transmission is adopted, the transmission ratio is low, the maximum running speed of a running system is about 40km/h, the running condition on the road on a common road is not met, and the existing engineering machinery cannot meet the running speed requirement of road vehicles due to low running speed per se when the engineering machinery is used for large-range long-distance transition operation, and needs to be transported by means of a flat transport vehicle.
The existing automobile traveling system has the characteristics that: mechanical transmission or hydraulic transmission is adopted, the transmission ratio is high, the maximum running speed of a running system is over 80km/h, the running system has the running condition on the road on a common road, and large-range long-distance motor running can be carried out.
Disclosure of Invention
An object of the utility model is to provide a can satisfy low-speed engineering machine tool traveling system and high-speed automobile traveling system's compound traveling system of multi-mode simultaneously to low-speed engineering machine tool traveling system is given first place to, switches through traveling system, and change gear switches, makes low-speed engineering machine tool traveling system satisfy high-speed automobile traveling system's speed requirement, possesses high-speed automobile traveling system's characteristic, can adapt to the quick motor-driven operation requirement of changeing of long distance on a large scale, improves the operating efficiency under the special operational environment.
The utility model discloses an engine, compound walking gearbox body, hydraulic pump and the hydraulic motor that links to each other with the box link to each other through hydraulic pressure oil pipe between hydraulic pump and the hydraulic motor, pass through front and back axle and the wheel that the driven shaft links to each other with the box, and the front axle has the drive and takes off the clutch, satisfies the front axle and turns to the requirement of not driven car traveling, and whole compound walking gearbox body and the hydraulic pump that links to each other and hydraulic motor constitute the compound traveling system of low-speed engineering machine tool and high-speed car's multi-mode jointly.
The technical scheme of the utility model is realized like this: the hydraulic pump and the hydraulic motor are connected with the box body, a power output shaft is assembled in the composite walking gearbox body, a first driven shaft, a second driven shaft and a third driven shaft, the front end of the engine is connected with the power output shaft in the composite walking gearbox body through a flange, a first gear is assembled on the power output shaft, a first clutch, a hydraulic torque converter, a second clutch and a second gear are assembled on the first driven shaft, a third gear is assembled on the first driven shaft, a third clutch is assembled on the first driven shaft, the third gear on the first driven shaft is meshed with the first gear on the power output shaft and is connected with the hydraulic pump through the flange, and the front end of the first driven shaft is connected with the hydraulic pump through the flange.
The speed change gear, No. four gears and No. four clutches are assembled on the second driven shaft, the No. four gears on the second driven shaft are meshed with the No. two gears on the power output shaft, the front end of the second driven shaft is connected with the hydraulic motor through a flange, the hydraulic pump is connected with the hydraulic motor through a hydraulic oil conveying pipe, the fifth gear, No. six gears and No. five clutches are assembled on the third driven shaft, the front end of the third driven shaft is connected with a front axle and front wheels, and the rear end of the third driven shaft is connected with a rear axle and rear wheels.
By adopting the structure and the technical scheme of the utility model, the running speed requirements of two fields of low-speed engineering machinery and high-speed automobiles can be realized, when the low-speed engineering machinery works, the engine is directly connected with the hydraulic pump through the conversion action among the multiple groups of gears and the multiple groups of clutches in the composite walking gearbox body, the hydraulic pump is connected with the hydraulic motor through the hydraulic oil pipe, and the hydraulic motor is connected to the front axle and the rear axle which are connected with the driven shaft and wheels through the conversion action among the multiple groups of gears and the multiple groups of clutches, so that the low-speed running function of the engineering machinery is realized; when high-speed automobile uses, the engine passes through the conversion action between multiunit gear, the multiunit clutch in the compound walking gearbox casing to and the lug connection function of shutting torque converter, through change gear, the front axle drive release clutch in the gearbox casing, be connected to the preceding rear axle and the wheel that the driven shaft links to each other, realize the high-speed function of traveling of car, adopt the utility model discloses a technical route, engineering machine tool low-speed operation speed of traveling is no longer than 40km/h, converts the car high speed state of traveling into, and speed can reach more than 80 km/h.
Drawings
Fig. 1 is a schematic view of the overall layout and three-dimensional structure of the present invention.
Fig. 2 is a schematic diagram of a transmission route of the walking power when the engineering machinery runs at low speed.
Fig. 3 is a schematic diagram of the transmission route of the walking power when the automobile runs at high speed.
Fig. 4 is a schematic diagram of the transmission route of the traveling power when the utility model simultaneously satisfies the low-speed operation traveling of the engineering machinery and the high-speed traveling of the automobile.
The present invention will be described in further detail with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1 and 4, the utility model comprises an engine 2, a compound walking gearbox body, a hydraulic pump 10 and a hydraulic motor 12 connected with the box body, wherein a power output shaft 20, a first driven shaft 21, a second driven shaft 23 and a third driven shaft 22 are assembled in the compound walking gearbox body; the front end of the engine 2 is connected with a power output shaft 20 in the compound traveling gearbox body through a flange, and a first gear 3, a first clutch 4, a hydraulic torque converter 6, a second clutch 7 and a second gear 9 are assembled on the power output shaft 20; the first driven shaft 21 is provided with a third gear 5 and a third clutch 8, the third gear 5 on the first driven shaft 21 is meshed with the first gear 3 on the power output shaft 20, and the front end of the first driven shaft 21 is connected with the hydraulic pump 10 through a flange; a speed change gear 14, a fourth gear 18 and a fourth clutch 19 are assembled on the second driven shaft 23, the fourth gear 18 on the second driven shaft 23 is meshed with the second gear 9 on the power output shaft 20, the front end of the second driven shaft 23 is connected with the hydraulic motor 12 through a flange, and the hydraulic pump 10 is connected with the hydraulic motor 12 through a hydraulic oil conveying pipe 11; the third driven shaft 22 is provided with a fifth gear 15, a sixth gear 16 and a fifth clutch 17, the fifth gear 15 on the third driven shaft 22 is meshed with the speed change gear 14 on the second driven shaft 23, the front end of the third driven shaft 22 is connected with a front axle and a front wheel 13, and the rear end of the third driven shaft 22 is connected with a rear axle and a rear wheel 1.
The engineering machinery runs at low speed and the automobile runs at high speed, and the working processes of the two running modes are as follows:
referring to fig. 1 and 2, the construction machine travels at a low speed:
before the engine 2 is started, the first clutch 4 and the second clutch 7 are disconnected, the third clutch 8 and the fourth clutch 19 are closed, the engine 2 is started, only the first gear 3 of the power output shaft 20 rotates to transmit power, the power is transmitted to the first driven shaft 21 through the third gear 5 which is connected in a meshed mode, the first driven shaft 21 transmits the power to the hydraulic pump 10 through the third clutch 8 which is closed, the hydraulic pump 10 transmits the power to the hydraulic motor 12 through the oil delivery pipe 11, the hydraulic motor 12 transmits the power to the second driven shaft 23 through the fourth clutch 19 which is closed, the speed changing gear 14 on the second driven shaft 23 and the fourth gear 18 rotate simultaneously to transmit the power, the second gear 9 which is connected in a meshed mode with the fourth gear 18 is always in an idle running state and does not transmit the power because the second clutch 7 is disconnected, and the speed changing gear 14 on the second driven shaft 23 transmits the power to the third driven shaft through the fifth gear 15 or the sixth gear 16 which is connected in a meshed mode On the shaft 22, the third driven shaft 22 transmits power to a front axle and a front wheel 13 of the engineering machinery, and a rear axle and a rear wheel 1 of the engineering machinery, so that the low-speed operation running requirement of the engineering machinery is met.
Whether the clutch No. five 17 is opened or closed before the engine 2 is started is determined by the operator himself, four-wheel drive, with the clutch No. five 17 closed, two-wheel drive, with the clutch No. five 17 open.
The working mode is a hydraulic transmission mode of the engineering machinery in a general sense, and the operation running speed does not exceed 40 km/h.
Referring to fig. 1 and 3, the automobile runs at a high speed:
before the engine 2 is started, the third clutch 8, the fourth clutch 19 and the fifth clutch 17 are disconnected, the first clutch 4 and the second clutch 7 are closed, the engine 2 is started, the power output shaft 20 rotates to transmit power, the first gear 3, the closed first clutch 4, the closed hydraulic torque converter 6 and the closed second clutch 7 drive the second gear 9 to transmit power, the third gear 5 meshed and connected with the first gear 3 is always in an idle state and does not transmit power because the third clutch 8 is disconnected, the second gear 9 transmits power to the second driven shaft 23 through the fourth gear 18 meshed and connected with the second driven shaft 23, the fourth clutch 19 is disconnected, the second driven shaft 23 and the hydraulic motor 12 are in a disconnected state, and the speed change gear 14 on the second driven shaft 23 transmits power to the third driven shaft 22 through the fifth gear 15 or the sixth gear 16 meshed and connected with the second driven shaft 23, because the fifth clutch 17 is disconnected, the third driven shaft 22 only transmits power to the rear axle and the rear wheels 1 of the engineering machinery, and does not transmit power to the front axle and the front wheels 13 any more, so that the industrial standard requirements of front axle steering, non-driving and rear axle driving during high-speed running of the automobile are met.
The working mode is a mechanical transmission mode or a hydraulic mechanical transmission mode for high-speed running of the automobile in the general sense, the running speed of a highway exceeds 80km/h, and the highway enters the field of automobiles.
The working process of the composite traveling system which simultaneously meets the requirements of low-speed operation traveling of the engineering machinery and high-speed traveling of the automobile is as follows:
referring to fig. 1 and 4, before the engine 2 is started, the fifth clutch 17 is disconnected, the first clutch 4, the second clutch 7, the third clutch 8 and the fourth clutch 19 are closed, the engine 2 is started, the power output shaft 20 rotates to transmit power, and the first gear 3, the closed first clutch 4, the closed hydraulic torque converter 6 and the closed second clutch 7 drive the second gear 9 to transmit power; because the third clutch 8 is in a closed state, the first gear 3 transmits power to the first driven shaft 21 through the third gear 5 which is meshed and connected, the first driven shaft 21 transmits the power to the hydraulic pump 10 through the closed third clutch 8, the hydraulic pump 10 transmits the power to the hydraulic motor 12 through the oil pipeline 11, the hydraulic motor 12 transmits the power to the second driven shaft 23 through the closed fourth clutch 19, the hydraulic transmission power is achieved, meanwhile, the second gear 9 on the power output shaft 20 transmits the power to the second driven shaft 23 through the fourth gear 18 which is meshed and connected, the mechanical or hydraulic transmission power is achieved, the power distribution problem exists, the distribution ratio of the hydraulic mechanical composite transmission power is determined by an engineering mechanical whole machine control system according to the working condition, the hydraulic transmission power and the mechanical hydraulic transmission power are simultaneously absorbed by the second driven shaft 23 according to the distribution calculated and distributed by the control system, and then the composite transmission power is transmitted to a third driven shaft 22 through a speed change gear 14 on a second driven shaft 23 through a fifth gear 15 or a sixth gear 16 which are connected in a meshed mode, and the third driven shaft 22 only transmits the mechanical hydraulic composite transmission power to a rear axle and rear wheels 1 of the engineering machinery due to the fact that a fifth clutch 17 is disconnected, so that the power is not transmitted to a front axle and front wheels 13, the requirement of high-speed running of the automobile is met, and the requirement of low-speed operation of the engineering machinery is met.
In any driving state, the third clutch 8 and the fourth clutch 19 are simultaneously linked, and the first clutch 4 and the second clutch 7 are simultaneously linked, disconnected and disconnected, and closed.
Claims (4)
1. Adapt to engineering machine tool low-speed operation and the multi-mode traveling system that traveles of car high speed, including an engine (2), compound walking gearbox, hydraulic pump (10) and hydraulic motor (12) that link to each other with the box, its characterized in that, compound walking gearbox is internal to be equipped with power output shaft (20), first driven shaft (21), second driven shaft (23), third driven shaft (22), engine (2) front end passes through flange and links to each other with power output shaft (20) in the compound walking gearbox, No. three gear (5) on first driven shaft (21) and gear (3) meshing connection on power output shaft (20), first driven shaft (21) front end passes through the flange and links to each other with hydraulic pump (10).
2. The multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of an automobile according to claim 1 is characterized in that a speed change gear (14), a fourth gear (18) and a fourth clutch (19) are mounted on a second driven shaft (23), the fourth gear (18) on the second driven shaft (23) is meshed with the second gear (9) on a power output shaft (20) and connected with a hydraulic motor (12) through a flange, a hydraulic pump (10) is connected with the hydraulic motor (12) through a hydraulic oil conveying pipe (11), a fifth gear (15), a sixth gear (16) and a fifth clutch (17) are mounted on a third driven shaft (22), a front axle and front wheels (13) are connected to the front end of the third driven shaft (22), and a rear axle and rear wheels (1) are connected to the rear end of the third driven shaft.
3. The multi-mode traveling system suitable for low-speed operation of construction machinery and high-speed running of an automobile according to claim 1, wherein a first gear (3), a first clutch (4), a hydraulic torque converter (6), a second clutch (7) and a second gear (9) are assembled on the power output shaft (20).
4. The multi-mode traveling system for low-speed operation and high-speed running of engineering machinery according to claim 1, wherein a third gear (5) and a third clutch (8) are mounted on the first driven shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587929.3U CN210881672U (en) | 2019-09-23 | 2019-09-23 | Multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587929.3U CN210881672U (en) | 2019-09-23 | 2019-09-23 | Multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210881672U true CN210881672U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921587929.3U Active CN210881672U (en) | 2019-09-23 | 2019-09-23 | Multi-mode traveling system suitable for low-speed operation of engineering machinery and high-speed running of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210881672U (en) |
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2019
- 2019-09-23 CN CN201921587929.3U patent/CN210881672U/en active Active
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