CN105437960A - Special vehicle chassis - Google Patents
Special vehicle chassis Download PDFInfo
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- CN105437960A CN105437960A CN201510478776.9A CN201510478776A CN105437960A CN 105437960 A CN105437960 A CN 105437960A CN 201510478776 A CN201510478776 A CN 201510478776A CN 105437960 A CN105437960 A CN 105437960A
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- power
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- power takeoff
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Abstract
The invention relates to a special vehicle chassis. An input gear of a full-power power takeoff and an output shaft of an engine are connected; a first output shaft of the full-power power takeoff and vehicle-loaded equipment are connected; a second output shaft of the full-power power takeoff and a clutch are connected; the clutch is connected with a gearbox; the gearbox is connected with a first transmitting shaft; the first transmitting shaft is connected with an inter-axle decelerator which is connected with a second transmitting shaft; the second transmitting shaft is connected with a rear axle; the special vehicle chassis also comprises a controlling system which controls the inter-axle decelerator to enable a vehicle to enter a low driving speed state. According to the special vehicle chassis disclosed by the invention, the deficiency that in the prior art, the power required when the vehicle-loaded equipment works is large, so that an independent engine needs to be matched for supplying energy to the vehicle-loaded equipment is overcome, the comprehensive utilization and the reasonable matching of three techniques of the full-power power takeoff, the inter-axle decelerator and engine long-range accelerator controlling switch control are realized, and the requirements that a road sweeping vehicle, a cleaning road sweeping vehicle and a guardrail cleaning vehicle run at a low speed but the vehicle-loaded equipment needs large power to work can be well met by only using the chassis.
Description
Technical field
The invention belongs to vehicle chassis technology field, be specifically related to utilize engine in situ power taking thus cancel assembling on remoulded car and put the chassis special of middle assistant engine.
Background technology
The special-use vehicle such as sweeping machine, cleaning sweeper, Cleaning vehicle for guardrail, mobile power vehicle that domestic present stage uses, because of the standby (working portion except car chassis of upper installing, as blower fan, high-pressure hydraulic pump, electrical generator,) work power demand large, can mate one independently driving engine come upper installing available energy, be referred to as assistant engine, namely a special-use vehicle has two driving engines, the driving engine on chassis and upper dress driving engine.Prior art exists following not enough: 1, because assistant engine need take upper dress device length and locus, make other working portion can only do little volume, reduce car load product usefulness, such as middle-size and small-size cleaning sweeper, water tank capacity is little, and once add water only enough uses continuously about 30 minutes, needs frequently to add water in operation, time-consuming power consumption, inefficiency; 2, a set of assistant engine price (quality is medium) more than 2.4 ten thousand yuan, increases repacking cost; 3, during work, two driving engines start simultaneously, increase the oil consumption of more than 7L/ hour; 4, two driving engine emission pollutants, in addition usual Zhi Da state-two of the discharge of assistant engine simultaneously, even state one, be again high loaded process during work, emission pollutants is more, worsens discharge; 5, many driving engines can increase the fault rate of integral device, increase and change the daily attention such as machine oil, fil cost, reduce automobile reliability, increase daily attention cost.
Summary of the invention
Object of the present invention be exactly provide for above-mentioned weak point a kind of utilize engine in situ power taking be upper installing available can special-purpose automobile chassis, cancel existing assistant engine, aforementioned deficiency can be improved comprehensively.
Technical solution of the present invention is: a kind of special-purpose automobile chassis, comprises vehicle frame and operator's compartment, driving engine, Full-power takeoff, change speed gear box, between centers retarder, the back axle of being located at vehicle frame; The input gear of Full-power takeoff connects with the output shaft (bent axle) of driving engine, and the first output shaft of Full-power takeoff is connected with upper installing is standby; Second output shaft of Full-power takeoff is connected with power-transfer clutch, and power-transfer clutch connects change speed gear box, and change speed gear box connects the first transmission shaft, retarder between the first coupling propeller shaft, and between centers retarder connects second driving shaft, and second driving shaft connects back axle; Also comprising retarder between an actuating spindle makes vehicle enter the control system of low traveling speed state.
Control system of the present invention is: be provided with speed control switch in operator's compartment, speed control switch connected electromagnetic valve, and electromagnetic valve is associated with on the pipeline that air receiver ventilates between centers retarder, retarder switching mechanism between air receiver outlet pipe adapter shaft; Operator's compartment is provided with long-range Throttle Opening Control switch.
The present invention also comprises one and receives the car running computer that long-range Throttle Opening Control switch sends signal, instructing engine enters stabilized speed shape.
Another technical solution of the present invention is: a kind of special-purpose automobile chassis, comprise vehicle frame and be located at the operator's compartment of vehicle frame, driving engine, Full-power takeoff, change speed gear box, auxiliary gearbox (a kind of function and between centers power taking similar, but be directly connected in the retarding device of change speed gear box), back axle; The input gear of Full-power takeoff connects with the output shaft (bent axle) of driving engine, and the first output shaft of Full-power takeoff is connected with upper installing is standby; Second output shaft of Full-power takeoff is connected with power-transfer clutch, and power-transfer clutch connects change speed gear box, and change speed gear box connects auxiliary gearbox, and auxiliary gearbox connects the first transmission shaft, and the first transmission is coupling second driving shaft, and second driving shaft connects back axle; Also comprising a control auxiliary gearbox makes vehicle enter the control system of low traveling speed state.
Control system of the present invention is be provided with speed control switch in operator's compartment, speed control switch connected electromagnetic valve, and electromagnetic valve is associated with on the pipeline that air receiver ventilates to auxiliary gearbox, air receiver outlet pipe auxiliary connection change speed gear box switching mechanism; Operator's compartment is provided with long-range Throttle Opening Control switch.The present invention also comprises one and receives the car running computer that long-range Throttle Opening Control switch sends signal, instructing engine enters stabilized speed shape.
The present invention is provided with the Full-power takeoff be connected with driving engine; Be equipped with control of engine speed switch, realize rotating speed constant speed mode of operation, and realize increase or the reduction of rotating speed by switch; The between centers retarder of the speed of a motor vehicle or auxiliary gearbox when chassis is equipped with adjustment work.
The present invention with driving engine in situ from Full-power takeoff delivery port to upper installing available energy, cancel the assistant engine to upper dress energy supply.When the special-use vehicle arrival work area of having reequiped prepares to enter mode of operation, speed control switch is transferred to work shelves, electromagnetic valve is opened, and between air pressure impeller-hub, retarder switches at a high speed than state, the rotating speed of the first transmission shaft reduces via output speed after between centers retarder, thus reduces the speed of a motor vehicle; Car chassis will enter the low-speed running state of setting; Next open long-range Throttle Opening Control switch 1, engine speed is promoted to preset rotation speed by car running computer, and now, engine torque and power reach working level, and Full-power takeoff constant speed horsepower output is kept supplying dress and used; When needs adjustment engine speed, adjust by long-range Throttle Opening Control switch; In working order, adjust the mode of Vehicle Speed by gear shift if want, or adjustment engine speed, now, engine throttle is out-of-action
The present invention can realize following functions: gently block the same when vehicle is at normal motoring condition with routine, when needs enter mode of operation, between centers retarder or auxiliary gearbox are opened, the speed of a motor vehicle adjusts and reduce (this type of working truck needs low speed driving mode of operation), then by control of engine speed switch opens, cancel throttle to the control of rotating speed, by adjustment switch control rule engine speed, vehicle enters low speed constant-speed traveling state, pass through gear shift, and the adjustment of rotating speed, vehicle can be walked or drive slowly at 3-25KM/H speed interval low speed (this is the work speed interval of this type of working truck requirement), with the Full-power takeoff of driving engine direct connection now can be constant rotating speed to upper dress energy supply, rotating speed because of engine in situ is now set in economic speed interval and power stage is large, fully can meet the significant power demand of upper dress part, the oil consumption performance on chassis is better simultaneously.
Beneficial effect of the present invention: 1, increasing fills space: water tank, garbage bin volume increase, improves car load stream time; 2, repacking cost more than ten thousand yuan is reduced; 3, reduce work oil consumption and be about 7L/H, darg cost saving in 8 hours more than 350 yuan; 4, the exhaust emission of minimizing one chassis is equivalent to; 5, reduce maintenance, the maintenance, repair of a driving engine, improve the vehicle attendance rate simultaneously.In general, energy-saving and emission-reduction, reduce costs in effect remarkable.
The present invention takes the lead in achieving Full-power takeoff, between centers slows down, the comprehensive application of engine remote Throttle Opening Control switch control rule three technology and organic coupling, only namely can meet the low speed drivings such as sweeping machine, cleaning sweeper, Cleaning vehicle for guardrail and the standby demand (cancellation assistant engine) needing high power work of upper installing well with chassis.Thus comparatively great society benefit is brought in space utilization, cost of product, vehicle oil consumption, environment protection emission, maintenance cost etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is power output system of the present invention (Full-power takeoff) schematic diagram.
Fig. 3 is vehicle speed governing system of the present invention (between centers retarder) schematic diagram.
Fig. 4 is exemplary construction schematic diagram of the present invention.
Detailed description of the invention
In Fig. 1, the present invention includes operator's compartment 8, driving engine 9, Full-power takeoff 6, change speed gear box 10, transmission shaft 11, between centers retarder 7, back axle 14, vehicle frame 13, air receiver 5, electromagnetic valve 4, car running computer 3, speed control switch 2 and long-range Throttle Opening Control switch 1.Operator's compartment 8 is arranged on vehicle frame 13 front upper, it is anterior that driving engine 9 is arranged on vehicle frame 13, driving engine 9 rear portion that Full-power takeoff 6 is installed, power-transfer clutch is arranged on the rear portion of Full-power takeoff, change speed gear box 10 is arranged on power-transfer clutch rear portion, between centers retarder 7 is arranged in the middle part of vehicle frame 13, first transmission shaft 11 connects change speed gear box 10 and between centers retarder 7, retarder 7 and back axle 14 between second driving shaft 12 coupling spindle, PTO1 connects car running computer 3, speed control switch 2 connected electromagnetic valve 4, electromagnetic valve 4 connects air receiver 5, retarder 7 between air receiver 5 adapter shaft.
When operating condition, stir speed control switch 2, electromagnetic valve of instruction 4 closes, thus air receiver 5 is ventilated between centers retarder 7, with retarder 7 switching mechanism between air pressure impeller-hub, retarder is adjusted to deceleration regime (referring to rear page between centers deceleration embodiment), now vehicle enters low traveling speed state.Open long-range Throttle Opening Control switch 1, long-range Throttle Opening Control switch 1 give a signal is to car running computer 3, car running computer 3 instructing engine 9 enters stabilized speed state, and now the output bead of the Full-power takeoff 6 of connecting engine 9 is stablized output speed and moment of torsion and kept supplying to fill and use.Because of the deceleration effort of between centers retarder 7, the moving velocity compared with normal motoring condition of each gear of vehicle is low, and the speed of a motor vehicle is that the normal speed of a motor vehicle is divided by retarder reduction ratio.Such motoring condition meets this class working truck to the requirement of work speed.
In Fig. 2, engine torsion is exported by crankshaft rear end 15, drives Full-power takeoff input gear 16 to rotate, and transmits torsion to output gear 18 through Sui's wheel 17, and finally by output bead 19 outputting torsion, output bead can drive and fill equipment operation.
In Fig. 3, when switching mechanism 22 is allocated to left side, by internally toothed annulus by output shaft 21 and input shaft 20 direct connection, now reducer input shaft and output shaft speed ratio are 1:1; When switching mechanism 22 is allocated to right side, output shaft 21 and countershaft-gear 23 are connected, and input shaft torsion is delivered to output shaft after countershaft-gear double reduction, now realizes the change of rotating speed and torsion.
Fig. 4, for cleaning sweeper, explains with the schematic diagram that mates of upper assembling structure with chassis, and chassis of the present invention is used for cleaning sweeper, then driven the belt pulley of belt pulley seat 25 by Full-power takeoff 6 through transmission shaft 24, then drive blower fan 27 by belt 26.Between centers slows down and vehicle can be made to realize when higher rotation speed according to required low speed driving, and as swept road chassis special east wind Kai Pute sample car for cleaning, each gear moving velocity is:
| Gear | 1 grade | 2 grades | 3 grades | 4 grades | 5 grades |
| The speed of a motor vehicle | 3.0 | 4.6 | 7.2 | 13.8 | 19.7 |
Meet the needs of cleaning sweeper completely.
Claims (6)
1. a special-purpose automobile chassis, comprises vehicle frame (13) and is located at operator's compartment (8), driving engine (9), Full-power takeoff (6), change speed gear box (10), between centers retarder (7), the back axle (14) of vehicle frame; It is characterized in that: the input gear of Full-power takeoff (6) connects with the output shaft of driving engine (9), the first output shaft of Full-power takeoff (6) is connected with upper installing is standby; Full-power takeoff (6) second output shaft is connected with power-transfer clutch, power-transfer clutch connects change speed gear box 10, change speed gear box (10) connects the first transmission shaft, retarder (7) between the first transmission shaft adapter shaft, between centers retarder (7) connects second driving shaft, and second driving shaft connects back axle (14); Also comprising retarder (7) between an actuating spindle makes vehicle enter the control system of low traveling speed state.
2. special-purpose automobile chassis according to claim 1, is characterized in that: described control system is:
Speed control switch (2) is provided with in operator's compartment (8), speed control switch (2) connected electromagnetic valve (4), electromagnetic valve (4) is associated with on the pipeline that air receiver (5) ventilates between centers retarder (7), the switching mechanism of retarder (7) between air receiver (5) outlet pipe adapter shaft; Operator's compartment (8) is provided with long-range Throttle Opening Control switch (1).
3. special-purpose automobile chassis according to claim 2, is characterized in that: also comprise one and receive the car running computer (3) that long-range Throttle Opening Control switch (1) sends signal, instructing engine (9) enters stabilized speed shape.
4. a special-purpose automobile chassis, comprises vehicle frame (13) and is located at operator's compartment (8), driving engine (9), Full-power takeoff (6), change speed gear box (10), auxiliary gearbox (10) back axle (14) of vehicle frame; It is characterized in that: the input gear of Full-power takeoff (6) connects with the output shaft of driving engine (9), the first output shaft of Full-power takeoff (6) is connected with upper installing is standby; Second output shaft of Full-power takeoff (6) is connected with power-transfer clutch, power-transfer clutch connects change speed gear box (10), change speed gear box (10) connects auxiliary gearbox (10), auxiliary gearbox (10) connects the first transmission shaft, first transmission is coupling second driving shaft, and second driving shaft connects back axle (14); Also comprising a control auxiliary gearbox makes vehicle enter the control system of low traveling speed state.
5. special-purpose automobile chassis according to claim 4, is characterized in that: described control system is:
Speed control switch (2) is provided with in operator's compartment (8), speed control switch (2) connected electromagnetic valve (4), electromagnetic valve (4) is associated with on the pipeline that air receiver (5) ventilates to auxiliary gearbox (10), the switching mechanism of air receiver (5) outlet pipe auxiliary connection change speed gear box (10); Operator's compartment (8) is provided with long-range Throttle Opening Control switch (1).
6. special-purpose automobile chassis according to claim 5, is characterized in that: also comprise one and receive the car running computer (3) that long-range Throttle Opening Control switch (1) sends signal, instructing engine (9) enters stabilized speed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478776.9A CN105437960A (en) | 2015-08-03 | 2015-08-03 | Special vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478776.9A CN105437960A (en) | 2015-08-03 | 2015-08-03 | Special vehicle chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105437960A true CN105437960A (en) | 2016-03-30 |
Family
ID=55548762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510478776.9A Pending CN105437960A (en) | 2015-08-03 | 2015-08-03 | Special vehicle chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105437960A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627130A (en) * | 2017-03-02 | 2017-05-10 | 北京水洁技术有限公司 | Vehicle chassis special for stable electric generation and speed change walking |
| CN107914775A (en) * | 2017-12-27 | 2018-04-17 | 中国重汽集团济南动力有限公司 | A kind of double power Special vehicle chassis and control method |
| CN110103706A (en) * | 2018-02-01 | 2019-08-09 | 西安博贤机电设备有限公司 | A kind of energy saving and environment friendly power taking transfer case of modularization for monomotor special-purpose vehicle |
| CN114427208A (en) * | 2022-01-29 | 2022-05-03 | 中国重汽集团济南专用车有限公司 | Intelligent watering cart |
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| US4705450A (en) * | 1985-12-11 | 1987-11-10 | The Gradall Company | Single engine excavator with remote control |
| CN2637746Y (en) * | 2003-07-18 | 2004-09-01 | 东风汽车公司 | Fuel oil control mechanism for dual-fuel diesel engine |
| CN2841399Y (en) * | 2005-10-18 | 2006-11-29 | 赵宏坚 | Chassis speial for automobile |
| CN102212989A (en) * | 2010-04-02 | 2011-10-12 | 航天晨光股份有限公司 | Multifunctional operation vehicle capable of cleaning guardrails and sprinkling water on road surfaces |
| CN202441495U (en) * | 2012-02-13 | 2012-09-19 | 陕西德仕奥联汽车电子电器有限责任公司 | Key type remote accelerator control device for natural gas cement mixer |
| CN203093744U (en) * | 2013-01-16 | 2013-07-31 | 中国重汽集团湖北华威专用汽车有限公司 | Power takeoff device of special vehicle |
| CN103832274A (en) * | 2014-03-04 | 2014-06-04 | 中国重汽集团湖北华威专用汽车有限公司 | Special vehicle with auxiliary transmission of flywheel power takeoff strap |
| CN203727179U (en) * | 2014-03-04 | 2014-07-23 | 中国重汽集团湖北华威专用汽车有限公司 | Special truck for power takeoff auxiliary transmission of full-power takeoff |
| US8915327B2 (en) * | 2012-03-23 | 2014-12-23 | Alamo Group, Inc. | System and method for operating a large single engine sweeper |
| CN104648146A (en) * | 2013-11-20 | 2015-05-27 | 孙治本 | Mechanical-hydraulic interactive driving mechanism for sweeping machine |
| CN204870557U (en) * | 2015-08-03 | 2015-12-16 | 襄阳市志达腾骏车辆技术有限公司 | Special vehicle chassis |
-
2015
- 2015-08-03 CN CN201510478776.9A patent/CN105437960A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4705450A (en) * | 1985-12-11 | 1987-11-10 | The Gradall Company | Single engine excavator with remote control |
| CN2637746Y (en) * | 2003-07-18 | 2004-09-01 | 东风汽车公司 | Fuel oil control mechanism for dual-fuel diesel engine |
| CN2841399Y (en) * | 2005-10-18 | 2006-11-29 | 赵宏坚 | Chassis speial for automobile |
| CN102212989A (en) * | 2010-04-02 | 2011-10-12 | 航天晨光股份有限公司 | Multifunctional operation vehicle capable of cleaning guardrails and sprinkling water on road surfaces |
| CN202441495U (en) * | 2012-02-13 | 2012-09-19 | 陕西德仕奥联汽车电子电器有限责任公司 | Key type remote accelerator control device for natural gas cement mixer |
| US8915327B2 (en) * | 2012-03-23 | 2014-12-23 | Alamo Group, Inc. | System and method for operating a large single engine sweeper |
| CN203093744U (en) * | 2013-01-16 | 2013-07-31 | 中国重汽集团湖北华威专用汽车有限公司 | Power takeoff device of special vehicle |
| CN104648146A (en) * | 2013-11-20 | 2015-05-27 | 孙治本 | Mechanical-hydraulic interactive driving mechanism for sweeping machine |
| CN103832274A (en) * | 2014-03-04 | 2014-06-04 | 中国重汽集团湖北华威专用汽车有限公司 | Special vehicle with auxiliary transmission of flywheel power takeoff strap |
| CN203727179U (en) * | 2014-03-04 | 2014-07-23 | 中国重汽集团湖北华威专用汽车有限公司 | Special truck for power takeoff auxiliary transmission of full-power takeoff |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627130A (en) * | 2017-03-02 | 2017-05-10 | 北京水洁技术有限公司 | Vehicle chassis special for stable electric generation and speed change walking |
| CN107914775A (en) * | 2017-12-27 | 2018-04-17 | 中国重汽集团济南动力有限公司 | A kind of double power Special vehicle chassis and control method |
| CN107914775B (en) * | 2017-12-27 | 2024-01-23 | 中国重汽集团济南动力有限公司 | Chassis of dual-power special vehicle and control method |
| CN110103706A (en) * | 2018-02-01 | 2019-08-09 | 西安博贤机电设备有限公司 | A kind of energy saving and environment friendly power taking transfer case of modularization for monomotor special-purpose vehicle |
| CN114427208A (en) * | 2022-01-29 | 2022-05-03 | 中国重汽集团济南专用车有限公司 | Intelligent watering cart |
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Application publication date: 20160330 |