WO2013078818A1 - Camion d'ingénierie et système d'entraînement associé - Google Patents

Camion d'ingénierie et système d'entraînement associé Download PDF

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Publication number
WO2013078818A1
WO2013078818A1 PCT/CN2012/074248 CN2012074248W WO2013078818A1 WO 2013078818 A1 WO2013078818 A1 WO 2013078818A1 CN 2012074248 W CN2012074248 W CN 2012074248W WO 2013078818 A1 WO2013078818 A1 WO 2013078818A1
Authority
WO
WIPO (PCT)
Prior art keywords
engine
hydraulic
axle
vehicle
drive system
Prior art date
Application number
PCT/CN2012/074248
Other languages
English (en)
Chinese (zh)
Inventor
李涛
牛从民
王涛
Original Assignee
湖南三一智能控制设备有限公司
三一汽车起重机械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 湖南三一智能控制设备有限公司, 三一汽车起重机械有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2013078818A1 publication Critical patent/WO2013078818A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/08—Arrangement or mounting of internal-combustion or jet-propulsion units comprising more than one engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0015—Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/416—Cranes

Definitions

  • the invention relates to the technical field of engineering machinery, in particular to an engineering vehicle and a driving system thereof.
  • the getting off engine on the engineering vehicle provides power for the axle through the gearbox, the transmission shaft, etc., but for the engineering vehicle with more axles or larger p-positions, for example, for large tonnage wheeled cranes. Because of the large total wheelbase, it is difficult to meet the need to transmit power to a farther axle due to the common drive shaft mode or certain components on the power transmission chain, thus affecting the overall vehicle drive performance.
  • the present invention is directed to an engineering vehicle and a drive system thereof, to solve the existing aspect, the present invention provides a drive system for a construction vehicle, the drive system including the engineering vehicle.
  • Multi-level axles also include:
  • a hydraulic motor coupled to the wheel drive of at least one of the axles
  • the hydraulic pump that supplies oil to the hydraulic motor, the hydraulic pump taking a force from the upper engine.
  • the upper engine is provided with a power take-off port, and the hydraulic pump takes a force from the power take-off port through the power take-off.
  • the drive system further includes a hydraulic oil tank and a directional control valve
  • the oil outlet of the hydraulic pump and the hydraulic oil tank are connected to the inlet and outlet ports of the hydraulic motor through the directional control valve.
  • the directional control valve is a two-position four-way solenoid valve.
  • the driving system further includes:
  • a lowering engine provided on the engineering vehicle
  • a gearbox that is drivingly coupled to an output of the vehicle that is disengaged
  • the present invention provides a driving system for another engineering vehicle, the driving system comprising a multi-level axle and a disengaged engine disposed on the engineering vehicle, and a gearbox connected to the driving engine of the vehicle.
  • a transfer case coupled to at least one stage axle drive and a drive shaft coupled between the gearbox and the transfer case, further comprising:
  • a hydraulic motor coupled to the wheel drive of at least another stage axle;
  • a hydraulic pump for supplying oil to the hydraulic motor, the hydraulic pump taking a force from the lower engine, the transmission, the transmission shaft or the transfer case.
  • the lower engine, the gearbox, the transmission shaft or the transfer case is provided with a force take-up port;
  • the hydraulic pump takes a force from the power take-off port through a power take-off.
  • the drive system further includes a hydraulic oil tank and a directional control valve
  • the oil outlet of the hydraulic pump and the hydraulic oil tank are connected to the inlet and outlet ports of the hydraulic motor through the directional control valve.
  • the present invention provides an engineering vehicle provided with the drive system of any of the above.
  • the engineering vehicle is specifically a wheeled crane.
  • a driving system for a construction vehicle and an engineering vehicle having the same Driving the wheels of some axles, so that the driving force of the conventional drive of the getting off engine is insufficient or the power transmission capability is poor, the auxiliary driving force is provided for the whole vehicle to improve the driving performance of the whole vehicle, so as to meet the road condition of the engineering vehicle.
  • the power requirement of the bad or climbing slope not only improves the power of the getting off engine but also improves the passing ability of the engineering vehicle; in addition, since the wheel is driven directly by the motor, the corresponding axle is compressed. Structure.
  • FIG. 1 is a schematic structural view of an engineering vehicle having an upper engine and a lower engine
  • FIG. 2 is a schematic diagram showing the composition of a driving system applied to the engineering vehicle shown in FIG. 1 according to the first embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a driving system applied to the engineering vehicle shown in FIG. 1 according to a second embodiment of the present invention.
  • FIG. 1 is a schematic structural view of an engineering vehicle having an upper engine and a lower engine
  • FIG. 2 is a first embodiment of the present invention applied to the engineering shown in FIG. 1
  • FIG. 3 is a schematic structural diagram of a driving system applied to the engineering vehicle shown in FIG. 1 according to a second embodiment of the present invention. The embodiments of the present invention will be described in detail below with reference to FIGS. 1 to 3.
  • the engineering vehicle 1 QQ is provided with a lowering engine 1 and a loading engine 5, wherein the getting-off engine 1 is generally used to power the driving of the engineering vehicle 100, and the loading engine 5 is generally used for
  • the on-board equipment on the engineering vehicle 100 provides operating power.
  • the lower engine 1 is used to provide driving power for the vehicle chassis to meet the needs of the vehicle crane transition, and the upper engine 5 is used. It powers the lifting process of truck cranes.
  • the driving system of this embodiment includes a multi-stage axle provided on the chassis of the engineering vehicle 100, that is, the first axle 11, the second axle 12, the third axle 13 and the Nth vehicle.
  • the bridge 14 and the Mth axle 15 and the like also include the getting off engine 1, the gearbox 2, the drive shaft 3, the transfer case 4, and the boarding The engine 5, the power take-off 6, the hydraulic pump 7, the hydraulic oil tank 8, the directional control valve 9, the hydraulic motor 16, and the like, wherein the wheels 10 are provided on both sides of each axle.
  • the output end of the lower engine 1 is drivingly connected with the input end of the transmission 2, the output end of the transmission 2 is drivingly connected with one end of the transmission shaft 3, and the other end of the transmission shaft 3 is drivingly connected with the input end of the transfer case 4,
  • the output of the movable box 4 is powered by a transmission for a part of the axle, and the transfer case 4 is shown in Fig. 1 through the drive shaft and the first axle 1 1 , the second axle 12 and the third axle 13
  • the third axle 13 can be drivingly coupled to the Nth axle 14 via the drive shaft 17 to further power the Nth axle 16 .
  • the upper engine 5 is provided with a power take-off port, and the power take-off 6 is drivingly connected with the power take-off port, the output end of the power take-off 6 is drivingly connected to the hydraulic pump 7, and the hydraulic pump 7 is driven from the upper engine 5 by the power take-off 6
  • the power inlet of the hydraulic pump is connected to the hydraulic oil tank 8 through a hydraulic hose, and the oil outlet of the hydraulic pump 7 and the hydraulic oil tank 8 are respectively connected to the inlet and outlet ports of the hydraulic motor 16 through the hydraulic hose and the directional control valve 9;
  • the number of hydraulic motors 16 is two, and the output end thereof is drivingly connected with a part of the wheel 10 of the axle that is not driven by the transfer case 4, and the hydraulic motor 16 can be disposed at the inner side of the wheel 10, only shown in FIG.
  • the output of the hydraulic motor 16 is drivingly coupled to the wheels on either side of the Mth axle 14.
  • a clutch may be added between the hydraulic motor 7 and the wheel 10 of the Mth axle 15 as needed (not shown for selectively controlling the engagement or disengagement of the hydraulic motor 7 with the wheel 10) and / or a speed reducer (not shown for increasing the reduction ratio), the clutch and the installation of the reducer can be found in the related prior art.
  • the directional control valve 9 is a two-position four-way solenoid valve, that is, the directional control valve 9 has two working states. In the first working state, the oil outlet of the hydraulic pump 7 and the hydraulic motor 16 are advanced. The oil port is connected (through a hydraulic hose), the oil outlet of the hydraulic motor 16 is connected to the hydraulic oil tank 6 (through a hydraulic hose), and in the second working state, the oil outlet of the hydraulic pump 7 and the hydraulic motor 16 The oil outlets are all in communication with the hydraulic oil tank 8, and the hydraulic pump 7 does not supply oil to the hydraulic motor 16. It should be noted that the above embodiment may also use other forms of directional control valves as long as the hydraulic pump 7 can be supplied to the hydraulic motor 16 The commutation control can be.
  • the hydraulic system constituted by the hydraulic pump 7, the hydraulic motor 16, the directional control valve 9, and the hydraulic oil tank 8 is an open hydraulic system, and in other cases, a closed hydraulic system may be used as needed.
  • a closed hydraulic system can be found in the related prior art.
  • the working principle of the driving system of the above embodiment is as follows:
  • the hydraulic pump 7 is not made to the hydraulic motor 16 by controlling the directional control valve 9 or controlling the clutch provided between the hydraulic motor 16 and the wheel 10.
  • the oil supply or the output end of the hydraulic motor 16 is separated from the wheel 10.
  • the wheel 10 of the Mth axle 15 does not have the driving capability, and the power provided by the lower engine 1 by the conventional transmission mode is sufficient to satisfy the normal running of the engineering vehicle 100.
  • the wheels of the Mth axle 15 are provided with driving capability, in order to achieve better driving performance, It is also possible to carry out the following steps before the wheel of the Mth axle 15 has a driving force as needed (for example, by a combination of hardware and software): 1) reading the rotational speed, torque of the engine 1 and the gear position of the transmission 2 And calculating the average torque of the current axle; 2) adjusting the displacement of the hydraulic pump 7, the displacement of the hydraulic motor 16, the output speed of the upper engine 5 or the power take-off 6 according to the average torque, and the hydraulically driven wheel 1
  • the parameters such as the speed and torque of 0 are compatible with the wheels of other axles.
  • the hydraulic pump 7 obtains power from the power take-off port of the upper engine 5 through the power take-off 6, but in other embodiments, the power take-off 6 can also be shifted from the lower engine 1
  • the other position of the box 2, the drive shaft 3 or the power take-off box on the transfer case 4 is taken, for example: the second embodiment of the present invention as shown in FIG. 3, the second embodiment includes the first embodiment Getting off engine 1, gearbox 2, drive shaft 3, transfer case 4, hydraulic motor 16, power take-off 6, hydraulic pump 7, hydraulic tank 8, directional control valve 9, first axle 11, second axle 12.
  • the third axle 1 3, the Nth axle 14 and the Mth axle 15 are different, and the difference is that the power take-off 7 takes power from the power take-off port on the lower engine 1 and gets off the engine.
  • the direct drive of the wheel 10 of the Mth axle 15 can also be achieved by the power take-off 6 and the corresponding hydraulic system.
  • the hydraulic motor 16 directly drives the wheel 10 connected to the Mth axle 15, but in other embodiments, the hydraulic motor 16 may be drivingly coupled to the Mth axle 15, and further In order to have a certain reduction ratio, a corresponding speed reducer can be added between the hydraulic motor 16 and the Mth axle 15 as needed.
  • the power source of the hydraulic system is derived from the upper engine 5, but in other embodiments, an independent engine may be disposed on the engineering vehicle 100 as needed, and the independent engine is dedicated to The hydraulic system provides power. In this solution, the output of the independent engine drives the hydraulic pump to rotate. The hydraulic pump does not need to be powered by the power take-off.
  • the driving system of the engineering vehicle directly drives the wheels of some axles by fully utilizing the power of the engine of the boarding or disengaging engine and the corresponding hydraulic system, so that the driving of the conventional transmission of the engine of the vehicle is driven.
  • the auxiliary driving force is provided for the whole vehicle to improve the driving performance of the whole vehicle, thereby meeting the power demand of the engineering vehicle in the bad road condition or climbing the slope, which is improved compared with the prior art.
  • the power of the getting off engine also improves the passing ability of the engineering vehicle; in addition, since the wheel is driven directly by the motor, the structure of the corresponding axle is cylindrical.
  • the embodiment of the present invention further provides a construction machine, such as a wheeled crane or a pump truck, having a multi-bridge chassis, and the engineering vehicle is provided with the drive system according to any one of the above, Technical effects, therefore, the engineering vehicle equipped with the drive system should also have corresponding technical effects, and the specific implementation process is similar to the above embodiment, and will not be described again.
  • a construction machine such as a wheeled crane or a pump truck, having a multi-bridge chassis

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

L'invention porte sur un camion d'ingénierie et sur un système d'entraînement associé. Le système d'entraînement comprend un essieu multi-étage, un moteur de camion inférieur (1), un moteur de camion supérieur (5), un moteur hydraulique (16) et une pompe hydraulique (7). L'essieu multi-étage, le moteur de camion inférieur (1) et le moteur de camion supérieur (5) sont agencés sur le camion d'ingénierie (100) ; le moteur hydraulique (16) est en liaison cinématique avec une roue (10) d'au moins un essieu d'étage (15) ; la pompe hydraulique (7) est utilisée pour fournir de l'huile pour le moteur hydraulique ; et la puissance de la pompe hydraulique est fournie par le moteur de camion supérieur ou par le moteur de camion inférieur. Dans le système d'entraînement, des roues de certains essieux sont directement entraînées en utilisant entièrement la puissance du moteur de camion supérieur, du moteur de camion inférieur et d'un système hydraulique correspondant, de sorte qu'une force d'entraînement auxiliaire est fournie pour l'ensemble du camion dans une circonstance dans laquelle la capacité d'entraînement de l'entraînement classique du moteur de camion inférieur est insuffisante ou que la capacité de transmission de puissance est médiocre, de manière à améliorer la performance d'entraînement de l'ensemble du camion, en satisfaisant de cette façon la requête d'énergie du camion d'ingénierie dans les circonstances de mauvaises conditions de route ou pendant la montée d'une côte ; en supplément, les roues sont directement entraînées par le moteur de sorte que les structures des essieux correspondants sont simplifiées.
PCT/CN2012/074248 2011-11-28 2012-04-18 Camion d'ingénierie et système d'entraînement associé WO2013078818A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011103835678A CN102431447A (zh) 2011-11-28 2011-11-28 一种工程车及其驱动系统
CN201110383567.8 2011-11-28

Publications (1)

Publication Number Publication Date
WO2013078818A1 true WO2013078818A1 (fr) 2013-06-06

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PCT/CN2012/074248 WO2013078818A1 (fr) 2011-11-28 2012-04-18 Camion d'ingénierie et système d'entraînement associé

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CN (1) CN102431447A (fr)
WO (1) WO2013078818A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015161614A1 (fr) * 2014-04-22 2015-10-29 徐州重型机械有限公司 Dispositif entraîné par la puissance d'un seul moteur, procédé et dispositif de grue

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31500E (en) * 1969-06-17 1984-01-17 The Warner & Swasey Company Material-handling vehicle
CN2141779Y (zh) * 1992-05-20 1993-09-08 阮厚成 无差速、无级变速的汽车驱动、传动装置
CN2437520Y (zh) * 2000-08-03 2001-07-04 河南石油勘探局南阳石油机械厂 一种汽车底盘
CN1721222A (zh) * 2004-08-06 2006-01-18 赵宏坚 专用汽车底盘

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2210117Y (zh) * 1994-12-09 1995-10-18 长沙交通学院 机电液复合驱动汽车列车
CN2565793Y (zh) * 2002-08-20 2003-08-13 鞍山海虹工程机械有限公司 全液压越野汽车起重机
US20050193733A1 (en) * 2003-11-20 2005-09-08 Donald Ochs Hydraulic powertrain systems for a vehicle including hydraulically and auxiliary powered air injection
CN101746262A (zh) * 2009-12-31 2010-06-23 群峰智能机械股份公司 道路清扫车的液压驱动装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31500E (en) * 1969-06-17 1984-01-17 The Warner & Swasey Company Material-handling vehicle
CN2141779Y (zh) * 1992-05-20 1993-09-08 阮厚成 无差速、无级变速的汽车驱动、传动装置
CN2437520Y (zh) * 2000-08-03 2001-07-04 河南石油勘探局南阳石油机械厂 一种汽车底盘
CN1721222A (zh) * 2004-08-06 2006-01-18 赵宏坚 专用汽车底盘

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