CN203780313U - Loading machine - Google Patents
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- CN203780313U CN203780313U CN201420051936.2U CN201420051936U CN203780313U CN 203780313 U CN203780313 U CN 203780313U CN 201420051936 U CN201420051936 U CN 201420051936U CN 203780313 U CN203780313 U CN 203780313U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The utility model discloses a loading machine, relates to the technical field of energy saving and is used for solving the problems that the structure form of a hydraulic torque converter, a gearbox and a transmission axle is adopted by an unloading transmission system of a loading machine in the prior art, the transmission efficiency is low, and the energy consumption is large. The loading machine comprises an unloading traveling device and an unloading regenerating device, wherein the unloading traveling device comprises an engine, a power pump, a pump motor, a power coupler, a first transmission mechanism, a second transmission mechanism and driving wheels; the engine is mechanically connected with the power pump; the unloading regenerating device comprises an energy accumulator and the pump motor, the pump motor comprises a power rotating shaft, a first oil port and a second oil port, and the pump motor is communicated with the energy accumulator; the power pump is communicated with the pump motor, and the pump motor is also communicated with an oil tank; the pump motor is mechanically connected with a first transmission shaft; a second transmission shaft is mechanically connected with the driving wheels, and the power rotating shaft of the pump motor can drive each driving wheel to rotate. According to the loading machine disclosed by the utility model, full-hydraulic driving can be realized.
Description
Technical field
The utility model relates to field of energy-saving technology, is specifically related to a kind of loader.
Background technology
Loader is a kind of construction machinery and equipment, is mainly used in loading operation and travels.Loader comprises operating system and the driving system of getting off.The driving system of getting off comprises driving engine, turbine transformer and change speed gear box.Operating system comprises above-mentioned driving engine, Hydraulic Pump and hydraulic ram.The energy of driving engine output, a part is passed to traveling mechanism via turbine transformer and change speed gear box, for driving travelling of whole loader; Another part, via hydraulic pump drive hydraulic ram, turns to and loading operation to realize.
In prior art, at least there is following problems: the version of get off transmission adopted turbine transformer, change speed gear box and the Transmission Bridge of existing loader, driving efficiency is low, and energy consumption is large.
Utility model content
One of them object of the present utility model is to propose a kind of loader, has solved the version of get off transmission adopted turbine transformer, change speed gear box and the Transmission Bridge of loader in prior art, and driving efficiency is low, the problem that energy consumption is large.
Many technique effects that the utility model optimal technical scheme can produce will describe in detail later.
For achieving the above object, the utility model provides following technical scheme:
The utility model provides a kind of loader, comprises get off mobile devices and the reclaiming scrap of getting off, wherein:
The described mobile devices of getting off comprise driving engine, kinetic pump, pump motor, power coupler, the first transmission device, the second transmission device and drive wheel; The power take-off shaft of described driving engine is connected with the power input shaft of described kinetic pump; The first transmission shaft of described power coupler is connected with the inside transmission device of the second driving shaft of described power coupler by described power coupler;
The described reclaiming scrap of getting off comprises energy storage and described pump motor, and described pump motor comprises power shaft, the first hydraulic fluid port and the second hydraulic fluid port, and the first hydraulic fluid port of described pump motor is connected with the hydraulic oil port of described energy storage;
The oil outlet of described kinetic pump is connected with the first hydraulic fluid port of described pump motor, and the second hydraulic fluid port of described pump motor is connected with fuel tank; The power shaft of described pump motor is connected with the first transmission shaft of described power coupler by described the first transmission device;
The second driving shaft of described power coupler is connected with described drive wheel by described the second transmission device, and the power shaft of described pump motor can drive described drive wheel to rotate by described the first transmission device, described the first transmission shaft, described inner transmission device, described second driving shaft and described the second transmission device successively;
The operating mode of described pump motor comprises motor operating mode and pump operating mode;
When described pump motor is during in motor operating mode, by first oil outlet from described kinetic pump of hydraulic fluid port input of described pump motor and/or the hydraulic oil of the hydraulic oil port of described energy storage, can drive the power shaft of described pump motor to rotate;
When described pump motor is during in pump operating mode, described drive wheel can by described the second transmission device, described second driving shaft, described inner transmission device, described the first transmission shaft and described the first transmission device, drive the power shaft of described pump motor to rotate successively and drive described pump motor by the hydraulic oil being sucked by described the second hydraulic fluid port the hydraulic oil port from described the first hydraulic fluid port to described energy storage input.
In preferred or optional embodiment, described loader also comprises apparatus for work, and described apparatus for work comprises multiway valve and at least one power element, wherein:
Described power element is hydraulic actuator, and described multiway valve is arranged on the oil circuit between the oil outlet of described kinetic pump and the hydraulic oil entrance of described power element and can controls the whether conducting of oil circuit between the oil outlet of described kinetic pump and the hydraulic oil entrance of arbitrary described power element.
In preferred or optional embodiment, described loader also comprises cooling mechanism;
Described cooling mechanism comprises fans drive motor, fan drive mechanism and fan;
The oil outlet of described kinetic pump is connected with the hydraulic oil entrance of described fans drive motor;
The power take-off shaft of described fans drive motor is connected with described fan by described fan drive mechanism, and the power take-off shaft of described fans drive motor can drive described fan running by described fan drive mechanism.
In preferred or optional embodiment, described loader also comprises lubricating pump and pioneer pump, and described lubricating pump is connected with described pioneer pump;
Described lubricating pump is all connected with described kinetic pump with described pioneer pump power input shaft separately, and described kinetic pump can drive described lubricating pump and described pioneer pump power input shaft separately to rotate;
The oil inlet of described lubricating pump is connected with the bottom device for recovering hydraulic oil of described power coupler, and the oil outlet of described lubricating pump is connected with the lubricating oil inlet of described power coupler;
The oil inlet of described pioneer pump is connected with fuel tank, and the oil outlet of described pioneer pump is connected with the pilot pressure oil-in of described pump motor and described multiway valve.
In preferred or optional embodiment, on oil circuit between the oil outlet of described lubricating pump and the lubricating oil inlet of described power coupler, be also provided with lubrication control valve, described lubrication control valve can be controlled the whether conducting of oil circuit between the oil outlet of described lubricating pump and the lubricating oil inlet of described power coupler.
In preferred or optional embodiment, the power take-off shaft of described driving engine is connected by first clutch with the power input shaft of described kinetic pump;
Described the first transmission device comprises second clutch, and one end of described second clutch is connected with the power shaft of described pump motor, and the other end of described second clutch is connected with the first transmission shaft of described power coupler.
In preferred or optional embodiment, the oil outlet of described kinetic pump is connected with the entrance of described multiway valve through the one or two direction valve, and the outlet of described multiway valve is connected with the hydraulic oil entrance of power element described in each;
The oil outlet of described kinetic pump is also connected with the first hydraulic fluid port of described pump motor and one of them hydraulic fluid port of the three or two direction valve through the two or two direction valve simultaneously;
The first hydraulic fluid port of described pump motor is also connected with one of them hydraulic fluid port of described the three or two direction valve, and wherein another hydraulic fluid port of described the three or two direction valve is connected with the hydraulic oil port of described energy storage.
In preferred or optional embodiment, the oil outlet passing ratio control cock of described kinetic pump is connected with the hydraulic oil entrance of described fans drive motor;
On oil circuit between described proportional control valve and the oil outlet of described kinetic pump, be also provided with the first safety valve.
In preferred or optional embodiment, on the oil circuit between described the three or two direction valve and the hydraulic oil port of described energy storage, be provided with the second safety valve.
In preferred or optional embodiment, on the oil circuit between the pilot pressure oil-in of the oil outlet of described pioneer pump and described multiway valve, be provided with proportional pressure control valve.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
In operation process, there is frequent start-stop and crank motion in loader.By technique scheme, can effectively reclaim the energy in loader start-stop process.When vehicle normality is travelled, pump motor is in motor operating mode: the mechanical energy of driving engine output, being passed to kinetic pump (being hereinafter described with main pump) locates, the running of drive main pump, the hydraulic oil of main pump running output is for driving pump motor, and pump motor drives power coupler as propulsion source, and then mechanical energy is passed to the second transmission device, finally drive corresponding drive wheel on vehicle, and then drive Vehicle Driving Cycle.When needs reclaim vehicle energy, pump motor is in pump operating mode: the hydraulic oil of pump motor output enters into energy storage, completes mechanical energy to hydraulic pressure transformation of energy.The hydraulic energy of storing in energy storage can be used under various working, and during such as vehicle initial start, the energy in energy storage discharges to drive the pump motor in motor operating mode, and now pump motor can individual drive or driven car load to travel together with driving engine.The energy of storing in energy storage can also be by corresponding hydraulic connecting pipeline is set, for the action of auxiliary each power element.Technique scheme, features in conjunction with loader, merge hydraulic hybrid technology, for loader, the novel full hydraulic loader based on Energy saving theory is proposed, realized the full hydraulic drive of loader, realized car load power match, whole system has the features such as high, the easy realization of reliability, cost be low.
The technical solution of the utility model has following technique effect:
1), adopt full hydraulic drive, electrodeless variable-speed, reduced the large deficiency of energy loss under turbine transformer, change speed gear box and Transmission Bridge form, adopt driving engine, power coupler and drive axle type of drive, drive system chain short and be easy to transformation, not only improve car load driving efficiency, also made machine system cost controlled;
2), cancelled hydraulic torque converter and change speed gear box, a whole set of driveline arrangement is compact, complete vehicle weight Optimal Distribution, system has higher anti-tilting moment;
3), improved the reliability of brake system, brake system adopts hydraulic braking, frequent start-stop in while loader operation process, and this cover system can be realized the recovery to car load braking energy simultaneously, recuperated energy can utilize in good time, and car load fuel economy is significantly improved.
Optimal technical scheme of the present utility model also has following technique effect: be equipped with unique independent cooling system, cooling fan rotation speed is controlled, has realized the supply as required of refrigerating capacity.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The hydraulic principle schematic diagram of the part-structure on the loader that Fig. 1 provides for the utility model embodiment;
Reference numeral: 1, front vehicle wheel; 2, drg; 3, fans drive motor; 4, fan drive mechanism; 5, proportional control valve; 6, the first safety valve; 7, main pump; 8, lubricating pump; 9, pioneer pump; 10, the one or two direction valve; 11, proportional pressure control valve; 12, master control multiway valve; 13, swing arm cylinder; 14, scraper bowl cylinder; 15, other Job execution element; 16, the two or two direction valve; 17, second clutch; 18, first clutch; 19, brak control unit; 20, lubrication control valve; 21, hydraulic regenerating controller; 22, power coupler; 23, pump motor; 24, the three or two direction valve; 25, energy storage; 26, the second safety valve; 27, main reduction gear; 28, rear drive sprocket; 29, driving engine.
The specific embodiment
Can understand the distinctive points between content of the present utility model and the utility model and prior art with reference to accompanying drawing Fig. 1 and word content below.Below, by accompanying drawing and the mode of enumerating optional embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Technical scheme the utility model being provided below in conjunction with Fig. 1 is carried out more detailed elaboration, and arbitrary technological means that the utility model is provided is replaced or any two or more technological means that the utility model is provided or technical characterictic combine mutually and the technical scheme that obtains all should be within protection domain of the present utility model.
The utility model embodiment provides a kind of loader, is particularly useful for middle large-tonnage loader.This loader comprises get off mobile devices and the reclaiming scrap of getting off.Wherein: the mobile devices of getting off comprise driving engine 29, kinetic pump (be preferably main pump 7 herein, be hereinafter also described with main pump 7), pump motor 23, power coupler 22, the first transmission device, the second transmission device and drive wheel.The power take-off shaft of driving engine 29 is connected with the power input shaft of main pump 7; The first transmission shaft of power coupler 22 is connected with the inside transmission device of the second driving shaft of power coupler 22 by power coupler 22.Inner transmission device is such as adopting gear mechanism etc.
The reclaiming scrap of getting off comprises energy storage 25 and pump motor 23, and pump motor 23 comprises power shaft, the first hydraulic fluid port and the second hydraulic fluid port, and the first hydraulic fluid port of pump motor 23 is connected with the hydraulic oil port of energy storage 25.The oil outlet of main pump 7 is connected with the first hydraulic fluid port of pump motor 23, and the second hydraulic fluid port of pump motor 23 is connected with fuel tank; The power shaft of pump motor 23 is connected with the first transmission shaft of power coupler 22 by the first transmission device.The second driving shaft of power coupler 22 is connected with drive wheel by the second transmission device, and the power shaft of pump motor 23 can pass through the first transmission device, the first transmission shaft, inner transmission device, second driving shaft and 28 rotations of the second transmission device driving rear drive sprocket successively.Loader has front vehicle wheel 1 and rear drive sprocket 28, and drive wheel herein refers to rear drive sprocket 28.
The operating mode of pump motor 23 comprises motor operating mode and pump operating mode.When pump motor 23 is during in motor operating mode, by the power shaft of first oil outlet from kinetic pump of hydraulic fluid port input of pump motor 23 and/or the hydraulic oil energy driving pump motor 23 of the hydraulic oil port of energy storage 25, rotated.From the hydraulic oil power shaft rotation of driving pump motor 23 simultaneously of the oil outlet of main pump 7 and the hydraulic oil port of energy storage 25, main pump 7 and energy storage 25 also can be selected one driving pump motor 23, specifically adopt which kind of mode to depend on the operating mode at vehicle place.
When pump motor 23 is during in pump operating mode, rear drive sprocket 28 can by the second transmission device, second driving shaft, inner transmission device, the first transmission shaft and the first transmission device, drive the power shaft of pump motor 23 to rotate successively and driving pump motor 23 by the hydraulic oil being sucked by the second hydraulic fluid port the hydraulic oil port from the first hydraulic fluid port to energy storage 25 input.
While adopting technique scheme, can retain driving engine 29 mechanical energy is passed to power coupler 22, and then through the second transmission device of power coupler 22, be passed to the mechanical transmission structure of drive wheel.Increase Liao Yi road propulsion source herein: the mechanical energy of driving engine 29 outputs drives rear drive sprocket 28 after being converted into hydraulic energy again.Pay close attention to hydraulically powered mode herein, also emphasis is described herein.
When vehicle normality is travelled, pump motor 23 is in motor operating mode: the mechanical energy of driving engine 29 outputs, be passed to main pump 7 places, drive main pump 7 runnings, the hydraulic oil of main pump 7 running outputs is for driving pump motor 23, and pump motor 23 drives power coupler 22 as propulsion source, and then mechanical energy is passed to the second transmission device, finally drive corresponding drive wheel on vehicle, rear drive sprocket 28, and then drive Vehicle Driving Cycle.
When needs reclaim vehicle energy, pump motor 23 is in pump operating mode: the hydraulic oil of pump motor 23 outputs enters into energy storage 25, completes mechanical energy to hydraulic pressure transformation of energy.
In energy storage 25, the hydraulic energy of storage can be used under various working, and during such as vehicle initial start, the energy in energy storage 25 can drive the pump motor 23 in motor operating mode, pump motor 23 can be independently or with drive car load to travel together with driving engine 29.In energy storage 25, the energy of storage can also be by corresponding hydraulic connecting pipeline is set, for the action of auxiliary each power element.
Herein, loader also comprises apparatus for work, and apparatus for work comprises multiway valve (being preferably master control multiway valve 12) and at least one power element.Wherein: power element is hydraulic actuator, master control multiway valve 12 is arranged on the oil circuit between the oil outlet of main pump 7 and the hydraulic oil entrance of power element and can controls the whether conducting of oil circuit between the oil outlet of main pump 7 and the hydraulic oil entrance of arbitrary power element.
In the present embodiment, power element be take three as example, is respectively: swing arm cylinder 13, scraper bowl cylinder 14 and other Job execution elements 15.The hydraulic energy of each power element also comes from main pump 7, controls the break-make of each power element place oil circuit herein by master control multiway valve 12.
Further, loader also comprises cooling mechanism; Cooling mechanism comprises fans drive motor 3, fan drive mechanism 4 and fan.The oil outlet of main pump 7 is connected with the hydraulic oil entrance of fans drive motor 3.The power take-off shaft of fans drive motor 3 is connected with fan by fan drive mechanism 4, and the power take-off shaft of fans drive motor 3 can turn round by fan drive mechanism 4 drive fan.
Apparatus for work and cooling mechanism be all to adopt hydraulic-driven, this has also realized the full hydraulic drive of critical component on whole loader.
Further, loader also comprises lubricating pump 8 and pioneer pump 9, and lubricating pump 8 is connected with pioneer pump 9.Lubricating pump 8 is all connected with main pump 7 with pioneer pump 9 power input shaft separately, and main pump 7 can drive lubricating pump 8 and pioneer pump 9 power input shaft separately to rotate.The oil inlet of lubricating pump 8 is connected with the bottom device for recovering hydraulic oil (being preferably oil pan tray) of power coupler 22, and the oil outlet of lubricating pump 8 is connected with the lubricating oil inlet of power coupler 22.The oil inlet of pioneer pump 9 is connected with fuel tank, and the oil outlet of pioneer pump 9 is connected with the pilot pressure oil-in of pump motor 23 and master control multiway valve 12.
The effect of lubricating pump 8 is to be power coupler 22, and exists the miscellaneous part of mechanical connection that lubricating oil is provided with power coupler 22.The fluid that lubricating pump 8 sucks comes from the fluid in power coupler 22, realizes lubricating power coupler 22.
For ease of controlling lubricated operation, on oil circuit between the lubricating oil inlet of the oil outlet of lubricating pump 8 and power coupler 22, be also provided with lubrication control valve 20, lubrication control valve 20 can be controlled the whether conducting of oil circuit between the oil outlet of lubricating pump 8 and the lubricating oil inlet of power coupler 22.
Referring to Fig. 1, the power take-off shaft of driving engine 29 is specifically connected by first clutch 18 with the power input shaft of main pump 7.The first transmission device comprises second clutch 17, and one end of second clutch 17 is connected with the power shaft of pump motor 23, and the other end of second clutch 17 is connected with the first transmission shaft of power coupler 22.Owing to having mechanical connection between power coupler 22 and second clutch 17, after lubricating pump 8 is set, during lubricated power coupler 22, also can lubricate second clutch 17.
Referring to Fig. 1, the oil outlet of kinetic pump is connected with the entrance of master control multiway valve 12 through the one or two direction valve 10, and the outlet of master control multiway valve 12 is connected with the hydraulic oil entrance of each power element.
Referring to Fig. 1, the hydraulic oil of the oil outlet of main pump 7 output has been divided into multichannel, and the first via flows to each power element, introduction as detailed above, and the second road flows to pump motor, and Third Road flows to cooling mechanism.About the second road binders road: the oil outlet of main pump 7 is also connected with the first hydraulic fluid port of pump motor 23 and one of them hydraulic fluid port of the three or two direction valve 24 through the two or two direction valve 16 simultaneously.The first hydraulic fluid port of pump motor 23 is also connected with one of them hydraulic fluid port of the three or two direction valve 24, and wherein another hydraulic fluid port of the three or two direction valve 24 is connected with the hydraulic oil port of energy storage 25.
When vehicle normality is travelled, the two or two direction valve 16 is in normally open, and the three or two direction valve 24 is in closed condition, and the mechanical energy of driving engine 29 outputs is converted into hydraulic energy at main pump 7 places, then enter into the pump motor 23 in motor operating mode, to drive normal vehicle operation.
When energy reclaims, the two or two direction valve 16 is in closed condition, and the three or two direction valve 24 is in open mode, and the pump motor 23 in pump operating mode is delivered to hydraulic oil in energy storage 25, to complete the collection of energy.
; the characteristic of utilizing pump motor 23 can be operated in pump operating mode or motor operating mode realizes recovery and the utilization of the rich power of car load; when car load road horsepower is rich; the two or two direction valve 16 is in opening; the three or two direction valve 24 is in good time in opening; now pump motor 23 is in pump operating mode; the hydraulic oil of carrying via the two or two direction valve 16 can enter into energy storage 25 via the three or two direction valve 24, rich power in car load driving process can be reclaimed on one's own initiative rapidly like this.
Above-mentioned each operating mode is just described part typical condition, and concrete function is realized by hydraulic regenerating controller 21, for other operating mode, does not repeat one by one herein.
Referring to Fig. 1, the Third Road oil circuit flowing out about main pump: the oil outlet passing ratio control cock 5 of main pump 7 is connected with the hydraulic oil entrance of fans drive motor 3; On oil circuit between proportional control valve 5 and the oil outlet of kinetic pump, be also provided with the first safety valve 6.
Referring to Fig. 1, on the oil circuit between the three or two direction valve 24 and the hydraulic oil port of energy storage 25, be provided with the second safety valve 26.
Each safety valve is for ensureing the safety of self place oil circuit.
Further, on the oil circuit between the oil outlet of pioneer pump 9 and the pilot pressure oil-in of master control multiway valve 12, be provided with proportional pressure control valve 11.Proportional pressure control valve 11 is also for ensureing the safety of self place oil circuit.
Referring to Fig. 1, the structure that technique scheme provides can be combined with function uniies such as brak control unit 19, hydraulic regenerating controllers 21, with automation realize corresponding function, below in conjunction with Fig. 1, introduce in detail.The loader that the utility model provides mainly comprises apparatus for work, cooling mechanism, the mobile devices of getting off, reclaiming scrap four parts of getting off:
About apparatus for work: the power take-off shaft of driving engine 29 is connected with the input end of first clutch 18, the mouth of first clutch 18 is connected with the power input shaft of main pump 7, the oil outlet of main pump 7 is connected with the entrance of master control multiway valve 12, master control multiway valve 12 is connected with the hydraulic oil entrance of swing arm cylinder 13, scraper bowl cylinder 14, other Job execution element 15, and each power element directly drives the corresponding apparatus for work of loader.
About cooling mechanism: the oil outlet of main pump 7 is connected with the input end of proportional control valve 5, the mouth of proportional control valve 5 is connected with the hydraulic oil entrance of fans drive motor 3, the power take-off shaft of fans drive motor 3 is connected with the input end of fan drive mechanism 4, the direct drive fan of fan drive mechanism 4.Hydraulic regenerating controller 21 monitoring system states, and by controlling the controlling quantity size of main pump 7, proportional control valve 5, control the hydraulic-oil quantity of fans drive motor 3, and then control the output of fan drive mechanism 4, control rotation speed of the fan, finally realize the control on demand to car load refrigerating capacity.
About the mobile devices of getting off: the power take-off shaft of driving engine 29 is connected with the input end of first clutch 18, the mouth of first clutch 18 is connected with the power input shaft of main pump 7, the oil outlet of main pump 7 is connected with the first hydraulic fluid port of pump motor 23 by the two or two direction valve 16, the power shaft of pump motor 23 is connected with the input end of second clutch 17, the mouth of second clutch 17 is connected with the input end of power coupler 22, the mouth of the second driving shaft of power coupler 22 is connected with the input end of main reduction gear 27, main reduction gear 27 connects rear drive sprocket 28, and then drive car load to travel.
About the reclaiming scrap of getting off: the first hydraulic fluid port of pump motor 23 is connected with the entrance of the three or two direction valve 24, the outlet of the three or two direction valve 24 is connected with the hydraulic oil port of energy storage 25, the power shaft of pump motor 23 is connected with the input end of second clutch 17, the mouth of second clutch 17 is connected with the input end of the first transmission shaft of power coupler 22, the mouth of the second driving shaft of power coupler 22 is connected with the input end of main reduction gear 27, and main reduction gear 27 connects rear drive sprocket 28.The reclaiming scrap of getting off can also comprise drg 2, brak control unit 19 and hydraulic regenerating controller 21, driving engine 29 is connected with hydraulic regenerating controller 21 by CAN bus, the entrance of brak control unit 19 is connected with the delivery port of drg 2, the delivery port of brak control unit 19 is connected with the input port of hydraulic regenerating controller 21, and the 10, the 22 direction valve of the delivery port of hydraulic regenerating controller 21 and the one or two direction valve the 16, the 32 direction valve 24, proportional control valve 5, lubrication control valve 20, proportional pressure control valve 11 are connected.
The reclaiming scrap of getting off can reclaim and utilize car load excess energy, and hydraulic regenerating controller 21, by CAN bus monitoring state of the system, is operated in pump operating mode or motor operating mode with control pump motor 23.
When the energy of getting off reclaims, pump motor 23 is operated in pump operating mode, and pump motor 23 is stored in car load braking kinetic energy in energy storage 25 by the three or two direction valve 24.Now, pump motor 23 independent brake or drg 2, pump motor 23 Associated brakes, complete mechanical energy to hydraulic pressure transformation of energy.
When the energy of getting off utilizes, when pump motor 23 is operated in motor operating mode, energy in energy storage 25 discharges by the three or two direction valve 24, driving pump motor 23, now, pump motor 23 individual drive or driving engine 29, pump motor 23 are combined driving, realize car load and drive, and complete pressure energy to mechanical transformation of energy.
Lubricating pump 8 is twin pump with pioneer pump 9, and lubricating pump 8 is all connected with the complementary pump flange communication port of main pump 7 with the power input shaft of pioneer pump 9.Lubricating pump 8 realizations are lubricated to power coupler 22, and the lubricating oil inlet of power coupler 22 is connected with the delivery port of lubrication control valve 20, and the entrance of lubrication control valve 20 is connected with the oil outlet of lubricating pump 8.
Pioneer pump 9 provides required pilot pressure oil for pump motor 23, master control multiway valve 12: the oil outlet of pioneer pump 9 fluid one tunnel be out connected with the entrance of proportional pressure control valve 11 (proportional pressure control valve 11 control pilot pressures), another road binders road of pioneer pump 9 is connected with the pilot pressure oil-in of master control multiway valve 12 simultaneously, the another road binders road of pioneer pump 9 is controlled mouth with the pivot angle cylinder of pump motor 23 and is connected, and realizes the control to pump motor 23 discharge capacities.The second safety valve 26 is restriction regeneration system top pressure effectively.
Technique scheme, carries out system reform upgrading for middle large-tonnage loader, realizes complete machine power optimized coupling, realizes and reduces energy consumption, elevator system dynamic characteristic, raising machine system reliability.
Whole system possesses following technique effect:
1), there is the full hydraulic drive arrangement of energy-saving effect, Full Vehicle System characteristics of compact layout, has improved car load driving efficiency, machine system cost is controlled.
2), for the features of loader, put forward corresponding energy and recycle scheme, promoted car load fuel economy.
3), reasonable adjustment System loop, construct independently heat radiation cooling system, cooling fan is controlled, has realized the reasonable distribution of heat radiation power.
4), adopt bus control technology in system schema, car load is safe and reliable, easily realizes.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value with casehistory the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the words such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use foundry technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent component parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a loader, is characterized in that, comprises get off mobile devices and the reclaiming scrap of getting off, wherein:
The described mobile devices of getting off comprise driving engine, kinetic pump, pump motor, power coupler, the first transmission device, the second transmission device and drive wheel; The power take-off shaft of described driving engine is connected with the power input shaft of described kinetic pump; The first transmission shaft of described power coupler is connected with the inside transmission device of the second driving shaft of described power coupler by described power coupler;
The described reclaiming scrap of getting off comprises energy storage and described pump motor, and described pump motor comprises power shaft, the first hydraulic fluid port and the second hydraulic fluid port, and the first hydraulic fluid port of described pump motor is connected with the hydraulic oil port of described energy storage;
The oil outlet of described kinetic pump is connected with the first hydraulic fluid port of described pump motor, and the second hydraulic fluid port of described pump motor is connected with fuel tank; The power shaft of described pump motor is connected with the first transmission shaft of described power coupler by described the first transmission device;
The second driving shaft of described power coupler is connected with described drive wheel by described the second transmission device, and the power shaft of described pump motor can drive described drive wheel to rotate by described the first transmission device, described the first transmission shaft, described inner transmission device, described second driving shaft and described the second transmission device successively;
The operating mode of described pump motor comprises motor operating mode and pump operating mode;
When described pump motor is during in motor operating mode, by first oil outlet from described kinetic pump of hydraulic fluid port input of described pump motor and/or the hydraulic oil of the hydraulic oil port of described energy storage, can drive the power shaft of described pump motor to rotate;
When described pump motor is during in pump operating mode, described drive wheel can by described the second transmission device, described second driving shaft, described inner transmission device, described the first transmission shaft and described the first transmission device, drive the power shaft of described pump motor to rotate successively and drive described pump motor by the hydraulic oil being sucked by described the second hydraulic fluid port the hydraulic oil port from described the first hydraulic fluid port to described energy storage input.
2. loader according to claim 1, is characterized in that, described loader also comprises apparatus for work, and described apparatus for work comprises multiway valve and at least one power element, wherein:
Described power element is hydraulic actuator, and described multiway valve is arranged on the oil circuit between the oil outlet of described kinetic pump and the hydraulic oil entrance of described power element and can controls the whether conducting of oil circuit between the oil outlet of described kinetic pump and the hydraulic oil entrance of arbitrary described power element.
3. loader according to claim 2, is characterized in that, described loader also comprises cooling mechanism;
Described cooling mechanism comprises fans drive motor, fan drive mechanism and fan;
The oil outlet of described kinetic pump is connected with the hydraulic oil entrance of described fans drive motor;
The power take-off shaft of described fans drive motor is connected with described fan by described fan drive mechanism, and the power take-off shaft of described fans drive motor can drive described fan running by described fan drive mechanism.
4. loader according to claim 3, is characterized in that, described loader also comprises lubricating pump and pioneer pump, and described lubricating pump is connected with described pioneer pump;
Described lubricating pump is all connected with described kinetic pump with described pioneer pump power input shaft separately, and described kinetic pump can drive described lubricating pump and described pioneer pump power input shaft separately to rotate;
The oil inlet of described lubricating pump is connected with the bottom device for recovering hydraulic oil of described power coupler, and the oil outlet of described lubricating pump is connected with the lubricating oil inlet of described power coupler;
The oil inlet of described pioneer pump is connected with fuel tank, and the oil outlet of described pioneer pump is connected with the pilot pressure oil-in of described pump motor and described multiway valve.
5. loader according to claim 4, it is characterized in that, on oil circuit between the oil outlet of described lubricating pump and the lubricating oil inlet of described power coupler, be also provided with lubrication control valve, described lubrication control valve can be controlled the whether conducting of oil circuit between the oil outlet of described lubricating pump and the lubricating oil inlet of described power coupler.
6. loader according to claim 5, is characterized in that, the power take-off shaft of described driving engine is connected by first clutch with the power input shaft of described kinetic pump;
Described the first transmission device comprises second clutch, and one end of described second clutch is connected with the power shaft of described pump motor, and the other end of described second clutch is connected with the first transmission shaft of described power coupler.
7. loader according to claim 6, is characterized in that, the oil outlet of described kinetic pump is connected with the entrance of described multiway valve through the one or two direction valve, and the outlet of described multiway valve is connected with the hydraulic oil entrance of power element described in each;
The oil outlet of described kinetic pump is also connected with the first hydraulic fluid port of described pump motor and one of them hydraulic fluid port of the three or two direction valve through the two or two direction valve simultaneously;
The first hydraulic fluid port of described pump motor is also connected with one of them hydraulic fluid port of described the three or two direction valve, and wherein another hydraulic fluid port of described the three or two direction valve is connected with the hydraulic oil port of described energy storage.
8. loader according to claim 7, is characterized in that, the oil outlet passing ratio control cock of described kinetic pump is connected with the hydraulic oil entrance of described fans drive motor;
On oil circuit between described proportional control valve and the oil outlet of described kinetic pump, be also provided with the first safety valve.
9. loader according to claim 7, is characterized in that, on the oil circuit between described the three or two direction valve and the hydraulic oil port of described energy storage, is provided with the second safety valve.
10. according to the arbitrary described loader of claim 4-7, it is characterized in that, on the oil circuit between the pilot pressure oil-in of the oil outlet of described pioneer pump and described multiway valve, be provided with proportional pressure control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051936.2U CN203780313U (en) | 2014-01-27 | 2014-01-27 | Loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051936.2U CN203780313U (en) | 2014-01-27 | 2014-01-27 | Loading machine |
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| Publication Number | Publication Date |
|---|---|
| CN203780313U true CN203780313U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051936.2U Expired - Fee Related CN203780313U (en) | 2014-01-27 | 2014-01-27 | Loading machine |
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| Country | Link |
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| CN (1) | CN203780313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394709A (en) * | 2016-11-22 | 2017-02-15 | 中国重汽集团泰安五岳专用汽车有限公司 | Chassis device based on loads and traction |
| CN107345411A (en) * | 2017-08-03 | 2017-11-14 | 三重机有限公司 | Boom cylinder energy conserving system and its control method, excavator |
-
2014
- 2014-01-27 CN CN201420051936.2U patent/CN203780313U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394709A (en) * | 2016-11-22 | 2017-02-15 | 中国重汽集团泰安五岳专用汽车有限公司 | Chassis device based on loads and traction |
| CN107345411A (en) * | 2017-08-03 | 2017-11-14 | 三重机有限公司 | Boom cylinder energy conserving system and its control method, excavator |
| CN107345411B (en) * | 2017-08-03 | 2019-11-22 | 三一重机有限公司 | Boom cylinder energy conserving system and its control method, excavator |
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