CN203924155U - High-efficient energy-saving environment friendly oil-liquid hybrid electric excavator - Google Patents
High-efficient energy-saving environment friendly oil-liquid hybrid electric excavator Download PDFInfo
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- CN203924155U CN203924155U CN201420300943.1U CN201420300943U CN203924155U CN 203924155 U CN203924155 U CN 203924155U CN 201420300943 U CN201420300943 U CN 201420300943U CN 203924155 U CN203924155 U CN 203924155U
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- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims description 35
- 230000001050 lubricating effect Effects 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000014509 gene expression Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 63
- 239000010720 hydraulic oil Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 11
- 230000009471 action Effects 0.000 description 7
- 238000004134 energy conservation Methods 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a kind of high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, comprise vehicle frame, rotating disk, scraper bowl, scraper bowl bearing pin bindiny mechanism, swing arm, swing arm equipment, accumulator fills energy device, fueller, rotary motive power assembly, described upper vehicle frame is arranged on rotating disk, rotating disk connects rotary motive power assembly, described scraper bowl is assemblied on dipper by scraper bowl bearing pin bindiny mechanism, swing arm is hinged by scraper bowl bearing pin bindiny mechanism and dipper on the one hand, be connected with upper vehicle frame by upper vehicle frame bearing pin on the other hand, described swing arm equipment is three oil cylinder swing arm equipments, described fueller is three pump formula fuellers, hinged three oil cylinder swing arm equipments between described swing arm and upper vehicle frame, described accumulator fills energy device, three pump formula fuellers, rotary motive power assembly is installed on respectively on vehicle frame, wherein accumulator fills energy device, three pump formula fuellers are all connected with three oil cylinder swing arm equipments.
Description
Technical field
The utility model relates to excavator, specifically a kind of high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator.
Background technology
Be accompanied by the development of national economy, excavator becomes indispensable machinery in infrastructure, use amount constantly increases, the energy consumption of engineering machinery and discharge also will become the emphasis of national later regulation, each engineering machinery producer is exploring a kind of efficient always, energy-conservation, the energy-conservation excavator of environmental protection.Excavator in domestic market generally all reaches excavator coordination and mildness by back pressure, but its counter productive of bringing is also very large, and the one, the generation of back pressure has consumed energy greatly, has produced waste; The 2nd, make hydraulic system hydraulic fluid temperature increase and cause the bad phenomenon such as a series of inefficiency.Most mining mechanical shovel bucket is all the shape that is similar to " horn mouth ", and the scraper bowl of this structure suffered resistance in digging machine process is larger, all has a certain impact for scraper bowl application life, excavator operating efficiency and cutting force; The movable arm potential energy of excavator in the time declining is very large, this part energy has lost and completely because needs are controlled its coordination and need to be increased back pressure, consume the power of main pump, if the utilization of two parts energy and saving are added together, can greatly reduce the use cost of oil plant, also can improve its operating efficiency simultaneously.Particularly excavator sector is energy-saving and cost-reducing, safety and environmental protection requirement is more and more higher for engineering machinery at present, and the task of top priority is a kind of high-efficient energy-saving environment friendly fluid mixing excavator of invention, to meet to greatest extent market in urgent need.
Summary of the invention
The purpose of this utility model is to provide a kind of high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, and energy-saving effect is very obvious, and operating efficiency also significantly improves.
The purpose of this utility model can realize by following technical solution:
This high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator comprises vehicle frame, rotating disk, scraper bowl, scraper bowl bearing pin bindiny mechanism, swing arm, swing arm equipment, accumulator fills energy device, fueller, rotary motive power assembly, described upper vehicle frame is arranged on rotating disk, rotating disk connects rotary motive power assembly, described scraper bowl is assemblied on dipper by scraper bowl bearing pin bindiny mechanism, swing arm is hinged by scraper bowl bearing pin bindiny mechanism and dipper on the one hand, be connected with upper vehicle frame by upper vehicle frame bearing pin on the other hand, described swing arm equipment is three oil cylinder swing arm equipments, described fueller is three pump formula fuellers, hinged three oil cylinder swing arm equipments between described swing arm and upper vehicle frame, described accumulator fills energy device, three pump formula fuellers, rotary motive power assembly is installed on respectively on vehicle frame, wherein accumulator fills energy device, three pump formula fuellers are all connected with three oil cylinder swing arm equipments.
The purpose of this utility model also can realize by following technical solution:
Further, scraper bowl described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, comprise base plate and be arranged on the side plate of base plate both sides, the front end of described base plate is along picking out a guide plate, described side plate is simultaneously perpendicular to base plate and guide plate, the side plate of both sides is parallel to each other, the width of described guide plate and base plate equates, the quarrel position that described side plate end face middle part forms is circular arc, described base plate rear side connects the otic placode with bearing pin, on otic placode, offer two centre bores, the distance of two centre bores is 564 ± 5mm.
Further, scraper bowl bearing pin bindiny mechanism described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, comprise bearing pin, described bearing pin has otic placode near the periphery cover at self both ends, described bearing pin both ends all arrange end cap, O RunddichtringO is set between described end cap and otic placode, described bearing pin two ends outer circumferential walls cover has otic placode lining, described otic placode is enclosed within on otic placode lining, on described end cap, offer the first lubricating cup radially, the first lubricating cup is communicated to the space forming between end cap and pin roll end face, described otic placode inner side and bearing pin outside cover have front support, described bearing pin outside and be provided with front support lining near otic placode lining position, inner side, described front support two ends is enclosed within on front support lining, described front support is offered the second lubricating cup radially, the second lubricating cup is communicated to the space forming between front support and bearing pin, between described otic placode lining and front support lining, oil sealing is set.
Further, swing arm described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, comprise swing arm body, the cross section of described swing arm body is square shape, is welded to each other and is formed by the side plate of base plate and top board and the left and right sides, is also provided with reinforcement side plate between described base plate and top board, described reinforcement side plate at least arranges one, described reinforcement side plate is arranged between the plate of the left and right sides, and strengthens upper end and top board welding, lower end and the base plate welding of side plate.
Further, described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator three oil cylinder swing arm equipments comprise by swing arm bearing pin be hinged on the swing arm on upper vehicle frame and be connected to swing arm and upper vehicle frame between the power set that can make the rotary rise and fall of swing arm, these power set comprise boom cylinder, boom cylinder is connected with the main valve of excavator, described power set also comprise two swing arm energy storage oil cylinders, described boom cylinder upper end is hinged on the horizontal boom cylinder bearing pin of swing arm, lower end is hinged on the horizontal upper vehicle frame bearing pin of vehicle frame, described two swing arm energy storage oil cylinder symmetrical expressions are positioned at boom cylinder both sides, same upper end is hinged on boom cylinder bearing pin, lower end is hinged on vehicle frame bearing pin, described boom cylinder is for just putting mounting means, be cylinder body under, piston rod is upper, described swing arm energy storage oil cylinder is for being inverted mounting means, be that cylinder body is upper, piston rod under, described swing arm energy storage oil cylinder comprises the cylinder body and the piston rod that are connected, piston rod front end is connected with the piston in cylinder body, in cylinder body, be divided into large chamber and loculus by piston, described large chamber is connected to accumulator by pipeline, loculus is connected with the main valve of excavator, described boom cylinder upper end is positioned at swing arm inside, described swing arm energy storage oil cylinder upper end is positioned at swing arm outside.
Further, described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, accumulator fills and can comprise accumulator, main pump by device, described accumulator is connected with main pump by main valve, Bonding pressure stop valve between described accumulator and main valve, also comprise pilot handle, described pilot handle is connected with pressure shut-off valve, main valve, main pump respectively, between described accumulator and pressure shut-off valve, assembles one way valve.
Further, described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, three pump formula fuellers comprise double-pump type axial plunger pump, also comprise gear pump, described gear pump is by hydraulic pump PTO device and double-pump type axial plunger pump is engagement type links together, and the gear pump power output gear in described hydraulic pump PTO device is meshed with the double-pump type axial plunger pump power gear in double-pump type axial plunger pump; The gear pump splined shaft of described gear pump is meshed with the gear pump power output gear in hydraulic pump PTO device, described hydraulic pump PTO device is fixed on double-pump type axial plunger pump by PTO device hold-down screw, and gear pump is fixed on hydraulic pump PTO device by gear pump hold-down screw.
Further, described in this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, rotary motive power assembly is mainly by output shaft, secondary solar gear, secondary planet wheel, one-level sun gear, one-level planetary gear composition, described secondary solar gear and one-level sun gear are connected to the axle head of output shaft in turn, described secondary planet wheel is engaged on secondary solar gear outside, one-level planetary gear is engaged on one-level sun gear outside, all engagement gear rings separately of described secondary planet wheel and one-level planetary gear outside, the number of teeth of the output gear of described output shaft becomes 11 teeth, the number of teeth of the gear of described secondary solar gear becomes 13 teeth, the number of teeth of the gear of described secondary planet wheel becomes 19 teeth, the number of teeth of the gear of described one-level sun gear becomes 13 teeth, the number of teeth of the gear of described one-level planetary gear becomes 19 teeth.
Compared to prior art, the utlity model has following beneficial effect:
Scraper bowl is by the wide design of base plate and side plate upper end deep-slotted chip breaker, and lengthen scraper bowl otic placode two pitch-rows from, reduced excavating resistance; The optimum design of structuresprogram of scraper bowl bearing pin bindiny mechanism, efficiently solves the wearing and tearing of scraper bowl bearing pin, has increased application life; Novel movable arm configuration intensity is significantly improved; Three oil cylinder swing arm equipments solve the stability of swing arm lifting, have improved the operating efficiency of swing arm lifting simultaneously; 4 groups of accumulators that use in parallel make excavator energy-saving effect remarkable; Three pump formula fuellers, owing to having increased gear pump PTO device and gear pump newly, effectively increase the flow of hydraulic oil, improve hydraulic pump works efficiency; Rotary motive power assembly is through the optimization to gearratio, and gearratio can increase by 25%, can effectively increase output torque, the operating efficiency while having improved actual job.
Ensureing, in the constant situation of bucket front-end width, to have increased bucket capacity.Reduce scraper bowl and operation soil contact long-pending simultaneously, reduce excavating resistance, exploit potentialities to obtain maximum.
In the time of control crank, by stretching of oil cylinder, traction scraper bowl rotates around bearing pin together with otic placode, inject lubricant grease by the first lubricating cup and the second lubricating cup lubricated, under good lubrication state, bearing pin is stressed in two otic placode linings and front support lining, friction is even, free to rotate, bearing pin uneven wear situation is stopped, and bearing pin wearing and tearing alleviate greatly.
Strengthen the structural strength of swing arm, avoided swing arm to fracture or the phenomenon of weld cracking.
On the basis of conventional hydraulic excavator two boom cylinders, a newly-increased boom cylinder, form by two swing arm energy storage oil cylinders, the three oil cylinder swing arm equipments that boom cylinder forms, the swing arm energy storage oil cylinder of both sides is carried out the function of lifting swing arm in the time that swing arm rises, in the time that swing arm declines, increase the function that stores movable arm potential energy energy to accumulator newly, middle boom cylinder is in the time that equipment is failure to actuate, play position-limiting action, in the time that swing arm rises, realize auxiliary function of lifting swing arm.
Can fill can reach setting pressure time and automatically cut off power source at accumulator, safe and efficient.Through excavator embarkation test, filling can be fully, rapidly and efficiently, easy to operate, and the energy storage pressure requirement that conforms with the regulations, can meet the energy requirement that swing arm rises completely, is the important guarantee means that realize energy-conservation excavator.
By increasing gear pump, effectively increase the flow of hydraulic oil, improve the operating efficiency of hydraulic pump, fill up hydraulic crawler excavator and do not existed three pumps to combine the blank of fuellers.
In the situation that not changing rotary motive power assembly integral structure, speed reducing ratio is adjusted to 25, increase the gearratio of rotary motive power assembly, increase power output torque value.
A kind of high-efficient energy-saving environment friendly fluid of the utility model mixing excavator, through its scraper bowl, scraper bowl bearing pin bindiny mechanism, swing arm, three oil cylinder swing arm equipments, accumulator being filled to the integrated application of the parts such as energy device, three pump formula fuellers, rotary motive power assembly at hydraulic crawler excavator, and test through complete machine embarkation, after tested, synthesis energy saving can reach more than 50%, operating efficiency improves more than 50%, has brought remarkable result.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator;
Fig. 2 is the structure chart of power shovel;
Fig. 3 is the structure chart of scraper bowl bearing pin bindiny mechanism;
Fig. 4 is the structure chart of swing arm;
Fig. 5 is the structure chart of three oil cylinder swing arm equipments;
Fig. 6 is the schematic diagram that hydraulic power accumulator fills energy device;
Fig. 7 is the schematic diagram of three pump type hydraulic excavator fuellers;
Fig. 8 is the schematic diagram of hydraulic excavating owner Qu Gaoxiao rotary motive power assembly.
In figure: 1, scraper bowl; 2, scraper bowl bearing pin bindiny mechanism; 3, swing arm; 4, three oil cylinder swing arm equipments; 5, accumulator fills energy device; 6, three pump formula fuellers; 7, rotary motive power assembly;
101, guide plate; 102, scraper bowl side plate; 103, scraper bowl base plate; 104, otic placode;
201, end cap; 203, otic placode lining; 204, front support lining; 205, front support; 206, the first lubricating cup; 207, bearing pin; 208, oil sealing; 209, O RunddichtringO, 210, the second lubricating cup;
Side plate 301, base plate 302, reinforcement side plate 303, top board 304;
401, swing arm body; 402, boom cylinder bearing pin; 403, swing arm energy storage oil cylinder; 404, boom cylinder; 405, upper vehicle frame bearing pin; 406, swing arm bearing pin; 407, upper vehicle frame;
Accumulator 501, pressure shut-off valve 502, main valve 503, pilot handle 504, main pump 505;
Double-pump type axial plunger pump 601, PTO device hold-down screw 602, double-pump type axial plunger pump power output gear 603, hydraulic pump PTO device 604, gear pump power output gear 605, gear pump splined shaft 606, gear pump hold-down screw 607, gear pump 608;
701, output shaft; 702, secondary solar gear; 703, secondary planet wheel; 704, one-level sun gear; 705, one-level planetary gear.
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
With reference to accompanying drawing 1-8, this high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator comprises vehicle frame, rotating disk, scraper bowl 1, scraper bowl bearing pin bindiny mechanism 2, swing arm 3, swing arm equipment, accumulator fills energy device 5, fueller, rotary motive power assembly 7, described upper vehicle frame is arranged on rotating disk, rotating disk connects rotary motive power assembly, described scraper bowl is assemblied on dipper by scraper bowl bearing pin bindiny mechanism, swing arm is hinged by scraper bowl bearing pin bindiny mechanism and dipper on the one hand, be connected with upper vehicle frame by upper vehicle frame bearing pin on the other hand, described swing arm equipment is three oil cylinder swing arm equipments 4, described fueller is three pump formula fuellers 6, hinged three oil cylinder swing arm equipments between described swing arm and upper vehicle frame, described accumulator fills energy device 5, three pump formula fuellers 6, rotary motive power assembly 7 is installed on respectively on vehicle frame, wherein accumulator fills energy device, three pump formula fuellers are all connected with three oil cylinder swing arm equipments.
Scraper bowl, comprises scraper bowl base plate 103 and is arranged on the scraper bowl side plate 102 of base plate both sides, and the front end of described scraper bowl base plate 103 is along picking out a guide plate 101, and described side plate, simultaneously perpendicular to base plate and guide plate, is parallel to each other the side plate of both sides.The width of described guide plate and base plate equates.The quarrel position that described side plate end face middle part forms is circular arc.Described base plate rear side connects the otic placode 104 with bearing pin, offers two centre bores on otic placode.The circular arc at the R place of scraper bowl side plate 102 is towards the opening direction of scraper bowl, and with vertical welding of plane of guide plate 101, scraper bowl base plate 103, then otic placode is welded on scraper bowl.The guide plate width of common power shovel is 1800mm, the wide 1500mm of base plate 3 rear end, existing guide plate 101 is unified for 1650mm, in the time that power shovel carries out the action of " receipts " and " exhibition " with the width of scraper bowl base plate 103, biside plate can not produce pressure drag with soil, makes to excavate more laborsaving.The quarrel position of scraper bowl side plate 102 was a line originally, the circular arc that is now 6000mm for radius, and when power shovel " receipts ", arc radius is basically identical therewith for the profiling track of scraper bowl, has reduced the resistance of soil to scraper bowl, makes to excavate more laborsaving.The distance of 4 two centre bores of otic placode was 510 ± 5mm originally, was now 564 ± 5mm, in the situation that hydraulic system provides moment of torsion constant, had increased the arm of force, made to excavate more laborsaving.Scraper bowl is ensureing, in the constant situation of bucket front-end width, to have increased bucket capacity.Reduce scraper bowl and operation soil contact long-pending simultaneously, reduce excavating resistance, exploit potentialities to obtain maximum.
Scraper bowl bearing pin bindiny mechanism, is mainly made up of end cap 201, otic placode lining 203, front support lining 204, front support 205, the first lubricating cup 206, bearing pin 207, oil sealing 208, O RunddichtringO 209, the second lubricating cup 210.2 front support linings 204 are assemblied in respectively front support 205 two ends, and the first lubricating cup 206 is installed in front support 205, form support set assembly; 2 otic placode linings 3 are assemblied in respectively on 2 otic placodes 104, form otic placode assembly; The second lubricating cup 210, O RunddichtringO 209 are installed on end cap 201, form end-cap assembly; Bearing pin 207 symmetries are assemblied in support set assembly two front support linings 204; Otic placode assembly is assemblied in the two ends of bearing pin 207 by otic placode lining 203; End-cap assembly is installed on the otic placode 104 of otic placode assembly.Bearing pin 207 of the present utility model by 201 and 2 O RunddichtringO 209 shutoff of 202 end caps in the cavity being formed by otic placode lining 203, front support lining 204, front support 205, can synchronously rotate, avoid the relative friction of bearing pin 207 with otic placode lining 203 and front support lining 204.In the time of control crank, by stretching of oil cylinder, traction scraper bowl rotates around bearing pin together with otic placode, inject lubricant grease by the first lubricating cup and the second lubricating cup lubricated, under good lubrication state, bearing pin is stressed in two otic placode linings and front support lining, friction is even, free to rotate, bearing pin uneven wear situation is stopped, and bearing pin wearing and tearing alleviate greatly.
Swing arm, comprises swing arm body 401, and the cross section of described swing arm body is square shape, is welded to each other and is formed by the side plate 301 of base plate 302 and top board 304 and the left and right sides, is also provided with reinforcement side plate between described base plate and top board.Described reinforcement side plate 303 at least arranges one.The present embodiment has adopted symmetrical two to strengthen side plate.Described reinforcement side plate is arranged between the plate of the left and right sides, and strengthens upper end and top board welding, lower end and the base plate welding of side plate.First strengthen side plate 303 by two and be installed between base plate 302, top board 304 and firm welding according to the dimensional requirement of drawing, then two side plates 301 are installed between base plate 302, top board 304 and firm welding according to the dimensional requirement of drawing.Strengthen the structural strength of swing arm, avoided swing arm to fracture or the phenomenon of weld cracking.
Hydraulic crawler excavator three oil cylinder swing arm equipments, comprise by swing arm bearing pin 406 be hinged on the swing arm body 401 on upper vehicle frame 407 and be connected to swing arm body and upper vehicle frame between the power set that can make the rotary rise and fall of swing arm, these power set comprise boom cylinder 404, the large chamber of boom cylinder is connected with main valve swing arm the United Nations General Assembly accent of excavator, loculus is connected with excavator main valve actuation arm connection loculus mouth, described power set also comprise two swing arm energy storage oil cylinders 403, described boom cylinder upper end is hinged on the horizontal boom cylinder bearing pin 402 of swing arm, lower end is hinged on the horizontal upper vehicle frame bearing pin 405 of vehicle frame, described two swing arm energy storage oil cylinder symmetrical expressions are positioned at boom cylinder both sides, same upper end is hinged on boom cylinder bearing pin, lower end is hinged on vehicle frame bearing pin.Described swing arm energy storage oil cylinder comprises the cylinder body and the piston rod that are connected, piston rod front end is connected with the piston in cylinder body, in cylinder body, be divided into large chamber and loculus by piston, the large chamber of described swing arm energy storage oil cylinder is connected to accumulator by pipeline, and loculus is connected with the swing arm connection loculus mouth of the main valve of excavator.Described swing arm energy storage oil cylinder upper end is positioned at swing arm inside, and described swing arm energy storage oil cylinder upper end is positioned at swing arm outside.Described boom cylinder is for just putting mounting means, cylinder body under, piston rod is upper, described swing arm energy storage oil cylinder is for being inverted mounting means, cylinder body is upper, piston rod under.In the time that excavator is worked, operating grip is pushed into swing arm lifting position, now the common excavator of oil pump consumption of engine power ratio is low by 2/3, the large chamber of boom cylinder 404 in the middle of hydraulic oil enters into through plunger displacement pump, main valve, fluid pressure line, the oil gas that has been forced into the accumulator under authorized pressure numerical value enters the large chamber of the swing arm energy storage oil cylinder 403 of both sides simultaneously, the piston rod of 404 and 2 swing arm energy storage oil cylinders 403 of pusher arm oil cylinder stretches out respectively, swing arm body 401 turns clockwise around swing arm bearing pin 406, and swing arm body 401 rises.When operating grip being pushed into swing arm down position, now hydraulic oil enters into the loculus of 2 swing arm energy storage oil cylinders 403 of middle boom cylinder 404 and both sides through plunger displacement pump, main valve, hydraulic oil promotes oil cylinder piston and retracts, swing arm body 401 is rotated counterclockwise around swing arm bearing pin 406, and swing arm body 401 declines.When swing arm declines, boom cylinder 404 hydraulic oil are back to fuel tank by main valve, and swing arm energy storage oil cylinder 403 large chamber hydraulic oil are directly back to accumulator by oil pipe, and energy storage completes.Circulation successively.The swing arm energy storage oil cylinder of both sides is carried out the function of lifting swing arm in the time that swing arm rises, in the time that swing arm declines, increase the function that stores movable arm potential energy energy to accumulator newly, middle boom cylinder is in the time that equipment is failure to actuate, play position-limiting action, in the time that swing arm rises, realize auxiliary function of lifting swing arm.By swing arm energy storage oil cylinder, for being inverted mounting means, line arrangement is more reasonable simultaneously to have obtained better lifting speed, lifting force.
Hydraulic power accumulator fills energy device, comprise accumulator 501, main pump 505, described accumulator is connected with hydraulic fluid port for subsequent use in main valve 503 by fluid pressure line, and main valve 503 oil-ins are connected with main pump oil-out simultaneously, Bonding pressure stop valve 502 between described accumulator and main valve.Also comprise pilot handle, described pilot handle 504 is connected with pressure shut-off valve, main valve guide's hydraulic fluid port for subsequent use respectively.Between described accumulator and pressure shut-off valve, assemble one way valve, shield.In the time that excavator is normally worked, when accumulator 501 energy are owing to rising or other consumption for swing arm, when its pressure requires lower than regulation, need fill can, now pilot handle 504 is pushed into and fills energy position, pilot signal is passed to main valve 503 guide's hydraulic fluid port for subsequent use, pressure shut-off valve 502 guide's hydraulic fluid ports, and main pump 505 is communicated with accumulator 501 hydraulic circuits by main valve 503 and fluid pressure line, main pump 505 is delivered to hydraulic oil in accumulator 501, and accumulator 501 starts to fill energy.When accumulator 501 pressure constantly increase, in the time finally reaching authorized pressure value, spool in pressure shut-off valve 502 is closed, now accumulator 501 cuts out with the hydraulic circuit that main valve 503 is connected, accumulator completes and fills energy, and now main pump 505 hydraulic oil flow back to fuel tank by pressure shut-off valve 502 another oil circuits.Now pilot handle 504 is resetted, when accumulator 501 fills can be complete.Circulation successively.The utility model hydraulic power accumulator fills energy device, in the time that accumulator 501 fills energy, when energy storage pressure reaches designing requirement, pressure shut-off valve 502 cuts off hydraulic circuit, accumulator 501 stops filling energy, and main pump 505 oil are by pressure shut-off valve 502 oil sump tanks.Through excavator embarkation test, filling can be fully, rapidly and efficiently, easy to operate, and the requirement that conforms with the regulations of accumulator 501 pressure, can meet the energy requirement that swing arm rises completely, is the important guarantee means that realize energy-conservation excavator.
Three pump type hydraulic excavator fuellers, are mainly made up of double-pump type axial plunger pump 601, gear pump 608, and described gear pump 608 links together by hydraulic pump PTO device 604 and double-pump type axial plunger pump 601.Wherein the gear pump power output gear 605 in hydraulic pump PTO device 604 is meshed with the double-pump type axial plunger pump power gear 603 in double-pump type axial plunger pump 601.The gear pump splined shaft 606 of described gear pump 608 is meshed with the gear pump power output gear 605 in hydraulic pump PTO device 604, he is fixed on described hydraulic pump PTO device 604 on double-pump type axial plunger pump 601 by PTO device hold-down screw 602, and gear pump 608 is fixed on hydraulic pump PTO device 604 by gear pump hold-down screw 7.In the time that excavator is normally worked, diesel engine drives double-pump type axial plunger pump 601 to rotate, by double-pump type axial plunger pump power output gear 603, power is delivered on the gear pump power output gear 605 in PTO device 604, thereby power is passed on gear pump splined shaft 606, driven gear pump 608 rotates, and gear pump 608 is worked.The utility model, by increasing gear pump, has effectively increased the flow of hydraulic oil, improves the operating efficiency of hydraulic pump, has filled up hydraulic crawler excavator and has not existed three pumps to combine the blank of fuellers.
Hydraulic excavating owner Qu Gaoxiao rotary motive power assembly, hydraulic crawler excavator rotary motive power assembly is mainly made up of output shaft 701, secondary solar gear 702, secondary planet wheel 703, one-level sun gear 704, one-level planetary gear 705, described secondary solar gear and one-level sun gear are connected to the axle head of output shaft in turn, described secondary planet wheel is engaged on secondary solar gear outside, one-level planetary gear is engaged on one-level sun gear outside, all engagement gear rings separately of described secondary planet wheel and one-level planetary gear outside, the number of teeth of the output gear of described output shaft 701 becomes 11 teeth.The number of teeth of the gear of described secondary solar gear 702 becomes 13 teeth.The number of teeth of the gear of described secondary planet wheel 703 becomes 19 teeth.The number of teeth of the gear of described one-level sun gear 704 becomes 13 teeth.The number of teeth of the gear of described one-level planetary gear 705 becomes 19 teeth.According to design formulas: i=(Z5/Z1+1) × (Z5/Z3+1); Improve driving front ratio: i=(Z5/Z1+1) × (Z5/Z3+1)=(52/14+1) × (52/16+1)=20.04.Gearratio: i=(Z5/Z1+1) × (Z5/Z3+1)=(52/13+1) × (52/13+1)=25 after improving.In the situation that not changing rotary motive power assembly integral structure, speed reducing ratio is adjusted to 25, increase the gearratio of rotary motive power assembly, increase power output torque value.
In the time that excavator is normally worked, start diesel engine, excavator main pump work.
1, swing arm falls: handle pilot handle to swing arm and fall position, the solenoid-operated proportional control valve that pilot signal is delivered to respectively main valve and is connected with accumulator 501, when being pushed into swing arm, pilot handle 504 falls, main pump injects respectively 2 swing arm energy storage oil cylinders of three oil cylinder swing arm equipments 4 and the loculus of boom cylinder by hydraulic oil by main valve, completes the down maneuver of swing arm 3.Meanwhile, swing arm energy storage oil cylinder by movable arm potential energy, injects 4 in parallel accumulators 501 by solenoid-operated proportional control valve by the mixed oil and gas in loculus, and filling can be complete.Meanwhile, the hydraulic oil in three pump formula fuellers 6 enters in boom cylinder and swing arm energy storage oil cylinder loculus by main valve, and auxiliary swing arm 3 declines, and reduces fall time, and now the hydraulic oil in the large chamber of boom cylinder is by the main valve fuel tank that refluxes.
2, swing arm liter: handle pilot handle to swing arm raise-position and put, put when pilot handle being pushed into swing arm raise-position, pilot handle produces pilot signal and is delivered to main valve, and main valve communicates with the large chamber of boom cylinder in three oil cylinder swing arm equipments 4, and boom cylinder loculus is by main valve oil return.Pilot signal is delivered to the solenoid-operated proportional control valve being connected with accumulator 501 simultaneously, accumulator 501 communicates with 2 large chambeies of swing arm energy storage oil cylinder, now the mixed oil and gas in accumulator 501 is injected in the large chamber of swing arm energy storage oil cylinder by solenoid-operated proportional control valve, promote piston rod and outwards extend, thereby pusher arm 3 rises.Wherein the auxiliary swing arm 3 of the middle oil cylinder in three oil cylinder swing arm equipments 4 rises, and plays the position-limiting action that swing arm 3 rises, the impact phenomenon of anti-stopper arms energy storage oil cylinder in swing arm uphill process.
3, scraper bowl exhibition: handle pilot handle to scraper bowl exhibition position and put, in three pump formula fuellers 6, hydraulic pump is delivered to bucket arm cylinder loculus by main valve by hydraulic oil, promote piston and piston rod and shrink, traction scraper bowl 1 turns clockwise around dipper end scraper bowl bearing pin bindiny mechanism 2, completes dipper exhibition action.
4, scraper bowl is received: handle pilot handle to scraper bowl and receive position, in three pump formula fuellers 6, hydraulic pump is delivered to the shovel large chamber of rod oil cylinder by main valve by hydraulic oil, promotion piston rod stretches out, and traction scraper bowl 1 is rotated counterclockwise around dipper end scraper bowl bearing pin bindiny mechanism 2, completes dipper and receives action.Because scraper bowl 1 improves in scraper bowl base plate, scraper bowl side plate, otic placode pin shaft hole center to center distance, reduce excavating resistance, improve operating efficiency.
5, upper-part rotation: handle pilot handle to the rotary position of getting on the bus, in three pump formula fuellers 6, hydraulic pump is delivered to rotary motor in rotary motive power assembly 7 by main valve by hydraulic oil, rotary motive power assembly 7 output shafts drive and add revolution.Because rotary motive power assembly 7 gearratios are optimized and are improved to 25:1 by former 20.04:1, under permanent power control mode, due to the reduction of output speed, output torque increases, and the startup of getting on the bus, to stop speed fast, improved the operating efficiency of system.
6, accumulator fills energy: in normal work, when accumulator 501 is because using and other consumption, be detected pressure and do not reach use while wanting, now needing accumulator 501 to fill can, manipulation pilot handle to accumulator is filled to energy position, and three pump formula fuellers 6 inject 4 accumulators 501 in parallel by hydraulic oil by main valve, control valve, ball valve simultaneously, in the time that pressure reaches setting, by pressure shut-off valve, hydraulic circuit is cut off, accumulator 5 completes and fills energy.
7, three pump formula fuellers 6, because it has increased PTO device and 1 gear pump on the basis of former double-pump type axial plunger pump, increase flow rate of hydraulic system greatly.Complete the actions such as swing arm falls, dipper receipts, scraper bowl receipts during at hydraulic crawler excavator, all can effectively increase work efficiency.
A kind of high-efficient energy-saving environment friendly fluid of the utility model mixing excavator, through its scraper bowl 1, scraper bowl bearing pin bindiny mechanism 2, swing arm 3, three oil cylinder swing arm equipments 4, accumulator being filled to the integrated application of the parts such as energy device 5, three pump formula fuellers 6, rotary motive power assembly 7 at hydraulic crawler excavator, and test through complete machine embarkation, after tested, synthesis energy saving can reach more than 50%, operating efficiency improves more than 50%, has brought remarkable result.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (8)
1. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator, comprise vehicle frame, rotating disk, scraper bowl, scraper bowl bearing pin bindiny mechanism, swing arm, swing arm equipment, accumulator fills energy device, fueller, rotary motive power assembly, described upper vehicle frame is arranged on rotating disk, rotating disk connects rotary motive power assembly, described scraper bowl is assemblied on dipper by scraper bowl bearing pin bindiny mechanism, swing arm is hinged by scraper bowl bearing pin bindiny mechanism and dipper on the one hand, be connected with upper vehicle frame by upper vehicle frame bearing pin on the other hand, it is characterized in that, described swing arm equipment is three oil cylinder swing arm equipments, described fueller is three pump formula fuellers, hinged three oil cylinder swing arm equipments between described swing arm and upper vehicle frame, described accumulator fills energy device, three pump formula fuellers, rotary motive power assembly is installed on respectively on vehicle frame, wherein accumulator fills energy device, three pump formula fuellers are all connected with three oil cylinder swing arm equipments.
2. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described scraper bowl, comprise base plate and be arranged on the side plate of base plate both sides, the front end of described base plate is along picking out a guide plate, described side plate is simultaneously perpendicular to base plate and guide plate, the side plate of both sides is parallel to each other, the width of described guide plate and base plate equates, the quarrel position that described side plate end face middle part forms is circular arc, described base plate rear side connects the otic placode with bearing pin, offers two centre bores on otic placode, and the distance of two centre bores is 564 ± 5mm.
3. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described scraper bowl bearing pin bindiny mechanism, comprise bearing pin, described bearing pin has otic placode near the periphery cover at self both ends, described bearing pin both ends all arrange end cap, O RunddichtringO is set between described end cap and otic placode, described bearing pin two ends outer circumferential walls cover has otic placode lining, described otic placode is enclosed within on otic placode lining, on described end cap, offer the first lubricating cup radially, the first lubricating cup is communicated to the space forming between end cap and pin roll end face, described otic placode inner side and bearing pin outside cover have front support, described bearing pin outside and be provided with front support lining near otic placode lining position, inner side, described front support two ends is enclosed within on front support lining, described front support is offered the second lubricating cup radially, the second lubricating cup is communicated to the space forming between front support and bearing pin, between described otic placode lining and front support lining, oil sealing is set.
4. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described swing arm, comprises swing arm body, and the cross section of described swing arm body is square shape, be welded to each other and form by the side plate of base plate and top board and the left and right sides, between described base plate and top board, be also provided with reinforcement side plate, described reinforcement side plate at least arranges one, and described reinforcement side plate is arranged between the plate of the left and right sides, and strengthen upper end and top board welding, lower end and the base plate welding of side plate.
5. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described three oil cylinder swing arm equipments comprise by swing arm bearing pin be hinged on the swing arm on upper vehicle frame and be connected to swing arm and upper vehicle frame between the power set that can make the rotary rise and fall of swing arm, these power set comprise boom cylinder, boom cylinder is connected with the main valve of excavator, described power set also comprise two swing arm energy storage oil cylinders, described boom cylinder upper end is hinged on the horizontal boom cylinder bearing pin of swing arm, lower end is hinged on the horizontal upper vehicle frame bearing pin of vehicle frame, described two swing arm energy storage oil cylinder symmetrical expressions are positioned at boom cylinder both sides, same upper end is hinged on boom cylinder bearing pin, lower end is hinged on vehicle frame bearing pin, described boom cylinder is for just putting mounting means, be cylinder body under, piston rod is upper, described swing arm energy storage oil cylinder is for being inverted mounting means, be that cylinder body is upper, piston rod under, described swing arm energy storage oil cylinder comprises the cylinder body and the piston rod that are connected, piston rod front end is connected with the piston in cylinder body, in cylinder body, be divided into large chamber and loculus by piston, described large chamber is connected to accumulator by pipeline, loculus is connected with the main valve of excavator, described boom cylinder upper end is positioned at swing arm inside, described swing arm energy storage oil cylinder upper end is positioned at swing arm outside.
6. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described accumulator fills and can comprise accumulator, main pump by device, described accumulator is connected with main pump by main valve, Bonding pressure stop valve between described accumulator and main valve, also comprise pilot handle, described pilot handle is connected with pressure shut-off valve, main valve, main pump respectively, between described accumulator and pressure shut-off valve, assembles one way valve.
7. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described three pump formula fuellers comprise double-pump type axial plunger pump, also comprise gear pump, described gear pump is by hydraulic pump PTO device and double-pump type axial plunger pump is engagement type links together, and the gear pump power output gear in described hydraulic pump PTO device is meshed with the double-pump type axial plunger pump power gear in double-pump type axial plunger pump; The gear pump splined shaft of described gear pump is meshed with the gear pump power output gear in hydraulic pump PTO device, described hydraulic pump PTO device is fixed on double-pump type axial plunger pump by PTO device hold-down screw, and gear pump is fixed on hydraulic pump PTO device by gear pump hold-down screw.
8. high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator according to claim 1, it is characterized in that, described rotary motive power assembly is mainly by output shaft, secondary solar gear, secondary planet wheel, one-level sun gear, one-level planetary gear composition, described secondary solar gear and one-level sun gear are connected to the axle head of output shaft in turn, described secondary planet wheel is engaged on secondary solar gear outside, one-level planetary gear is engaged on one-level sun gear outside, all engagement gear rings separately of described secondary planet wheel and one-level planetary gear outside, the number of teeth of the output gear of described output shaft becomes 11 teeth, the number of teeth of the gear of described secondary solar gear becomes 13 teeth, the number of teeth of the gear of described secondary planet wheel becomes 19 teeth, the number of teeth of the gear of described one-level sun gear becomes 13 teeth, the number of teeth of the gear of described one-level planetary gear becomes 19 teeth.
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| CN201420300943.1U CN203924155U (en) | 2014-06-06 | 2014-06-06 | High-efficient energy-saving environment friendly oil-liquid hybrid electric excavator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104005435A (en) * | 2014-06-06 | 2014-08-27 | 山东中川液压有限公司 | Efficient energy-saving environment-friendly oil-hydraulic hybrid powder excavator |
| CN105887953A (en) * | 2014-12-30 | 2016-08-24 | 田奎 | Multifunctional hydraulic bucket |
| CN106436792A (en) * | 2016-12-06 | 2017-02-22 | 北京迈弛科技发展有限公司 | Composite milling and digging shovel |
| CN106605028A (en) * | 2015-01-22 | 2017-04-26 | 日立建机株式会社 | Hybrid construction machine |
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2014
- 2014-06-06 CN CN201420300943.1U patent/CN203924155U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005435A (en) * | 2014-06-06 | 2014-08-27 | 山东中川液压有限公司 | Efficient energy-saving environment-friendly oil-hydraulic hybrid powder excavator |
| CN104005435B (en) * | 2014-06-06 | 2016-12-07 | 山东中川液压有限公司 | A kind of high-efficient energy-saving environment friendly oil-liquid hybrid electric excavator |
| CN105887953A (en) * | 2014-12-30 | 2016-08-24 | 田奎 | Multifunctional hydraulic bucket |
| CN106605028A (en) * | 2015-01-22 | 2017-04-26 | 日立建机株式会社 | Hybrid construction machine |
| CN106436792A (en) * | 2016-12-06 | 2017-02-22 | 北京迈弛科技发展有限公司 | Composite milling and digging shovel |
| CN106436792B (en) * | 2016-12-06 | 2019-03-15 | 北京迈弛科技发展有限公司 | A kind of compound milling digging shovel |
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