CN203924192U - A kind of interchange/battery dual-purpose electric excavator - Google Patents
A kind of interchange/battery dual-purpose electric excavator Download PDFInfo
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- CN203924192U CN203924192U CN201420374058.8U CN201420374058U CN203924192U CN 203924192 U CN203924192 U CN 203924192U CN 201420374058 U CN201420374058 U CN 201420374058U CN 203924192 U CN203924192 U CN 203924192U
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- battery
- power
- phase
- frequency converter
- hydraulic oil
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 29
- 230000001360 synchronised effect Effects 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 claims description 3
- 229910052987 metal hydride Inorganic materials 0.000 claims 1
- 239000000295 fuel oil Substances 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 description 15
- 230000005520 electrodynamics Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本实用新型涉及一种交流/蓄电池两用电动挖掘机，属于工程机械技术领域。该交流/蓄电池两用电动挖掘机，包括车体、动力装置、工作装置、回转机构、操作机构、传动系统、行车机构和辅助设备，所述动力装置为电源动力装置和蓄电池动力装置两组，AC电源动力装置包括自动收缩电缆卷筒，蓄电池动力装置包括蓄电池箱，AC电源三相电源与安装在车体上的自动收缩电缆卷筒的三相线连接，自动收缩电缆卷筒的三相出线与变频器上的三相进线端相连；蓄电池箱的与变频器上相连，变频器与控制器上的交直流转换开关和功率调节按钮相连，电动机与变频器相连。该挖掘机用电能代替燃油，大幅减少挖掘机作业成本，对环境无污染，更节能环保。
The utility model relates to an AC/storage battery dual-purpose electric excavator, which belongs to the technical field of engineering machinery. The AC/battery dual-purpose electric excavator includes a car body, a power device, a working device, a slewing mechanism, an operating mechanism, a transmission system, a driving mechanism and auxiliary equipment. The power device is a power device and a battery power device. AC power supply power unit includes automatic shrinking cable reel, battery power unit includes battery box, AC power three-phase power supply is connected with the three-phase line of the automatic shrinking cable reel installed on the car body, and the three-phase outlet of the automatic shrinking cable reel It is connected to the three-phase incoming line terminal on the frequency converter; the battery box is connected to the frequency converter, the frequency converter is connected to the AC/DC conversion switch and the power adjustment button on the controller, and the motor is connected to the frequency converter. The excavator uses electric energy instead of fuel oil, greatly reduces the operating cost of the excavator, has no pollution to the environment, and is more energy-saving and environmentally friendly.
Description
Technical field
The utility model relates to a kind of interchange/battery dual-purpose electric excavator, belongs to technical field of engineering machinery.
Background technology
From the development of engineering machinery in recent years, the development of excavator is relatively very fast, and excavator has become one of topmost engineering machinery in engineering construction.For a long time, on market, excavator is all mainly that so not only oil consumption is large taking fuel engines as power source, and use cost is high, and environment is also had to very large pollution.Along with rising steadily of oil price and becoming increasingly conspicuous of energy problem, use electric excavator not only can significantly reduce its operating cost, can also realize zero-emission.
At present, although there is electric excavator on market, has plenty of dual-use with gasoline and electricity excavator, as the application number patent application that is 201310690451.8, but this kind of dual-use with gasoline and electricity excavator exists hybrid power system complexity, and energy utilization efficiency is low, operating cost reduces less and the shortcoming such as pollution; Has plenty of AC electrical excavator, adopt constant speed motor, its pattern is single, and operating rate and power cannot be adjusted, often cause operation effectiveness undesirable, in addition, in remote suburb during without mains supply, simple AC electrical excavator cannot operation, and the feed cable of most of AC electrical excavator is mop floor or erect on high bar, excavator inconvenience in the time of operation like this, the cable that also can wear and tear, brings potential safety hazard.Automatically shrink cable drum if adopt, convenience not only attractive in appearance but also can reduce above-mentioned wearing and tearing and safety problem.
Summary of the invention
The problem and the deficiency that exist for above-mentioned prior art, the utility model provides a kind of interchange/battery dual-purpose electric excavator.This excavator replaces fuel oil with electric energy, can significantly reduce excavator operation cost, environmentally safe, and comparing fuel engines is power, energy-conserving and environment-protective more, the utility model is achieved through the following technical solutions.
A kind of interchange/battery dual-purpose electric excavator, comprise car body 1, power set, equipment, slew gear, operating mechanism, transmission system, driving mechanism and auxiliary equipment, described power set are two groups, AC power supplies power set and battery power set, AC power supplies power set comprise automatic contraction cable drum 7, battery power set comprise accumulator box 6, in described power set, radiator 2 is arranged on car body 1, hydraulic oil on radiator 2 is imported and exported and is connected with hydraulic oil container 5, motor 3 is coaxially assemblied in radiator 2 one sides with hydraulic oil pump 4, hydraulic oil pump 4 is connected with hydraulic oil container 5, AC power supplies three phase mains is connected with the triple line that is arranged on the automatic contraction cable drum 7 on car body 1, automatic contraction cable drum 7
threephase outlet is connected with three-phase end of incoming cables R, S, T on frequency converter 8, the positive and negative electrode outlet of accumulator box 6 is connected with direct current "+", "-" level input on frequency converter 8 respectively, power line, the data line of frequency converter 8 are connected with power adjusting button 11 with the AC-DC conversion switch 10 on controller 9 respectively, and the triple line of motor 3 is connected with three-phase leading-out terminal U, V, W on frequency converter 8.
Described motor 3 is AC induction motor or synchronous motor.
Described accumulator box 6 is a kind of or any combination in lithium ion battery, Ni-MH battery, nickel-cadmium cell, lead-acid battery.
Described automatic contraction cable drum 7 is spring or electrodynamic type structure, automatically shrinks cable drum 7 and can buy from market.
The using method of this interchange/battery dual-purpose electric excavator is:
(1) use while interchange: when environment allows in the situation of AC power input, first the alternating current-direct current on controller 9 is transformed to switch 10 and get to AC end, three phase mains is connected with the triple line that is arranged on the automatic contraction cable drum 7 on car body 1, by power adjusting button 11 to suitable power gear, under the control of frequency converter 8, motor 3 rotation drive hydraulic oil pumps 4 are worked and are carried out operation for whole excavator provides power, automatically shrink cable drum 7 and carry out folding and unfolding cable according to the tension force degree of tightness in excavator traveling process;
(2) while using battery: the in the situation that of AC-less power input or use Vehicular accumulator cell, alternating current-direct current on controller 9 is transformed to switch 10 and get to DC end, utilize Vehicular accumulator cell case 6 to provide power source for it, according to the content of institute's operation, by power adjusting button 11, to suitable power gear, under the control of frequency converter 8, motor 3 rotation drive hydraulic oil pumps 4 are worked and are carried out operation for whole excavator provides power.
The beneficial effects of the utility model are: (1) is used electric energy to replace fuel oil, can significantly reduce excavator operation cost, environmentally safe, and comparing fuel engines is power, more energy-conserving and environment-protective; (2) not only can use alternating current but also can use Vehicular accumulator cell, operating flexibility, applied widely, conversion is convenient, reliable; (3) high-performance vector frequency converter adopting has solved motor starting electric current greatly and the problem of high start torque, and the soft start and the speed change that have realized motor regulate; (4) the automatic contraction cable drum adopting, can shrink cable automatically according to advancing of excavator, cable wearing and tearing and the security incident of having avoided cable to mop floor caused.
Brief description of the drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model schematic top plan view;
Fig. 3 is the utility model controller architecture schematic diagram.
In figure: 1-car body, 2-radiator, 3-motor, 4-hydraulic oil pump, 5-hydraulic oil container, 6-accumulator box, 7-shrinks cable drum automatically, 8-frequency converter, 9-controller, 10-AC-DC conversion switch, 11-power adjusting button.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figures 1 to 3, this interchange/battery dual-purpose electric excavator, comprise car body 1, power set, equipment, slew gear, operating mechanism, transmission system, driving mechanism and auxiliary equipment, described power set are two groups, AC power supplies power set and battery power set, AC power supplies power set comprise automatic contraction cable drum 7, battery power set comprise accumulator box 6, in described power set, radiator 2 is arranged on car body 1, hydraulic oil on radiator 2 is imported and exported and is connected with hydraulic oil container 5, motor 3 is coaxially assemblied in radiator 2 one sides with hydraulic oil pump 4, hydraulic oil pump 4 is connected with hydraulic oil container 5, AC power supplies three phase mains is connected with the triple line that is arranged on the automatic contraction cable drum 7 on car body 1, automatic contraction cable drum 7
threephase outlet is connected with three-phase end of incoming cables R, S, T on frequency converter 8, the positive and negative electrode outlet of accumulator box 6 is connected with direct current "+", "-" level input on frequency converter 8 respectively, power line, the data line of frequency converter 8 are connected with power adjusting button 11 with the AC-DC conversion switch 10 on controller 9 respectively, and the triple line of motor 3 is connected with three-phase leading-out terminal U, V, W on frequency converter 8.
Wherein motor 3 AC induction motor, accumulator box 6 is lithium ion battery; Automatically shrinking cable drum 7 is spring structure.
Embodiment 2
As shown in Figures 1 to 3, this interchange/battery dual-purpose electric excavator, comprise car body 1, power set, equipment, slew gear, operating mechanism, transmission system, driving mechanism and auxiliary equipment, described power set are two groups, AC power supplies power set and battery power set, AC power supplies power set comprise automatic contraction cable drum 7, battery power set comprise accumulator box 6, in described power set, radiator 2 is arranged on car body 1, hydraulic oil on radiator 2 is imported and exported and is connected with hydraulic oil container 5, motor 3 is coaxially assemblied in radiator 2 one sides with hydraulic oil pump 4, hydraulic oil pump 4 is connected with hydraulic oil container 5, AC power supplies three phase mains is connected with the triple line that is arranged on the automatic contraction cable drum 7 on car body 1, automatic contraction cable drum 7
threephase outlet is connected with three-phase end of incoming cables R, S, T on frequency converter 8, the positive and negative electrode outlet of accumulator box 6 is connected with direct current "+", "-" level input on frequency converter 8 respectively, power line, the data line of frequency converter 8 are connected with power adjusting button 11 with the AC-DC conversion switch 10 on controller 9 respectively, and the triple line of motor 3 is connected with three-phase leading-out terminal U, V, W on frequency converter 8.
Wherein motor 3 synchronous motors; Accumulator box 6 is Ni-MH battery; Automatically shrinking cable drum 7 is electrodynamic type structure.
Embodiment 3
As shown in Figures 1 to 3, this interchange/battery dual-purpose electric excavator, comprise car body 1, power set, equipment, slew gear, operating mechanism, transmission system, driving mechanism and auxiliary equipment, described power set are two groups, AC power supplies power set and battery power set, AC power supplies power set comprise automatic contraction cable drum 7, battery power set comprise accumulator box 6, in described power set, radiator 2 is arranged on car body 1, hydraulic oil on radiator 2 is imported and exported and is connected with hydraulic oil container 5, motor 3 is coaxially assemblied in radiator 2 one sides with hydraulic oil pump 4, hydraulic oil pump 4 is connected with hydraulic oil container 5, AC power supplies three phase mains is connected with the triple line that is arranged on the automatic contraction cable drum 7 on car body 1, automatic contraction cable drum 7
threephase outlet is connected with three-phase end of incoming cables R, S, T on frequency converter 8, the positive and negative electrode outlet of accumulator box 6 is connected with direct current "+", "-" level input on frequency converter 8 respectively, power line, the data line of frequency converter 8 are connected with power adjusting button 11 with the AC-DC conversion switch 10 on controller 9 respectively, and the triple line of motor 3 is connected with three-phase leading-out terminal U, V, W on frequency converter 8.
Wherein motor 3 synchronous motors; Accumulator box 6 is the assembled battery group of nickel-cadmium cell, lead-acid battery; Automatically shrinking cable drum 7 is electrodynamic type structure.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374058.8U CN203924192U (en) | 2014-07-08 | 2014-07-08 | A kind of interchange/battery dual-purpose electric excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374058.8U CN203924192U (en) | 2014-07-08 | 2014-07-08 | A kind of interchange/battery dual-purpose electric excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203924192U true CN203924192U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420374058.8U Expired - Fee Related CN203924192U (en) | 2014-07-08 | 2014-07-08 | A kind of interchange/battery dual-purpose electric excavator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120752A (en) * | 2014-07-08 | 2014-10-29 | 昆明理工大学 | Alternating current/storage battery dual-purpose electric excavator |
| CN105781558A (en) * | 2016-03-29 | 2016-07-20 | 时建华 | Pollution-free tunnel excavator |
| CN105822317A (en) * | 2016-06-08 | 2016-08-03 | 董超超 | Tunnel excavator with high controllability |
| WO2016173089A1 (en) * | 2015-04-27 | 2016-11-03 | 姚耀春 | Electric mobile energy-storage loading machine |
-
2014
- 2014-07-08 CN CN201420374058.8U patent/CN203924192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104120752A (en) * | 2014-07-08 | 2014-10-29 | 昆明理工大学 | Alternating current/storage battery dual-purpose electric excavator |
| WO2016173089A1 (en) * | 2015-04-27 | 2016-11-03 | 姚耀春 | Electric mobile energy-storage loading machine |
| CN105781558A (en) * | 2016-03-29 | 2016-07-20 | 时建华 | Pollution-free tunnel excavator |
| CN105822317A (en) * | 2016-06-08 | 2016-08-03 | 董超超 | Tunnel excavator with high controllability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150708 |
|
| EXPY | Termination of patent right or utility model |