CN205186117U - Power coupling and separator , hybrid power system and hoist - Google Patents
Power coupling and separator , hybrid power system and hoist Download PDFInfo
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- CN205186117U CN205186117U CN201520932788.XU CN201520932788U CN205186117U CN 205186117 U CN205186117 U CN 205186117U CN 201520932788 U CN201520932788 U CN 201520932788U CN 205186117 U CN205186117 U CN 205186117U
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model discloses a power coupling and separator, hybrid power system and hoist relates to engineering machinery for portably realize the disconnection of driving chain among the hybrid power system. This power coupling and separator include power takeoff and clutch, and the power takeoff passes through the clutch and is connected with pump / motor, wherein, switch -on and the disconnection of power takeoff and pump / motor between driving chain can be realized through the clutch. Power coupling and separator that above -mentioned technical scheme provided, under the condition of needs, the disconnection clutch just can conveniently break off the power transmission chain between gearbox and the pump / motor, and the operation is very simple and convenient reliable.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of power coupling and disengagement gear, hybrid power system and hoisting crane.
Background technology
Car hosit, when non-operation, often travels on urban road.In urban highway travels, car hosit own wt is comparatively large, starts frequently, stops expending comparatively macro-energy.When hoisting crane brakes, lock torque is comparatively large, finally dissipates with the form of friction heat, causes the waste of energy.In order to improve hoisting crane energy utilization efficiency, occurred Technology of Hybrid Electric Vehicle at present, braking energy when the recyclable hoisting crane of this technology brakes, stores it with hydraulic energy form.When vehicular drive, release hydraulic energy is converted to the mechanical energy driving vehicle to advance.
Adopt the hoisting crane of oil-liquid hybrid electric technology to be called hybrid power hoisting crane, it utilizes diesel oil and hydraulic energy jointly to drive hoisting crane work.Wherein, hydraulic energy is from hoisting crane drag energy.When car brakeing, drive pump/motor that braking force is converted into hydraulic energy and be stored in pump/motor.When vehicle start, pump/motor release hydraulic energy, drive pump/motor, produce drive torque, by power takeoff by transmission of power to transmission input shaft, drive vehicle advance.
When hoisting crane normally travels, hybrid power system does not work, and now needs to be disconnected.When hoisting crane accelerates or start, need to start hybrid power system.Adopt the cut-out and combination that realize power in two ways in current hoisting crane, the first adopts cylinder shift fork to force to push engaging gear open; Another kind of for adopting shift fork promotion synchronizer structure to carry out power combination and disconnect.
Oil-liquid hybrid electric: energy source has the chemical power of hydraulic energy and diesel oil, through power coupling, forming combination drive power, is a kind of energy saving technology.
Contriver finds, at least there is following problems in prior art:
Adopt first kind of way, when needs cut off messenger chain, engaging gear must be made to depart from, now gear pair high-speed operation, need input shaft power to disconnect, shifting slide gear could be promoted and depart from.
Adopt the second way, synchronizer structure is more common in change speed gear box, needs two sleeve gears secondary; When detachment is desired, shift fork promotes power takeoff.Which complex structure, and a set of synchro and gear pair need be increased.
Utility model content
One of them object of the present utility model proposes a kind of power coupling and disengagement gear, hybrid power system and hoisting crane, in order to realize the disconnection of messenger chain in hybrid power system easily.
For achieving the above object, the utility model provides following technical scheme:
The utility model provides a kind of power coupling and disengagement gear, comprises power takeoff and power-transfer clutch, and described power takeoff is connected with pump/motor by described power-transfer clutch;
Wherein, the connecting and disconnecting of messenger chain between described power takeoff and described pump/motor can be realized by described power-transfer clutch.
In an alternate embodiment of the invention, the described power takeoff transmission device that comprises the first axle, the second axle and be arranged between described first axle and the second axle;
Described first axle drives with described power-transfer clutch and is connected, and described second axle is used for being connected with engine drive, and described pump/motor is used for being connected with energy storage;
When being in Energy harvesting state, and described power-transfer clutch is in bonding state, and described power takeoff can by the power coupling of the power of described driving engine and described pump/motor;
When being in energy recovery state, and described power-transfer clutch is in bonding state, and energy is stored to described energy storage by described pump/motor;
When described power-transfer clutch is in off-state, the messenger chain between described power takeoff and described pump/motor disconnects.
In an alternate embodiment of the invention, the transmission shaft of described power-transfer clutch is connected with driving between described first axle; And/or the shell of described power-transfer clutch and the housing of described power takeoff removably connect.
In an alternate embodiment of the invention, described transmission device is gear mechanism, is driven be connected between described first axle with described second axle by described gear mechanism.
In an alternate embodiment of the invention, described gear mechanism is secondary transmission gear.
In an alternate embodiment of the invention, described second axle is hollow castellated shaft, and the internal sleeve of described second axle is provided with change speed gear box axle drive shaft.
In an alternate embodiment of the invention, the transmission shaft of described power-transfer clutch is connected with being driven by spline between described first axle.
The utility model provides again a kind of hybrid power system, comprises power coupling and disengagement gear that the arbitrary technical scheme of driving engine, change speed gear box and the utility model provides.
In an alternate embodiment of the invention, the second axle of described power takeoff and the axle drive shaft of described change speed gear box are connected with the dual output power-transfer clutch on described driving engine simultaneously.
The utility model embodiment also provides a kind of hoisting crane, comprises the hybrid power system that the arbitrary technical scheme of the utility model provides.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
The power coupling that technique scheme provides and disengagement gear, power takeoff is provided with power-transfer clutch, and directly can be driven with the first axle of power takeoff by power-transfer clutch and be connected.So that power coupling and disengagement gear are applied in hybrid power system.During power coupling, be the power coupling of power by driving engine and pump/motor, jointly to drive change speed gear box.During stored energy, braking energy is stored to energy storage via pump/motor.In above-mentioned power coupling and stored energy process, between change speed gear box and pump/motor, all there is messenger chain.Power-transfer clutch is in bonding state, then this messenger chain can realize transmission; Power-transfer clutch disconnects, and this messenger chain also disconnects.Visible, technique scheme can realize the disconnection of messenger chain between change speed gear box and pump/motor easily.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The power coupling that Fig. 1 provides for the utility model embodiment and disengagement gear are applied in the schematic diagram in hybrid power system;
The structural representation of the power coupling that Fig. 2 provides for the utility model embodiment and disengagement gear;
The wheel train structure schematic diagram that Fig. 3 provides for the utility model embodiment;
Reference numeral:
1, cover plate; 2, bearing cover, input shaft; 3, the second axle;
4, axle drive shaft; 5, reinforced seal; 6, bearing;
7, bearing cap shim; 8, two axles; 9, two axle bearings;
10, bearing; 11, the first axle; 12, power-transfer clutch;
13, output shaft gear; 14, two shaft gears; 15, end cap;
16, housing; 17, bearing; 18, reinforced seal;
19, porous plug; 20, power takeoff; 21, pump/motor;
22, energy storage; 23, change speed gear box; 25, driving engine;
30, input gear; 31, intermediate gear; 32, output gear.
Detailed description of the invention
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 3 carries out specifically to the technical scheme that the utility model provides.
The technical term used or explanation of nouns is needed in the present embodiment.
Power coupling: during hybrid power system work, get involved and drive vehicle, needs to work together with driving engine, completes the fusion of power, be delivered to power element by an output shaft after two power transmission chain superpositions.
Pump/motor: a kind of secondary component, can make pump and use, again can as motor operations.When recuperated energy, under being operated in pump state; When releasing energy, with motor condition work.
Dual output power-transfer clutch: a kind of Double-power output clutch, wherein a Power output is exported by platen thrust clutch plate spline structure, and another Power output is from the built-in spline structure of platen, and platen and engine flywheel are rigidly connected and export.
See Fig. 1 to Fig. 3, the utility model embodiment provides a kind of power coupling and disengagement gear, and comprise power takeoff 20 and power-transfer clutch 12, power takeoff 20 is connected with pump/motor 21 by power-transfer clutch 12.Wherein, the connecting and disconnecting of messenger chain between power takeoff 20 and pump/motor 21 can be realized by power-transfer clutch 12.
See Fig. 1, above-mentioned power coupling and disengagement gear are applicable to hybrid power system and similar system, power takeoff 20 is arranged between driving engine 25 and change speed gear box 23, power-transfer clutch 12 is connected with pump/motor 21, and pump/motor 21 is connected with energy storage 22 by hydraulic tubing.When power-transfer clutch 12 is in bonding state, power takeoff 20 can normally realize and being coupled between the power of pump/motor 21 and the power of driving engine 25, and braking energy is stored to energy storage 22.When power-transfer clutch 12 is in off-state, the power transmission chain between pump/motor 21 and power takeoff 20 disconnects.Visible, technique scheme can realize the connecting and disconnecting of messenger chain between power takeoff 20 and pump/motor 21 easily.
Power-transfer clutch 12 can be wet-type hydraulic clutch, and wet-type hydraulic clutch can carry comparatively high pulling torque, ensures stationarity during work.Wet-type hydraulic clutch integrated on power takeoff 20 can ensure intervention at any time and the disengaging of hybrid power system, and guarantee system is normally run.
See Fig. 1 and Fig. 2, further, power takeoff 20 comprises the first axle 11, second axle 3 and is arranged on the transmission device between the first axle 11 and the second axle 3.First axle 11 drives with power-transfer clutch 12 and is connected, and the second axle 3 is connected for driving with driving engine 25, and pump/motor 21 is for being connected with energy storage 22.When being in Energy harvesting state, and power-transfer clutch 12 is in bonding state, and power takeoff 20 can by the power coupling of the power of driving engine 25 and pump/motor 21.When being in energy recovery state, and power-transfer clutch 12 is in bonding state, and energy is stored to energy storage 22 via pump/motor 21.When power-transfer clutch 12 is in off-state, the messenger chain between power takeoff 20 and pump/motor 21 disconnects.The moment of inertia of forward travel is passed to pump motor, and pump motor can produce lock torque, with abrupt deceleration vehicle.
As from the foregoing, when power-transfer clutch 12 is in bonding state, kinetic force transmits one of in the following manner: be passed to change speed gear box 23 (namely realizing power coupling) by energy storage 22 via power-transfer clutch 12, first axle 11, second axle 3, axle drive shaft 4, or is passed to energy storage 22 (namely realizing braking energy to store) by change speed gear box 23 via axle drive shaft 4, second axle 3, first axle 11, power-transfer clutch 12.When power-transfer clutch 12 is in released state, the messenger chain between pump/motor 21 and change speed gear box 23 disconnects, and only passes through driving engine 25 to change speed gear box 23 transferring power.
When above-mentioned power coupling is applicable to vehicular drive, acceleration, the energy that power takeoff 20 stores for transmission system, is coupled with driving engine 25 output torque, output drive strength square.When above-mentioned braking energy storage is applicable to car brakeing, power takeoff 20 carry-over moment to pump/motor 21 is converted to hydraulic energy and is stored to energy storage 22.When hoisting crane normally travels, hybrid power system does not work, and now needs to be disconnected, and the power-transfer clutch 12 herein by power takeoff 20 is installed, can realize this object.
Visible, in technique scheme, power takeoff 20 is provided with power-transfer clutch 12, ensure that and the controllability that hybrid power system is got involved ensure enough bearing torque.Further, power-transfer clutch 12 is independent agency, and when producing fault, it is convenient to change.
Specifically following connection mode can be adopted: the transmission shaft of power-transfer clutch 12 is connected with driving between the first axle 11 between power-transfer clutch 12 with power takeoff 20.And/or the shell of power-transfer clutch 12 and the housing 16 of power takeoff 20 removably connect.Power-transfer clutch 12 is arranged on the housing 16 of power takeoff 20, by spline transmitting torque by flange seam particularly.Setting like this, makes power coupling and disengagement gear compact conformation, transmits comparatively high pulling torque, and idle running energy consumption is low.
The mouth of power-transfer clutch 12 adopts Flange joint, is convenient to connect pump/motor 21, and bindiny mechanism is simple, and commonality is comparatively strong, is convenient to safeguard.
Hold above-mentioned, the transmission device between the first axle 11 and the second axle 3 is gear mechanism, is driven between the two connect by gear mechanism.
Further, gear mechanism is secondary transmission gear.It specifically comprises output shaft gear 13 and two shaft gears 14, and output shaft gear 13 is arranged on the first axle 11, and the first axle 11 is supported by bearing 10.Two shaft gears 14 are arranged on two axles 8, and two axles 8 are supported by two axle bearings 9.The two ends of two axles 8 are provided with bearing cap shim 7 and end cap 15.Second axle 3 is supported by bearing 6, is provided with reinforced seal 5 between bearing and input shaft cover plate 2.The axle drive shaft 4 of change speed gear box is supported by bearing 17, is provided with reinforced seal 18 between axle drive shaft 4 and housing 16.Housing 16 is also provided with porous plug 19.Axle drive shaft 4 runs through housing 16.
See Fig. 2, the second axle 3 is hollow castellated shaft, and the internal sleeve of the second axle 3 is provided with the axle drive shaft 4 of change speed gear box 23.
Power takeoff 20 adopts dual input shaft to design, and power takeoff 20 transmission system transmits power taking power by nested input shaft, effectively prevent power taking transmission system inertia to the impact of change speed gear box 23 input shaft, ensure that the ride comfort of gearshift.
In addition, see Fig. 1, power takeoff 20 structure can design multiple power-transfer clutch interface, can install two hydraulic clutches, the power-transfer clutch 12 of top and the power-transfer clutch of below on the right side of power takeoff 20 in such as Fig. 1.Emphasis has set forth the power-transfer clutch 12 of top herein, and the pump/motor 21, the energy storage 22 that are connected with this power-transfer clutch 12.
Another embodiment of the utility model also provides a kind of hybrid power system, comprises power coupling and disengagement gear that driving engine 25, change speed gear box 23 and the arbitrary technical scheme of the utility model provide.
Further, the second axle 3 of power takeoff 20 and the axle drive shaft 4 of change speed gear box 23 are connected with the dual output power-transfer clutch on driving engine 25 simultaneously.
The power-transfer clutch be connected with driving engine 25 adopts dual output clutch configuration.Power takeoff 20 merges dual input shaft design, by special Double-power output clutch transferring power, solution gear shifting force increases, realize the coupling of energy regenerating power simultaneously, the problem that existing power takeoff can not meet the power coupling demand of hoisting crane hybrid power system can be solved, facilitate hybrid power arrangements of elements and installation simultaneously.
The stationarity when hybrid power system that the utility model embodiment provides ensure that hybrid power hoisting crane starts, and mate corresponding dual output clutch configuration, the output of power can be ensured.
Hybrid power system is described in further detail below in conjunction with Fig. 2.
1, hybrid power transmission chain is introduced
Hoisting crane hybrid power transmission chain mainly comprises: driving engine 25, change speed gear box 23, power takeoff 20, power-transfer clutch 12, pump/motor 21, energy storage 22 etc.Messenger chain as shown in Figure 1.
Then hybrid power system messenger chain exports two power fusions to change speed gear box 23 mainly through power takeoff 20, drives vehicle to advance.Energy storage 22 is system stored energy element, when energy storage 22 discharges the hydraulic energy stored, drives pump/motor 21 output torque, and the drive torque exported with driving engine 25 is coupled and is passed to axle drive shaft 4 through change speed gear box 23; When car brakeing needs recuperated energy, the moment on axle drive shaft 4 is passed to pump/motor 21 by power takeoff 20 transmission device, mechanical energy is converted to hydraulic energy and stores with energy storage 22.
2, power takeoff 20 structural principle
Hybrid power coupling and disengagement gear structure are as shown in Figure 2, cover plate 1 connects change speed gear box 23 clutch case, housing 16 connects change speed gear box 23 front end face, change speed gear box 23 axle drive shaft 4 input end is by dual output clutch driven disc on spline joint and driving engine, flywheel shaft bearing bore is inserted in one end, the other end inserts in change speed gear box 23, is change speed gear box 23 transferring power.Second axle 3 mouth connects power takeoff 20 internal gear transmission device, and the second axle 3 input end is connected with dual output coupling flywheel shell platen on driving engine by spline pair.Power takeoff 20 is secondary gear auxiliary driving, and power-transfer clutch 12 is independent integers formula structure, is arranged on the housing 16 of power takeoff 20 by flange seam, and moment of torsion relies on spline transmission.
As shown in Figure 3, wheel is normal mode of operation to train drive mechanism schematic diagram.The transmission of power is realized by hydraulic clutch 12 with disconnection.In figure 3, input gear 30 drives two output gears 32 by intermediate gear 31.In output gear 32, one of them rotates, and also drives another output gear 32 to rotate by intermediate gear 31.
When energy storage 22 discharges storage liquid pressure energy, pump/motor 21 is operated in motor condition, hydraulic clutch 12 internal friction sheet under external control oil pressure combines drive torque to the first axle 11 transmitting pump/motor 21 and export, the second axle 3 is passed to through gear pair, now the power of driving engine 25 also passes to change speed gear box 23 axle drive shaft 4 through the dry type clutch of driving engine 25, change speed gear box 23 is reached, now vehicle launch after moment superposition.When in vehicle launch certain hour, enter normal motoring condition, now need to cut off hydraulic clutch 12 and control oil, messenger chain is thrown off, and now, rely on driving engine 25 to drive vehicle to travel, gear pair is in idle running operating mode.Energy storage 22 stops releasing energy.
When crane brake, hydraulic clutch 12 combines under control presssure signal, vehicle bridge transmission shaft carry-over moment to the second axle 3, through gear pair, be passed to power-transfer clutch 12, drive pump/motor 21 work, now pump/motor 21 under flange drive torque with the operation of pump, start in energy storage 22, fill energy, lock torque is converted into hydraulic energy the most at last.
The utility model embodiment also provides a kind of hoisting crane, comprises the hybrid power system that the arbitrary technical scheme of the utility model provides.
For the hoisting crane adopting hybrid power, in the recovery and dispose procedure of energy, need a driving device to transmit vehicle braking energy and pump/motor 21 drive torque in real time, work and the disengaging of hybrid power system can be controlled simultaneously.The hoisting crane that the utility model embodiment provides, adopts a kind of power takeoff 20 with clutch function to realize above-mentioned functions.The drive torque of the pump/motor 21 be connected with energy storage 22 can be coupled with the drive torque of driving engine 25 by the power takeoff 20 being prepended to change speed gear box 23; When car brakeing, moment is passed to above-mentioned pump/motor 21 by power takeoff 20; Messenger chain between pump/motor 21 and power takeoff 20 realizes connecting and disconnecting by wet-type hydraulic clutch 12.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only for ease of describing the utility model and simplified characterization, instead of instruction or infer the device of indication or element must have specific orientation, for specific azimuth configuration and operation, thus the restriction to the utility model protection content can not be interpreted as.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe the utility model and simplified characterization, as do not stated in addition, the implication that above-mentioned word is not special.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or equivalent replacement is carried out to wherein portion of techniques feature, but these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. power coupling and a disengagement gear, is characterized in that, comprise power takeoff (20) and power-transfer clutch (12), described power takeoff (20) is connected with pump/motor (21) by described power-transfer clutch (12); Wherein, the connecting and disconnecting of messenger chain between described power takeoff (20) and described pump/motor (21) can be realized by described power-transfer clutch (12).
2. power coupling according to claim 1 and disengagement gear, it is characterized in that, the transmission device that described power takeoff (20) comprises the first axle (11), the second axle (3) and is arranged between described first axle (11) and the second axle (3);
Described first axle (11) drives with described power-transfer clutch (12) and is connected, described second axle (3) is connected for driving with driving engine (25), and described pump/motor (21) is for being connected with energy storage (22);
When being in Energy harvesting state, and described power-transfer clutch (12) is in bonding state, and described power takeoff (20) can by the power coupling of the power of described driving engine (25) and described pump/motor (21);
When being in energy recovery state, and described power-transfer clutch (12) is in bonding state, and energy is stored to energy storage (22) by described pump/motor (21);
When described power-transfer clutch (12) is in off-state, the messenger chain between described power takeoff (20) and described pump/motor (21) disconnects.
3. power coupling according to claim 2 and disengagement gear, is characterized in that, the transmission shaft of described power-transfer clutch (12) is connected with driving between described first axle (11); And/or the shell of described power-transfer clutch (12) and the housing (16) of described power takeoff (20) removably connect.
4. power coupling according to claim 2 and disengagement gear, is characterized in that, described transmission device is gear mechanism, driven be connected between described first axle (11) with described second axle (3) by described gear mechanism.
5. power coupling according to claim 4 and disengagement gear, is characterized in that, described gear mechanism is secondary transmission gear.
6. power coupling according to claim 2 and disengagement gear, is characterized in that, described second axle (3) is hollow castellated shaft, and the internal sleeve of described second axle (3) is provided with change speed gear box (23) axle drive shaft (4).
7. power coupling according to claim 3 and disengagement gear, is characterized in that, the transmission shaft of described power-transfer clutch (12) is connected with being driven by spline between described first axle (11).
8. a hybrid power system, is characterized in that, comprises the arbitrary described power coupling of driving engine (25), change speed gear box (23) and claim 1-7 and disengagement gear.
9. hybrid power system according to claim 8, it is characterized in that, second axle (3) of described power takeoff (20) and the axle drive shaft (4) of described change speed gear box (23) are connected with the dual output power-transfer clutch on described driving engine (25) simultaneously.
10. a hoisting crane, is characterized in that, comprises the hybrid power system described in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932788.XU CN205186117U (en) | 2015-11-20 | 2015-11-20 | Power coupling and separator , hybrid power system and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932788.XU CN205186117U (en) | 2015-11-20 | 2015-11-20 | Power coupling and separator , hybrid power system and hoist |
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| Publication Number | Publication Date |
|---|---|
| CN205186117U true CN205186117U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520932788.XU Active CN205186117U (en) | 2015-11-20 | 2015-11-20 | Power coupling and separator , hybrid power system and hoist |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329224A (en) * | 2015-11-20 | 2016-02-17 | 徐州重型机械有限公司 | Dynamic coupling and separating device, hybrid power system and crane |
| CN107601312A (en) * | 2017-07-20 | 2018-01-19 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
-
2015
- 2015-11-20 CN CN201520932788.XU patent/CN205186117U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329224A (en) * | 2015-11-20 | 2016-02-17 | 徐州重型机械有限公司 | Dynamic coupling and separating device, hybrid power system and crane |
| CN107601312A (en) * | 2017-07-20 | 2018-01-19 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
| CN107601312B (en) * | 2017-07-20 | 2019-06-11 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
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