CN204805505U - Transmission system of engineering machinery - Google Patents
Transmission system of engineering machinery Download PDFInfo
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- CN204805505U CN204805505U CN201520266442.0U CN201520266442U CN204805505U CN 204805505 U CN204805505 U CN 204805505U CN 201520266442 U CN201520266442 U CN 201520266442U CN 204805505 U CN204805505 U CN 204805505U
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Abstract
The utility model discloses a transmission system of engineering machinery. This transmission system includes: controlling means and clutch, controlling means is connected with the clutch electricity. Wherein, controlling means sends the off signal to clutch when the engineering machinery is in the idling state, clutch was when receiving this off signal, and the disconnection is connected with work systems's, stops to work systems output power. The utility model provides a power transmission system non -disconnectable's when the idling operating mode the problem of current engineering machinery. Furtherly, because when the idling state, the engine can break off with work systems, for example with shaft coupling, transmission shaft or hydraulic pump disconnection, unnecessary moment of resistance in the driving chain has been eliminated to practice thrift the fuel consumption of engineering machinery, reached energy saving and emission reduction's effect.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of transmission system of engineering machinery.
Background technique
Energy-saving and emission-reduction have become whole world common recognition.Engineering machinery, because its energy consumption is large, the activity duration is long, receives much concern in recent years, and current each large-engineering machinery manufacturer progressively carries out Construction Machinery Energy Saving emission reduction work.
At present, comprise truck crane, the engineering machinery transmission of excavator adopts structure shown in Fig. 1, Fig. 2 mostly.Fig. 1 shows the transmission system comprising motor 11, coupling 12, transmission shaft 13 and oil hydraulic pump 14.Fig. 2 shows the transmission system comprising motor 21, gearbox 22, coupling 23, transmission shaft 24 and oil hydraulic pump 25.Certainly, gearbox 22 can also comprise power take-off.Visible, the power transmission system of existing engineering machinery can not disconnect, and namely after engine start, namely whole Transmitted chains is in operating condition, and Transmitted chains refers to the transmission system from motor to oil hydraulic pump here.Such as, as shown in Figure 1, Transmitted chains is: motor 11-coupling 12-transmission shaft 13-oil hydraulic pump 14.Again such as, as shown in Figure 2: Transmitted chains is: motor 21-gearbox 22-coupling 23-transmission shaft 24-oil hydraulic pump 25.
Model utility content
Inventor of the present utility model finds, operationally, existing power transmission system can not disconnect engineering machinery, and when causing idling operation, driven by engine gearbox, coupling and oil hydraulic pump etc. flog a dead horse, and cause unnecessary fuel consumption.
The technical problem that the utility model needs solve is: the power transmission system of existing engineering machinery can not disconnect when idling operation.
According to first aspect of the present utility model, provide a kind of transmission system of engineering machinery, comprising: control gear, be electrically connected with engaging and disengaging gear, send cut-off signal when engineering machinery is in idling mode to described engaging and disengaging gear; Engaging and disengaging gear, when receiving described cut-off signal, disconnecting the connection with work system, stopping to work system outputting power.
Further, described control gear sends binding signal when described engineering machinery is in running order to described engaging and disengaging gear; Described engaging and disengaging gear, when receiving described binding signal, performs in conjunction with described work system, to described work system outputting power.
Further, the transmission system of described engineering machinery also comprises: handle condition checkout gear, is electrically connected with described control gear, obtains handle state, and by handle status signal transmission to described control gear; Wherein, the state of described control gear according to described handle state signal acquisition residing for engineering machinery.
Further, described handle condition checkout gear, when described engineering machinery exists multiple handle, obtains the state of described multiple handle, and by the status signal transmission of described multiple handle to described control gear; Wherein, described control gear obtains state residing for described engineering machinery according to the state signal of described multiple handle.
Further, described handle condition checkout gear is: angle transducer, pressure transducer or handle self.
Further, when the handle control mode of described engineering machinery is Mechanical course, described handle condition checkout gear is angle transducer, is arranged on handle, measures handle pendulum angle, and described handle pendulum angle is transferred to described control gear.
Further, when the handle control mode of described engineering machinery is hydraulic pilot valve control, described handle condition checkout gear is pressure transducer, is arranged on guide's oil circuit, measure the oil pressure of the hydraulic oil in described guide's oil circuit, and described oil pressure is transferred to described control gear.
Further, when the handle control mode of described engineering machinery is automatically controlled, described handle condition checkout gear is handle self, by the electric signal transmission of handle state to described control gear.
Further, described engaging and disengaging gear comprises: clutch actuator and clutch; Wherein, described clutch actuator is electrically connected with described control gear; Described clutch disconnects when receiving described cut-off signal by described clutch actuator; When receiving described binding signal, described clutch is combined.
In the utility model, cut-off signal is sent when engineering machinery is in idling mode to engaging and disengaging gear by control gear, engaging and disengaging gear is when receiving cut-off signal, disconnect the connection with work system, thus stopped motor and provide power to work system, solve power transmission system on-disconnectable problem when idling operation of existing engineering machinery.
Further, due to when idling mode, motor and work system can disconnect, such as disconnect with coupling, transmission shaft or oil hydraulic pump, eliminate resisting moment unnecessary in Transmitted chains, thus saved the fuel consume of engineering machinery, reach the effect of energy-saving and emission-reduction.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
What form a part for specification drawings describes embodiment of the present utility model, and together with the description for explaining principle of the present utility model.
With reference to accompanying drawing, according to detailed description below, clearly the utility model can be understood, wherein:
Fig. 1 is the anatomical connectivity schematic diagram of the transmission system that engineering machinery in prior art is shown.
Fig. 2 is the anatomical connectivity schematic diagram of the transmission system that engineering machinery in prior art is shown.
Fig. 3 is the anatomical connectivity schematic diagram of the transmission system of the engineering machinery illustrated according to some embodiments of the utility model.
Fig. 4 is the anatomical connectivity schematic diagram of the transmission system of the engineering machinery illustrated according to other embodiments of the utility model.
Fig. 5 is the flow chart of the controlling method of the transmission system of the engineering machinery illustrated according to some embodiments of the utility model.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Engineering machinery (such as truck crane, excavator etc.) is in operation process, there is idling operation (idling is the state that internal-combustion engine keeps the minimum running speed of setting) sometimes, namely operating grip is in meta (i.e. operating grip position in the raw), engine idle runs, complete machine not operation.Inventor of the present utility model finds, the work machine powertrains system generally adopted at present, because its power transmission system can not disconnect, when causing idling operation, driven by engine gearbox, coupling and oil hydraulic pump etc. flog a dead horse, and cause unnecessary fuel consumption.Particularly for truck crane, statistics shows that truck crane is in operation process, and idling accounts for 60% of the motor whole service time, reduces idling oil consumption and can effectively reduce overall operation oil consumption.Such as, inventor of the present utility model has carried out testing measuring to certain model 50 tons of truck crane fuel consumption, when driven by engine transmission system is idle, its fuel consumption is 3.86L/h, when after disconnection Transmitted chains, its fuel consumption is 1.93L/h, the half before the oil consumption namely disconnecting Transmitted chains rear engine is about off.
Fig. 3 is the anatomical connectivity schematic diagram of the transmission system of the engineering machinery illustrated according to some embodiments of the utility model.As shown in Figure 3, transmission system 30 comprises: control gear (being such as controller or control circuit) 301 and engaging and disengaging gear 302, this control gear 301 is electrically connected with engaging and disengaging gear 302.For illustrative purposes, also show motor 31 and work system 32 in Fig. 3, such as, work system 32 can comprise: coupling, transmission shaft and oil hydraulic pump etc.
Control gear 301 sends cut-off signal when engineering machinery is in idling mode to engaging and disengaging gear.
Engaging and disengaging gear 302, when receiving cut-off signal, disconnects the connection with work system, stops to work system outputting power.
In this embodiment, between motor and work system, engaging and disengaging gear is installed, cut-off signal is sent when engineering machinery is in idling mode to engaging and disengaging gear by control gear, engaging and disengaging gear is when receiving cut-off signal, disconnect the connection with work system, thus stopped motor and provide power to work system, solve power transmission system on-disconnectable problem when idling operation of existing engineering machinery.Further, due to when idling mode, motor and work system can disconnect, such as disconnect with coupling, transmission shaft or oil hydraulic pump, eliminate resisting moment unnecessary in Transmitted chains, thus saved the fuel consume of engineering machinery, reach the effect of energy-saving and emission-reduction.
In another embodiment, control gear sends binding signal when engineering machinery is in running order to engaging and disengaging gear; Engaging and disengaging gear, when receiving binding signal, performs in conjunction with work system, to work system outputting power.In this embodiment, by when engineering machinery is in running order, control gear sends binding signal to engaging and disengaging gear, and engaging and disengaging gear, according to binding signal, performs the operation in conjunction with work system, thus makes motor to work system outputting power.
Fig. 4 is the anatomical connectivity schematic diagram of the transmission system of the engineering machinery illustrated according to other embodiments of the utility model.As shown in Figure 4, transmission system 40 comprises: control gear 401 and engaging and disengaging gear 402.Engaging and disengaging gear 402 comprises: clutch actuator 4021 and clutch 4022.For illustrative purposes, also show motor 41, work system 42, gearbox 43 (such as, gearbox can also comprise power take-off) and handle 44 in Fig. 4.Work system 42 can comprise: coupling 421, transmission shaft 422 and oil hydraulic pump 423.Control gear 401, engaging and disengaging gear 402, motor 41, work system 42 are similar with the control gear 301 shown in Fig. 3, engaging and disengaging gear 302, motor 31, work system 32 respectively.
In embodiment of the present utility model, transmission system 40 also comprises: handle condition checkout gear 403, is electrically connected with control gear 401, obtains handle state, and by handle status signal transmission to control gear 401; Wherein, the state of control gear residing for handle state signal acquisition engineering machinery.Such as, according to handle state signal, control gear judges whether handle 44 is in meta, if handle 44 is in meta, then determine that engineering machinery is in idling mode, otherwise engineering machinery is in running order.In this embodiment, control gear obtains handle state by handle condition checkout gear, and whether be in meta according to handle condition adjudgement handle, and then whether be in meta according to handle and determine whether work mechanism is in idling mode, when judging that work mechanism is in idling mode, send cut-off signal, when judging that work mechanism is in running order to engaging and disengaging gear, send binding signal to engaging and disengaging gear, thus realize disconnection or the combination of motor and work system.
In another embodiment, handle condition checkout gear, when engineering machinery exists multiple handle, obtains the state of the plurality of handle, and by the status signal transmission of the plurality of handle to control gear; Wherein, the state of control gear residing for the state signal acquisition engineering machinery of the plurality of handle.Such as, according to the state signal of the plurality of handle, control gear judges whether the plurality of handle is all in meta, if the plurality of handle is all in meta, then determine that engineering machinery is in idling mode, otherwise engineering machinery is in running order.Such as, sometimes there is multiple handle in engineering machinery, for the situation that there is multiple handle, corresponding handle state can be obtained by corresponding each handle by a handle condition checkout gear, thus obtaining the state of the plurality of handle, control gear carries out judgement to determine whether engineering machinery is in idling mode to the state of the plurality of handle.
In embodiment of the present utility model, handle condition checkout gear can be: angle transducer, pressure transducer or handle self.Current engineering machinery handle control mode has three kinds, is respectively: Mechanical course, hydraulic pilot valve control and automatically controlled.The handle of mechanical control method realizes control operation by swing handle angle, therefore can obtain handle pendulum angle as handle condition checkout gear by use angle sensor, thus obtains handle state.The handle of hydraulic pilot valve control mode controls actuator by the hydraulic oil pressure controlled in guide's oil circuit, therefore can use pressure transducer as handle condition checkout gear to obtain the oil pressure in guide's oil circuit, thus obtain handle state.For the handle of automatically controlled mode, because the operation electrical signal of handle or state electrical signal are input to control gear, therefore handle self can as handle condition checkout gear.
In one embodiment, when the handle control mode of engineering machinery is Mechanical course, handle condition checkout gear can be angle transducer, and this angle transducer is arranged on handle, measure handle pendulum angle, and this handle pendulum angle is transferred to control gear.Wherein, control gear, when handle pendulum angle is 0 degree, determines that handle is in meta.If handle pendulum angle is not 0 degree, then determine that handle is not in meta.
In another embodiment, when the handle control mode of engineering machinery is hydraulic pilot valve control, handle condition checkout gear can be pressure transducer, and this pressure transducer is arranged on guide's oil circuit, measure the oil pressure of the hydraulic oil in guide's oil circuit, and this oil pressure is transferred to control gear.Wherein, control gear, when this oil pressure is 0bar (bar), determines that handle is in meta.If this oil pressure is not 0bar, then determine that handle is not in meta.
In another embodiment, when the handle control mode of engineering machinery is automatically controlled, handle condition checkout gear is handle self, by the electric signal transmission of handle state to control gear.Wherein, control gear, when this electrical signal is 0 volt, determines that handle is in meta.If this electrical signal is not 0 volt, then determine that handle is not in meta.
In embodiment of the present utility model, as shown in Figure 4, engaging and disengaging gear 402 comprises: clutch actuator 4021 and clutch 4022; Wherein, clutch actuator 4021 is electrically connected with control gear 401; Clutch 4022 disconnects when receiving cut-off signal by clutch actuator 4021; When receiving binding signal, clutch 4022 is combined.In one embodiment, clutch can be arranged between motor and work system, such as, is arranged between motor and coupling, and the Transmitted chains of formation is such as: motor-clutch-coupling-transmission shaft-oil hydraulic pump.In another embodiment, clutch can be arranged between gearbox and work system, and such as, between gearbox and coupling, the Transmitted chains of formation is such as: engine-gearbox-clutch-coupling-transmission shaft-oil hydraulic pump.Certainly, it will be understood by those skilled in the art that the mounting point of clutch can also be other positions, as long as can play disconnection and the effect in conjunction with work system, therefore, scope of the present utility model is not limited in this.
Such as, clutch can be mechanical clutch or electromagnetic clutch.Mechanical clutch on clutch hold-down mechanism, makes clutch active part be combined with secondary part or disconnect by mechanical handling structure function, and mechanical handling structure can be linkage mechanism.The final controlling element of mechanical clutch can be cylinder or oil cylinder.Electromagnetic clutch is combined with secondary part by the active part of solenoid controlled clutch or is disconnected.The final controlling element of electromagnetic clutch can be clutch power switch.
In one embodiment, transmission system can also comprise: protective gear, for making work system resident when work system runs out of steam.Such as, when weight sling by hoist, in the process of slinging, motor runs out of steam to work system, and at this moment protective gear can make work system stop and resident, thus prevents weight-drop and causes the accident.In another embodiment, work system also can comprise: additional power system (such as electric power system), when motor runs out of steam to work system, additional power system provides power for work system, prevents the accident that may cause owing to running out of steam suddenly.
Fig. 5 is the flow chart of the controlling method of the transmission system of the engineering machinery illustrated according to some embodiments of the utility model.
In step S501, control gear sends cut-off signal when engineering machinery is in idling mode to engaging and disengaging gear.
In step S502, engaging and disengaging gear, when receiving cut-off signal, disconnects the connection with work system, stops to work system outputting power.
In this embodiment, cut-off signal is sent when engineering machinery is in idling mode to engaging and disengaging gear by control gear, engaging and disengaging gear is when receiving cut-off signal, disconnect the connection with work system, thus stopped motor and provide power to work system, solve power transmission system on-disconnectable problem when idling operation of existing engineering machinery.Further, due to when idling mode, motor and work system can disconnect, such as disconnect with coupling, transmission shaft or oil hydraulic pump, eliminate resisting moment unnecessary in Transmitted chains, thus saved the fuel consume of engineering machinery, reach the effect of energy-saving and emission-reduction.
In another embodiment, controlling method can also comprise: control gear sends binding signal when engineering machinery is in running order to engaging and disengaging gear; Engaging and disengaging gear, when receiving binding signal, performs in conjunction with work system, to work system outputting power.In this embodiment, by when engineering machinery is in running order, control gear sends binding signal to engaging and disengaging gear, and engaging and disengaging gear, according to binding signal, performs the operation in conjunction with work system, thus makes motor to work system outputting power.
In embodiment of the present utility model, engaging and disengaging gear comprises: clutch actuator and clutch; Engaging and disengaging gear, when receiving cut-off signal, disconnects the connection with work system, stops to work system outputting power; Or engaging and disengaging gear is when receiving binding signal, perform in conjunction with work system, the step to work system outputting power comprises: clutch disconnects when receiving cut-off signal by clutch actuator; When receiving binding signal, clutch is combined.
In embodiment of the present utility model, before control gear sends cut-off signal when engineering machinery is in idling mode to engaging and disengaging gear, or before control gear sends binding signal when engineering machinery is in running order to engaging and disengaging gear, controlling method can also comprise: handle condition checkout gear obtains handle state, and by handle status signal transmission to control gear, wherein, the state of control gear residing for handle state signal acquisition engineering machinery.Such as, according to this handle state signal, control gear judges whether handle is in meta, if handle is in meta, then determine that engineering machinery is in idling mode, otherwise engineering machinery is in running order.
In embodiment of the present utility model, before control gear sends cut-off signal when engineering machinery is in idling mode to engaging and disengaging gear, or before control gear sends binding signal when engineering machinery is in running order to engaging and disengaging gear, controlling method can also comprise: handle condition checkout gear is when engineering machinery exists multiple handle, obtain the state of the plurality of handle, and by the status signal transmission of the plurality of handle to control gear; Wherein, the state of control gear residing for the state signal acquisition engineering machinery of the plurality of handle.Such as, according to the state signal of the plurality of handle, control gear judges whether the plurality of handle is all in meta, if the plurality of handle is all in meta, then determine that engineering machinery is in idling mode, otherwise engineering machinery is in running order.
In one embodiment, when the handle control mode of engineering machinery is Mechanical course, handle condition checkout gear is angle transducer; Handle condition checkout gear obtains handle state, and by handle status signal transmission to control gear; Wherein, according to handle state signal, control gear judges that the step whether handle is in meta comprises: handle pendulum angle measured by angle transducer, and this handle pendulum angle is transferred to control gear; Wherein, control gear, when this handle pendulum angle is 0 degree, determines that handle is in meta.If handle pendulum angle is not 0 degree, then determine that handle is not in meta.
In another embodiment, when the handle control mode of engineering machinery is hydraulic pilot valve control, handle condition checkout gear is pressure transducer; Handle condition checkout gear obtains handle state, and by handle status signal transmission to control gear; Wherein, according to handle state signal, control gear judges that the step whether handle is in meta comprises: the oil pressure of the hydraulic oil in guide's oil circuit measured by pressure transducer, and this oil pressure is transferred to control gear; Wherein, control gear, when this oil pressure is 0bar, determines that handle is in meta.If this oil pressure is not 0bar, then determine that handle is not in meta.
In another embodiment, when the handle control mode of engineering machinery is automatically controlled, handle condition checkout gear is handle self; Handle condition checkout gear obtains handle state, and by handle status signal transmission to control gear; Wherein, according to handle state signal, control gear judges that the step whether handle is in meta comprises: handle by the electric signal transmission of handle state to control gear; Wherein, control gear, when this electrical signal is 0 volt, determines that handle is in meta.If this electrical signal is not 0 volt, then determine that handle is not in meta.
The utility model can be applied in hoist and Other Engineering mechanically (such as excavator etc.), and its Main Function is incorporation engineering mechanical work feature, reduces the fuel consumption of engineering machinery under idling operation.Such as, judge whether work machine operation handle is in meta (namely whether complete machine is in idling mode) by control gear, and to disconnect timely or in conjunction with the clutch in Transmitted chains, eliminate the resisting moment that in Transmitted chains, gearbox, power take-off, coupling, transmission shaft, oil hydraulic pump etc. produce motor, thus fuel consumption when reducing engine idle, and when handle is touched, recovers transmission system in time and connect, restore engineering mechanical work state.
So far, the utility model is described in detail.In order to avoid covering design of the present utility model, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technological scheme disclosed herein completely.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (9)
1. a transmission system for engineering machinery, is characterized in that, comprising:
Control gear, is electrically connected with engaging and disengaging gear, sends cut-off signal when engineering machinery is in idling mode to described engaging and disengaging gear;
Engaging and disengaging gear, when receiving described cut-off signal, disconnecting the connection with work system, stopping to work system outputting power.
2. the transmission system of engineering machinery according to claim 1, is characterized in that,
Described control gear sends binding signal when described engineering machinery is in running order to described engaging and disengaging gear;
Described engaging and disengaging gear, when receiving described binding signal, performs in conjunction with described work system, to described work system outputting power.
3. the transmission system of engineering machinery according to claim 2, is characterized in that, also comprise:
Handle condition checkout gear, is electrically connected with described control gear, obtains handle state, and by handle status signal transmission to described control gear;
Wherein, the state of described control gear according to described handle state signal acquisition residing for engineering machinery.
4. the transmission system of engineering machinery according to claim 3, is characterized in that,
Described handle condition checkout gear, when described engineering machinery exists multiple handle, obtains the state of described multiple handle, and by the status signal transmission of described multiple handle to described control gear;
Wherein, described control gear obtains state residing for described engineering machinery according to the state signal of described multiple handle.
5. the transmission system of engineering machinery according to claim 3 or 4, is characterized in that,
Described handle condition checkout gear is: angle transducer, pressure transducer or handle self.
6. the transmission system of engineering machinery according to claim 5, is characterized in that,
When the handle control mode of described engineering machinery is Mechanical course,
Described handle condition checkout gear is angle transducer, is arranged on handle, measures handle pendulum angle, and described handle pendulum angle is transferred to described control gear.
7. the transmission system of engineering machinery according to claim 5, is characterized in that,
When the handle control mode of described engineering machinery is hydraulic pilot valve control,
Described handle condition checkout gear is pressure transducer, is arranged on guide's oil circuit, measures the oil pressure of the hydraulic oil in described guide's oil circuit, and described oil pressure is transferred to described control gear.
8. the transmission system of engineering machinery according to claim 5, is characterized in that,
When the handle control mode of described engineering machinery is automatically controlled,
Described handle condition checkout gear is handle self, by the electric signal transmission of handle state to described control gear.
9. the transmission system of engineering machinery according to claim 2, is characterized in that,
Described engaging and disengaging gear comprises: clutch actuator and clutch;
Wherein, described clutch actuator is electrically connected with described control gear;
Described clutch disconnects when receiving described cut-off signal by described clutch actuator; When receiving described binding signal, described clutch is combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520266442.0U CN204805505U (en) | 2015-04-28 | 2015-04-28 | Transmission system of engineering machinery |
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| CN201520266442.0U CN204805505U (en) | 2015-04-28 | 2015-04-28 | Transmission system of engineering machinery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151494A (en) * | 2015-04-28 | 2016-11-23 | 徐工集团工程机械股份有限公司 | The drive system of a kind of engineering machinery and control method thereof |
| CN113774981A (en) * | 2020-07-14 | 2021-12-10 | 徐州徐工挖掘机械有限公司 | Energy-saving control method and device for power system and excavator |
-
2015
- 2015-04-28 CN CN201520266442.0U patent/CN204805505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151494A (en) * | 2015-04-28 | 2016-11-23 | 徐工集团工程机械股份有限公司 | The drive system of a kind of engineering machinery and control method thereof |
| CN113774981A (en) * | 2020-07-14 | 2021-12-10 | 徐州徐工挖掘机械有限公司 | Energy-saving control method and device for power system and excavator |
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