CN104864056A - Engineering machine and power mechanism thereof - Google Patents
Engineering machine and power mechanism thereof Download PDFInfo
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- CN104864056A CN104864056A CN201510226632.4A CN201510226632A CN104864056A CN 104864056 A CN104864056 A CN 104864056A CN 201510226632 A CN201510226632 A CN 201510226632A CN 104864056 A CN104864056 A CN 104864056A
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- prime mover
- load
- power mechanism
- flying wheel
- bearing component
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
- F16H33/02—Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The application discloses a power mechanism. The power mechanism comprises a prime motor and a load-bearing part working under the drive of the prime motor and further comprises a flywheel which is connected with prime motor and/or the load-bearing part by means of transmission parts and rotates with the prime motor and the load-bearing part synchronously. The power mechanism has following beneficial effects: by additionally arranging the flywheel, the prime motor is enabled to work in an area with high efficiency and low energy consumption for a long time, thereby avoiding the occurrence that the prime motor works with frequent and variable load; and reliability of the prime motor is improved and energy consumption is reduced.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly, relate to a kind of power mechanism, the invention still further relates to a kind of engineering machinery with above-mentioned power mechanism.
Background technique
Engineering machinery is restoration in earth-rock construction, pavement construction and the necessary mechanized equipment of comprehensive mechanized construction engineering such as maintenance, flowing type lift, is widely used in the engineering fields such as building, water conservancy, electric power, road, mine, harbour and national defence.
Because the operating mode of field operation is complicated and changeable, so engineering machinery often faces the change of working state, and this change can damage engineering machinery itself, such as when Working mechanism is subject to extraneous instantaneous large load impacting, impulsive load feeds back to prime mover of engineering machinery, and the passive change working state of prime mover (as rotating speed, power and moment of torsion) meets the needs of operation.If prime mover works for a long time under variable working condition state, the functional reliability of prime mover will be reduced, nor energy-conservation.
In addition, in the ordinary course of things, artificer is to select the model of prime mover according to the maximum resistance square required by various working condition, the shortcoming of such design selection is: one, engineering machinery not operation under the operating mode of maximum resistance square all the time, when the resisting moment of operation is less, the full power of prime mover can not get playing, and causes power dissipation; They are two years old, when the operating mode down conversion work of operation resisting moment frequently at maximum resistance square and minimum drag square, prime mover is for complying with load variations, operation point changes always in its spread in performance, most of the time is not be operated in the most effective point of prime mover and energy consumption minimum point, causes the Economy of work poor like this.
Therefore, how optimizing the working effect of prime mover further, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of power mechanism, this power mechanism, by setting up flying wheel, makes the working effect of prime mover obtain and further optimizes.Present invention also offers a kind of engineering machinery with above-mentioned power mechanism.
In order to achieve the above object, the invention provides following technological scheme:
A kind of power mechanism, the load-bearing component comprising prime mover and work under described prime mover driven, it is also comprised and being connected with described prime mover and/or described load-bearing component by transmission part, and with described prime mover and the synchronous operated flying wheel of described load-bearing component.
Preferably, in above-mentioned power mechanism, described prime mover, described load-bearing component are connected in the mode of tandem drive with described flying wheel.
Preferably, in above-mentioned power mechanism, on the direction of transmission of power, described load-bearing component is arranged on the upstream of described flying wheel.
Preferably, in above-mentioned power mechanism, on the direction of transmission of power, described load-bearing component is arranged on the downstream of described flying wheel.
Preferably, in above-mentioned power mechanism, described prime mover is arranged between flying wheel and described load-bearing component.
Preferably, in above-mentioned power mechanism, described load-bearing component and described flying wheel are arranged in the mode of parallel connection transmission.
Preferably, in above-mentioned power mechanism, also comprise the clutch being arranged on described flying wheel upstream, described clutch connects with the transmission part being connected described flying wheel.
Present invention also offers a kind of engineering machinery, it comprises power mechanism, and this power mechanism is the power mechanism described in above-mentioned any one.
Power mechanism provided by the invention, compared with the traditional power mechanism in engineering machinery, has set up flying wheel.This flying wheel can be arranged on the end of power mechanism, is connected with load-bearing component by transmission part, and is operated by the transmission of load-bearing component; Also can be arranged on the centre of power mechanism, directly be connected with prime mover transmission part, operate under the drive of prime mover, then by transmission of power in the load-bearing component in downstream; Can also transmission part being utilized, between prime mover and load-bearing component, drawing a transmission branch road, for realizing the transmission of power between prime mover and flying wheel.No matter flying wheel is arranged in power mechanism by which kind of mode above-mentioned, all keeps run-in synchronism with prime mover and load-bearing component.
This power mechanism operationally, when prime mover driven power is greater than the power required for load-bearing component, prime mover accelerates to rotate together with load-bearing component, under the drive of transmission part, flying wheel is made also to accelerate to rotate, promote the rotational kinetic energy of flying wheel with this, the part excess energy of prime mover is transferred in the wheel of free-wheel, and is stored in flying wheel with the form of rotational kinetic energy.When the driving power of prime mover is less than the power needed for load-bearing component, prime mover reduces rotating speed together with load-bearing component, under the drive of transmission part, also make the rotating speed of flying wheel reduce, thus make flying wheel discharge kinetic energy, and the kinetic energy of release is passed in load-bearing component by transmission part, to realize the output energy supposition of energy and the prime mover shifted, thus make up the deficiency that prime mover exports energy, while guaranteeing that operation is normally carried out, reduce the frequency that prime mover changes working state, reduce the fluctuation of original machine power in certain power range.Power mechanism provided by the invention, by setting up flying wheel, can make prime mover work long hours at high efficiency and energy consumption low area, avoiding prime mover at frequently changeable work under load, thus improve prime mover reliability, reduce energy consumption.In addition, power mechanism provided by the invention, structure is simple, compact, is convenient to install, and setting type is diversified, can adapt to selecting of different type of machines; Because power mechanism provided by the invention can realize good energy-saving effect, so engineering machinery can select relatively low power prime mover when designing, thus reduce the manufacture cost of equipment; This kind realizes the mode of load average by mechanical structure, and compared with the mode of electronic or hydraulic pressure average load, efficiency is higher, and energy loss is less.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The principle schematic of the different set-up mode of power mechanism that Fig. 1-Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is the schematic diagram of a kind of specific implementation form of power mechanism.
In Fig. 1-Fig. 6:
Prime mover 1, load-bearing component 2, transmission part 3, flying wheel 4, clutch 5, load 6;
Hydraulic-pressure pump assembly 201, gear-box 301, transmission shaft 302.
Embodiment
The invention provides a kind of power mechanism, this power mechanism, by setting up flying wheel, makes the working effect of prime mover obtain and further optimizes.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-Figure 5, the power mechanism that the embodiment of the present invention provides, be applied to engineering machinery, this power mechanism is except prime mover 1, (this load-bearing component 2 refers to the parts bearing external loading with the load-bearing component 2 worked under prime mover 1 driving, itself also can think the load of prime mover 1) beyond, also comprise flying wheel 4, the set-up mode of this flying wheel 4 in power mechanism can have multiple, such as flying wheel 4 is arranged between prime mover 1 and load-bearing component 2, flying wheel 4 is arranged on load-bearing component 2 downstream, prime mover 1 is arranged between flying wheel 4 and load-bearing component 2, utilize transmission part 3 that the modes such as the transmission branch road of flying wheel 4 are set from drawing one between prime mover 1 and load-bearing component 2.Further, which kind of mode no matter flying wheel 4 adopt arrange, its all with prime mover 1 and load-bearing component 2 run-in synchronism.
The working method of power mechanism is: when prime mover 1 driving power is greater than load-bearing component 2 (or being called load) power demand, the rotating speed of prime mover 1 and load-bearing component 2 promotes, drive flying wheel 4 to accelerate to rotate simultaneously, make the rotational kinetic energy of flying wheel 4 increase, the excess energy that prime mover 1 is exported is stored in flying wheel 4 in the mode of rotational kinetic energy.When the driving power of prime mover 1 is less than load-bearing component 2 power demand, namely when prime mover 1 output power is not enough, prime mover 1 and load-bearing component 2 rotating speed reduce, also reduce to make the rotating speed of flying wheel 4, now flying wheel 4 will discharge kinetic energy, the energy discharged will be transmitted parts 3 and be passed in load-bearing component 2, to compensate the energy shortage of prime mover 1, while making load-bearing component 2 obtain sufficient power, can also ensure that the working state of prime mover 1 big ups and downs can not occur, make it work in good economic district.Therefore, power mechanism is by the energy of automatically handling up of inertial device, the phenomenon effectively preventing prime mover 1 to cause operation point frequently to change because of the sudden change of extraneous load 6, makes the work that prime mover 1 can be more stable, thus reaches energy-conservation and ensure the object of prime mover 1 functional reliability.
In order to further optimisation technique scheme, in the power mechanism that the present embodiment provides, prime mover 1, load-bearing component 2 are connected in the mode of tandem drive with flying wheel 4, as shown in Figure 1, Figure 2 and Figure 3.The design principle of the power mechanism that this enforcement provides sets up flying wheel 4 in traditional power mechanism, and this flying wheel 4 can stored energy under the drive of prime mover 1, also can release energy, and provides sufficient power to help prime mover 1 to load-bearing component 2.Therefore, under the prerequisite that can realize above-mentioned purpose, the set-up mode of power mechanism can be multiple, the mode of wherein tandem drive at least comprise as shown in Figure 1, Figure 2 with three kinds of modes of Fig. 3.
As shown in Figure 1, wherein a kind of tandem drive mode is: on the direction of transmission of power, and load-bearing component 2 is arranged on the upstream of flying wheel 4.This kind of set-up mode operationally, make prime mover 1 Direct driver load-bearing component 2, pass through load-bearing component 2 again by transmission of power in flying wheel 4, when prime mover 1 has unnecessary output energy, by power transmission, be stored in the flying wheel 4 of high speed rotating, when prime mover 1 exports energy shortage, prime mover 1 and load-bearing component 2 drive flying wheel 4 to reduce rotating speed, and the energy in flying wheel 4 is passed in load-bearing component 2 by transmission part 3, to supplement its energy ezpenditure.
As shown in Figure 2, another kind of tandem drive mode is: on the direction of transmission of power, and load-bearing component 2 is arranged on the downstream of flying wheel 4.The power of this kind of set-up mode prime mover 1 is first passed in flying wheel 4, then is reached in load-bearing component 2 by flying wheel 4.
As shown in Figure 3, the mode of another tandem drive is: prime mover 1 is arranged between flying wheel 4 and load-bearing component 2, namely flying wheel 4 and load-bearing component 2 are separately positioned on the both sides of prime mover 1, prime mover 1 is simultaneously to both direction transferring power, the power in one of them direction directly reaches in load-bearing component 2, the power in another direction is then passed in flying wheel 4 and stores, when prime mover 1 exports energy shortage, energy is transmitted back to prime mover 1 by falling slow-revving mode by flying wheel 4 again, and the energy supposition that produce own with prime mover 1, load-bearing component 2 is together driven to work.
The power mechanism that the present embodiment provides is except adopting the set-up mode of above-mentioned tandem drive, and load-bearing component 2 and flying wheel 4 can also be arranged in the mode of parallel connection transmission, as shown in Figure 4 and Figure 5.The mode that this kind is arranged in parallel, namely above in mention utilize transmission part 3 from drawing a mode arranging the transmission branch road of flying wheel 4 between prime mover 1 and load-bearing component 2, load-bearing component 2 and flying wheel 4 can be made like this to lay respectively on different transmission branch roads, thus both orders are operationally independent of each other, and are preferred arrangement.
In the power mechanism that the present embodiment provides, also comprise the clutch 5 being arranged on flying wheel 4 upstream, this clutch 5 connects with the transmission part 3 being connected flying wheel 4.The reason arranging clutch 5 is: when prime mover 1 is in startup and stopped process, the output power of prime mover 1 is less, consider that the burden that it drives flying wheel 4 to rotate is larger, so need to throw off with flying wheel 4 to be connected, be connected with flying wheel 4 again when prime mover 1 starts normally, be therefore provided with clutch 5.
In order to understand the power mechanism that the application provides more clearly, the present embodiment, for a kind of concrete power mechanism set-up mode, carries out more specifically bright to the design principle of power mechanism:
As shown in Figure 6, this total output mechanism comprises prime mover 1, gear-box 301, transmission shaft 302, clutch 5, flying wheel 4, hydraulic-pressure pump assembly 201 and load 6, wherein gear-box 301 and transmission shaft 302 are transmission part 3, hydraulic-pressure pump assembly 201 is load-bearing component 2, its working procedure is: in operation, prime mover 1 by gear-box 301 and transmission shaft 302 respectively by transmission of power in flying wheel 4 and hydraulic-pressure pump assembly 201, flying wheel 4 and hydraulic-pressure pump assembly 201 are operated, when prime mover 1 driving power is greater than the power demand of hydraulic-pressure pump assembly 201, prime mover 1 accelerates to rotate together with the main pump of hydraulic-pressure pump assembly 201, increase at the drive of gear-box 301 and transmission shaft 302 flying wheel 4 rotating speed of ordering simultaneously, by increasing the rotating speed of flying wheel 4, the part excess energy of prime mover 1 is made to transfer in flying wheel 4, and be stored in flying wheel 4 with the form of rotational kinetic energy.Driving power once prime mover 1 is less than the power demand of hydraulic-pressure pump assembly 201, prime mover 1 reduces rotating speed together with the main pump of hydraulic-pressure pump assembly 201, make flying wheel 4 reduce rotating speed simultaneously, release kinetic energy, and the kinetic energy reduced is transferred in hydraulic-pressure pump assembly 201 by clutch 5, gear-box 301 and transmission shaft 302, the energy supposition that the energy of transfer and prime mover 1 export, make up the deficiency that prime mover 1 exports energy, guarantee that operation is normally carried out, hydraulic-pressure pump assembly 201 can normally be worked.
Based on the power mechanism provided in above-described embodiment, the embodiment of the present invention additionally provides a kind of engineering machinery, and this project machinery has the power mechanism provided in above-described embodiment.
The power mechanism that have employed above-described embodiment provide because this project is mechanical, so the beneficial effect that this project machinery is brought by power mechanism please refer to corresponding part in above-described embodiment, does not repeat them here.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment remaining identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a power mechanism, the load-bearing component comprising prime mover and work under described prime mover driven, it is characterized in that, also comprise and being connected with described prime mover and/or described load-bearing component by transmission part, and with described prime mover and the synchronous operated flying wheel of described load-bearing component.
2. power mechanism according to claim 1, is characterized in that, described prime mover, described load-bearing component are connected in the mode of tandem drive with described flying wheel.
3. power mechanism according to claim 2, is characterized in that, on the direction of transmission of power, described load-bearing component is arranged on the upstream of described flying wheel.
4. power mechanism according to claim 2, is characterized in that, on the direction of transmission of power, described load-bearing component is arranged on the downstream of described flying wheel.
5. power mechanism according to claim 2, is characterized in that, described prime mover is arranged between flying wheel and described load-bearing component.
6. power mechanism according to claim 1, is characterized in that, described load-bearing component and described flying wheel are arranged in the mode of parallel connection transmission.
7. according to the power mechanism in claim 1-6 described in any one, it is characterized in that, also comprise the clutch being arranged on described flying wheel upstream, described clutch connects with the transmission part being connected described flying wheel.
8. an engineering machinery, comprises power mechanism, it is characterized in that, described power mechanism is for as the power mechanism in claim 1-7 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226632.4A CN104864056A (en) | 2015-05-06 | 2015-05-06 | Engineering machine and power mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226632.4A CN104864056A (en) | 2015-05-06 | 2015-05-06 | Engineering machine and power mechanism thereof |
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| CN104864056A true CN104864056A (en) | 2015-08-26 |
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| CN201510226632.4A Pending CN104864056A (en) | 2015-05-06 | 2015-05-06 | Engineering machine and power mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247510A (en) * | 2019-07-12 | 2019-09-17 | 利莱森玛电机科技(福州)有限公司 | A kind of simple system for generator sudden unloading process load testing |
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| CN2622484Y (en) * | 2003-06-20 | 2004-06-30 | 张金利 | Energy-saving boosting device |
| CN101509542A (en) * | 2009-03-30 | 2009-08-19 | 彭明山 | Fly wheel start-up boosting system |
| JP2013213579A (en) * | 2012-03-06 | 2013-10-17 | Toyota Motor Corp | Variable inertial mass flywheel and starting device for internal combustion engine |
| CN103758968A (en) * | 2014-01-21 | 2014-04-30 | 武汉理工大学 | Flywheel energy storage device and rail guided trolley running mechanism with same |
| CN103998744A (en) * | 2011-09-29 | 2014-08-20 | 盖茨公司 | Flywheel hybrid system |
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2015
- 2015-05-06 CN CN201510226632.4A patent/CN104864056A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622484Y (en) * | 2003-06-20 | 2004-06-30 | 张金利 | Energy-saving boosting device |
| CN101509542A (en) * | 2009-03-30 | 2009-08-19 | 彭明山 | Fly wheel start-up boosting system |
| CN103998744A (en) * | 2011-09-29 | 2014-08-20 | 盖茨公司 | Flywheel hybrid system |
| JP2013213579A (en) * | 2012-03-06 | 2013-10-17 | Toyota Motor Corp | Variable inertial mass flywheel and starting device for internal combustion engine |
| CN103758968A (en) * | 2014-01-21 | 2014-04-30 | 武汉理工大学 | Flywheel energy storage device and rail guided trolley running mechanism with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247510A (en) * | 2019-07-12 | 2019-09-17 | 利莱森玛电机科技(福州)有限公司 | A kind of simple system for generator sudden unloading process load testing |
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Application publication date: 20150826 |