CN103046507B - Driving mechanism for equipment - Google Patents
Driving mechanism for equipment Download PDFInfo
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- CN103046507B CN103046507B CN201210574668.8A CN201210574668A CN103046507B CN 103046507 B CN103046507 B CN 103046507B CN 201210574668 A CN201210574668 A CN 201210574668A CN 103046507 B CN103046507 B CN 103046507B
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- clutch
- driving mechanism
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Abstract
The invention discloses a driving mechanism for equipment. The driving mechanism comprises an engine (15) and a diaphragm type clutch (11) in sequential connection and further comprises a transmission portion, a centrifugal clutch (4) and a linkage portion in sequential connection. A power input end of the transmission portion is connected with a power output end of the diaphragm type clutch (11), and the linkage portion is connected with an executive mechanism of the equipment. The driving mechanism for the equipment enables the equipment to start stably, and the driving mechanism is applicable to the operating condition of proneness to engine stalling caused by large inertia of driven parts.
Description
Technical field
The present invention relates to mechanical field, particularly, relate to a kind of driving mechanism of equipment.
Background technology
Driving some dynamic moment of inertia J to be used to larger mechanism, the such as blower fan of large-scale snow blowing truck, often can there is slipping of clutch scaling loss and even impact the problems such as the engine misses caused due to startup in driving mechanism.For large-scale snow blowing truck, see Fig. 1, at present for driving the conventional driving mechanism of large fan to be roughly made up of the motor 5a connected successively, clutch 4a, gearbox 3a and shaft coupling 2a, shaft coupling 2a connects the power output shaft of gearbox 3a and the power input shaft of blower fan 1a thus drives blower fan 1a to rotate to blower fan 1a the power transmission of driving mechanism.Wherein, clutch 4a is mostly diaphragm clutch, realize joint between driving disc spacing pressing with clutch plate by spring etc. and be separated, thus control whether by the power transmission of motor 5a to gearbox 3a, when motor 5a starts, driving disc spacing pressing is separated with clutch plate, clutch plate does not rotate with driving disc spacing pressing, motor 5a No Load Start, until motor 5a reach stable state after clutch plate and driving disc spacing pressing engaged by spring, due to the clutch plate of diaphragm clutch and the engaging time t of driving disc spacing pressing very of short duration, thus the engaging force between clutch plate and driving disc spacing pressing increases instantaneously, thus be equivalent to executing agency and larger load is loaded instantaneously to driving mechanism, because when executing agency is relatively large blower fan 1a, dynamic moment of inertia is larger, make driving mechanism produce larger startup to impact, wear and tear to make the diaphragm of clutch 4a, in addition motor 5a power output in the idling state and moment of torsion all less, thus motor 5a even can be caused to stop working.
Summary of the invention
The object of this invention is to provide a kind of driving mechanism of equipment, this driving mechanism can make this equipment smooth starting.
To achieve these goals, the invention provides a kind of driving mechanism of equipment, this driving mechanism comprises the motor and diaphragm clutch that connect successively, and, this driving mechanism also comprise connect successively driving section, centrifugal clutch and connection part, the power intake of described driving section is connected with the clutch end of described diaphragm clutch, and described connection part is connected with the executing agency of described equipment.
Preferably, described driving section comprises speed increaser.
Preferably, the clutch end of described diaphragm clutch comprises power output shaft, described driving section also comprises the first shaft coupling, and one end of this first shaft coupling is connected with the power input shaft of described speed increaser, and the other end is connected with the power output shaft of described diaphragm clutch.
Preferably, described first shaft coupling is universal coupling with spider.
Preferably, the power output shaft of described speed increaser is connected with the driving link of described centrifugal clutch.
Preferably, described diaphragm clutch comprises the driving disc spacing pressing rotated by described driven by engine, the clutch plate that can be engaged by spring compression friction plate with described driving disc spacing pressing and the fork for separating of described driving disc spacing pressing and described clutch plate, and described clutch plate is connected with the described power output shaft of described diaphragm clutch.
Preferably, described connection part comprises the second shaft coupling, and one end of described second shaft coupling is connected with the power output shaft of described centrifugal clutch, and the other end is connected with the main shaft of described executing agency.
Preferably, described second shaft coupling is diaphratic elastic coupling, and the elastic body of described diaphratic elastic coupling is nonmetals elastic body.
Preferably, described executing agency is blower fan.
Preferably, described equipment is snow blowing truck.
Pass through technique scheme, during driving mechanism driving executing agency of the present invention, owing to adopting diaphragm clutch, the idling that thus can realize motor starts, and the power that diaphragm clutch exports transfers to executing agency by centrifugal clutch, because the torque of centrifugal clutch transmission is proportional to rotating speed, thus, the load being equivalent to executing agency is loaded on diaphragm clutch and motor gradually, thus, avoid diaphragm clutch and motor to be subject to larger startup to impact, the diaphragm spring of diaphragm clutch is not easy to wear, also not easily there is the situation of stopping working in motor, thus the smooth starting of effective guarantee equipment, further, when shutting down when motor, can play by diaphragm clutch the effect that unloading stops motor, motor and diaphragm clutch are all played a protective role.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the snow blowing truck according to prior art.
Fig. 2 is the structural representation of display according to the driving mechanism of equipment of the present invention.
Description of reference numerals
The shaft coupling of the snow blowing truck of the blower fan 2a prior art of the snow blowing truck of 1a prior art
The clutch of the snow blowing truck of the speed changer 4a prior art of the snow blowing truck of 3a prior art
The motor of the snow blowing truck of 5a prior art
1 blower fan 2 main shaft 3 second shaft coupling
4 centrifugal clutch 5 driven member 6 driving links
7 speed increaser 8 first shaft couplings
The power output shaft of 9 diaphragm clutches
10 housing 11 diaphragm clutch 12 driving disc spacing pressings
13 clutch plate 14 flywheel 15 motors
The power output shaft of power input shaft 17 speed increaser of 16 speed increasers
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The motor 15 and diaphragm clutch 11 that connect successively is comprised according to the driving mechanism of equipment of the present invention, and, this driving mechanism also comprise connect successively driving section, centrifugal clutch 4 and connection part, the power intake of described driving section is connected with the clutch end of described diaphragm clutch 11, and described connection part is connected with the executing agency of described equipment.
In the equipment such as such as snow blowing truck, motor (usually using the assistant engine on the equipment such as snow blowing truck) drives draught fan impeller to rotate, the dynamic moment of inertia J of draught fan impeller
usedcomparatively large, angular acceleration ε=△ ω/t(of draught fan impeller wherein ω is the angular velocity of draught fan impeller, and t is the start-up time of draught fan impeller), the moment of inertia M=J of draught fan impeller
usedε, motor makes the staring torque T needed for draught fan impeller rotation
openbe directly proportional to the moment of inertia M of draught fan impeller, and motor make draught fan impeller rotate needed for starting power N
openwith its staring torque T
openbe directly proportional, and, in order to make motor successfully rotate draught fan impeller, the actual moment T of motor
realwith actual power N
realdescribed staring torque T should be greater than respectively
openwith described starting power N
open.
When the driving mechanism of draught fan impeller adopts the form of motor, diaphragm clutch, gearbox and the shaft coupling connected successively, due to driving disc spacing pressing and the clutch plate engaging time t very of short duration (being generally no more than 3s) of diaphragm clutch, and the dynamic moment of inertia J of draught fan impeller
usedcomparatively large, make the moment of inertia M of draught fan impeller comparatively large, thus the described staring torque T of motor
openwith described equal starting power N
opencomparatively large, cause the actual moment T of motor
realwith actual power N
realdescribed staring torque T cannot be reached respectively
openwith described equal starting power N
open, thus, cause engine start in conjunction with time stop working, consider windage on after the impact of draught fan impeller, situation will be worse.
Therefore, present inventor considers t start-up time extending draught fan impeller, the angular acceleration ε of draught fan impeller is reduced, to reduce the moment of inertia M of draught fan impeller, thus reduces described staring torque T
openwith starting power N
open, such as, if t start-up time of draught fan impeller is extended to 6s, then described staring torque T
openwith starting power N
openone times can be reduced.In driving mechanism of the present invention, be provided with centrifugal clutch 4, such as in snow blowing truck, apply this driving mechanism, after motor 15 idling starts and drives driving section to rotate, the driving link 6 of centrifugal clutch 4 rotates under the drive of driving section, but due to the design feature of centrifugal clutch 4, its driving link 6 turn up to a certain extent after just can combine with driven member 5 and drive driven member 5 then to drive draught fan impeller to rotate, and because the torque of centrifugal clutch 4 transmission is proportional to rotating speed, thus, the load being equivalent to executing agency is loaded on diaphragm clutch 11 and motor 15 gradually, therefore, centrifugal clutch 4 is the equal of t start-up time extending draught fan impeller, thus the starting power N of motor 15 can be reduced
openwith staring torque T
open, make starting power N
openwith staring torque T
openbe less than the actual moment T of motor 15 respectively
realwith actual power N
real, avoid producing motor 15 and start flame-out problem.
In addition, diaphragm clutch 11 provides certain buffering binding time for motor 15 and driving section, effectively ensure that the idling of motor 15 starts, such as, if when only arranging centrifugal clutch 4, motor 15 directly drives driving section to start, and all causes larger impact to driving section and motor 15, after arranging diaphragm clutch 11, motor 15 can idling startup drive driving section to rotate again to plateau.Further, when needing to shut down, due to the characteristic of diaphragm clutch 11, motor 15 first can be made to unload, and then motor 15 is shut down, motor 15 is played a protective role.
To sum up, in driving mechanism of the present invention, on the one hand, adopt diaphragm clutch 11, the idling that can realize motor 15 starts, make the rapid startup of equipment, on the other hand, the power that diaphragm clutch 11 exports transfers to executing agency by centrifugal clutch 4, the load of executing agency is loaded on diaphragm clutch 11 and motor 15 gradually, thus, avoid diaphragm clutch 11 and motor 15 to be subject to larger startup to impact, the diaphragm spring of diaphragm clutch 11 is not easy to wear, also not easily there is the situation of stopping working in motor 15, thus the smooth starting of effective guarantee equipment.
Wherein, driving section can be set to form applicable arbitrarily.As a kind of preferred embodiment, described driving section comprises speed increaser 7.Driving link 6 due to centrifugal clutch 4 needs to obtain enough centrifugal force after arriving certain rotating speed and realizes the combination with driven member 5, thus, speed increaser 7 the transmission agency that effectively can ensure centrifugal clutch 4 when not improving the rotating speed of motor 15 is set, realize the stabilized driving to such as large fan etc., reduce energy consumption, economic environmental protection.
And, connected by shaft coupling between diaphragm clutch 11 and speed increaser 7, particularly, the clutch end of diaphragm clutch 11 comprises power output shaft 9, driving section also comprises the first shaft coupling 8, one end of this first shaft coupling 8 is connected with the power input shaft 16 of speed increaser 7, and the other end is connected with the power output shaft 9 of diaphragm clutch 11.Wherein, the first shaft coupling 8 is universal coupling with spider.See Fig. 2, the two ends of this universal coupling with spider are connected with the power output shaft 9 of diaphragm clutch 11 and the power input shaft 16 of speed increaser 7 respectively by bolt, due to the compensation performance of this universal coupling with spider, can exist compared with playing correction effect when mitre not in collinear situation and at the central axis of above-mentioned two axles due to alignment error and foozle etc. at the central axis of the power input shaft 16 of the power output shaft 9 of diaphragm clutch 11 and speed increaser 7, thus guarantee above-mentioned two driven off by shaft synchronisms, avoiding eccentric torque that the load of speed increaser 7 and diaphragm clutch 11 is increased even causes above-mentioned two axles to deform.
As a kind of embodiment, speed increaser 7 mainly comprises power input shaft 16, power output shaft 17 and gear train, power is inputed to speed increaser 7 with the slow-speed of revolution from motor 15 by the first shaft coupling 8, then exports from power output shaft 17 with high rotating speed after gear train speed change.
And the power output shaft 17 of speed increaser 7 is connected with the driving link 6 of centrifugal clutch 4, thus by described high-revolving power transmission to the driving link 6 of centrifugal clutch 4.See Fig. 2, in present embodiment, centrifugal clutch 4 comprises driving link 6, driven member 5 and bearing and spring etc., driving link 6 can be connected by flat key or spline etc. with the power output shaft 17 of speed increaser 7, driving link 6 can be set in driven member 5 and not to contact with driven member 5 by the elastic force restriction of spring when non rotating and when the lower centrifugal force of rotating speed is less, driving link 6 comprises centrifugal-block, when the power of power output shaft 17 is delivered to driving link 6 and causes driving link 6 to rotate, centrifugal-block produces centrifugal force, and when the rotating speed of driving link 6 increases to fixing speed, centrifugal force increases to and driving link 6 can be made to shake off the constraint of spring and contact with driven member 5 and cause driven member 5 to rotate.Thus, when motor 15 starts and by diaphragm clutch 11, first shaft coupling 8 and speed increaser 7 etc. by power transmission to the driving link 6 of centrifugal clutch 4 time, driving link 6 rotates and produces centrifugal force, when the rotating speed that the lower driving link 6 of motor 15 rotating speed rotates is lower than described fixing speed, thus the restriction pulling force that the centrifugal force of driving link 6 is less than spring is still in disengaged condition with driven member 5, not to executing agency's transmission torque, the load of executing agency is not loaded on driving mechanism yet, centrifugal clutch 4 is in Light Condition, the No Load Start of motor 15 is jointly realized with diaphragm clutch 11, along with the rotating speed of motor 15 increases, the rotating speed transferring to the driving link 6 of centrifugal clutch 4 also increases, the centrifugal force of centrifugal-block increases, when after the described fixing speed arriving centrifugal clutch 4, centrifugal-block has enough large centrifugal force thus overcomes the contact internal walls of spring force and driven member 5 and compress gradually, make driven member 5 force to enter rotary state due to the frictional force of contact surface, driven member 5 externally delivery of torque is loaded on centrifugal clutch 4 to drive the load of executing agency and executing agency, driving mechanism is in load condition, driving mechanism slowly rotates and rotating speed increases gradually, in the process, the Driving Torque of centrifugal clutch 4 progressively increases with the increase of rotating speed, thus executing agency is progressively loaded, smooth drive, and, in the process, centrifugal force increases gradually with rotating speed, thus centrifugal clutch is used just to be equivalent to the load of executing agency to be carried in gradually on driving mechanism, thus avoid producing larger startup to impact, obtain the effect of smooth starting.
In addition, one end that connection part can comprise the second shaft coupling 3, second shaft coupling 3 is connected with the power output shaft of centrifugal clutch 8, and the other end is connected with the main shaft 2 of executing agency.Further, wherein, the second shaft coupling 3 is diaphratic elastic coupling, and the elastic body of described diaphratic elastic coupling is nonmetals elastic body.Elastic body is that the centering capacity of the radial and axial error of the elastomeric diaphratic elastic coupling of nonmetals is comparatively strong, and the axle head being applicable to High Rotation Speed mechanism (such as, blowing mechanism) connects.
In addition, particularly, diaphragm clutch 11 can be comprised and being driven by the flywheel 14 of motor 15 and the driving disc spacing pressing 12 rotated, the clutch plate 13 that can be engaged by spring compression friction plate with driving disc spacing pressing 12 and the fork for separating of driving disc spacing pressing 12 and clutch plate 13, and clutch plate 13 is connected with the power output shaft 9 of diaphragm clutch 11.See Fig. 2, driving disc spacing pressing 12 is connected with flywheel 14 through housing 10, power output shaft 9 is connected with clutch plate 13 by spline, after motor 15 starts, under fork effect, clutch plate 13 is separated with driving disc spacing pressing 12, clutch plate 13 and driving disc spacing pressing 12 can not together with rotate, power output shaft 9 external transmitting power, makes motor 15 can No Load Start; Until after motor 15 arrives stable state, fork resets, and under the action of the spring, clutch plate 13 engages with driving disc spacing pressing 12, and clutch plate 13 is driven by driving disc spacing pressing 12 and to rotate and by the outside outputting power of power output shaft 15; When needs are shut down, under fork effect, driving disc spacing pressing 12 is first separated with clutch plate 13, and motor 15 is shut down again, thus makes motor 15 unload startup.
Driving mechanism of the present invention is especially applicable to the comparatively large and driving mechanism that rotating speed is also larger of dynamic moment of inertia, and such as, described executing agency can be blower fan 1, and this driving mechanism can be applied to snow blowing truck, and namely described equipment is snow blowing truck.After snow blowing truck adopts driving mechanism of the present invention to drive blower fan 1; can ensure that the idling of motor 15 starts by the characteristic of diaphragm clutch 11 to shut down with unloaded; and progressively can be loaded blower fan 1 by the characteristic of centrifugal clutch 4; make blower fan 1 smooth drive; make the load of blower fan 1 be loaded on gradually on driving mechanism simultaneously, avoid larger startup impact and cause the spring diaphragm wearing and tearing of diaphragm clutch 11 and motor 15 to start flame-out.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the driving mechanism of an equipment, this driving mechanism comprises the motor (15) and diaphragm clutch (11) that connect successively, it is characterized in that, this driving mechanism also comprise connect successively driving section, centrifugal clutch (4) and connection part, the power intake of described driving section is connected with the clutch end of described diaphragm clutch (11), and described connection part is connected with the executing agency of described equipment.
2. driving mechanism according to claim 1, wherein, described driving section comprises speed increaser (7).
3. driving mechanism according to claim 2, wherein, the clutch end of described diaphragm clutch (11) comprises power output shaft (9), described driving section also comprises the first shaft coupling (8), one end of this first shaft coupling (8) is connected with the power input shaft (16) of described speed increaser (7), and the other end is connected with the power output shaft (9) of described diaphragm clutch (11).
4. driving mechanism according to claim 3, wherein, described first shaft coupling (8) is universal coupling with spider.
5. driving mechanism according to claim 2, wherein, the power output shaft (17) of described speed increaser (7) is connected with the driving link (6) of described centrifugal clutch (4).
6. driving mechanism according to claim 3, wherein, described diaphragm clutch (11) is comprised and being driven and the driving disc spacing pressing (12) rotated, the clutch plate (13) that can be engaged by spring compression friction plate with described driving disc spacing pressing (12) and the fork for separating of described driving disc spacing pressing (12) and described clutch plate (13) by described motor (15), and described clutch plate (13) is connected with the described power output shaft (9) of described diaphragm clutch (11).
7. driving mechanism according to claim 1, wherein, described connection part comprises the second shaft coupling (3), one end of described second shaft coupling (3) is connected with the power output shaft of described centrifugal clutch (4), and the other end is connected with the main shaft (2) of described executing agency.
8. driving mechanism according to claim 7, wherein, described second shaft coupling (3) is diaphratic elastic coupling, and the elastic body of described diaphratic elastic coupling is nonmetals elastic body.
9. according to the driving mechanism of the equipment in claim 1-8 described in any one, wherein, described executing agency is blower fan (1).
10. the driving mechanism of equipment according to claim 9, wherein, described equipment is snow blowing truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210574668.8A CN103046507B (en) | 2012-12-26 | 2012-12-26 | Driving mechanism for equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210574668.8A CN103046507B (en) | 2012-12-26 | 2012-12-26 | Driving mechanism for equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103046507A CN103046507A (en) | 2013-04-17 |
| CN103046507B true CN103046507B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210574668.8A Active CN103046507B (en) | 2012-12-26 | 2012-12-26 | Driving mechanism for equipment |
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| Country | Link |
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| CN (1) | CN103046507B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219807A (en) * | 2019-07-24 | 2019-09-10 | 哈尔滨庆功林泵业股份有限公司 | A kind of Diesel Driven self priming pump and control guard method |
| CN113027933A (en) * | 2021-02-05 | 2021-06-25 | 中国人民解放军空军勤务学院 | Direct connection structure |
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| CN2470170Y (en) * | 2001-02-26 | 2002-01-09 | 中国一拖集团有限公司技术中心 | Master auxiliary clutch device of wheel-type tractor |
| JP2002059752A (en) * | 2000-08-21 | 2002-02-26 | Isuzu Motors Ltd | Hybrid driving device |
| CN201235748Y (en) * | 2008-03-17 | 2009-05-13 | 白福全 | Sliding device |
| CN201268837Y (en) * | 2008-08-18 | 2009-07-08 | 吉林航空维修有限责任公司 | Cold blowing cleaning vehicle |
| CN201339665Y (en) * | 2009-02-06 | 2009-11-04 | 荣成市黄海离合器有限公司 | Double action clutch assembly |
| CN102009588A (en) * | 2010-11-10 | 2011-04-13 | 清华大学 | Single-motor double-clutch hybrid power vehicle engine starting coordination control method |
| CN202200841U (en) * | 2011-08-26 | 2012-04-25 | 田奎 | Transmission mechanism of driving trailer of four-wheel tractor |
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2012
- 2012-12-26 CN CN201210574668.8A patent/CN103046507B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002059752A (en) * | 2000-08-21 | 2002-02-26 | Isuzu Motors Ltd | Hybrid driving device |
| CN2470170Y (en) * | 2001-02-26 | 2002-01-09 | 中国一拖集团有限公司技术中心 | Master auxiliary clutch device of wheel-type tractor |
| CN201235748Y (en) * | 2008-03-17 | 2009-05-13 | 白福全 | Sliding device |
| CN201268837Y (en) * | 2008-08-18 | 2009-07-08 | 吉林航空维修有限责任公司 | Cold blowing cleaning vehicle |
| CN201339665Y (en) * | 2009-02-06 | 2009-11-04 | 荣成市黄海离合器有限公司 | Double action clutch assembly |
| CN102009588A (en) * | 2010-11-10 | 2011-04-13 | 清华大学 | Single-motor double-clutch hybrid power vehicle engine starting coordination control method |
| CN202200841U (en) * | 2011-08-26 | 2012-04-25 | 田奎 | Transmission mechanism of driving trailer of four-wheel tractor |
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| CN103046507A (en) | 2013-04-17 |
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Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: Changsha ZOOMLION Environmental Industry Co., Ltd. Address before: 410013 Changsha province high tech Development Zone, No. 307 South Road, silver basin Patentee before: Environmental & Sanitation Machinery Branch of Changsha Zoomlion Heavy Industry Science & Technology |
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