CN209687603U - A kind of sweeper blower dynamical system - Google Patents
A kind of sweeper blower dynamical system Download PDFInfo
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- CN209687603U CN209687603U CN201920050709.0U CN201920050709U CN209687603U CN 209687603 U CN209687603 U CN 209687603U CN 201920050709 U CN201920050709 U CN 201920050709U CN 209687603 U CN209687603 U CN 209687603U
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- clutch
- sweeper
- centrifugal blower
- blower
- assistant engine
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- 241001417527 Pempheridae Species 0.000 title claims abstract description 28
- 238000005183 dynamical system Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims abstract description 3
- 230000008901 benefit Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009021 linear effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model relates to a kind of sweeper blower dynamical systems, are installed on sweeper, including assistant engine and centrifugal blower, and the flywheel of assistant engine is equipped with clutch, and clutch is diaphragm spring clutch, have clutch yoke handle；The output end of clutch is equipped with driven wheel, is sequentially connected with the driving wheel of centrifugal blower by transmission belt；It further include an electric pushrod, electric pushrod is for controlling clutch yoke handle；Electric pushrod, assistant engine speed probe be electrically connected to the control system of sweeper；Control system carries out starting centrifugal blower for controlling clutch in a manner of semi-linkage soft combination.The features such as the utility model realizes low-load smooth starting, and starting moment transmission system impact is small, assistant engine load is low, advantageously reduces cost, improves reliability.
Description
Technical field
The present invention relates to sweeper power systems art, more particularly, to be a kind of sweeper blower dynamical system.
Background technique
The sanitation and hygiene of airfield runway, not only for the neat and tidy for guaranteeing environment, even more in order to guarantee aircraft safety
Takeoff and landing.Existing airport sweeper mainly has suction to sweep and purge two ways, for sweeping head and the suction for making large-scale cleaning vehicle
Mouth has the air quantity of larger intensity, to meet cleaning demand, meets the high cleannes requirement of airport roadway, it is necessary to configured with big
The blower of power, and the power drive system of blower is the important mechanism for guaranteeing sweeper and working normally.
Chinese patent 2016209886417 discloses a kind of power drive system of sweeper, engine clutch assembly
Control terminal transmission connection clutch separation cylinder piston rod, the engine being successively sequentially connected, engine clutch assembly,
Blower centrifugal clutch, blower driven wheel and blower, the engine clutch assembly being successively sequentially connected, high-pressure hydraulic pump pneumatic membrane
Lamella clutch, high-pressure hydraulic pump driven wheel and high-pressure hydraulic pump.The patent drives blower using blower centrifugal clutch, although
It is avoided that flame-out and engine damage and other effects.But that there are reliabilities is lower, at high cost etc. for centrifugal clutch, is unfavorable for dropping
Low equipment cost；Moreover, the limitation of centrifugal clutch structure size itself, causes the torque that can be transmitted small, transfer motion power is limited,
The demand of high-power sweeper is not met；Secondly, for clutch separation requirement when meeting engine idling, centrifugal clutch engagement
Revolving speed initial value is generally located in 900-1000 revs/min, and engine needs to reach 1700 revs/min or more centrifugal clutches and could reach
To the state that is completely combined, guarantee that clutch securely and reliably works, therefore, the applicable range of speeds of centrifugal clutch is narrow, especially uncomfortable
For working when low engine speeds.
The background technique of Chinese patent 2014205155061 refers to, washes the assistant engine for sweeping convertible car and high pressure blower connects
The clutch connect is diaphragm spring clutch, and diaphragm spring clutch includes bell housing, flywheel, driven disc, diaphragm spring type
Platen assembly, diaphragm spring type platen assembly and flywheel are bolted fixed and the two and are in rotating state；It should
Driven disc is connected with exporting axis；In conjunction with when, compressed using diaphragm spring, diaphragm spring compresses platen, driven disc and flywheel, drives
Driven disc rotates together with flywheel, output power, and when separation, platen is separated with driven disc, cuts off power output.But it is existing
The diaphragm spring clutch of sweeper blower only has two states: in conjunction with, separation；Clutch combines moment, speed by being separated to
Fastly, the time is short, and engine, clutch output shaft and transmission system will be impacted, and increases starting moment engine loading, significantly
Reduce engine and transmission system service life.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of sweeper blower dynamical system, the clutches of blower
Its semi-linkage soft combination is controlled using electric pushrod, realizes low-load smooth starting, reduces starting moment to assistant engine and biography
Dynamic system shock.
To achieve the above object, the technical solution of the invention is as follows: a kind of sweeper blower dynamical system, is installed on clear
Vehicle, including assistant engine and centrifugal blower are swept, the flywheel of assistant engine is equipped with clutch, and clutch is diaphragm spring clutch
Device has clutch yoke handle；The output end of clutch is equipped with driven wheel, is passed with the driving wheel of centrifugal blower by transmission belt
Dynamic connection；It further include an electric pushrod, electric pushrod is for controlling clutch yoke handle；The revolving speed of electric pushrod, assistant engine
Sensor is electrically connected to the control system of sweeper；Control system is carried out in a manner of semi-linkage soft combination for controlling clutch
Start centrifugal blower；Semi-linkage soft combination refer to electric pushrod using segmentation discontinuous retract until clutch be completely combined, work as pair
Engine peed stable is retracted in idling mode, electric pushrod, and when assistant engine reduction of speed to A value, electric pushrod stops retracting.
Preferably, the spiral case side of centrifugal blower is equipped with inlet air plenum, inlet air plenum and spiral case coaxial communication；Centrifugal blower into
Air port is opened in the top of inlet air plenum, and the air outlet of centrifuge is located at the bottom end of spiral case；The one of the separate centrifugal blower of inlet air plenum
Side is also provided with benefit air door, mends the shaft that air door is right against centrifugal blower, mends air door and is controlled by cylinder.
Preferably, benefit air door, which is controlled by cylinder, spins upside down to realize opening and closing.
Preferably, it mends air door to be made of upper half door and lower half door, upper half door and lower half door are movably hinged；The free end of cylinder
It is connected to upper half door.
By using above-mentioned technical solution, the beneficial effects of the present invention are: the present invention is made using diaphragm spring clutch
For the arrangement of clutch of centrifugal blower, has the characteristics that transmit big torque, high reliablity, at low cost.
Diaphragm spring clutch has elasticity, and clutch yoke handle travel is short, and the semi-linkage to be realized of the present invention combines
Slow combination, therefore to clutch yoke handle control precision require it is high.And cylinder and hydraulic cylinder are because of driving medium tool
There is compressibility, there is certain elasticity, control precision is poor, therefore is easy to happen operation out-of-control phenomenon, while hydraulic cylinder is also easy
Because the adverse circumstances such as low temperature break down.Therefore, the present invention is electronic to push away with the clutch yoke handle of electric pushrod control clutch
Bar compared to hydraulic cylinder and cylinder, with high rigidity, anti-impact force, extra long life, Operation and Maintenance is simple, control precision is high,
Have the characteristics that self-locking function, Acclimation temperature range are wide, it can no-failure operation in the presence of a harsh environment.
Clutch is retracted using the mode of semi-linkage soft combination, i.e. electric pushrod using segmentation discontinuous in the present invention
Until clutch is completely combined, when assistant engine stabilization of speed is in idling mode, electric pushrod is retracted, when assistant engine reduction of speed extremely
A value, electric pushrod stop retracting.The combination realizes low-load smooth starting, and starting moment transmission system impact is small, secondary
The features such as engine loading is low advantageously reduces cost, improves reliability.
It, can be by the coaxial benefit air door of centrifugal blower volute during centrifugal blower starting (i.e. during clutch soft combination)
It closes, to further decrease the load of engine start moment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of centrifugal blower and clutch；
Fig. 3 is the structural schematic diagram for mending air door；
Main appended drawing reference explanation: (1, assistant engine；2, centrifugal blower；3, clutch；4, transmission belt；5, clutch yoke
Handle；6, electric pushrod；7, inlet air plenum；8, air door is mended；9, cylinder；10, air outlet；11, air inlet).
Specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
It should be noted that the direction term mentioned in the present invention, such as: upper and lower, front, rear, left and right, top, bottom, it is interior,
It is outer etc., it is to be based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, without refers to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
As shown in Figure 1-3, a kind of sweeper blower dynamical system, is installed on sweeper compartment, for the suction for sweeper
It sweeps and/or purges and power source is provided.Sweeper blower dynamical system, including assistant engine 1 and centrifugal blower 2, the side in compartment
It is provided with radiator window, so that assistant engine 1 and centrifugal blower 2 radiate, and provides air-flow for centrifugal blower 2.Specifically, assistant engine
1 flywheel (unmarked) is equipped with clutch 3, and the output end of clutch 3 is equipped with driven wheel (unmarked), passes through transmission belt 4
With the driving wheel of centrifugal blower 2 it is (unmarked) transmission connection, thus drive centrifugal blower 2 drive.Clutch 3 of the invention is film
Flat spring clutch has the characteristics that transmit torque big, high reliablity, at low cost.The normality of diaphragm spring clutch is clutch
Device combines, clutch separation when pushing release bearing, has a clutch yoke handle 5 outside the shell of clutch, by operating clutch
The clutch of the control clutch 3 of shift fork handle 5.
As shown in Fig. 2, clutch yoke handle 5 is controlled by electric pushrod 6, one end of electric pushrod 6 is fixed in compartment
Support frame (unmarked), the other end are connect with clutch yoke handle 5.Electric pushrod 6 has high rigidity, anti-impact force, super-long service life
The features such as life, Operation and Maintenance are simple, control precision is high, can be with no-failure operation under adverse circumstances.Electric pushrod 6 and assistant engine
1 speed probe is electrically connected to the control system of sweeper.Control system of the invention is equipped with semi-linkage soft junction collaboration
System, to control clutch using carrying out starting centrifugal blower 2 in a manner of semi-linkage soft combination.Semi-linkage soft combination refers to: electric pushrod 6
It is retracted using segmentation discontinuous until clutch 3 is completely combined, when 1 stabilization of speed of assistant engine is in idling mode, electric pushrod 6
It retracts, when 1 reduction of speed of assistant engine to A value, electric pushrod 6 stops retracting, and A value refers to any value in 600-700 revs/min.This
Entire start-up course is invented to be usually no more than 10 seconds.
As shown in figure 3, the spiral case side of centrifugal blower 2 is equipped with inlet air plenum 7, which covers in the air inlet through hollow shaft of spiral case
Mouthful.The air inlet 11 of centrifugal blower 2 is set to the top of inlet air plenum 7, is connected to dustbin to realize that function is swept in suction；Its air outlet 10
Positioned at the bottom end of centrifugal blower 2.Side of the inlet air plenum 7 far from centrifugal blower 2 be also provided with mend air door 8, mend air door 8 just correspond to from
The shaft of heart blower 2 realizes that axial benefit wind provides air-flow for purging, is unable to satisfy purging function in the intake of air inlet 11
It is required that when it is spare, compared to the air inlet route of air inlet 11, first carries out 90 ° of turn again downwards and becomes horizontal linears to enter the wind, the benefit wind
The air inlet route of door 8 is usual, windage is smaller, is conducive to blowing for purging function of raising and penetrates wind pressure and wind speed.
As shown in figure 3, one end of cylinder 9 is connected to the top of inlet air plenum 7, one end, which is connected to, mends 8 middle and upper part of air door, mends wind
Door 8 is spun upside down by the control of cylinder 9 to realize opening and closing.It mends air door 8 to be made of upper half door 81 and lower half door 82, upper half door 81 is under
It is movably hinged for half 82, the movable end of cylinder 9 is connected to upper half door 81.Air door 8 is mended using spinning upside down and double up and down
Section structure design is suitable for large scale and mends air door 8, and when mending the unlatching of air door 8, lower half door 82 is automatic sagging under the effect of gravity, keeps away
Exempt from benefit air door 8 and interferes (sweeper space is limited, and the car parts of assistant engine are equipped with other mechanisms) with other mechanisms.
It is described further below for the control method of the dynamical system, its step are as follows:
A kind of control method of sweeper blower dynamical system, comprising the following steps:
S1, electric pushrod 6 are released, and clutch 3 is discrete state, the starting of assistant engine 1 to idling (800 revs/min).
S2, electric pushrod 6 retract to drive clutch yoke handle 5, and clutch 3 starts to combine, and centrifugal blower 2 starts,
Assistant engine 1 increases due to reduction of speed because loading.
S3,1 reduction of speed of assistant engine are to 700 revs/min, and electric pushrod 6 stops retracting and clutch yoke handle 5 stops therewith,
Clutch 3 is located at semi-linkage state.
S4,1 stabilization of speed of assistant engine simultaneously restore to idling, electric pushrod 6 continues to retract, clutch 3 continuing with, from
Raising speed, assistant engine 1 increase due to reduction of speed heart blower 2 because loading therewith.
S5,1 reduction of speed of assistant engine are to 700 revs/min, and electric pushrod 6 stops retracting and clutch yoke handle 5 stops therewith.
S6, step S4-S5 is repeated several times, until clutch 3 reaches the state of being completely combined.
The present invention in centrifugal blower 2 in initial start stage (i.e. 3 soft combination process of clutch), mend air door 8 can be unlatching or
It closes, after waiting clutches 3 to be completely combined, sweeps operation further according to being purged or being inhaled, control is mended air door 8 and opened or closed.It is excellent
The scheme of choosing, the initial start stage of centrifugal blower 2 are mended air door 8 and are in off state, and air-flow inflow can be reduced by mending the closing of air door 8, with
Further decrease the load of engine start moment.
Above-described, only presently preferred embodiments of the present invention cannot limit the scope of implementation of the present invention, it is all according to
Equivalent change made by scope of the present invention patent and decoration, should still belong in the range of the present invention covers.
Claims (4)
1. a kind of sweeper blower dynamical system is installed on sweeper, including assistant engine and centrifugal blower, it is characterised in that:
The flywheel of assistant engine is equipped with clutch, and clutch is diaphragm spring clutch, has clutch yoke handle；Clutch it is defeated
Outlet is equipped with driven wheel, is sequentially connected with the driving wheel of centrifugal blower by transmission belt；It further include an electric pushrod, it is electronic to push away
Bar is for controlling clutch yoke handle；Electric pushrod, assistant engine speed probe be electrically connected to the control system of sweeper
System；Control system carries out starting centrifugal blower for controlling clutch in a manner of semi-linkage soft combination；Semi-linkage soft combination refers to electricity
Dynamic push rod is retracted using segmentation discontinuous until clutch is completely combined, electronic when assistant engine stabilization of speed is in idling mode
Pusher retracted, when assistant engine reduction of speed to A value, electric pushrod stops retracting.
2. sweeper blower dynamical system according to claim 1, it is characterised in that: the spiral case side of centrifugal blower be equipped with into
Air compartment, inlet air plenum and spiral case coaxial communication；The air inlet of centrifugal blower is opened in the top of inlet air plenum, the air outlet position of centrifuge
In the bottom end of spiral case；The side of the separate centrifugal blower of inlet air plenum is also provided with benefit air door, mends air door and is right against turning for centrifugal blower
Axis is mended air door and is controlled by cylinder.
3. sweeper blower dynamical system according to claim 2, it is characterised in that: benefit air door, which is controlled by cylinder, to be spun upside down
To realize opening and closing.
4. sweeper blower dynamical system according to claim 3, it is characterised in that: mend air door by upper half door and lower half door structure
At upper half door and lower half door are movably hinged；The free end of cylinder is connected to upper half door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050709.0U CN209687603U (en) | 2019-01-11 | 2019-01-11 | A kind of sweeper blower dynamical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920050709.0U CN209687603U (en) | 2019-01-11 | 2019-01-11 | A kind of sweeper blower dynamical system |
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| CN209687603U true CN209687603U (en) | 2019-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723546A (en) * | 2019-01-11 | 2019-05-07 | 福建群峰机械有限公司 | A kind of sweeper blower dynamical system and its control method |
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2019
- 2019-01-11 CN CN201920050709.0U patent/CN209687603U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723546A (en) * | 2019-01-11 | 2019-05-07 | 福建群峰机械有限公司 | A kind of sweeper blower dynamical system and its control method |
| CN109723546B (en) * | 2019-01-11 | 2024-02-09 | 福建群峰机械有限公司 | Motor sweeper fan power system and control method thereof |
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Granted publication date: 20191126 Effective date of abandoning: 20240209 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191126 Effective date of abandoning: 20240209 |