CN107654283A - Engine direct drives rotating fan system - Google Patents
Engine direct drives rotating fan system Download PDFInfo
- Publication number
- CN107654283A CN107654283A CN201710832538.2A CN201710832538A CN107654283A CN 107654283 A CN107654283 A CN 107654283A CN 201710832538 A CN201710832538 A CN 201710832538A CN 107654283 A CN107654283 A CN 107654283A
- Authority
- CN
- China
- Prior art keywords
- wheel
- fan
- shaft
- reversing
- reverse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P5/043—Pump reversing arrangements
Abstract
The present invention relates to engine direct to drive fan system, can only a direction rotational problems to solve the straight wind dispelling fan of available engine；A kind of engine direct is provided and drives rotating fan system, including the driving wheel being fixedly connected with engine output shaft, fan, tensioning wheel, fan wheel group, reverse wheel group, fan wheel group include fan shaft, positive runner and reversing wheel, and fan shaft is selected one and engaged with positive runner or reversing wheel；Reverse wheel group includes reverse wheel and commutation breast wheel；Driving wheel, tensioning wheel, positive runner, reverse wheel are connected by belt transmission, and the rotation direction of positive runner is opposite with the rotation direction of driving wheel, tensioning wheel, reverse wheel；Reversing wheel is rotate in same direction by belt with commutation breast wheel and is connected, and the reverse wheel engages with reversion breast wheel when reversing wheel engages with fan shaft.The rotating of the achievable fan of the present invention, when being safeguarded to radiator.Fan reversion can remove willow catkins flying in the air and dust.So as to keep the heat dispersion of radiating.
Description
Technical field
The present invention relates to a kind of fan, and rotating fan system is driven more specifically to a kind of engine direct.
Background technology
At present in construction machinery product, engine cool is essential for engineering machinery, and it makes engine obtain appropriateness
Cooling, and keep it to be worked within the temperature range of optimum, cooling system work is bad to make engine produce failure, when cold
But excessively, heat scatters and disappears excessive, increases fuel consumption, and the fuel oil being condensate on cylinder wall flows to dilute lubricating oil in crankcase,
Abrasion aggravation, when cooling deficiency, engine overheat can be made, aeration quantity reduction burning is abnormal, and engine power declines, and lubrication is not
It is good, unstable wear.Fans drive control mode common in engineering machinery at present, mainly using mechanical drive principle, or use
Engine crankshaft directly drives, or drives cooling fan by dynamo belt, and the above is by the way of, engine radiator design
It is air draught type, engine and the heat on periphery is taken away by the rotation of fan, reach the purpose of radiating.
Directly driven using mechanical drive principle, or engine crankshaft, unidirectional rotation, the wind of air draught type can only be realized
Fan makes wind pass through radiator by air draught, so as to which heat be taken away, but because the working environment of engineering machinery is relatively severe,
In the fan radiating system of air draught type, willow catkins flying in the air and dust can be brought into during air draught between the leaf core of radiator, from
And causing the ventilation of radiator to reduce, the radiating to engine impacts.
The content of the invention
The technical problem to be solved in the present invention be for available engine straight wind dispelling fan can only a direction rotational problems, and
There is provided a kind of can drive rotating fan system with the engine direct of rotating.
The present invention is such to realize the technical scheme of its purpose：A kind of engine direct is provided and drives positive and negative rotary fan system
System, including the driving wheel being fixedly connected with engine output shaft, fan, it is characterised in that also including tensioning wheel, fan wheel group, change
To wheel group, positive runner and reversing wheel that the fan wheel group includes the fan shaft of installation fan and is co-axially mounted and independently rotates,
The fan shaft is selected one and engaged with the positive runner or reversing wheel；The reverse wheel group includes reverse wheel and commutation breast wheel；Institute
State driving wheel, tensioning wheel, positive runner, reverse wheel to connect by belt transmission, rotation direction and driving wheel, the tensioning of positive runner
Wheel, the rotation direction of reverse wheel are opposite；The reversing wheel is rotate in same direction by belt with the commutation breast wheel and is connected, described anti-
The reverse wheel engages with reversion breast wheel when runner engages with fan shaft.In the present invention, during fan normal rotation, engine
By driving driving wheel to rotate, driving wheel rotates forward wheel by belt drive and rotated, the rotation direction of positive runner and turning for driving wheel
Dynamic in opposite direction, the rotating shaft of positive runner engages with fan shaft together to be rotated, and then driving fan is rotated forward (with turning for driving wheel
It is dynamic in opposite direction), in the process, reversing wheel is disengaged with fan shaft and connected, the rotation direction of reverse wheel and the rotation of positive runner
Direction.When needing fan to invert, the engagement of fan shaft and positive runner is disconnected, fan shaft is engaged with reversing wheel, changed simultaneously
Also being engaged with commutation breast wheel to wheel, driving wheel drives reverse wheel to rotate in same direction by belt, reverse wheel drive commutation breast wheel,
The breast wheel that commutates is rotated by belt drive reversing wheel, reversing wheel drives fan shaft to rotate to realize fan reversion (with active
The rotation direction of wheel is identical).
Above-mentioned engine direct is driven in rotating fan system, and the commutation breast wheel and the reverse wheel rotate independently of each other
In rotating shaft, have between the reverse wheel and commutation breast wheel and reverse wheel is engaged into synchronous axial system with commutation breast wheel
Detachable engagement device.
Above-mentioned engine direct is driven in rotating fan system, and the commutation breast wheel and the reverse wheel are each via bearing
It is rotatably installed on same axis.
Above-mentioned engine direct is driven in rotating fan system, and the engagement device is by the commutation breast wheel and described changed
The bolt being fixedly connected to wheel.
Above-mentioned engine direct is driven in rotating fan system, and the rotating shaft of positive runner is hollow tubular, and the reversing wheel passes through
Bearing holder (housing, cover) is provided with internal spline in the rotating shaft of positive runner on the rotating shaft endoporus wall of the positive runner, the fan shaft with
The rotating shaft of positive runner is co-axially mounted, and one end of fan shaft is provided with external splines and the end is located at the endoporus of the just rotating shaft of runner
In, the engaging mechanism that can be disconnected, the rotating shaft internal spline of the fan shaft and the positive runner are provided between fan shaft and reversing wheel
During engagement, the engaging mechanism between fan shaft and reversing wheel disconnects, and the rotating shaft internal spline of the fan shaft and the positive runner breaks
When opening, the engaging mechanism between fan shaft and reversing wheel engages.
Above-mentioned engine direct is driven in rotating fan system, and the engaging mechanism between fan shaft and reversing wheel includes being arranged on
Ring flange on fan shaft and the clamping screw being fixed on reversing wheel, it is provided with the ring flange and is worn for the clamping screw
The hole crossed, the end of thread of clamping screw when engaging of the engaging mechanism between fan shaft and reversing wheel pass through the ring flange
On hole and locking nut coordinate.
Above-mentioned engine direct is driven in rotating fan system, and the fan shaft is arranged on fan positioning support by bearing
On.
Compared with prior art, the rotating of fan can be achieved in the present invention to the present invention, when being safeguarded to radiator.Fan
Reversion can remove willow catkins flying in the air and dust.So as to keep the heat dispersion of radiating.
Brief description of the drawings
Fig. 1 is the structural representation that inventive engine directly drives rotating fan system.
Fig. 2 is the structural representation that inventive engine directly drives fan wheel group in rotating fan system.
When Fig. 3 is that inventive engine directly drives the positive runner of fan wheel group in rotating fan system and engaged with fan shaft
View.
When Fig. 4 is that inventive engine directly drives the positive runner of fan wheel group in rotating fan system and engaged with reversing wheel
View.
Fig. 5 is the structural representation that inventive engine directly drives reverse wheel group in rotating fan system.
Parts title and sequence number in figure：
Driving wheel 1, belt 2, fan wheel group 3, positive runner 38, reversing wheel 36, fan shaft 35, the tensioning wheel 4 of fan base 31, change
To wheel group 5, reversing belt 6, fan 7, fan installation bolt 8, fan positioning support 9, bracket fixing bolt 10.
Embodiment
Connection with figures illustrates specific embodiment below.
Engine direct drives rotating fan system as shown in figure 1, it includes fixing with engine output shaft in the present embodiment
The driving wheel 1 of connection, fan 7, tensioning wheel 4, fan wheel group 3, reverse wheel group 5；Driving wheel 1 is followed all the time by engine driving
Engine rotates according to a direction.
As shown in Fig. 2 fan wheel group includes fan shaft, positive runner and reversing wheel, fan 7 is solid by fan installation bolt 8
It is scheduled on fan base 31, fan base 31 is coaxially fixed on fan shaft 35.Fan shaft 35 by bearing 33 installed in fan by being determined
Axially position is carried out on the support 9 of position and by snap ring to bearing 33, elongated hole, the length of elongated hole are provided with fan positioning support 9
Direction is identical with the axial direction of fan shaft, and bracket fixing bolt 10 positions fan through the elongated hole on fan positioning support 9
Support 9 is fixed on vehicle frame, and after bracket fixing bolt 10 is unscrewed, fan positioning support 9 can drive fan shaft, fan in fan shaft
Moved up to side.
As shown in Fig. 3 Fig. 4, positive runner 38 and its rotating shaft are integrative-structures, and the rotating shaft of positive runner is hollow tubular, in it
Internal spline 381 is provided with hole.One end of fan shaft 35 is extend into the rotating shaft endoporus of positive runner, and the end is provided with outer flower
Key.Reversing wheel 36 is coaxially installed with by bearing 37 in the rotating shaft of positive runner, positive runner 38 turns independently of each other with reversing wheel 36
It is dynamic.
As shown in Fig. 2 being provided with engaging mechanism between reversing wheel 36 and fan shaft, the engaging mechanism includes fan shaft 35
On flange and the clamping screw that is fixed on reversing wheel 36, there is the hole passed through for clamping screw on flange.
After fan shaft 35 moves a segment distance to positive runner direction, external splines on fan shaft 35 with the rotating shaft of positive runner
Internal spline disengage, while the clamping screw on reversing wheel is through the hole on the ring flange 352 on fan shaft 35, with wing nut
34 threaded connections, realize being fixedly connected for reversing wheel and fan shaft.Wing nut 34 is removed, fan shaft 35 is backwards to positive runner direction
After a mobile segment distance, the external splines 351 on fan shaft 35 engages with the internal spline 381 in the rotating shaft of positive runner 38, reversing wheel
Clamping screw 361 on 35 is extracted out out of fan shaft upper flange plate hole, and reversing wheel disengages with fan shaft.
As shown in figure 5, reverse wheel group includes reverse wheel 55 and commutation breast wheel 54；Reverse wheel 55 is rotated by bearing 53 pacifies
On axle 56, commutation breast wheel 54 is rotatably installed on axle 56 by bearing 53, and carries out axial direction to bearing 53 with snap ring 53
Positioning.After being provided with dismountable bolt 51 between reverse wheel and commutation breast wheel, removing bolt 51, in reverse wheel and commutation
Between take turns and rotate independently of each other, after reverse wheel and commutation breast wheel connects by bolt 51, reverse wheel and the middle crop rotation that commutates turn in the same direction
It is dynamic.
As shown in figure 1, driving wheel, tensioning wheel, positive runner, reverse wheel are connected by belt transmission, the rotation of positive runner 38
Direction is opposite with the rotation direction of driving wheel 1, tensioning wheel 4, reverse wheel 35；Reversing wheel 36 passes through belt 6 with commutation breast wheel 54
Connection is rotate in same direction, reverse wheel 55 engages with reversion breast wheel 54 when reversing wheel 36 engages with fan shaft 35.In the present invention, wind
When fanning normal rotation, for engine by driving driving wheel 1 to rotate, driving wheel 1 drives positive runner 38 to rotate by belt 2, rotates forward
The rotation direction of wheel 38 and the rotation direction of driving wheel 1 between the rotating shaft of positive runner 38 and fan shaft 35 on the contrary, pass through internal spline
381 and external splines 351 engage and together rotate, and then driving fan 7 rotates forward (opposite with the rotation direction of driving wheel), herein
During, reversing wheel 36 and fan shaft 35, which disengage, to be connected, the rotation direction of the rotation direction of reverse wheel 55 and positive runner 38 on the contrary,
But disengaged between reverse wheel 55 and commutation breast wheel, therefore now, reversing wheel remains stationary as with commutation breast wheel.When needing fan
During reversion, mobile fan locating support 9, the internal spline engaged between fan shaft 35 and positive runner 38 is disconnected with external splines, will
Fan shaft engages with reversing wheel, while reverse wheel also engages with commutation breast wheel, and driving wheel drives reverse wheel 55 same by belt 2
To rotation, reverse wheel 55 drives commutation breast wheel 54, commutation breast wheel 54 to drive reversing wheel 36 to rotate by belt 6, reversing wheel
36 drive fan shafts 35 rotate and then realize that fan 7 inverts (identical with the rotation direction of driving wheel 1).
The rotating of the achievable fan of the present invention, when being safeguarded to radiator.Fan reversion can remove willow catkins flying in the air and
Dust.So as to keep the heat dispersion of radiating.
Claims (7)
1. a kind of engine direct drives rotating fan system, including the driving wheel (1) being fixedly connected with engine output shaft, wind
Fan, it is characterised in that also include installation including tensioning wheel (4), fan wheel group (3), reverse wheel group (5), the fan wheel group (3)
The fan shaft (35) of fan and the positive runner (38) and reversing wheel (36) for being co-axially mounted and independently rotating, the fan shaft select one with
The positive runner (38) or reversing wheel (36) engagement；The reverse wheel group includes reverse wheel (55) and commutation breast wheel (54)；Institute
State driving wheel, tensioning wheel, positive runner (38), reverse wheel (55) to be connected by belt (2), the rotation direction of positive runner (38)
It is opposite with the rotation direction of driving wheel, tensioning wheel, reverse wheel (55)；The reversing wheel (36) and the commutation breast wheel (54) are logical
Cross belt and rotate in same direction connection, the reversing wheel (36) reverse wheel (55) and reversion breast wheel when being engaged with fan shaft (35)
(54) engage.
2. engine direct according to claim 1 drives rotating fan system, it is characterised in that the commutation breast wheel and
The reverse wheel is rotatably installed in rotating shaft independently of each other, is had between the reverse wheel and commutation breast wheel by reverse wheel with changing
To the detachable engagement device of breast wheel engagement synchronous axial system.
3. engine direct according to claim 2 drives rotating fan system, it is characterised in that the commutation breast wheel and
The reverse wheel is rotatably installed on same axis each via bearing.
4. engine direct according to claim 2 drives rotating fan system, it is characterised in that the engagement device be by
The bolt that the commutation breast wheel is fixedly connected with the reverse wheel.
5. engine direct according to any one of claim 1 to 4 drives rotating fan system, it is characterised in that it is described just
The rotating shaft of runner is hollow tubular, and the reversing wheel (38) is mounted in by bearing holder (housing, cover) in the rotating shaft of positive runner, the positive runner
Internal spline is provided with rotating shaft endoporus wall, the rotating shaft of the fan shaft and positive runner is co-axially mounted, and one end of fan shaft is provided with
External splines and the end are located in the endoporus of the rotating shaft of the positive runner, and the jointing machine that can be disconnected is provided between fan shaft and reversing wheel
Structure, when the fan shaft engages with the rotating shaft internal spline of the positive runner, the engaging mechanism between fan shaft and reversing wheel disconnects,
When the rotating shaft internal spline of the fan shaft and the positive runner disconnects, the engaging mechanism between fan shaft and reversing wheel engages.
6. engine direct according to claim 3 drives rotating fan system, it is characterised in that fan shaft and reversing wheel it
Between engaging mechanism include the ring flange that is arranged on fan shaft and the clamping screw being fixed on reversing wheel, on the ring flange
It is provided with the hole passed through for the clamping screw, clamping screw when engaging of the engaging mechanism between fan shaft and reversing wheel
The end of thread coordinate through the hole on the ring flange and locking nut.
7. engine direct according to claim 5 drives rotating fan system, it is characterised in that the fan shaft passes through axle
Hold on fan positioning support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832538.2A CN107654283A (en) | 2017-09-15 | 2017-09-15 | Engine direct drives rotating fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832538.2A CN107654283A (en) | 2017-09-15 | 2017-09-15 | Engine direct drives rotating fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654283A true CN107654283A (en) | 2018-02-02 |
Family
ID=61130383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710832538.2A Withdrawn CN107654283A (en) | 2017-09-15 | 2017-09-15 | Engine direct drives rotating fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654283A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443015A (en) * | 2018-05-22 | 2018-08-24 | 徐州徐工矿山机械有限公司 | A kind of movable Crushing Station dynamical system |
| CN111561380A (en) * | 2020-05-22 | 2020-08-21 | 江苏沃得农业机械股份有限公司 | Forward and reverse rotation device for harvester radiator fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH084528A (en) * | 1994-06-16 | 1996-01-09 | Sumitomo Constr Mach Co Ltd | Dust eliminating device of radiator and oil cooler in construction machine |
| CN204206765U (en) * | 2013-09-27 | 2015-03-18 | 株式会社久保田 | Equipment |
| US20160024991A1 (en) * | 2014-07-22 | 2016-01-28 | Deere & Company | Reversible mechanical fan |
| CN205578099U (en) * | 2016-05-10 | 2016-09-14 | 山东巨明机械有限公司 | Positive reverse rotator of farm machinery radiator fan |
| CN106246325A (en) * | 2016-09-24 | 2016-12-21 | 雷沃重工股份有限公司 | Engine blower controls device |
-
2017
- 2017-09-15 CN CN201710832538.2A patent/CN107654283A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH084528A (en) * | 1994-06-16 | 1996-01-09 | Sumitomo Constr Mach Co Ltd | Dust eliminating device of radiator and oil cooler in construction machine |
| CN204206765U (en) * | 2013-09-27 | 2015-03-18 | 株式会社久保田 | Equipment |
| US20160024991A1 (en) * | 2014-07-22 | 2016-01-28 | Deere & Company | Reversible mechanical fan |
| CN205578099U (en) * | 2016-05-10 | 2016-09-14 | 山东巨明机械有限公司 | Positive reverse rotator of farm machinery radiator fan |
| CN106246325A (en) * | 2016-09-24 | 2016-12-21 | 雷沃重工股份有限公司 | Engine blower controls device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443015A (en) * | 2018-05-22 | 2018-08-24 | 徐州徐工矿山机械有限公司 | A kind of movable Crushing Station dynamical system |
| CN108443015B (en) * | 2018-05-22 | 2024-04-05 | 徐州徐工矿山机械有限公司 | Movable crushing station power system |
| CN111561380A (en) * | 2020-05-22 | 2020-08-21 | 江苏沃得农业机械股份有限公司 | Forward and reverse rotation device for harvester radiator fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180202 |