CN115217606B - Adjustable air shield structure and adjusting method thereof - Google Patents
Adjustable air shield structure and adjusting method thereof Download PDFInfo
- Publication number
- CN115217606B CN115217606B CN202210910946.6A CN202210910946A CN115217606B CN 115217606 B CN115217606 B CN 115217606B CN 202210910946 A CN202210910946 A CN 202210910946A CN 115217606 B CN115217606 B CN 115217606B
- Authority
- CN
- China
- Prior art keywords
- wind shield
- fan
- cover
- base
- connecting cover
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 229920002545 silicone oil Polymers 0.000 claims description 26
- 239000000523 sample Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 230000005856 abnormality Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 241000883990 Flabellum Species 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/042—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using fluid couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of cooling systems of commercial vehicle engines, and discloses an adjustable wind shield structure which comprises a wind shield base, a wind shield connecting cover, a flexible connecting rubber, a rotating mechanism, at least two hydraulic rods and a distance control device, wherein one side of the flexible connecting rubber is arranged on the wind shield base through a rubber mounting buckle, the other side of the flexible connecting rubber is arranged on the wind shield connecting cover through a rubber mounting buckle, the rotating mechanism is further arranged on the wind shield base and connected with the wind shield connecting cover to drive the wind shield connecting cover to rotate, and the hydraulic rods are further arranged on the wind shield base and connected with the wind shield connecting cover to control the distance between the wind shield connecting cover and the wind shield base. The invention also discloses an adjusting method of the adjustable air shield structure. The adjustable wind shield structure and the adjusting method thereof can monitor the vibration frequency of the cooling module, the clearance between the wind shield ring and the wind shield and the movement track of the opening fan, and control and solve various problems according to the data in time.
Description
Technical Field
The invention relates to the technical field of cooling systems of commercial vehicle engines, in particular to an adjustable air shield structure and an adjusting method thereof.
Background
In general, a cooling module mounted on a diesel engine or a natural gas commercial vehicle is provided with a wind shield, and is connected with a silicone oil fan through a wind shield ring. The current common failures have the following points:
1. The second-order and fourth-order vibration frequencies of the cooling module and the first-order and second-order vibration frequencies of the engine are in resonance, so that the whole vehicle is high in noise, and the reliability of the cooling module and the engine is reduced;
2. During the running process of the fan, the fan is excited by self-excited vibration of the engine, certain deviation and rotation can occur, collision with the wind protection ring can occur, and finally the damage of the silicone oil fan and the cracking of the wind protection ring are caused;
3. the traditional wind shield cannot monitor and adjust the gap between the wind shield and the wind shield ring in real time;
4. The existing wind shield structure is often integral, and the assembly distance of the wind shield and the wind shield ring cannot be adjusted.
Disclosure of Invention
The invention aims at overcoming the defects of the technology, and provides an adjustable fan shield structure and an adjusting method thereof, which can monitor the vibration frequency of a cooling module, the clearance between a fan shield ring and the fan shield and the movement track of an opening fan, and control and solve various problems according to the data in time.
In order to achieve the above purpose, the adjustable fan guard structure designed by the invention comprises a fan guard base and a fan guard connecting cover arranged on the fan guard base, and is characterized in that: the fan cover is characterized by further comprising a flexible connection rubber which is connected with the fan cover base and the fan cover connecting cover, wherein one side of the flexible connection rubber is installed on the fan cover base through a rubber installation buckle, the other side of the flexible connection rubber is installed on the fan cover connecting cover through a rubber installation buckle, a rotating mechanism is further arranged on the fan cover base and is connected with the fan cover connecting cover to drive the fan cover connecting cover to rotate, at least two hydraulic rods are further arranged on the fan cover base and are connected with the fan cover connecting cover to control the distance between the fan cover connecting cover and the fan cover base.
Preferably, a plurality of vibration strain gauges are arranged on the wind shield base, and the vibration strain gauges monitor the vibration frequency of the wind shield base.
Preferably, the vibration strain gauge is mounted on the fan guard base through a strain gauge clamping groove and a pin hole.
Preferably, a plurality of distance sensors are arranged on one side, facing the wind protection ring, of the wind protection cover connecting cover, and the distance sensors monitor the distance between the wind protection cover connecting cover and the wind protection ring.
Preferably, a plurality of motion trail probes are arranged on one side, facing the silicone oil fan, of the fan shield connecting cover, and the motion trail probes monitor the motion trail of the fan blades of the silicone oil fan.
Preferably, the fan guard base and the fan guard connecting cover are provided with mounting holes for buckling the rubber mounting buckle.
The adjusting method of the adjustable wind shield structure can adjust the angle of the wind shield connecting cover through the rotating mechanism and adjust the angle and the position of the wind shield connecting cover through the hydraulic rod when abnormality occurs.
Preferably, a plurality of vibration strain gauges are arranged on the fan guard base, the vibration strain gauges monitor the vibration frequency of the fan guard base, and when the vibration frequency reaches the vicinity of the resonance frequency of the engine, the ECU performs the following three kinds of control sequentially:
the angle of the fan guard connecting cover is adjusted through the rotating mechanism, the angle and the position of the fan guard connecting cover are adjusted through the hydraulic rod, and the resonance frequency of the engine is far away;
The rotating speed of the silicone oil fan is controlled to be far away from the resonance frequency of the engine;
by adjusting the rotational speed of the engine, the resonant frequency of the engine is kept away.
Preferably, a plurality of distance sensors are arranged on one side, facing the wind protection ring, of the wind protection cover connecting cover, the distance sensors monitor the distance between the wind protection cover connecting cover and the wind protection ring, the distance is input into the whole vehicle ECU, whether the distance is a safe distance is changed through comparison feedback, and if not, the angle and the position of the wind protection cover connecting cover are adjusted through the hydraulic rod, so that the safe distance is achieved.
Preferably, a plurality of motion trail probes are arranged on one side, facing the silicone oil fan, of the wind shield connection cover, the motion trail probes monitor motion trail of the silicone oil fan blades, when the motion trail is abnormal, the distance and angle between the wind shield connection cover and the silicone oil fan blades are controlled through the hydraulic rod and the rotating mechanism, and when the wind shield connection cover cannot be adjusted, faults of the cab blades are fed back.
Compared with the prior art, the invention has the following advantages:
1. The cooling module can be used for detecting the vibration frequency, the vibration frequency of the whole vehicle engine is pre-input through the whole vehicle control unit, and the frequency of the driving force of the cooling module is far away from the natural frequency of the engine vibration system according to different control strategies;
2. the angle of the wind shield and the direction approaching/separating from the silicone oil fan are moved through the hydraulic rod and the rotating mechanism, so that the problem that the traditional wind shield cannot monitor and adjust the gap between the wind shield and the wind shield ring in real time is solved;
3. The matching with the wind protection ring can be changed through the control unit;
4. The motion trail of the silicone oil fan can be monitored to perform early warning in advance;
5. through the flexible connection rubber between the wind shield base and the wind shield connection cover, the hot air backflow and air leakage which are not generated before wind reaches the fan after passing through the radiator are ensured, and the hydraulic rod and the rotating mechanism can work in a better working environment, so that the phenomena of hydraulic cylinder blockage and rotating mechanism clamping damage are avoided;
6. The reliability of the cooling module can be ensured to a great extent, the noise generated by resonance is reduced, the damage of parts caused by resonance is reduced, the driving experience is improved, the physical cost is saved, and the labor cost is reduced;
7. The safety of the wind shield, the wind shield ring and the silicone oil fan can be greatly improved, and the damage frequency of the wind shield ring, the wind shield ring and the fan blades is reduced.
Drawings
FIG. 1 is a side view of an adjustable shield structure of the present invention;
FIG. 2 is a front view of the adjustable shield structure of the present invention;
fig. 3 is a rear view of the adjustable shield structure of the present invention.
The reference numerals of the components in the drawings are as follows:
the device comprises a wind shield base 1, a wind shield connecting cover 2, a flexible connecting rubber 3, a rubber mounting buckle 4, a rotating mechanism 5, a hydraulic rod 6, a vibration strain gauge 7, a distance sensor 8 and a motion track probe 9.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
Example 1
As shown in fig. 1, an adjustable fan guard structure comprises a fan guard base 1, a fan guard connecting cover 2 arranged on the fan guard base 1, a flexible connecting rubber sheet 3 connected with the fan guard base 1 and the fan guard connecting cover 2, wherein one side of the flexible connecting rubber sheet 3 is arranged on the fan guard base 1 through a rubber sheet mounting buckle 4, the other side of the flexible connecting rubber sheet 3 is arranged on the fan guard connecting cover 2 through a rubber sheet mounting buckle 4, a rotating mechanism 5 is further arranged on the fan guard base 1, the rotating mechanism 5 is connected with the fan guard connecting cover 2 to drive the fan guard connecting cover 2 to rotate, two hydraulic rods 6 are further arranged on the fan guard base 1, and the hydraulic rods 6 are connected with the fan guard connecting cover 2 to control the distance between the fan guard connecting cover 2 and the fan guard base 1.
When the embodiment is used, the angle of the fan guard connecting cover 2 can be adjusted through the rotating mechanism 5 when abnormality occurs, and the angle and the position of the fan guard connecting cover 2 can be adjusted through the hydraulic rod 6.
Example 2
The utility model provides an adjustable fan housing structure, including fan housing base 1 and the fan housing of installing on fan housing base 1 connect cover 2, still including the flexible coupling rubber 3 of connecting fan housing base 1 and fan housing connect cover 2, one side of flexible coupling rubber 3 is installed on fan housing base 1 through rubber installation buckle 4, the opposite side is installed on fan housing connect cover 2 through rubber installation buckle 4, still be equipped with slewing mechanism 5 on the fan housing base 1, slewing mechanism 5 is connected with fan housing connect cover 2 and drives fan housing connect cover 2 and rotate, still be equipped with two hydraulic levers 6 on the fan housing base 1, hydraulic lever 6 is connected with fan housing connect cover 2, distance between control fan housing connect cover 2 and the fan housing base 1.
Wherein, be equipped with a plurality of vibration foil gage 7 on the fan guard base 1, vibration foil gage 7 monitors the vibration frequency of fan guard base 1, when the vibration frequency reaches near the resonance frequency of engine, the ECU carries out the following three kinds of control in succession:
The angle of the fan guard connecting cover 2 is adjusted through the rotating mechanism 5, the angle and the position of the fan guard connecting cover 2 are adjusted through the hydraulic rod 6, and the resonance frequency of the engine is far away;
The rotating speed of the silicone oil fan is controlled to be far away from the resonance frequency of the engine;
by adjusting the rotational speed of the engine, the resonant frequency of the engine is kept away.
Example 3
The utility model provides an adjustable fan housing structure, including fan housing base 1 and the fan housing of installing on fan housing base 1 connect cover 2, still including the flexible coupling rubber 3 of connecting fan housing base 1 and fan housing connect cover 2, one side of flexible coupling rubber 3 is installed on fan housing base 1 through rubber installation buckle 4, the opposite side is installed on fan housing connect cover 2 through rubber installation buckle 4, still be equipped with slewing mechanism 5 on the fan housing base 1, slewing mechanism 5 is connected with fan housing connect cover 2 and drives fan housing connect cover 2 and rotate, still be equipped with two hydraulic levers 6 on the fan housing base 1, hydraulic lever 6 is connected with fan housing connect cover 2, distance between control fan housing connect cover 2 and the fan housing base 1.
Wherein, protect fan housing connecting cover 2 towards protecting the one side of wind circle and be equipped with a plurality of distance sensor 8, distance sensor 8 monitors and protects fan housing connecting cover 2 and protect the distance of wind circle, with the whole car ECU of distance input, whether change the distance into safe distance through the comparative feedback, if not, through the angle and the position of hydraulic stem 6 adjustment protection fan housing connecting cover 2, reach safe distance.
Example 4
The utility model provides an adjustable fan housing structure, including fan housing base 1 and the fan housing of installing on fan housing base 1 connect cover 2, still including the flexible coupling rubber 3 of connecting fan housing base 1 and fan housing connect cover 2, one side of flexible coupling rubber 3 is installed on fan housing base 1 through rubber installation buckle 4, the opposite side is installed on fan housing connect cover 2 through rubber installation buckle 4, still be equipped with slewing mechanism 5 on the fan housing base 1, slewing mechanism 5 is connected with fan housing connect cover 2 and drives fan housing connect cover 2 and rotate, still be equipped with two hydraulic levers 6 on the fan housing base 1, hydraulic lever 6 is connected with fan housing connect cover 2, distance between control fan housing connect cover 2 and the fan housing base 1.
Wherein, protect fan housing coupling cover 2 towards one side of silicone oil fan and be equipped with a plurality of motion track probe 9, motion track probe 9 monitor the motion track of silicone oil fan flabellum, when motion track unusual circumstances, control through hydraulic stem 6 and slewing mechanism 5 to protect fan housing coupling cover 2 and the interval and the angle of silicone oil fan flabellum, when unable adjustment, feedback driver's cabin flabellum trouble.
Example 5
As shown in fig. 1, fig. 2 and fig. 3, an adjustable fan guard structure comprises a fan guard base 1 and a fan guard connecting cover 2 arranged on the fan guard base 1, and further comprises a flexible connecting rubber sheet 3 for connecting the fan guard base 1 and the fan guard connecting cover 2, wherein one side of the flexible connecting rubber sheet 3 is arranged on the fan guard base 1 through a rubber mounting buckle 4, the other side of the flexible connecting rubber sheet is arranged on the fan guard connecting cover 2 through a rubber mounting buckle 4, a rotating mechanism 5 is further arranged on the fan guard base 1, the rotating mechanism 5 is connected with the fan guard connecting cover 2 to drive the fan guard connecting cover 2 to rotate, two hydraulic rods 6 are further arranged on the fan guard base 1, the hydraulic rods 6 are connected with the fan guard connecting cover 2, and the distance between the fan guard connecting cover 2 and the fan guard base 1 is controlled.
Wherein, be equipped with a plurality of vibration strain gauge 7 on the shield base 1, vibration strain gauge 7 monitors the vibration frequency of shield base 1, vibration strain gauge 7 passes through the mode of foil gauge draw-in groove and pinhole and installs on shield base 1, shield connecting cover 2 is equipped with a plurality of distance sensor 8 towards one side of protecting the wind circle, distance sensor 8 monitors the distance of shield connecting cover 2 and protecting the wind circle, shield connecting cover 2 is equipped with a plurality of motion track probe 9 towards one side of silicone oil fan, motion track probe 9 monitors the motion track of silicone oil fan flabellum, all be equipped with the mounting hole that supplies rubber installation buckle 3 lock on shield base 1 and the shield connecting cover 2.
When an abnormality occurs, the angle of the shield connection cover 2 can be adjusted through the rotating mechanism 5, and the angle and the position of the shield connection cover 2 can be adjusted through the hydraulic rod 6.
Specifically, when the vibration frequency reaches around the resonance frequency of the engine, the ECU performs the following three controls in succession:
The angle of the fan guard connecting cover 2 is adjusted through the rotating mechanism 5, the angle and the position of the fan guard connecting cover 2 are adjusted through the hydraulic rod 6, and the resonance frequency of the engine is far away;
The rotating speed of the silicone oil fan is controlled to be far away from the resonance frequency of the engine;
by adjusting the rotational speed of the engine, the resonant frequency of the engine is kept away.
In addition, the distance sensor 8 monitors the distance between the shield connecting cover 2 and the shield ring, inputs the distance into the whole vehicle ECU, and adjusts the angle and the position of the shield connecting cover 2 to reach the safety distance by comparing and feeding back whether the distance is the safety distance or not, if not, the angle and the position of the shield connecting cover 2 are adjusted by the hydraulic rod 6.
Finally, the motion trail probe 9 monitors the motion trail of the silicone oil fan blades, when the motion trail is abnormal, the distance and the angle between the fan guard connecting cover 2 and the silicone oil fan blades are controlled through the hydraulic rod 6 and the rotating mechanism 5, and when the distance and the angle cannot be adjusted, the fault of the cab blades is fed back.
In the above embodiment, it is first necessary to ensure the safe distances between the fan guard base 1, the fan guard connection cover 2, the fan guard ring and the fan blades.
The adjustable wind shield structure and the adjusting method thereof can monitor the vibration frequency of the cooling module, the gap between the wind shield ring and the wind shield and the motion track of the opening fan, and control and solve various problems according to the data in time, thereby greatly ensuring the reliability of the cooling module, reducing the noise generated by resonance and the damage of parts caused by resonance, improving driving experience, saving physical cost and labor cost; and the safety of the wind shield, the wind shield ring and the silicone oil fan can be greatly improved, and the damage frequency of the wind shield ring, the wind shield ring and the fan blades is reduced.
Claims (7)
1. The utility model provides an adjustable fan guard structure, includes fan guard base (1) and installs fan guard connecting cover (2) on the fan guard base (1), its characterized in that: the novel wind turbine generator system is characterized by further comprising a flexible connection rubber (3) connected with the wind shield base (1) and the wind shield connection cover (2), wherein one side of the flexible connection rubber (3) is installed on the wind shield base (1) through a rubber installation buckle (4), the other side of the flexible connection rubber is installed on the wind shield connection cover (2) through the rubber installation buckle (4), a rotating mechanism (5) is further arranged on the wind shield base (1), the rotating mechanism (5) is connected with the wind shield connection cover (2) to drive the wind shield connection cover (2) to rotate, at least two hydraulic rods (6) are further arranged on the wind shield base (1), the hydraulic rods (6) are connected with the wind shield connection cover (2), the distance between the wind shield connection cover (2) and the wind shield base (1) is controlled, a plurality of vibration strain gauges (7) are arranged on the wind shield base (1), the frequency of the wind shield connection cover (1) is connected with a plurality of wind shield connection rings (8), the wind shield connection rings (8) are connected with the wind shield connection rings (2), the distance between the wind shield connection rings (8), and the motion trail probe (9) monitors the motion trail of the blades of the silicone oil fan.
2. The adjustable hood structure of claim 1, wherein: the vibration strain gauge (7) is arranged on the fan guard base (1) through a strain gauge clamping groove and a pin hole.
3. The adjustable hood structure of claim 1, wherein: the fan guard base (1) and the fan guard connecting cover (2) are respectively provided with mounting holes for buckling the rubber mounting buckles (3).
4. A method of adjusting an adjustable hood structure according to claim 1, wherein: when an abnormality occurs, the angle of the fan guard connecting cover (2) can be adjusted through the rotating mechanism (5), and the angle and the position of the fan guard connecting cover (2) can be adjusted through the hydraulic rod (6).
5. The method of adjusting an adjustable hood structure of claim 4, wherein: be equipped with a plurality of vibration strain gauge (7) on protecting fan housing base (1), vibration strain gauge (7) monitor protect the vibration frequency of fan housing base (1), when the vibration frequency reaches near the resonance frequency of engine, the ECU carries out the following three kinds of control in succession:
The angle of the fan guard connecting cover (2) is adjusted through the rotating mechanism (5), the angle and the position of the fan guard connecting cover (2) are adjusted through the hydraulic rod (6), and the resonance frequency of the engine is far away;
The rotating speed of the silicone oil fan is controlled to be far away from the resonance frequency of the engine;
by adjusting the rotational speed of the engine, the resonant frequency of the engine is kept away.
6. The method of adjusting an adjustable hood structure of claim 5, further comprising: the wind shield connecting cover (2) is provided with a plurality of distance sensors (8) towards one side of the wind shield ring, the distance sensors (8) monitor the distance between the wind shield connecting cover (2) and the wind shield ring, the distance is input into the whole vehicle ECU, whether the distance is a safety distance or not is changed through comparison feedback, if not, the angle and the position of the wind shield connecting cover (2) are adjusted through the hydraulic rod (6), and the safety distance is achieved.
7. The method of adjusting an adjustable hood structure of claim 5, further comprising: the fan protection cover is characterized in that a plurality of motion trail probes (9) are arranged on one side, facing the silicone oil fan, of the fan protection cover connecting cover (2), the motion trail probes (9) monitor motion trail of the silicone oil fan blades, when the motion trail is abnormal, the distance and the angle between the fan protection cover connecting cover (2) and the silicone oil fan blades are controlled through the hydraulic rod (6) and the rotating mechanism (5), and when the fan protection cover connecting cover cannot be adjusted, the fan protection cover is used for feeding back faults of the cab fan blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910946.6A CN115217606B (en) | 2022-07-29 | 2022-07-29 | Adjustable air shield structure and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910946.6A CN115217606B (en) | 2022-07-29 | 2022-07-29 | Adjustable air shield structure and adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115217606A CN115217606A (en) | 2022-10-21 |
| CN115217606B true CN115217606B (en) | 2024-04-19 |
Family
ID=83616206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210910946.6A Active CN115217606B (en) | 2022-07-29 | 2022-07-29 | Adjustable air shield structure and adjusting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115217606B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004036590A (en) * | 2002-07-08 | 2004-02-05 | Hitachi Constr Mach Co Ltd | Engine cooling device for construction machine |
| CN1975121A (en) * | 2005-11-10 | 2007-06-06 | 三菱重工业株式会社 | Forced-air-cooled engine with cooling air guide cover |
| CN204783776U (en) * | 2015-06-02 | 2015-11-18 | 上海柴油机股份有限公司 | Diesel engine fan protects solar or lunar halo |
| DE102014210232A1 (en) * | 2014-05-28 | 2015-12-03 | MAHLE Behr GmbH & Co. KG | fan arrangement |
| CN105626224A (en) * | 2014-11-05 | 2016-06-01 | 陕西重型汽车有限公司 | Air protection device for vehicle fan and heavy automobile |
| CN206319952U (en) * | 2016-10-21 | 2017-07-11 | 东风商用车有限公司 | A kind of process of truck wind-shielding assembly |
| CN215672785U (en) * | 2021-06-29 | 2022-01-28 | 合肥长安汽车有限公司 | Cooling fan structure of automobile |
-
2022
- 2022-07-29 CN CN202210910946.6A patent/CN115217606B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004036590A (en) * | 2002-07-08 | 2004-02-05 | Hitachi Constr Mach Co Ltd | Engine cooling device for construction machine |
| CN1975121A (en) * | 2005-11-10 | 2007-06-06 | 三菱重工业株式会社 | Forced-air-cooled engine with cooling air guide cover |
| DE102014210232A1 (en) * | 2014-05-28 | 2015-12-03 | MAHLE Behr GmbH & Co. KG | fan arrangement |
| CN105626224A (en) * | 2014-11-05 | 2016-06-01 | 陕西重型汽车有限公司 | Air protection device for vehicle fan and heavy automobile |
| CN204783776U (en) * | 2015-06-02 | 2015-11-18 | 上海柴油机股份有限公司 | Diesel engine fan protects solar or lunar halo |
| CN206319952U (en) * | 2016-10-21 | 2017-07-11 | 东风商用车有限公司 | A kind of process of truck wind-shielding assembly |
| CN215672785U (en) * | 2021-06-29 | 2022-01-28 | 合肥长安汽车有限公司 | Cooling fan structure of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115217606A (en) | 2022-10-21 |
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