KR880001806Y1 - Fan - Google Patents

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Publication number
KR880001806Y1
KR880001806Y1 KR2019850015577U KR850015577U KR880001806Y1 KR 880001806 Y1 KR880001806 Y1 KR 880001806Y1 KR 2019850015577 U KR2019850015577 U KR 2019850015577U KR 850015577 U KR850015577 U KR 850015577U KR 880001806 Y1 KR880001806 Y1 KR 880001806Y1
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KR
South Korea
Prior art keywords
assembled
fan
center
housing
groove
Prior art date
Application number
KR2019850015577U
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Korean (ko)
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KR870008555U (en
Inventor
장병학
Original Assignee
대우중공업 주식회사
이경훈
Priority date (The priority date 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 date listed.)
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Application filed by 대우중공업 주식회사, 이경훈 filed Critical 대우중공업 주식회사
Priority to KR2019850015577U priority Critical patent/KR880001806Y1/en
Publication of KR870008555U publication Critical patent/KR870008555U/en
Application granted granted Critical
Publication of KR880001806Y1 publication Critical patent/KR880001806Y1/en

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    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

내용 없음.No content.

Description

엔진의 냉각팬 진동방지장치Engine cooling fan vibration damper

제1도는 본 고안의 요부 전개사시도.1 is an exploded perspective view of the main part of the present invention.

제2도는 본 고안을 착설한 조립 단면도.2 is an assembled cross-sectional view of the present invention.

제3도는 제2도의 가-가선 확대 단면도.3 is a cross-sectional enlarged cross-sectional view of FIG. 2.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 외측하우징 2 : 내측하우징1: Outer housing 2: Inner housing

4 : 보울트 10 : 구멍4: bolt 10: hole

11,12 : 지지체 13 : 홈11,12 support 13 groove

14 : 와셔 15 : 코일스프링14: washer 15: coil spring

16 : 완충매체 17 : 중심부16: buffer medium 17: the center

21 : 사각홈 22 : 요홈21: square groove 22: groove

23 : 사각 고정편 24 : 긴보울트23: square fixing piece 24: long bolt

25 : 너트25: nuts

본 고안은 엔진의 냉각팬이 회전할때 발생하는 충격의 완화와 팬이 전면풍속이 빠를때 팬 구동부에 미치는 비틀림진동을 제거하기 위한 엔진의 냉각팬 진동방지장치에 관한 것이다.The present invention relates to a cooling fan vibration preventing device of the engine for mitigating the shock generated when the cooling fan of the engine rotates and to remove torsional vibrations on the fan drive unit when the front wind speed is fast.

일반적으로 팬은 냉각수 펌프나 크랭크축에 연결되어 구동케 된다. 따라서 크랭크축의 회전에 따라 전자의 경우는 풀리에 감긴 벨트에 의하여 구동력이 전달되고 후자의 경우는 크랭크축과 동일한 회전수에 의하여 회전된다.Typically, the fan is driven by a coolant pump or crankshaft. Therefore, in the former case, the driving force is transmitted by the belt wound around the pulley according to the rotation of the crankshaft, and the latter case is rotated by the same rotational speed as the crankshaft.

또한 팬에는 전면의 공기를 흡입하거나 토출할때 공기의 저항력을 받으며 이 힘은 회전수에 거의 비례한다. 그러나 엔진의 팬회전수가 급격히 증가하거나 감소하면 벨트 구동의 경우는 풀리에서 슬립이 발생케되어 벨트가 조기마모되며 또, 트랭크축에 직결 구동케된 경우는 그때 발생되는 전단 토오크(Torque)가 크랭크축에 전달케되어 크랭크축에 진동이 악영향을 미치게 된다. 그러므로 팬 댐퍼(damper)로서 고무를 사용한 라버 댐퍼가 사용되기도 하나 이는 고무의 물성이 온도와 시간에 따라 변화되므로 내구성에 문제가 있으며 유연성이 부족하므로 벨트슬립방지에는 큰 역활을 하지 못한 문제점이 있었다.In addition, the fan receives air resistance when inhaling or discharging the front air, and this force is almost proportional to the rotation speed. However, if the engine fan speed increases or decreases rapidly, slippage occurs in the pulley in case of belt drive, and the belt is worn out early. In addition, when the motor is directly connected to the shaft, the shear torque generated at that time is cranked. It is transmitted to the shaft, and vibrations on the crank shaft are adversely affected. Therefore, a rubber damper using rubber as a fan damper may be used. However, since rubber properties change with temperature and time, there is a problem in durability and lack of flexibility, thus preventing the belt slip.

본 고안은 이러한 문제점을 해결하기 위하여 냉각팬이 설치되는 내외하우징의 중심 보울트 선상에 스프링을 완충의 매체로서 사용하여 내구성을 향상시킴과 동시에 진동을 방지하고 또 전면풍속이 빠를때 팬의 역회전력으로 인하여 크랭크축에 미치는 토오크(Torque)를 배제할 수 있도록 착안한 것인데 이를 첨부도면에 의거하여 상세히 설명하면 다음과 같다.In order to solve this problem, the present invention improves durability by using spring as a buffer medium on the center bolt line of internal and external housing where cooling fan is installed. Due to the idea that the torque on the crankshaft (Torque) to be excluded can be described in detail based on the accompanying drawings as follows.

엔진의 크랭크축(20) 선단에 설치되어 있는 댐퍼(damper)(19)의 허브(18)에 내측하우징(2)의 플랜지(3)를 대고 나사공(3')에 보울트(4)를 끼워 고정하고 또 외측하우징(1)의 플랜지(1')에 뚫은 나사공(5)에는 보울트(6)로 팬(7)을 고정한 외측하우징(1)을 내측하우징(2) 외면에 끼워 결합하고 그 내, 외측하우징(1),(2)의 중심부(17)에는 2개의 지지체(11),(12) 내측 중심에 홈(13)을 각각 요설한 곳에 와셔(14)를 끼우고 +자형으로 조립하되 그 지지체(11),(12)의 외측면에 각각 구멍(10)을 뚫어서 지지체(11)와 지지체(12)의 외각부에서 코일스프링(15)을 사방에 끼워 조립한 완충매체(16)를 내외측 하우징(1),(2)의 내벽중심에 요설한 사각홈(21)과 지지체(11),(12) 외측 중심에 요설한 요홈(22) 사이에 각각 사각고정편(23)을 끼워 맞춘다음 외측하우징(1) 중심에서 긴보울트(24)를 완충매체(16) 중심으로 끼워 내측하우징(2)에서 너트(25)로 조여 고정한 것이다.Place the flange 4 of the inner housing 2 on the hub 18 of the damper 19 provided at the tip of the crankshaft 20 of the engine and insert the bolt 4 into the screw hole 3 '. In the screw hole 5 which is fixed and drilled in the flange 1 'of the outer housing 1, the outer housing 1 in which the fan 7 is fixed with the bolt 6 is fitted to the outer surface of the inner housing 2, and In the center 17 of the inner and outer housings 1 and 2, the washers 14 are inserted into the grooves 13 at the inner centers of the two supports 11 and 12, respectively. The buffer medium 16 is formed by drilling holes 10 in the outer surfaces of the supports 11 and 12, respectively, and fitting the coil springs 15 in all directions at the outer sides of the support 11 and the support 12. A square fixing piece 23 between the square groove 21 concave at the inner wall center of the inner and outer housings 1 and 2 and the concave groove 22 concave at the outer center of the support 11 and 12, respectively. Insert the long bolt (24) in the center of the outer housing (1) and cushioning medium (16). It is fixed by tightening with a nut 25 in the inner housing (2) to fit into the center.

이와 같이 구성된 본 고안은 제3도에 도시된 바와 같이 팬(7)을 가진 외측하우징(1)이, 크랭크축(20)의 허브(18)에 보울트(4)로 고정한 내측하우징(2)의 외부에 끼워져서 긴보울트(24)로 중심부(17)의 완충매체(16)와 같이 조립설치되어 있으므로 팬의 전면 풍속이 빠를 경우등에는 와셔(14)를 경계로 하여 외측하우징(1)의 내주면과 내측하우징(2)의 외주면 사이에서 상대적으로 슬라이딩이 발생될 수 있고, 또 이때 발생되는 충격 및 진동은 지지체(11),(12)의 중심내측홈(13)에 와셔(14)를 끼워 +자형으로 조립한 외측면의 구멍(10)에 코일스프링(15)을 사방에 끼워 구성한 완충매체(16)를 통하여 그 사방의 코일스프링(15)의 인장력 미 압축력에 의하여 통제 및 배제되므로 팬(7)과 크랭크축(20) 사이의 급격한 상대운동과 전단력이 감쇄됨으로써 충격의 완화와 팬의 전면풍속이 빠를때 팬구동부에 미치는 비틀림 진동을 방지할 수 있는 효과가 있다.The present invention configured as described above has the outer housing 1 having the fan 7 as shown in FIG. 3 of the inner housing 2 fixed with the bolt 4 to the hub 18 of the crankshaft 20. The inner circumferential surface of the outer housing 1 is bounded by the washer 14 when the front wind speed of the fan is fast, since the long bolt 24 is assembled to the outside and assembled together with the buffer medium 16 of the center 17. And relatively sliding between the outer circumferential surface of the inner housing (2) can be generated, and the shock and vibration generated at this time by inserting the washer (14) in the central inner groove (13) of the support (11), (12) + Since the coil spring 15 is inserted into the hole 10 of the outer side assembled in the shape of a child, it is controlled and excluded by the tension force uncompressed force of the coil spring 15 on all four sides. ) And alleviation of shock and front wind of the fan by abrupt relative movement and shear force between the crankshaft and There is an effect that can prevent the torsional vibration to the fan drive when the stomach is fast.

따라서 안전한 운전과 냉각팬 구동부의 사용 수명을 연장할 수 있는 이점도 있다.Therefore, there is an advantage that can extend the service life of safe operation and cooling fan drive.

Claims (1)

크랭크축(20) 선단 허브(18)에, 내측하우징(2)을 보울트(4)로 고정한 외측에 팬(7)을 가진 외측하우징(1)을 끼워 조립하고 그 내, 외측하우징의 중심부(17)에는 지지체(11),(12) 내측 주심홈(13)에 와셔(14)를 끼워서 +자형으로 조립하고 지지체(11),(12)의 외측면 구멍(10)에 코일스프링(15)을 사방에 끼워 조립한 완충매체(16)를 넣고, 사각고정편(23)을 사각홈(21) 및 요홈(22) 사이에 끼워 맞춘다음 외측하우징(1) 중심에서 긴보울트(24)를 완충매체(16) 중심으로 끼워 내측하우징(2)에서 너트(25)로 조여 설치한 엔진의 냉각팬 진동방지장치.The outer housing 1 having the fan 7 is assembled to the crankshaft 20 front end hub 18 with the inner housing 2 secured by the bolts 4, and the center portion 17 of the inner and outer housings is assembled. ) Is assembled into a + shape by inserting the washer 14 in the inner circumferential groove 13 of the support (11), (12) and the coil spring (15) in the outer hole (10) of the support (11), (12) Insert the buffer medium 16 assembled in all directions, fit the square fixing piece 23 between the square groove 21 and the groove 22, and then the long bolt 24 at the center of the outer housing 1 to buffer the buffer medium. (16) A cooling fan vibration preventing device for an engine installed by tightening a nut (25) from an inner housing (2) into a center.
KR2019850015577U 1985-11-26 1985-11-26 Fan KR880001806Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850015577U KR880001806Y1 (en) 1985-11-26 1985-11-26 Fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850015577U KR880001806Y1 (en) 1985-11-26 1985-11-26 Fan

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KR870008555U KR870008555U (en) 1987-06-12
KR880001806Y1 true KR880001806Y1 (en) 1988-05-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140133661A (en) * 2013-05-09 2014-11-20 현대중공업 주식회사 Washer for connecting chain sprocket of excavator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140133661A (en) * 2013-05-09 2014-11-20 현대중공업 주식회사 Washer for connecting chain sprocket of excavator

Also Published As

Publication number Publication date
KR870008555U (en) 1987-06-12

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