KR20010097258A - power transmittion device of skid loader - Google Patents
power transmittion device of skid loader Download PDFInfo
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- KR20010097258A KR20010097258A KR1020000021169A KR20000021169A KR20010097258A KR 20010097258 A KR20010097258 A KR 20010097258A KR 1020000021169 A KR1020000021169 A KR 1020000021169A KR 20000021169 A KR20000021169 A KR 20000021169A KR 20010097258 A KR20010097258 A KR 20010097258A
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- gear box
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- hydraulic pump
- engine
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H2012/006—Structures with truss-like sections combined with tubular-like sections
Abstract
본 발명은 스키드로더의 동력전달장치에 대해 개시한다.The present invention discloses a power train for a skid steer loader.
종래 스키드로더의 동력전달장치는, 유압펌프 및 유압모터에 전달된 엔진의 동력이 별도의 경감수단없이 그대로 붐실린더, 버켓실린더, 및 체인스프로킷에 전달되므로 엔진, 및 유압펌프, 유압모터에 무리하게 과부하가 걸리게 되었고, 결국 이들의 수명을 단축시키는 요인이 되었다.In the conventional power transmission device of the skid steer loader, the power of the engine delivered to the hydraulic pump and the hydraulic motor is directly transmitted to the boom cylinder, the bucket cylinder, and the chain sprocket without any additional reducing means, so it is unreasonable to the engine, the hydraulic pump, and the hydraulic motor. Overloaded, and eventually shortened their lifespan.
따라서, 엔진(11)과 유압펌프(15) 사이에 감속기어박스(13)가 더 설치되고, 유압모터(18)와 체인스프로킷(29)을 구동시키는 전동축(27) 사이에 변속기어박스(19)가 더 설치된 스키드로더의 동력전달장치를 구비하였다.Therefore, a reduction gear box 13 is further installed between the engine 11 and the hydraulic pump 15, and the transmission gear box between the transmission shaft 27 driving the hydraulic motor 18 and the chain sprocket 29 ( 19) was further equipped with a power train for the skid steer loader.
그러므로, 엔진(11)의 구동력이 감속기어박스(13)를 통해 유압펌프(15)에 전달되고 유압펌프(15)에 전달된 동력이 제1작동밸브(16)를 통해 붐이나 실린더를 작동시키고, 제2작동밸브(17), 및 유압모터(18)를 통해 변속기어박스(19)로 전달되며 변속기어박스(19)에 전달된 동력이 체인스프로킷(29), 체인(30)을 통해 앞뒤바퀴(31)(32)에 전달되므로 감속기어박스(13) 및 변속기어박스(19)에 의해 유압펌프(15), 유압모터(18), 엔진(11)의 피로가 경감되고, 이에 따라 부품의 수명이 연장되고 출력이 증강될 뿐 아니라, 정속 출력으로 인해 소음 및 공해 물질 배출을 줄어들게 되어 환경을 보호할 수 있도록 하였다.Therefore, the driving force of the engine 11 is transmitted to the hydraulic pump 15 through the reduction gear box 13 and the power transmitted to the hydraulic pump 15 operates the boom or the cylinder through the first operating valve 16. , The second actuated valve 17, and the hydraulic motor 18 are transmitted to the transmission gear box 19, and the power transmitted to the transmission gear box 19 is moved back and forth through the chain sprocket 29 and the chain 30. Since it is transmitted to the wheels 31 and 32, fatigue of the hydraulic pump 15, the hydraulic motor 18, and the engine 11 is reduced by the reduction gear box 13 and the transmission gear box 19. In addition to extending the service life and increasing power output, the constant speed output also helps to protect the environment by reducing noise and pollutant emissions.
Description
본 발명은 본 발명은 스키드로더의 동력전달장치에 관한 것으로, 특히 스키드로더의 주행시 유압펌프, 유압모터, 엔진의 피로를 경감시킬 수 있는 스키드로더의 동력전달장치에 관한 것이다.The present invention relates to a power transmission device of the skid loader, and more particularly to a power transmission device of the skid loader that can reduce the fatigue of the hydraulic pump, the hydraulic motor, the engine when the skid loader is running.
일반적으로 스키드로더는 좁은 공간에서 힘든 일을 효과적으로 수행할 수 있도록 개발되어서 농촌의 좁은 공간에서 전방에 설치되어 버켓에 의해 작업, 즉 퇴비처리작업이나, 발효돈사의 톱밥처리와 같은 작업을 훌륭하게 수행할 수 있음은 물론이고, 도로정지작업, 제설작업, 또는 견인작업, 과수, 원예, 조경작업 등을 단시간에 효과적으로 수행할 수 있도록 되어 있다.In general, skid steer loaders have been developed to efficiently perform hard work in narrow spaces, so they can be installed in front of small spaces in rural areas to perform tasks by buckets, that is, composting or sawdust treatment of fermented pigs. Of course, it is possible to effectively perform road stop work, snow removal, or towing work, fruit tree, gardening, landscaping work in a short time.
이러한 스키드로더의 동력전달경로를 보면, 도1에 도시한 바와 같이 엔진(1)의 동력이 유압탱크를 통해 유압펌프(2)에 전달되고, 이 유압펌프(2)에 전달된 동력은 제1작동밸브(3)를 통해 붐실린더(4)나 버켓실린더(5)에 전달되어서 붐이나 버켓을 작동시킨다.Referring to the power transmission path of the skid loader, as shown in Figure 1, the power of the engine 1 is transmitted to the hydraulic pump 2 through the hydraulic tank, the power transmitted to the hydraulic pump 2 is the first It is transmitted to the boom cylinder (4) or bucket cylinder (5) through the operating valve (3) to operate the boom or bucket.
또한 유압펌프(2)의 동력은 제2작동밸브(6)를 통해서 유압모터(7)로도 전달되어서 체인스프로킷(8)을 구동시키고, 이 체인스프로킷(8)의 구동에 의해 체인(9)이 구동되어서 결국 앞바퀴(10)와 뒷바퀴(11)가 회전된다.The power of the hydraulic pump 2 is also transmitted to the hydraulic motor 7 through the second actuating valve 6 to drive the chain sprocket 8, and the chain 9 is driven by the chain sprocket 8. Driven, the front wheel 10 and the rear wheel 11 is eventually rotated.
그런데 이러한 종래 스키드로더의 동력전달장치는, 유압펌프(2) 및 유압모터(7)에 전달된 엔진의 동력이 별도의 경감수단없이 그대로 붐실린더(4), 버켓실린더(5), 및 체인스프로킷(8)에 전달되므로 엔진(1), 및 유압펌프(2), 유압모터(7)에 무리하게 과부하가 걸리게 되었고, 결국 이들의 수명을 단축시키는 요인이 되었다.However, the power transmission device of the conventional skid loader, the power of the engine transmitted to the hydraulic pump (2) and the hydraulic motor (7) as it is without additional reduction means boom cylinder (4), bucket cylinder (5), and chain sprocket Since it is transmitted to (8), the engine 1, the hydraulic pump 2, and the hydraulic motor 7 are excessively overloaded, and ultimately, they become a factor of shortening their lifespan.
상술한 문제를 해결하기 위한 본 발명의 목적은, 엔진, 유압펌프, 유압모터에 과부하가 걸리지 않도록 한 스키드로더의 동력전달장치를 제공하는데 있다.SUMMARY OF THE INVENTION An object of the present invention for solving the above problems is to provide a power transmission device of a skid loader which does not overload the engine, hydraulic pump, hydraulic motor.
이와 같은 목적을 달성하기 위한 본 발명 스키드로더의 동력전달장치는, 엔진의 동력이 유압펌프 및 작동밸브를 통해 앞뒤바퀴, 붐실린더, 버켓실린더에 전달되도록 된 스키드로더의 동력전달장치에 있어서, 엔진과 유압펌프 사이에 감속기어박스가 더 설치되고, 유압모터와 체인스프로킷을 구동시키는 전동축 사이에 변속기어박스가 더 설치된 것을 특징으로 한다.In the power transmission device of the skid loader of the present invention for achieving the above object, in the power transmission device of the skid loader such that the power of the engine is transmitted to the front and rear wheels, boom cylinder, bucket cylinder through the hydraulic pump and the operating valve, And a reduction gear box is further installed between the hydraulic pump and the transmission gear box between the electric shaft driving the hydraulic motor and the chain sprocket.
따라서, 엔진의 구동력이 감속기어박스를 통해 유압펌프에 전달되고 유압펌프에 전달된 동력이 제1작동밸브를 통해 붐이나 실린더를 작동시키고, 제2작동밸브, 및 유압모터를 통해 변속기어박스로 전달되며 변속기어박스에 전달된 동력이 체인스프로킷, 체인을 통해 앞뒤바퀴에 전달되므로 감속기어박스 및 변속기어박스에 의해 유압펌프, 유압모터, 엔진의 피로가 경감되고, 이에 따라 부품의 수명이 연장되고 출력이 증강될 뿐 아니라, 정속 출력으로 인해 소음 및 공해 물질 배출을 줄어들게 되어 환경을 보호할 수 있도록 하였다.Therefore, the driving force of the engine is transmitted to the hydraulic pump through the reduction gear box, and the power transmitted to the hydraulic pump operates the boom or the cylinder through the first operating valve, and the transmission gear box through the second operating valve and the hydraulic motor. The power transmitted to the transmission gearbox is transmitted to the front and rear wheels through the chain sprocket and the chain, thereby reducing the fatigue of the hydraulic pump, the hydraulic motor, and the engine by the reduction gearbox and the gearbox. In addition to increased power output, the constant speed output also helps to protect the environment by reducing noise and pollutant emissions.
도1은 종래 스키드로더의 동력전달장치를 보이는 개략적 평면도1 is a schematic plan view showing a power transmission device of a conventional skid steer loader
도2는 본 발명 스키드로더의 동력전달장치를 보이는 개략적 평면도Figure 2 is a schematic plan view showing a power transmission device of the present invention skid steer loader
도3은 본 발명 동력전달장치가 설치된 스키드로더를 보이는 개략적 측면도Figure 3 is a schematic side view showing a skid steer loader equipped with the present invention power transmission device
*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
11 ; 엔진 13 ; 감속기어박스11; Engine 13; Reduction Gear Box
15 ; 유압펌프 16 ; 제1작동밸브15; Hydraulic pump 16; 1st operation valve
17 ; 제2작동밸브 18 ; 유압모터17; Second actuating valve 18; Hydraulic motor
19 ; 변속기어박스 29 ; 체인스프로킷19; Transmission gearbox 29; Chain sprocket
30 ; 체인 31 ; 앞바퀴30; Chain 31; Front wheel
32 ; 뒷바퀴32; Rear wheel
본 발명의 구체적 특징 및 이점은 첨부된 도면을 참조한 이하의 설명으로 더욱 명확해 질 것이다.Specific features and advantages of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings.
도2는 본 발명 스키드로더의 동력전달장치를 보이는 개략적 평면도이고, 도3은 동력전달장치가 설치된 스키드로더의 측면도로써, 엔진(11)에는 조인트(12)에 의해 감속기어박스(13)가 연결되어 있고, 이 감속기어박스(13)에는 유압탱크(14)로부터 유압을 공급받는 유압펌프(15)가 연결되어 있다.Figure 2 is a schematic plan view showing a power transmission device of the present invention skid loader, Figure 3 is a side view of the skid loader is a power transmission device is installed, the reduction gear box 13 is connected to the engine 11 by a joint (12). The reduction gear box 13 is connected to a hydraulic pump 15 that receives hydraulic pressure from the hydraulic tank 14.
유압펌프(15)는 한 라인이 붐실린더(34)와 버켓실린더(35)를 작동시킬 제1작동밸브(16)에 연결되어 있고, 다른 라인이 앞바퀴(31)와 뒷바퀴(32)를 작동시킬 제2작동밸브(17)와 연결되어 있다.The hydraulic pump 15 has one line connected to the first actuating valve 16 to operate the boom cylinder 34 and the bucket cylinder 35, and the other line to operate the front wheel 31 and the rear wheel 32. It is connected to the second actuating valve 17.
제1작동밸브(16)는 붐실린더와 버켓실린더에 연결되어 붐과 버켓을 구동시키게 되고, 제2작동밸브(17)는 유압모터(18)에 연결되어 있으며, 유압모터(18)는 변속기어박스(19)에 연결되고, 변속기어박스(19)는 전동축(27)에 연결된다.The first operation valve 16 is connected to the boom cylinder and the bucket cylinder to drive the boom and the bucket, the second operation valve 17 is connected to the hydraulic motor 18, the hydraulic motor 18 is a transmission gear It is connected to the box 19, the transmission gear box 19 is connected to the transmission shaft (27).
여기서 변속기어박스(19)는 유압모터(18)에 연결되는 구동기어(20)와, 가이드축(22) 상에 설치되어 구동기어(20)를 이송시키는 기어체인지레버(21)와, 구동기어(20)에 선택적으로 치합되는 저속기어(23) 및 고속기어(24)와, 고속기어(24) 또는 저속기어(23)에 치합되는 연결기어(25)와, 연결기어(25)에 치합되고 전동축(27) 상에 설치되는 전동기어(26)로 이루어진다.Here, the transmission gear box 19 includes a drive gear 20 connected to the hydraulic motor 18, a gear change lever 21 installed on the guide shaft 22 to transfer the drive gear 20, and a drive gear. The low gear 23 and the high speed gear 24 selectively engaged with the 20, the gear 25 connected to the high speed gear 24 or the low gear 23, and the connecting gear 25, It consists of an electric gear 26 installed on the transmission shaft 27.
전동축(27) 양측에는 다수의 체인스프로킷(29)이 설치되어 있고, 체인스프로킷(29)과 전동기어(26) 사이에는 조인트(18)가 구비되어 있으며, 체인스프로킷(29)과 앞바퀴(31), 뒷바퀴(32)에는 각각 체인(30)이 연결되어 있어 전동축(27)의 회전동력을 앞뒤바퀴(31)(32)에 전달되도록 되어 있다.A plurality of chain sprockets 29 are provided on both sides of the transmission shaft 27, and a joint 18 is provided between the chain sprocket 29 and the electric gear 26, and the chain sprocket 29 and the front wheel 31 are provided. The rear wheel 32 is connected to each of the chains 30 so that the rotational power of the transmission shaft 27 is transmitted to the front and rear wheels 31 and 32.
이러한 구성의 본 발명 스키드로더의 동력전달장치는, 엔진(11)을 구동시키면 그 동력이 조인트(12)를 통해 감속기어박스(13)로 전달되고 감속기어박스(13)에 전달된 동력은 유압펌프(15)로 전달되는데, 유압펌프(15)는 유압탱크(14)을 통해 유압이 발생된다.In the power transmission device of the present invention skid loader having such a configuration, when the engine 11 is driven, the power is transmitted to the reduction gear box 13 through the joint 12 and the power transmitted to the reduction gear box 13 is hydraulic. Is delivered to the pump 15, the hydraulic pump 15 is the hydraulic pressure is generated through the hydraulic tank (14).
이 유압펌프(15)는 제1작동밸브(16)와 제2작동밸브(17)에 각각 유압을 전달하여서 붐과 버켓, 그리고 앞뒤바퀴(31)(32)를 작동시키게 되는바, 먼저 제1작동밸브(16)에 전달된 유압은 붐실린더(34)와 버켓실린더(35)에 공급되어서 붐(36)과 버켓(37)을 작동시킨다.The hydraulic pump 15 transmits hydraulic pressure to the first actuating valve 16 and the second actuating valve 17 to operate the boom, the bucket, and the front and rear wheels 31, 32. The hydraulic pressure transmitted to the operation valve 16 is supplied to the boom cylinder 34 and the bucket cylinder 35 to operate the boom 36 and the bucket 37.
그리고 제2작동밸브(17)에 전달된 유압은 유압모터(18)에 전달되어서 이를 구동시키게 되고 유압모터(18)는 변속기어박스(19)의 구동기어(20)를 구동시키게 된다.The hydraulic pressure transmitted to the second operation valve 17 is transmitted to the hydraulic motor 18 to drive the hydraulic motor 18, and the hydraulic motor 18 drives the drive gear 20 of the transmission gear box 19.
구동기어(20)는 기어체인지레버(21)에 의해 저속기어(23)나 고속기어(24)에 선택적으로 치합되고 이 저속기어(23)나 고속기어(24)에 의해 연결기어(25)가 저속, 또는 고속으로 회전되는 것이다.The drive gear 20 is selectively engaged with the low speed gear 23 or the high speed gear 24 by the gear change lever 21, and the low speed gear 23 or the high speed gear 24 connects the connecting gear 25 with the gear 25. It is rotated at low speed or high speed.
연결기어(25)의 회전동력은 전동기어(26)를 통해 전동축(27)에 전달되고 전동축(27)은 양단에 설치된 체인스프로킷(29)을 회전시키며, 이 체인스프로킷(29)은 체인(30)을 구동시켜서 스키드로더의 앞바퀴(31)와 뒷바퀴(32)를 구동시키게 된다.The rotational power of the connecting gear 25 is transmitted to the transmission shaft 27 through the transmission gear 26, and the transmission shaft 27 rotates the chain sprocket 29 installed at both ends, and the chain sprocket 29 is connected to the chain. By driving 30, the front wheel 31 and the rear wheel 32 of the skid loader are driven.
이러한 본 발명 스키드로더의 동력전달장치는, 엔진(11)의 구동력이 유압펌프(15)에 그대로 전달되는 것이 아니라 감속기어박스(13)를 통해서 전달되므로 유압펌프(15) 및 엔진(11)의 피로도를 경감시키게 된다.The power transmission device of the skid loader of the present invention, the driving force of the engine 11 is not transmitted to the hydraulic pump 15 as it is, but is transmitted through the reduction gear box 13 of the hydraulic pump 15 and the engine 11 It will reduce fatigue.
또한 유압모터(18)와 체인스프로킷(29) 사이에 변속기어박스(19)가 설치되어 있기 때문에 변속기어박스(19)에 의해 유압모터(18)에 걸리는 과부하가 해소되며, 이에 따라 유압모터(18)의 피로도를 경감시키게 된다.In addition, since the transmission gear box 19 is installed between the hydraulic motor 18 and the chain sprocket 29, the overload applied to the hydraulic motor 18 by the transmission gear box 19 is eliminated, and thus the hydraulic motor ( The fatigue of 18) can be reduced.
그러므로 이러한 본 발명 스키드로더의 동력전달장치는 엔진(11), 유압펌프(15), 유압모터(18)로 비교적 큰 출력이 요구되는 붐, 버켓, 앞뒤바퀴(31)(32)를 구동시키기 전에 감속기어박스(13)와 변속기어박스(19)에 의해과부하를 어느 정도 해소시키게 되므로 부품의 손상을 방지시킬 수 있게 된다.Therefore, the power transmission device of the present invention skid steer loader before driving the boom, bucket, front and rear wheels (31, 32) that requires a relatively large output to the engine (11), hydraulic pump (15), hydraulic motor (18). By reducing the overload to some extent by the reduction gear box 13 and the transmission gear box 19, it is possible to prevent damage to the parts.
한편 본 발명에서는 붐실린더 페달(42)과 버켓실린더 페달(41) 양측에 악세레이터 페달(43)과 브레이크 페달(44)을 설치하였다.On the other hand, in the present invention, the accelerator pedal 43 and the brake pedal 44 are provided on both sides of the boom cylinder pedal 42 and the bucket cylinder pedal 41.
따라서 붐실린더 페달(42), 버켓실린더 페달(41) 뿐 아니라 악세레이터 페달(43)과 브레이크 페달(44)을 발로 조작할 수 있게 되었다.Therefore, the accelerator pedal 43 and the brake pedal 44 as well as the boom cylinder pedal 42 and the bucket cylinder pedal 41 can be operated by the foot.
그러므로 붐실린더 페달, 버켓실린더 페달은 발로 조작하였고 악세레이터와 브레이크는 손으로 조작하였던 종래와는 달리 네개의 페달을 발로 조작할 수 있으므로 조작이 매우 편리해졌으며, 양 손으로는 핸들조작만 하면 되므로 안전 운전을 할 수 있게 된다.Therefore, the boom cylinder pedal and bucket cylinder pedal are operated by foot, and the accelerator and brake are operated by four pedals. You can drive.
이상에서와 같은 본 발명에 따른 스키드로더의 동력전달장치에 의하면, 엔진(11)의 구동력이 감속기어박스(13)를 통해 유압펌프(15)에 전달되고 유압펌프(15)에 전달된 동력이 제1작동밸브(16)를 통해 붐이나 실린더를 작동시키고, 제2작동밸브(17), 및 유압모터(18)를 통해 변속기어박스(19)로 전달되며 변속기어박스(19)에 전달된 동력이 체인스프로킷(29), 체인(30)을 통해 앞뒤바퀴(31)(32)에 전달되므로 감속기어박스(13) 및 변속기어박스(19)에 의해 유압펌프(15), 유압모터(18), 엔진(11)의 피로가 경감되고, 이에 따라 부품의 수명이 연장되고 출력이 증강될 뿐 아니라, 정속 출력으로 인해 소음 및 공해 물질 배출을 줄어들게 되어 환경을 보호할 수 있는 효과가 있다.According to the power transmission device of the skid loader according to the present invention as described above, the driving force of the engine 11 is transmitted to the hydraulic pump 15 through the reduction gear box 13 and the power transmitted to the hydraulic pump 15 is The boom or the cylinder is operated through the first operating valve 16, the second operating valve 17, and the hydraulic motor 18 are transferred to the transmission gear box 19 and transmitted to the transmission gear box 19. Since power is transmitted to the front and rear wheels 31 and 32 through the chain sprocket 29 and the chain 30, the hydraulic pump 15 and the hydraulic motor 18 are driven by the reduction gear box 13 and the transmission gear box 19. ), Fatigue of the engine 11 is reduced, thereby extending the life of the parts and increasing the output, as well as reducing the noise and pollution emissions due to the constant speed output has the effect of protecting the environment.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000021169A KR20010097258A (en) | 2000-04-21 | 2000-04-21 | power transmittion device of skid loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000021169A KR20010097258A (en) | 2000-04-21 | 2000-04-21 | power transmittion device of skid loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20010097258A true KR20010097258A (en) | 2001-11-08 |
Family
ID=19666041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000021169A KR20010097258A (en) | 2000-04-21 | 2000-04-21 | power transmittion device of skid loader |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20010097258A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168757A (en) * | 1978-02-21 | 1979-09-25 | Clark Equipment Company | Drive system for a skid steer loader |
| US4962821A (en) * | 1989-03-22 | 1990-10-16 | Daewoo Heavy Industries Ltd. | Discrete drive system for a skid steer loader |
-
2000
- 2000-04-21 KR KR1020000021169A patent/KR20010097258A/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168757A (en) * | 1978-02-21 | 1979-09-25 | Clark Equipment Company | Drive system for a skid steer loader |
| US4962821A (en) * | 1989-03-22 | 1990-10-16 | Daewoo Heavy Industries Ltd. | Discrete drive system for a skid steer loader |
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