KR910006932Y1

KR910006932Y1 - Cooling apparatus for pump

Info

Publication number: KR910006932Y1
Application number: KR2019890019998U
Authority: KR
Inventors: 이정곤
Original assignee: 주식회사 금성사; 이헌조
Priority date: 1989-12-27
Filing date: 1989-12-27
Publication date: 1991-09-17
Also published as: KR910011820U

Abstract

내용 없음.No content.

Description

Bearing housing cooling structure of the pump

제1도는 본 고안 구조를 가진 펌프의 단면도.1 is a cross-sectional view of a pump having the present invention structure.

제2도는 본 고안에 사용되는 자켓카버와 패킹의 단면도.2 is a cross-sectional view of the jacket cover and the packing used in the present invention.

제3도는 종래 펌프구조를 나타낸 단면도.3 is a cross-sectional view showing a conventional pump structure.

제4도는 종래구조의 워터자켓 부분 단면도.4 is a partial cross-sectional view of the water jacket of the conventional structure.

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

1 : 회전축 2 : 전면베어링1: rotating shaft 2: front bearing

4 : 베어링하우징 5 : 전면베어링카버4: bearing housing 5: front bearing cover

7 : 워터자켓 8 : 자켓카버7: water jacket 8: jacket cover

9 : 고무패킹9: rubber packing

본 고안은 산업용 베어링 하우징 냉각구조에 관한 것으로, 좀더 구체적으로 고온, 고압의 액체를 이송하는 화학액 이송 펌프(Chemical Process Pump)의 베어링 하우징 구조를 개선하여 냉각성능을 향상시킬 수 있도록 한것이다.The present invention relates to an industrial bearing housing cooling structure, and more specifically, to improve the cooling performance by improving the bearing housing structure of a chemical process pump for transferring liquids of high temperature and high pressure.

일반적으로 이송펌프는 제3도에 도시한 바와같이 외부동력에 의해 회전하는 회전축(11), 회전축(11)의 선단에 결합된 임펠러(19),회전축(11)의 전, 후방에 결합된 전면베어링(12)과 후면베어링(13), 전, 후면 베어링을 감싸는 베어링 하우징(14), 베어링 하우징(14)의 전면에 볼트(17)로 고정되는 전면베어링카버(15), 베어링하우징(14)의 후면에 볼트(18)로 고정되는 후면베어링카버(16)등으로 구성되어 있다.In general, the transfer pump has a rotary shaft 11 rotated by external power as shown in FIG. 3, an impeller 19 coupled to the tip of the rotary shaft 11, and a front surface coupled to the front and rear of the rotary shaft 11. Bearing 12 and rear bearing 13, bearing housing 14 surrounding the front and rear bearings, front bearing cover 15 fixed with bolts 17 on the front of bearing housing 14, bearing housing 14 Consists of a rear bearing cover 16 that is fixed to the rear of the bolt (18).

따라서 외부동력에 의해 회전축(11)이 회전을 하면 회전축(11)의 선단에 고정된 임펠러(19)가 회전을 하게 되고 임펠러(19)의 회전 원심력에 의해 액체가 유입구로 유입되어 배출구를 통해 배출되는데, 화학액 이송펌프와 같이 고온, 고압의 액체를 이송시키는 펌프구조에서는 화학액이 유입구로 들어와 배출구로 배출되는 동안 화학액의 높은 온도가 회전축(11)을 통해 전면베어링(12)과 베어링 하우징(14)내에 주입된 윤활유에 전달되어 펌프성능에 나쁜 영향을 미치게 되므로 이들을 냉각시키기 위한 냉각장치가 필요해진다.Therefore, when the rotary shaft 11 rotates by external power, the impeller 19 fixed to the tip of the rotary shaft 11 rotates, and the liquid flows into the inlet by the centrifugal force of the impeller 19 and is discharged through the outlet. In the pump structure for transferring high-temperature and high-pressure liquids, such as a chemical transfer pump, a high temperature of the chemical liquid flows through the rotating shaft 11 to the front bearing 12 and the bearing housing while the chemical liquid enters and exits the inlet. Since it is delivered to the lubricating oil injected in (14), which adversely affects the pump performance, a cooling device for cooling them is required.

화학액 이송펌프에 적용되어온 냉각장치, 예를들어 제3도 내지 제4도에 도시한 바와같은 장치는 베어링 하우징(14)의 성형시 베어링 하우징의 하부에 냉각수의 충진을 위한 워터자켓(Water Jacket)(20)을 일체로 형성하고 워터자켓(20)의 하부에는 냉각수의 누수방지를 위한 가스켓(22)과 자켓카버(21)를 볼트(23)로 고정한 구조로 되어 있다.A cooling device applied to a chemical liquid transfer pump, for example, a device as shown in FIGS. 3 to 4, has a water jacket for filling coolant in the lower part of the bearing housing when the bearing housing 14 is formed. ) 20 is integrally formed and the lower portion of the water jacket 20 has a structure in which a gasket 22 and a jacket cover 21 are fixed with bolts 23 to prevent leakage of cooling water.

그러나 상기한 종래의 장치는 워터자켓(20)의 위치가 화학액의 온도를 제일 먼저 전달받아 주요냉각 대상이 되는 전면베어링(12)으로 부터 멀리 떨어져 있기 때문에 냉각효과가 미흡하고, 또 워터자켓(20)의 형성에 따라 성형시 금형에서 코어(Core)처리를 해야 함은 물론 베어링 하우징(14)이 대형화되어야 하므로 제조원가가 상승하고 중량이 무거워지는 결점도 있다.However, the conventional apparatus described above has a cooling effect because the position of the water jacket 20 is far from the front bearing 12 which is the main cooling target by receiving the temperature of the chemical solution first, and the water jacket ( According to the formation of 20), as well as the core (Core) treatment in the mold during molding, as well as the bearing housing 14 must be enlarged, there is a drawback that the manufacturing cost increases and the weight becomes heavy.

본 고안은 종래의 이와같은 문제점을 해소하기 위한 것으로, 이를 첨부도면에 의해 더욱 상세히 설명하면 다음과 같다.The present invention is to solve such a problem in the prior art, described in more detail by the accompanying drawings as follows.

전면베어링(2)과 후면베어링(3)이 결합된 회전축(1)의 외측에 베어링 하우징(4)을 설치하고 베어링 하우징(4)에는 전면베어링 카버(5)와 후면베어링카버(6)를 고정한 것에 있어서, 베어링 하우징(4)의 전면베어링 주위로 워터자켓(7)을 형성하고 이 워터 자켓(7)의 전면 개방부에 고무패킹(9)이 결합된 자켓카버(8)를 결합하여 전면베어링카버(5)의 조립시 자켓카버(8)가 동시에 고정될 수 있게 한것이다.The bearing housing (4) is installed on the outside of the rotating shaft (1) in which the front bearing (2) and the rear bearing (3) are coupled, and the front bearing cover (5) and the rear bearing cover (6) are fixed to the bearing housing (4). In which the water jacket 7 is formed around the front bearing of the bearing housing 4, and the front cover of the water jacket 7 is coupled to the jacket cover 8 with the rubber packing 9 coupled to the front opening. When assembling the cover 5, the jacket cover 8 is to be fixed at the same time.

이와같이 구성된 본 고안은 베어링하우징(4)에 형성된 워터자켓(7)이 전면베어링(2)의 주위를 감싸고 있으므로 펌프의 작동시 화학액의 높은온도가 전달되어 올때 주요 냉각대상이 되는 전면베어링(2)을 효과적으로 냉각시킬 수 있게 되며, 이에따라 펌프의 성능이 향상됨은 물론 전면베어링(2)의 수명이 길어진다.The present invention configured as described above has a water jacket (7) formed in the bearing housing (4) is wrapped around the front bearing (2), so that when the high temperature of the chemical fluid is delivered during the operation of the pump front bearing (2) ) Can be effectively cooled, thereby improving the performance of the pump as well as the life of the front bearing (2).

또 베어링 하우징 하부에 비교적 큰 체적의 워터자켓이 형성되는 종래 구조와는 달리 베어링 하우징의 전면에 비교적 작은 체적의 워터자켓을 형성하여 전면베어링을 냉각시키는 구종이어서 베어링 하우징의 외형을 축소시킬 수 있고, 이에따라 중량이 가벼워짐은 물론 제조원가의 절감이 가능해지며, 자켓커버가 전면베어링카버의 조립시 동시에 고정되므로 조립공정도 간소화된다.In addition, unlike the conventional structure in which a relatively large volume of water jacket is formed in the lower part of the bearing housing, the water jacket of a relatively small volume is formed on the front of the bearing housing to cool the front bearing, thereby reducing the appearance of the bearing housing. Accordingly, the weight is light and manufacturing cost is reduced, and the assembly process is simplified because the jacket cover is fixed at the same time assembling the front bearing cover.

Claims

The bearing housing (4) is installed on the outside of the rotating shaft (1) in which the front bearing (2) and the rear bearing (3) are coupled, and the front bearing cover (5) and the rear bearing cover (6) are fixed to the bearing housing (4). In which the water jacket 7 is formed around the front bearing of the bearing housing 4, and the front cover of the water jacket 7 is coupled to the jacket cover 8 having the rubber packing 9 coupled to the front opening. Bearing housing cooling structure of a pump, characterized in that the jacket cover (8) can be fixed at the same time when assembling the cover (5).