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KR102244405B1 - Spring Equiped Tray Apparatus for Horizental Multi-Stage Pump Inner Casing Assemble - Google Patents

Spring Equiped Tray Apparatus for Horizental Multi-Stage Pump Inner Casing Assemble Download PDF

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Publication number
KR102244405B1
KR102244405B1 KR1020200133398A KR20200133398A KR102244405B1 KR 102244405 B1 KR102244405 B1 KR 102244405B1 KR 1020200133398 A KR1020200133398 A KR 1020200133398A KR 20200133398 A KR20200133398 A KR 20200133398A KR 102244405 B1 KR102244405 B1 KR 102244405B1
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South Korea
Prior art keywords
inner casing
tray
spring
elastic rib
seated
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Korean (ko)
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손용식
정상관
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한전케이피에스 주식회사
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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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid 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

Provided is a tray apparatus for assembling or withdrawing an inner casing with an outer casing when assembling or dismantling a horizontal multistage centrifugal pump. According to an embodiment of the present invention, a spring-mounted tray apparatus includes: a tray part extended in a longitudinal direction, and having a cross section formed into a semicircular shape having an open upper side such that an inner casing is placed when the inner casing and an outer casing of a horizontal multistage centrifugal pump are assembled; and a spring part provided inside the open tray part to prevent the placed inner case from shaking. Therefore, a flat spring is mounted in a part coming in contact with the inner casing to prevent the inner casing from shaking and turning.

Description

수평 다단 원심펌프 Inner Casing 조립을 위한 스프링 장착 트레이 장치{Spring Equiped Tray Apparatus for Horizental Multi-Stage Pump Inner Casing Assemble}Spring Equiped Tray Apparatus for Horizental Multi-Stage Pump Inner Casing Assemble}

본 발명은 트레이 장치에 관한 것으로, 더욱 상세하게는 수평형 원심 다단펌프의 조립 또는 분해시, Outer Casing에 Inner Casing을 조립 또는 인출하기 위한 트레이 장치에 관한 것이다.The present invention relates to a tray device, and more particularly, to a tray device for assembling or withdrawing an inner casing to an outer casing when assembling or disassembling a horizontal centrifugal multistage pump.

일반적으로, 수평형 원심 다단펌프의 조립 또는 분해 작업을 수행하는 경우, Outer Casing과 Inner Casing 사이의 간극이 작아 정밀한 작업이 요구된다.In general, when assembling or disassembling a horizontal centrifugal multi-stage pump, the gap between the outer casing and the inner casing is small and precise work is required.

이에, 기존에는 도 1 내지 도 2에 예시된 바와 같이 Outer Casing에 Inner Casing을 인출 또는 조립하기 위한 트레이(Tray)를 이용하였으나, Inner Casing의 지름과 Tray의 안착 부분(반원형 골격)의 지름 차이로 흔들림이 발생하거나, Tray에 Inner Casing 안착 시, 발생하는 소정의 간극 때문에, Inner Casing이 회전하는 문제가 발생하여, 작업 효율이 떨어지는 문제점이 존재한다.Thus, conventionally, as illustrated in FIGS. 1 to 2, a tray for drawing or assembling the inner casing was used in the outer casing, but the difference between the diameter of the inner casing and the seating portion of the tray (semicircular skeleton) There is a problem in that the inner casing rotates due to shaking or due to a predetermined gap that occurs when the inner casing is seated on the tray, and thus the work efficiency is deteriorated.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은, Inner Casing이 접촉하는 부분에 판스프링을 장착하여 Inner Casing의 흔들림 및 회전을 방지할 수 있는 스프링 장착 트레이 장치를 제공함에 있다.The present invention has been conceived to solve the above problems, and an object of the present invention is to provide a spring-loaded tray device capable of preventing the inner casing from shaking and rotating by mounting a leaf spring to a portion where the inner casing contacts. Is in.

상기 목적을 달성하기 위한 본 발명의 일 실시예에 따른, 스프링 장착 트레이 장치는, 수평 다단 원심펌프의 Inner Casing와 Outer Casing 조립 작업 시, Inner Casing이 안착되도록, 상측이 개방된 반원 형상으로 단면이 형성되고, 길이방향으로 연장형성되는 트레이부; 및 개방된 트레이부의 내측에 마련되어, 안착되는 Inner Casing의 흔들림을 방지하는 스프링부;를 포함한다.In accordance with an embodiment of the present invention for achieving the above object, the spring-loaded tray device has a cross section in a semicircular shape with an open upper side so that the inner casing is seated when assembling the inner casing and the outer casing of the horizontal multistage centrifugal pump. A tray portion formed and extending in the longitudinal direction; And a spring part provided on the inside of the opened tray part to prevent shaking of the seated inner casing.

그리고 스프링부는, 개방된 트레이부의 끝단 내측에 마련되는 판스프링을 구비할 수 있다. In addition, the spring portion may include a leaf spring provided inside an end of the opened tray portion.

또한, 판스프링은, 복수로 마련되어, 트레이부의 길이방향을 따라 일정한 간격으로 배열될 수 있다.In addition, a plurality of leaf springs may be provided and may be arranged at regular intervals along the longitudinal direction of the tray part.

그리고 판스프링은, 지면의 수직방향을 따라 연장형성되어, 개방된 트레이부의 끝단 내측에 인입되는 본체; 및 본체로부터 지면을 향해 경사지게 연장형성되는 제1 탄성리브;를 포함할 수 있다. And the leaf spring is formed extending along the vertical direction of the ground, the main body that is drawn into the inner end of the opened tray portion; And a first elastic rib extending obliquely from the main body toward the ground.

또한, 제1 탄성리브는, 안착되는 Inner Casing의 흔들림을 효과적으로 방지하도록, 소정의 기울기를 갖는 곡면으로 형성될 수 있다. In addition, the first elastic rib may be formed in a curved surface having a predetermined inclination to effectively prevent shaking of the inner casing to be seated.

그리고 판스프링은, 안착되는 Inner Casing과 접촉면적이 향상되도록, 제1 탄성리브의 끝단에 연결되되, 지면의 수평방향으로 연장형성되는 제2 탄성리브;를 더 포함할 수 있다.In addition, the leaf spring may further include a second elastic rib connected to an end of the first elastic rib and extending in a horizontal direction of the ground so that a contact area with the inner casing to be seated is improved.

또한, 제2 탄성리브는, 제1 탄성리브의 끝단에 연결되는 결합면; 및 결합면의 양측으로부터 각각 연장형성되어 안착되는 Inner Casing과 접촉면적이 향상되도록 하는 한쌍의 곡면;을 포함할 수 있다. In addition, the second elastic rib, the coupling surface connected to the end of the first elastic rib; And a pair of curved surfaces extending from both sides of the coupling surface to improve a contact area with the inner casing to be seated.

이상 설명한 바와 같이, 본 발명의 실시예들에 따르면, Inner Casing이 접촉하는 부분에 판스프링을 장착하여 Inner Casing의 흔들림 및 회전을 방지할 수 있다. As described above, according to embodiments of the present invention, a leaf spring is mounted on a portion where the inner casing contacts to prevent the inner casing from shaking and rotating.

도 1 내지 도 2는, 기존의 Inner Casing 조립 작업의 설명에 제공된 도면,
도 3은, 본 발명의 일 실시예에 따른 스프링 장착 트레이 장치의 설명에 제공된 단면도,
도 4는, 본 발명의 일 실시예에 따른 스프링 장착 트레이 장치의 설명에 제공된 사시도, 그리고
도 5는, 본 발명의 일 실시예에 따른 판스프링의 구조 설명에 제공된 사시도이다. 1 to 2 are views provided in the description of the existing inner casing assembly operation,
3 is a cross-sectional view provided in the description of the spring-loaded tray device according to an embodiment of the present invention,
Figure 4 is a perspective view provided in the description of the spring-loaded tray device according to an embodiment of the present invention, and
5 is a perspective view provided to explain the structure of a leaf spring according to an embodiment of the present invention.

이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다.Hereinafter, the present invention will be described in more detail with reference to the drawings.

도 3은, 본 발명의 일 실시예에 따른 스프링 장착 트레이 장치의 설명에 제공된 단면도이고, 도 4는, 본 발명의 일 실시예에 따른 스프링 장착 트레이 장치의 설명에 제공된 사시도이다.3 is a cross-sectional view provided to explain a spring-loaded tray device according to an embodiment of the present invention, and FIG. 4 is a perspective view provided to explain a spring-loaded tray device according to an embodiment of the present invention.

도 3을 참조하면, 본 실시예에 따른 스프링 장착 트레이 장치는, 수평형 원심 다단펌프의 조립 또는 분해 작업시, Outer Casing에 Inner Casing(11)을 조립 또는 인출하기 위한 트레이부(100)와 트레이부(100)의 내측에 마련되어, 안착되는 Inner Casing(11)의 흔들림 및 회전을 방지하는 스프링부(200)로 구성될 수 있다. Referring to Figure 3, the spring-loaded tray device according to this embodiment, when assembling or disassembling the horizontal centrifugal multi-stage pump, a tray 100 and a tray for assembling or withdrawing the inner casing 11 to the outer casing It may be formed of a spring portion 200 that is provided on the inner side of the portion 100 and prevents shaking and rotation of the inner casing 11 that is seated.

트레이부(100)는, 상측이 개방된 반원 형상으로 단면이 형성되고, 길이방향으로 연장형성되어, Inner Casing(11)이 안착되도록 할 수 있다. The tray part 100 has a cross section formed in a semicircular shape with an open upper side and extends in the longitudinal direction, so that the inner casing 11 is seated.

그리고 스프링부(200)는, 개방된 트레이부(100)의 끝단 내측에 마련되는 판스프링(210)을 구비하여, Inner Casing(11)의 흔들림 및 회전을 방지할 수 있다.In addition, the spring part 200 may be provided with a plate spring 210 provided inside an end of the opened tray part 100 to prevent shaking and rotation of the inner casing 11.

여기서, 판스프링(210)은, 상하방향으로 미끄럼이 용이한 형상으로 형성되고, 도 4에 예시된 바와 같이 복수로 마련되어, 트레이부(100)의 길이방향을 따라 일정한 간격으로 배열될 수 있다. Here, the plate spring 210 is formed in a shape that is easy to slide in the vertical direction, is provided in plural as illustrated in FIG. 4, and may be arranged at regular intervals along the longitudinal direction of the tray unit 100.

여기서, 판스프링(210)은, 길이가 서로 다른 복수의 철판을 겹쳐서 제작하는 스프링으로서, 구조가 간단하고, 제작비용이 저렴하며, 진동에 대한 억제 작용을 효과적으로 수행할 수 있다. Here, the plate spring 210 is a spring manufactured by overlapping a plurality of steel plates having different lengths, and has a simple structure, low manufacturing cost, and can effectively suppress vibration.

그리고 판스프링(210)은, 트레이부(100)에 용접되거나 또는 트레이부(100)에 인입홈이 마련되는 방식으로, 인입되어 고정될 수 있는데, 인입되어 고정되는 경우, 작업자는, 판스프링(210)의 폭을 다양한 크기로 형성하고, Inner Casing(11)의 중량 및 크기 등에 따라 트레이부(100)에 인입되는 판스프링(210)을 교체할 수 있다. And the plate spring 210, in a manner that is welded to the tray portion 100 or a lead-in groove is provided in the tray portion 100, may be inserted and fixed. The width of 210) may be formed in various sizes, and the plate spring 210 inserted into the tray unit 100 may be replaced according to the weight and size of the inner casing 11.

도 5는, 본 발명의 일 실시예에 따른 판스프링(210)의 구조 설명에 제공된 사시도이다. 5 is a perspective view provided to explain the structure of the leaf spring 210 according to an embodiment of the present invention.

본 실시예에 따른 판스프링(210)은, 상하방향으로 미끄럼이 용이하도록, 지면의 수직방향을 따라 연장형성되어, 개방된 트레이부(100)의 끝단 내측에 인입되거나 또는 용접되는 본체(211) 및 본체(211)로부터 지면을 향해 경사지게 연장형성되는 제1 탄성리브(212)를 포함할 수 있다. The plate spring 210 according to the present embodiment is formed to extend along the vertical direction of the ground so as to facilitate sliding in the vertical direction, and the main body 211 which is inserted or welded to the inside of the end of the opened tray part 100 And a first elastic rib 212 extending obliquely toward the ground from the main body 211.

이때, 본체(211)가 개방된 트레이부(100)의 끝단 내측에 인입되는 경우, 트레이부(100)는, 본체(211)의 길이방향을 따라 인입홈이 마련될 수 있다. In this case, when the main body 211 is inserted into the inner end of the opened tray unit 100, the tray unit 100 may be provided with an inlet groove along the longitudinal direction of the main body 211.

또한, 제1 탄성리브(212)는, 상하방향으로 미끄럼이 용이하도록 하는 동시에, 안착되는 Inner Casing(11)의 흔들림을 효과적으로 방지하도록, 소정의 기울기를 갖는 곡면(213b)으로 형성될 수 있다. In addition, the first elastic rib 212 may be formed as a curved surface 213b having a predetermined inclination so as to facilitate sliding in the vertical direction and to effectively prevent shaking of the seated inner casing 11.

그리고 판스프링(210)은, 전술한 본체(211) 및 제1 탄성리브(212) 이외에 추가적으로 안착되는 Inner Casing(11)과 접촉면적이 향상되도록, 제1 탄성리브(212)의 끝단에 연결되되, 지면의 수평방향으로 연장형성되는 제2 탄성리브(213)를 더 포함할 수 있다.And the leaf spring 210 is connected to the end of the first elastic rib 212 so that the contact area with the inner casing 11 additionally seated in addition to the above-described main body 211 and the first elastic rib 212 is improved. , It may further include a second elastic rib 213 extending in the horizontal direction of the ground.

제2 탄성리브(213)는, 제1 탄성리브(212)의 끝단에 연결되는 결합면(213a)과 결합면(213a)의 양측으로부터 각각 연장형성되어 안착되는 Inner Casing(11)과 접촉면적이 향상되도록 하는 한쌍의 곡면(213b)으로 구성될 수 있다. The second elastic rib 213 has a contact area with the inner casing 11 extended and seated from both sides of the coupling surface 213a and the coupling surface 213a connected to the end of the first elastic rib 212 It may be composed of a pair of curved surfaces 213b to be improved.

이를 통해, Inner Casing(11)의 흔들림 및 회전을 방지할 수 있다.Through this, it is possible to prevent shaking and rotation of the inner casing 11.

이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안될 것이다.In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and is not departing from the gist of the present invention claimed in the claims. Of course, various modifications may be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

11 : Inner Casing
100 : 트레이부
200 : 스프링부
210 : 판스프링
211 : 본체
212 : 제1 탄성리브
213 : 제2 탄성리브
213a : 결합면
213b : 곡면11: Inner Casing
100: tray part
200: spring part
210: leaf spring
211: main body
212: first elastic rib
213: second elastic rib
213a: mating surface
213b: curved surface

Claims (7)

수평 다단 원심펌프의 Inner Casing와 Outer Casing 조립 작업 시, Inner Casing이 안착되도록, 상측이 개방된 반원 형상으로 단면이 형성되고, 길이방향으로 연장형성되는 트레이부; 및
개방된 트레이부의 내측에 마련되어, 안착되는 Inner Casing의 흔들림을 방지하는 스프링부;를 포함하고,
스프링부는,
개방된 트레이부의 끝단 내측에 마련되는 판스프링을 구비하며,
판스프링은,
복수로 마련되어, 트레이부의 길이방향을 따라 일정한 간격으로 배열되며,
판스프링은,
지면의 수직방향을 따라 연장형성되어, 개방된 트레이부의 끝단 내측에 인입되는 본체; 및
본체로부터 지면을 향해 경사지게 연장형성되는 제1 탄성리브;를 포함하고,
제1 탄성리브는,
안착되는 Inner Casing의 흔들림을 효과적으로 방지하도록, 소정의 기울기를 갖는 곡면으로 형성되며,
판스프링은,
안착되는 Inner Casing과 접촉면적이 향상되도록, 제1 탄성리브의 끝단에 연결되되, 지면의 수평방향으로 연장형성되는 제2 탄성리브;를 더 포함하고,
제2 탄성리브는,
제1 탄성리브의 끝단에 연결되는 결합면; 및
결합면의 양측으로부터 각각 연장형성되어 안착되는 Inner Casing과 접촉면적이 향상되도록 하는 한쌍의 곡면;을 포함하는 것을 특징으로 하는 스프링 장착 트레이 장치.When assembling the inner casing and the outer casing of the horizontal multi-stage centrifugal pump, the inner casing is formed in a semicircular shape with an open upper side so that the inner casing is seated, and a tray part extending in the longitudinal direction is formed; And
Including; provided on the inside of the opened tray portion, a spring portion for preventing shaking of the seated inner casing,
The spring part,
It has a leaf spring provided inside the end of the open tray,
The leaf spring,
It is provided in plurality and is arranged at regular intervals along the length direction of the tray part
The leaf spring,
A main body extending along the vertical direction of the ground and leading into the open end of the tray; And
Including; a first elastic rib extending obliquely toward the ground from the body,
The first elastic rib,
It is formed in a curved surface with a predetermined inclination to effectively prevent the shaking of the inner casing to be seated,
The leaf spring,
Further comprising; a second elastic rib connected to the end of the first elastic rib and extending in the horizontal direction of the ground so that the contact area with the inner casing to be seated is improved,
The second elastic rib,
A coupling surface connected to the end of the first elastic rib; And
A spring-loaded tray device comprising: a pair of curved surfaces extending from both sides of the mating surface to improve a contact area with the inner casing to be seated. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200270784Y1 (en) * 2001-12-29 2002-04-06 왕덕현 apparatus for measurement of out of roundness
KR200258809Y1 (en) * 1998-09-08 2002-04-22 윤종용 Locking device for portable terminal
KR101914877B1 (en) * 2017-09-08 2018-11-02 두산중공업 주식회사 Support structure of rotating shaft and turbine and gas turbine comprising the same
KR20190033355A (en) * 2017-09-21 2019-03-29 두산중공업 주식회사 Combustor and gas turbine including the same
KR20190048907A (en) * 2017-10-31 2019-05-09 두산중공업 주식회사 Fuel nozzle assembly, combustor and gas turbine having the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200258809Y1 (en) * 1998-09-08 2002-04-22 윤종용 Locking device for portable terminal
KR200270784Y1 (en) * 2001-12-29 2002-04-06 왕덕현 apparatus for measurement of out of roundness
KR101914877B1 (en) * 2017-09-08 2018-11-02 두산중공업 주식회사 Support structure of rotating shaft and turbine and gas turbine comprising the same
KR20190033355A (en) * 2017-09-21 2019-03-29 두산중공업 주식회사 Combustor and gas turbine including the same
KR20190048907A (en) * 2017-10-31 2019-05-09 두산중공업 주식회사 Fuel nozzle assembly, combustor and gas turbine having the same

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