KR20030042317A - Cool jacket disjoint equipment of circulating water pump - Google Patents

Cool jacket disjoint equipment of circulating water pump Download PDF

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Publication number
KR20030042317A
KR20030042317A KR1020010073050A KR20010073050A KR20030042317A KR 20030042317 A KR20030042317 A KR 20030042317A KR 1020010073050 A KR1020010073050 A KR 1020010073050A KR 20010073050 A KR20010073050 A KR 20010073050A KR 20030042317 A KR20030042317 A KR 20030042317A
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South Korea
Prior art keywords
cooling jacket
jacket
water pump
clamp
pump
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KR1020010073050A
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Korean (ko)
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KR100430111B1 (en
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이남식
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한전기공주식회사
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Priority to KR10-2001-0073050A priority Critical patent/KR100430111B1/en
Publication of KR20030042317A publication Critical patent/KR20030042317A/en
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Publication of KR100430111B1 publication Critical patent/KR100430111B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/605Mounting; Assembling; Disassembling specially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine

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

Abstract

PURPOSE: Cool jacket disjoint equipment of a circulating water pump is provided to easily carry out a repairing work and an inspecting work by lifting only a cooling jacket without lifting the entire circulating water pump. CONSTITUTION: An impeller(110) is installed at a lower portion of a circulating water pump. A pump shaft(120) is coupled to a cylindrical coupling(130). Three bearings(140) are arranged in order to support the pump shaft(120). A thrust bearing(150) is arranged in an axial direction of the pump shaft(120). A bearing plate is positioned in a bearing housing. A cooling jacket is provided at an outer portion of the bearing plate. The cooling jacket acts as a cooling water path. The cooling jacket is closely adjacent to the bearing housing by means of O-rings. The cooling jacket is fixed to the bearing housing by a head screw.

Description

순환워터 펌프장치의 냉각자켓 분해장치{Cool jacket disjoint equipment of circulating water pump}Cooling jacket disjoint equipment of circulating water pump

본 발명은 순환워터 펌프장치의 냉각자켓 분해장치에 관한 것으로서, 특히 순환워터 펌프의 스러스트 베어링 내부 오일을 냉각시켜주는 냉각 자켓의 냉각수를 천연수 또는 해수로 사용함으로써 발생되는 냉각 자켓의 주기적인 유지 보수시 펌프를 인양하지 않고 냉각자켓만을 인양할 수 있도록 하는 자켓 분해장치를 제공하는 순환워터 펌프장치의 냉각 자켓 분해장치{Cool jacket disjoint equipment of circulating water pump}에 관한 것이다.The present invention relates to a cooling jacket disassembly apparatus of a circulation water pump apparatus, and in particular, periodical maintenance of a cooling jacket generated by using cooling water of a cooling jacket for cooling oil inside a thrust bearing of a circulation water pump as natural or sea water. Cooling jacket disjoint equipment of circulating water pump providing a jacket disassembling device that can lift only the cooling jacket without lifting the pump.

일반적으로, 순환워터 펌프(CWP)는 발전소 및 산업분야에서 펌프 베어링의 냉각수원으로 해수를 이용한다. 천연수 및 해수를 이용하는 것은 펌프내에 설치된 냉각 자켓의 스러스트 베어링 내부의 오일을 냉각해주는 역할로서 스러스트 베어링 온도를 70℃ 이하로 유지시켜주는 기능을 한다.In general, circulating water pumps (CWPs) use seawater as a cooling water source for pump bearings in power plants and industries. The use of natural water and sea water cools the oil in the thrust bearings of the cooling jacket installed in the pump, and keeps the thrust bearing temperature below 70 ° C.

또한, 순환워터 펌프는 상시 운전되어야만 발전소 출력에 영향을 주지 않는다. 그리고 완전분해점검 주기는 3년으로서 스러스트 베어링 냉각수원을 천연수로 사용시 3년에 1-2회 냉각 자켓을 점검해야 한다.In addition, the circulating water pump must be operated at all times to not affect the power plant output. In addition, the complete disassembly inspection period is 3 years, and the cooling jacket should be checked once or twice every 3 years when thrust bearing cooling water source is used as natural water.

그러나, 기존의 순환워터 펌프는 가뭄 또는 발전소 운전으로 인한 천연수 과다 소요로 냉각수가 부족할 때는 취수장에서 1개의 라인만으로 공급받고 있었다. 이런 이유로 천연수 부족시 펌프과열을 방지하기 위하여 냉각수원을 자체 개통수(해수)로 공급하는 설계 변경 작업을 수행하고 있었으나, 뻘물에 의하여 펌프내의 냉각 자켓의 통로가 자주 막히는 폐단이 있었다.However, the conventional circulating water pump was supplied with only one line at the intake when the cooling water was insufficient due to excessive natural water caused by drought or power plant operation. For this reason, in order to prevent overheating of the pump when natural water is insufficient, a design change was performed to supply the cooling water source to its own opening water (sea water), but there was a closed end where the passage of the cooling jacket in the pump was frequently blocked by water.

이런 이유로 냉각 자켓의 통로가 막힐 때에는 모터 인양 후 스러스트 베어링을 분해하여 냉각 자켓을 점검 및 내부 청소작업을 수행해야만 했었다.For this reason, when the passage of the cooling jacket was blocked, the thrust bearings had to be dismantled after lifting the motor to check the cooling jacket and perform internal cleaning.

이는, 모터를 인양하기 위해서 전원 결선 및 해체와 중량물 취급등인 부수적인 정비 작업으로 인하여 정비인력 및 작업시간이 과다하게 소요되는 등 문제점이 발생되었다.This causes problems such as excessive maintenance manpower and working time due to ancillary maintenance work such as power connection and dismantling and heavy material handling to lift the motor.

또한, 이와 같은 정비작업으로 순환펌프가 1대 정지할 때 마다 발전소 출력에 영향을 주어 전력생산에 지장을 초래하였고, 현재 냉각수 공급방법은 해수가 주 냉각수원인 관계로 해수 미 공급시에는 천연수를 공급해야만 하는 등, 여러 문제점이 있었다.In addition, the maintenance work affects the power plant output every time one stop of the circulating pump causes a problem in power production. Currently, the cooling water supply method is a main source of cooling water. There are several problems, such as the need to supply.

따라서, 순환워터펌프 전체를 인양하지 않고 순환워터펌프에서 냉각 자켓만을 인양하여 정비와 점검을 원활히 할 수 있는 냉각자켓 분해장치를 필요로 하게 되었다.Therefore, there is a need for a cooling jacket disassembly device capable of smoothly maintaining and inspecting by lifting only the cooling jacket in the circulation water pump without lifting the entire circulation water pump.

따라서, 본 발명은 상기와 같은 종래의 순환워터 펌프의 유지보수시에 따른 제반문제점을 해결하기 위하여 제안된 것으로서, 펌프 전체를 인양하지 않고 펌프의 냉각자켓만을 인양하여 점검 및 유지보수와 같은 작업이 원활히 이루어질 수 있도록 하는 냉각자켓 분해장치를 제공하는데 그 목적이 있다.Therefore, the present invention has been proposed to solve the problems associated with the maintenance of the conventional circulation water pump as described above, the operation such as inspection and maintenance by lifting only the cooling jacket of the pump without lifting the whole pump. It is an object of the present invention to provide a cooling jacket disassembling device that can be made smoothly.

상기 목적을 달성하기 위한 본 발명은, 고정볼트로 모타 플랜지에 조립되는 인양럭과, 상기 인양럭의 주변으로 각각 분할 형성되고 그 일면에 관통홀이 천공된 봉 연결편을 일체로 구비하는 지지판과; 상기 지지판의 봉 연결편에 관통 형성되고, 상부에 나사산이 소정 폭으로 형성된 다수개의 가이드 봉과; 상기 가이드 봉 하단에 각각 형성되어 냉각자켓을 클램핑하는 자켓 클램프 및; 상기 가이드 봉의 상단에 각각 형성되어 상기 나사산과 결합되어 회전에 따라 상기 가이드 봉을 승강 이동시키는 복수의 핸들; 을 구비하여, 펌프내에서 냉각자켓을 클램핑 할 수 있도록 구성되는 것을 특징으로 한다.The present invention for achieving the above object, the lifting plate is assembled to the motor flange with a fixed bolt, and the support plate which is integrally provided with a rod connecting piece which is formed in each of the periphery of the lifting rack and a through hole perforated in one surface thereof; A plurality of guide rods formed through the rod connecting pieces of the support plate and formed with a screw thread at a predetermined width thereon; A jacket clamp formed at each bottom of the guide rod to clamp a cooling jacket; A plurality of handles respectively formed at an upper end of the guide rod and coupled with the screw thread to move the guide rod up and down according to rotation; It is provided, characterized in that configured to be able to clamp the cooling jacket in the pump.

본 발명의 다른 특징으로는, 상기 지지판의 봉 연결편이 모타 플랜지에 조립이 용이하도록 120°각도로 분할 형성되는 것을 특징으로 한다.In another aspect of the present invention, the rod connecting piece of the support plate is characterized in that the divided portion formed by 120 ° to facilitate assembly to the motor flange.

본 발명의 또 다른 특징으로는, 상기 자켓 클램프가 냉각자켓에서 미끄러지는 것을 방지하도록 클램프밴드가 구비된 것을 특징으로 한다.In still another aspect of the present invention, a clamp band is provided to prevent the jacket clamp from slipping on the cooling jacket.

도 1은 본 발명에 따른 펌프구조를 보인 개략도.1 is a schematic view showing a pump structure according to the present invention.

도 2는 본 발명에 따른 펌프의 냉각자켓 부분을 보인 구조단면도.Figure 2 is a structural cross-sectional view showing a cooling jacket portion of the pump according to the present invention.

도 3은 본 발명에 따른 냉각자켓 분해장치를 보인 구조도.Figure 3 is a structural view showing a cooling jacket decomposition apparatus according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

30 :자켓 인양구 31 :지지판30: jacket lifting ball 31: support plate

32 :인양럭 36 :핸들32: lifting rack 36: handle

38 :가이드 봉 39 :자켓 클램프38: guide rod 39: jacket clamp

40 :와셔 41 :클램프 밴드40: washer 41: clamp band

이하, 본 발명에 따른 냉각자켓 분해장치를 첨부된 도면을 참조하여 설명한다.Hereinafter, a cooling jacket decomposition apparatus according to the present invention will be described with reference to the accompanying drawings.

첨부도면 중, 도 1은 본 발명에 따른 펌프구조를 보인 개략도를 나타내고, 도 2는 본 발명에 따른 펌프의 냉각자켓 부분을 보인 구조단면도를 나타내며, 도 3은 본 발명에 따른 냉각자켓 분해장치를 보인 구조도를 각각 도시하고 있다.In the accompanying drawings, Figure 1 shows a schematic view showing a pump structure according to the invention, Figure 2 shows a structural cross-sectional view showing a cooling jacket portion of the pump according to the invention, Figure 3 shows a cooling jacket decomposition apparatus according to the present invention Each structural diagram shown is shown.

도 1에 도시된 바와 같이 순환펌프(P)의 하부에는 인펠러(110)가 설치되어 있고, 펌프샤프트(120)는 원통커플링(130)에 의하여 연결되어 있다. 또한, 펌프샤프트(120)를 지지하는 베어링(140)을 축의 원주방향으로 3개가 있고 그 축방향으로 스러스트 베어링(150)을 1개 설치하여 구성한다.As shown in FIG. 1, an inpeller 110 is installed below the circulation pump P, and the pump shaft 120 is connected by a cylindrical coupling 130. In addition, there are three bearings 140 supporting the pump shaft 120 in the circumferential direction of the shaft and one thrust bearing 150 in the axial direction.

그리고 상기 스러스트 베어링(150)이 위치하는 축상에는 모타플랜지(161)에 연결된 모터(160)가 설치된다.The motor 160 connected to the motor flange 161 is installed on the shaft where the thrust bearing 150 is located.

한편, 도 2는 스러스트 베어링(150)과 그에 따른 연관된 구조를 보인 도면으로써, 베어링 하우징(151)내에 베어링 플레이트(153)가 설치되어 있으며 이에는 냉각수원으로 오일을 사용한다.2 shows a thrust bearing 150 and its associated structure, in which a bearing plate 153 is installed in a bearing housing 151, and oil is used as a cooling water source.

그리고, 상기 베어링 플레이트(153)의 외측으로 베어링을 냉각시켜 주는 냉각수 통로 역할을 담당할 수 있는 냉각자켓(155)이 설치되어 있다. 이 냉각자켓(155)은 그 상.하부에 설치된 오링(157)에 의해 베어링 하우징(151)에 밀착되어 있고, 헤드 스크류(159)에 의해 고정되어 설치되어 있다.In addition, a cooling jacket 155 may serve as a cooling water passage to cool the bearing to the outside of the bearing plate 153. The cooling jacket 155 is in close contact with the bearing housing 151 by the O-rings 157 provided at the upper and lower parts thereof, and is fixed and installed by the head screw 159.

한편, 도 3에 도시된 바와 같이 상기 냉각자켓(155)을 인양시키는 자켓 분해장치(30)는 고정볼트(34)로 모타 플랜지(161)에 조립되는 인양럭(32)과, 상기 인양럭(32)의 주변으로 120°각도로 분할 형성되고 그 일면에 관통홀(33a)이 천공된 봉 연결편(33)을 일체로 구비하는 지지판(31)을 형성하게 된다.Meanwhile, as shown in FIG. 3, the jacket disassembling device 30 for lifting the cooling jacket 155 includes a lifting rack 32 assembled to the motor flange 161 by a fixing bolt 34, and the lifting rack ( The support plate 31 is integrally provided with a rod connecting piece 33 in which a perforation hole 33a is formed perforated in a 120 ° angle around the 32.

그리고, 상기 지지판(31)의 봉 연결편(33)에 관통 형성되고, 상부에 나사산(38a)이 소정 폭으로 형성된 다수개의 가이드 봉(38)과, 가이드 봉(38) 하단에 각각 형성되어 냉각자켓(155)을 클램핑하는 자켓 클램프(39)와, 상기 가이드 봉(38)의 상단에 각각 형성되어 상기 나사산(38a)과 결합되어 회전에 따라 상기 가이드 봉(38)을 승강 이동시키는 핸들(36)을 구성하게 된다.In addition, a plurality of guide rods 38 are formed through the rod connecting pieces 33 of the support plate 31, and a threaded portion 38a is formed at a predetermined width on the upper portion of the support plate 31, and formed at the lower end of the guide rods 38, respectively. A jacket clamp 39 for clamping 155 and a handle 36 formed at an upper end of the guide rod 38 to be coupled to the thread 38a to move the guide rod 38 up and down as it is rotated. Will be configured.

그리고, 상기 핸들(36)은 공구를 이용하지 않고 3방향에서 균일한 힘을 전달시킬 수 있도록 복수개 형성된다.In addition, the handle 36 is formed in plural so as to transmit a uniform force in three directions without using a tool.

또한, 자켓 클램프(39)는 가이드 봉(38)이 인양럭(32)에 의하여 6mm크기의 클램프가 빠지는 것을 방지하기 위하여 상.하 억지끼워 맞춤으로 냉각자켓(155)에 결합되게 형성된다.In addition, the jacket clamp 39 is formed such that the guide rod 38 is coupled to the cooling jacket 155 by fitting up and down to prevent the clamp of 6 mm size from being pulled out by the lifting rack 32.

한편, 상기 핸들(36)은 가이드 봉(38)의 상단에 너트(35)와 와셔(40)로 밀착되어 형성된다. 이때 와셔(40)는 너트(35)가 회전하는 부분으로 와셔(40)를 삽입하여 수직에 의한 누르는 힘을 분산시키고 너트(35)와의 마찰력을 감쇠시켜 준다.On the other hand, the handle 36 is formed in close contact with the nut 35 and the washer 40 on the upper end of the guide rod 38. At this time, the washer 40 inserts the washer 40 into the portion in which the nut 35 rotates to disperse the pressing force due to the vertical and attenuate the friction force with the nut 35.

그리고, 상기 분해장치(30)가 냉각자켓(155)에 결합된 후 클램프 밴드(41)를 체결하여 고정하게 된다. 이때 상기 클램프밴드(41)는 힘이 사용됨에 따라 자켓 클램프(37) 가 냉각자켓(155)에서 미끄러지는 것을 방지하게 된다.Then, the disassembly device 30 is coupled to the cooling jacket 155 and then fastened by clamping the clamp band 41. In this case, the clamp band 41 prevents the jacket clamp 37 from slipping on the cooling jacket 155 as the force is used.

상기와 같이 구성된 본 발명의 냉각자켓 분해장치의 작용효과를 설명하면 다음과 같다.Referring to the effect of the cooling jacket decomposition apparatus of the present invention configured as described above are as follows.

먼저, 상부 모터 플랜지(161)에 연결하도록 인양럭(32)의 고정볼트(34) 2개를 제거하고 분할된 인양럭(32)을 모타 플랜지(161) 상부에 끼워 넣고 다른 한쪽 인양럭(32a)을 연결한 후 고정볼트(34)에 의하여 고정한다.First, remove the two fixing bolts 34 of the lifting rack 32 to connect to the upper motor flange 161 and insert the divided lifting rack 32 into the upper part of the motor flange 161 and lift the other lifting rack 32a. ) After fixing by fixing bolts (34).

이때, 상기 자켓 클램프(39)가 고정될 수 있도록 3개의 가이드 봉(35)의 길이를 너트(35)에 의하여 조정하고 자켓 클램프(39)를 냉각 자켓(155)에 끼워 넣는다At this time, the length of the three guide rods 35 are adjusted by the nut 35 so that the jacket clamp 39 can be fixed, and the jacket clamp 39 is inserted into the cooling jacket 155.

그리고, 핸들(37) 3곳을 균등하게 회전시키면서 인양한다. 이때 자켓 클램프(39)가 냉각자켓(155)에서 미끄러지는 것을 확인해야 하며 냉각자켓(155)의 인양높이가 균등한지 감시해야 한다.The handle 37 is then lifted while rotating evenly. At this time, the jacket clamp 39 should be checked to slide in the cooling jacket 155, and the lifting height of the cooling jacket 155 should be monitored evenly.

또한, 하부 오링(157) 부위가 하부 냉각자켓(155)에서 빠져나올 때까지 주의하면서 인양해야하며, 완전히 냉각자켓(155)이 제거되면 그 상태로 고정하고 내부를 청소한다.In addition, the lower O-ring 157 portion should be lifted with care until the portion exits from the lower cooling jacket 155. When the cooling jacket 155 is completely removed, it is fixed in that state and the inside is cleaned.

냉각자켓(155)의 조립시는, 너트(35)를 반대로 회전시키면서 오링(157) 손상에 주의하면서 제자리에 안착시킨다. 이때 냉각자켓(155)의 커버 높이에 주의하면서 자켓 클램프(39)가 냉각자켓(155)의 커버에서 미끄러지는 것을 감시한다.When assembling the cooling jacket 155, the nut 35 is rotated in reverse while being seated in place while being careful of damage to the O-ring 157. At this time, while watching the cover height of the cooling jacket 155, the jacket clamp 39 to monitor the sliding of the cover of the cooling jacket (155).

이로써, 해수를 냉각수원으로 사용함으로써 불순물에 의해 자주 막히던 냉각자켓을 간단하게 분해하여 내부 청소작업을 수행함으로써 펌프 정지로 인한 발전소 출력감발 시간을 감소시킬 수가 있게 되는 것이다.Thus, by using the sea water as a cooling water source, it is possible to reduce the power plant output reduction time due to the pump stop by simply disassembling the cooling jacket frequently blocked by impurities and performing internal cleaning.

이상에서 설명한 바와 같은 본 발명의 냉각자켓 분해장치는 순환워터펌프 전체를 인양하지 않고 펌프에서 냉각 자켓만을 인양하여 정비와 점검을 원활히 할 수 있도록 함으로써, 냉각수 출입을 원활하고 베어링 온도 감소 저하에 따른 베어링 변형 및 수면을 연장함은 물론, 천연수 미사용에 따른 비용 절감효과와 부수적인 작업 즉 모타 인양 및 장비인력 절감 효과가 있으며 전원결선 해체작업 미 수행으로 중량물 취급시 안전사고 및 감전사고 방지가 가능하게 하는 매우 유용한 발명인 것이다.As described above, the cooling jacket disassembly apparatus of the present invention does not lift the entire circulation water pump, so that only the cooling jacket is lifted from the pump so that maintenance and inspection can be performed smoothly. Not only does it prolong deformation and sleep, but it also saves cost and additional work such as motor lifting and equipment manpower. It also prevents safety accidents and electric shock when handling heavy items by not performing power connection dismantling. It is a very useful invention.

Claims (3)

고정볼트로 모타 플랜지에 조립되는 인양럭과, 상기 인양럭의 주변으로 각각 분할 형성되고 그 일면에 관통홀이 천공된 봉 연결편을 일체로 구비하는 지지판과;A support plate integrally provided with a lifting lug assembled to the motor flange with a fixed bolt and a rod connecting piece integrally formed around the lifting lug and having a through hole perforated on one surface thereof; 상기 지지판의 봉 연결편에 관통 형성되고, 상부에 나사산이 소정 폭으로 형성된 다수개의 가이드 봉과;A plurality of guide rods formed through the rod connecting pieces of the support plate and formed with a screw thread at a predetermined width thereon; 상기 가이드 봉 하단에 각각 형성되어 냉각자켓을 클램핑하는 자켓 클램프 및;A jacket clamp formed at each bottom of the guide rod to clamp a cooling jacket; 상기 가이드 봉의 상단에 각각 형성되어 상기 나사산과 결합되어 회전에 따라 상기 가이드 봉을 승강 이동시키는 복수의 핸들; 을 구비하여, 펌프내에서 냉각자켓을 클램핑 할 수 있도록 구성되는 것을 특징으로 하는 순환워터 펌프의 냉각자켓 분해장치.A plurality of handles respectively formed at an upper end of the guide rod and coupled with the screw thread to move the guide rod up and down according to rotation; Comprising, the cooling jacket decomposition apparatus of the circulation water pump, characterized in that configured to be able to clamp the cooling jacket in the pump. 제 1항에 있어서,The method of claim 1, 상기 지지판의 봉 연결편이 모타 플랜지에 조립이 용이하도록 120°각도로 분할 형성되는 것을 특징으로 하는 순환워터 펌프의 냉각자켓 분해장치.Cooling jacket disassembly apparatus of the circulation water pump, characterized in that the rod connecting piece of the support plate is divided into 120 ° angle to facilitate assembly on the motor flange. 제 1항에 있어서,The method of claim 1, 상기 자켓 클램프가 냉각자켓에서 미끄러지는 것을 방지하도록 클램프밴드가 구비된 것을 특징으로 하는 순환워터 펌프의 냉각자켓 분해장치.Cooling jacket disassembly apparatus of the circulation water pump, characterized in that the clamp band is provided to prevent the jacket clamp from slipping in the cooling jacket.
KR10-2001-0073050A 2001-11-22 2001-11-22 Cool jacket disjoint equipment of circulating water pump KR100430111B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100858484B1 (en) * 2007-10-24 2008-09-12 한전케이피에스 주식회사 Vertical type pump coupling driving tool
CN106499676A (en) * 2016-12-06 2017-03-15 中国电建集团河南工程公司 Sea water direct air-cooling units water circulating pump installation method
CN111112939A (en) * 2020-01-20 2020-05-08 三门核电有限公司 Rotor support locking device for online maintenance of large-scale shielding main pump and operation process
CN111112960A (en) * 2020-01-20 2020-05-08 三门核电有限公司 Device and process for replacing locking cup at lower part of large shielding main pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960022153U (en) * 1994-12-26 1996-07-20 Rack and Pinion Tilting Steering Column
SE511162C2 (en) * 1996-11-26 1999-08-16 Volvo Ab Device for releasable attachment of objects to a mobile unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100858484B1 (en) * 2007-10-24 2008-09-12 한전케이피에스 주식회사 Vertical type pump coupling driving tool
CN106499676A (en) * 2016-12-06 2017-03-15 中国电建集团河南工程公司 Sea water direct air-cooling units water circulating pump installation method
CN111112939A (en) * 2020-01-20 2020-05-08 三门核电有限公司 Rotor support locking device for online maintenance of large-scale shielding main pump and operation process
CN111112960A (en) * 2020-01-20 2020-05-08 三门核电有限公司 Device and process for replacing locking cup at lower part of large shielding main pump
CN111112939B (en) * 2020-01-20 2021-01-15 三门核电有限公司 Rotor support locking device for online maintenance of large-scale shielding main pump and operation process

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