CN101672287A - Vertical-suction submersible centrifugal electric pump with rigid pipe - Google Patents

Vertical-suction submersible centrifugal electric pump with rigid pipe Download PDF

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Publication number
CN101672287A
CN101672287A CN200910102089A CN200910102089A CN101672287A CN 101672287 A CN101672287 A CN 101672287A CN 200910102089 A CN200910102089 A CN 200910102089A CN 200910102089 A CN200910102089 A CN 200910102089A CN 101672287 A CN101672287 A CN 101672287A
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CN
China
Prior art keywords
pump
grease chamber
shigai
rigid pipe
electric pump
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN200910102089A
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Chinese (zh)
Inventor
许敏田
陈华青
应卓浪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG SHIMGE PUMP INDUSTRY Co Ltd
Original Assignee
ZHEJIANG SHIMGE PUMP INDUSTRY Co Ltd
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.)
Filing date
Publication date
Application filed by ZHEJIANG SHIMGE PUMP INDUSTRY Co Ltd filed Critical ZHEJIANG SHIMGE PUMP INDUSTRY Co Ltd
Priority to CN200910102089A priority Critical patent/CN101672287A/en
Publication of CN101672287A publication Critical patent/CN101672287A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a vertical-suction submersible centrifugal electric pump with a rigid pipe. The existing submersible pump can only pump the water layer medium at which the electric pump is arranged; the submersible centrifugal electric pump comprises a pump body, an impeller and a motor, wherein the pump body is provided with an inlet, an outlet and a pump chamber arranged between the inlet and the outlet; the impeller is arranged in the pump chamber and is driven by the motor; and the electric pump is characterized in that the inlet faces downwards and the inlet is provided with a pipe connecting structure. Therefore, the inlet of the pump body can be connected with the rigid pipe so as to extend deep in the water layer and pump the water by the rigid pipe; furthermore, a chassiscan be arranged and taken as a normal submersible pump; and the vertical-suction submersible centrifugal electric pump breaks through the limit that the normal submersible pump can only pump the cleanwater within 5 meters down the water surface, can achieve near 100 meters down the water surface at most, and widens the applications of the submersible electric pump.

Description

Vertical-suction submersible centrifugal electric pump with rigid pipe
Technical field
The present invention relates to a kind of water pump, especially a kind of Submerged Motor Pumps that can extract the medium at nearly hundred meters of perpendicular distance under the electric pump by rigid pipe.
Background technique
Present centrifugal and submersible pump, inlet does not generally consider water pipe is installed, but directly draws the water of inlet.That is to say the medium that can only extract electric pump water layer of living in.And the user has specific (special) requirements sometimes to the degree of depth of being fetched water, sea-farming family particularly, because Shuifu County of benthos contains nutriment, and water cleaning, pathogenic bacteria is few, and being used for culture fishery has unique advantage.So need a kind of submersible pump that can extract the water of the degree of depth below hundred meters.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome the defective that can only extract electric pump water layer medium of living in that existing submersible pump exists, and a kind of vertical-suction submersible centrifugal electric pump with rigid pipe is provided.For this reason, the present invention is by the following technical solutions:
Vertical-suction submersible centrifugal electric pump with rigid pipe, comprise the pump housing, impeller, motor, the described pump housing has import, outlet and the pump chamber between import and outlet, described impeller is positioned at pump chamber and by described motor driving, it is characterized in that: described import down and be provided with pipe connecting structure in import.
As preferably, described motor comprises the fuse of shell and band rotating shaft, the upper end of described shell, lower end connect end cap and grease chamber respectively, You Shigai is installed in the lower end of described grease chamber, form shoe cream room between described grease chamber and grease chamber's lid, the described pump housing is connected the downside that described grease chamber covered and be positioned at grease chamber's lid; The grease chamber is passed in described rotating shaft, grease chamber's lid is connected with described impeller, the bearing that supports described rotating shaft is set in the described grease chamber, installation sleeve is located at the mechanical seal in the described rotating shaft between described grease chamber, grease chamber's lid, at the outside framework oil seal of outside installation sleeve in rotating shaft of described grease chamber lid.
As preferably, described grease chamber, grease chamber cover and are provided with the ring limit, and the two ends of described mechanical seal are installed in the inboard on described ring limit respectively.
As preferably, also be provided with the isolation lid in the upper end of described shell, form holding space between this isolation lid and the end cap, described isolation lid, end cap, shell three's phase Lin Chu is provided with a seal ring that contacts the three simultaneously.
As preferably, described grease chamber covers and offers oil hole, is connected with plug on the described oil hole.
The present invention is by with import down and be provided with pipe connecting structure in import, makes the user to connect rigid pipe in pump housing import and extends to the water layer depths, draws water by rigid pipe, also can load onto the chassis, uses as the submersible pump of routine; Break through common submersible pump and can only take out the restriction of the clear water in the five meters scopes in underwater, by adjusting the length of pipe, can reach nearly hundred meters under water the deeplyest, widened the purposes of Submerged Motor Pumps.
Description of drawings
Fig. 1 is a section of structure of the present invention.
Number in the figure explanation: the 1-pump housing, 2-impeller, 3-motor, 4-import, 5-outlet, the 6-pump chamber, 7-shell, 8-rotating shaft, 9-fuse, 10-end cap, the 11-grease chamber, 12-You Shigai, 13-shoe cream room, 14-oil hole, 15-plug, 16-isolates lid, 17-holding space, 18-seal ring, 19-handle, 20-bearing, 21-mechanical seal, the 22-seal ring, the 23-seal ring, 24-encircles the limit, 25-encircles limit, 26-rigid pipe, 27-outside framework oil seal, 28-bearing.
Embodiment
The present invention will be further described below in conjunction with Figure of description.
As shown in Figure 1, vertical-suction submersible centrifugal electric pump with rigid pipe of the present invention, comprise the pump housing 1, impeller 2, motor 3, the pump housing 1 has import 4, outlet 5 and the pump chamber 6 between import 4 and outlet 5, and impeller 2 is positioned at pump chamber 6 and is driven by motor 3, and import 4 is provided with pipe connecting structure down and in import 4, make the user in pump housing import 4, to connect rigid pipe 26 and extend to the water layer depths, draw water by rigid pipe 26, also can load onto the chassis, as the submersible pump use of routine; In view of the above, described pipe connecting structure can be screwed connection structure, flanged connecting structure, FERRULETYPE linkage structure, clip connected structure etc.
Further, motor 3 comprises the fuse 9 of shell 7 and band rotating shaft 8, the upper end of shell 7, lower end connect end cap 10 and grease chamber 11 by bolt respectively, the lower end of grease chamber 11 connects grease chamber's lid 12 by bolt, between grease chamber 11 and grease chamber's lid 12, be formed for storing the shoe cream room 13 of lubricant oil, for the ease of oiling in shoe cream room 13, on grease chamber's lid 12, offer oil hole 14, connect plug 15 on the oil hole 14; In addition, also be provided with isolation in the upper end of shell 7 and cover 16, form holding space 17 between this isolation lid 16 and the end cap 10 and be used to hold electric elements, in order to guarantee sealing, isolate cover 16, end cap 10, shell 7 threes' phase Lin Chu is provided with a seal ring 18, thereby when end cap 10 being fastened on shell 7 upper ends with bolt, sealing circle 18 contact simultaneously isolate cover 16, end cap 10, shell 7 and holding space 17 is sealed; Isolation is covered 16 and is provided with bearing 28 in order to rotating shaft 8 to be installed; On end cap 10, also be connected with handle 19, so that the carrying submersible pump.
The pump housing 1 is connected on grease chamber's lid 12 and is positioned at the downside of grease chamber's lid 12; Rotating shaft 8 is passed grease chamber 11, grease chamber lid 12 and is connected with impeller 2, the bearing 20 of supporting revolving shaft 8 is installed in the grease chamber 11, installation sleeve is located at the mechanical seal 21 in the rotating shaft 8 between grease chamber 11, grease chamber's lid 12, in order to guarantee the sealing effect of shoe cream room, grease chamber 11 and contacting part, the grease chamber 11 of shell 7 all are mounted with seal ring 22,23 with the contacting part of grease chamber's lid 12, at the outside framework oil seal 27 of outside installation sleeve in rotating shaft 8 of grease chamber's lid 12.Life-span and assurance sealing effect for prolonged mechanical 21 sealings are provided with ring limit 24,25 on grease chamber 11, grease chamber's lid 12, the two ends of mechanical seal 21 are installed in the inboard on corresponding ring limit 24,25 respectively.
Before the turn on pump, the Environmental Conditions of water pump is vertically placed for being not deeper than 5m under water, and behind the dismounting chassis, the user just can connect rigid pipe 26 in import, must full of liquid in the sealing pipeline, suction pipe and pump.
Behind the turn on pump, impeller 2 high speed rotating, liquid wherein, fly away from impeller and outwards penetrate under action of centrifugal force along with impeller rotates together, and the liquid of ejaculation speed in pump chamber 6 is slack-off gradually, and pressure increases gradually, discharge from exporting 5 then.At this moment, in impeller 2 centers owing to liquid forms the vacuum low-pressure district that does not only have air but also do not have liquid around being thrown toward, outside liquid is under atmospheric effect, flow to impeller inlet through suction pipe, liquid comes to this and continuously is pumped up from liquid pool and continuously flows out from discharge tube.

Claims (5)

1, vertical-suction submersible centrifugal electric pump with rigid pipe, comprise the pump housing (1), impeller (2), motor (3), the described pump housing (1) has import (4), outlet (5) and is positioned at import (4) and the pump chamber (6) that exports between (5), described impeller (2) is positioned at pump chamber (6) and is driven by described motor (3), and it is characterized in that: described import (4) is provided with pipe connecting structure down and in import (4).
2, vertical-suction submersible centrifugal electric pump with rigid pipe according to claim 1, it is characterized in that described motor (3) comprises the fuse (9) of shell (7) and band rotating shaft (8), the upper end of described shell (7), lower end connect an end cap (10) and a grease chamber (11) respectively, You Shigai (12) is installed in the lower end of described grease chamber (11), form shoe cream room (13) between described grease chamber (11) and You Shigai (12), the described pump housing (1) is connected the downside that described You Shigai (12) went up and be positioned at You Shigai (12); Grease chamber (11) is passed in described rotating shaft (8), You Shigai (12) is connected with described impeller (2), the bearing (20) that supports described rotating shaft (8) is set in the described grease chamber (11), installation sleeve is located at the mechanical seal (21) in the described rotating shaft (8) between described grease chamber (11), You Shigai (12), at the outside framework oil seal (27) of outside installation sleeve in rotating shaft (8) of described You Shigai (12).
3, vertical-suction submersible centrifugal electric pump with rigid pipe according to claim 2, it is characterized in that being provided with on described grease chamber (11), the You Shigai (12) ring limit (24,25), the two ends of described mechanical seal (21) are installed in the inboard of described ring limit (24,25) respectively.
4, vertical-suction submersible centrifugal electric pump with rigid pipe according to claim 2, it is characterized in that also being provided with isolation in the upper end of described shell (7) covers (16), form holding space (17) between this isolation lid (16) and the end cap (10), described isolation lid (16), end cap (10), shell (7) three's phase Lin Chu is provided with a seal ring (18) that contacts the three simultaneously.
5, according to claim 1 or 2 or 3 or 4 described vertical-suction submersible centrifugal electric pump with rigid pipe, it is characterized in that offering oil hole (14) on the described You Shigai (12), be connected with plug (15) on the described oil hole (14).
CN200910102089A 2009-08-31 2009-08-31 Vertical-suction submersible centrifugal electric pump with rigid pipe Pending CN101672287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910102089A CN101672287A (en) 2009-08-31 2009-08-31 Vertical-suction submersible centrifugal electric pump with rigid pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910102089A CN101672287A (en) 2009-08-31 2009-08-31 Vertical-suction submersible centrifugal electric pump with rigid pipe

Publications (1)

Publication Number Publication Date
CN101672287A true CN101672287A (en) 2010-03-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910102089A Pending CN101672287A (en) 2009-08-31 2009-08-31 Vertical-suction submersible centrifugal electric pump with rigid pipe

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704210A (en) * 2017-01-16 2017-05-24 台州八马泵业有限公司 High-lift deep-well pump
CN106870400A (en) * 2017-04-25 2017-06-20 安徽省康宇水电机械成套设备有限公司 A kind of damping type swings water suction proof submersible sand discharging pump
CN111817479A (en) * 2020-06-11 2020-10-23 广东加奇泵业有限公司 Sewage submersible pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704210A (en) * 2017-01-16 2017-05-24 台州八马泵业有限公司 High-lift deep-well pump
CN106870400A (en) * 2017-04-25 2017-06-20 安徽省康宇水电机械成套设备有限公司 A kind of damping type swings water suction proof submersible sand discharging pump
CN111817479A (en) * 2020-06-11 2020-10-23 广东加奇泵业有限公司 Sewage submersible pump

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Open date: 20100317