CN1020499C - Installation of pressurizing water supply device in pipeline for submersible electric pump - Google Patents
Installation of pressurizing water supply device in pipeline for submersible electric pump Download PDFInfo
- Publication number
- CN1020499C CN1020499C CN 90109984 CN90109984A CN1020499C CN 1020499 C CN1020499 C CN 1020499C CN 90109984 CN90109984 CN 90109984 CN 90109984 A CN90109984 A CN 90109984A CN 1020499 C CN1020499 C CN 1020499C
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- CN
- China
- Prior art keywords
- submersible pump
- electric pump
- pipeline
- submersible electric
- water supply
- 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.)
- Expired - Fee Related
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Abstract
The present invention provides a pressurizing water supply unit with a submersible electric pump arranged in a pipeline. The submersible electric pump is fixed in a casing by a centering support and connecting pipes at both ends of a pipe casing. A coupling disk is connected with the pipe casing at the middle part of each of the connecting pipes bearing pulling force, the upper end of each of the connecting pipes is connected with a water outlet pipe, and the lower end of the pipe casing is connected with a water inlet pipe. A manual and an automatic air eliminators are arranged inside and outside the pipe casing, a cable sealing unit is arranged on the coupling disk, and all the connections are sealed. Because the unit is capable of bearing large pulling force and reliably fixing the submersible electric pump, a sealing unit and the high-space automatic and manual air eliminators in the pipe casing, consequently, the normal operation of the submersible electric pump in the pipe casing is ensured, and the effect of arranging a pressurizing water supply unit in a pipeline is realized.
Description
The invention belongs to submersible pump installs in pipeline and is used for the device of pressurized water supply.
Have the exposed pipeline mounted pump device of pipe pressurizing water supply installation multipurpose motor now, reached the purpose of pipe pressurizing, but this pump type influences continuous supercharging work at high temperature season electric machine temperature rise height, the motor water-proof performance is poor, and efficient is low.Germany's DE3710452A1 patent disclosure a kind of mounting and positioning device of submersible pump, obtained the effect that submersible pump is installed and used in pipeline, this device fixedly is the fixation method that adopts the elasticity support claw to the submersible pump bottom in shell, pipeline has water hammer or vibrations, because of the support claw resiliently deformable, can influence the stability of submersible pump upper end sealability and submersible pump.
The objective of the invention is in order to overcome the deficiency of above-mentioned supercharging device, a kind of submersible pump rigidity installing and locating in pipeline is provided, be used for the device of pressurized water supply.
The mounting and positioning device of submersible pump of the present invention comprises submersible pump (6), it places in the shell (7), the upper end is connected the location with the lower end of connecting tube (11), shell (7) upper end is connected with the tie-plate (14) at connecting tube (11) middle part, the lower end with decide medium-height trestle (3) and be connected, with decide medium-height trestle (3) screw-thread fit fixed in screw rod (1) cooperates with the centring sleeve (5) that is matched with submersible pump (6) lower end and joins, calmly in screw rod (1) submersible pump (6) lower end is held out against the location.
Below in conjunction with embodiment shown in the drawings, describe the present invention in detail.Wherein:
Fig. 1 is the mounting and positioning device sectional view of submersible pump of the present invention;
Fig. 2 is the cable sealing device sectional view.
Referring to Fig. 1, the mounting and positioning device of submersible pump of the present invention, by submersible pump (6), decide medium-height trestle (3), fixed in screw rod (1), locking nut (2), centring sleeve (5), shell (7), connecting tube (11), cable seal (13) etc. form.Submersible pump (6) places in the shell (7), and shell (7) can be pipe or approximate pipe and elliptical tube, square tube or multi-angular tubular.The connecting tube (11) [comprising tie-plate (14)] of welding or casting can be straight tube or gradually stretches tubularly, and the upper end of lower end and submersible pump (6) is with the flange or the location that is threaded, and shell (7) is connected with screw thread or flange with the tie-plate (14) at middle part.Connecting tube (11) has the strength bar (10) that is connected as a single entity with tie-plate (14), to strengthen the intensity of tie-plate (14).The tie-plate (14) of connecting tube (11) and this pipe bears the pulling force of pipeline, and the connection screw thread of connecting tube (11) lower end or flange only bear the weight and the pump internal pressure of water in submersible pump (6) and the pump.
Submersible pump (6) lower end is fixed by support device in fixed, and this device is formed by decide medium-height trestle (3), fixed middle screw rod (1), centring sleeve (5), locking nut (2).The lower end that medium-height trestle (3) is fastened on shell (7) of deciding that water inlet (4) is arranged, the middle part has and its fixed middle screw rod (1) with threads engaged, the join centring sleeve (5) that cooperates of this bar and submersible pump (6) lower end cooperates and joins, the connecting part is that concavo-convex sphere cooperates, centring sleeve (5) is a cone match with the connecting part of submersible pump (6) lower end, screw rod (1) promptly firmly holds out against the lower end of submersible pump (6) and is positioned in the middle of the shell (7) in tightening surely, uses locking nut (2) locking then.
In order to emit the gas collection of the interior high spatial of shell (7), be provided with vent hole (8) and (9) at tie-plate (14) and shell (7), two holes respectively connect the venting valve or according to this device upright, installation situation crouches, one hole plug, another hole connects valve, emit gas collection before the turn on pump earlier, start submersible pump (6) again.
Fig. 2 is the sectional view of cable seal (13) device, and this device is welded on the tie-plate (14) of connecting tube (11), and the cable (12) of submersible pump (6) is drawn by it.This device is made up of gland (15), sealing seat (16), packing ring (17), seal ring (18).By press gland (15) with screw thread or screw rod, make packing ring (17) compress seal ring (18), this circle pressurized and cable (12) closely cooperate, and prevent that promptly shell (7) outside air from entering or internal water spills.
This device is connected in the pipeline, the upper end is water outlet, the lower end is water inlet, water under the pressure of system pipeline in intake pipe enters the shell (7) of this device, enter submersible pump (6) then, because each connects all sealings, mounting and positioning device is reliable and stable, starts the purpose that the interior submersible pump (6) of this device promptly reaches the water supply line pressurized water supply.
The present invention and the repacking of finished product submersible pump are supporting, promptly become the submerged pipe pump that is used for pressurized water supply in piping erection.
Claims (2)
1, the mounting and positioning device of submersible pump, by submersible pump (6), shell (7), connecting tube (11), decide medium-height trestle (3), screw rod (1) in fixed, centring sleeve (5), cable seal (13) is formed, it is characterized in that placing submersible pump (6) upper end in the shell (7) to be connected the location with the lower end of connecting tube (11), shell (7) is connected with the tie-plate (14) at connecting tube (11) middle part, the medium-height trestle (3) of deciding that has water inlet (4) is connected with shell (7) lower end, with decide medium-height trestle (3) screw-thread fit fixed in screw rod (1) cooperates with the centring sleeve (5) that is matched with submersible pump (6) lower end and joins, calmly in screw rod (1) submersible pump (6) lower end is held out against the location.
2, device according to claim 1 is characterized in that middle surely screw rod (1) is concavo-convex sphere with the connecting part that cooperates of centring sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90109984 CN1020499C (en) | 1990-12-17 | 1990-12-17 | Installation of pressurizing water supply device in pipeline for submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90109984 CN1020499C (en) | 1990-12-17 | 1990-12-17 | Installation of pressurizing water supply device in pipeline for submersible electric pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1055415A CN1055415A (en) | 1991-10-16 |
| CN1020499C true CN1020499C (en) | 1993-05-05 |
Family
ID=4881700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90109984 Expired - Fee Related CN1020499C (en) | 1990-12-17 | 1990-12-17 | Installation of pressurizing water supply device in pipeline for submersible electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020499C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090715C (en) * | 1997-03-05 | 2002-09-11 | 阎乃京 | Device for fixing submarine pump |
| CN108050080A (en) * | 2017-12-28 | 2018-05-18 | 宙斯流体系统（上海）有限公司 | Pump and complete supercharging device in a kind of mute high-velocity tube |
| CN111425411B (en) * | 2020-03-31 | 2021-02-19 | 涂程光 | Pump in middle part inlet tube |
-
1990
- 1990-12-17 CN CN 90109984 patent/CN1020499C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1055415A (en) | 1991-10-16 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |