CN1061415C - Automatic sealing pipeless submerged pump - Google Patents
Automatic sealing pipeless submerged pump Download PDFInfo
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- CN1061415C CN1061415C CN96115965A CN96115965A CN1061415C CN 1061415 C CN1061415 C CN 1061415C CN 96115965 A CN96115965 A CN 96115965A CN 96115965 A CN96115965 A CN 96115965A CN 1061415 C CN1061415 C CN 1061415C
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- pipeless
- automatic sealing
- lower body
- upper body
- water
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Abstract
The present invention relates to an automatic sealing pipeless submersible pump, comprising a submersible motor, a pump body and a suspension. An annular elastic sealing bag which is communicated with the inner cavity of a pumping chamber is arranged on the side outerwall of the pumping chamber, high-pressure water is jetted to the wall of a rubber bag by the centrifugal force which is generated by the impeller which is horizontally rotated in the pumping chamber to make the rubber bag expand so that a wellbore can be sealed and the water sealing pipeless water taking of the submersible pump can be realized. The present invention is suitable for the water taking of standard wellbores and the places which uses pipelines for taking water, such as, rivers, pools, reservoirs, etc.
Description
The present invention relates to agricultural drainage and irrigation machinery, particularly with the matching used submersible pump of standard pit shaft.
For reaching agricultural equipment standardization, generalization, country has stipulated unified standard to the diameter of farmland discharging-irrigating pit shaft.The tube well adopts materials such as plastics, steel pipe, cast iron tube, cement sand tube.The smooth cross section of shaft in wall is circular.The pit shaft bore is divided into 150 mm, 175mm, 200mm, 250mm, 280mm, 300mm, 350mm7 kind specification.According to different pit shaft bores, select the supporting with it use of submersible pump of different sizes for use.Submersible pump the earliest, pump chamber top mouth links with conduit pipe, by conduit pipe water is exported deep-well.This submersible pump will be carried conduit pipe, uses trouble, because of not making full use of the standard pit shaft, has also caused certain waste.
Chinese patent 89210674.3 discloses a kind of no pipe deep-well water delivery apparatus, is the technological scheme preferably of utilizing the water delivery of standard pit shaft for the saving conduit pipe.Its technological points is that suitable for reading and upper part is provided with seal arrangement at submersible pump, the hermetic unit of this device is provided with the damping sealed bladder, the high pressure sealing capsule is formed a locking system, utilize water body pressure to realize sealing, and sealed bladder is provided with bellows, and the submersible pump displacement due to water weight generation wire rope is stretched is adjusted.This technological scheme is defectiveness also: at first, in the starting stage of submersible pump ejection water, poorly sealed.Just as patent document record like that, still have water to leak in sealing part.This is because from pump chamber water direction of coming out suitable for reading upwards, axially consistent with pit shaft, and the required effective pressure of pressure bladder is a pit shaft power radially, this power can only be from pit shaft water body pressure, be that water is when filling pit shaft, seal the tightest, so this technological scheme has poorly sealed defective and only is suitable for the narrow limitation of deep-well.The second, realize the water lift sealing by a whole set of complicated mechanical regulating controller, make trouble and the error probability increase.
For this reason, the claimant abandons the water-stop scheme, and other wards off new road, has proposed the hermetic seal scheme.And applied for that patent, the patent No. are 93231803.7, name is called does not have the pipe submersible pump.Its technological points is that an annular concave cave is arranged on pump housing blower inlet casing outer wall, and an annular air means of press seals air bag is housed, and the extended cave of the inflation rear gasbag external sealed borehole wall is in the cave of can withdrawing after the venting.This sealing device structure is simple, and good seal performance is suitable for the pit shaft of different depth.But because of communicating, inflate in air bag by special-purpose gas transmission band and could seal water body, will charge and discharge complicated operation repeatedly before and after each the application with source of the gas.Influenced by inflation pressure bigger, wayward because of sealing effect, also can only be used for well and fetch water, and has narrow limitation.
The object of the present invention is to provide that a kind of automatic water-stop sealing device structure is simple, sealing is tight, the no pipe submersible pump of highly versatile.
Technical solution of the present invention is: automatic sealing pipeless submerged pump, comprise submersible motor, the pump housing, suspention, cyclic spring sealed bladder with pump chamber inner chamber communications and liaison is arranged on pump chamber side upper wall, the rigidity upper body of cyclic spring sealed bladder, lower body periphery have annular groove and cooperate with the annular boss of rubber bag tank, by the spring crush seal.The empty inner chamber of the pod apertures of cyclic spring sealed bladder on the pump chamber sidewall and pump is communications and liaison mutually.Pod apertures is 6, is evenly distributed on the sidewall of pump chamber of the impeller correspondence that horizontally rotates, and the axis of pod apertures and impeller periphery profile line are tangent.
According to technique scheme, suitable submersible pump is delivered in the mine water through suspention to select specification, rubber bag tank in the raw at this moment, air in it is discharged by the outlet of water extruding above pump chamber, start motor, through pod apertures direct projection rubber bag tank, rubber bag tank expands and the pit shaft sealing under the effect of current centrifugal pressure along impeller tangent line side for horizontal wheel rotation, high pressure water.This being sealed in the water lift process at first finished automatically, and can guarantee the sealing rubber bag inside and outside differential pressure minimum and with pit shaft vertical pressure maximum, thereby realize efficient sealed.According to submersible pump is tested, the pressure at pump chamber pod apertures place is the pressure at water outlet place above the submersible pump pump chamber all the time, pressure as its pod apertures place of secondary submersible pump is 0.175 MPa, and the pressure of water outlet is 0.120 MPa above the pump chamber, and pressure reduction is 0.055 MPa.The present invention only needs to load onto the sealer that communicates with pump chamber on former submersible pump basis and gets final product, and producing new pump, still to transform old pump all more convenient.Do not increase energy consumption, seal process does not need additional device, does not need manual operation, does not have complicated mechanical transmission and regulation and control yet, realizes water-stop automatically and remove sealing that it is applicable to the tube well of the different bores and the degree of depth fully by seal arrangement itself.Simultaneously, also can be used for all kinds of water utilization pipeline water lifts such as river, river, lake, sea, swag.With the secondary submersible pump is example, and working efficiency is up to 75.6%, and lift is up to 26m.
Accompanying drawing 1 is used view for the utility model and pit shaft;
Accompanying drawing 2 is the utility model band muscle seal arrangement cross-sectional schematic;
Accompanying drawing 3 is that Fig. 2 A-A is to sectional view.
In conjunction with the accompanying drawings, embodiment of the present utility model is described: automatic sealing pipeless submerged pump, comprise submersible motor, the pump housing, suspention, with the wire rope 4 that is through on the suspension ring 5 submersible pump is put into pit shaft 12, be followed successively by one-level diving pump chamber 9 below the secondary diving pump chamber 6, water inlet net 10, submersible motor 11.Cyclic spring sealed bladder with pump chamber 6 inner chamber communications and liaison is arranged on the pump chamber 6 side outer walls.The rigidity upper body 3 of cyclic spring sealed bladder, lower body 8 and pump chamber 6 side outer walls casting integrated (or welding one), when rigidity upper body 3, lower body 8 and the work of pump chamber 6 side outer walls of cyclic spring sealed bladder are connected sealing (clamping or bolt as the band seal washer connect), link to each other by rigidity water conservancy diversion connecting tendon 13 between upper body 3, the lower body 8, its effect one is to be used for fixing to support to go up lower body, the 2nd, play guide functions, make the vertical impulse force maximum of the interior high pressure water of pump chamber to rubber bag tank.Upper body 3, lower body 8 peripheries have annular groove, cooperate with the annular boss of rubber bag tank 7, by elastic ring 2 crush seals.The pod apertures 1 and pump chamber 6 inner chamber communications and liaison of cyclic spring sealed bladder on pump chamber 6 sidewalls.Pod apertures 1 is 6, is evenly distributed on the sidewall of pump chamber 6 of the impeller correspondence that horizontally rotates, and the axis of pod apertures 1 and impeller periphery profile line are tangent.The water conservancy diversion connecting tendon 13 of rigidity upper body 3, lower body 8 is an arc, has 6, evenly distributes corresponding pod apertures 1 between per two water conservancy diversion connecting tendons 13.Rigidity upper body 3, lower body 8, water conservancy diversion connecting tendon 13 adopt steel plate or cast iron materials.
Claims (6)
1, automatic sealing pipeless submerged pump comprises submersible motor, the radial fluid pump pump housing, suspention, it is characterized in that: pod apertures (1) and cyclic spring sealed bladder communications and liaison are arranged on pump chamber (6) side outer wall.
2, automatic sealing pipeless submerged pump according to claim 1 is characterized in that: pod apertures (1) is 6, is evenly distributed on the sidewall of pump chamber (6) of the impeller correspondence that horizontally rotates, and the axis and the impeller periphery profile line of pod apertures (1) are tangent.
3, automatic sealing pipeless submerged pump according to claim 1, it is characterized in that: the rigidity upper body (3) of cyclic spring sealed bladder, lower body (8) are lived with pump chamber (6) side outer wall and are connected sealing (clamping or bolt as the band seal washer connect), link to each other by rigidity water conservancy diversion connecting tendon (13) between upper body (3), the lower body (8), upper body (3), lower body (8) periphery have annular groove, cooperate with the annular boss of rubber bag tank (7), by elastic ring (2) crush seal.
4, automatic sealing pipeless submerged pump according to claim 3 is characterized in that: the water conservancy diversion connecting tendon (13) of rigidity upper body (3), lower body (8) is an arc, has 6, evenly distributes a corresponding pod apertures (1) between per two water conservancy diversion connecting tendons (13).
5, automatic sealing pipeless submerged pump according to claim 4 is characterized in that: rigidity upper body (3), lower body (8), water conservancy diversion connecting tendon (13) adopt steel plate or cast iron materials
6, automatic sealing pipeless submerged pump according to claim 1, it is characterized in that: the rigidity upper body (3) of cyclic spring sealed bladder, lower body (8) and pump chamber (6) side outer wall casting integrated (or welding one), upper body (3), lower body (8) periphery have annular groove, cooperate with the annular boss of rubber bag tank (7), by elastic ring (2) crush seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115965A CN1061415C (en) | 1996-09-18 | 1996-09-18 | Automatic sealing pipeless submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96115965A CN1061415C (en) | 1996-09-18 | 1996-09-18 | Automatic sealing pipeless submerged pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1177064A CN1177064A (en) | 1998-03-25 |
| CN1061415C true CN1061415C (en) | 2001-01-31 |
Family
ID=5123164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96115965A Expired - Fee Related CN1061415C (en) | 1996-09-18 | 1996-09-18 | Automatic sealing pipeless submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1061415C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151012A (en) * | 2016-08-16 | 2016-11-23 | 常州市合达油泵有限公司 | The oil pump of pole handling |
| CN106593939B (en) * | 2017-01-25 | 2022-08-09 | 赛莱默欧洲有限公司 | Shaft type submersible pump |
| CN118025453B (en) * | 2024-04-12 | 2024-06-04 | 无锡学院 | High-redundancy salvaging robot for underwater operation and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3690375A (en) * | 1971-04-05 | 1972-09-12 | Harold E Shillander | Inflatable packer |
| FR2414614A1 (en) * | 1978-01-12 | 1979-08-10 | Inst Francais Du Petrole | Irrigated well-drilling tool - incorporates motor, pump and seal operating so that irrigation fluid sweeps contact zone between tool and earth in inverse circulation |
| CN2060810U (en) * | 1989-06-23 | 1990-08-22 | 李志超 | Deep-well water-carriage device without pipe |
| CN2122231U (en) * | 1991-11-22 | 1992-11-18 | 赤峰电机总厂 | Electromechanical well water elevator |
| EP0699819A2 (en) * | 1994-08-15 | 1996-03-06 | Halliburton Company | Method and apparatus for well testing or servicing |
-
1996
- 1996-09-18 CN CN96115965A patent/CN1061415C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3690375A (en) * | 1971-04-05 | 1972-09-12 | Harold E Shillander | Inflatable packer |
| FR2414614A1 (en) * | 1978-01-12 | 1979-08-10 | Inst Francais Du Petrole | Irrigated well-drilling tool - incorporates motor, pump and seal operating so that irrigation fluid sweeps contact zone between tool and earth in inverse circulation |
| CN2060810U (en) * | 1989-06-23 | 1990-08-22 | 李志超 | Deep-well water-carriage device without pipe |
| CN2122231U (en) * | 1991-11-22 | 1992-11-18 | 赤峰电机总厂 | Electromechanical well water elevator |
| EP0699819A2 (en) * | 1994-08-15 | 1996-03-06 | Halliburton Company | Method and apparatus for well testing or servicing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1177064A (en) | 1998-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 96115965 of the invention patents in the current issue of authorization announcement, and at the same time corresponding to the 96228828.4 utility model patent to be given up, and in the 17 volume of the 15 issue of the new type of communique on the patent right to abandon the announcement. |
|
| 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 |