CN102691676A - Long-axis deep well pump with sand-proof function - Google Patents
Long-axis deep well pump with sand-proof function Download PDFInfo
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- CN102691676A CN102691676A CN2012101960663A CN201210196066A CN102691676A CN 102691676 A CN102691676 A CN 102691676A CN 2012101960663 A CN2012101960663 A CN 2012101960663A CN 201210196066 A CN201210196066 A CN 201210196066A CN 102691676 A CN102691676 A CN 102691676A
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- bearing bracket
- sand prevention
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Abstract
The invention relates to a long-axis deep well pump with a sand-proof function. The long-axis deep well pump has a simple structure and high reliability to ensure the stability of a transmission shaft system so that the long-axis deep well pump can operate normally under the environment of rivers with much sand. According to the technical scheme, the long-axis deep well pump with the sand-proof function comprises a lifting pipe, an upper diversion casing and a pump wheel diversion casing which are connected in sequence through a bolt, wherein the lifting pipe, the upper diversion casing and the pump wheel diversion casing are all internally provided with bearing brackets; the bearing bracket of the lifting pipe is provided with a rubber bearing and the other two brackets are provided with wear-resistant bearings; the rubber bearing is internally provided with a transmission shaft; the two wear-resistant bearings are internally provided with pump shafts which are connected with the transmission shaft through a coupling; the lower end of the pump shaft is provided with one or more stages of pump wheels; and the long-axis deep well pump is characterized in that a sand-proof device is sleeved outside the transmission shaft and the pump shafts. The long-axis deep well pump is suitable for water lifting project for lifting water with much sand.
Description
Technical field
The present invention relates to a kind of borehole shaft drivenpump with sand prevention function.Be applicable to water lift engineering from contain Sha Yuanshui.
Background technique
In water power plant water supply for construction system, unit maintenance drainage system, need extract natural river water with borehole shaft drivenpump.For high concentration of sediment and the harder natural river water of sand grain; Because the easy bearing to motor transmission system of silt, sealing etc. cause serious wear-out failure; Cause common borehole shaft drivenpump can not be under this environment proper functioning, so, for the transmission system of borehole shaft drivenpump reliable sand prevention device must be arranged; Guarantee the stable of drive line, make borehole shaft drivenpump ability proper functioning.In addition, in industrial water lift field, also exist same problem.
Summary of the invention
The technical problem that the present invention will solve is: to the problem of above-mentioned existence, a kind of simple in structure, borehole shaft drivenpump with sand prevention function that reliability is high is provided, guarantees the stable of drive line, make borehole shaft drivenpump can be under silt river environment proper functioning.
The technological scheme that the present invention adopted is: a kind of borehole shaft drivenpump with sand prevention function; Comprise successively through bolted lifting pipe, go up blower inlet casing and pump impeller blower inlet casing, and three inside all is shaped on bearing bracket, on the lifting pipe bearing bracket rubber bush bearing is installed; On the two stands anti-friction bearing is installed in addition; Transmission shaft is housed in the rubber bush bearing, in two anti-friction bearings pump shaft is housed, and transmission shaft is connected through coupling with pump shaft; One or more levels pump impeller is equipped with in the pump shaft lower end, it is characterized in that: said transmission shaft and pump shaft are with the sand prevention device outward.
Said sand prevention device comprises jointing, sleeve pipe, thimble assembly and backbone sealing ring, and the bearing bracket upper end of pump impeller blower inlet casing is provided with stuffing box, device backbone sealing ring in it, and the bearing bracket upper end of last blower inlet casing is through the said jointing of screw; Said sleeve pipe respectively with jointing and the bayonet joint of lifting pipe bearing bracket; The lower end bayonet joint of thimble assembly upper end and last blower inlet casing bearing bracket; Thimble assembly lower end welding flange and through screw on the bearing bracket of pump impeller blower inlet casing, and said backbone sealing ring is withstood in the thimble assembly lower end surface; Said jointing reaches to go up and is provided with the intercommunicating pore that is communicated with sleeve pipe and thimble assembly in the blower inlet casing bearing bracket.
Said intercommunicating pore is uniformly distributed along the circumference 2 ~ 3, and staggers mutually with screw.
Each bayonet joint place is equipped with twice O RunddichtringO.
Be marked with clear water in the said sand prevention device, clear water pressure is greater than upper level exit of pump pressure, and promptly greater than pump head and its back pressure sum of bearing, both pressure differences are 3mH
2O.
The invention has the beneficial effects as follows: the sand prevention device can be isolated the electric-motor-driving axle system of borehole shaft drivenpump reliably among the present invention with the water pump fed sheet of a media; This transmission shaft system is moved under the clear water condition; Avoid the wear-out failure of silt, realize the proper functioning of borehole shaft drivenpump under high concentration of sediment river environment transmission shaft system.
Description of drawings
Fig. 1 is an erection drawing of the present invention.
Fig. 2 is the enlarged view of A portion among Fig. 1.
Fig. 3 is the enlarged view of B portion among Fig. 1.
Embodiment
As shown in Figure 1, present embodiment is a kind of borehole shaft drivenpump with sand prevention function, comprises lifting pipe 11, goes up blower inlet casing 12 and pump impeller blower inlet casing 13, and the three connects through bolt successively, and all is shaped on bearing bracket in three inside.Wherein on the lifting pipe bearing bracket rubber bush bearing 9 is installed; Anti-friction bearing 14 and 19 is installed on all the other two stands; Pump shaft 16 is installed in transmission shaft 10, two anti-friction bearings 14 of rubber bush bearing 9 inner electric machines and 19, and pump shaft 16 is connected through coupling 17 with transmission shaft 10; Pump shaft 16 is free to rotate with transmission shaft 10, and pump impeller 15 is equipped with in the lower end of pump shaft 16.
Adopt jointing 5, sleeve pipe 6, O RunddichtringO 8, intercommunicating pore 7, thimble assembly 3, backbone sealing ring 1 etc. that pump shaft 16 and transmission shaft 10 etc. are placed clear water in the present embodiment, isolate with the water pump fed sheet of a media reliably, avoid the wear-out failure of silt parts.Last blower inlet casing bearing bracket upper end installs and fixes jointing 5 (nonstandard workpiece, material can be selected spheroidal graphite cast iron or stainless steel etc.) through screw 2, and pump impeller blower inlet casing bearing bracket upper end is provided with stuffing box, device backbone sealing ring 1 in it.Said sleeve pipe 6 respectively and bayonet joint between jointing 5 and lifting pipe 11 bearing bracket, every place is equipped with twice O RunddichtringO 8 (see figure 2)s.The lower end of thimble assembly 3 is welded with a flange plate 18; Be fixed on screw 2 on the bearing bracket of pump impeller blower inlet casing 13; And as the back-up ring (see figure 3) of backbone sealing ring 1, the upper end of thimble assembly 3 and last blower inlet casing 12 bearing bracket are bayonet joint, and are provided with twice o RunddichtringO 8.
Said jointing 5 is provided with intercommunicating pore 7, and the intercommunicating pore 7 on its position of opening and last blower inlet casing 12 bearing bracket is consistent, through this intercommunicating pore with in the clear water sprue bushing assembly 3 in the sleeve pipe 6.Staggering mutually in intercommunicating pore 7 positions and screw 2 positions, is uniformly distributed along the circumference 2 ~ 3, the reducible Φ 8mm of internal diameter.
Clear water in the sleeve pipe 6 is introduced from the outside through ingress pipe 21 at pump motor pedestal 20 places.Clear water pressure in the sprue bushing 6 should be greater than upper level exit of pump pressure, and promptly greater than pump head and its back pressure sum of bearing, both pressure differences are 3mH
2O.
Steel pipe in this routine middle sleeve assembly 3 can be shaping steel tube or steel plate rolls; Internal diameter should be confirmed by pump shaft 16 diameters of axle; Both should have suitable gap in order to avoid produce contact friction; Wall thickness should be able to not produce distortion bearing under the maximum water pressure, and satisfies the requirement of reinforced seal back-up ring, and material can be selected stainless steel or Ordinary Steel; Flange plate 18 is nonstandard workpiece, and material is with above-mentioned steel pipe.
In order to guarantee the functional reliability of pump shaft 16, pump impeller 15, adopt Hardmetal materials to make; Bearing 14 on the pump impeller blower inlet casing support contacts with Yuan Shui, must adopt wear-resistant metal material or composite material to make.
Working principle of the present invention is: before the water pump first start; To be full of by the sand prevention device inside that parts such as sleeve pipe 6, thimble assembly 3 and backbone sealing ring 1 are formed through ingress pipe 21 has pressure clean water and remaining; Can stop source water to the inner infiltration of device; Upper end part and the backbone sealing ring 1 etc. of motor transmission shaft 10 and pump shaft 16 are remained under the environment of clean water, guarantee electric-motor-driving axle system proper functioning.Then, under the motor driving that is usually located on the water surface, shielded motor transmission shaft systems communicate rotation torque; Driving is in the pump impeller 15 rotation extraction source water in the water; Source water through upper level pump impeller blower inlet casing 13 pressurizations after, rise to blower inlet casing 12, after lifting pipe 11 see off.
Claims (5)
1. borehole shaft drivenpump with sand prevention function; Comprise successively through bolted lifting pipe (11), last blower inlet casing (12) and pump impeller blower inlet casing (13); And three inside all is shaped on bearing bracket; Rubber bush bearing (9) is installed on the lifting pipe bearing bracket, anti-friction bearing (14) and bearing (19) are installed on the two stands in addition, transmission shaft (10) is housed in the rubber bush bearing (9); In anti-friction bearing (14) and the bearing (19) pump shaft (16) is housed; And transmission shaft (10) is connected through coupling (17) with pump shaft (16), and pump impeller (15) is equipped with in pump shaft (16) lower end, it is characterized in that: the outer sand prevention device that is with of said transmission shaft (10) and pump shaft (16).
2. the borehole shaft drivenpump with sand prevention function according to claim 1; It is characterized in that: said sand prevention device comprises jointing (5), sleeve pipe (6), thimble assembly (3) and backbone sealing ring (1); The bearing bracket upper end of pump impeller blower inlet casing (13) is provided with stuffing box; Device backbone sealing ring (1) in it, the bearing bracket upper end of last blower inlet casing (12) is through the fixing said jointing (5) of screw (2); Said sleeve pipe (6) respectively with jointing (5) and lifting pipe (11) bearing bracket bayonet joint; The lower end bayonet joint of thimble assembly (3) upper end and last blower inlet casing (12) bearing bracket; Thimble assembly lower end welding flange (18) also is fixed on the bearing bracket of pump impeller blower inlet casing (13) through screw (2), and said backbone sealing ring (1) is withstood in thimble assembly (3) lower end surface; Said jointing (5) reaches to go up and is provided with the intercommunicating pore (7) that is communicated with sleeve pipe (6) and thimble assembly (3) in blower inlet casing (12) bearing bracket.
3. the borehole shaft drivenpump with sand prevention function according to claim 2 is characterized in that: said intercommunicating pore (7) is uniformly distributed along the circumference 2 ~ 3, and staggers mutually with screw (2).
4. the borehole shaft drivenpump with sand prevention function according to claim 2 is characterized in that: each bayonet joint place is equipped with twice O RunddichtringO (8).
5. the borehole shaft drivenpump with sand prevention function according to claim 1; It is characterized in that: be marked with clear water in the said isolation sand prevention device; Clear water pressure is greater than upper level exit of pump pressure, and promptly greater than pump head and its back pressure sum of bearing, both pressure differences are 3mH
2O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196066.3A CN102691676B (en) | 2012-06-14 | 2012-06-14 | Long-axis deep well pump with sand-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196066.3A CN102691676B (en) | 2012-06-14 | 2012-06-14 | Long-axis deep well pump with sand-proof function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102691676A true CN102691676A (en) | 2012-09-26 |
| CN102691676B CN102691676B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210196066.3A Active CN102691676B (en) | 2012-06-14 | 2012-06-14 | Long-axis deep well pump with sand-proof function |
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| Country | Link |
|---|---|
| CN (1) | CN102691676B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912514A (en) * | 2013-12-05 | 2014-07-09 | 山东双轮股份有限公司 | Water lubrication sliding bearing device for long shaft pump |
| CN105570099A (en) * | 2015-12-15 | 2016-05-11 | 武汉船用机械有限责任公司 | Deep-well pump |
| CN109519409A (en) * | 2018-12-30 | 2019-03-26 | 扬州华辉水泵有限公司 | A kind of long axle support structure of deep well pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267297A (en) * | 1985-09-18 | 1987-03-26 | Hitachi Ltd | Bearing lubricating device for pump |
| JPS62251495A (en) * | 1986-04-23 | 1987-11-02 | Torishima Seisakusho:Kk | Lubrication of bearing for vertical shaft pump |
| JPH05321886A (en) * | 1992-05-14 | 1993-12-07 | Mitsubishi Heavy Ind Ltd | Sea water pump |
| JPH11324967A (en) * | 1998-05-13 | 1999-11-26 | Torishima Pump Mfg Co Ltd | Vertical shaft pump |
| CN2537840Y (en) * | 2002-04-15 | 2003-02-26 | 宋森林 | Anti-silt rubber bearing for submersible pump |
| CN2763583Y (en) * | 2004-11-24 | 2006-03-08 | 上海凯泉泵业（集团）有限公司 | Vertical long axle pump |
| CN2908864Y (en) * | 2006-04-29 | 2007-06-06 | 镇江正汉泵业有限公司 | Anti-vibration main structure long-axis deep-well pump |
| CN202789731U (en) * | 2012-06-14 | 2013-03-13 | 中国水电顾问集团华东勘测设计研究院 | Long-axial deep-well pump with sand prevention function |
-
2012
- 2012-06-14 CN CN201210196066.3A patent/CN102691676B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267297A (en) * | 1985-09-18 | 1987-03-26 | Hitachi Ltd | Bearing lubricating device for pump |
| JPS62251495A (en) * | 1986-04-23 | 1987-11-02 | Torishima Seisakusho:Kk | Lubrication of bearing for vertical shaft pump |
| JPH05321886A (en) * | 1992-05-14 | 1993-12-07 | Mitsubishi Heavy Ind Ltd | Sea water pump |
| JPH11324967A (en) * | 1998-05-13 | 1999-11-26 | Torishima Pump Mfg Co Ltd | Vertical shaft pump |
| CN2537840Y (en) * | 2002-04-15 | 2003-02-26 | 宋森林 | Anti-silt rubber bearing for submersible pump |
| CN2763583Y (en) * | 2004-11-24 | 2006-03-08 | 上海凯泉泵业（集团）有限公司 | Vertical long axle pump |
| CN2908864Y (en) * | 2006-04-29 | 2007-06-06 | 镇江正汉泵业有限公司 | Anti-vibration main structure long-axis deep-well pump |
| CN202789731U (en) * | 2012-06-14 | 2013-03-13 | 中国水电顾问集团华东勘测设计研究院 | Long-axial deep-well pump with sand prevention function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912514A (en) * | 2013-12-05 | 2014-07-09 | 山东双轮股份有限公司 | Water lubrication sliding bearing device for long shaft pump |
| CN105570099A (en) * | 2015-12-15 | 2016-05-11 | 武汉船用机械有限责任公司 | Deep-well pump |
| CN105570099B (en) * | 2015-12-15 | 2017-12-15 | 武汉船用机械有限责任公司 | A kind of deep well pump |
| CN109519409A (en) * | 2018-12-30 | 2019-03-26 | 扬州华辉水泵有限公司 | A kind of long axle support structure of deep well pump |
| CN109519409B (en) * | 2018-12-30 | 2024-06-04 | 扬州华辉水泵有限公司 | Long shaft supporting structure of deep well pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102691676B (en) | 2014-10-08 |
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