CN204003481U - Be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit - Google Patents
Be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit Download PDFInfo
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- CN204003481U CN204003481U CN201420361109.3U CN201420361109U CN204003481U CN 204003481 U CN204003481 U CN 204003481U CN 201420361109 U CN201420361109 U CN 201420361109U CN 204003481 U CN204003481 U CN 204003481U
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- centrifugal pump
- multistage centrifugal
- transmission shaft
- force transmission
- inversion
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Abstract
The utility model is to be applicable to the inversion multistage centrifugal pump that same-well injection is adopted unit, centrifugal pump body bottom is provided with thrust terminator, described thrust terminator housing consists of with the jacket casing that described joint screw thread is connected respectively upper connection, lower contact and two ends, in the housing of thrust terminator, be provided with the force transmission shaft being connected with centrifugal pump main shaft, force transmission shaft is set with by quiet slide block and quiet slider bracket thereof and movable slider and movable slider thereof and props up the thrust bearing being configured to.This inversion multistage centrifugal pump with thrust terminator can be eliminated the same-well injection extraction system axial sagging power that the pump housing produces when implanted layer low-pressure state moves completely, thereby avoided the excessive wear of guide wheel and impeller abrasion-proof mechanism in the pump housing, significantly improved the working life of being inverted multistage centrifugal pump.The utlity model has novel structure, improve and be inverted the multistage centrifugal pump significant outstanding advantages of effect in working life.
Description
Technical field
The utility model relates to a kind of inversion multistage centrifugal pump that same-well injection is adopted unit that is applicable to.
Background technique
The effect that same-well injection is adopted the inversion multistage centrifugal pump of unit is that the mine water pressurization after oil-water separation is recycled into down-hole implanted layer, the main shaft of being inverted multistage centrifugal pump is connected in the line shaft that same-well injection is adopted unit, be inverted multistage centrifugal pump and be connected with the pressure transducer of its bottom, pressure transducer is passed to ground control system by the relevant service data of the inversion multistage centrifugal pump collecting.
When down-hole implanted layer pressure is lower, be inverted multistage centrifugal pump by transmission shaft and be fixed on rotor portion that the multi-stage impeller group of this transmission shaft forms because self gravitation produces sagging power, so impeller be supported on shell on corresponding guide wheel group will produce acutely and rub.
Although be provided with wear-resisting mechanism between guide wheel of the prior art and impeller, facts have proved that described wear-resisting mechanism will damage in a short period of time under above-mentioned operation conditions, cause inversion multistage centrifugal failure of pump even to be scrapped.
Summary of the invention
The utility model is in order to solve existing same-well injection, to adopt the above-mentioned technical problem of the inversion multistage centrifugal pump existence of unit, and proposes a kind of inversion multistage centrifugal pump that same-well injection is adopted unit that is applicable to.
The utility model is taked following technological scheme for achieving the above object: be a kind ofly applicable to the inversion multistage centrifugal pump that same-well injection is adopted unit, comprise and be inverted multistage centrifugal pump body, feature is, described inversion multistage centrifugal pump body bottom is provided with thrust terminator, described thrust terminator housing is by upper connection, the jacket casing that lower contact is connected with described joint screw thread respectively with two ends forms, the upper connection of thrust terminator is connected in the bottom of being inverted multistage centrifugal pump body housing, in the housing of thrust terminator, be provided with the force transmission shaft being connected with the main shaft of being inverted multistage centrifugal pump, force transmission shaft upper end is provided with the spline housing being in transmission connection with the main shaft bottom of being inverted multistage centrifugal pump body, thrust terminator housing upper, lower contact is respectively equipped with the straightening support that supports force transmission shaft, this straightening support and corresponding force transmission shaft are respectively equipped with alloy sleeve, two alloy sleeves engage, thrust terminator housing upper, between lower contact, corresponding force transmission shaft is set with by quiet slide block and quiet slider bracket thereof and movable slider and movable slider thereof and props up the thrust bearing being configured to, described quiet slider bracket is fixed on by both sides setting sleeve, between lower contact, movable slider support is provided with quiet slide block axial position regulating mechanism, described quiet slide block axial position regulating mechanism is provided with and is individually fixed in the upper of force transmission shaft, lower reference rings, wherein descend reference rings to embed the central recess of adjusting nut, adjusting nut is connected with the bush threads moving along force transmission shaft axial reciprocating, lining engages with movable slider support, upper reference rings embeds the central recess of movable slider support, on described, lower reference rings, lining and movable slider support are respectively equipped with the keyway with the axial square key slip joint of force transmission shaft.
The utility model can also be taked following technical measures:
The joining portion of the upper connection of described thrust terminator housing, lower contact and jacket casing is provided with respectively the anticreep plate being welded and fixed.
The spline housing of described force transmission shaft upper end is provided with central diaphragm, and force transmission shaft top axial is provided with the length adjustment screw engaging with central diaphragm.
The upper and lower reference rings of described quiet slide block axial position regulating mechanism consists of two semi-ring docking respectively, and the upper and lower reference rings that two semi-ring docking form embeds respectively in the groove of corresponding force transmission shaft setting.
The adjusting nut of described quiet slide block axial position regulating mechanism is arranged with tightening in the Cock screw of lining.
The beneficial effects of the utility model and advantage are: this inversion multistage centrifugal pump with thrust terminator can be eliminated the same-well injection extraction system axial sagging power that the pump housing produces when implanted layer low-pressure state moves completely, thereby avoided the excessive wear of guide wheel and impeller abrasion-proof mechanism in the pump housing, significantly improved the working life of being inverted multistage centrifugal pump.The power that the thrust terminator of this inversion multistage centrifugal pump its force transmission shaft when having above-mentioned functions can be inverted reflection multistage centrifugal pump operation conditions passes to pressure transducer.The utlity model has novel structure, improve and be inverted the multistage centrifugal pump significant outstanding advantages of effect in working life.
Accompanying drawing explanation
Accompanying drawing 1 is this inversion multistage centrifugal pump structural representation.
Accompanying drawing 2 is that in Fig. 1, thrust terminator structure is amplified and generalized section.
Accompanying drawing 3 is force transmission shaft upper end and spline housing zoomed-in views thereof in Fig. 2.
Mark in figure: 1 is inverted multistage centrifugal pump body, 1-1 main shaft, 2 upper connections, 3 jacket casings, 4 lower contacts, 5 force transmission shafts, 6 times alloy sleeves, 7 times straightening supports, 8 anticreep plates, 9 adjusting nuts, 10 times reference rings, 11 linings, 12 Cock screws, 13 setting sleeves, 14 quiet slide blocks, 15 quiet slider brackets, 16 movable slider supports, 17 movable sliders, reference rings on 18,19 standby quiet slider brackets, 20 axial square keys, straightening support on 21, alloy sleeve on 22,23 spline housings, 23-1 central diaphragm, 24 packing rings, 25 length adjustment screws.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, further illustrate the utility model.
As Fig. 1, shown in 2, a kind ofly be applicable to the inversion multistage centrifugal pump that same-well injection is adopted unit, comprise and be inverted multistage centrifugal pump body 1, this inversion multistage centrifugal pump body bottom is provided with its housing by upper connection 2, lower contact 4 is connected respectively with two ends the thrust terminator that jacket casing 2 forms with described joint screw thread, the upper connection 2 of thrust terminator is connected in the bottom of being inverted multistage centrifugal pump body housing, in the housing of thrust terminator, be provided with the force transmission shaft 5 being connected with the main shaft of being inverted multistage centrifugal pump, force transmission shaft upper end is provided with the spline housing 23 being in transmission connection with the main shaft 1-1 bottom of being inverted multistage centrifugal pump body.Referring to Fig. 3, during spline housing 23 is provided with every 23-1, force transmission shaft 5 top axials are provided with length adjustment screw 25 and the packing ring 24 thereof engaging with central diaphragm, the adjustment of length adjustment screw 25 can be equivalent to the adjustment of force transmission shaft 5 length, to guarantee that spline housing 23 is reliably connected with the main shaft 1-1 bottom of being inverted multistage centrifugal pump body.The lower contact 4 of thrust terminator housing is connected with pressure transducer housing.
As shown in Figure 2, the upper and lower joint of thrust terminator housing is respectively equipped with upper straightening support 21 and the lower straightening support 7 that supports force transmission shaft 5.Upper straightening support 21 and corresponding force transmission shaft 5 are respectively equipped with alloy sleeve 22, two alloy sleeves and engage.Lower straightening support 7 and corresponding force transmission shaft 5 are respectively equipped with lower alloy sleeve 6, two alloy sleeves and engage.
As shown in Figure 2, between the upper and lower joint of thrust terminator housing, corresponding force transmission shaft 5 is set with the thrust bearing consisting of quiet slide block 14 and quiet slider bracket 15 thereof and movable slider 17 and movable slider support 16 thereof, quiet slider bracket 15 is fixed between upper and lower joint by both sides setting sleeve 13, embodiment's both sides setting sleeve 13 is being provided with standby quiet slider bracket 19, and movable slider support 16 is provided with quiet slide block axial position regulating mechanism.
The quiet slide block axial position regulating mechanism of movable slider support 16 is provided with upper reference rings 18, the lower reference rings 10 that is individually fixed in force transmission shaft 5, upper and lower reference rings consists of two semi-ring docking respectively, and the upper and lower reference rings that two semi-ring docking form embeds respectively in the groove of corresponding force transmission shaft 5 settings.
Lower reference rings 10 embeds the central recess of adjusting nut 9, and adjusting nut 9 is threaded with the lining 11 moving along force transmission shaft axial reciprocating, and lining engages with movable slider support 16, and upper reference rings 18 embeds the central recess of movable slider support 16.In addition, the adjusting nut 9 of quiet slide block axial position regulating mechanism is arranged with tightening in the Cock screw 12 of lining 11.
Upper reference rings 18, lower reference rings 10, lining 11 and movable slider support 16 are respectively equipped with the keyway with axial square key 20 slip joint of force transmission shaft.
As shown in Figure 2, the upper connection 2 of thrust terminator housing, lower contact 4 are provided with respectively with the joining portion of jacket casing 3 the anticreep plate 8 being welded and fixed, and its housing of inversion multistage centrifugal pump in Fig. 1 and the joining portion of joint are also provided with the anticreep plate being welded and fixed.
Working principle of the present utility model is, is inverted sagging power that Multistage centrifugal pump rotor the produces force transmission shaft by thrust terminator and is transmitted to thrust bearing and offsets.The adjusting nut of the axial position regulating mechanism of movable slider support and the lining being threaded can be adjusted the compression degree between thrust bearing movable slider and quiet slide block, make it stable operation.After the adjustment of compression degree by the Cock screw tightening that is symmetricly set on adjusting nut.
Claims (5)
1. be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit, comprise and be inverted multistage centrifugal pump body, it is characterized in that: described inversion multistage centrifugal pump body bottom is provided with thrust terminator, described thrust terminator housing is by upper connection, the jacket casing that lower contact is connected with described joint screw thread respectively with two ends forms, the upper connection of thrust terminator is connected in the bottom of being inverted multistage centrifugal pump body housing, in the housing of thrust terminator, be provided with the force transmission shaft being connected with the main shaft of being inverted multistage centrifugal pump, force transmission shaft upper end is provided with the spline housing being in transmission connection with the main shaft bottom of being inverted multistage centrifugal pump body, thrust terminator housing upper, lower contact is respectively equipped with the straightening support that supports force transmission shaft, this straightening support and corresponding force transmission shaft are respectively equipped with alloy sleeve, two alloy sleeves engage, thrust terminator housing upper, between lower contact, corresponding force transmission shaft is set with by quiet slide block and quiet slider bracket thereof and movable slider and movable slider thereof and props up the thrust bearing being configured to, described quiet slider bracket is fixed on by both sides setting sleeve, between lower contact, movable slider support is provided with quiet slide block axial position regulating mechanism, described quiet slide block axial position regulating mechanism is provided with and is individually fixed in the upper of force transmission shaft, lower reference rings, wherein descend reference rings to embed the central recess of adjusting nut, adjusting nut is connected with the bush threads moving along force transmission shaft axial reciprocating, lining engages with movable slider support, upper reference rings embeds the central recess of movable slider support, on described, lower reference rings, lining and movable slider support are respectively equipped with the keyway with the axial square key slip joint of force transmission shaft.
2. inversion multistage centrifugal pump according to claim 1, is characterized in that: the joining portion of the upper connection of described thrust terminator housing, lower contact and jacket casing is provided with respectively the anticreep plate being welded and fixed.
3. inversion multistage centrifugal pump according to claim 1, is characterized in that: the spline housing of described force transmission shaft upper end is provided with central diaphragm, and force transmission shaft top axial is provided with the length adjustment screw engaging with central diaphragm.
4. inversion multistage centrifugal pump according to claim 1, it is characterized in that: the upper and lower reference rings of described quiet slide block axial position regulating mechanism consists of two semi-ring docking respectively, the upper and lower reference rings that two semi-ring docking form embeds respectively in the groove of corresponding force transmission shaft setting.
5. inversion multistage centrifugal pump according to claim 1, is characterized in that: the adjusting nut of described quiet slide block axial position regulating mechanism is arranged with tightening in the Cock screw of lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361109.3U CN204003481U (en) | 2014-07-01 | 2014-07-01 | Be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361109.3U CN204003481U (en) | 2014-07-01 | 2014-07-01 | Be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit |
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| CN204003481U true CN204003481U (en) | 2014-12-10 |
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| CN201420361109.3U Active CN204003481U (en) | 2014-07-01 | 2014-07-01 | Be applicable to same-well injection and adopt the inversion multistage centrifugal pump of unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514246A (en) * | 2017-09-14 | 2017-12-26 | 天津荣亨集团股份有限公司 | Water acquisition water filling assembly in single-well injection-production system |
-
2014
- 2014-07-01 CN CN201420361109.3U patent/CN204003481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514246A (en) * | 2017-09-14 | 2017-12-26 | 天津荣亨集团股份有限公司 | Water acquisition water filling assembly in single-well injection-production system |
| CN107514246B (en) * | 2017-09-14 | 2024-03-29 | 天津荣亨集团股份有限公司 | Water production and injection assembly in same-well injection and production system |
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