CN207246039U - Sand control type deep-well fire pump - Google Patents
Sand control type deep-well fire pump Download PDFInfo
- Publication number
- CN207246039U CN207246039U CN201721180545.0U CN201721180545U CN207246039U CN 207246039 U CN207246039 U CN 207246039U CN 201721180545 U CN201721180545 U CN 201721180545U CN 207246039 U CN207246039 U CN 207246039U
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- China
- Prior art keywords
- inlet casing
- blower inlet
- bearing
- sand
- pump
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- 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
A kind of sand control type deep-well fire pump, includes motor, pump seat, lifting pipe and the pump housing, and in being provided with bearings at both ends and middle part bearing in the pump housing, bearings at both ends and middle part bearing are rubber shaft bearing;Anti- sand ring is further included, anti-sand ring is the bowl-shape sand control component of grid type, offers water inlet on the pump housing, anti-sand ring is inserted into water inlet and is removably secured and is arranged on lower blower inlet casing.Material improvement is carried out in the bearing installed to the pump body equipped with impeller;The 2nd, anti-sand ring is installed below impeller and in blower inlet casing.Play the role of first order sand control using anti-sand ring, the bearing set inside lower blower inlet casing can be protected, prevent sand grains from gathering.The utility model uses nitrile rubber material bearing, can so make partial particulate quick pop-up after entering in bearing, so can be to avoid particle aggregation, and can reduce abrasion of particles.The utility model enhances deep-well fire pump and applies the sand control ability in river, and that has widened borehole shaft driven (centrifugal) pump uses field.
Description
Technical field
Fire-fighting system equipment technical field is the utility model is related to, more specifically, more particularly to a kind of sand control type deep-well
Fire pump.
Background technology
In waterworks for firefighting, it can usually use deep-well fire pump extraction natural river water to be provided for fire-fighting work and use water.
For the harder natural river water of high concentration of sediment and sand grain, silt easily causes sternly the bearing of underwater transmission system
The wear-out failure of weight, so results in common deep-well fire pump and is not suitable for the work that natural river water is directly fetched water.However,
In the case of necessity, fire-fighting work must use and arrive natural river water again, so will result in the reduction of deep-well fire pump service life.
Therefore, for the underwater transmission system of deep-well fire pump, it is therefore necessary to a set of reliable sand-proof device is provided,
For ensureing the normal operation of deep-well fire pump transmission system.
Utility model content
(One)Technical solution
The utility model provides a kind of sand control type deep-well fire pump, includes motor, pump seat, lifting pipe and the pump housing.
Wherein, the pump housing includes the upper blower inlet casing set gradually, middle blower inlet casing and lower blower inlet casing, leads on described
Flow in shell, the middle blower inlet casing and the lower blower inlet casing rotatably arranged with there is impeller, whole impellers passes through cone
Set is fixed in impeller axle and is rotated by impeller axle transmission;
In being both provided with bearings at both ends in the upper blower inlet casing and the lower blower inlet casing, set in the middle blower inlet casing
There is middle part bearing, the bearings at both ends and the middle part bearing are rubber shaft bearing;
The motor is arranged at the top of the pump seat, and the lifting pipe is arranged at the lower section of the pump seat, it is described on lead
Stream shell is fixedly connected with the lower end of the lifting pipe by flange arrangement, and the motor includes motor shaft, and the motor shaft is worn
Cross the pump seat and pass through shaft coupling and the impeller axle power connector.
Based on said structure design, the utility model has further included anti-sand ring, and the anti-sand ring is the bowl-shape sand control of grid type
Component, offers water inlet on the lower blower inlet casing, the anti-sand ring, which is inserted into the water inlet and is removably secured, to be set
It is placed on the lower blower inlet casing.
Preferably, the bearings at both ends is nitrile rubber bearing, and the middle part bearing is nitrile rubber bearing.
Preferably, the impeller is 2205 material impeller of stainless steel;The impeller axle is 2205 material impeller axle of stainless steel.
Preferably, the impeller surface is provided with ceramic wear-resistant layer, the thickness of the ceramics wear-resistant layer by spraying coating process
In 4-9mm.
(Two)Beneficial effect
By said structure design, the sand control structure employed in the utility model, which is improved, mainly includes at following 2 points:
1st, material improvement is carried out to the bearing that the pump body equipped with impeller is installed;The 2nd, sand control is installed below impeller and in blower inlet casing
Ring.Play the role of first order sand control using anti-sand ring, the bearing set inside lower blower inlet casing can be protected, prevent sand grains collection
It is poly-.In conventional art, the bearing of installation is copper bearing inside blower inlet casing, and bearing is changed to wear-resisting nitrile rubber by the utility model
Material bearing, can so make partial particulate quick pop-up after entering in bearing, so can be to avoid particle aggregation, and can subtract
Little particle is worn.The structure improvement of the utility model enhances deep-well fire pump and applies the sand control ability in river, widens
Borehole shaft driven (centrifugal) pump uses field, is conducive to the multi-field development of deep-well fire pump.
Brief description of the drawings
Fig. 1 is the structure diagram of sand control type deep-well fire pump in the utility model embodiment;
In Fig. 1, the correspondence of component names and accompanying drawing number is:
Motor 1, pump seat 2, lifting pipe 3, the pump housing 4, anti-sand ring 5.
Embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiments
For illustrating the utility model, but cannot be used for limiting the scope of the utility model.
In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more;Term
The orientation or position of the instruction such as " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody " are closed
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as the limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for description purpose, and cannot
It is interpreted as indicating or implying relative importance.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Please refer to Fig.1, Fig. 1 is the structure diagram of sand control type deep-well fire pump in the utility model embodiment.
The utility model for sand control capability existing for traditional fire pump it is poor the problem of, specifically provide a kind of structure letter
Single, use reliability height, and also there is the deep-well fire pump of sand-proof function, pass through its structure design, it is ensured that underwater to pass
Dynamic system run all right, enables deep-well fire pump to be worked normally under silt water environment.
The technical solution of the utility model is as follows:
Deep-well fire pump is mainly by the pump housing 4 with impeller, 1 part of the lifting pipe 3 equipped with transmission shaft, pump seat 2 and motor
Composition, the pump housing 4 and lifting pipe 3 are installed on the lower section of basic platform and, pump seat 2 and motor 1 arranged below positioned at the water surface
Divide the top for being then arranged on basic platform and be located at water surface arrangement above.
The power that motor 1 exports passes to impeller axle by the transmission shaft concentric with lifting pipe 3, is provided with impeller axle
Impeller, impeller axle rotation produce flow.Wherein, the pump housing 4 include water strainer, impeller, tapered sleeve, lower blower inlet casing, middle blower inlet casing, on lead
Stream shell, blower inlet casing bearing, transmission shaft and stent, impeller are fastened on pump shaft by tapered sleeve.
Sand control structure is improved and mainly includes at following 2 points:1st, the bearing of the inside of the pump housing 4 installation equipped with impeller is carried out
Material improves;The 2nd, anti-sand ring 5 is installed below impeller and in blower inlet casing.Play the role of first order sand control using anti-sand ring 5, can
The bearing set inside lower blower inlet casing is protected, prevents sand grains from gathering.In conventional art, the bearing of installation inside blower inlet casing
For copper bearing, bearing is changed to wear-resisting nitrile rubber material bearing, partial particulate is entered axis by the utility model
Interior rear quick pop-up is held, so can be to avoid particle aggregation, and abrasion of particles can be reduced.
By said structure design, the structure of the utility model is improved to enhance deep-well fire pump and apply prevents in river
Sand ability, that has widened borehole shaft driven (centrifugal) pump uses field, is conducive to the multi-field development of deep-well fire pump.
The utility model provides a kind of sand control type deep-well fire pump, its underwater running part mainly include impeller axle, on
Blower inlet casing, bearings at both ends, middle part columella are held, tapered sleeve, impeller, middle blower inlet casing, lower blower inlet casing, anti-sand ring 5.Anti- sand ring 5 is squeezed into
In lower blower inlet casing, middle part columella hold once squeeze into blower inlet casing prepare it is stand-by.Nut is installed to screw in impeller axle, penetrates down and leads
Shell one end is flowed, impeller axle sets threaded one end to extend into inside blower inlet casing and cover and is attached in impeller set, will be bored with cylinder is rushed
Set bangs into blower inlet casing, after first impeller installs, tightens installation nut once again.Blower inlet casing, impeller and tapered sleeve are inserted in, so
Last impeller can be attached to successively, and installation nut shim is pulled down, and checks the string quantity of impeller axle, it is desirable to which string quantity is in 6-10mm scopes
Interior, it allows the location tolerance for having 3mm.In order to ensure the functional reliability of pump shaft, impeller, made of cemented carbide material,
Ensure that the place of water source contact is made of wear-resistant metal material or composite material.The operation principle of the utility model is in water pump
After first start, 1 axis of motor drives the operating of underwater transmission system after motor 1 starts, when river water enters pump head sand grains first by
The most of filtering of anti-sand ring 5, fraction sand grains enter after rubber shaft bearing the pop-up that runs at high speed, so reduce sand grains to impeller with
The abrasion of impeller axle, so that underwater river water be exported from lifting pipe 3.
The utility model has also carried out structure improvement to impeller, i.e., is coated with ceramic jacking in impeller surface so as in impeller
Surface forms ceramic wear-resistant layer of a layer thickness between 5-8mm, can so improve the abrasion-resistance of impeller.
The embodiment of the utility model in order to example and description for the sake of and provide, and be not exhaustively or will
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selection and description embodiment are to more preferably illustrate the principle and practical application of the utility model, and make this area
Those of ordinary skill it will be appreciated that the utility model so as to designing various embodiments with various modifications suitable for special-purpose.
Claims (4)
1. a kind of sand control type deep-well fire pump, includes motor(1), pump seat(2), lifting pipe(3)And the pump housing(4), its feature
It is,
The pump housing includes the upper blower inlet casing set gradually, middle blower inlet casing and lower blower inlet casing, in the upper blower inlet casing, described
Rotatably arranged with there is impeller in middle blower inlet casing and the lower blower inlet casing, whole impellers is fixedly installed by tapered sleeve
Rotated in impeller axle and by impeller axle transmission;
In being both provided with bearings at both ends in the upper blower inlet casing and the lower blower inlet casing, in being provided with the middle blower inlet casing
Portion's bearing, the bearings at both ends and the middle part bearing are rubber shaft bearing;
The motor is arranged at the top of the pump seat, and the lifting pipe is arranged at the lower section of the pump seat, the upper blower inlet casing
It is fixedly connected with the lower end of the lifting pipe by flange arrangement, the motor includes motor shaft, and the motor shaft passes through institute
State pump seat and pass through shaft coupling and the impeller axle power connector;
Anti- sand ring is further included(5), the anti-sand ring is the bowl-shape sand control component of grid type, is offered on the lower blower inlet casing into water
Mouthful, the anti-sand ring is inserted into the water inlet and is removably secured and is arranged on the lower blower inlet casing.
2. sand control type deep-well fire pump according to claim 1, it is characterised in that
The bearings at both ends is nitrile rubber bearing, and the middle part bearing is nitrile rubber bearing.
3. sand control type deep-well fire pump according to claim 1 or 2, it is characterised in that
The impeller is 2205 material impeller of stainless steel;
The impeller axle is 2205 material impeller axle of stainless steel.
4. sand control type deep-well fire pump according to claim 3, it is characterised in that
The impeller surface is provided with ceramic wear-resistant layer by spraying coating process, and the thickness of the ceramics wear-resistant layer is in 4-9mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721180545.0U CN207246039U (en) | 2017-09-15 | 2017-09-15 | Sand control type deep-well fire pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721180545.0U CN207246039U (en) | 2017-09-15 | 2017-09-15 | Sand control type deep-well fire pump |
Publications (1)
Publication Number | Publication Date |
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CN207246039U true CN207246039U (en) | 2018-04-17 |
Family
ID=61888612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721180545.0U Expired - Fee Related CN207246039U (en) | 2017-09-15 | 2017-09-15 | Sand control type deep-well fire pump |
Country Status (1)
Country | Link |
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CN (1) | CN207246039U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108644124A (en) * | 2018-04-29 | 2018-10-12 | 贝德科技有限公司 | It is a kind of to use the double dynamical long axis fire pump for inhibiting biological growth new material |
CN108644125A (en) * | 2018-04-29 | 2018-10-12 | 贝德科技有限公司 | A kind of diesel engine long axis fire pump using seawater corrosion resistance new material |
-
2017
- 2017-09-15 CN CN201721180545.0U patent/CN207246039U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108644124A (en) * | 2018-04-29 | 2018-10-12 | 贝德科技有限公司 | It is a kind of to use the double dynamical long axis fire pump for inhibiting biological growth new material |
CN108644125A (en) * | 2018-04-29 | 2018-10-12 | 贝德科技有限公司 | A kind of diesel engine long axis fire pump using seawater corrosion resistance new material |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200915 |