CN206448954U - Centrifugal pump is driven in a kind of high-lift double suction - Google Patents
Centrifugal pump is driven in a kind of high-lift double suction Download PDFInfo
- Publication number
- CN206448954U CN206448954U CN201621264169.9U CN201621264169U CN206448954U CN 206448954 U CN206448954 U CN 206448954U CN 201621264169 U CN201621264169 U CN 201621264169U CN 206448954 U CN206448954 U CN 206448954U
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- double suction
- cover
- pump shaft
- 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses drive centrifugal pump in a kind of high-lift double suction, including the pump housing, pump cover, impeller and pump shaft, the bottom of the pump housing is provided with base, impeller is located at the interior intracavitary of the pump housing and pump cover, impeller is arranged on pump shaft by key, the skeleton section of impeller is " people " word shape, the blade profile of impeller is in symmetrical hook-shaped, in impeller and the pump housing, double suction sealing ring is provided between pump cover, impeller is with double suction sealing ring at a distance of 5 10mm, the impeller face relative with double suction sealing ring is smooth plane, pump shaft is provided with the symmetrical axle sleeve in impeller radial center face, machine sealed cover, sleeve nut and bearing housing, axle sleeve outer ring is respectively mounted organic envelope, machine envelope is pressed in pump cover by machine sealed cover by fastener.The utility model is simple and compact for structure, good cooling results, without external cooling water, good sealing effect, while having higher operating pressure under equal flow, operating efficiency is high, and service life of equipment is high, easy to maintenance, with good economic benefit.
Description
Technical field
The utility model, which is related in a kind of high-lift double suction, drives centrifugal pump, belongs to digit ctrol machine tool field.
Background technology
Pump is a kind of machine tool that other energy such as mechanical energy or electric energy are changed into liquid potential energy, then it again with
The form of kinetic energy is showed, so as to reach the purpose of fortune liquid, in the production of chemical industry and oil sector, raw material, semi-finished product
It is liquid mostly with finished product, and semi-finished product and finished product is made in raw material, it is necessary to which by complicated technical process, pump is in these processes
In serve conveying liquid and provide chemical reaction pressure flow effect, in addition, also being adjusted in many devices with pump
Centrifugal pump is driven in temperature, double suction has simple in construction positioned at one kind in pump, and the big advantage of workload is widely used, with double suction
In open the development of centrifugal pump, increasing centrifugal pump is applied under various occasions, existing Double entry middle-opening pump HTHP,
Pump housing heating is serious, therefore conventional packing seal or nonmetallic sealing need just make pump operating just using external cooling water
Often, bothered for a long time with easily damage and maintenance, leakage generation easily occurs in the pump housing and endangers, effect is there is additionally, due to it
Low and highly energy-consuming the shortcoming of rate, is unfavorable for economizing on resources, it is therefore desirable to optimize design to it and increase the benefit and save to reach
The about purpose of cost.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model, which is to provide in a kind of high-lift double suction, opens centrifugation
Pump.
In order to realize above-mentioned target, the utility model is adopted the following technical scheme that：
Centrifugal pump is driven in a kind of high-lift double suction, it is characterised in that including the pump housing, pump cover, impeller and pump shaft, the bottom of the pump housing
Portion is provided with base, and impeller is located at the interior intracavitary of the pump housing and pump cover, and impeller is arranged on pump shaft by key, and pump shaft is provided with leaf
The symmetrical axle sleeve of wheel radial median plane, machine sealed cover, sleeve nut and bearing housing, axle sleeve outer ring are respectively mounted organic envelope, machine envelope pressure
Machine envelope is pressed in pump cover by lid by fastener, and pump shaft head is provided with shaft coupling, and pump shaft end is provided with closure.
Preferably, foregoing impeller framework section is " people " word shape, the blade profile of impeller is in symmetrical hook-shaped, makes impeller
The external diameter of impeller can be increased with higher strength-weight ratio and at utmost, there is more high workload pressure than equivalent fixture.
Preferably, foregoing that double suction sealing ring is provided between impeller and the pump housing, pump cover, impeller and double suction sealing ring are apart
5-10mm, the impeller face relative with double suction sealing ring is smooth plane, can be produced in impeller rotary course it is powerful from
Mental and physical efforts make to form negative pressure cavity between impeller and double suction sealing ring, can be dissipated outside anti-locking apparatus centrifugal force, improve device operating efficiency.
Preferably, foregoing impeller and double suction sealing ring gap are to be opened up on relative with pump cover face in 5mm, double suction sealing ring
There is a groove, the guide face of double suction sealing ring is arc surface, and impeller and double suction sealing ring material are two phase stainless steel, are conducive to
Increase blade reduces fluid resistance, extension fixture service life simultaneously with double suction sealing ring intensity.
Preferably, include bearing in aforementioned bearings case, layer 2-4 O-ring is offered on the contact surface of bearing housing and pump shaft
Band, can play good sealing and support the effect of pump shaft, it is ensured that the high speed rotation of pump shaft, reduce and produced in pump shaft rotation
Vibration.
Preferably, foregoing pump cover outer surface is provided with two symmetrical tracheaes, wherein one end and the pump cover head phase of tracheae
Even, the other end of tracheae is connected with pump cover bottom close to machine sealing position, contributes to pump inner chamber stable gas pressure, it is ensured that device is steadily transported
OK.
Preferably, foregoing shaft coupling is made up of pump shaft connection end with motor connection end, and pump shaft connection end passes through flat key and pump
Axle spindle nose is connected, and equally distributed four keyways in circumferentially direction is provided with motor connection end, to be provided in motor connection
It is convenient.
Preferably, there is external screw thread on foregoing pump shaft with sleeve nut junction car, pump shaft and sleeve nut screw thread specification are equal
Using sealing pipe screw thread, the cylindrical external diameter of sleeve nut is less than machine sealed cover inner chamber internal diameter, and sleeve nut can not only provide good
Sealing property, and can prevent from moving outside axle sleeve.
Preferably, foregoing machine envelope is hollow cylindrical, and machine envelope (12) uses all-metal sealing ring, and material is stainless steel, energy
Effectively prevent machine envelope from not pressing tightly, the generation of pressure break situation.
Preferably, foregoing pump shaft uses monoblock type bar, and pump shaft material uses 20Cr13, straightness error after pump shaft processing
Less than 0.5mm/m, make pump shaft that there is good rigidity and the vibration that pump shaft is produced in rotation process can be reduced, extension fixture
Service life.
It is of the present utility model to be beneficial in that：The utility model is simple and compact for structure, easy for installation, good cooling results,
Without external cooling water, good sealing effect, while having higher operating pressure under equal flow, operating efficiency is high, and equipment makes
It is high with the life-span, it is easy to maintenance, with good economic benefit.
Brief description of the drawings
Fig. 1 is the schematic diagram of a preferred embodiment of the present utility model；
Fig. 2 is enlarged diagram at A in Fig. 1；
Fig. 3 is enlarged diagram at B in Fig. 1；
Fig. 4 is C enlarged diagrams in Fig. 1.
The implication of reference in figure：1st, base, 2, the pump housing, 3, closure, 4, pump shaft, 5, pump cover, 6, impeller, 7, leaf
Piece, 8, skeleton, 9, key, 10, double suction sealing ring, 11, axle sleeve, 12, machine envelope, 13, machine sealed cover, 14, sleeve nut, 15, bearing
Case, 16, bearing, 17, shaft coupling, 18, prover, 19, pump shaft connection end, 20, O-ring, 21, tracheae.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or
Imply relative importance.
Referring to Fig. 1, drive centrifugal pump in a kind of high-lift double suction of the present utility model, including the pump housing 2, pump cover 5, impeller 6 and
Pump shaft 4, the bottom of the pump housing 2 is provided with base 1, and the outer surface of pump cover 5 is provided with two symmetrical tracheaes 21, wherein the one of tracheae 21
End is connected with the head of pump cover 5, and the other end and the bottom of pump cover 5 of tracheae 21 are connected at machine envelope 12, and the head of pump shaft 4 is provided with connection
Axle device 17, the end of pump shaft 4 is provided with closure 3, and shaft coupling 17 is made up of pump shaft connection end 19 with motor connection end 18, and pump shaft connects
Connect end 19 to be connected with the spindle nose of pump shaft 4 by flat key, equally distributed four keys in circumferentially direction are provided with motor connection end 18
Groove, pump shaft connection end 19 has side to be flange face with motor connection end 18, and composition connection is connected with each other by respective flange face
Axle device 17.
Referring to Fig. 1 and Fig. 3, impeller 6 is located at the interior intracavitary of the pump housing 2 and pump cover 5, and impeller 6 is arranged on pump shaft 4 by key 9,
Impeller 6 is formed by two phase stainless steel casting, here from the two-way stainless steel that the trade mark is 2205, and key 9 uses flat key, and material is
304 stainless steels, the section of skeleton 8 of impeller 6 is " people " word shape, the section of blade 7 of impeller 6 in symmetrical hook-shaped, impeller 6 with
Be provided with double suction sealing ring 10 between the pump housing 2, pump cover 5, double suction sealing ring 10 be in circular quoit, double suction sealing ring 10 with
A groove is offered on the relative face of pump cover 5, the guide face of double suction sealing ring 10 is arc surface, and material is two phase stainless steel,
Here from the two-way stainless steel that the trade mark is 2205, the face relative with double suction sealing ring 10 of impeller 6 is smooth plane, impeller
6 be 5mm with the gap of double suction sealing ring 10.
Referring to Fig. 1, Fig. 2 and Fig. 4, pump shaft 4 be provided with the symmetrical axle sleeve 11 in the radial center face of impeller 6, machine sealed cover 13,
Sleeve nut 14 and bearing housing 15, therefore axle sleeve 11, machine sealed cover 13, sleeve nut 14 and the quantity of bearing housing 15 are 2, axle
Cover 11 outer rings and be respectively mounted organic envelope 12, machine envelope 12 is hollow cylindrical, and machine envelope 12 uses all-metal sealing ring, here from high-ductility
Property 316 stainless steels, can effectively prevent machine envelope do not press tightly, the generation of pressure break situation, machine sealed cover 13 is sealed machine by fastener
12 are pressed in pump cover 5, there is external screw thread, pump shaft 4 and the screw thread specification of sleeve nut 14 on pump shaft 4 with the junction car of sleeve nut 14
Using sealing pipe screw thread, the cylindrical external diameter of sleeve nut 14 is less than in the inner chamber internal diameter of machine sealed cover 13, bearing housing 15 and includes axle
16 are held, its middle (center) bearing 16 is deep groove ball bearing, and bearing housing 15 on the contact surface of pump shaft 4 with offering 2 layers of band of O-ring 20.
Specific in the present embodiment, pump shaft 4 uses monoblock type bar, and the material of pump shaft 4 uses 20Cr13, after the processing of pump shaft 4
Straightness error is less than 0.5mm/m, makes what pump shaft 4 had good rigidity and can reduce that pump shaft produces in rotation process to shake
It is dynamic, the service life of extension fixture.
In summary, the utility model is simply compact, easy for installation, good cooling results, without external cooling water, sealing effect
Really good, while having higher operating pressure under equal flow, operating efficiency is high, and service life of equipment is high, easy to maintenance, has
Good economic benefit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within protection domain of the present utility model.
Claims (8)
1. drive centrifugal pump in a kind of high-lift double suction, it is characterised in that including the pump housing (2), pump cover (5), impeller (6) and pump shaft
(4), the bottom of the pump housing (2) is provided with base (1), and the impeller (6) is located at the interior intracavitary of the pump housing (2) and pump cover (5), leaf
Take turns (6) to be arranged on pump shaft (4) by key (9), skeleton (8) section of impeller (6) is " people " word shape, the blade of impeller (6)
(7) section is provided with double suction sealing ring (10), impeller in symmetrical hook-shaped between impeller (6) and the pump housing (2), pump cover (5)
(6) with double suction sealing ring (10) at a distance of 5-10mm, impeller (6) face relative with double suction sealing ring (10) is smooth plane,
The pump shaft (4) is provided with the symmetrical axle sleeve in impeller (6) radial center face (11), machine sealed cover (13), sleeve nut (14)
And bearing housing (15), axle sleeve (11) outer ring is respectively mounted organic envelope (12), and the machine sealed cover (13) is by fastener by machine
Envelope (12) is pressed in pump cover (5), and pump shaft (4) head is provided with shaft coupling (17), and pump shaft (4) end is provided with closure (3).
2. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that the impeller (6) and double suction
Sealing ring (10) gap is 5mm, offers a groove, double suction sealing in double suction sealing ring (10) on the face relative with pump cover (5)
The guide face of ring (10) is arc surface, and impeller (6) and double suction sealing ring (10) material are two phase stainless steel.
3. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that in the bearing housing (15)
Include bearing (16), bearing housing (15) on the contact surface of pump shaft (4) with offering layer 2-4 O-ring（20）Band.
4. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that pump cover (5) appearance
Face is provided with two symmetrical tracheaes（21）, tracheae（21）Wherein one end be connected with pump cover (5) head, tracheae（21）It is another
End is connected with pump cover (5) bottom close to machine envelope (12) place.
5. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that the shaft coupling (17) by
Pump shaft connection end (19) is constituted with motor connection end (18), and pump shaft connection end (19) are connected by flat key with pump shaft (4) spindle nose, electricity
Equally distributed four keyways in circumferentially direction are provided with machine connection end (18).
6. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that on the pump shaft (4) with
Sleeve nut (14) junction car has external screw thread, and pump shaft (4) is with sleeve nut (14) screw thread specification using sealing pipe screw thread, axle
Cover nut (14) cylindrical external diameter and be less than machine sealed cover (13) inner chamber internal diameter.
7. drive centrifugal pump in a kind of high-lift double suction according to claim 1, it is characterised in that the machine envelope (12) is sky
The heart is cylindric, and machine envelope (12) uses all-metal sealing ring, and material is stainless steel.
8. drive centrifugal pump in a kind of high-lift double suction according to any one of claim 1-7, it is characterised in that the pump
Axle (4) uses monoblock type bar, and pump shaft (4) material uses 20Cr13, and straightness error is less than 0.5mm/m after pump shaft (4) processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264169.9U CN206448954U (en) | 2016-11-24 | 2016-11-24 | Centrifugal pump is driven in a kind of high-lift double suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264169.9U CN206448954U (en) | 2016-11-24 | 2016-11-24 | Centrifugal pump is driven in a kind of high-lift double suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448954U true CN206448954U (en) | 2017-08-29 |
Family
ID=59661275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621264169.9U Expired - Fee Related CN206448954U (en) | 2016-11-24 | 2016-11-24 | Centrifugal pump is driven in a kind of high-lift double suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542669A (en) * | 2017-10-20 | 2018-01-05 | 项达章 | A kind of single-stage double-suction radial direction subdivision centrifugal pump |
| CN115898940A (en) * | 2023-02-02 | 2023-04-04 | 上海中韩杜科泵业制造有限公司 | Rotor assembly and centrifugal pump |
-
2016
- 2016-11-24 CN CN201621264169.9U patent/CN206448954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542669A (en) * | 2017-10-20 | 2018-01-05 | 项达章 | A kind of single-stage double-suction radial direction subdivision centrifugal pump |
| CN115898940A (en) * | 2023-02-02 | 2023-04-04 | 上海中韩杜科泵业制造有限公司 | Rotor assembly and centrifugal pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206448954U (en) | Centrifugal pump is driven in a kind of high-lift double suction | |
| CN206263606U (en) | Hollow type turntable | |
| CN103953553B (en) | A kind of borehole shaft drivenpump | |
| CN203947150U (en) | Thermospray rotary target material refrigerating unit | |
| CN203962381U (en) | A kind of gear pump | |
| CN206246374U (en) | A kind of self-adjusting type energy-saving centrifugal pump | |
| CN103161749A (en) | High-power plastic lining magnetic pump | |
| CN104847415B (en) | A kind of axial-flow type hydraulic turbine installation | |
| CN202673703U (en) | High-revolving-speed magnetic-transmission tangent flow pump | |
| CN207634655U (en) | A kind of magnetic fluid seal driving device for multi-chamber PECVD device | |
| CN209697068U (en) | A kind of tumbling ball mill cooling device | |
| CN208574643U (en) | Concentric turns with cooled centrifugate gyration sealing device are high-gravity rotating bed | |
| CN203201796U (en) | Scroll vacuum pump | |
| CN207539083U (en) | Rush weldering type pump impeller | |
| CN203348207U (en) | Movable blade swinging hydraulic oil cylinder | |
| CN206329497U (en) | A kind of preposition booster pump of end odd test | |
| CN206874528U (en) | A kind of integral centrifugal pump stake body | |
| CN210738807U (en) | Oil-free scroll vacuum pump | |
| CN206754169U (en) | A kind of high-power hydraulic pump connection bearing | |
| CN205415268U (en) | Novel large -scale pipe fitting class hole burnishing machine | |
| CN206600303U (en) | A kind of sealing device of high-temperature melting salt pump | |
| CN203585401U (en) | Powder spherical valve | |
| CN102965145A (en) | Efficient paraffin cooling device | |
| CN207098815U (en) | A kind of square shell alternating current impression valve driving machine | |
| CN209922888U (en) | Static pressure rotary supporting device of hydrogen fluoride pre-reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Mou Jiegang Inventor after: Qian Tongyun Inventor after: Tong Guohua Inventor before: Mou Jiegang Inventor before: Qian Tongyun Inventor before: Jiao Jiwei |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20201124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |