CN214742129U - Rotary jet shield pump - Google Patents
Rotary jet shield pump Download PDFInfo
- Publication number
- CN214742129U CN214742129U CN202120696091.2U CN202120696091U CN214742129U CN 214742129 U CN214742129 U CN 214742129U CN 202120696091 U CN202120696091 U CN 202120696091U CN 214742129 U CN214742129 U CN 214742129U
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- CN
- China
- Prior art keywords
- bearing
- shell
- liquid
- pump body
- pump
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 239000007770 graphite material Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model provides a rotary jet shield pump, which comprises a pump body, a stator component, a first bearing, a second bearing, a rotor component, a rotary shell, a collecting pipe and a rotary blade, wherein the stator component, the first bearing, the second bearing, the rotor component, the collecting pipe and the rotary blade are arranged in the pump body, two ends of the rotor component are respectively and rotatably arranged on the first bearing and the second bearing, the stator component is fixed in the pump body and surrounds the periphery of the rotor component, the right side of the rotary shell is fixedly connected with the left end of the rotor component, the left side of the rotary shell is rotatably arranged on the pump body, a liquid passing hole communicated with the liquid passing cavity is arranged in the rotary shell, a liquid outlet and a suction chamber are arranged on the left side of the pump body, the liquid outlet is correspondingly arranged on the inner side of the liquid passing hole, the left end and the left end of the liquid passing hole are communicated with the pump body and the liquid passing hole respectively, one end of the collecting pipe is communicated with the liquid outlet, the other end is provided with the liquid collecting hole, the rotary blade is fixed in the rotary shell, the device has the advantages that the device can adapt to the use conditions of small flow and high lift, and the liquid conveying is more stable.
Description
Technical Field
The utility model relates to a canned motor pump technical field, in particular to rotatory injection canned motor pump.
Background
As a liquid conveying device, the centrifugal pump is widely applied to the fields of electric power, metallurgy, coal, building materials and the like, and compared with the traditional centrifugal pump, the shield pump has the characteristics of no leakage, safety and the like, so that the shield pump is more and more widely applied to the market, but the existing shield pump still has no ideal product in the range of small flow and high lift. The general single-stage canned motor pump can not be applicable to the operating mode condition of little flow, high lift, and have a plurality of impellers in the multistage canned motor pump, and bulky, the structure is complicated, the wearing parts is many, the maintenance is troublesome, efficiency is lower during little flow, and there is minimum flow restriction, when demand flow is less than the minimum continuous flow of pump, often need open bypass pipeline reposition of redundant personnel, cause the waste on the flow, the reciprocating pump can satisfy the use operating mode of less flow, but reciprocating pump outlet pressure has the pulsation, goes out the liquid unstability, can not provide stable, continuous liquid output, can not satisfy the needs of industrial production under the specific condition.
Therefore, it is necessary to manufacture a rotary jet shield pump which can not only adapt to the use conditions of small flow and high lift, but also can more stably convey liquid.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a rotary jet canned motor pump to solve the problems mentioned in the background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a rotary jet shield pump comprises a pump body, a stator assembly arranged in the pump body, a first bearing, a second bearing, a rotor assembly, a rotary shell, a collecting pipe and a rotary blade, wherein the first bearing and the second bearing are fixed in the pump body along the left and right directions, two ends of the rotor assembly are respectively and rotatably arranged on the first bearing and the second bearing, the stator assembly is fixed in the pump body and surrounds the periphery of the rotor assembly, the stator assembly is used for driving the rotor assembly to rotate, the right side of the rotary shell is fixedly connected with the left end of the rotor assembly, the left side of the rotary shell is rotatably arranged on the pump body, a liquid cavity is arranged in the rotary shell, a liquid passing hole communicated with the liquid cavity is arranged on the left side of the rotary shell, a liquid outlet and a suction chamber are arranged on the left side of the pump body, the liquid outlet is correspondingly arranged on the inner side of the liquid passing hole, the left and right ends of the suction chamber are respectively communicated with the pump body and the liquid passing hole, the collecting pipe is arranged along the radial direction of the rotor assembly, one end of the collecting pipe is communicated with the liquid outlet, the other end of the collecting pipe is provided with a liquid collecting hole, and the rotating blade is fixed in the rotating shell.
To the further description of the present invention: the rotary shell comprises a first shell and a second shell, the second shell is fixed on the right side of the first shell, the right side of the second shell is fixedly connected with the rotor assembly, a liquid rotating cavity is formed on the inner sides of the first shell and the second shell, the left side of the first shell is rotatably installed on the pump body, and a liquid passing hole is formed in the left side of the rotary shell.
To the further description of the present invention: the rotor assembly, the liquid outlet and the rotating blades are coaxially arranged.
To the further description of the present invention: the first bearing and the second bearing adopt sliding bearings.
To the further description of the present invention: the first bearing and the second bearing are made of silicon carbide materials.
To the further description of the present invention: the first bearing and the second bearing are made of graphite materials.
The utility model has the advantages that:
(1) through set up motionless collecting main in the whirl intracavity, liquid gets into from the suction chamber, it is rotatory at a high speed along with whirl chamber, rotatory liquid stream gets into the collecting main, the high-speed liquid that flows in the whirl chamber is collected to static radial collecting main, and convert the kinetic energy of liquid into pressure energy and export the liquid outlet, thereby mechanical energy conversion has been accomplished in the jet-spinning pump and has been liquid energy process, can adapt to the miniflow, the service condition of high lift, it is too big to have solved ordinary vane type pump flow under the less flow, need open bypass pipeline reposition of redundant personnel, cause the extravagant problem of flow.
(2) The liquid in the liquid rotating cavity flows out to the liquid outlet through the radially arranged collecting pipe, the rotor assembly hardly generates axial thrust, the difficult problem that the axial force of a common blade type shielding pump is large and not balanced easily is fundamentally overcome, and the infusion process of the shielding pump is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
description of reference numerals:
1. a pump body; 11. a liquid outlet; 12. a suction chamber; 2. a stator assembly; 3. a first bearing; 4. a second bearing; 5. a rotor assembly; 6. a rotating housing; 61. a liquid rotating cavity; 62. a liquid passing hole; 63. a first housing; 64. a second housing; 7. a header pipe; 71. a liquid collecting hole; 8. the blades are rotated.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1, a rotary jet canned motor pump comprises a pump body 1, a stator assembly 2, a first bearing 3, a second bearing 4, a rotor assembly 5, a rotary housing 6, a collecting pipe 7 and a rotary blade 8, wherein the stator assembly 2, the first bearing 3, the second bearing 4 and the rotary blade 8 are arranged in the pump body 1, the first bearing 3 and the second bearing 4 are fixed in the pump body 1 along the left-right direction, two ends of the rotor assembly 5 are respectively and rotatably arranged on the first bearing 3 and the second bearing 4, the stator assembly 2 is fixed in the pump body 1 and surrounds the periphery of the rotor assembly 5, the stator assembly 2 is used for driving the rotor assembly 5 to rotate, the right side of the rotary housing 6 is fixedly connected with the left side of the rotor assembly 5, the left side is rotatably arranged on the pump body 1, a rotary fluid cavity 61 is arranged in the rotary housing 6, a fluid passing hole 62 communicated with the rotary fluid cavity 61 is arranged on the left side of the rotary housing 6, a fluid outlet 11 and a suction chamber 12 are arranged on the left side of the rotary housing 1, the fluid passing hole 62 is correspondingly communicated with the pump body 1, both ends respectively with the pump body 1 about suction chamber 12, cross liquid hole 62 intercommunication, collecting main 7 sets up along rotor subassembly 5's radial direction, collecting main 7's one end and 11 intercommunications of liquid outlet, the other end is equipped with collecting hole 71, rotating vane 8 is fixed in rotary shell 6, stator module 2 drives rotor subassembly 5 and rotates, thereby it rotates to drive rotary shell 6, when carrying liquid, liquid gets into from suction chamber 12, along with liquid chamber 61 high-speed rotation soon, rotatory liquid flow gets into collecting main 7, the high-speed liquid that flows in liquid chamber 61 is collected to static radial collecting main 7, and convert the kinetic energy of liquid into pressure energy and export liquid outlet 11, thereby mechanical energy conversion has been accomplished in the jet-grouting pump and liquid energy process.
In this design, the rotating casing 6 includes a first casing 63 and a second casing 64, the second casing 64 is fixed on the right side of the first casing 63, the right side of the second casing 64 is fixedly connected with the rotor assembly 5, the inner sides of the first casing 63 and the second casing 64 form a liquid rotating cavity 61, the left side of the first casing 63 is rotatably installed on the pump body 1, the left side of the rotating casing 6 is provided with a liquid passing hole 62, and the rotating casing 6 and the internal components can be conveniently replaced and maintained by adopting the split type first casing 63 and the second casing 64.
In this design, rotor subassembly 5, liquid outlet 11 and rotating vane 8 coaxial setting can make the canned motor pump operation more stable and noise reduction at the in-process of infusion.
In this design, first bearing 3 and second bearing 4 adopt slide bearing, what general rotary jet pump was used is antifriction bearing, the bearing box needs additionally to pour into lubricating oil into, lubricating oil needs regular change, and slide bearing has long service life and need not lubricating oil advantage such as, first bearing 3 and second bearing 4 can adopt silicon carbide material, silicon carbide's hardness is high, and is not fragile, also can adopt graphite material, graphite material's self-lubricating effect is better, the user can select according to the user demand.
The working principle of the embodiment is as follows:
rotatory injection canned motor pump is when carrying liquid, and liquid gets into from suction chamber 12, along with the high-speed rotation of whirl chamber 61, rotatory liquid stream gets into pressure manifold 7, and the high-speed liquid that flows in whirl chamber 61 is collected to static radial pressure manifold 7 to convert the kinetic energy of liquid into pressure energy and export liquid outlet 11, thereby accomplished mechanical energy and converted the liquid energy process into in the rotary jet pump, not only can adapt to the service condition of little flow, high lift, and liquid transport is more stable moreover.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (6)
1. A rotary jet canned motor pump characterized by: the centrifugal pump comprises a pump body, and a stator assembly, a first bearing, a second bearing, a rotor assembly, a rotating shell, a collecting pipe and a rotating blade which are arranged in the pump body, wherein the first bearing and the second bearing are fixed in the pump body along the left-right direction, two ends of the rotor assembly are respectively and rotatably arranged on the first bearing and the second bearing, the stator assembly is fixed in the pump body and surrounds the periphery of the rotor assembly, the stator assembly is used for driving the rotor assembly to rotate, the right side of the rotating shell is fixedly connected with the left end of the rotor assembly, the left side of the rotating shell is rotatably arranged on the pump body, a liquid rotating cavity is arranged in the rotating shell, a liquid passing hole communicated with the liquid rotating cavity is arranged on the left side of the rotating shell, a liquid outlet and a suction chamber are arranged on the left side of the pump body, the liquid outlet corresponds to the inner side of the liquid passing hole, and the left end of the liquid passing hole is communicated with the pump body, the left end and the right end of the suction chamber are respectively communicated with the pump body and the liquid passing hole, the collecting pipe is arranged along the radial direction of the rotor assembly, one end of the collecting pipe is communicated with the liquid outlet, the other end of the collecting pipe is provided with a liquid collecting hole, and the rotating blade is fixed in the rotating shell.
2. A rotary jet canned motor pump as in claim 1, wherein: the rotary shell comprises a first shell and a second shell, the second shell is fixed on the right side of the first shell, the right side of the second shell is fixedly connected with the rotor assembly, the inner side of the first shell and the inner side of the second shell form the liquid rotating cavity, the left side of the first shell is rotatably installed on the pump body, and the left side of the rotary shell is provided with the liquid passing hole.
3. A rotary jet canned motor pump as in claim 1, wherein: the rotor assembly, the liquid outlet and the rotating blades are coaxially arranged.
4. A rotary jet canned motor pump as in claim 1, wherein: the first bearing and the second bearing adopt sliding bearings.
5. A rotary jet canned motor pump as in claim 4, wherein: the first bearing and the second bearing are made of silicon carbide materials.
6. A rotary jet canned motor pump as in claim 4, wherein: the first bearing and the second bearing are made of graphite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696091.2U CN214742129U (en) | 2021-04-07 | 2021-04-07 | Rotary jet shield pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696091.2U CN214742129U (en) | 2021-04-07 | 2021-04-07 | Rotary jet shield pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742129U true CN214742129U (en) | 2021-11-16 |
Family
ID=78600637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120696091.2U Expired - Fee Related CN214742129U (en) | 2021-04-07 | 2021-04-07 | Rotary jet shield pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742129U (en) |
-
2021
- 2021-04-07 CN CN202120696091.2U patent/CN214742129U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |