CN202883390U - Anti-explosion multistage submersible sewage electric pump - Google Patents
Anti-explosion multistage submersible sewage electric pump Download PDFInfo
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- CN202883390U CN202883390U CN 201220591719 CN201220591719U CN202883390U CN 202883390 U CN202883390 U CN 202883390U CN 201220591719 CN201220591719 CN 201220591719 CN 201220591719 U CN201220591719 U CN 201220591719U CN 202883390 U CN202883390 U CN 202883390U
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Abstract
The utility model discloses an anti-explosion multistage submersible sewage electric pump which is characterized by comprising a water pump portion, a motor portion, a base, a cable and an anti-explosion connecting box. An anti-explosion connecting post is arranged inside the anti-explosion connecting box, the water pump portion is communicated with the motor portion through a shaft, the shaft is positioned inside the base, the anti-explosion connecting box is arranged at the top of the base, an inner cover is arranged between the base and an upper cover, the inner cover and the upper cover are fixed together on the base through bolt fasteners, the motor portion comprises a rotor and a stator, the stator is fixed on the base, the rotor is positioned inside the stator, the rotor drives the shaft to rotate at a high speed in the rotation process, the water pump portion comprises a water inlet section, a guide vane shell, a guide vane, an impeller A, a volute, an impeller B and a water outlet, and the impeller A and the impeller B are arranged on the shaft. An outgoing line of the motor portion is shifted from the side to the top, the anti-explosion connecting box is shifted from the side of the base to the upper portion of the base, and an independent anti-explosion connecting box and an independent anti-explosion connecting box cover of an existing anti-explosion electric pump are replaced by the upper cover and the inner cover, so that the size of the anti-explosion electric pump is decreased. A two-stage water pump is taken as an example, and the rest can be deduced by analogy, so that the multistage electric pump is illustrated. Owing to the multistage water pump, the use requirements of high-lift users can be met.
Description
Technical field
The utility model relates to a kind of water pump, specifically is a kind of explosion-proof type immersed sewage
MultistageElectric pump.
Background technique
As everyone knows, pump is that a class can be converted into the mechanical energy of prime mover the pressure potential that is transferred liquid and the fluid machinery of kinetic energy.The explosion-proof type electric pump refers to be applied to the electric pump of explosion risk environment, such as submersible pump, coalpump, clean waterpump, slag stock pump, oil-immersed pump etc.Traditional explosion-proof type electric pump comprises motor part, water pump part and anti-explosion terminal box, and wherein, the motor part partly links to each other by a through shaft with water pump, is provided with the explosion-proof wiring post in the anti-explosion terminal box, thereby can plays explosion-proof effect.The motor part of existing explosion-proof type electric pump is installed in the support usually, and water pump partly is to be positioned at bottom corresponding to motor, and the impeller of the rotor of motor part and water pump part is installed on the same axle, for the motor to the explosion-proof type electric pump partly provides lasting power supply, need to cable be set at the explosion-proof type electric pump, be used for ABAP Adapter.But present explosion-proof type electric pump generally adopts the mode of cable side outlet, and meanwhile, the anti-explosion terminal box that is used for explosion prevention function is arranged on the side of support.Concrete: the side of support is provided with the side opening seat; Described anti-explosion terminal box is arranged on the side opening seat, is provided with the explosion-proof wiring post in the anti-explosion terminal box, and adopts the whole mode that compresses; The explosion-proof wiring lid is arranged on the anti-explosion terminal box.
At first, adopt the side mode of connection so that explosion-proof pump side face is provided with independent anti-explosion terminal box and explosion-proof wiring lid, therefore meeting is so that the volume of explosion-proof type electric pump is very large; Simultaneously, the wiring terminal in the anti-explosion terminal box adopts the whole mode that compresses, and the volume of the wiring terminal after the compression own is also very large, and the space that takies is very large, so that the volume of side opening seat, anti-explosion terminal box is very large, has further aggravated the bulky defective of explosion-proof type electric pump.
Secondly, explosion-proof type sewage submersible electric pump adopts the mode of cable side outlet, and the support outer side surface is provided with anti-explosion terminal box and explosion-proof wiring lid, affects the planarization on support surface, and then affects product appearance; And anti-explosion terminal box reaches the complex structure of relevant support, also is not easy to processing.
At last, the support of present explosion-proof type electric pump all is to adopt ironcasting or 45# Cast Steel material by traditional design in the past, and corrosion-resistant can't satisfy requirement and needs such as the corrosive atmospheres such as acid, alkali in the colliery.
In sum, how to provide a kind of explosion-proof electric pump, corrosion-resistant, and the volume of realizing dwindling the explosion-proof type electric pump is those skilled in the art's problem demanding prompt solutions.
The model utility content
The purpose of this utility model is to provide a kind of explosion-proof type immersed sewage at this
MultistageElectric pump, wherein anti-explosion terminal box is arranged on above the support, reduces the purpose of the volume of explosion-proof type sewage submersible electric pump with realization.
The utility model is achieved in that the multistage electric pump of a kind of explosion-proof type immersed sewage of structure, it is characterized in that: comprise water pump part, motor part, support, cable and the inner explosion-proof wiring post that arranges, described explosion-proof wiring post is positioned at anti-explosion terminal box, wherein water pump part and motor part are connected by axle, axle is positioned at stator interior, and described explosion-proof wiring post and anti-explosion terminal box are located at the top of support; Inner cap is arranged between support and the loam cake, and is fixed on the support by bolt fastener with loam cake; Motor section is divided and is comprised rotor and stator, and stator is fixed on the support, and rotor is positioned at stator interior, band moving axis High Rotation Speed in the rotor rotation process; Water pump comprises that partly into water joint, guide vane shell, stator, impeller A, spiral case, impeller B, water outlet, impeller A and impeller B arrange on the axle.
According to the multistage electric pump of a kind of explosion-proof type immersed sewage described in the utility model, it is characterized in that: be provided with a fastening piece on the pressing plate, fastening piece closely links together pressing plate and inner cap.
According to the multistage electric pump of a kind of explosion-proof type immersed sewage described in the utility model, it is characterized in that: support adopts the stainless steel support with decay resistance, and the loam cake of described anti-explosion terminal box adopts the stainless steel upper cover of decay resistance.
According to the multistage electric pump of a kind of explosion-proof type immersed sewage described in the utility model, it is characterized in that: cable is from the edge outlet of loam cake, and the wire outlet hole place is provided with gland nut, and the top of loam cake is provided with suspension ring.
The utility model has the advantage of: the multistage electric pump of described explosion-proof type immersed sewage, compare with explosion-proof type sewage submersible electric pump of the prior art, motor section divides outlet to change to from the side the top in the utility model, and anti-explosion terminal box is changed by the side of support and has been set to above the support, replace independent anti-explosion terminal box, the explosion-proof wiring lid of existing explosion-proof type electric pump with loam cake and inner cap, thereby reduced the volume of explosion-proof electric pump.The utility model embodiment fixed form that the explosion-proof wiring post adopts many places to compress in further scheme, compare with existing explosion-proof type pump, because anti-explosion terminal box is displaced to the support top from the support side, take up room and reduce, the volume of anti-explosion terminal box itself is corresponding reducing also, further dwindled the volume of explosion-proof type electric pump.Secondly, adopt cable side outlet than existing explosion-proof type electric pump, the support side is provided with anti-explosion terminal box and explosion-proof wiring lid, the explosion-proof type electric pump that the utility model provides outlet above the cable, is provided with anti-explosion terminal box above the support, loam cake substitutes the explosion-proof wiring lid, make the support surfacing, product appearance is neat, attractive in appearance; And the stand structure of the explosion-proof type electric pump that the utility model provides is simple, is convenient to processing.In addition, the external casing that the explosion-proof type electric pump that the utility model provides contacts with surrounding liquid all adopts corrosion resistant stainless steel material, can satisfy requirement and needs such as the corrosive atmospheres such as acid, alkali in the colliery.
Description of drawings
Fig. 1 is that the utility model is implemented structural representation;
Wherein: 101, gland nut; 102, cable; 103, suspension ring; 104, loam cake; 105, explosion-proof wiring post; 106, bolt; 107, inner cap; 107a, anti-explosion terminal box; 108, support; 109, stator; 110, rotor; 111, bearing; 112, lower cover; 113, bolt; 114, water inlet joint; 115, guide vane shell; 116, bolt; 117, stator; 118, impeller A; 119, spiral case; 120, impeller B; 121, axle; 122, water outlet; 123, pressing plate; 124, fastening piece.
Embodiment
The utility model discloses a kind of anti-explosion terminal box and be arranged on multistage explosion-proof type electric pump above the support, with the purpose of the volume of realizing reducing explosion-proof type sewage submersible electric pump.
Be elaborated below in conjunction with 1 pair of the utility model of accompanying drawing, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of explosion-proof type immersed sewage multistage electric pump, comprise that water pump part, motor part, support 108, cable 102 and inside are provided with explosion-proof wiring post 105, anti-explosion terminal box 107a, wherein water pump part and motor part are connected by axle 121, axle 121 is positioned at stator 109 inside, and described explosion-proof wiring post 105, anti-explosion terminal box 107a are located at the top of support 108; Inner cap 107 is arranged between support 108 and the loam cake 104, and is fixed on the support 108 by bolt 106 fastening pieces with loam cake 104.Motor section is divided and is comprised rotor 110 and stator 109, and stator 109 is fixed on the support 108, and rotor 110 is positioned at stator 109 inside, band moving axis 121 High Rotation Speeds in rotor 110 rotation processes.Water pump comprises that partly impeller A 118 and impeller B120 arrange on the axle 121 into water joint 114, guide vane shell 115, stator 117, impeller A 118, spiral case 119, impeller B120, water outlet 122.Impeller equally rapidly rotates in axle 121 High Rotation Speed processes, and constantly sucks liquid from liquid sucting port in rotary course, and the liquid acting to sucking, and increases pressure and the kinetic energy of liquid, at last from liquid outlet output, to be transferred to predeterminated position.
Be provided with a fastening piece 124 on the pressing plate 123, fastening piece 124 closely links together pressing plate 123 and inner cap 107.
In order to enlarge the application area of above-mentioned explosion-proof type immersed sewage pump, the support 108 of the multistage electric pump of explosion-proof type immersed sewage among the utility model embodiment adopts the stainless steel support with decay resistance.In like manner, because anti-explosion terminal box is arranged on the top of support, therefore, in order to improve the anti-explosion terminal box decay resistance, the loam cake 104 of above-mentioned anti-explosion terminal box adopts the stainless steel upper cover of decay resistance.
Adopt cable side outlet than existing explosion-proof type electric pump, the support side is provided with anti-explosion terminal box and explosion-proof wiring lid, the explosion-proof type electric pump that the utility model provides outlet above the cable, is provided with anti-explosion terminal box above the support, loam cake substitutes the explosion-proof wiring lid, make the support surfacing, product appearance is neat, attractive in appearance; And the stand structure of the explosion-proof type electric pump that the utility model provides is simple, is convenient to processing.
The external casing that the explosion-proof type electric pump that the utility model provides contacts with surrounding liquid all adopts corrosion resistant stainless steel material, can satisfy requirement and needs such as the corrosive atmospheres such as acid, alkali in the colliery.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. multistage electric pump of explosion-proof type immersed sewage, it is characterized in that: comprise water pump part, motor part, support (108), cable (102) and the inner explosion-proof wiring post (105) that arranges, described explosion-proof wiring post (105) is positioned at anti-explosion terminal box (107a), wherein water pump part and motor part are connected by axle (121), axle (121) is positioned at stator (109) inside, and described explosion-proof wiring post (105) and anti-explosion terminal box (107a) are located at the top of support (108); Inner cap (107) is arranged between support (108) and the loam cake (104), and is fixed on the support (108) by bolt (106) fastening piece with loam cake (104); Motor section is divided and is comprised rotor (110) and stator (109), and stator (109) is fixed on the support (108), and rotor (110) is positioned at stator (109) inside, is with moving axis (121) High Rotation Speed in rotor (110) rotation process; Water pump partly comprises into water joint (114), guide vane shell (115), stator (117), impeller A (118), spiral case (119), impeller B(120), water outlet (122), impeller A (118) and impeller B(120) arrange on the axle (121).
2. the multistage electric pump of a kind of explosion-proof type immersed sewage according to claim 1 is characterized in that: be provided with a fastening piece (124) on the pressing plate (123), fastening piece (124) closely links together pressing plate (123) and inner cap (107).
3. the multistage electric pump of a kind of explosion-proof type immersed sewage according to claim 1 is characterized in that: support (108) adopts the stainless steel support with decay resistance, and the loam cake of described anti-explosion terminal box (104) adopts the stainless steel upper cover of decay resistance.
4. the multistage electric pump of a kind of explosion-proof type immersed sewage according to claim 1, it is characterized in that: cable (102) is from the edge outlet of loam cake (104), and the wire outlet hole place is provided with gland nut (101), and the top of loam cake (104) is provided with suspension ring (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591719 CN202883390U (en) | 2012-11-12 | 2012-11-12 | Anti-explosion multistage submersible sewage electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591719 CN202883390U (en) | 2012-11-12 | 2012-11-12 | Anti-explosion multistage submersible sewage electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883390U true CN202883390U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220591719 Expired - Fee Related CN202883390U (en) | 2012-11-12 | 2012-11-12 | Anti-explosion multistage submersible sewage electric pump |
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| CN (1) | CN202883390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017093A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江泰福泵业股份有限公司 | Submersible pump |
-
2012
- 2012-11-12 CN CN 201220591719 patent/CN202883390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017093A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江泰福泵业股份有限公司 | Submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN XINJIN QIANLI PUMP INDUSTRY CO., LTD. Free format text: FORMER NAME: SICHUAN XINJIN QIANLI WATER PUMP FACTORY (GENERAL PARTNERSHIP) |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 611430, No. 599, Section 1, pear Road, Yong business town, Xinjin County, Chengdu, Sichuan Patentee after: SICHUAN XINJIN QIANLI PUMP INDUSTRY CO., LTD. Address before: 611430, No. 599, Section 1, pear Road, Yong business town, Xinjin County, Chengdu, Sichuan Patentee before: Xinjin Sichuan potential water pump factory (general partnership) |
|
| 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: 20130417 Termination date: 20161112 |