CN203051156U - Hollow type outer circulation water-cooling multi-stage shield pump - Google Patents
Hollow type outer circulation water-cooling multi-stage shield pump Download PDFInfo
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- CN203051156U CN203051156U CN 201320051705 CN201320051705U CN203051156U CN 203051156 U CN203051156 U CN 203051156U CN 201320051705 CN201320051705 CN 201320051705 CN 201320051705 U CN201320051705 U CN 201320051705U CN 203051156 U CN203051156 U CN 203051156U
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Abstract
The utility model relates to a hollow type outer circulation water-cooling multi-stage shield pump and belongs to mechanical-electrical integration equipment of a low-noise water pump. The hollow type outer circulation water-cooling multi-stage shield pump is used for pressurizing and water feeding of a pipeline. The hollow type outer circulation water-cooling multi-stage shield pump is characterized in that a hollow outer closed circulation water-cooling type structure, a stainless steel argon arc welding and full-welded ultrathin structure, a whole pump direct-connection type structure and novel hydraulic model structures, such as an internal-passing type upper cover, an internal-passing type pump cover, a circular arc type middle segment and circular arc type guide vanes, are adopted by the shield pump. Ingenious combination of a water-cooling type motor and a multi-stage pump is fully utilized by the shield pump, so that the shield pump not only has the function of a shield pump, but also has the performance of high efficiency and stable operation of a multi-stage pump. In addition, the shield pump can reduce by 50% manufacturing cost, and improves by 20% working efficiency. The hollow type outer circulation water-cooling multi-stage shield pump has the advantages of being low in noise, low in vibration, compact in structure, stable, high in efficiency, economic and durable.
Description
Technical field
The utility model relates to electromechanical integration equipment, particularly the outer Xun ring of a kind of hollow type water-cooled multi-stage shield pump.
Background technique
Single-stage pump refers to have only the pump of an impeller, and the most high-lift have only 125 meters.And multistage pump refers to the pump of two or more impellers, the most high-lift can be above 125 meters.Canned motorpump (canned pump) is a kind of staor winding and rotor winding to be placed respectively in the sealing metal cylindrical shell, and pump case and drive motor shell link to each other with flange seal, has cancelled the pump of pump shaft movable sealing structure, is applicable to water delivery in pipeline system.
Existing shielding multistage pump adopts the stator inner circulation structure more, and its rotor and motor stator are the housing sealing of 0.3 ~ 0.5mm by a layer thickness respectively, are connected with recirculated cooling water between rotor and the motor stator, can reduce the noise of pump to a certain extent.But, owing to use housing to isolate and the water flowing structure, greatly reduce the effect of motor magnetic force, thus cause electricity decrease big, efficient is low.Along with the development of society, people are to each demands for higher performance of water transport pump.
In existing similar product, wherein multi-stage shield pump adopts the stator inner circulation structure, causes its structure comparatively complicated, and cost is higher, and the former thereby inefficiency of isolating because of housing is durable not good with stability yet.Ordinary water cold type multistage pump then adopts simple circulating water structure, makes its shielding and cooling bearing aspect weak effect, and working efficiency is lower.Therefore, in order to satisfy present demand, we need design a kind of brand-new pump product, when thoroughly solving shortcomings such as common multistage pump noise height, vibrations are big, and can realize the design object of lower cost, highly efficient durable, compact structure.
Summary of the invention
The purpose of this utility model provides the outer Xun ring of hollow type water-cooled multi-stage shield pump, and it adopts the water shielding of outer Xun ring, the design of no fan blade, and full welded closure formula new structure reduces cost greatly, raises the efficiency.
For overcoming the deficiencies in the prior art, realize above-mentioned purpose, the utility model is achieved in that the outer Xun ring of a kind of hollow type water-cooled multi-stage shield pump, comprises pump assembly, interior general formula pump cover assembly, electric machine assembly and pump shaft assembly; It is characterized in that: whole multistage pump is vertical structure; Pump assembly is positioned at the bottom of whole multistage pump, and interior general formula pump cover assembly is installed on the pump assembly, and electric machine assembly is installed on the interior general formula pump cover assembly; The pump shaft assembly runs through whole multistage pump from top to bottom.
Pump assembly of the present utility model is made up of base, loose flange, collar, the pump housing, left pressure plug, circular arc stage casing, circular arc stator, impeller, stainless steel outer cylinder body, final stage stator, stay-bolt, outer cylinder body upper gasket, outer cylinder body lower gasket, right pressure plug and return pipe.Interior general formula pump cover assembly is by interior general formula pump cover, machine block circle, mechanical seal ring, water retaining ring and add the water outlet valve and form.Electric machine assembly is made up of motor connecting bolt, lower seal pad, motor tube, motor winding, last sealing gasket, loam cake connecting bolt, cable gland nut, outgoing cable, exhaust port bolt, suspension ring, interior general formula loam cake, upper bearing (metal) and lower bearing.The pump shaft assembly is made up of pump shaft, key, impeller interstage sleeve, bearing housing, one-level impeller sleeve, impeller and cap, water lubriucated bearing, drain plug, bottom and bottom bolt.
Base of the present utility model is positioned at whole multistage pump bottommost, the pump housing is installed on the base, loose flange is installed in the pump housing left and right sides, collar is stuck between loose flange and the slit that the pump housing is connected, pressure plug in a left side is installed on pump housing left side, right pressure plug is installed on pump housing right side, the stainless steel outer cylinder body is installed on the pump housing, the circular arc stage casing is close to and is installed on stainless steel outer cylinder body internal layer, the circular arc stator is installed in the circular arc stage casing, impeller is installed in the circular arc stator, the final stage stator is installed between circular arc stage casing and the interior general formula pump cover, and the higher authorities of stay-bolt pass interior general formula attachment hole that pump cover is offered, its following be spun on the base, outer cylinder body upper gasket and outer cylinder body lower gasket are installed on the stainless steel outer cylinder body respectively and install up and down between the slit, and return pipe is welded on the pump housing.
The general formula pump cover is installed on the stainless steel outer cylinder body in of the present utility model, and machine block circle, mechanical seal ring and water retaining ring are installed on the pump shaft, and machine block circle and mechanical seal ring are in interior general formula pump cover inside, and water retaining ring is on interior general formula pump cover; The described water outlet valve that adds is installed on the interior general formula pump cover.
Motor tube of the present utility model is installed and connected on the interior general formula pump cover by the motor connecting bolt, the lower seal pad is installed in motor tube and the general formula pump cover joint gap, the motor winding is installed on motor tube inside, interior general formula loam cake is installed and connected on the motor tube by the loam cake connecting bolt, last sealing gasket is installed within the joint gap of interior general formula loam cake and motor tube, outgoing cable is connected with the motor winding, and by the cable gland nut compress be connected in tops institute perforate on the general formula, tops on the general formula in exhaust port bolt and suspension ring all are installed on, upper bearing (metal) and lower bearing are installed on respectively on interior general formula loam cake and the interior general formula pump cover.
Pump shaft of the present utility model is provided with a plurality of keys,, middle connects whole multistage pump from top to bottom, on connect the motor tube, connect the pump housing down; Described impeller interstage sleeve, bearing housing, one-level impeller sleeve and impeller and cap all are installed on the perforation pump housing part of pump shaft, and from top to bottom install successively; Described water lubriucated bearing is positioned at the pump housing, and drain plug is installed on the pump housing, and bottom is installed and connected in pump housing bottom by the bottom bolt
Advantage of the present utility model is: low noise, low vibrations, compact structure, stability and high efficiency, economy and durability.
Description of drawings
Fig. 1 is the multistage pump overall schematic.
Fig. 2 is each part distribution schematic diagram of multistage pump.
Fig. 3 is multistage pump bottom enlarged diagram.
Fig. 4 is multistage pump middle part enlarged diagram.
Fig. 5 is multistage pump top enlarged diagram.
Embodiment
Mode of execution below in conjunction with accompanying drawing is described in further detail the utility model:
As shown in Figure 1: the utility model is the outer Xun ring of a kind of hollow type water-cooled multi-stage shield pump, and this apparatus comprises: pump assembly 1, interior general formula pump cover assembly 2, electric machine assembly 3 and pump shaft assembly 4; Whole multistage pump is vertical structure; Pump assembly 1 is positioned at the bottom of whole multistage pump, and interior cartridge type pump cover assembly 2 is installed on the pump assembly 1, and electric machine assembly 3 is installed on the interior cartridge type pump cover assembly 2; Pump shaft assembly 4 runs through whole multistage pump from top to bottom.
General formula pump cover 21 is installed on the stainless steel outer cylinder body 19 in of the present utility model, and it adopts the inferior arc-welding hollow type of stainless steel structure, and the water in the pump housing can pass through pump cover, enters motor bearings outer ring and motor casing outside sandwich, cooling motor and bearing.Machine block circle 22, mechanical seal ring 23 and water retaining ring 24 are installed on the pump shaft 41, and machine block circle 22 and mechanical seal ring 23 are in interior general formula pump cover 21 inside, and water retaining ring 24 is on interior general formula pump cover 21; The described water outlet valve 25 that adds is installed on the interior general formula pump cover 21.
The utility model is used for the outer Xun ring of hollow type water-cooled multi-stage shield pump and is not limited to the above embodiments.Those skilled in the art make the change of unsubstantiality, all fall into protection domain of the present utility model.
Claims (9)
1. the outer Xun ring of a hollow type water-cooled multi-stage shield pump comprises pump assembly (1), interior general formula pump cover assembly (2), electric machine assembly (3) and pump shaft assembly (4); It is characterized in that: whole multistage pump is vertical structure; Described pump assembly (1) is positioned at the bottom of whole multistage pump, and interior general formula pump cover assembly (2) is installed on the pump assembly (1), and electric machine assembly (3) is installed on the interior general formula pump cover assembly (2); Described pump shaft assembly (4) runs through whole multistage pump from top to bottom.
2. the outer Xun of hollow type according to claim 1 encircles the water-cooled multi-stage shield pump, and it is characterized in that: described pump assembly (1) is made up of base (11), loose flange (12), collar (13), the pump housing (14), left pressure plug (15), circular arc stage casing (16), circular arc stator (17), impeller (18), stainless steel outer cylinder body (19), final stage stator (101), stay-bolt (102), outer cylinder body upper gasket (103), outer cylinder body lower gasket (104), right pressure plug (105) and return pipe (106).
3. the outer Xun ring of hollow type according to claim 1 water-cooled multi-stage shield pump is characterized in that: general formula pump cover assembly (2) is by interior general formula pump cover (21), machine block circle (22), mechanical seal ring (23), water retaining ring (24) with add water outlet valve (25) and form in described.
4. the outer Xun of hollow type according to claim 1 encircles the water-cooled multi-stage shield pump, it is characterized in that: described electric machine assembly (3) is made up of motor connecting bolt (31), lower seal pad (32), motor tube (33), motor winding (34), last sealing gasket (35), loam cake connecting bolt (36), cable gland nut (37), outgoing cable (38), exhaust port bolt (39), suspension ring (301), interior general formula loam cake (302), upper bearing (metal) (303) and lower bearing (304).
5. the outer Xun of hollow type according to claim 1 encircles the water-cooled multi-stage shield pump, and it is characterized in that: described pump shaft assembly (4) is made up of pump shaft (41), key (42), impeller interstage sleeve (43), bearing housing (44), one-level impeller sleeve (45), impeller and cap (46), water lubriucated bearing (47), drain plug (48), bottom (49) and bottom bolt (401).
6. the outer Xun of hollow type according to claim 2 encircles the water-cooled multi-stage shield pump, it is characterized in that: described base (11) is positioned at whole multistage pump bottommost, the pump housing (4) is installed on the base (11), loose flange (12) is installed in the pump housing (4) left and right sides, collar (13) is stuck between loose flange (12) and the slit that the pump housing (4) is connected, left side pressure plug (15) is installed on the pump housing (4) left side, right pressure plug (105) is installed on pump housing right side, stainless steel outer cylinder body (19) is installed on the pump housing (4), circular arc stage casing (16) is close to and is installed on stainless steel outer cylinder body (19) internal layer, circular arc stator (17) is installed in the circular arc stage casing (16), impeller (18) is installed in the circular arc stator (17), final stage stator (101) is installed between circular arc stage casing (16) and the interior general formula pump cover (21), the higher authorities of stay-bolt (102) pass interior general formula pump cover (21) attachment hole of offering, its following be spun on the base (11), outer cylinder body upper gasket (103) and outer cylinder body lower gasket (104) are installed on stainless steel outer cylinder body (19) respectively and install up and down between the slit, and return pipe (106) is welded on the pump housing (4).
7. the outer Xun of hollow type according to claim 3 encircles the water-cooled multi-stage shield pump, it is characterized in that: general formula pump cover (21) is installed on the stainless steel outer cylinder body (19) in described, machine block circle (22), mechanical seal ring (23) and water retaining ring (24) are installed on the pump shaft (41), machine block circle (22) and mechanical seal ring (23) are in interior general formula pump cover (21) inside, and water retaining ring (24) is on interior general formula pump cover (21); The described water outlet valve (25) that adds is installed on the interior general formula pump cover (21).
8. the outer Xun of hollow type according to claim 4 encircles the water-cooled multi-stage shield pump, it is characterized in that: described motor tube (33) is installed and connected on the interior general formula pump cover (21) by motor connecting bolt (31), lower seal pad (32) is installed in motor tube (33) and general formula pump cover (21) joint gap, motor winding (34) is installed on motor tube (33) inside, interior general formula loam cake (302) is installed and connected on the motor tube (33) by loam cake connecting bolt (36), last sealing gasket (35) is installed within the joint gap of interior general formula loam cake (302) and motor tube (33), outgoing cable (38) is connected with motor winding (34), and by cable gland nut (37) compress be connected in general formula loam cake (302) top institute perforate, exhaust port bolt (39) and suspension ring (301) all are installed on interior general formula loam cake (302) top, and upper bearing (metal) (303) and lower bearing (304) are installed on respectively on interior general formula loam cake (302) and the interior general formula pump cover (21).
9. the outer Xun ring of hollow type according to claim 5 water-cooled multi-stage shield pump, it is characterized in that: described pump shaft (41) is provided with a plurality of keys (42),, middlely connects whole multistage pump from top to bottom, on connect motor tube (33), connect the pump housing (4) down; Described impeller interstage sleeve (43), bearing housing (44), one-level impeller sleeve (45) and impeller and cap (46) all are installed on the perforation pump housing part of pump shaft (41), and from top to bottom install successively; Described water lubriucated bearing (47) is positioned at the pump housing (4), and drain plug (48) is installed on the pump housing (4), and bottom (49) is installed and connected in the pump housing (4) bottom by bottom bolt (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051705 CN203051156U (en) | 2013-01-30 | 2013-01-30 | Hollow type outer circulation water-cooling multi-stage shield pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051705 CN203051156U (en) | 2013-01-30 | 2013-01-30 | Hollow type outer circulation water-cooling multi-stage shield pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051156U true CN203051156U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051705 Expired - Lifetime CN203051156U (en) | 2013-01-30 | 2013-01-30 | Hollow type outer circulation water-cooling multi-stage shield pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051156U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485025A (en) * | 2015-12-30 | 2016-04-13 | 新开利（上海）水务有限公司 | Water-cooling energy-saving silent pump |
| CN107524612A (en) * | 2017-09-20 | 2017-12-29 | 浙江澳滨泵业有限公司 | Diving canned motor pump |
| CN108730195A (en) * | 2018-06-07 | 2018-11-02 | 浙江华泰电子有限公司 | Wind-force generating converter Special punching welds multi-stage shield pump |
| CN112555161A (en) * | 2020-12-03 | 2021-03-26 | 浦川流体设备(无锡)有限公司 | Self-suction type vertical centrifugal pump with long service life |
| KR102530324B1 (en) * | 2022-11-29 | 2023-05-09 | 주식회사 두크펌프판매 | Vertical multi-stage pump comprising lower bearing for supporting shaft |
-
2013
- 2013-01-30 CN CN 201320051705 patent/CN203051156U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485025A (en) * | 2015-12-30 | 2016-04-13 | 新开利（上海）水务有限公司 | Water-cooling energy-saving silent pump |
| CN107524612A (en) * | 2017-09-20 | 2017-12-29 | 浙江澳滨泵业有限公司 | Diving canned motor pump |
| CN108730195A (en) * | 2018-06-07 | 2018-11-02 | 浙江华泰电子有限公司 | Wind-force generating converter Special punching welds multi-stage shield pump |
| CN108730195B (en) * | 2018-06-07 | 2024-06-04 | 浙江华泰电子有限公司 | Special impact welding multistage shielding pump for wind power generation converter |
| CN112555161A (en) * | 2020-12-03 | 2021-03-26 | 浦川流体设备(无锡)有限公司 | Self-suction type vertical centrifugal pump with long service life |
| CN112555161B (en) * | 2020-12-03 | 2021-11-09 | 浦川流体设备(无锡)有限公司 | Self-suction type vertical centrifugal pump with long service life |
| KR102530324B1 (en) * | 2022-11-29 | 2023-05-09 | 주식회사 두크펌프판매 | Vertical multi-stage pump comprising lower bearing for supporting shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |