CN102927054A - Core-cladding integral disassembling and assembling type radially-split type double-section pump - Google Patents
Core-cladding integral disassembling and assembling type radially-split type double-section pump Download PDFInfo
- Publication number
- CN102927054A CN102927054A CN 201210463404 CN201210463404A CN102927054A CN 102927054 A CN102927054 A CN 102927054A CN 201210463404 CN201210463404 CN 201210463404 CN 201210463404 A CN201210463404 A CN 201210463404A CN 102927054 A CN102927054 A CN 102927054A
- Authority
- CN
- China
- Prior art keywords
- pump
- water
- pump cover
- suction chamber
- mechanical seal
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a radially-split type double-section pump with a core-cladding integral disassembling and assembling structure. The radially-split type double-section pump comprises a pump body, a pump shaft, an impeller, a left mechanical seal, a right mechanical seal, a bearing, a left bearing body and a right bearing body; and a water inlet barrel and a water outlet barrel are arranged on the pump body. The radially-split type double-section pump is characterized by being provided with an internal pump cover, an external pump cover and a fixing plate, wherein the pump body is axially provided with a cylindrical mounting sleeve hole which is communicated with the water inlet barrel and the water outlet barrel respectively; an internal positioning bulge loop is arranged in the mounting sleeve hole at the left end of the pump body; the front end of an impeller on the pump shaft is connected with an internal pump cover, and the rear end of the impeller is connected with an external pump cover; the front end of an internal pump cover is fixedly connected with a left bearing body on the pump shaft by a positioning flange; the rear end of an external pump cover is fixedly connected with a right supporting body on the pump shaft, so that the pump shaft forms an integral core cladding; the core cladding is integrally inserted into the cylindrical mounting sleeve hole of the pump body; the front end of the pump body props against an internal positioning ring through a water sucking chamber on the internal pump cover and is fixedly connected with the internal positioning ring by the fixing plate; and the rear end of the pump body is fixedly connected with the fixing flange on the external pump cover. The radially-split type double-section pump has the advantages of being short in maintenance time, high in usage performance of equipment, convenient to lift and mount, and convenient for mounting and dismounting in maintaining and overhauling.
Description
Technical field
The present invention relates to the double suction pump technical field, specifically a kind of radially split type double suction pump of core bag integral disassembly, assembly structure.
Background technique
As everyone knows, radially subdivision double suction pump under the high temperature and high pressure condition is by the pump housing, pump shaft, impeller, pump cover, bearing, the left bearing body, the right bearing body, left mechanical seal, right mechanical seal forms, the pump housing is provided with flooding tube and water output cylinder, pump housing side is fixedly connected with pump cover, make between the pump housing and the pump cover and form suction chamber, suction chamber is connected with flooding tube and water output cylinder respectively, the pump housing and pump cover string are on pump shaft, in order to guarantee the sealing of suction chamber, usually be provided with left Seal cage at the center of the pump housing, be provided with right Seal cage at the center of pump cover, be provided with left mechanical seal in the left Seal cage, left mechanical seal is fixedly connected with the pump housing through left sealing cover, be provided with right mechanical seal in the right Seal cage, right mechanical seal is fixedly connected with pump cover through right sealing cover, the pump shaft left end is fixedly connected with the left bearing body through bearing, right-hand member is fixedly connected with the right bearing body through bearing, the left bearing body is fixedly connected with the pump housing, the right bearing body is fixedly connected with pump cover, its deficiency is: the one: because existing middle-opening pump mainly is applicable to the waterworks, irrigate, drainage pumping plant, the power station, industrial water supply system, air-conditioning system, fire-fighting system, shipping industry, also can be used for petroleum refining industry, the impact of Environmental Conditions causes pump structure complicated, and need regularly maintenance, cause removing and installing loaded down with trivial details, during the maintenance special charges, during installation, first impeller is installed on the pump shaft, stuffing box gland is installed respectively at the impeller two ends again, pump shaft is penetrated in the pump housing, be inserted in pump cover at the pump shaft right-hand member, pump cover is fixed on the pump housing, then the respectively successively left mechanical seal of upper installation of the pump shaft in pump housing left side, bearing and bearing support, right mechanical seal is installed on the pump shaft on pump cover right side successively, bearing and bearing support, otherwise, but when needing maintenance, then oppositely dismantle from pump housing two ends respectively, the such dismounting process of disassembly and assembly structure, greatly reduce the usability of equipment, greatly reduce simultaneously installation, safeguard, the working efficiency of maintenance has prolonged maintenance time; The 2nd, in order to lift by crane conveniently, some producers are two ends fixing hanger respectively above pump cover, when normally casting pump cover with hanger together casting, some producers use rope the pump housing has been pulled its lifting, the former deficiency is: increased the casting cost, profile is not attractive in appearance, and the latter's deficiency is: easily the outward appearance of pump caused damage.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of modern design is provided, satisfies applying working condition, high working efficiency, maintenance time is short, the equipment usability is high, the lifting convenient, install, safeguard, the radially split type double suction pump of the core bag integral disassembly, assembly structure of easy accessibility during maintenance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of radially split type double suction pump of core bag integral disassembly, assembly structure, comprise the pump housing, pump shaft, impeller, left mechanical seal, right mechanical seal, bearing, left bearing body and right bearing body, the pump housing is provided with flooding tube and water output cylinder, it is characterized in that being provided with interior pump cover, outer pump cover and fixed tray, described interior pump cover center vertically front portion is provided with left mechanical seal mounting hole, the rear portion is provided with the pump shaft mounting hole, the mechanical seal mounting hole is connected with the pump shaft mounting hole, interior pump cover outer wall front end is provided with locating flange, the rear end is provided with rear suction chamber, rear suction chamber is cylindric, and the diameter of rear suction chamber is greater than the diameter of locating flange, be provided with water-inlet cavity in the rear suction chamber, rear suction chamber sidewall is provided with the water inlet, rear suction chamber ear end face is circumferentially with osculum, rear suction chamber front-end face is stepped, be beneficial to location sealing, the water inlet of rear suction chamber and osculum are connected with water-inlet cavity respectively, be provided with the current stabilization blade in the water-inlet cavity of rear suction chamber, the water inlet of rear suction chamber is corresponding with the flooding tube of the pump housing, osculum is corresponding with the water intake of impeller, described outer pump cover center front is provided with the pump shaft mounting hole vertically, the rear portion is provided with right mechanical seal mounting hole vertically, the pump shaft mounting hole is connected with right mechanical seal mounting hole, outer pump cover rear end is provided with fastening flange, outer pump cover front portion is provided with front suction chamber, be provided with water-inlet cavity in the front suction chamber, outer side wall is provided with the water inlet, front-end face is provided with annular water outlet, the water inlet of front suction chamber is connected with the flooding tube of the pump housing, the water outlet of front suction chamber is corresponding with impeller intake, be provided with the current stabilization blade in the water-inlet cavity of front suction chamber, the described pump housing is provided with cylindrical installation trepanning vertically, trepanning is installed to be connected with flooding tube and water output cylinder respectively, be provided with interior positioning convex ring in the installation trepanning of pump housing left end, impeller front end on the pump shaft is connected with interior pump cover, the rear end is connected with outer pump cover, be provided with left mechanical seal in the left mechanical seal mounting hole of interior pump cover, interior pump cover front end is fixedly connected with left bearing body on the pump shaft through locating flange, be provided with right mechanical seal in the right mechanical seal mounting hole of outer pump cover, outer pump cover rear end is fixedly connected with right bearing body on the pump shaft, make pump shaft form a core bag whole, in the cylindrical installation trepanning with the whole insertion of the core bag pump housing, pump housing front end suction chamber after on the interior pump cover is inconsistent with interior positioning convex ring and be fixedly connected with through fixed tray, the rear end is fixedly connected with fastening flange on the outer pump cover, when the present invention need to overhaul, the fixing bolt that only need pull down on fixed tray and the outer pump cover can be extracted the core bag out in the pump housing, greatly improved the maintainalbility of pump group, saved the repair time, working efficiency is increased dramatically.
In described in the present invention behind the pump cover before suction chamber and the front pump cover current stabilization blade in the water-inlet cavity of suction chamber respectively by facing blade directly and the arc shaped surface blade forms, face blade directly consistent with water (flow) direction, and be positioned at the opposite side of water intake and water intake, be provided with the arc shaped surface blade along mirror image between the both sides, water-inlet cavity center of water (flow) direction, arc shaped surface blade ecto-entad correspondence is drawn close gradually, to reach the effect of water conservancy diversion and current stabilization.
Fixed tray of the present invention is that the positioning ring by two semicircle annulars consists of, with easy disassembly.
The present invention can be respectively equipped with hoisting ring in the screw upper end at pump housing two ends, and the hoisting ring side is fixedly connected with the spiral shell hat of screw, makes the fastening pump housing of function of the present invention and pump cover, can be used for lifting operation again, has saved equipment cost.
The present invention is owing to adopting said structure, the assembling of a plurality of component of former need and pump case is reduced to the assembling of core bag and the pump housing, greatly improved the maintainalbility of pump group, had modern design, satisfy applying working condition, high working efficiency, maintenance time is short, the equipment usability is high, the lifting convenient, install, safeguard, the advantage such as easy accessibility during maintenance.
Description of drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structural representation of the interior pump cover plan view among the present invention.
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the left view of Fig. 3.
Fig. 6 is the right elevation of Fig. 3.
Fig. 7 is the sectional view of A-A among Fig. 3.
Fig. 8 is the structural representation of the plan view of the pump housing.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the plan view of Fig. 8.
Figure 11 is the sectional view of B-B among Fig. 9.
Figure 12 is the structural representation of the plan view of the present invention China and foreign countries pump cover.
Figure 13 is the sectional view of C-C among Figure 12.
Figure 14 is the left view of Figure 12.
Figure 15 is the plan view of Figure 11.
Reference character: the pump housing 1, pump shaft 2, impeller 3, left mechanical seal 4, right mechanical seal 5, bearing 6, left bearing body 7, right bearing body 8, interior pump cover 9, outer pump cover 10, fixed tray 11, locating flange 12, rear suction chamber 13, water-inlet cavity 14, water inlet 15, current stabilization blade 16, osculum 17, flooding tube 18, water output cylinder 19, front suction chamber 20, water-inlet cavity 21, water inlet 22, water outlet 23, fastening flange 24, current stabilization blade 25, face blade 26 directly, arc shaped surface blade 27, screw 28, hoisting ring 29.
Embodiment
The present invention is further described below in conjunction with accompanying drawing:
As shown in drawings, a kind of radially split type double suction pump of core bag integral disassembly, assembly structure, comprise the pump housing 1, pump shaft 2, impeller 3, left mechanical seal 4, right mechanical seal 5, bearing 6, left bearing body 7 and right bearing body 8, the pump housing 1 is provided with flooding tube 18 and water output cylinder 19, it is characterized in that being provided with interior pump cover 9, outer pump cover 10 and fixed tray 11, described interior pump cover 9 centers vertically front portion are provided with left mechanical seal mounting hole, the rear portion is provided with the pump shaft mounting hole, the mechanical seal mounting hole is connected with the pump shaft mounting hole, interior pump cover 9 is to be made of a plurality of stepped shaft cylindrical bodys, interior pump cover 9 outer wall front ends are provided with locating flange 12, the rear end is provided with rear suction chamber 13, rear suction chamber 13 is cylindric, and the diameter of rear suction chamber 13 is greater than the diameter of locating flange 12, be provided with water-inlet cavity 14 in the rear suction chamber 13, rear suction chamber 13 sidewalls are provided with water inlet 15, rear suction chamber 13 ear end faces are circumferentially with osculum 17, rear suction chamber 13 front-end faces are stepped, be beneficial to location sealing, the water inlet 15 of rear suction chamber 13 and osculum are connected with water-inlet cavity 14 respectively, be provided with current stabilization blade 16 in the water-inlet cavity 14 of rear suction chamber 13, the water inlet 15 of rear suction chamber 13 is corresponding with the flooding tube 18 of the pump housing 1, osculum 17 is corresponding with the water intake of impeller 3, described outer pump cover 10 center front are provided with the pump shaft mounting hole vertically, the rear portion is provided with right mechanical seal mounting hole vertically, the pump shaft mounting hole is connected with right mechanical seal mounting hole, outer pump cover 10 rear ends are provided with fastening flange 12, outer pump cover 10 front portions are provided with front suction chamber 20, be provided with water-inlet cavity 21 in the front suction chamber 20, outer side wall is provided with water inlet 22, front-end face is provided with annular water outlet 23, the water inlet 22 of front suction chamber 20 is connected with the flooding tube 18 of the pump housing 1, the water outlet 23 of front suction chamber 20 is corresponding with impeller 3 water intakes, be provided with current stabilization blade 25 in the water-inlet cavity 21 of front suction chamber 13, the described pump housing 1 is provided with cylindrical installation trepanning vertically, trepanning is installed to be connected with flooding tube 18 and water output cylinder 19 respectively, be provided with interior positioning convex ring 12 in the installation trepanning of the pump housing 1 left end, impeller 3 front ends on the pump shaft 2 are connected with interior pump cover 9, the rear end is connected with outer pump cover 10, be provided with left mechanical seal 4 in the left mechanical seal mounting hole of interior pump cover 9, interior pump cover 9 front ends are fixedly connected with left bearing body 7 on the pump shaft 2 through locating flange 12, be provided with right mechanical seal 5 in the right mechanical seal mounting hole of outer pump cover 10, outer pump cover 10 rear ends are fixedly connected with right bearing body 8 on the pump shaft 2, make pump shaft 2 form a core bag whole, in the cylindrical installation trepanning with the whole insertion of the core bag pump housing 1, the pump housing 1 front end suction chamber and interior positioning convex ring 12 after on the interior pump cover 9 is inconsistent and be fixedly connected with through fixed tray 11, the rear end is fixedly connected with fastening flange 24 on the outer pump cover 10, when the present invention need to overhaul, the fixing bolt that only need pull down on fixed tray 11 and the outer pump cover 10 can be from the pump housing 1 interior extraction core bag, greatly improved the maintainalbility of pump group, saved the repair time, working efficiency is increased dramatically.
Fixed tray 11 of the present invention is that the positioning ring by two semicircle annulars consists of, with easy disassembly.
The present invention can be respectively equipped with hoisting ring 29 in screw 28 upper ends at the pump housing 1 two ends, and the spiral shell hat of hoisting ring 29 sides and screw 28 is fixedly connected with, make the present invention can the fastening pump housing 1, interior pump cover 9 and outer pump cover 10, can be used for lifting operation again, saved equipment cost.
The present invention is when maintenance, only need the tight fixed bolt on the fixed tray 11 of the pump housing 1 front end and the clamping bolt on the outer pump cover 10 are disassembled respectively, interior pump cover 9, outer pump cover 10 are separated with the pump housing 1 respectively, extracting the core bag out from the pump housing 1 rear portion gets final product, so greatly improved the maintainalbility of pump group, overhaul complete, again in the cylindrical installation trepanning with the whole insertion of the core bag pump housing 1, front suction chamber 13 and the interior positioning convex ring 12 of the pump housing 1 front end on interior pump cover 9 is inconsistent and fixing through fixed tray 11, and the fastening flange of rear end on tight fixed bolt and outer pump cover 10 is fixing to be got final product.
When lifting, suspension hook is hooked hoisting ring 29, make lifting operation reach the effect of smooth running.
The present invention is owing to adopting said structure, the assembling of a plurality of component of former need and pump case is reduced to the assembling of core bag and the pump housing, greatly improved the maintainalbility of pump group, had modern design, satisfy applying working condition, high working efficiency, maintenance time is short, the equipment usability is high, the lifting convenient, install, safeguard, the advantage such as easy accessibility during maintenance.
Claims (4)
1. the radially split type double suction pump of a core bag integral disassembly, assembly structure, comprise the pump housing, pump shaft, impeller, left mechanical seal, right mechanical seal, bearing, left bearing body and right bearing body, the pump housing is provided with flooding tube and water output cylinder, it is characterized in that being provided with interior pump cover, outer pump cover and fixed tray, described interior pump cover center vertically front portion is provided with left mechanical seal mounting hole, the rear portion is provided with the pump shaft mounting hole, the mechanical seal mounting hole is connected with the pump shaft mounting hole, interior pump cover outer wall front end is provided with locating flange, the rear end is provided with rear suction chamber, rear suction chamber is cylindric, and the diameter of rear suction chamber is greater than the diameter of locating flange, be provided with water-inlet cavity in the rear suction chamber, rear suction chamber sidewall is provided with the water inlet, rear suction chamber ear end face is circumferentially with osculum, rear suction chamber front-end face is stepped, the water inlet of rear suction chamber and osculum are connected with water-inlet cavity respectively, be provided with the current stabilization blade in the water-inlet cavity of rear suction chamber, the water inlet of rear suction chamber is corresponding with the flooding tube of the pump housing, osculum is corresponding with the water intake of impeller, described outer pump cover center front is provided with the pump shaft mounting hole vertically, the rear portion is provided with right mechanical seal mounting hole vertically, the pump shaft mounting hole is connected with right mechanical seal mounting hole, outer pump cover rear end is provided with fastening flange, outer pump cover front portion is provided with front suction chamber, be provided with water-inlet cavity in the front suction chamber, outer side wall is provided with the water inlet, front-end face is provided with annular water outlet, the water inlet of front suction chamber is connected with the flooding tube of the pump housing, the water outlet of front suction chamber is corresponding with impeller intake, be provided with the current stabilization blade in the water-inlet cavity of front suction chamber, the described pump housing is provided with cylindrical installation trepanning vertically, trepanning is installed to be connected with flooding tube and water output cylinder respectively, be provided with interior positioning convex ring in the installation trepanning of pump housing left end, impeller front end on the pump shaft is connected with interior pump cover, the rear end is connected with outer pump cover, be provided with left mechanical seal in the left mechanical seal mounting hole of interior pump cover, interior pump cover front end is fixedly connected with left bearing body on the pump shaft through locating flange, be provided with right mechanical seal in the right mechanical seal mounting hole of outer pump cover, outer pump cover rear end is fixedly connected with right bearing body on the pump shaft, make pump shaft form a core bag whole, in the cylindrical installation trepanning with the whole insertion of the core bag pump housing, pump housing front end suction chamber after on the interior pump cover is inconsistent with interior positioning convex ring and be fixedly connected with through fixed tray, and the rear end is fixedly connected with fastening flange on the outer pump cover.
2. the radially split type double suction pump of a kind of core bag integral disassembly, assembly structure according to claim 1, it is characterized in that behind the described interior pump cover before the suction chamber and front pump cover that the current stabilization blade in the water-inlet cavity of suction chamber is respectively by facing blade directly and the arc shaped surface blade forms, face blade directly consistent with water (flow) direction, and be positioned at the opposite side of water intake and water intake, be provided with the arc shaped surface blade along mirror image between the both sides, water-inlet cavity center of water (flow) direction, arc shaped surface blade ecto-entad correspondence is drawn close gradually.
3. the radially split type double suction pump of a kind of core bag integral disassembly, assembly structure according to claim 1 is characterized in that described fixed tray is that positioning ring by two semicircle annulars combines.
4. the radially split type double suction pump of a kind of core bag integral disassembly, assembly structure according to claim 1 is characterized in that the screw upper end at pump housing two ends is respectively equipped with hoisting ring, and the hoisting ring side is fixedly connected with the spiral shell hat of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463404.5A CN102927054B (en) | 2012-11-17 | 2012-11-17 | Core-cladding integral disassembling and assembling type radially-split type double-section pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463404.5A CN102927054B (en) | 2012-11-17 | 2012-11-17 | Core-cladding integral disassembling and assembling type radially-split type double-section pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927054A true CN102927054A (en) | 2013-02-13 |
| CN102927054B CN102927054B (en) | 2015-04-08 |
Family
ID=47641949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210463404.5A Active CN102927054B (en) | 2012-11-17 | 2012-11-17 | Core-cladding integral disassembling and assembling type radially-split type double-section pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927054B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468657A (en) * | 2018-04-09 | 2018-08-31 | 捷达消防科技（苏州）股份有限公司 | The fire-fighting pump configuration of used in fire-fighting |
| CN114233686A (en) * | 2022-02-10 | 2022-03-25 | 浙江水泵总厂有限公司 | Water pump cooling structure and cooling system with same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563124A (en) * | 1984-02-24 | 1986-01-07 | Figgie International Inc. | Double suction, single stage volute pump |
| CN201351612Y (en) * | 2009-02-10 | 2009-11-25 | 张宝华 | Single-stage double-sucking centrifugal liquid pump |
| CN201546968U (en) * | 2009-10-11 | 2010-08-11 | 浙江飞旋泵业有限公司 | Singe-stage double-suction centrifugal pump |
| CN202048026U (en) * | 2011-05-14 | 2011-11-23 | 锦州重型水泵有限公司 | Energy-saving self-absorption vertical double-suction pump |
| CN202326265U (en) * | 2011-11-13 | 2012-07-11 | 湖南天一奥星泵业有限公司 | Single-stage double-suction middle-opening centrifugal pump |
| CN202946452U (en) * | 2012-11-17 | 2013-05-22 | 山东双轮股份有限公司 | Radially split type double suction pump with core package overall dismounting structure |
-
2012
- 2012-11-17 CN CN201210463404.5A patent/CN102927054B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468657A (en) * | 2018-04-09 | 2018-08-31 | 捷达消防科技（苏州）股份有限公司 | The fire-fighting pump configuration of used in fire-fighting |
| CN114233686A (en) * | 2022-02-10 | 2022-03-25 | 浙江水泵总厂有限公司 | Water pump cooling structure and cooling system with same |
| WO2023151109A1 (en) * | 2022-02-10 | 2023-08-17 | 浙江水泵总厂有限公司 | Cooling structure of water pump, and cooling system provided with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102927054B (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927054B (en) | Core-cladding integral disassembling and assembling type radially-split type double-section pump | |
| CN202441611U (en) | Shielded pipe booster pump | |
| CN202946452U (en) | Radially split type double suction pump with core package overall dismounting structure | |
| CN204851664U (en) | High -efficient non -maintaining two -way removable general purpose centrifugal pump of modularized design | |
| CN204061286U (en) | A kind of axial-flow pump energy-saving water tank | |
| CN105422463A (en) | Condensate pump for large thermal power plant | |
| CN203214403U (en) | Multistage radially-split petrochemical process pump | |
| CN102374188A (en) | Centrifugal pump | |
| CN213016991U (en) | Deep well pump | |
| CN203500044U (en) | Segmented high-lift multistage submersible sand discharging pump | |
| CN203161553U (en) | Vertical long-shaft seawater pump with withdrawable core | |
| CN204082641U (en) | A kind of cartridge mechanical seal just tear pipeline mounted pump open | |
| CN202017631U (en) | Condensate pump | |
| CN205446159U (en) | High -efficient double suction centrifugal pump structure | |
| CN103062108B (en) | The packing ring of single stage single suction volute pump | |
| CN218509799U (en) | Water pump convenient to dismantle | |
| CN212717191U (en) | Coupling type horizontal installation submersible axial flow pump | |
| CN202914368U (en) | Pump body seal ring of axially split pump convenient for disassembling | |
| CN204532852U (en) | A kind of High Temperature High Pressure Vertical Heat water pump | |
| CN211900988U (en) | Cantilever type centrifugal pump | |
| CN205423181U (en) | Vertical oblique flow pump | |
| CN205036578U (en) | Direct connected water ring type vacuum pump | |
| CN202266493U (en) | Packing ring of single stage single suction centrifugal pump | |
| CN2628769Y (en) | Flat type axial centrifugal pump | |
| CN202266440U (en) | Centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jiabin Inventor after: Wu Xinshan Inventor before: Wu Xinshan Inventor before: Wang Jiabin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU XINSHAN WANG JIABIN TO: WANG JIABIN WU XINSHAN |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jiabin Inventor after: Wu Xinshan Inventor after: Meng Fanyu Inventor before: Wang Jiabin Inventor before: Wu Xinshan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG JIABIN WU XINSHAN TO: WANG JIABIN WU XINSHAN MENG FANYU |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |