CN202946452U - Radially split type double suction pump with core package overall dismounting structure - Google Patents
Radially split type double suction pump with core package overall dismounting structure Download PDFInfo
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- CN202946452U CN202946452U CN 201220607843 CN201220607843U CN202946452U CN 202946452 U CN202946452 U CN 202946452U CN 201220607843 CN201220607843 CN 201220607843 CN 201220607843 U CN201220607843 U CN 201220607843U CN 202946452 U CN202946452 U CN 202946452U
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- pump
- suction chamber
- pump cover
- water
- mechanical seal
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Abstract
The utility model discloses a radially split type double suction pump with a core package overall dismounting structure. The radially split type double suction pump with the core package overall dismounting structure comprises a pump body, a pump shaft, an impeller, a left mechanical seal, a right mechanical seal, bearings, a left bearing housing and a right bearing housing, and a water inlet barrel and a water outlet barrel are arranged on the pump body. The radially split type double suction pump with the core package overall dismounting structure is characterized by further comprising an inner pump cover, an outer pump cover and a fixing disc, wherein a cylindrical mounting sleeve hole is formed in the pump body in the axial direction, the mounting sleeve hole is communicated with the water inlet barrel and the water outlet barrel, an inner positioning protruding ring is arranged inside the mounting sleeve hole, the front end of the impeller on the pump shaft is connected with the inner pump over, the rear end of the impeller on the pump shaft is connected with the outer pump cover, the front end of the inner pump cover is fixedly connected with the left bearing housing, the rear end of the outer pump cover is fixedly connected with the right bearing housing, the front end of the pump body abuts against the inner positioning protruding ring through a water suction chamber in the inner pump cover and is fixedly connected with the inner positioning protruding ring through the fixing disc, and the rear end of the pump body is fixedly connected with a fixing flange on the outer pump cover. The radially split type double suction pump with the core package overall dismounting structure has the advantages of being short in maintenance time, high in equipment using performance, convenient to hoist, convenient to dismount and install at the time of installation, maintenance and overhaul, and the like.
Description
Technical field
The utility model 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, the radially subdivision double suction pump under 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 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 left Seal cage, left mechanical seal is fixedly connected with the pump housing through left sealing cover, be provided with right mechanical seal in 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 needs regularly maintenance, causes removing and installing loaded down with trivial details, during the maintenance special charges, during installation, first impeller is arranged on pump shaft, stuffing box gland is installed respectively at 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 pump shaft in the pump housing left side left mechanical seal of upper installation successively respectively, bearing and bearing support are installed right mechanical seal on the pump shaft on pump cover right side successively, bearing and bearing support, otherwise, but when needing maintenance, oppositely to dismantle from pump housing two ends respectively, the dismounting process of disassembly and assembly structure like this greatly reduces the usability of equipment, greatly reduces simultaneously installation, safeguard, the working efficiency of maintenance has extended 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 casting together, 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 purpose of this utility model 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 technological scheme that its technical problem that solves the utility model adopts 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 front portion vertically 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 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 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 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 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 pump shaft, make pump shaft form a core bag whole, in cylindrical installation trepanning with the whole insertion of the core bag pump housing, pump housing front end suction chamber after on 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 outer pump cover, when the utility model need to overhaul, the fixing bolt that only need pull down on fixed tray and 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 utility model after pump cover before suction chamber and front pump cover the 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, 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 described in the utility model is that the positioning ring by two semicircle annulars consists of, with easy disassembly.
The utility model 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 the utility model function and pump cover, can be used for lifting operation again, has saved equipment cost.
The utility model 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 utility model.
Fig. 3 is the structural representation of the interior pump cover plan view in the utility model.
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 in 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 in Fig. 9.
Figure 12 is the utility model structural representation of the plan view of pump cover at home and abroad.
Figure 13 is the sectional view of C-C in Figure 12.
Figure 14 is the left view of Figure 12.
Figure 15 is the plan view of Figure 12.
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
Below in conjunction with accompanying drawing, the utility model is further illustrated:
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 front portion vertically 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 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 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 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 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 pump shaft 2, make pump shaft 2 form a core bag whole, in cylindrical installation trepanning with the whole insertion of the core bag pump housing 1, the pump housing 1 front end suction chamber after on interior pump cover 9 is inconsistent with interior positioning convex ring 12 and be fixedly connected with through fixed tray 11, the rear end is fixedly connected with fastening flange 24 on outer pump cover 10, when the utility model need to overhaul, the fixing bolt that only need pull down on fixed tray 11 and outer pump cover 10 can be from the interior extraction core of the pump housing 1 bag, greatly improved the maintainalbility of pump group, saved the repair time, working efficiency is increased dramatically.
Fixed tray 11 described in the utility model is that the positioning ring by two semicircle annulars consists of, with easy disassembly.
The utility model can be respectively equipped with hoisting ring 29 in screw 28 upper ends at the pump housing 1 two ends, hoisting ring 29 sides are fixedly connected with the spiral shell hat of screw 28, make the utility model 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 utility model 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 outer pump cover 10 are disassembled respectively, make interior pump cover 9, outer pump cover 10 separates with the pump housing 1 respectively, get final product from the pump housing 1 rear portion extraction core bag, 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, the front suction chamber 13 of the pump housing 1 front end on interior pump cover 9 is inconsistent and fixing through fixed tray 11 with interior positioning convex ring 12, 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 utility model 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 front portion vertically 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 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 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 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 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 pump shaft, make pump shaft form a core bag whole, in cylindrical installation trepanning with the whole insertion of the core bag pump housing, pump housing front end suction chamber after on 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 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 after described interior pump cover before 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, 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 |
|---|---|---|---|
| CN 201220607843 CN202946452U (en) | 2012-11-17 | 2012-11-17 | Radially split type double suction pump with core package overall dismounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220607843 CN202946452U (en) | 2012-11-17 | 2012-11-17 | Radially split type double suction pump with core package overall dismounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946452U true CN202946452U (en) | 2013-05-22 |
Family
ID=48422158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220607843 Withdrawn - After Issue CN202946452U (en) | 2012-11-17 | 2012-11-17 | Radially split type double suction pump with core package overall dismounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927054B (en) * | 2012-11-17 | 2015-04-08 | 山东双轮股份有限公司 | Core-cladding integral disassembling and assembling type radially-split type double-section pump |
-
2012
- 2012-11-17 CN CN 201220607843 patent/CN202946452U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927054B (en) * | 2012-11-17 | 2015-04-08 | 山东双轮股份有限公司 | Core-cladding integral disassembling and assembling type radially-split type double-section pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |