CN203532346U - Vertical long shaft sea water pump - Google Patents
Vertical long shaft sea water pump Download PDFInfo
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- CN203532346U CN203532346U CN201320625563.0U CN201320625563U CN203532346U CN 203532346 U CN203532346 U CN 203532346U CN 201320625563 U CN201320625563 U CN 201320625563U CN 203532346 U CN203532346 U CN 203532346U
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Abstract
The utility model discloses a vertical long shaft sea water pump. The vertical long shaft sea water pump comprises a drawing-out part and a fixed part. The drawing-out part comprises an impeller, an impeller chamber, a guide vane body, a pump shaft connected with a motor shaft, a sleeve coupling and an internal pipe. The fixed part comprises a suction cone, an external pipe and a discharge bend. A pump discharge water outlet is communicated with a pump set lubricating water inlet through a main pipeline, the main pipeline is communicated with external water through an external water pipeline to conduct self-lubricating backwashing on the sea water pump, and the pump shaft is connected with the motor shaft through a diaphragm coupling. The vertical long shaft sea water pump is simple in structure, low in weight, convenient to maintain and repair, high in pump operation efficiency, reliable in operation, long in service life, and capable of being widely applied to the fields of petroleum and petrochemicals, ocean platforms, power plants, steelworks, drainage projects and the like.
Description
Technical field
The utility model relates to sea water pump field, is specially a kind of vertical long sea water pump.
Background technique
Along with development and the demand of electric power plant circulating water to seawater of petroleum and petrochemical industry, the application of vertical long sea water pump is more and more extensive.
The material that vertical long sea water pump is equipped with is in the market multifarious, as Minvar, Martensitic Stain Less Steel, Austenitic Stainless Steel etc., the diffuser of sea water pump adopts and has cast, as shown in Figure 8, diffuser 4 comprises inner core 17 and urceolus 20, is arranged on the suction flange 19 of urceolus 20 feed-water ends, the guide bearing body 14 of inner core 17 feed-water ends is set, the waterexit end that is arranged on urceolus 20 and inner core 17 is equipped with flange, Wei Fang Bian Cheongju sand, at inner core 17 feed-water end Kai You Cheongju sand holes 24; This diffuser, when casting, easily produces pore and crackle, and drum surface is of poor quality, and the wall thickness of inner core 17 and urceolus 20 is at least 25mm, raw materials consumption amount is large on the one hand, has increased on the other hand the overall weight of pump, weigh 4 tons, can not meet lightweight requirements.
Existing vertical long sea water pump is formed by connecting by one section or several sections of axles conventionally, after installation, in order to guarantee running clearance and the runner centering of vertical pump, need to adjust.The method adopting at present a lot of situations is: in the process of rotor part is installed, by accessory size, reserved certain running clearance, though this way is feasible, but the position skew causing due to the machining error of accessory size and the accumulated size error of a plurality of parts, so that reserved running clearance changes, the regulating power of this way is poor, tends to cause part do over again or scrap.
Current vertical long shaft pump coupling is mainly selected rubbercushioned sleeve bearing coupling, star-like coupling etc., is used for buffering vibration and compensating axial displacement.Yet, due to the impact of the distortion after foozle, alignment error, carrying and temperature variation, between prime mover and pump, also have certain radially and angular displacement.The coupling such as rubbercushioned sleeve bearing coupling, star-like coupling is because compensating radially and angular displacement in this case, and the normal operation that may produce influence of vibration pump; And the coupling such as rubbercushioned sleeve bearing coupling, star-like coupling major part has relatively large flange arrangement, make coupling quality, volume relatively large, to installing, produce certain difficulty, and may produce the generation of larger amount of unbalance aggravation vibration.In addition, there is non-refractory, corrosion and the easy defect such as aging in these parts for buffering vibration of elastic ring, elastomer block.
When selflubricating, there is following drawback in existing vertical long sea water pump:
1. water intaking form is in the majority with external lubricated water, causes precious freshwater resources waste, has run counter to country and during " 12 ", has delivered the call of energy-saving and emission-reduction.
2. adopt the filter of selflubricating form in the majority with y-type filter, y-type filter ubiquity pollutant holding capability is little, be subject to that dirt stops up, cleaning is complicated and can affect the defects such as pump group work in cleaning process.
3. the backwash mode of existing filter is the backwash of external source press water, need whole process that clean external source press water is provided, cause the wasting of resources, and if external source press water go wrong (as unstable in the water yield, water source is contaminated etc.), filter backwash can lose efficacy, and produces potential safety hazard.
Model utility content
For vertical long sea water pump above shortcomings, the utility model aims to provide a kind of vertical long sea water pump, and this sea water pump operational efficiency is high, reliable, long service life.
To achieve these goals, the technological scheme that the utility model adopts is:
A vertical long sea water pump, comprises and can extract part and standing part out; Described can extraction unit divide comprise impeller, blade wheel chamber, diffuser, with pump shaft, box coupling, inner connecting tube that motor shaft is connected, described standing part comprises suction cone, externally connected pipe, bend pipe spues; Wherein, pump spues and by a main line, is communicated with between the lubricated water water intake of the mouth of a river and pump group, and this main line is communicated with outer water receiving by an external water pipe road; Its structural feature is on described main line, to be connected with two backwash pipelines; The first gate valve, booster water pump, the second gate valve, 2/2-way valve, pressure transmitter and flow switch are housed on described main line in turn, wherein between booster water pump and the first gate valve, by three main line arms in parallel, be connected, in three main line arms, on a main line arm, differential pressure switch is housed, on another two main line arms, filter is housed, at water intake and the water outlet of each filter, two-position three-way valve is all housed; 2/2-way valve is housed on described external pipeline; One end of a backwash pipeline in described two backwash pipelines is connected with drain pipe, and the other end is connected with the two-position three-way valve near the first gate valve; One end of another root backwash pipeline is communicated with the main line between booster water pump and the first gate valve, and the other end is connected with the two-position three-way valve near booster water pump; Described pump shaft and motor shaft are connected by diaphragm coupling.
Thus, during the utility model selflubricating, from pump group discharge opening, take from body seawater and do lubricated water source, suspended matter and the laminated filter that impurity rejection effect is good, dismounting is easy to maintenance, overall plastic material has the advantages such as outstanding resist chemical, the backwash mode of filter is endogenous backwash: after water source filters by filter, clean water after lubricated water pump supercharging, supercharging is most of for the lubricated water of pump group again, and fraction serves as backwash water source.
Be below the technological scheme of further improvement of the utility model:
Described 2/2-way valve and two-position three-way valve are solenoid valve; Described filter is laminated filter.
For fear of parts such as seawater corrosion inner connecting tube and externally connected pipe, improve the whole service life of sea water pump, described suction cone, blade wheel chamber, impeller, the bend pipe that spues, inner connecting tube, externally connected pipe, inner core, urceolus are made by two phase stainless steel.
Described diffuser comprises inner core and urceolus; The feed-water end of described urceolus is provided with suction flange, and the feed-water end of described inner core is provided with guide bearing body; Between the feed-water end of described inner core and described guide bearing body, by connecting plate, be connected.
Thus, the main body of diffuser adopts machining to form, Kai She Cheongju sand hole not on described connecting plate, and also Bu Xu is Yaoed Cheongju sand, avoids the problem of Cheongju sand difficulty.Pump diffuser of the present utility model adopts the two phase stainless steel cast welding mode that combines, and to diffuser, has the part of complex profile to adopt precision casting, and rule part adopts plate forming, then forms integral body by welded joint.
By cast welding, in conjunction with manufacturing diffuser, the wall thickness that can guarantee described inner core is 12mm ~ 16mm; The wall thickness on described urceolus top is 12mm ~ 16mm; Between the feed-water end of described inner core and connecting plate, by annular melon platform, be fixedly linked; In order to increase join strength, between described inner core and guide bearing body, be connected with gusset; The surface roughness of the inwall on the outer wall of described inner core and urceolus top is no more than Ra12.5, can greatly reduce the circulating resistance of diffuser runner, raises the efficiency.
Described pump shaft exposes on shaft part and is set with lifting member, and the inwall of described lifting member and the outer wall thread of described pump shaft are connected; Described lifting member outer wall is provided with the structure of being convenient to rotary lifting part; The lower end surface of described lifting member contacts with the upper-end surface of pump coupling, has after rotor lifting puts in place and by fastening piece, lifting member is fastened on to the attachment hole on pump coupling in this lifting member.
For the ease of adopting Hook wrench rotary lifting part, described lifting member outer wall is provided with draw-in groove; Described lifting member is fixed on described pump coupling by the Cock screw through attachment hole.
Thus, lifting member by with being threaded on pump shaft, thereby adopting Hook wrench to rotate lifting member drives pump shaft up to move, the most important running part-impeller of vertical pump is fixed on pump shaft, by lifting member, promote rotor part and regulate the axial clearance between impeller and pump housing fixed component, after promoting, lifting device is locked on pump shaft by Cock screw.
Further, described diaphragm coupling comprises motor shaft coupling and pump shaft coupling; Between described motor shaft coupling and pump shaft coupling, be provided with jack shaft, between this jack shaft and described motor shaft coupling and pump shaft coupling, be provided with diaphragm unit, and by fastening piece, jack shaft and motor shaft coupling, jack shaft and pump shaft coupling be fixed together.Thus, the utility model adopts the conventional flexible couplings of pump such as diaphragm coupling elasticity of substitution cover pin coupler, star-like coupling, connects prime mover and pump.Diaphragm coupling of the present utility model is similar to spring column pin cover coupling iso-deflection coupling to the mode of vertical long shaft pump at connection prime mover; Wherein motor shaft coupling and motor shaft are taked interference fit, and by key transmission, pump shaft coupling and pump shaft adopt Spielpassung, and by key transmission.During installation, first fill half-coupling, rear dress diaphragm unit and jack shaft.
For compensate better between prime mover and pump axially, radially and angular displacement, described diaphragm unit adopts the high temperature resistant corrosion resistant sheet pack of multi-disc collection to form.
Described pump shaft and pump shaft coupling are Spielpassung; Described motor shaft and motor shaft coupling are interference fit.
Compared with prior art, the beneficial effects of the utility model are:
1, the manufacturing deficiency rate of diffuser of the present utility model is far below cast inblock part, adopt traditional casting technique, easily produce pore, crackle, particularly to large special steel casting, more easily produce waste product, adopt now novel cast welding technique to guarantee the first-time qualification rate of part;
2, cast inblock is not easy to sand removal, and for massive casting diffuser, the core cavity degree of depth is large, and sand removal difficulty has not thoroughly become a major issue with sand removal, and mould need arrange sand cleaning hole (as shown in Figure 2) specially for this reason.Employing is welded into the problem that does not have sand removal.
3, the utility model can effectively reduce pts wt, reduces cost of parts; By part is carried out to split type processing, improved water passage surface quality, improved pump efficiency, reduced energy consumption.Take accompanying drawing as example, adopt traditional casting technique, the weight of part is 4 tons, the technique that adopts cast welding to combine, and pts wt is 2.7 tons, adds the weight of cast inblock cutting-off gate and runner, casting is the more than 2 times of welding with material.
4, adopt welding procedure to process separately Split type welding parts surface, water passage surface roughness can reach Ra12.5, adopt the cast inblock water passage surface quality casting accuracy that places one's entire reliance upon, and the non-machined surface roughness of general foundry goods is Ra50, by the product test of two kinds of techniques is shown, the product efficiency of welding forming is high.
5. by lifting member, having solved vertical pump can be by installing the problem of carrying out rotor part lifting and runner centering on base layer after all having assembled.And by threaded adjusting facilitate and lifting capacity precision high; Lifting device is arranged on mounting layer basis, easy to operate; Employing special spanner is adjusted, and adjusts and becomes easily simple.
6, the utility model utilizes self water backwash, saves external water resources, and backwash water, by lubricated water pump supercharging, has good backwash effect; Employing laminated filter filters, and pollutant holding capability is large, difficult to be stopped up, and manually unpicks and washes conveniently;
7, the utility model water source of booster water pump of flowing through, is the clean water after filtering, and is beneficial to the long-term stability operation of booster water pump; Through the lubricated water of the filtration of booster water pump, due to increasing of pressure, can stop that medium seawater is reverse to be entered and pollute guide bearing, thereby guarantee the clean of guide bearing, extend the working life of guide bearing, and then make sea water pump long-time running stable;
8, the utility model backwash mode is controlled the switch of solenoid valve by differential pressure switch, two set filters successively carry out backwash process (first group of complete carrying out after normal filtration work of backwash automatically, second group is just carried out backwash process), have all the time a set filter that the backwash for lubricated and another set filter of sea water pump of enough clean water is provided, automaticity is high and safe and reliable.
9, diaphragm coupling volume of the present utility model is little, quality is light, and has good vibration absorption ability, can compensate between prime mover and pump axially, radially and angular displacement, absorbing, vibration isolation, to bear the ability of misaligning strong; Diaphragm coupling is compared with the rubbercushioned sleeve bearing coupling of same shelves or star-like coupling quality is light, volume is little, installation, use, easy maintenance, and the additional load acting on connection device is little; Middle diaphragm adopts the folded collection of several pieces Stainless Sheet Steels to form, and can be applicable to high temperature, corrosion occasion.
In a word, the utility model is simple in structure, and Maintenance and Repair are convenient, and the way is high, reliable, and long service life can be widely used in the fields such as petroleum and petrochemical industry, ocean platform, power plant, Iron And Steel Plant and drainage works.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model structure principle chart;
Fig. 2 is the utility model normal filtration state logic figure.
The system logic figure of the first set filter backwash working state when Fig. 3 is the utility model selflubricating.
The system logic figure of the second set filter backwash working state when Fig. 4 is the utility model selflubricating.
Fig. 5 is the structural representation of diaphragm coupling described in the utility model;
Fig. 6 is the longitudinal sectional view of diffuser described in the utility model;
Fig. 7 is the fundamental diagram of lifting member described in the utility model;
Fig. 8 is the longitudinal sectional view of existing diffuser.
In the drawings
1-suction cone; 2-blade wheel chamber; 3-impeller; 4-diffuser; 5-pump shaft;
6-bearing bracket; 7-box coupling; 8-externally connected pipe; The 9-bend pipe that spues; 10-inner connecting tube;
11-dunnage; 12-outer cylinder body flange; On 13-outer cylinder body; 14-inner barrel flange; 15-gusset;
On 16-inner barrel; 17-inner barrel; 18-blade; 19-suction flange; 20-outer cylinder body;
21. melon platforms; 22. connecting plates; 23. guide bearing bodies; 24-Cheongju sand hole; 31-the first gate valve;
32-two-bit triplet solenoid valve; 33-laminated filter; 34-differential pressure switch;
35-booster water pump; 36-2/2-way solenoid valve; 37-2/2-way solenoid valve; 38-pressure transmitter;
39-flow switch; 40-main line; 41-backwash pipeline; 42-external water pipe road;
43-the 3rd gate valve; 44-the second gate valve; 50-elastomer block; 51-motor shaft;
52-motor shaft coupling; 53-diaphragm coupling; 54-pump shaft coupling; 55-bolt; 56-jack shaft;
57-diaphragm unit; 60-locking nut; 61-lifting member; 62-bolt; 63-draw-in groove.
Embodiment
A vertical sea water pump, as shown in Figure 1, comprises and can extract part and standing part out; What wherein suction cone 1, externally connected pipe 8, spue bend pipe 9 and dunnage 11 had formed vertical long sea water pump can not take out part, and impeller 3, blade wheel chamber 2, diffuser 4, pump shaft 5, box coupling 7, inner connecting tube 10 and bearing bracket 6 have formed the loosed core part of vertical long sea water pump.Can extract the conical surface supporting structure that partly adopts suction cone out.The end thrust of sea water pump can also be born and can be born by motor by water pump, and sea water pump and motor direct connection adopt diaphragm coupling 53, and sea water pump flow passage components all adopt two phase stainless steel.
As shown in Figure 2, the pump of vertical sea water pump spues and by a main line 40, is communicated with between the lubricated water water intake of the mouth of a river and pump group, and this main line 40 is communicated with outer water receiving by an external water pipe road 42; It is characterized in that, on described main line 40, be connected with two backwash pipelines 41; The first gate valve 31, booster water pump 35, the second gate valve 45,2/2-way valve 36, pressure transmitter 38 and flow switch 39 are housed on described main line 40 in turn, wherein between booster water pump 35 and the first gate valve 31, by three main line arms in parallel, be connected, in three main line arms, on a main line arm, differential pressure switch 34 is housed, on another two main line arms, filter 33 is housed, at water intake and the water outlet of each filter 33, two-position three-way valve 32 is all housed; On described external pipeline 42,2/2-way valve 37 is housed; One end of a backwash pipeline 41 in described two backwash pipelines 41 is connected with drain pipe, and the other end is connected with the two-position three-way valve 32 near the first gate valve 31; One end of another root backwash pipeline 41 is communicated with the main line 40 between booster water pump 35 and the first gate valve 45, and the other end is connected with the two-position three-way valve 32 near booster water pump 35.
As Fig. 3, shown in 4, the working procedure that sea water pump of the present utility model carries out selflubricating is as follows:
1, before pump group starts, open the 2/2-way solenoid valve on external water pipe road, close the 2/2-way solenoid valve on main line, now external water pipe road provides pump group to lubricate water lubricating pilot bearings, to guarantee the clean boot of pump;
2, after pump group starts and reaches operating point and operate steadily to pump, close the 2/2-way solenoid valve on external water pipe road, open the 2/2-way solenoid valve on main line, open booster water pump, now discharge opening press water enters main line, provides pump group to lubricate water;
3, from the diversion of pump group discharge opening, 2 gate valves are in opening state, four groups of two-bit triplet solenoid valve open and-shut modes before and after two groups of laminated filters as shown in Figure 2, pump group self water imports respectively two groups of laminated filters in parallel, clean water after filtration flows to booster water pump again, is transported to pump group and needs water lubrication and cooling parts after booster water pump supercharging;
4, during device normal filtration, pressure transmitter, flow switch, differential pressure switch are monitored in real time to the hydraulic parameters in pipeline, and with long-range output alarm function, urgency linkage is shut down;
5, the water inlet and outlet pressure reduction before and after filter reaches setting value---when excessively being stopped up the hydraulic pressure making after filtration, laminated filter is low to moderate certain value, by the backwash mode of automatic opening filter.Work-based logic is as Fig. 3 and Fig. 4: former and later two two-bit triplet solenoid valves of first laminated filter will cut out in mode as shown in Figure 3, be that backwash pipeline and first group of laminated filter are connected, clean water after supercharging is guided filter element of lamination type filter into by backwash pipeline, and the sewage rinsing out is discharged by drain pipe again; When first group of laminated filter of backwash, another group laminated filter in working order in, water source there will not be cutout, can guarantee the completing of normal lubricated and cooling and first group of laminated filter work of backwash of sea water pump; After first laminated filter backwash is clean, first group of former and later two two-bit triplet filter of laminated filter as shown in Figure 4 mode open and close, carry out normal filtration work, then former and later two two-bit triplet solenoid valves of second laminated filter as shown in Figure 4 mode open and close, be that backwash pipeline and second group of laminated filter are connected, clean water after supercharging is guided filter element of lamination type filter into by backwash pipeline, and its backwash process is identical with first group of laminated filter; After second laminated filter backwash is clean, recover as the normal filtration state of Fig. 2.
As shown in Figure 5, diaphragm coupling described in the utility model comprises motor shaft coupling 52 and pump shaft coupling 54; Between described motor shaft coupling 52 and pump shaft coupling 54, be provided with jack shaft 56, between this jack shaft 56 and described motor shaft coupling 52 and pump shaft coupling 54, be provided with diaphragm unit 57, and by bolt 55, jack shaft 56 and motor shaft coupling 52, jack shaft 56 be fixed together with pump shaft coupling 54; Described diaphragm unit 57 adopts the folded collection of multi-disc corrosion resistant plates to form, and can certainly be other high temperature resistant corrosion resistant thin plate, as 301,304 etc.
As shown in Figure 6, diffuser described in the utility model comprises inner core 16 and the urceolus 20 of making by two phase stainless steel; The feed-water end of described urceolus 20 is provided with suction flange 19, and the feed-water end of described inner core 16 is provided with guide bearing body 23, between this inner core 16 and guide bearing body 23, is connected with gusset; Between the feed-water end of described inner core 16 and described guide bearing body 23, by annular melon platform 21, be connected with connecting plate 22; The wall thickness of described inner core 16 is 14mm; The wall thickness on described urceolus 20 tops is 14mm.The surface roughness of the inwall on the outer wall of described inner core 16 and urceolus 20 tops is no more than Ra12.5.
As shown in Figure 7, described pump shaft 5 exposes on shaft part and is set with lifting member 61, and the outer wall thread of the inwall of described lifting member 61 and described pump shaft 5 is connected; Described lifting member 61 outer walls are provided with the structure of being convenient to rotary lifting part 61; The lower end surface of described lifting member 61 contacts with the upper-end surface of pump coupling 54, has after rotor lifting puts in place, by fastening piece 1, lifting member 61 is fastened on to the attachment hole on pump coupling 54 in this lifting member 61.Described lifting member 61 outer walls are provided with draw-in groove 63; Described lifting member 61 is fixed on described pump coupling 54 by the Cock screw through attachment hole.After pump integral body has been assembled, with Hook wrench, inserting draw-in groove 63 screws in lifting member 61 to design attitude, lifting member 61, by screwing to desired location with male thread, is bolted by motor coupler 52, locking nut 60, pump coupling 54 object reaching pump shaft 5 Integral liftings.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Claims (10)
1. a vertical long sea water pump, comprises and can extract part and standing part out; Described can extraction unit divide comprise impeller (3), blade wheel chamber (2), diffuser (4), with pump shaft (5), box coupling (7), inner connecting tube (10) that motor shaft (51) is connected, described standing part comprises suction cone (1), externally connected pipe (8), the bend pipe that spues (9); Wherein, pump spues and by a main line (40), is communicated with between the lubricated water water intake of the mouth of a river and pump group, and this main line (40) passes through an external water pipe road (42) and is communicated with outer water receiving; It is characterized in that, on described main line (40), be connected with two backwash pipelines (41); The first gate valve (31), booster water pump (35), the second gate valve (45), 2/2-way valve (36), pressure transmitter (38) and flow switch (39) are housed on described main line (40) in turn, wherein between booster water pump (35) and the first gate valve (31), by three main line arms in parallel, be connected, in three main line arms, differential pressure switch (34) is housed on a main line arm, on another two main line arms, filter (33) is housed, at water intake and the water outlet of each filter (33), two-position three-way valve (32) is all housed; 2/2-way valve (37) is housed on described external pipeline (42); One end of a backwash pipeline (41) in described two backwash pipelines (41) is connected with drain pipe, and the other end is connected with the two-position three-way valve (32) near the first gate valve (31); One end of another root backwash pipeline (41) is communicated with the main line (40) being positioned between booster water pump (35) and the first gate valve (45), and the other end is connected with the two-position three-way valve (32) near booster water pump (35); Described pump shaft (5) is connected by diaphragm coupling (53) with motor shaft (51).
2. vertical long sea water pump according to claim 1, is characterized in that, described 2/2-way valve (36,37) and two-position three-way valve (32) are solenoid valve; Described filter (33) is laminated filter.
3. vertical long sea water pump according to claim 1, it is characterized in that, described suction cone (1), blade wheel chamber (2), impeller (3), the bend pipe that spues (9), inner connecting tube (10), externally connected pipe (8), inner core (16), urceolus (20) are made by two phase stainless steel.
4. vertical long sea water pump according to claim 1, is characterized in that, described diffuser (4) comprises inner core (16) and urceolus (20); The feed-water end of described urceolus (20) is provided with suction flange (19), and the feed-water end of described inner core (16) is provided with guide bearing body (23); Between the feed-water end of described inner core (16) and described guide bearing body (23), by connecting plate (22), be connected.
5. vertical long sea water pump according to claim 4, is characterized in that, the wall thickness of described inner core (16) is 12mm ~ 16mm; The wall thickness on described urceolus (20) top is 12mm ~ 16mm; Between the feed-water end of described inner core (16) and connecting plate (22), by annular melon platform (21), be fixedly linked; Between described inner core (16) and guide bearing body (23), be connected with gusset; The surface roughness of the inwall on the outer wall of described inner core (16) and urceolus (20) top is no more than Ra12.5.
6. vertical long sea water pump according to claim 1, is characterized in that, described pump shaft (5) exposes on shaft part and is set with lifting member (61), and the outer wall thread of the inwall of described lifting member (61) and described pump shaft (5) is connected; Described lifting member (61) outer wall is provided with the structure of being convenient to rotary lifting part (61); The lower end surface of described lifting member (61) contacts with the upper-end surface of pump coupling (54), has after rotor lifting puts in place, by fastening piece (1), lifting member (61) is fastened on to the attachment hole on pump coupling (54) in this lifting member (61).
7. vertical long sea water pump according to claim 6, is characterized in that, described lifting member (61) outer wall is provided with draw-in groove (63); Described lifting member (61) is fixed on described pump coupling (54) by the Cock screw through attachment hole.
8. vertical long sea water pump according to claim 1, is characterized in that, described diaphragm coupling (53) comprises motor shaft coupling (52) and pump shaft coupling (54); Between described motor shaft coupling (52) and pump shaft coupling (54), be provided with jack shaft (56), between this jack shaft (56) and described motor shaft coupling (52) and pump shaft coupling (54), be provided with diaphragm unit (57), and by fastening piece, jack shaft (56) and motor shaft coupling (52), jack shaft (56) be fixed together with pump shaft coupling (54).
9. vertical long sea water pump according to claim 1, is characterized in that, described diaphragm unit (57) adopts the high temperature resistant corrosion resistant sheet pack of multi-disc collection to form.
10. vertical long sea water pump according to claim 1, is characterized in that, described pump shaft (53) is Spielpassung with pump shaft coupling (54); Described motor shaft (51) is interference fit with motor shaft coupling (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625563.0U CN203532346U (en) | 2013-10-11 | 2013-10-11 | Vertical long shaft sea water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625563.0U CN203532346U (en) | 2013-10-11 | 2013-10-11 | Vertical long shaft sea water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532346U true CN203532346U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320625563.0U Withdrawn - After Issue CN203532346U (en) | 2013-10-11 | 2013-10-11 | Vertical long shaft sea water pump |
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| CN (1) | CN203532346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498809A (en) * | 2013-10-11 | 2014-01-08 | 湖南耐普泵业有限公司 | Vertical type long shaft sea water pump |
-
2013
- 2013-10-11 CN CN201320625563.0U patent/CN203532346U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498809A (en) * | 2013-10-11 | 2014-01-08 | 湖南耐普泵业有限公司 | Vertical type long shaft sea water pump |
| CN103498809B (en) * | 2013-10-11 | 2016-06-29 | 湖南耐普泵业股份有限公司 | Vertical type long shaft sea water pump |
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