CN203822689U - Vertical shaft guide vane type mixed flow pump - Google Patents
Vertical shaft guide vane type mixed flow pump Download PDFInfo
- Publication number
- CN203822689U CN203822689U CN201420188652.8U CN201420188652U CN203822689U CN 203822689 U CN203822689 U CN 203822689U CN 201420188652 U CN201420188652 U CN 201420188652U CN 203822689 U CN203822689 U CN 203822689U
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- China
- Prior art keywords
- pump
- bearing
- mixed flow
- stuffing box
- guide vane
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Abstract
The utility model provides a vertical shaft guide vane type mixed flow pump which does not require frequent replacement of lubricating medium between a stuffing box and a rubber bearing, is convenient to maintain, is better in pump shaft wearing resistance, and is high in equipment overall stability. The vertical shaft guide vane type mixed flow pump comprises a first coupler (1), a transmission component (2), a base (3), the stuffing box (4), the rubber bearing (5), a liquid outlet pipe (6), a pump shaft (7), a second coupler (8), an intermediate bearing (9), a guide vane body (10), a lower end bearing (11), an impeller (12) and a liquid inlet (13), wherein a lubricating cavity is arranged between the stuffing box (4) and the rubber bearing (5). The vertical shaft guide vane type mixed flow pump is characterized in that a water inlet short pipe (14) communicated with the exterior of the pump body is connected with the inside of the lubricating cavity (16), and is used for guiding fresh water into the lubricating cavity (16) before the startup of the mixed flow pump; stainless steel sleeves (15) are embedded into the connection part of the intermediate bearing (9) and the pump shaft (7) as well as the connection part of lower end bearing (11) and the pump shaft (7).
Description
Technical field
The utility model relates to a kind of mixed flow pump, specifically refers to a kind of vertical shaft guide vane mixed flow pump.
Background technique
Mixed flow pump is a kind of pump between centrifugal pump and axial-flow pump.The specific speed of mixed flow pump is higher than centrifugal pump, lower than axial-flow pump, generally between 300-500.Its lift is higher than axial-flow pump, but flow-rate ratio axial-flow pump is little, larger than centrifugal pump.When after the rotation of prime mover impeller, the existing centrifugal force of the effect of liquid is had again to end thrust, be the comprehensive of centrifugal pump and axial-flow pump, the oblique outflow impeller of liquid.Therefore it is a kind of pump between centrifugal pump and axial-flow pump.Have centrifugal pump and axial-flow pump advantage concurrently, simple in structure, efficient district is wide, easy to use.In prior art, mixed flow pump is divided into two kinds of snail formula and guide-vanes, in prior art, guide vane mixed flow pump has the following disadvantages in the time that reality is used: 1, in sealing configuration between the chamber at the base of vertical shaft guide vane mixed flow pump of the prior art and Discharging bent-tube place, Seal cage between its stuffing box and rubber bush bearing is airtight, can only seal by inject lubricant oil in chamber, this structure in use, because lubricant oil is easy to loss, so just need to take the pump housing apart every a period of time, the Seal cage of opening between stuffing box and rubber bush bearing will refill new lubricant oil after original lubricant oil removing, safeguard quite inconvenient.And if user do not regularly replace lubricant oil, sealing was just easily lost efficacy, thereby the water in the pump housing will enter into base, and whole machine can not normally be moved, and has reduced the stability of whole machine.2, between the pump shaft of vertical shaft guide vane mixed flow pump of the prior art and intermediate bearing and bottom end bearing, be all directly to contact, lack effective protection structure, the working life of serious wear pump shaft and bearing is all not high.In sum, vertical shaft guide vane mixed flow pump of the prior art exists the lubricant medium between stuffing box and rubber bush bearing to need frequent replacing, safeguards inconvenience, serious wear between pump shaft and bearing, the deficiency of Whole Equipment poor stability.
Model utility content
The technical problems to be solved in the utility model is, provides lubricant medium between a kind of stuffing box and rubber bush bearing without frequent replacing, and easy to maintenance, pump shaft wear resistance is better, the vertical shaft guide vane mixed flow pump that Whole Equipment stability is high.
For solving the problems of the technologies described above, the technological scheme that the utility model provides is: a kind of vertical shaft guide vane mixed flow pump, and it comprises the first coupling, transmission part, base, stuffing box, rubber bush bearing, drain pipe, pump shaft, the second coupling, intermediate bearing, diffuser, bottom end bearing, impeller and liquid entering hole; The upper end of the first coupling is connected with power source, and lower end is connected with pump shaft by transmission part, and pump shaft is from the top down successively through stuffing box, rubber bush bearing, drain pipe, intermediate bearing, diffuser, bottom end bearing and impeller; Stuffing box is positioned at base, between described stuffing box and rubber bush bearing, is provided with lubricating cavity; In described lubricating cavity, be connected with the water inlet short tube leading to outside the pump housing, described water inlet short tube for introducing clear water in lubricating cavity before mixed flow pump work; The joint of described intermediate bearing and bottom end bearing and pump shaft all studs with stainless steel sleeve, for strengthening the wear resistance of pump shaft.
Adopt after said structure, the utlity model has following advantage: between described stuffing box and rubber bush bearing, be provided with lubricating cavity, in described lubricating cavity, be connected with the water inlet short tube leading to outside the pump housing, described water inlet short tube for introducing clear water in lubricating cavity before mixed flow pump work, the utility model is creationary has substituted oil lubrication mode of the prior art with water lubrication, original airtight lubricating cavity is received outside the pump housing by water inlet short tube, user only needs when mixed flow pump first pressure at the water source of 2 kilograms of left and right as the tap water of family expenses using, receive and can ensure moment water abrim in lubricating cavity into water short tube place, water can play good lubrication, when each use simultaneously, be all the new lubricated water of access, user does not need regularly to take apart more oil change of the pump housing, safeguard convenient, also can not cause packing seal to be worn because of forgetting more oil change declines stabilization of equipment performance.Described intermediate bearing and the joint of bottom end bearing and pump shaft all stud with stainless steel sleeve in addition, for strengthening the wear resistance of pump shaft.Pump shaft, in the time rotating, is that pump shaft can not be worn by rubbing between stainless steel sleeve and bearing, and therefore mixed flow pump is after long-term use, and user only need to change stainless steel sleeve and corresponding bearing, and without changing pump shaft, maintenance cost is lower.And the wear resistance of stainless steel sleeve and do corrosivity all will be higher than pump shaft, so this structure has improved stability and the working life of whole mixed flow pump.In sum, the utility model provides lubricant medium between a kind of stuffing box and rubber bush bearing without frequent replacing, and easy to maintenance, pump shaft wear resistance is better, the vertical shaft guide vane mixed flow pump that Whole Equipment stability is high.
As improvement, the sealing in described stuffing box adopts labyrinth seal structure.Labyrinth seal structure has the design of more simplifying and better sealability than sealing configurations such as mechanical seals.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model neutral axis guide vane mixed flow pump.
As shown in the figure: 1, the first coupling, 2, transmission part, 3, base, 4, stuffing box, 5, rubber bush bearing, 6, drain pipe, 7, pump shaft, 8, the second coupling, 9, intermediate bearing, 10, diffuser, 11, bottom end bearing, 12, impeller, 13, liquid entering hole, 14, water inlet short tube, 15, stainless steel sleeve, 16, lubricating cavity.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
By reference to the accompanying drawings 1, a kind of vertical shaft guide vane mixed flow pump, it comprises the first coupling 1, transmission part 2, base 3, stuffing box 4, rubber bush bearing 5, drain pipe 6, pump shaft 7, the second coupling 8, intermediate bearing 9, diffuser 10, bottom end bearing 11, impeller 12 and liquid entering hole 13; The upper end of the first coupling 1 is connected with power source, and lower end is connected with pump shaft 7 by transmission part 2, and pump shaft 7 is from the top down successively through stuffing box 4, rubber bush bearing 5, drain pipe 6, intermediate bearing 9, diffuser 10, bottom end bearing 11 and impeller 12; Stuffing box 4 is positioned at base 3, between described stuffing box 4 and rubber bush bearing 5, is provided with lubricating cavity 16; In described lubricating cavity 16, be connected with the water inlet short tube 14 leading to outside the pump housing, described water inlet short tube 14 for introducing clear water in lubricating cavity 16, for lubricating cavity 16 provides water lubrication before mixed flow pump work; Described intermediate bearing 9 and bottom end bearing 11 all stud with stainless steel sleeve 15 with the joint of pump shaft 7, for strengthening the wear resistance of pump shaft 7.Sealing in described stuffing box 4 adopts labyrinth seal structure.Described liquid entering hole 13 is positioned at the below of impeller, its structure is the horn mouth outwards opening, described transmission part 2, drain pipe 6, diffuser 10 etc. and innovative point of the present utility model do not have structure and the position relationship of parts of direct connection relational identical with mixed flow pump of the prior art, in the utility model patent, describe in detail no longer one by one.
The vertical shaft guide vane mixed flow pump that the utility model relates to, by the possibility of blade adjustments, is divided into fixed, half regulating type.Fixed blade and wheel hub cast solid, blade angle can not change; Half regulating type in the time that needs change operating mode, unclamp nut, split out locating stud, rotor blade, makes the reference line of blade aim at the angle line of a certain requirement on hub body, then installs locating stud, fastening nut, thereby reach the object of adjusting.While pumping factory, if no special instructions, blades installation angle is zero degree, and user can as required, by pump work performance table, adjust voluntarily.Mixed flow pump intake pipe generally adopts water-inlet horn, and magna pump also can be with elbow or bell water inlet flow channel, casts and is furnished with import basic part with concrete.Impeller is mainly made up of blade, impeller boss, the first-class part of movable vane in tunable pump, and impeller boss is used for installing blade, and is connected with pump shaft with key.Look from coupling end mansion, pump is clockwise direction rotation.Drive part adopts vertical type motor direct-drive.Motor is installed on motor cabinet, and transmission shaft upper end is connected with motor by elastic coupling flexible coupling, and lower end is connected with pump with rigid coupling.When pump running, all axial force is born by the end thrust device in transmission device, and the axial displacement of pump rotor can borrow the nut in transmission device to be adjusted.The weight of pump casing is born by pump foundation, and the weight of axial force, transmission device and the motor of pump is born by the flooring basis of supporting transmission device.Propeller shaft length must be used in " L " of profile installation diagram defined dimensional range.The pump that matched power is larger adopts vertical sync motor, and axial hydraulic thrust is born by the thrust shaft of motor, pump by rigid coupling by motor direct-drive.Drain pipe generally adopts straighttube-type drain pipe, and its end is equipped with fluid valve, for easy accessibility, telescopic pipe is housed between outlet conduit.Described mixed flow pump can be for farm irrigation facility irrigation and drainage, also can be used for industrial and mineral dock lifting water level, urban water supply and sewerage, power station circulating water pump etc., and using scope is very extensive.Being particularly suitable for SEA LEVEL VARIATION occasion large and that lift is had relatively high expectations uses.Fed sheet of a media is other liquid that clear water or physicochemical properties are similar to water, and the maximum temperature of being inhaled liquor charging body is 50 DEG C.
Above the utility model and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (2)
1. a vertical shaft guide vane mixed flow pump, it comprises the first coupling (1), transmission part (2), base (3), stuffing box (4), rubber bush bearing (5), drain pipe (6), pump shaft (7), the second coupling (8), intermediate bearing (9), diffuser (10), bottom end bearing (11), impeller (12) and liquid entering hole (13); The upper end of the first coupling (1) is connected with power source, lower end is connected with pump shaft (7) by transmission part (2), and pump shaft (7) is from the top down successively through stuffing box (4), rubber bush bearing (5), drain pipe (6), intermediate bearing (9), diffuser (10), bottom end bearing (11) and impeller (12); Stuffing box (4) is positioned at base (3), between described stuffing box (4) and rubber bush bearing (5), is provided with lubricating cavity (16); It is characterized in that: in described lubricating cavity (16), be connected with the water inlet short tube (14) leading to outside the pump housing, described water inlet short tube (14) for introducing clear water in lubricating cavity (16) before mixed flow pump work; Described intermediate bearing (9) and bottom end bearing (11) all stud with stainless steel sleeve (15) with the joint of pump shaft (7), for strengthening the wear resistance of pump shaft (7).
2. vertical shaft guide vane mixed flow pump according to claim 1, is characterized in that: the sealing in described stuffing box (4) adopts labyrinth seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188652.8U CN203822689U (en) | 2014-04-18 | 2014-04-18 | Vertical shaft guide vane type mixed flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188652.8U CN203822689U (en) | 2014-04-18 | 2014-04-18 | Vertical shaft guide vane type mixed flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822689U true CN203822689U (en) | 2014-09-10 |
Family
ID=51478198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188652.8U Expired - Fee Related CN203822689U (en) | 2014-04-18 | 2014-04-18 | Vertical shaft guide vane type mixed flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822689U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613001A (en) * | 2015-01-07 | 2015-05-13 | 江苏大学 | Ecologically-friendly type axial flow pump structure for fishes to pass through |
| CN104948495A (en) * | 2015-07-07 | 2015-09-30 | 蓝深集团股份有限公司 | Diving shaft mixed flow pump with sliding bearing |
| CN105805020A (en) * | 2016-03-07 | 2016-07-27 | 湖南湘电长沙水泵有限公司 | Circulating water pump |
| CN108692126A (en) * | 2018-04-13 | 2018-10-23 | 江苏大学 | A kind of mixed-flow pipeline heater based on electromagnetic induction |
-
2014
- 2014-04-18 CN CN201420188652.8U patent/CN203822689U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613001A (en) * | 2015-01-07 | 2015-05-13 | 江苏大学 | Ecologically-friendly type axial flow pump structure for fishes to pass through |
| CN104948495A (en) * | 2015-07-07 | 2015-09-30 | 蓝深集团股份有限公司 | Diving shaft mixed flow pump with sliding bearing |
| CN105805020A (en) * | 2016-03-07 | 2016-07-27 | 湖南湘电长沙水泵有限公司 | Circulating water pump |
| CN105805020B (en) * | 2016-03-07 | 2018-04-10 | 湖南湘电长沙水泵有限公司 | Water circulating pump |
| CN108692126A (en) * | 2018-04-13 | 2018-10-23 | 江苏大学 | A kind of mixed-flow pipeline heater based on electromagnetic induction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |