CN209294059U - A kind of efficient double-suction centrifugal pump - Google Patents

A kind of efficient double-suction centrifugal pump Download PDF

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Publication number
CN209294059U
CN209294059U CN201822187250.7U CN201822187250U CN209294059U CN 209294059 U CN209294059 U CN 209294059U CN 201822187250 U CN201822187250 U CN 201822187250U CN 209294059 U CN209294059 U CN 209294059U
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China
Prior art keywords
blade
transmission shaft
double
driver blade
suction centrifugal
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CN201822187250.7U
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Chinese (zh)
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郭梦青
贾凤红
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Nanjing Tonglai Environmental Protection Technology Co Ltd
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Nanjing Tonglai Environmental Protection Technology Co Ltd
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Abstract

The utility model relates to double-suction centrifugal pump pump technical fields, specially a kind of efficient double-suction centrifugal pump, including double entry pump main body, the medium position of double entry pump main body is provided with blade, axis is transmitted in the middle part of blade to run through, one end of transmission shaft extends to the outside of double entry pump main body, and the end of transmission shaft is connect with motor, movable sleeve is connected to transmission shaft in the cylinder bore of middle part of blade integrally connected, the equally distributed driver blade of one line of several groups is provided on the surface of transmission shaft in cylinder, driver blade is located in the fan-shaped plate sliding slot opened up on the inner wall of cylinder, rectangular-shape detent slot is offered in one planar inner wall of sliding slot, pressure apparatus and spring are provided in the inner cavity of detent slot, the utility model is by by the connection type for being directly connected to mode and becoming several spring buffers between blade and transmission shaft, avoid blade and transmission Transmission really up to the mark can shorten the service life of double suction centrifugal pump between axis.

Description

A kind of efficient double-suction centrifugal pump
Technical field
The utility model relates to double-suction centrifugal pump pump technical field, specially a kind of efficient double-suction centrifugal pump.
Background technique
Double suction centrifugal pump is similar to other liquid of water for conveying clear water or physicochemical properties, according to user demand, leads to Cross change pump configuration and material can be used for conveying more sand waters or all kinds of corrosive liquids, the series pump be suitable for factory, mine, Urban water supply and sewerage, power station, farmland discharging-irrigating and various hydraulic engineerings.
It will use double suction centrifugal pump in the work of boiler in the prior art, and the frequency used is very high, for high-frequency Starting double-suction centrifugal pump pump work in, the transmission between its internal motor transmission shaft and double suction pump blade will necessarily be damaged.
Double entry pump is driven if a kind of double suction centrifugal pump can be invented, there is certain protective device to be used to buffer transmission shaft Blade starts turning the impact of moment, and with regard to can solve problem, we provide a kind of efficient double-suction centrifugal pumps thus.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of efficient double-suction centrifugal pump Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of efficient double-suction centrifugal pump, including double suction Main body is pumped, the medium position of the double entry pump main body is provided with blade, is transmitted axis in the middle part of the blade and runs through, the transmission One end of axis extends to the outside of double entry pump main body, and the end of transmission shaft is connect with motor, and the middle part of blade integrally connects Movable sleeve is connected to transmission shaft in the cylinder bore connect, and one line of several groups is provided on the surface of the transmission shaft in cylinder Equally distributed driver blade, the driver blade are located in the fan-shaped plate sliding slot opened up on the inner wall of cylinder, and the one of the sliding slot Rectangular-shape detent slot is offered in a planar inner wall, is provided with pressure apparatus and spring in the inner cavity of the detent slot, it is described Spring is located at the groove bosom of detent slot, and one end of the spring is provided with pressure apparatus, and the pressure apparatus part is located at In detent slot, another part of the pressure apparatus is extended in sliding slot.
Preferably, the pressure apparatus includes the telescopic mast of the roller of rectangular shape, support ear and rectangular shape, institute The one end for stating telescopic mast extends in detent slot, and the telescopic mast is contacted with spring, the other end end side of the telescopic mast It is fixedly connected on face there are two plate-like support ear, is fixedly connected with shaft between two support ears, activity is cased in shaft Roller, one side and the driver blade contact of the roller.
Preferably, driver blade described in one group is located at the axial driver blade of transmission by several uniform rings and forms, the transmission The shape of piece is fan-shaped plate, one end of the driver blade and transmission shaft integrally connected.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model is by by the company for being directly connected to mode and becoming several spring buffers between blade and transmission shaft Mode is connect, avoids transmission really up to the mark between blade and transmission shaft that from shortening the service life of double suction centrifugal pump;
2. the device ensures that the workflow of telescopic mast pressuring spring is gone on smoothly by the design of pressure apparatus, and then makes The operation is stable of transmission shaft driven blade carries out, and improves the practicability of whole device.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is driver blade structural schematic diagram;
Fig. 3 is sliding groove structure schematic diagram;
Fig. 4 is pressure apparatus structural schematic diagram;
Fig. 5 is spring structure schematic diagram in Fig. 3.
In figure: 1 double entry pump main body, 2 blades, 3 transmission shafts, 4 driver blades, 5 cylinders, 6 sliding slots, 7 detent slots, 8 pressure apparatus, 9 rollers, 10 support ears, 11 telescopic masts, 12 springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the technical solution in the utility model, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of efficient double-suction centrifugal pump, including double entry pump Main body 1, the medium position of double entry pump main body 1 are provided with blade 2, and the middle part of blade 2 is transmitted axis 3 and runs through, one end of transmission shaft 3 The outside of double entry pump main body 1 is extended to, and the end of transmission shaft 3 is connect with motor, the cylinder 5 of 2 integral middle of blade connection Movable sleeve is connected to transmission shaft 3 in inner cavity, and one line of several groups is provided on the surface of the transmission shaft 3 in cylinder 5 and is uniformly distributed Driver blade 4, driver blade 4 is located in the fan-shaped plate sliding slot 6 opened up on the inner wall of cylinder 5, in a planar inner wall of sliding slot 6 Rectangular-shape detent slot 7 is offered, pressure apparatus 8 and spring 12 are provided in the inner cavity of detent slot 7, spring 12 is located at detent slot 7 groove bosom, one end of spring 12 are provided with pressure apparatus 8, and 8 part of pressure apparatus is located in detent slot 7, pressure apparatus 8 another part extends in sliding slot 6.
Further, pressure apparatus 8 includes the telescopic mast of the roller 9 of rectangular shape, support ear 10 and rectangular shape 11, one end of telescopic mast 11 extends in detent slot 7, and telescopic mast 11 is contacted with spring 12, the other end end of telescopic mast 11 It is fixedly connected on side there are two plate-like support ear 10, is fixedly connected with shaft, movable sleeve in shaft between two support ears 10 There are roller 9, one side and driver blade 4 contact of roller 9, buffer function is played in the effect of pressure apparatus 8, when driver blade 4 starts When doing around the axis rotation of transmission shaft 3, driver blade 4 starts to push pressure apparatus 8, and specially driver blade 4 pushes roller 9, passes through The transmission of roller 9 makes support ear 10 oppress telescopic mast 11 and enters in detent slot 7, and 11 pressuring spring 12 of telescopic mast, spring 12 is shunk Resisting the pressure from telescopic mast 11 always in the process, final pressure device 8 is driven completely into detent slot 7 Piece 4 pushes pressure apparatus 8, and the reaction effect by spring 12, one end of final driver blade 4 are withstood on sliding slot 6 always in the process It is arranged on the side wall of detent slot 7, the mobile common rotation for pushing cylinder 5 of several driver blades 4, because of the presence of several springs 12, Make driver blade 4 push cylinder 5 process become to mitigate, i.e., transmission shaft 3 with movable vane piece 2 rotate during, blade 2 be unlikely to by To directly thrust really up to the mark, the accidental damage of blade 2 and transmission shaft 3 is avoided, roller 9 and driver blade 4 are realized in the effect of roller 9 Connection is rolled, since driver blade 4 is to do to rotate around 3 axis of transmission shaft, it is contemplated that will appear between driver blade 4 and pressure apparatus 8 Misplace mobile problem, ensures that relative position between telescopic mast 11 and detent slot 7 changed goes on smoothly in this way.
Further, one group of driver blade 4 is located at the driver blade 4 around transmission shaft 3 by several uniform rings and forms, driver blade 4 Shape be fan-shaped plate, 3 integrally connected of one end and transmission shaft of driver blade 4.
Working principle: when double-suction centrifugal pump pump work, motor driven transmission shaft 3 is rotated, rotation of the transmission shaft 3 with movable vane piece 2, Specially transmission shaft 3 drives rotating around 3 axis of transmission shaft for several driver blades 4, and several driver blades 4 push turning for cylinder 5 jointly It is dynamic, and then realize the rotation of blade 2, to make double-suction centrifugal pump pump work.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of efficient double-suction centrifugal pump, including double entry pump main body (1), it is characterised in that: the middle part of the double entry pump main body (1) Position is provided with blade (2), is transmitted axis (3) in the middle part of the blade (2) and is run through, and one end of the transmission shaft (3) extends to The outside of double entry pump main body (1), and the end of transmission shaft (3) is connect with motor, the circle of blade (2) the integral middle connection Movable sleeve is connected to transmission shaft (3) in cylinder (5) inner cavity, is provided on the surface of the transmission shaft (3) in cylinder (5) several The group equally distributed driver blade of one line (4), the driver blade (4) are located at the fan-shaped plate sliding slot opened up on the inner wall of cylinder (5) (6) in, rectangular-shape detent slot (7), the inner cavity of the detent slot (7) are offered in a planar inner wall of the sliding slot (6) In be provided with pressure apparatus (8) and spring (12), the spring (12) is located at the groove bosom of detent slot (7), the spring (12) one end is provided with pressure apparatus (8), and the pressure apparatus (8) is partially located in detent slot (7), the pressure apparatus (8) another part extends in sliding slot (6).
2. a kind of efficient double-suction centrifugal pump according to claim 1, it is characterised in that: the pressure apparatus (8) includes length One end of the telescopic mast (11) of the roller (9) of cube shape, support ear (10) and rectangular shape, the telescopic mast (11) extends To in detent slot (7), and the telescopic mast (11) is contacted with spring (12), in the other end end sides of the telescopic mast (11) There are two being fixedly connected plate-like support ear (10), shaft, activity in shaft are fixedly connected between two support ears (10) It is cased with roller (9), one side and driver blade (4) contact of the roller (9).
3. a kind of efficient double-suction centrifugal pump according to claim 1, it is characterised in that: driver blade described in one group (4) if by Dry uniform ring is located at driver blade (4) composition around transmission shaft (3), and the shape of the driver blade (4) is fan-shaped plate, the biography One end of movable plate (4) and transmission shaft (3) integrally connected.
CN201822187250.7U 2018-12-25 2018-12-25 A kind of efficient double-suction centrifugal pump Active CN209294059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822187250.7U CN209294059U (en) 2018-12-25 2018-12-25 A kind of efficient double-suction centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822187250.7U CN209294059U (en) 2018-12-25 2018-12-25 A kind of efficient double-suction centrifugal pump

Publications (1)

Publication Number Publication Date
CN209294059U true CN209294059U (en) 2019-08-23

Family

ID=67648784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822187250.7U Active CN209294059U (en) 2018-12-25 2018-12-25 A kind of efficient double-suction centrifugal pump

Country Status (1)

Country Link
CN (1) CN209294059U (en)

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