CN214788178U - Double-suction centrifugal pump impeller and double-suction centrifugal pump - Google Patents

Abstract

The utility model belongs to the technical field of double-suction centrifugal pumps, and discloses a double-suction centrifugal pump impeller and a double-suction centrifugal pump, which comprise a pump box and a water inlet pipe, a switch is arranged on one side surface wall of the pump box, two water inlet pipes are arranged, fixing parts are arranged inside the two water inlet pipes, the filter plate is arranged at one end of the fixing part, the wheel shaft is arranged inside the water inlet pipe, the cleaning fixture block is arranged on one side surface wall of the wheel shaft, the slide rail is arranged on one side of the inner wall of the water inlet pipe, the filter plate is arranged in the utility model, the impurities in the water flow can be intercepted through the filtration of the filter plate, and the impurities are recovered through the receiving groove, can be detained impurity in the outside of centrifugal pump, the clean fixture block that sets up follows the shaft and rotates, can clean up the impurity on filter plate surface, through the centrifugal force when rotating, cleans impurity into and accomodates the inslot.

Description

Double-suction centrifugal pump impeller and double-suction centrifugal pump

Technical Field

The utility model belongs to the technical field of the double entry centrifugal pump, concretely relates to double entry centrifugal pump impeller and double entry centrifugal pump.

Background

The double suction centrifugal pump is an important form of the centrifugal pump, and has the characteristics of high lift, large flow and the like, so the double suction centrifugal pump is widely applied in engineering, the impeller of the pump is actually formed by combining two back-to-back impellers, the water flow flowing out of the impellers is converged into a volute, the double suction centrifugal pump has the following characteristics that the double suction centrifugal pump is equivalent to two single suction impellers with the same diameter and works simultaneously, the flow can be doubled under the same impeller outer diameter, the pump shell is horizontally opened, the inspection and the maintenance are convenient, meanwhile, the inlet and the outlet of the double suction centrifugal pump are in the same direction and are vertical to the pump shaft, the arrangement and the installation of the pump and a water inlet and outlet pipe are facilitated, the impeller of the double suction centrifugal pump is symmetrical in structure, the axial force is avoided, and the operation is stable.

However, the existing double-suction centrifugal pump impeller and double-suction centrifugal pump in the current market have some defects in the use process, for example, the existing double-suction centrifugal pump is not assisted by a filter assembly before suction, so that the problems of poor water quality and more impurities doped in the double-suction centrifugal pump impeller are often encountered, the double-suction centrifugal pump often fails in use when more impurities exist, and the impeller is damaged by excessive impurities.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double suction centrifugal pump impeller and double suction centrifugal pump to solve current double suction centrifugal pump stability in use's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double entry centrifugal pump impeller and double entry centrifugal pump, includes pump box and inlet tube, the switch is installed to a side table wall of pump box, the inlet tube is provided with two, two the mounting is all installed to the inside of inlet tube, the filter plate is installed to the one end of mounting, the inside of inlet tube is provided with the shaft, clean fixture block is installed to a side table wall of shaft, the slide rail is installed to inner wall one side of inlet tube, clean fixture block is close to a side table wall of slide rail and installs the slider, slider and slide rail sliding connection.

Preferably, the internally mounted of pump box has the mounting panel, the motor is installed at the top of mounting panel, the output shaft of motor runs through the top of mounting panel and installs the drive shaft, one side that the motor was kept away from to the one end of drive shaft is installed drive gear, the inside symmetry of pump box is provided with two driven shafts, two the driven shaft is close to drive gear's one end and all installs from the driving wheel, the drive wheel with follow driving wheel transmission and be connected, two one side and the shaft fixed mounting of following the driving wheel are kept away from to the one end of driven shaft, motor and switch electric connection.

Preferably, a suction wheel is installed on one side surface wall of the wheel shaft, a suction hole is formed in one side surface wall of the suction wheel, and a centrifugal wheel is installed on one side surface wall of the wheel shaft.

Preferably, two the inlet tube symmetry is installed in the both sides of pump box, two the groove of accomodating has all been seted up to the inner wall both sides of inlet tube, the outlet pipe is installed at the top of inlet tube.

Preferably, the round hole has all been seted up to the both sides table wall of pump box, the internally mounted of round hole has the sealing ring, one side that driven gear was kept away from to the one end of driven shaft runs through the sealing ring, and with sealing ring sliding connection.

Preferably, two limit rings are symmetrically installed at the bottom of the installation plate, and the driven shaft is connected with the limit rings in a sliding manner.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up the filter plate, can intercept the impurity in the rivers through the filtration of filter plate, through the recovery of accomodating the groove, can be detained impurity in the outside of centrifugal pump, the wheel axle rotation is followed to the clean fixture block of setting, can clean up the impurity on filter plate surface, through the centrifugal force when rotating, cleans impurity into and accomodates the inslot.

(2) The utility model discloses set up the drive shaft, driven the drive shaft through the motor and rotated, the drive shaft can drive the driven shaft through drive gear and driven gear's cooperation and rotate, and the driven shaft can drive the shaft and rotate, and the shaft can drive suction wheel and centrifugal wheel and rotate, provides sufficient power for the operation of centrifugal pump, and the even running of driven shaft can be guaranteed to the gag lever post of setting, improves the stability of operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1;

fig. 5 is an enlarged view of fig. 1 at B.

In the figure: 1. a pump box; 2. a water inlet pipe; 3. a switch; 4. a fixing member; 5. filtering the plate; 6. a wheel axle; 7. a slide rail; 8. cleaning the clamping block; 9. mounting a plate; 10. an electric motor; 11. a drive shaft; 12. a drive gear; 13. a driven wheel; 14. a driven shaft; 15. a suction wheel; 16. a centrifugal wheel; 17. a receiving groove; 18. a water outlet pipe; 19. a seal ring; 20. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a double suction centrifugal pump impeller and double suction centrifugal pump, including pump box 1 and inlet tube 2, switch 3 is installed to a side table wall of pump box 1, inlet tube 2 is provided with two, mounting 4 is all installed to the inside of two inlet tubes 2, filter plate 5 is installed to the one end of mounting 4, the inside of inlet tube 2 is provided with shaft 6, clean fixture block 8 is installed to a side table wall of shaft 6, slide rail 7 is installed to inner wall one side of inlet tube 2, clean fixture block 8 is close to a side table wall of slide rail 7 and installs the slider, slider and slide rail 7 sliding connection, clean fixture block 8 follows shaft 6 and rotates, can clean up the impurity on filter plate 5 surface, through the centrifugal force when rotating, clean into taking in the inslot 17 with impurity.

In this embodiment, preferably, the mounting plate 9 is installed inside the pump box 1, the motor 10 is installed at the top of the mounting plate 9, the model number of the motor 10 is YE2, the output shaft of the motor 10 penetrates through the top of the mounting plate 9 and is installed with the driving shaft 11, the driving gear 12 is installed on one side, far away from the motor 10, of one end of the driving shaft 11, two driven shafts 14 are symmetrically arranged inside the pump box 1, the driven wheel 13 is installed on one ends, close to the driving gear 12, of the two driven shafts 14, the driving wheel is in transmission connection with the driven wheel 13, one side, far away from the driven wheel 13, of one ends of the two driven shafts 14 is fixedly installed with the wheel shaft 6, the motor 10 is electrically connected with the switch 3, sufficient power is provided for the operation of the centrifugal pump through the motor 10, and the normal operation of the impeller is ensured.

In this embodiment, preferably, a suction wheel 15 is installed on a side surface wall of the wheel shaft 6, a suction hole is formed on a side surface wall of the suction wheel 15, a centrifugal wheel 16 is installed on a side surface wall of the wheel shaft 6, the suction wheel 15 can form a negative pressure through rotation to quickly suck water into the centrifugal wheel 16, and the centrifugal wheel 16 can convey the water to the water outlet pipe 18.

In this embodiment, preferred, two inlet tube 2 symmetries are installed in the both sides of pump box 1, and the groove 17 of accomodating has all been seted up to the inner wall both sides of two inlet tube 2, and outlet pipe 18 is installed at the top of inlet tube 2, and the great impurity of quality is intercepted, and the groove 17 of accomodating can be collected impurity.

In this embodiment, preferably, the round hole has all been seted up to the both sides table wall of pump box 1, and the internally mounted of round hole has sealing ring 19, and driven gear's one side is kept away from to the one end of driven shaft 14 runs through sealing ring 19, and with 19 sliding connection of sealing ring, and sealing ring 19 can guarantee that rivers can not enter into the inside of pump box 1, causes the damage to internal components and parts.

In this embodiment, preferably, two limiting rings 20 are symmetrically installed at the bottom of the installation plate 9, the driven shaft 14 is slidably connected with the limiting rings 20, and the limiting rings 20 can ensure the stable operation of the driven shaft 14, thereby improving the operation stability.

The utility model discloses a theory of operation and use flow: when the double-suction centrifugal pump impeller and the double-suction centrifugal pump are used, firstly, the water inlet pipe 2 and the water outlet pipe 18 are communicated with an external water pipe, the interior of the water inlet pipe 2 is filled with enough water, the motor 10 is started, the motor 10 drives the driving shaft 11 to rotate, the driving shaft 11 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear to rotate, the driven gear drives the driven shaft 14 to rotate along the limiting ring 20, the driven shaft 14 drives the wheel shaft 6 to rotate, the wheel shaft 6 drives the cleaning clamping block 8, the suction wheel 15 and the centrifugal wheel 16 to rotate, the cleaning clamping block 8 moves along the sliding rail 7 through the sliding block, the cleaning clamping block 8 cleans impurities on the surface of the filter plate 5, the impurities enter the containing groove 17, the suction wheel 15 rotates to form negative pressure, water flow is sucked into the interior of the centrifugal wheel 16, and the centrifugal wheel 16 rotates to convey the water flow into the water outlet pipe 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a double suction centrifugal pump impeller and double suction centrifugal pump, includes pump box (1) and inlet tube (2), switch (3), its characterized in that are installed to a lateral surface wall of pump box (1): the improved filter plate is characterized in that the inlet pipe (2) is provided with two fixing pieces (4) which are arranged inside the inlet pipe (2), the filter plate (5) is arranged at one end of each fixing piece (4), the wheel shaft (6) is arranged inside the inlet pipe (2), a cleaning clamping block (8) is arranged on one side surface wall of the wheel shaft (6), the sliding rail (7) is arranged on one side of the inner wall of the inlet pipe (2), the sliding block is arranged on one side surface wall, close to the sliding rail (7), of the cleaning clamping block (8), and the sliding block is connected with the sliding rail (7) in a sliding mode.

2. The impeller for a double suction centrifugal pump and the double suction centrifugal pump according to claim 1, wherein: the utility model discloses a pump box, including pump box (1), mounting panel (9), motor (10) are installed at the top of mounting panel (9), drive shaft (11) are installed at the top that the output shaft of motor (10) runs through mounting panel (9), drive gear (12) are installed to one side that motor (10) were kept away from to the one end of drive shaft (11), the inside symmetry of pump box (1) is provided with two driven shafts (14), two driven shaft (14) are close to the one end of drive gear (12) and all install from driving wheel (13), from driving wheel (13) and drive wheel transmission connection, two one side and shaft (6) fixed mounting from driving wheel (13) are kept away from to the one end of driven shaft (14), motor (10) and switch (3) electric connection.

3. The impeller for a double suction centrifugal pump and the double suction centrifugal pump according to claim 2, wherein: a suction wheel (15) is installed on one side surface wall of the wheel shaft (6), a suction hole is formed in one side surface wall of the suction wheel (15), and a centrifugal wheel (16) is installed on one side surface wall of the wheel shaft (6).

4. The impeller for a double suction centrifugal pump and the double suction centrifugal pump according to claim 1, wherein: two the both sides at pump case (1) are installed to inlet tube (2) symmetry, two accomodate groove (17) have all been seted up to the inner wall both sides of inlet tube (2), outlet pipe (18) are installed at the top of inlet tube (2).

5. The impeller for a double suction centrifugal pump and the double suction centrifugal pump according to claim 2, wherein: the round hole has all been seted up to the both sides table wall of pump box (1), the internally mounted of round hole has sealing ring (19), one side that driven gear was kept away from to the one end of driven shaft (14) runs through sealing ring (19), and with sealing ring (19) sliding connection.

6. The impeller for a double suction centrifugal pump and the double suction centrifugal pump according to claim 2, wherein: two spacing rings (20) are symmetrically installed at the bottom of the mounting plate (9), and the driven shaft (14) is connected with the spacing rings (20) in a sliding mode.

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