CN218598474U

CN218598474U - Damping vertical multistage centrifugal pump

Info

Publication number: CN218598474U
Application number: CN202222359876.8U
Authority: CN
Inventors: 徐浩
Original assignee: Hebei Huitong Pump Co ltd
Current assignee: Hebei Huitong Pump Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-03-10
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to a centrifugal pump technical field, the vertical multistage centrifugal pump of shock-proof type is proposed, it is convenient for select absorbing switch according to different power operation, it is higher to use the flexibility, including the centrifugal pump body, still include roof and bottom plate, the top at the roof is installed to the centrifugal pump body, the top of bottom plate is connected with two mounts, equal sliding connection has two balladeur trains on two mounts, all rotate on a plurality of balladeur trains and be connected with the bracing piece, the top of a plurality of bracing pieces is connected with the connecting plate, install cooling mechanism on the connecting plate, the bottom of connecting plate is connected with the support frame, the support frame internal rotation is connected with the last pressure shaft, install damper in two mounts, first motor is installed on the top of bottom plate, the output of first motor is connected with first sprocket, it is connected with the second sprocket to rotate on the bottom plate, screw and threaded connection have the lifting screw on second sprocket and the bottom plate, lifting screw's top is rotated and is connected with the layer board.

Description

Damping vertical multistage centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field, concretely relates to vertical multistage centrifugal pump of shock-proof type.

Background

The vertical multistage centrifugal pump is a pump for conveying liquid by means of centrifugal force generated when an impeller rotates, and mainly comprises an impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and the like. It is mainly characterized in that: the vertical multistage centrifugal pump is generally driven by a motor, and a pump body and a suction pipeline are filled with liquid before the pump is started. When the impeller rotates at a high speed, the impeller drives liquid among the blades to rotate together, and the liquid is thrown from the center of the impeller to the outer edge of the impeller (the flow velocity can be increased to 15-25 m/s) under the action of centrifugal force, so that the kinetic energy is increased. After liquid enters a pump shell, because a flow channel in the volute-shaped pump shell is gradually enlarged, the flow speed of the liquid is gradually reduced, and a part of kinetic energy is converted into static pressure energy, then the liquid flows out along a discharge port at higher pressure, the utility model patent with the Chinese patent application number of CN211692971U is retrieved in the related technology of the existing vertical multistage centrifugal pump, and the utility model discloses a damping type mounting seat of a centrifugal pump.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a shock-proof type vertical multistage centrifugal pump, the vibration that produces when high-power operation is great with the vertical multistage centrifugal pump of prior art who proposes in solving the background art, then need carry out the shock attenuation to it, thereby the shock attenuation when moving it offsets, nevertheless the vibration that produces when vertical multistage centrifugal pump is when the miniwatt operation is very little, then need not carry out the shock attenuation to vertical multistage centrifugal pump, also consequently need close the shock attenuation and improve vertical multistage centrifugal pump's work efficiency, if do not close the shock attenuation under the miniwatt operation, reduce its work efficiency's problem easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the damping type vertical multistage centrifugal pump comprises a centrifugal pump body, a top plate and a bottom plate, wherein the centrifugal pump body is installed on the top end of the top plate, two fixing frames and two fixing frames are fixedly connected to the top end of the bottom plate, two sliding frames are connected to the fixing frames in a sliding mode, a supporting rod is connected to the sliding frames in a rotating mode, the supporting rod is connected to the top end of the supporting rod in a rotating mode, the supporting rod is connected to the bottom end of the connecting plate in a rotating mode, a cooling mechanism is installed on the connecting plate, a supporting frame is connected to the supporting frame in an rotating mode, a damping mechanism is installed in the fixing frames, a first motor is installed on the top end of the bottom plate, a first chain wheel of the first motor is connected to the output end of the first motor, a second chain wheel is connected to the bottom plate in a rotating mode, a lifting screw hole is formed in the second chain wheel and the bottom plate in a threaded connection mode, the top end of the lifting screw rod is connected to a supporting plate, and a chain is connected to the first chain wheel in a transmission mode.

Preferably, damper includes a plurality of shock attenuation poles, and is a plurality of the shock attenuation pole respectively with a plurality of balladeur trains and two mount fixed connection, it is a plurality of all the cover is equipped with first spring, two on the shock attenuation pole two shock attenuation framves of equal fixedly connected with on the mount, it is a plurality of all the cover is equipped with the second spring on the shock attenuation frame, all rotates between every two adjacent shock attenuation framves and is connected with the damping shaft, two the damping shaft all contacts with the last pressure axis.

Further, cooling mechanism includes the wind frame, wind frame fixed connection is on the top of connecting plate, install the fan in the wind frame.

Still further, the bottom end of the supporting plate is fixedly connected with two limiting rods, the bottom plate is provided with two sliding holes, and the two limiting rods are respectively connected in the two sliding holes in a sliding manner.

As a further scheme of the scheme, two sliding grooves are formed in the two fixing frames, and the sliding frames are connected in the sliding grooves in a sliding mode respectively.

As a further scheme of the scheme, a plurality of rotating grooves are formed in the sliding frame, and the supporting rods are respectively connected in the plurality of rotating grooves in a rotating mode.

On the basis of the scheme, a rotating frame is fixedly connected between every two adjacent damping frames, and the two damping shafts are respectively and rotatably connected in the two rotating frames.

Further on the basis of the scheme, the bottom end of the bottom plate is fixedly connected with a plurality of supporting legs, and the bottom ends of the supporting legs are fixedly connected with non-slip mats.

(III) advantageous effects

Compared with the prior art, the utility model provides a vertical multistage centrifugal pump of shock-proof type possesses following beneficial effect:

in the utility model, when the vertical multistage centrifugal pump operates at low power, the first motor arranged on the bottom plate drives the first chain wheel to rotate, and further drives the chain and the second chain wheel to rotate, thereby driving the lifting screw rod to rotate, further driving the support plate rotatably connected on the lifting screw rod to lift, further contacting the support plate with the pressing plate, and further closing the vertical multistage centrifugal pump with shock absorption, when the vertical multistage centrifugal pump runs at high power, the vertical multistage centrifugal pump is pressed downwards through the pressing shaft which is rotatably connected with the supporting frame, and the shock absorption is carried out through the first spring and the second spring which are respectively sleeved on the shock absorption rod and the shock absorption frame, the damping shaft connected with the damping frame in a rotating mode supports the pressure shaft, and therefore the damping type vertical multistage centrifugal pump is convenient to select a damping switch when operating according to different powers, and is high in use flexibility.

Drawings

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

fig. 2 is a schematic perspective view of another angle of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the fixing frame, the sliding frame and the supporting rod of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure of fig. 1 according to the present invention.

In the figure: 1. a centrifugal pump body; 2. a top plate; 3. a base plate; 4. a fixed mount; 5. a carriage; 6. a support bar; 7. a connecting plate; 8. a support frame; 9. pressing the shaft; 10. a first motor; 11. a first sprocket; 12. a second sprocket; 13. a lifting screw; 14. a support plate; 15. a chain; 16. a shock-absorbing rod; 17. a first spring; 18. a shock-absorbing mount; 19. a second spring; 20. a shock-absorbing shaft; 21. a wind frame; 22. a fan; 23. a limiting rod; 24. a rotating frame; 25. and (7) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the damping type vertical multistage centrifugal pump includes a centrifugal pump body 1, a top plate 2 and a bottom plate 3, a plurality of support legs 25 are fixedly connected to a bottom end of the bottom plate 3, non-slip pads are fixedly connected to bottom ends of the support legs 25 to support the centrifugal pump body to work and prevent the centrifugal pump body from slipping during working, the centrifugal pump body 1 is mounted on a top end of the top plate 2, two fixing frames 4 are fixedly connected to a top end of the bottom plate 3, two sliding grooves are formed in the two fixing frames 4, the plurality of sliding frames 5 are respectively slidably connected to the plurality of sliding grooves to increase stability of the support bars 6 during sliding, the plurality of sliding frames 5 are respectively slidably connected to the plurality of sliding grooves, a cooling mechanism is mounted on the connecting plate 7, the cooling mechanism includes an air frame 21, the air frame 21 is fixedly connected to a top end of the connecting plate 7, a fan 22 is mounted in the air frame 21 to facilitate cooling of the centrifugal pump body 1, the centrifugal pump body 7 is fixedly connected to a bottom end of the centrifugal pump body 1, a cooling mechanism 16 is fixedly connected to the centrifugal pump body 1, a cooling mechanism 16, two fixing frames 16 are respectively connected to the two fixing frames 4, a plurality of fixing frames 16, two rotating frames 16 are respectively connected to the two rotating frames 16, a plurality of fixing frames 16 are mounted on the air frame 21, a plurality of the fixing frames 16, each rotating frames 16 are respectively connected to the rotating frames 4, each rotating frames 16, each rotating frame, a plurality of the rotating frame 16, each rotating frame 16, so as to increase the stability of damping axle 20, all the cover is equipped with second spring 19 on a plurality of shock attenuation framves 18, all rotate between every two adjacent shock attenuation framves 18 and be connected with damping axle 20, two damping axles 20 all contact with last axle 9, so as to go on when high-power operation to it, can cushion, first motor 10 is installed on the top of bottom plate 3, the first sprocket 11 of output fixedly connected with of first motor 10, it is connected with second sprocket 12 to rotate on the bottom plate 3, screw and threaded connection have lifting screw 13 all been seted up on second sprocket 12 and the bottom plate 3, lifting screw 13's top is rotated and is connected with layer board 14, two gag lever posts 23 of bottom fixedly connected with of layer board 14, two slide opening have been seted up on the bottom plate 3, two gag lever posts 23 are sliding connection respectively in two slide opening, so as to increase the stability of layer board 14 when going up and down, the transmission is connected with chain 15 between first sprocket 11 and the second sprocket 12.

It should be further described that the first motor 10 in this embodiment is a conventional device purchased from the market and known to those skilled in the art, and the model can be selected or customized according to actual needs, in this patent, we only use it, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode are used, for those skilled in the art, only debugging operations are performed according to the requirements of their usage specifications, and no further description is given here, and the first motor 10 is provided with a control switch matched with it, and the installation position of the control switch is selected according to actual needs, so that an operator can perform operation control conveniently.

To sum up, when the damping type vertical multistage centrifugal pump is used, firstly, the damping type vertical multistage centrifugal pump is placed at a place where the damping type vertical multistage centrifugal pump needs to be used, a forward and reverse rotation circuit is connected with a first motor 10 according to a specification, when the vertical multistage centrifugal pump operates at a low power, the first motor 10 is started, the first motor 10 installed on the bottom plate 3 drives a first chain wheel 11 to rotate, a second chain wheel 12 is further driven to rotate through a chain 15, a lifting screw 13 is driven to rotate, a supporting plate 14 is further driven to ascend, the damping function is closed, when the vertical multistage centrifugal pump operates at a high power to generate large vibration, the first motor 10 is reversely rotated, the supporting plate 14 is further descended, the damping function is opened, the pressing shaft 9 rotatably connected to a supporting frame 8 is pressed downwards, the damping is performed through a first spring 17 and a second spring 19 which are respectively sleeved on a damping rod 16 and a damping frame 18, the pressing shaft 9 is supported through a damping shaft 20 rotatably connected to a damping frame 18, and the damping operation is performed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The damping vertical multistage centrifugal pump comprises a centrifugal pump body (1) and is characterized by further comprising a top plate (2) and a bottom plate (3), the centrifugal pump body (1) is arranged at the top end of the top plate (2), the top end of the bottom plate (3) is fixedly connected with two fixing frames (4), two sliding frames (5) are respectively connected on the two fixing frames (4) in a sliding manner, a plurality of the sliding frames (5) are respectively connected with a supporting rod (6) in a rotating manner, the top ends of the supporting rods (6) are fixedly connected with a connecting plate (7), a cooling mechanism is arranged on the connecting plate (7), a supporting frame (8) is fixedly connected with the bottom end of the connecting plate (7), a pressing shaft (9) is rotationally connected in the supporting frame (8), a damping mechanism is arranged in the two fixing frames (4), the top end of the bottom plate (3) is provided with a first motor (10), the output end of the first motor (10) is fixedly connected with a first chain wheel (11), the bottom plate (3) is rotatably connected with a second chain wheel (12), the second chain wheel (12) and the bottom plate (3) are both provided with screw holes and are in threaded connection with a lifting screw (13), the top end of the lifting screw (13) is rotationally connected with a supporting plate (14), and a chain (15) is in transmission connection between the first chain wheel (11) and the second chain wheel (12).

2. The vertical multistage centrifugal pump of shock-absorbing type of claim 1, characterized in that, damper includes a plurality of shock attenuation poles (16), a plurality of shock attenuation pole (16) respectively with a plurality of balladeur trains (5) and two mount (4) fixed connection, a plurality of all overlap on the shock attenuation pole (16) and be equipped with first spring (17), two all fixed connection has two shock attenuation framves (18) on the mount (4), a plurality of all overlap on the shock attenuation frame (18) and be equipped with second spring (19), every two adjacent shock attenuation framves (18) all rotate between be connected with damping shaft (20), two damping shaft (20) all contact with last item (9).

3. The shock-absorbing vertical multistage centrifugal pump according to claim 2, wherein the cooling mechanism comprises an air frame (21), the air frame (21) is fixedly connected to the top end of the connecting plate (7), and a fan (22) is installed in the air frame (21).

4. The damping vertical multistage centrifugal pump according to claim 3, wherein two limiting rods (23) are fixedly connected to the bottom end of the supporting plate (14), two sliding holes are formed in the bottom plate (3), and the two limiting rods (23) are respectively connected in the two sliding holes in a sliding manner.

5. The vertical multistage centrifugal pump of shock-proof type of claim 4, characterized in that, two chutes have been seted up on two said mounts (4), a plurality of said balladeur train (5) respectively sliding connection in a plurality of chutes.

6. The damping vertical multistage centrifugal pump according to claim 5, wherein a plurality of the carriages (5) are provided with a plurality of rotating grooves, and a plurality of the support rods (6) are respectively rotatably connected in the plurality of rotating grooves.

7. The vertical multistage centrifugal pump of claim 6, wherein a rotating frame (24) is fixedly connected between every two adjacent damping frames (18), and the two damping shafts (20) are respectively and rotatably connected in the two rotating frames (24).

8. The damping type vertical multistage centrifugal pump according to claim 7, characterized in that a plurality of supporting legs (25) are fixedly connected to the bottom end of the bottom plate (3), and a non-slip mat is fixedly connected to the bottom ends of the supporting legs (25).