CN216381994U

CN216381994U - Internal circulation self-balancing multistage centrifugal water pump

Info

Publication number: CN216381994U
Application number: CN202122124738.7U
Authority: CN
Inventors: 何存立
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-04-26
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses an internal circulation self-balancing multistage centrifugal water pump, which comprises: the centrifugal pump is arranged on the surface of the carrier plate through the base and is arranged above the inner part of the fixed seat, meanwhile, the inner fixed block is fixedly arranged on the surface of the inner wall of the frame body of the fixed seat, and the bottom of the inner fixed block is fixedly arranged with the guide column; the one-level shock-absorbing structure, the one-level shock-absorbing structure sets up to two sets of both sides of installing at the fixing base, and the support plate bottom and the deflector of one-level shock-absorbing structure are fixed to be set up. This multistage centrifugal water pump of inner loop self-balancing, the vibrations that the centrifugal pump produced carry out damping work through one-level shock-absorbing structure, second grade shock-absorbing structure, and vibrations accessible one-level damping spring, second grade damping spring that the centrifugal pump produced cushion, damping work, and two sets of damping spring cushion, the shock attenuation with the vibrations of deformation mode to the centrifugal pump production, improve the life of centrifugal pump.

Description

Internal circulation self-balancing multistage centrifugal water pump

Technical Field

The utility model relates to the field of centrifugal water pumps, in particular to an internal circulation self-balancing multistage centrifugal water pump.

Background

The centrifugal pump is operated by utilizing the rotation of an impeller to make water generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to perform high-speed rotation motion, the water generates centrifugal motion, is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

All need use centrifugal pump in places such as hydraulic engineering, drainage station, current centrifugal pump is when using, all is the snap-on ground or simple fixes on the fixed plate, does not have and carries out good cushioning effect to the centrifugal pump, leads to current centrifugal pump easily to receive the damage when using, has shortened the life of centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal circulation self-balancing multistage centrifugal water pump to solve the defects in the background technology.

In order to achieve the above object, there is provided an internal circulation self-balancing multistage centrifugal water pump comprising:

the centrifugal pump is arranged on the surface of the carrier plate through the base and is arranged above the inner part of the fixed seat, meanwhile, the inner fixed block is fixedly arranged on the surface of the inner wall of the frame body of the fixed seat, and the bottom of the inner fixed block is fixedly arranged with the guide column;

the primary damping structures are arranged into two groups and are arranged on two sides of the fixed seat, and the bottom of the support plate of the primary damping structure is fixedly arranged with the guide plate;

second grade shock-absorbing structure, second grade shock-absorbing structure's buffer seat is fixed to be set up in the bottom of support plate, and the buffer seat left side is provided with the buffer block, and the buffer block tip sets up with the buffer beam is fixed, and the buffer beam is kept away from the one end of buffer block and is set up with the baffle is fixed.

Preferably, the fixing base includes framework, interior fixed block, guide post, riser and spout, and the riser is fixed to be set up at the inside downside of framework, and spacing hole has been seted up to riser inside simultaneously, and spacing downthehole portion activity is provided with the buffer beam, and the spout is installed on the riser left side.

Preferably, the primary damping structure comprises a support plate, a guide plate and a primary damping spring, and the primary damping spring is sleeved on the outer side of the guide column.

Preferably, the guide plates are arranged into two groups and are uniformly arranged on two sides of the bottom of the carrier plate, the section of each guide plate is L-shaped, guide holes are formed in the guide plates, and the guide columns are inserted in the guide holes.

Preferably, second grade shock-absorbing structure includes buffer seat, slider, buffer block, buffer beam, baffle and second grade damping spring, and second grade damping spring cup joints in the outside of buffer beam, and the buffer block bottom sets up with the slider is fixed, and the tip of slider slides and sets up inside the spout.

Preferably, the section of the buffer seat is in an isosceles trapezoid shape, the buffer blocks are arranged on two sides of the buffer seat, and the buffer blocks are in contact with the buffer seat.

Preferably, the surface of the buffer block is provided with a stress inclined plane, the inclination angle of the stress inclined plane is 61 degrees, and the buffer block is of a transverse moving structure.

Compared with the prior art, the utility model has the beneficial effects that: the vibrations that the centrifugal pump produced carry out shock attenuation work through one-level shock-absorbing structure, second grade shock-absorbing structure, and the vibrations accessible one-level damping spring that the centrifugal pump produced, second grade damping spring cushion, shock attenuation work, and two sets of damping spring cushion, the shock attenuation with the vibrations of mode to the centrifugal pump production of deformation, improve the life of centrifugal pump.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;

FIG. 4 is a top view of a structural carrier of the present invention;

FIG. 5 is a three-dimensional view of a structural buffer block of the present invention;

FIG. 6 is a three-dimensional view of a structural carrier of the present invention;

FIG. 7 is a schematic view of the structure of the buffer seat descending.

Reference numbers in the figures: 1. a centrifugal pump; 2. a fixed seat; 21. a frame body; 22. an inner fixed block; 23. a guide post; 24. a vertical plate; 25. a chute; 3. a primary shock absorbing structure; 31. a carrier plate; 32. a guide plate; 33. a primary damping spring; 4. a secondary damping structure; 41. a buffer seat; 42. a slider; 43. a buffer block; 44. a buffer rod; 45. a baffle plate; 46. and a secondary damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides an internal circulation self-balancing multistage centrifugal water pump, comprising: the centrifugal pump comprises a centrifugal pump 1, a primary damping structure 3 and a secondary damping structure 4;

the centrifugal pump 1 is arranged on the surface of the carrier plate 31 through the base, the centrifugal pump 1 is arranged above the inner part of the fixed seat 2, meanwhile, the inner fixed block 22 is fixedly arranged on the surface of the inner wall of the frame body 21 of the fixed seat 2, and the bottom of the inner fixed block 22 is fixedly arranged with the guide column 23;

the primary damping structures 3 are arranged in two groups and are arranged at two sides of the fixed seat 2, and the bottom of the carrier plate 31 of the primary damping structure 3 is fixedly arranged with the guide plate 32;

the buffer seat 41 of the secondary damping structure 4 is fixedly arranged at the bottom of the carrier plate 31, the buffer block 43 is arranged on the left side of the buffer seat 41, the end part of the buffer block 43 is fixedly arranged with the buffer rod 44, and one end of the buffer rod 44 far away from the buffer block 43 is fixedly arranged with the baffle 45.

Centrifugal pump 1 can produce vibrations in work, and the vibrations that centrifugal pump 1 produced this moment carry out shock attenuation work through one-level shock-absorbing structure 3, second grade shock-absorbing structure 4, and vibrations accessible one-level damping spring 33, second grade damping spring 46 that centrifugal pump 1 produced cushion, shock attenuation work, and two sets of damping spring cushion, the shock attenuation with the vibrations of deformation mode to centrifugal pump 1 production, improves centrifugal pump 1's life.

As a preferred embodiment, the fixing base 2 includes a frame 21, an inner fixing block 22, a guiding column 23, an upright plate 24 and a sliding groove 25, the upright plate 24 is fixedly disposed at the lower side of the inside of the frame 21, a limiting hole is formed in the upright plate 24, a buffer rod 44 is movably disposed in the limiting hole, and the sliding groove 25 is disposed at the left side of the upright plate 24.

As a preferred embodiment, the primary damping structure 3 includes a carrier plate 31, a guide plate 32 and a primary damping spring 33, and the primary damping spring 33 is sleeved outside the guide post 23.

The working mode of the primary damping structure 3 is as follows: when the carrier plate 31 vibrates, the first-stage damping spring 33 is pressed down by the guide plates 32 on two sides of the bottom of the carrier plate, and the first-stage damping spring 33 deforms to buffer and damp the vibration generated by the carrier plate 31.

In a preferred embodiment, two sets of guide plates 32 are uniformly installed on two sides of the bottom of the carrier plate 31, and the cross section of the guide plates 32 is "L" shaped, and the guide plates 32 have guide holes therein, and the guide posts 23 are inserted into the guide holes.

When the carrier plate 31 is lifted, the guide posts 23 are inserted into the guide plates 32 on two sides of the bottom of the carrier plate 31, so that the carrier plate 31 can be limited and guided when lifted, and the stability of the carrier plate 31 when lifted is ensured.

As a preferred embodiment, the secondary damping structure 4 includes a damping seat 41, a sliding block 42, a damping block 43, a damping rod 44, a baffle 45 and a secondary damping spring 46, and the secondary damping spring 46 is sleeved outside the damping rod 44, the bottom of the damping block 43 is fixed to the sliding block 42, and the end of the sliding block 42 is slidably disposed inside the sliding groove 25.

The working mode of the secondary damping structure 4 is as follows: buffer base 41 pushes down, moves buffer block 43 to the left simultaneously, and buffer block 43 compresses second grade damping spring 46, and second grade damping spring 46 takes place deformation, cushions the shock attenuation work to the vibrations that carrier plate 31 produced.

In a preferred embodiment, the cross section of the buffer base 41 is an isosceles trapezoid, and the buffer blocks 43 are disposed on both sides of the buffer base 41, and the buffer blocks 43 are disposed in contact with the buffer base 41.

When the buffer block 43 moves transversely, the buffer block 43 is arranged inside the sliding groove 25 in a sliding mode through the sliding block 42 at the bottom of the buffer block 43, the buffer block 43 moving transversely is limited and guided, and the buffer block 43 and the buffer rod 44 are prevented from inclining.

As a preferred embodiment, the surface of the buffer block 43 is provided with a force-bearing inclined plane, and the inclined angle of the force-bearing inclined plane is 61 °, and the buffer block 43 is in a lateral moving structure.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An internal circulation self-balancing multistage centrifugal water pump, comprising:

the centrifugal pump (1) is installed on the surface of the carrier plate (31) through the base, the centrifugal pump (1) is arranged above the inside of the fixed seat (2), meanwhile, an inner fixed block (22) is fixedly arranged on the surface of the inner wall of the frame body (21) of the fixed seat (2), and the bottom of the inner fixed block (22) is fixedly arranged with the guide column (23);

the primary damping structures (3) are arranged into two groups and are arranged on two sides of the fixed seat (2), and the bottom of a carrier plate (31) of each primary damping structure (3) is fixedly arranged with the guide plate (32);

second grade shock-absorbing structure (4), fixed the setting in the bottom of support plate (31) of buffer seat (41) of second grade shock-absorbing structure (4), and buffer seat (41) left side is provided with buffer block (43), and buffer block (43) tip and buffer rod (44) are fixed to be set up, and buffer rod (44) keep away from the fixed setting of one end and baffle (45) of buffer block (43).

2. The internal circulation self-balancing multistage centrifugal water pump of claim 1, characterized in that: fixing base (2) include framework (21), interior fixed block (22), guide post (23), riser (24) and spout (25), and riser (24) are fixed to be set up in the inside downside of framework (21), and spacing hole has been seted up to riser (24) inside simultaneously, and spacing downthehole portion activity is provided with buffer beam (44), and spout (25) are installed on riser (24) left side.

3. The internal circulation self-balancing multistage centrifugal water pump of claim 1, characterized in that: the primary damping structure (3) comprises a carrier plate (31), a guide plate (32) and a primary damping spring (33), and the primary damping spring (33) is sleeved on the outer side of the guide column (23).

4. The internal circulation self-balancing multistage centrifugal water pump of claim 3, characterized in that: the guide plates (32) are arranged into two groups and are uniformly arranged on two sides of the bottom of the carrier plate (31), the section of each guide plate (32) is L-shaped, guide holes are formed in the guide plates (32), and the guide columns (23) are inserted in the guide holes.

5. The internal circulation self-balancing multistage centrifugal water pump of claim 1, characterized in that: second grade shock-absorbing structure (4) are including buffer seat (41), slider (42), buffer block (43), buffer rod (44), baffle (45) and second grade damping spring (46), and second grade damping spring (46) cup joint in the outside of buffer rod (44), and buffer block (43) bottom and slider (42) are fixed to be set up, and the tip of slider (42) slides and sets up inside spout (25).

6. The internal circulation self-balancing multistage centrifugal water pump of claim 5, characterized in that: the section of the buffer seat (41) is in an isosceles trapezoid shape, the buffer blocks (43) are arranged on two sides of the buffer seat (41), and the buffer blocks (43) are in contact with the buffer seat (41).

7. The internal circulation self-balancing multistage centrifugal water pump of claim 5, characterized in that: the surface of the buffer block (43) is provided with a stress inclined plane, the inclination angle of the stress inclined plane is 61 degrees, and the buffer block (43) is of a transverse moving structure.