CN218624766U - Centrifugal pump installation base takes precautions against earthquakes - Google Patents

Abstract

The utility model relates to the technical field of machine manufacturing, in particular to a shockproof centrifugal pump mounting base which reduces the amplitude and the frequency of a centrifugal pump through a damper and a limiting mechanism, avoids generating resonance and improves the safety of the centrifugal pump; the buffer plate is arranged on the bottom plate through the springs I, and the two mounting plates are arranged on the buffer plate; still include a plurality of dampers, horizontal supporting mechanism and stop gear, the both ends of a plurality of dampers are rotated respectively and are connected buffer board and bottom plate, the damping action of a plurality of dampers makes the vibration amplitude and the frequency of buffer board reduce, thereby avoid producing resonance, horizontal supporting mechanism installs on the bottom plate, horizontal supporting mechanism horizontal elastic support buffer board's four lateral walls, stop gear includes a plurality of horizontal spacing subassemblies and a plurality of vertical spacing subassembly, horizontal spacing subassembly restriction buffer board's the horizontal maximum amplitude, vertical spacing subassembly restriction buffer board's the vertical maximum amplitude.

Description

Centrifugal pump installation base takes precautions against earthquakes

Technical Field

The utility model relates to a technical field of machine-building especially relates to a centrifugal pump installation base takes precautions against earthquakes.

Background

The centrifugal pump is a pump for conveying liquid by means of centrifugal force generated when an impeller rotates, the centrifugal pump works by utilizing the centrifugal motion of water generated by the rotation of the impeller, and when the centrifugal pump works, severe vibration is generated due to the high-speed rotation of the impeller, application number CN202021740838.1 provides a shockproof centrifugal pump mounting base, and the centrifugal pump is mounted on the base, so that the vibration of the centrifugal pump in a working state can be reduced, the working accuracy of the centrifugal pump is improved, safety accidents are avoided, and the working safety of the centrifugal pump is improved; however, in actual work, it is found that the mounting base of the anti-vibration centrifugal pump absorbs the vibration of the centrifugal pump through the spring, and no damper is arranged, and as the damping effect of the spring is limited and no limiting mechanism for limiting the maximum amplitude of the base is arranged, the base is easy to resonate with the spring in the process of gradually increasing the starting rotating speed of the centrifugal pump, once the resonance is generated, the vibration of the centrifugal pump is more severe, and the danger to the centrifugal pump and the environment is higher, so that improvement on the prior art is needed, the amplitude is limited, the resonance risk is eliminated, and the safety is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through amplitude and the frequency that attenuator and stop gear reduced the centrifugal pump, avoid producing resonance, improve the centrifugal pump installation base that takes precautions against earthquakes of the security of centrifugal pump.

The utility model discloses a centrifugal pump installation base takes precautions against earthquakes, including bottom plate, a plurality of spring one, buffer board and two mounting panels, the up end of bottom plate is installed a plurality of spring one that are used for the elastic support buffer board, and the buffer board is installed on a plurality of spring one, installs two mounting panels that are used for installing the centrifugal pump on the buffer board; the damping buffer plate is characterized by further comprising a plurality of dampers, a horizontal supporting mechanism and a limiting mechanism, wherein one ends of the dampers are respectively and rotatably connected with the side wall of the buffer plate, the other ends of the dampers are connected with the bottom plate, the dampers are uniformly and obliquely arranged around the buffer plate, the damping action of the dampers reduces the vibration amplitude and the frequency of the buffer plate so as to avoid resonance, the horizontal supporting mechanism is installed on the bottom plate and horizontally and elastically supports the four side walls of the buffer plate, the limiting mechanism comprises a plurality of horizontal limiting assemblies and a plurality of vertical limiting assemblies, the horizontal limiting assemblies limit the horizontal maximum amplitude of the buffer plate, and the vertical limiting assemblies limit the vertical maximum amplitude of the buffer plate; a plurality of springs are vertical elastic support buffer board, horizontal support mechanism is from four direction horizontal elastic support buffer boards all around, the damping action of cooperation a plurality of dampers is carried out the shock attenuation to the vertical and horizontal direction's of centrifugal pump vibrations, stop gear restriction buffer board maximum amplitude when level and vertical direction vibration, the damping action of a plurality of dampers makes the amplitude and the frequency of buffer board reduce, realize the shock attenuation purpose, avoid producing resonance simultaneously, thereby improve the security of centrifugal pump.

Preferably, the horizontal supporting mechanism comprises four corner seats, a plurality of second springs and four corner plates, the corner seats are respectively provided with two vertical plates, the four corner seats are uniformly and vertically arranged on the bottom plate along the circumference, the four corner seats are respectively opposite to the four corners of the buffer plate, the two vertical plates of the corner seats are respectively provided with the second springs, the other ends of the second springs are respectively connected with the outer walls of the two sides of the four corner plates, and the four corner plates are respectively arranged on the four corners of the buffer plate; four corner seats support a plurality of springs two, and a plurality of springs two carry out four all around to the buffer board through four scutches and put to elastic support, cooperate a plurality of attenuators to carry out effective shock attenuation, improve equipment's practicality to the vibrations of buffer board on the horizontal direction.

Preferably, the limiting mechanism comprises a plurality of horizontal limiting assemblies and a plurality of vertical limiting assemblies, the horizontal limiting assemblies are horizontally arranged on vertical plates of four corner seats respectively, a certain gap is formed between each horizontal limiting assembly and the four sides of the buffer plate so as to horizontally limit the buffer plate, the vertical limiting assemblies are uniformly and vertically arranged on the buffer plate, a certain gap is formed between each vertical limiting assembly and the bottom plate so as to vertically limit the buffer plate, each horizontal limiting assembly and each vertical limiting assembly comprise a screw rod, a threaded sleeve and a hand wheel, the middle part of each screw rod is in rotational threaded connection with the threaded sleeve, the threaded sleeve is horizontally arranged on the vertical plate of the corner seat or is vertically arranged on the buffer plate, the hand wheel is arranged at the outer end of each screw rod, and the inner end of each screw rod is close to the corner plate or the bottom plate; the hand wheel is rotated, the hand wheel drives the screw rod to rotate, under the action of the threads of the threaded sleeve, the inner end of the screw rod is close to or far away from the angle plate, so that the maximum amplitude of horizontal vibration of the buffer plate is limited, the inner end of the screw rod is close to or far away from the bottom plate in the same way, the vertical maximum amplitude of the buffer plate is limited, the maximum vibration of the centrifugal pump is limited, and the safety of the centrifugal pump is improved.

Preferably, the screw rod further comprises a plurality of buffer blocks, the inner ends of the plurality of screw rods are all provided with the buffer blocks, and the buffer blocks are made of hard rubber; through setting up a plurality of buffer blocks, when the amplitude of buffer board reached the restriction, buffer block and scute or bottom plate collision, the cushioning effect of buffer block can be done further shock attenuation, avoids screw rod, bottom plate and buffer board to collide with the damage simultaneously, improve equipment's reliability.

Preferably, the mounting device further comprises a plurality of mounting holes, and the two mounting plates are provided with a plurality of mounting holes in a matrix manner; through setting up the mounting hole of matrix, the mounted position of convenient adjustment centrifugal pump can install the centrifugal pump of different specifications simultaneously, and the commonality is high.

Preferably, the lifting device further comprises a plurality of lifting rings, the plurality of lifting rings are mounted on the upper end face of the bottom plate, and the plurality of lifting rings are symmetrically arranged along the front-back center line and the left-right center line of the bottom plate; the movable bottom plate is respectively hoisted through the plurality of hoisting rings, the installation position and the installation angle of the bottom plate can be conveniently adjusted, and the operation convenience is improved.

Compared with the prior art, the beneficial effects of the utility model are that: a plurality of springs support the buffer board vertically elastically, four direction horizontal elastic support buffer boards are controlled from all around to horizontal supporting mechanism, the damping effect of cooperation a plurality of attenuators is carried out the shock attenuation to the vertical and horizontal direction's of centrifugal pump vibrations, stop gear restriction buffer board is the biggest amplitude when level and vertical direction vibration, the damping effect of a plurality of attenuators makes the amplitude and the frequency of buffer board reduce, realize the shock attenuation purpose, avoid producing resonance simultaneously, thereby improve the security of centrifugal pump.

Drawings

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

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a front view of the present invention;

in the drawings, the reference numbers: 1. a base plate; 2. a first spring; 3. a buffer plate; 4. mounting a plate; 5. a damper; 6. a corner seat; 7. a second spring; 8. a gusset; 9. a screw; 10. a threaded sleeve; 11. a hand wheel; 12. a buffer block; 13. mounting holes; 14. a lifting ring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, a mounting base of a vibration-proof centrifugal pump comprises a base plate 1, a plurality of springs one 2, a buffer plate 3 and two mounting plates 4, wherein the plurality of springs one 2 for elastically supporting the buffer plate 3 are mounted on the upper end surface of the base plate 1, the buffer plate 3 is mounted on the plurality of springs one 2, and the two mounting plates 4 for mounting the centrifugal pump are mounted on the buffer plate 3; the damping buffer structure is characterized by further comprising a plurality of dampers 5, a horizontal supporting mechanism and a limiting mechanism, wherein one ends of the dampers 5 are respectively rotatably connected with the side wall of the buffer plate 3, the other ends of the dampers 5 are connected with the bottom plate 1, the dampers 5 are uniformly and obliquely arranged around the buffer plate 3, the damping action of the dampers 5 enables the vibration amplitude and the frequency of the buffer plate 3 to be reduced, so that resonance is avoided, the horizontal supporting mechanism is installed on the bottom plate 1, the horizontal supporting mechanism horizontally and elastically supports the four side walls of the buffer plate 3, the limiting mechanism comprises a plurality of horizontal limiting components and a plurality of vertical limiting components, the horizontal limiting components limit the horizontal maximum amplitude of the buffer plate 3, and the vertical limiting components limit the vertical maximum amplitude of the buffer plate 3; the horizontal supporting mechanism comprises four corner seats 6, a plurality of springs II 7 and four corner plates 8, the corner seats 6 are respectively provided with two vertical plates, the four corner seats 6 are uniformly and vertically arranged on the bottom plate 1 along the circumference, the four corner seats 6 are respectively opposite to the four corners of the buffer plate 3, the springs II 7 are respectively arranged on the two vertical plates of the corner seats 6, the other ends of the springs II 7 are respectively connected with the outer walls of the two sides of the four corner plates 8, and the four corner plates 8 are respectively arranged on the four corners of the buffer plate 3; the limiting mechanism comprises a plurality of horizontal limiting assemblies and a plurality of vertical limiting assemblies, the horizontal limiting assemblies are horizontally arranged on vertical plates of four corner seats 6 respectively, a certain gap is formed between each horizontal limiting assembly and the four sides of the buffer plate 3 so as to horizontally limit the buffer plate 3, the vertical limiting assemblies are uniformly and vertically arranged on the buffer plate 3, a certain gap is formed between each vertical limiting assembly and the bottom plate 1 so as to vertically limit the buffer plate 3, each horizontal limiting assembly and each vertical limiting assembly comprises a screw rod 9, a threaded sleeve 10 and a hand wheel 11, the middle part of each screw rod 9 is in threaded connection with the threaded sleeve 10 in a rotating mode, the threaded sleeve 10 is horizontally arranged on the vertical plate of the corner seat 6 or vertically arranged on the buffer plate 3, the hand wheel 11 is arranged at the outer end of each screw rod 9, and the inner end of each screw rod 9 is close to the corner plate 8 or the bottom plate 1; the screw rod structure is characterized by further comprising a plurality of buffer blocks 12, wherein the buffer blocks 12 are mounted at the inner ends of the screw rods 9, and the buffer blocks 12 are made of hard rubber;

before the centrifugal pump starts, according to the safe swing scope of centrifugal pump, rotate a plurality of screw rods 9 through a plurality of hand wheels 11, thereby adjust the interval between a plurality of buffer blocks 12 and a plurality of scute 8 and bottom plate 1, the centrifugal pump is installed on two mounting panels 4, make a plurality of spring one 2 compressed, at the start-up stage of centrifugal pump, when the amplitude of buffer plate 3 reaches the restriction, buffer block 12 collides with scute 8 or bottom plate 1, the cushioning effect of buffer block 12 can do further shock attenuation, avoid screw rod 9 simultaneously, bottom plate 1 and buffer plate 3 damage of colliding with, the biggest amplitude of buffer plate 3 when level and vertical direction vibration is restricted to a plurality of buffer blocks 12, avoid centrifugal pump vibration amplitude too big damage, centrifugal pump steady operation gets up the back, a plurality of spring one 2 vertical elastic support buffer plate 3, four angle seats 6 support a plurality of spring two 7, a plurality of spring two 7 carry out four forward and backward and leftward and rightward elastic supports of four to buffer plate 3 through four scute 8, the centrifugal pump is used in a plurality of spring one 2 and a plurality of spring two 7, the cooperation of 5 damping vibration effects of damping vibration damping plate 5 and the damping effect of the centrifugal pump can be carried out the high-speed damping effect and the damping effect of damping effect and the damping effect of the centrifugal pump when making the centrifugal pump to realize the high-speed damping effect of the centrifugal pump steady operation simultaneously, thereby the damping effect of the centrifugal pump.

As shown in fig. 1 to 4, the utility model discloses a centrifugal pump installation base takes precautions against earthquakes, it is at the during operation, at first hoist bottom plate 1 to assigned position and adjustment installation angle through a plurality of rings 14, install bottom plate 1 on the ground, a plurality of bolts pass the mounting bracket fastening spiro union of centrifugal pump in a plurality of mounting holes 13 of two mounting panels 4, later rotate a plurality of screw rods 9 through a plurality of hand wheels 11, adjust the interval between a plurality of buffer blocks 12 and a plurality of scute 8 and the up end of bottom plate 1, then when the centrifugal pump starts, along with the rotational speed of centrifugal pump risees gradually, the centrifugal pump drives the amplitude and the frequency increase of buffer plate 3 vibration, a plurality of spring one 2 vertical elastic support buffer plates 3 of this moment, a plurality of spring two 7 are from four direction horizontal elastic support buffer plates 3 all around, the damping effect of cooperation a plurality of attenuator 5 is cushioned the vertical and horizontal direction's of centrifugal pump shock attenuation, last a plurality of blocks 12 restriction buffer plates 3 is the biggest amplitude of buffer plates 3 when the horizontal and vertical direction vibration, thereby make the safe and stable operation of centrifugal pump can.

The utility model discloses the main function who realizes does:

1. the amplitude and the frequency of the centrifugal pump are reduced through the damper and the limiting mechanism, resonance is avoided, and the safety of the centrifugal pump is improved;

2. the maximum amplitude of vertical vibration and horizontal vibration of the buffer plate 3 and the centrifugal pump is limited through the limiting mechanism, and the safety of the centrifugal pump is improved.

The mounting mode, the connection mode or the setting mode of the shockproof centrifugal pump mounting base of the utility model are common mechanical modes, and the shockproof centrifugal pump mounting base can be implemented as long as the beneficial effects can be achieved; the utility model discloses a spring 2, attenuator 5, spring two 7, screw rod 9, thread bush 10, hand wheel 11, buffer block 12 of centrifugal pump installation base take precautions against earthquakes are purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff creative work in the field of paying out.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A shock-proof centrifugal pump mounting base comprises a base plate (1), a plurality of springs I (2), a buffer plate (3) and two mounting plates (4), wherein the springs I (2) for elastically supporting the buffer plate (3) are mounted on the upper end face of the base plate (1), the buffer plate (3) is mounted on the springs I (2), and the two mounting plates (4) for mounting a centrifugal pump are mounted on the buffer plate (3); the damping mechanism is characterized by further comprising a plurality of dampers (5), a horizontal supporting mechanism and a limiting mechanism, one ends of the dampers (5) are respectively rotatably connected with the side wall of the buffer plate (3), the other ends of the dampers (5) are connected with the base plate (1), the dampers (5) are uniformly arranged on the periphery of the buffer plate (3) in an inclined mode, the damping effect of the dampers (5) enables the vibration amplitude and the frequency of the buffer plate (3) to be reduced, resonance is avoided, the horizontal supporting mechanism is installed on the base plate (1), the horizontal elastic supporting mechanism horizontally supports the four side walls of the buffer plate (3), the limiting mechanism comprises a plurality of horizontal limiting assemblies and a plurality of vertical limiting assemblies, the horizontal limiting assemblies limit the horizontal maximum amplitude of the buffer plate (3), and the vertical limiting assemblies limit the vertical maximum amplitude of the buffer plate (3).

2. A vibration-proof centrifugal pump mounting base as claimed in claim 1, wherein the horizontal support mechanism comprises four corner seats (6), a plurality of springs two (7) and four corner plates (8), each of the corner seats (6) is provided with two vertical plates, the four corner seats (6) are uniformly and vertically mounted on the bottom plate (1) along the circumference, the four corner seats (6) are respectively opposite to four corners of the buffer plate (3), the springs two (7) are respectively mounted on the two vertical plates of the corner seats (6), the other ends of the plurality of springs two (7) are respectively connected with the outer walls of two sides of the four corner plates (8), and the four corner plates (8) are respectively mounted on the four corners of the buffer plate (3).

3. A vibration-proof centrifugal pump mounting base as claimed in claim 2, wherein the limiting mechanism comprises a plurality of horizontal limiting assemblies and a plurality of vertical limiting assemblies, the horizontal limiting assemblies are horizontally mounted on the risers of the four corner seats (6) respectively, a certain gap is arranged between the horizontal limiting assemblies and the four sides of the buffer plate (3) so as to horizontally limit the buffer plate (3), the vertical limiting assemblies are uniformly and vertically mounted on the buffer plate (3), a certain gap is arranged between the vertical limiting assemblies and the bottom plate (1) so as to vertically limit the buffer plate (3), the horizontal limiting assemblies and the vertical limiting assemblies each comprise a screw rod (9), a threaded sleeve (10) and a hand wheel (11), the middle part of the screw rod (9) is rotatably screwed with the threaded sleeve (10), the threaded sleeve (10) is horizontally mounted on the riser of the corner seat (6) or vertically mounted on the buffer plate (3), the hand wheel (11) is mounted on the screw rod (9), and the inner end of the screw rod (9) is close to the corner plate (8) or the bottom plate (1).

4. A vibration-proof centrifugal pump mounting base as claimed in claim 3, further comprising a plurality of buffer blocks (12), the inner ends of the plurality of screws (9) are all provided with the buffer blocks (12), and the buffer blocks (12) are made of hard rubber.

5. A vibration-proof centrifugal pump mounting base as claimed in claim 1, further comprising a plurality of mounting holes (13), wherein a plurality of mounting holes (13) are provided in a matrix on both mounting plates (4).

6. A vibration-proof centrifugal pump mounting base as claimed in claim 1, further comprising a plurality of hanging rings (14), the plurality of hanging rings (14) being mounted on the upper end surface of the base plate (1), the plurality of hanging rings (14) being symmetrically arranged along the front-rear center line and the left-right center line of the base plate (1).

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