CN213205985U - Self-balancing multistage centrifugal pump - Google Patents
Self-balancing multistage centrifugal pump Download PDFInfo
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- CN213205985U CN213205985U CN202021378929.5U CN202021378929U CN213205985U CN 213205985 U CN213205985 U CN 213205985U CN 202021378929 U CN202021378929 U CN 202021378929U CN 213205985 U CN213205985 U CN 213205985U
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Abstract
The utility model provides a self-balancing multistage centrifugal pump, includes motor and centrifugal pump body, is fixed with a plurality of columniform recesses on the centrifugal pump body, the inside of a plurality of recesses all is equipped with the columniform and changes the piece, and the inside of a plurality of recesses has a plurality of damping spring and is located between the lateral wall of changeing piece and recess along the axis circumference array distribution of recess, all rotates the axis that is connected with lead screw and lead screw on a plurality of commentaries on classics pieces and the axis of changeing the piece sets up perpendicularly, and the below of centrifugal pump body is equipped with and rotates in backup pad and the backup pad and installs a plurality of first. Can carry out vertical and horizontal conversion to the centrifugal pump according to the needs of actual work, improve the result of use of centrifugal pump to have good stability and shock attenuation effect, improve the life of centrifugal pump.
Description
Technical Field
The utility model relates to a pipeline valve equipment technical field especially relates to a self-balancing multistage centrifugal pump.
Background
The high-efficiency energy-saving product self-balancing multistage pump is an industry aiming at meeting the needs of users and accelerating the technical development of high-pressure multistage pumps, adopts the advanced technology of foreign similar products combined with years of design experience of the water pump industry, uses a hydraulic model of a high-efficiency energy-saving product recommended by the state, realizes the self-circulation of media, effectively solves the problem of cooling of the connection and disconnection seal of a high-temperature high-pressure pump, prolongs the service life of a mechanical seal, greatly improves the reliability, has the fault-free running time more than 3 times that of a common pump, and greatly reduces the maintenance cost of users, thereby reducing the life cycle cost of the pump. However, the existing self-balancing multistage centrifugal pump has a single fixing mode when in use, so that the use effect is influenced because the fixing mode cannot be adjusted according to actual conditions in the use process. And when using, do not have corresponding shock-absorbing function, have self-vibrating when causing self-balancing multistage centrifugal pump to use, cause the life reduction of the pump body.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model aims at providing a self-balancing multistage centrifugal pump, can carry out the adjustment between horizontal and the vertical to the centrifugal pump according to actual conditions to adapt to different operational environment, have absorbing effect, improved the result of use of the pump body.
The solution is that the self-balancing multistage centrifugal pump comprises a motor and a centrifugal pump body, the motor and the centrifugal pump body are fixedly connected, a plurality of cylindrical grooves are fixed on the centrifugal pump body, the plurality of grooves are internally provided with cylindrical rotating blocks which are coaxially arranged with the grooves, a plurality of damping springs are distributed in the grooves along the circumferential array of the axis of the grooves and are positioned between the rotating block and the side walls of the grooves, the two ends of the damping springs are respectively and fixedly connected with the rotating blocks and the grooves, the rotating blocks are respectively and rotatably connected with a lead screw, the axis of the lead screw is vertical to the axis of the rotating block, a supporting plate is arranged below the centrifugal pump body, a plurality of first thread cylinders are rotatably arranged on the supporting plate, the number and the positions of the first threaded cylinders correspond to those of the lead screws one by one, and the lead screws are respectively in threaded fit with the corresponding first threaded cylinders.
Preferably, the number of the grooves and the lead screws is two, and the two grooves are respectively positioned on two sides of the centrifugal pump body.
Preferably, be equipped with two first sleeves and two first telescopic inside on motor and the centrifugal pump body and all be equipped with first baffle, first baffle all is fixed with first supporting spring with first sleeve inside, one of two first baffles deviates from first supporting spring serves and is equipped with two supporting screw, be equipped with two supporting screw section of thick bamboos and two supporting screw and can with supporting screw thread between the section of thick bamboo in the backup pad and screw-thread fit.
Preferably, the motor is kept away from to the centrifugal pump body one and serves and be fixed with the roof, be equipped with two second sleeves and two telescopic inside of second on the roof and all be equipped with the second baffle, second baffle and the inside second supporting spring that all is fixed with of second sleeve, two second baffles serve and are equipped with two supporting screw rods that are equipped with that one that deviates from second supporting spring, two supporting screw rods can and supporting screw thread between the section of thick bamboo.
Preferably, the inside of backup pad is equipped with the inside rotation of cavity and installs first bull stick and second bull stick, the one end that first bull stick and second bull stick subtend mutually all stretches out backup pad and first bull stick and second bull stick and stretch out one of backup pad and all be fixed with the commentaries on classics handle, the backup pad is equipped with first spout and second spout and first spout and second spout all and cavity intercommunication in the one side towards the centrifugal pump body, on first bull stick and the second bull stick respectively screw-thread fit have first slider and second slider and first slider and second slider respectively with first spout and second spout between sliding fit, two support thread cylinders are fixed respectively on first slider and second slider.
The utility model has the advantages that: can make the centrifugal pump can change at any time between vertical and horizontal when using to make it can adapt to different operational environment, improve the result of use of centrifugal pump. Can carry out absorbing effect to the centrifugal pump when using, carry out the shock attenuation jointly through the structure of a plurality of springs, further improvement the result of use of centrifugal pump, increase the life of centrifugal pump.
Drawings
Fig. 1 is a schematic view of the horizontal structure of the present invention.
Fig. 2 is a schematic view of the vertical structure of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a self-balancing multistage centrifugal pump comprises a motor 1 and a centrifugal pump body 2, and is characterized in that the motor 1 and the centrifugal pump body 2 are fixedly connected, a plurality of cylindrical grooves 15 are fixed on the centrifugal pump body 2, cylindrical rotating blocks 17 are arranged inside the grooves 15, the rotating blocks 17 and the grooves 15 are coaxially arranged, a plurality of damping springs 16 are distributed inside the grooves 15 along the circumferential array of the axis of the grooves 15 and are positioned between the rotating blocks 17 and the side walls of the grooves 15, two ends of each damping spring 16 are respectively and fixedly connected with the rotating blocks 17 and the grooves 15, a lead screw 14 is rotatably connected on each rotating block 17, the axis of the lead screw 14 is perpendicular to the axis of the rotating blocks 17, a support plate 3 is arranged below the centrifugal pump body 2, and a plurality of first threaded cylinders 13 are rotatably mounted on the support plate 3, the number and the positions of the first threaded cylinders 13 correspond to those of the lead screws 14 one by one, and the lead screws 14 are in threaded fit with the corresponding first threaded cylinders 13 respectively.
This device is when using, at first place the position that needs work with this device, support centrifugal pump body 2 through a plurality of screw rods this moment, be equipped with a plurality of recesses 15 on centrifugal pump body 2, the inside of recess 15 is equipped with a plurality of damping spring 16, arrange a plurality of damping spring 16 circumference array, make the commentaries on classics piece 17 be in the state of activity all the time under a plurality of damping spring 16's effect, and can be fine carry out the shock attenuation to centrifugal pump body 2, reduce 2 vibrations of centrifugal pump body and to its self harm, the life of centrifugal pump is improved. Through the screw-thread fit between the lead screw 14 and the first thread barrel 13, the adjustment of the distance between the centrifugal pump body 2 and the support plate 3 is realized, so that the centrifugal pump body 2 can be always in contact with the support plate 3, the support plate 3 can support the centrifugal pump body 2, and the centrifugal pump at the moment is in a horizontal state. When horizontal state can't work, can rotate first screw thread section of thick bamboo 13 for the interval between centrifugal pump body 2 and the backup pad 3 increases, then rotates centrifugal pump body 2, makes centrifugal pump body 2 can be to reaching vertical state, adjusting the interval, makes contact between centrifugal pump body 2 and the backup pad 3. The realization is to the conversion between vertical and the horizontal of centrifugal pump, can adapt to different operational environment, and the result of use is better, when the centrifugal pump carries out work, can carry out the shock attenuation to the centrifugal pump through damping spring 16's effect to improve the life of centrifugal pump.
The number of the grooves 15 and the lead screws 14 is two, and the two grooves 15 are respectively positioned on two sides of the centrifugal pump body 2.
The number of the lead screws 14 is limited, and the two lead screws 14 can not only support the centrifugal pump, but also reduce the manufacturing cost of the device and further improve the use effect of the device.
The utility model discloses a centrifugal pump, including motor 1 and centrifugal pump body 2, be equipped with two first sleeves 7 and the inside of two first sleeves 7 and all be equipped with first baffle 9 on the motor 1 and the centrifugal pump body 2, first baffle 9 all is fixed with first supporting spring 8 with first sleeve 7 is inside, two first baffles 9 serve two supporting screw rods 10 that are equipped with that to deviate from first supporting spring 8, be equipped with two supporting screw thread section of thick bamboo 22 and two supporting screw rods 10 in the backup pad 3 and can with supporting screw thread section of thick bamboo between 22 screw-thread fit.
For the more stable when the device uses, set up first sleeve 7 on centrifugal pump body 2 and motor 1 to there is the connection between the backup pad 3 through supporting lead screw 10, will support lead screw 10 and rotate when using, make it and the contact of first baffle, thereby make centrifugal pump body 2 the shock attenuation effect increase when using, thereby further increase the life of device. And the effect of supporting the centrifugal pump body 2 can be controlled by rotating the supporting screw rod 10.
One of the centrifugal pump body 2 that keeps away from motor 1 is served and is fixed with roof 21, the inside that is equipped with two second sleeves 18 and two second sleeves 18 on the roof 21 all is equipped with second baffle 20, second baffle 20 all is fixed with second supporting spring 19 with second sleeve 18 is inside, two second baffles 20 are served and are equipped with two support screw rods that deviate from one of second supporting spring 19, two support screw rods 10 can with support screw thread between the threaded sleeve 22 screw-thread fit.
In order to ensure that the centrifugal pump also has stability when being used in a vertical mode, the top plate 21 is fixed on the centrifugal pump body 2, the two second sleeves 18 are arranged on the top plate 21, the centrifugal pump is the same as a horizontal operation when being used, the supporting screw rod 10 is in contact with the two second baffles 20 to realize the support of the centrifugal pump, and the second supporting spring 19 is used for realizing the damping of the centrifugal pump, so that the centrifugal pump can have stability no matter the centrifugal pump is used in a horizontal mode or a vertical mode, and the using effect is improved.
The inside of backup pad 3 is equipped with cavity 4 and the inside rotation of cavity 4 installs first bull stick 5 and second bull stick 23, the one end that first bull stick 5 and second bull stick 23 subtend mutually all stretches out backup pad 3 and first bull stick 5 and second bull stick 23 stretch out backup pad 3 one and serve and all be fixed with commentaries on classics handle 12, backup pad 3 is equipped with first spout 6 and second spout 24 and first spout 6 and second spout 24 all communicate with cavity 4 in the one side towards centrifugal pump body 2, respectively screw-thread fit has first slider 11 and second slider 25 and first slider 11 and second slider 25 respectively and first spout 6 and second spout 24 between sliding fit on first bull stick 5 and the second bull stick 23, two support screw thread section of thick bamboo 22 and fix respectively on first slider 11 and second slider 25.
When the centrifugal pump is used for switching between a horizontal type and a vertical type, the distance between the two first sleeves 7 and the two second sleeves 18 is changed, in order to be more convenient to use, the first rotating rod 5 and the second rotating rod 23 are rotatably installed in the cavity 4 inside the supporting plate 3, the positions of the two supporting threaded cylinders 22 are changed through the sliding of the first sliding blocks 11 and the second sliding blocks 25, only the rotating handle 12 needs to be rotated during use, the rotating rods rotate, and the positions of the rotating rods and the sliding blocks are changed through threaded matching between the rotating rods and the sliding blocks, so that the centrifugal pump can be adjusted according to different vertical and horizontal distances, and the using effect of the centrifugal pump is further improved.
The utility model has the advantages that: can make the centrifugal pump can change at any time between vertical and horizontal when using to make it can adapt to different operational environment, improve the result of use of centrifugal pump. Can carry out absorbing effect to the centrifugal pump when using, carry out the shock attenuation jointly through the structure of a plurality of springs, further improvement the result of use of centrifugal pump, increase the life of centrifugal pump.
The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.
Claims (5)
1. A self-balancing multistage centrifugal pump comprises a motor (1) and a centrifugal pump body (2) and is characterized in that the motor (1) is fixedly connected with the centrifugal pump body (2) and a plurality of cylindrical grooves (15) are fixed on the centrifugal pump body (2), cylindrical rotating blocks (17) are arranged inside the grooves (15) and coaxial lines are arranged between the rotating blocks (17) and the grooves (15), a plurality of damping springs (16) are distributed inside the grooves (15) along the circumferential array of the axis of the grooves (15) and are positioned between the rotating blocks (17) and the side walls of the grooves (15), two ends of the damping springs (16) are fixedly connected with the rotating blocks (17) and the grooves (15) respectively, the rotating blocks (17) are rotatably connected with a lead screw (14), the axis of the lead screw (14) is perpendicular to the axis of the rotating blocks (17), the centrifugal pump is characterized in that a supporting plate (3) is arranged below the centrifugal pump body (2), a plurality of first threaded cylinders (13) are rotatably arranged on the supporting plate (3), the number and the positions of the first threaded cylinders (13) are in one-to-one correspondence with the number and the positions of the lead screws (14), and the lead screws (14) are respectively in threaded fit with the corresponding first threaded cylinders (13).
2. A self-balancing multistage centrifugal pump according to claim 1, wherein the number of the grooves (15) and the number of the lead screws (14) are two and the two grooves (15) are respectively located on both sides of the centrifugal pump body (2).
3. The self-balancing multistage centrifugal pump of claim 1, characterized in that two first sleeves (7) are arranged on the motor (1) and the centrifugal pump body (2) and first baffles (9) are arranged inside the two first sleeves (7), first support springs (8) are fixed inside the first baffles (9) and the first sleeves (7), two support lead screws (10) are arranged on one ends of the two first baffles (9) departing from the first support springs (8), two support threaded cylinders (22) are arranged on the support plate (3), and the two support lead screws (10) can be in threaded fit with the support threaded cylinders (22).
4. The self-balancing multistage centrifugal pump of claim 1, characterized in that a top plate (21) is fixed on one end of the centrifugal pump body (2) far away from the motor (1), two second sleeves (18) are arranged on the top plate (21), second baffles (20) are arranged inside the two second sleeves (18), second support springs (19) are fixed inside the second baffles (20) and the second sleeves (18), two support screw rods are arranged on one ends of the two second baffles (20) far away from the second support springs (19), and the two support screw rods (10) can be in threaded fit with the support screw sleeves (22).
5. The self-balancing multistage centrifugal pump according to claim 4, characterized in that the cavity (4) is arranged inside the support plate (3) and the first rotating rod (5) and the second rotating rod (23) are rotatably arranged inside the cavity (4), the opposite ends of the first rotating rod (5) and the second rotating rod (23) extend out of the support plate (3), the ends of the first rotating rod (5) and the second rotating rod (23) extending out of the support plate (3) are respectively fixed with a rotating handle (12), one surface of the support plate (3) facing the centrifugal pump body (2) is provided with a first sliding chute (6) and a second sliding chute (24), the first sliding chute (6) and the second sliding chute (24) are respectively communicated with the cavity (4), the first rotating rod (5) and the second rotating rod (23) are respectively in threaded fit with a first sliding block (11) and a second sliding block (25), and the first sliding block (11) and the second sliding block (25) are respectively in sliding fit with the first sliding chute (6) and the second sliding chute (24) And the two supporting threaded cylinders (22) are respectively fixed on the first sliding block (11) and the second sliding block (25) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378929.5U CN213205985U (en) | 2020-07-14 | 2020-07-14 | Self-balancing multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378929.5U CN213205985U (en) | 2020-07-14 | 2020-07-14 | Self-balancing multistage centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN213205985U true CN213205985U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021378929.5U Active CN213205985U (en) | 2020-07-14 | 2020-07-14 | Self-balancing multistage centrifugal pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309705A (en) * | 2021-06-07 | 2021-08-27 | 安徽卧龙泵阀股份有限公司 | Spliced self-balancing horizontal stainless steel pump and using method thereof |
-
2020
- 2020-07-14 CN CN202021378929.5U patent/CN213205985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309705A (en) * | 2021-06-07 | 2021-08-27 | 安徽卧龙泵阀股份有限公司 | Spliced self-balancing horizontal stainless steel pump and using method thereof |
| CN113309705B (en) * | 2021-06-07 | 2023-09-19 | 安徽卧龙泵阀股份有限公司 | Spliced self-balancing horizontal stainless steel pump and application method thereof |
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