CN217354780U

CN217354780U - Compact directly allies oneself with antidetonation formula centrifugal pump

Info

Publication number: CN217354780U
Application number: CN202220332730.1U
Authority: CN
Inventors: 林志强
Original assignee: GUANGDONG SHUNDA MARINE ENGINEERING CO LTD
Current assignee: GUANGDONG SHUNDA MARINE ENGINEERING CO LTD
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-09-02
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a compact directly allies oneself with antidetonation formula centrifugal pump related to centrifugal pump technical field, including the pump body, driving motor and impeller, the last transmission of driving motor installs the main shaft, rotate the installation on the main shaft the impeller, be provided with first sealing member and second sealing member on the main shaft, first sealing member cover is established on the main shaft, the lower extreme of first sealing member with the impeller is near the setting mutually, second sealing member cover is established on the first sealing member, the second sealing member is installed through setting up the connecting piece in the pump body, through such mode, can improve whole centrifugal pump's job stabilization nature and work efficiency, the sound construction is simple moreover, and it is very convenient to use.

Description

Compact directly allies oneself with antidetonation formula centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a compact antithetical couplet antidetonation formula centrifugal pump.

Background

The centrifugal pump operates on the principle that the centrifugal force generated by the rotation of the impeller is mainly used for subsequent operations.

The existing centrifugal pump still has certain structural defects, thereby affecting the performance of the whole centrifugal pump, such as: the connection mode between motor shaft and the pump shaft is not adopting coaxial mode to connect to increased axial size, lead to the cantilever length of axle to increase, the amplitude of fluctuation increases, influences the stability of water pump work, receives external factor's interference easily.

Therefore, a solution is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact antithetical couplet antidetonation formula centrifugal pump improves the job stabilization nature and the work efficiency of whole centrifugal pump, and sound construction is simple moreover, and it is very convenient to use.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a compact directly allies oneself with antidetonation formula centrifugal pump, includes the pump body, driving motor and impeller, driving motor goes up the transmission and installs the main shaft, rotate the installation on the main shaft the impeller, be provided with first sealing member and second sealing member on the main shaft, first sealing member cover is established on the main shaft, the lower extreme of first sealing member with the impeller is close to the setting mutually, the second sealing member cover is established on the first sealing member, the second sealing member is installed through setting up the connecting piece in the pump body.

Furthermore, an exhaust pipeline is further arranged on the second sealing element and communicated with the interior of the pump body, and an exhaust valve is connected to one end of the exhaust pipeline.

Further, the exhaust duct is arc-shaped.

Further, a mounting plate is arranged at a position where the pump body is close to the driving motor, a third sealing element is mounted on the mounting plate, and the third sealing element is sleeved on the first sealing element.

Further, a shock absorber is arranged between the pump body and the driving motor.

Further, be close to in the pump body be provided with the stator in the position of impeller, the stator with be provided with the bolster between the pump body.

Further, the buffer piece is a rubber column.

Further, the connecting piece is a bolt.

Further, the first seal is a bushing.

The utility model discloses a compact antithetical couplet antidetonation formula centrifugal pump, its beneficial effect is: the spindle is arranged on the driving motor in a transmission manner, so that a motor shaft on the spindle and the driving motor are coaxial to form a direct connection type structure, the axial size is effectively shortened, the length of a cantilever of the spindle is reduced, the shaft swing can be reduced, the spindle is enabled to rotate more stably, the swing amplitude is reduced, the running of the water pump is enabled to be more stable, and the working stability of the water pump is effectively improved; in addition, the first sealing element and the second sealing element arranged on the main shaft can further enhance the stability of the main shaft, and effectively solve the defects in the background technology.

Drawings

FIG. 1 is a schematic view of the internal structure of a compact direct-coupled anti-vibration centrifugal pump;

fig. 2 is an external structural schematic diagram of the compact direct connection anti-vibration centrifugal pump.

Detailed Description

The compact direct-connection anti-seismic centrifugal pump of the present invention is described with reference to the accompanying drawings.

As shown in fig. 1 to 2, as a preferred embodiment of the present invention:

the utility model provides a compact directly allies oneself with antidetonation formula centrifugal pump, includes the pump body 1, driving motor 2 and impeller 3, the transmission is installed on driving motor 2 has main shaft 4, rotate the installation on the main shaft 4 impeller 3, be provided with first sealing member 5 and second sealing member 6 on the

main shaft

4, 5 covers of first sealing member are established on the main shaft 4, the lower extreme of first sealing member 5 with impeller 3 is close to the setting mutually, 6 covers of second sealing member are established on the

first sealing member

5, 6 through setting up connecting piece 7 installs in the pump body 1.

The first sealing element 5 and the second sealing element 6 are arranged at the position of the main shaft 4, so that the sealing performance of the main shaft 4 can be improved, and the stability of the main shaft 4 rotating on the driving motor 2 can be improved, the working stability of the whole centrifugal pump is enhanced, and the defects in the background art are overcome.

Preferably, the connecting member 7 is a bolt.

Preferably, the first seal 5 is a bushing.

An exhaust pipeline 8 is further formed in the second sealing element 6, the exhaust pipeline 8 is communicated with the interior of the pump body 1, and an exhaust valve 9 is connected to one end of the exhaust pipeline 8. Through the setting of exhaust duct 8 and discharge valve 9, can take the air in the pump body 1 out for the efficiency of the interior pumped air of the pump body 1 accelerates the water feeding speed of centrifugal pump, effectively improves holistic work efficiency.

In order to make the arrangement of the exhaust duct 8 on the second seal 6 easier and to facilitate the installation and maintenance of the exhaust valve 9, said exhaust duct 8 is curved.

The pump body 1 is provided with mounting panel 10 on the position that is close to with driving motor 2, install third sealing member 11 on the mounting panel 10, third sealing member 11 cover is established on the first sealing member 5.

Specifically, the third seal 11 is sleeved over the first seal 5 and disposed adjacent to the mounting plate 10.

The mounting plate 10 is mainly provided to adapt the mounting connection between the pump body 1 and the driving motor 2, and the third sealing member 11 is mainly installed to further improve the sealing performance of the spindle 4 and reduce the swing amplitude of the spindle 4 during rotation.

In order to reduce the vibration of the pump body 1 when the centrifugal pump works and improve the working stability, a shock absorber 12 is also arranged between the pump body 1 and the driving motor 2.

Thereby vibrations that take place in order to reduce the impact of the water that impeller 3 threw away to stator 13, be close to in the pump body 1 be provided with stator 13 in impeller 3's the position, stator 13 with be provided with bolster 14 between the pump body 1, the setting of bolster 14 can effectively cushion the above-mentioned influence that brings of assaulting, improve stability.

Preferably, the buffer 14 is a rubber column.

The utility model discloses a compact antithetical couplet antidetonation formula centrifugal pump, its beneficial effect is: the spindle 4 is arranged on the driving motor 2 in a transmission manner, so that a motor shaft on the spindle 4 and a motor shaft on the driving motor 2 are coaxial to form a direct-coupled structure, the axial size is effectively shortened, the length of a cantilever of the spindle 4 is reduced, the swing of the shaft can be reduced, the spindle 4 is enabled to rotate more stably, the swing amplitude is reduced, the running of the water pump is enabled to be more stable, and the working stability of the water pump is effectively improved; in addition, the first sealing element 5 and the second sealing element 6 arranged on the main shaft 4 can further enhance the stability of the main shaft 4, and effectively solve the defects in the background art.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims

1. The utility model provides a compact directly allies oneself with antidetonation formula centrifugal pump, includes the pump body, driving motor and impeller, driving motor goes up the transmission and installs the main shaft, rotate the installation on the main shaft the impeller, its characterized in that, be provided with first sealing member and second sealing member on the main shaft, first sealing member cover is established on the main shaft, the lower extreme of first sealing member with the impeller is close to the setting mutually, the second sealing member cover is established on the first sealing member, the second sealing member is installed through setting up the connecting piece in the pump body.

2. The compact direct-connection anti-seismic centrifugal pump according to claim 1, wherein an exhaust duct is further formed in the second sealing member, the exhaust duct is communicated with the interior of the pump body, and an exhaust valve is connected to one end of the exhaust duct.

3. The compact, direct-coupled, anti-seismic centrifugal pump of claim 2, wherein the exhaust duct is arcuate.

4. The compact direct-connection anti-seismic centrifugal pump according to claim 1, wherein a mounting plate is arranged at a position where the pump body is close to the drive motor, a third sealing element is mounted on the mounting plate, and the third sealing element is sleeved on the first sealing element.

5. The compact direct-coupled anti-vibration centrifugal pump according to claim 1, wherein a shock absorber is further provided between the pump body and the drive motor.

6. The compact direct-connection anti-seismic centrifugal pump according to claim 1, wherein a guide vane is arranged at a position close to the impeller in the pump body, and a buffer member is arranged between the guide vane and the pump body.

7. The compact direct-coupled anti-seismic centrifugal pump of claim 6, wherein the buffer is a rubber column.

8. The compact direct-coupled anti-seismic centrifugal pump of claim 1, wherein the connection members are bolts.

9. The compact, direct-coupled, anti-vibration centrifugal pump of claim 1, wherein the first seal is a bushing.