CN215521301U

CN215521301U - High-efficient vortex of low noise type decides lift pump

Info

Publication number: CN215521301U
Application number: CN202121393956.4U
Authority: CN
Inventors: 陈金平; 王建国; 袁霄; 于祥; 马骏
Original assignee: Jiangsu Zhenhua Haike Equipment Technology Co Ltd
Current assignee: Jiangsu Zhenhua Haike Equipment Technology Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a low-noise high-efficiency vortex fixed-lift pump, which relates to the field of lift pumps and comprises a volute, an impeller, a connecting structure, a motor and a fixing device, wherein the volute comprises a shell, a rotating shaft is arranged on the surface of one side of a body, the surface of one side of an extended shaft is connected with the surface of one side of the rotating shaft, mounting holes are formed in the surface of one side of a linked shaft and the surface of one side of a connecting ring, and a plurality of mounting holes are connected with the extended shaft. The utility model relates to a low-noise high-efficiency vortex fixed-lift pump, wherein a body drives an extension shaft to rotate, under the action of a specially designed main blade, liquid forms a vortex ring between a wheel disc and the inner wall of a shell, one part of liquid enters a water outlet pipe through the throat part of the shell along the tangential direction, and the other part of liquid continuously enters each main blade for multiple times in a spiral vortex mode to increase energy, so that the function of constant-pressure high-lift is achieved, the overall efficiency of a pump set is improved, and meanwhile, a hump curve of a small-flow working condition is avoided.

Description

High-efficient vortex of low noise type decides lift pump

Technical Field

The utility model relates to the field of lift pumps, in particular to a low-noise efficient vortex fixed-lift pump.

Background

The water supply of the fire pump set cannot be opened in industrial and civil buildings and fixed fire systems of ships, and the pump set is required to have the characteristics of fixed lift, high efficiency and reliability. The constant-pressure tangent pump is adopted as a fire pump in the market at present, the main difference between the high-efficiency vortex fixed-lift pump and the conventional constant-pressure tangent pump is that the design of a hydraulic model is different, the main blade and the back blade of the impeller of the conventional constant-pressure tangent pump are both in a straight plate type in which the center of the impeller is in radiation mounting, and the inner starting point of the main blade is the inlet of the impeller.

Although the constant-pressure tangent pump can basically realize the function of fixed lift, the defects of low efficiency and high noise of the constant-pressure tangent pump always plague manufacturers and customers, and the hump curve of the constant-pressure tangent pump influences the popularization and the application of the pump set with the structure, so that the low-noise type efficient vortex fixed lift pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a low-noise high-efficiency vortex fixed-lift pump which can effectively solve the problems of low efficiency and high noise in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: a low-noise high-efficiency vortex fixed-lift pump comprises a volute, an impeller, a connecting structure, a motor and a fixing device, wherein the volute comprises a shell, the impeller comprises a wheel disc and a linkage shaft, a through hole is formed in one side surface of the wheel disc, the linkage shaft is connected with the through hole, the linkage shaft is in rotating fit with the through hole, the connecting structure comprises a connecting ring, a first connecting shell and a second connecting shell, the motor comprises a body and a lengthened shaft, a rotating shaft is arranged on one side surface of the body, one side surface of the lengthened shaft is connected with one side surface of the rotating shaft, mounting holes are formed in one side surface of the linkage shaft and one side surface of the connecting ring, the mounting holes are connected with the lengthened shaft, the fixing device comprises a second fixing bolt and a third fixing bolt, and first screw holes are formed in one side surface of the connecting ring and one side surface of the first connecting shell, a plurality of third fixing bolt is connected with a plurality of first screws respectively, and is a plurality of third fixing bolt is respectively with a plurality of first screw rotary fit, first connection shell side surface and second connection shell side surface all are equipped with the second screw, and are a plurality of second fixing bolt is connected with a plurality of second screws respectively, and is a plurality of second fixing bolt is respectively with a plurality of second screw rotary fit, and the casing is used for protecting main blade and vice blade, and go-between, first connection shell and second connection shell are used for helping the body heat dissipation, and the body drive adds the major axis rotation to make the device operation.

Preferably, the spiral case still includes inlet tube and outlet pipe, inlet tube one end and outlet pipe one end all are connected with casing one side surface, and the inlet tube is connected with the water source, discharges through the outlet pipe behind the device.

Preferably, the impeller further comprises a plurality of main blades and auxiliary blades, one side surface of each main blade and one side surface of each auxiliary blade are connected with the outer surface of the linkage shaft, the main blades are uniformly distributed in the circumferential direction, the water inlet flow state of the device can be improved by adjusting the working surface of each main blade and the radiation center to be increased, the cavitation performance and efficiency of the device are facilitated, the auxiliary blades are used for balancing the axial force pointing to the inlet direction of the water inlet pipe, and the length and the height of each auxiliary blade are designed according to the balance force.

Preferably, the connection structure further comprises a connection disc, a side surface of the connection disc is connected with a side surface of the connection ring, and the connection disc is used as a partition plate for separating the water flow from the body.

Preferably, the motor further comprises a base, wherein one side surface of the base is connected with one side surface of the body, and the base is used for fixing the device on a certain fixing surface.

Preferably, the fixing device further comprises a first fixing bolt and a moving ring, a plurality of third screw holes are formed in one side surface of the shell, the first fixing bolt is connected with the third screw holes respectively, the first fixing bolt is in rotating fit with the third screw holes respectively, one side surface of the moving ring is connected with the outer surface of the second connecting shell, the first fixing bolt is used for reinforcing the device and preventing water leakage, and the moving ring helps a worker to move the device.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through arranging the main blades and the auxiliary blades, under the action of the specially designed main blades, liquid forms a vortex ring between the wheel disc and the inner wall of the shell, part of the liquid continuously enters the space between the main blades for multiple times in a spiral vortex mode to increase energy, so that the function of constant pressure and high lift is achieved, the auxiliary blades are used for balancing the axial force pointing to the inlet direction of the water inlet pipe, and the length and the height of the auxiliary blades are designed according to the size of the balancing force.

According to the utility model, the linkage shaft and the lengthened shaft are arranged, and the linkage shaft is driven to rotate through the body, so that the lengthened shaft is driven to rotate, and the device starts to operate.

Drawings

FIG. 1 is a schematic view of the overall external structure of a low-noise high-efficiency vortex fixed-lift pump according to the present invention;

FIG. 2 is a schematic view of the internal cross-sectional structure of a low-noise high-efficiency vortex fixed-lift pump according to the present invention;

FIG. 3 is a schematic view of the impeller structure of a low-noise high-efficiency vortex fixed-lift pump according to the present invention;

fig. 4 is a schematic external top view of a low-noise high-efficiency vortex fixed-lift pump according to the present invention.

In the figure: 100. a volute; 110. a water inlet pipe; 120. a water outlet pipe; 130. a housing; 200. an impeller; 210. a wheel disc; 220. a linkage shaft; 230. a main blade; 240. a secondary blade; 300. a connecting structure; 310. connecting the disks; 320. a connecting ring; 330. a first connecting shell; 340. a second connection housing; 400. a motor; 410. a body; 420. lengthening a shaft; 430. a base; 500. a fixing device; 510. a first fixing bolt; 520. a second fixing bolt; 530. a third fixing bolt; 540. the ring is moved.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention is a low-noise high-efficiency vortex fixed-lift pump, including a volute 100, an impeller 200, a connection structure 300, a motor 400, and a fixing device 500, wherein the volute 100 includes a housing 130, the impeller 200 includes a wheel disc 210 and a coupling shaft 220, a through hole is formed on a side surface of the wheel disc 210, the coupling shaft 220 is connected to the through hole, the coupling shaft 220 is rotatably engaged with the through hole, the connection structure 300 includes a connection ring 320, a first connection housing 330, and a second connection housing 340, the motor 400 includes a body 410 and an extension shaft 420, a rotation shaft is formed on a side surface of the body 410, a side surface of the extension shaft 420 is connected to a side surface of the rotation shaft, mounting holes are formed on a side surface of the coupling shaft 220 and a side surface of the connection ring 320, the mounting holes are connected to the extension shaft 420, the fixing device 500 includes a second fixing bolt 520 and a third fixing bolt 530, a first screw hole is formed on a side surface of the connection ring 320 and a side surface of the first connection housing 330, the plurality of third fixing bolts 530 are respectively connected with the plurality of first screw holes, the plurality of third fixing bolts 530 are respectively rotatably engaged with the plurality of first screw holes, a second screw hole is formed in one side surface of the first connection housing 330 and one side surface of the second connection housing 340, the plurality of second fixing bolts 520 are respectively connected with the plurality of second screw holes, the plurality of second fixing bolts 520 are respectively rotatably engaged with the plurality of second screw holes, the housing 130 is used for protecting the main blade 230 and the auxiliary blade 240, the connection ring 320, the first connection housing 330 and the second connection housing 340 are used for helping the body 410 to dissipate heat, and the body 410 drives the extension shaft 420 to rotate, so that the device operates.

Further, the scroll casing 100 further includes a water inlet pipe 110 and a water outlet pipe 120, one end of the water inlet pipe 110 and one end of the water outlet pipe 120 are both connected to one side surface of the casing 130, the water inlet pipe 110 is connected to a water source, and the water is discharged through the water outlet pipe 120 after passing through the apparatus.

Further, the impeller 200 further includes main blades 230 and auxiliary blades 240, a side surface of each of the main blades 230 and a side surface of each of the auxiliary blades 240 are connected to an outer surface of the coupling shaft 220, the main blades 230 are uniformly distributed in a circumferential direction, a water inlet flow pattern of the device can be improved by adjusting a working surface of the main blades 230 and a radiation center to be increased, cavitation performance and efficiency of the device are facilitated, the auxiliary blades 240 serve to balance an axial force directed to an inlet direction of the water inlet pipe 110, and a length and a height of the auxiliary blades 240 are designed according to the balance force.

Further, the connection structure 300 further includes a connection disk 310, a side surface of the connection disk 310 is connected to a side surface of the connection ring 320, and the connection disk 310 serves as a partition for partitioning the water flow from the body 410.

Further, the motor 400 further includes a base 430, a side surface of the base 430 is connected to a side surface of the body 410, and the base 430 is used to fix the device on a fixed surface.

Further, the fixing device 500 further includes a first fixing bolt 510 and a moving ring 540, a plurality of third screw holes are formed in a side surface of the housing 130, the plurality of first fixing bolts 510 are respectively connected with the plurality of third screw holes, the plurality of first fixing bolts 510 are respectively in rotating fit with the plurality of third screw holes, a side surface of the moving ring 540 is connected with the outer surface of the second connecting shell 340, the first fixing bolts 510 are used for reinforcing the device to prevent water leakage, and the moving ring 540 helps a worker to move the device.

The working principle of the utility model is as follows:

referring to fig. 1-4, the present invention is a low-noise high-efficiency vortex fixed-lift pump, wherein the model of the body 410 is YE2-132S1-2, the body 410 drives the extension shaft 420 to rotate, the main blade 230 and the auxiliary blade 240 are rotated by the coupling shaft 220, under the action of the specially designed main blade 230, the liquid forms a vortex ring between the wheel disc 210 and the inner wall of the casing 130, a part of the liquid enters the water outlet pipe 120 through the throat of the casing 130 along the tangential direction, another part of the liquid continues to enter the main blades 230 for multiple times in a spiral vortex type to increase energy, so as to achieve the function of constant-pressure high lift, the constant-pressure fire pump considers the power configuration, generally sets a cutoff point by limiting the size of the water outlet pipe 120 after the rated flow, once the vortex fixed-lift pump flow exceeds the critical point, the device generates cavitation, the lift drops rapidly, prevent under the fixed-lift condition, body 410 power increases and the overload along with the flow increase, the circular operation so of device, finally reach the fixed-lift, the fire control operating mode of variable flow, novel high-efficient main blade 230 and the auxiliary vane 240 of deciding the lift have not only improved the flow state of liquid in the constant voltage fire pump runner and the 130 intracavity of casing, and reduced the import leakage quantity of pump package, thereby the energy loss and the noise of centrifugal pump have been reduced, the overall efficiency of pump package has been improved, the production of low discharge operating mode hump curve has also been avoided simultaneously.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient vortex of low noise type pump with fixed head which characterized in that: the spiral case comprises a spiral case (100), an impeller (200), a connecting structure (300), a motor (400) and a fixing device (500), wherein the spiral case (100) comprises a case body (130), the impeller (200) comprises a wheel disc (210) and a linkage shaft (220), a through hole is formed in one side surface of the wheel disc (210), the linkage shaft (220) is connected with the through hole, the linkage shaft (220) is in rotating fit with the through hole, the connecting structure (300) comprises a connecting ring (320), a first connecting shell (330) and a second connecting shell (340), the motor (400) comprises a body (410) and an extension shaft (420), a rotating shaft is arranged on one side surface of the body (410), one side surface of the extension shaft (420) is connected with one side surface of the rotating shaft, mounting holes are formed in one side surface of the linkage shaft (220) and one side surface of the connecting ring (320), and are connected with the extension shaft (420), fixing device (500) includes second fixing bolt (520) and third fixing bolt (530), go up ring (320) side surface and first connecting shell (330) side surface all are equipped with first screw, and are a plurality of third fixing bolt (530) are connected with a plurality of first screws respectively, and are a plurality of third fixing bolt (530) respectively with a plurality of first screw normal running fit, first connecting shell (330) side surface and second connecting shell (340) side surface all are equipped with the second screw, and are a plurality of second fixing bolt (520) are connected with a plurality of second screws respectively, and are a plurality of second fixing bolt (520) respectively with a plurality of second screw normal running fit.

2. A low noise high efficiency vortex fixed head pump according to claim 1, wherein: the volute (100) further comprises a water inlet pipe (110) and a water outlet pipe (120), and one end of the water inlet pipe (110) and one end of the water outlet pipe (120) are connected with one side surface of the shell (130).

3. A low noise high efficiency vortex fixed head pump according to claim 1, wherein: the impeller (200) further comprises a main blade (230) and a plurality of auxiliary blades (240), and one side surfaces of the main blades (230) and one side surfaces of the auxiliary blades (240) are connected with the outer surface of the linkage shaft (220).

4. A low noise high efficiency vortex fixed head pump according to claim 1, wherein: the connection structure (300) further includes a connection disc (310), and a side surface of the connection disc (310) is connected to a side surface of the connection ring (320).

5. A low noise high efficiency vortex fixed head pump according to claim 1, wherein: the motor (400) further comprises a base (430), and one side surface of the base (430) is connected with one side surface of the body (410).

6. A low noise high efficiency vortex fixed head pump according to claim 1, wherein: fixing device (500) still includes first fixing bolt (510) and shift ring (540), casing (130) side surface is equipped with a plurality of third screw, and is a plurality of first fixing bolt (510) are connected with a plurality of third screw respectively, and is a plurality of first fixing bolt (510) respectively with a plurality of third screw normal running fit, shift ring (540) side surface and second connect shell (340) surface connection.