CN215908065U

CN215908065U - Axial flow pump for pump brake system

Info

Publication number: CN215908065U
Application number: CN202120388725.8U
Authority: CN
Inventors: 付廷亮; 罗研; 张磊; 蔡皖锋
Original assignee: Hefei Kaiquan Motor Pump Co ltd
Current assignee: Hefei Kaiquan Motor Pump Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2022-02-25
Anticipated expiration: 2031-02-22

Abstract

The utility model relates to an axial flow pump for a pump brake system, which comprises a motor body fixedly connected with a brake body, wherein the end part of the motor body, which is positioned outside the brake body, is provided with a guide vane body, the outer side end part of the guide vane body is provided with an impeller part, and the outer side end part of the impeller part is directly connected with and provided with a filter screen. According to the scheme provided by the utility model, the motor body is changed into a thick and short design from a slender design, the design length of the whole pump is reduced, and after the pump and the gate are installed together, the gravity center of the pump is closer to the gate. The common horn mouth of the axial-flow pump is cancelled, a filter screen head with the distance of 40mm is installed instead, the filtering of the axial-flow pump to a medium is increased, and meanwhile, the blades are designed in a sweepback mode, so that the winding of impurities is prevented. The design of motor except front end and gate flange joint, still at a plurality of supplementary muscle of motor rear end design, can play the effect that the multiple spot supported, still increase the surface of motor simultaneously, increase the heat dissipation.

Description

Axial flow pump for pump brake system

Technical Field

The utility model relates to the field of gate pump stations, in particular to an axial flow pump for a pump gate system.

Background

As shown in fig. 1, the axial-flow pump is a traditional axial-flow pump, the motor is designed to be slender, the whole pump is designed to be longer in size, the pump is horizontally arranged on a gate, the gravity center of the pump is far away from the gate, and the vibration is too large; the pump does not have a medium filtering function, and a flow channel is blocked when the pump is used in a sewage environment; and the pump depends on the fixed position of the guide vane body at the front end of the motor when being fixed, and the fixed points are less and unstable.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide an axial flow pump for a pumping system which overcomes the above-mentioned drawbacks.

An axial flow pump for a pumping system, characterized by: the gate valve comprises a motor body fixedly connected with a gate body, wherein a guide vane body is arranged at the end part of the motor body, which is positioned at the outer side of the gate body, an impeller part is arranged at the outer side end part of the guide vane body, and the outer side end part of the impeller part is directly connected with a filter screen cover.

The specific scheme is as follows:

the end part of the inner side of the filter screen cover is fixedly connected with the outer end part of the impeller part through an A flange component.

The inner diameter of the end part at the inner side of the filter screen cover is consistent with the inner diameter of the outer end part of the impeller part.

The gap between the filter screens on the filter screen covers is 40 mm.

The blades on the impeller part are designed in a backswept mode.

The length of the guide vane body along the axial direction is smaller than that of the impeller part along the axial direction.

The outer end of the motor body is connected with the inner end of the guide vane body through a C flange assembly, and the outer end of the guide vane body is connected with the impeller assembly through a B flange assembly.

The inner end of the motor body is fixedly connected with the gate body through a D flange component.

The surface of motor body is provided with supplementary muscle, half body section of supplementary muscle is located the fitting hole on the gate body, half body section of supplementary muscle is located the outside of gate body fitting hole, supplementary muscle constitutes for the plate, the plate body includes rectangular plate somatic part and the right trapezoid board that is located rectangular plate somatic part medial extremity portion and sets up, the base size of right trapezoid board section is less than the width of plate body, the both ends bight branch that rectangular plate somatic part and right trapezoid board somatic part intersect and connect the limit carries out the chamfer respectively, and be close to one side chamfer value at motor body center and be greater than the chamfer value of opposite side, the right angle waist limit of right trapezoid board is close to the center of motor body and arranges.

The D flange subassembly includes the D2 ring flange that sets up on the D1 ring flange and the motor body of the setting on the gate body, is provided with the D1 annular boss that the protrusion set up on the D1 ring flange, is provided with the D2 annular boss that the protrusion set up on the D2 ring flange, and D1 annular boss is located the outside of D2 annular boss and both constitute the interlock.

According to the scheme provided by the utility model, the motor body is changed into a thick and short design from a slender design, the design length of the whole pump is reduced, and after the pump and the gate are installed together, the gravity center of the pump is closer to the gate. The common horn mouth of the axial-flow pump is cancelled, a filter screen head with the distance of 40mm is installed instead, the filtering of the axial-flow pump to a medium is increased, and meanwhile, the blades are designed in a sweepback mode, so that the winding of impurities is prevented. The design of motor except front end and gate flange joint, still at a plurality of supplementary muscle of motor rear end design, can play the effect that the multiple spot supported, still increase the surface of motor simultaneously, increase the heat dissipation.

Drawings

FIG. 1 is a schematic structural view of a conventional axial flow pump;

FIG. 2 is a schematic structural view of the present invention;

100-gate body, 200-motor body, 210-auxiliary rib, 211-rectangular plate body, 212-right-angle trapezoidal plate body, 221-D1 flange, 222-D2 flange, 223-C2 flange, 300-guide vane body, 400-impeller component and 500-filter screen.

Detailed Description

In order that the objects and advantages of the utility model will be more clearly understood, the utility model will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the utility model and does not strictly limit the scope of the utility model as specifically claimed.

As shown in fig. 2, an axial flow pump for a pump gate system includes a motor body 200 fixedly connected to a gate body 100, a vane body 300 is disposed at an end of the motor body 200 located outside the gate body 100, an impeller member 400 is disposed at an outer end of the vane body 300, and an outer end of the impeller member 400 is directly connected to a filter screen 500.

The specific scheme is as follows: the end of the inner side of the filter screen 500 is fixedly connected with the outer end of the impeller part 400 through an A flange component. The inner diameter of the inner end of the filter mesh cover 500 is uniform with the inner diameter of the outer end of the impeller member 400. The gap between the filter screens on the filter screen cover 500 is 40 mm. The blades on the impeller member 400 are of a swept back design. The length of the guide vane body 300 in the axial direction is smaller than the length of the impeller member 400 in the axial direction. The outer end of the motor body 200 is connected with the inner end of the guide vane body 300 through a flange component C, and the outer end of the guide vane body 300 is connected with the impeller component through a flange component B. The inner end of the motor body 200 is fixedly connected with the gate body 100 through a D-flange assembly. Motor body 200's surface is provided with supplementary muscle 210, half body section of supplementary muscle 210 is located the pilot hole on gate body 100, half body section of supplementary muscle 210 is located the outside of gate body 100 pilot hole, supplementary muscle 210 constitutes for the plate, the plate body includes rectangular plate portion 211 and the right trapezoid board that is located the setting of rectangular plate portion 211 medial extremity, the base size of right trapezoid board section is less than the width of plate body, rectangular plate portion 211 carries out the chamfer respectively with the crossing both ends bight that connects the limit of rectangular plate portion 212, and the one side chamfer value that is close to motor body 200 center is greater than the chamfer value of opposite side, the right angle waist limit of right trapezoid board is close to motor body 200's center and arranges. The D flange component comprises a D1 flange 221 disc arranged on the gate body 100 and a D2 flange disc arranged on the motor body 200, a D1 annular boss arranged in a protruding mode is arranged on the D1 flange 221 disc, a D2 annular boss arranged in a protruding mode is arranged on the D2 flange disc, the D1 annular boss is located on the outer side of the D2 annular boss and forms a snap fit with the D1 annular boss, and the outer side end portion of the rectangular plate body portion 211 is connected with the D1 flange 221 disc. The C flange component comprises a C2 flange 223 arranged on the motor body 200 and a C1 flange arranged at the inner end of the guide vane body 300, the outer side end of the rectangular plate body 211 is fixedly connected with a C1 flange, and the middle body section of the rectangular plate body is fixedly connected with a D2 flange 222.

According to the scheme provided by the utility model, the motor body 200 is changed into a thick and short design from a slender design, the design length of the whole pump is reduced, and after the pump and the gate are installed together, the gravity center of the pump is closer to the gate. The common horn mouth of the axial-flow pump is cancelled, a filter screen head with the distance of 40mm is installed instead, the filtering of the axial-flow pump to a medium is increased, and meanwhile, the blades are designed in a sweepback mode, so that the winding of impurities is prevented. The design of motor except front end and gate flange joint, still at a plurality of supplementary muscle 210 of motor rear end design, can play the effect that the multiple spot supported, still increase the surface of motor simultaneously, increase the heat dissipation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. An axial flow pump for a pumping system, characterized by: the gate valve comprises a motor body fixedly connected with a gate body, wherein a guide vane body is arranged at the end part of the motor body, which is positioned at the outer side of the gate body, an impeller part is arranged at the outer side end part of the guide vane body, and the outer side end part of the impeller part is directly connected with a filter screen cover.

2. The axial flow pump for a pumping gate system according to claim 1, characterized in that: the end part of the inner side of the filter screen cover is fixedly connected with the outer end part of the impeller part through an A flange component.

3. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the inner diameter of the end part at the inner side of the filter screen cover is consistent with the inner diameter of the outer end part of the impeller part.

4. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the gap between the filter screens on the filter screen covers is 40 mm.

5. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the blades on the impeller part are designed in a backswept mode.

6. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the length of the guide vane body along the axial direction is smaller than that of the impeller part along the axial direction.

7. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the outer end of the motor body is connected with the inner end of the guide vane body through a C flange assembly, and the outer end of the guide vane body is connected with the impeller assembly through a B flange assembly.

8. The axial flow pump for a pumping gate system according to claim 2, characterized in that: the inner end of the motor body is fixedly connected with the gate body through a D flange component.

9. The axial flow pump for a pumping gate system according to claim 8, wherein: the surface of motor body is provided with supplementary muscle, half body section of supplementary muscle is located the fitting hole on the gate body, half body section of supplementary muscle is located the outside of gate body fitting hole, supplementary muscle constitutes for the plate, the plate body includes rectangular plate somatic part and the right trapezoid board that is located rectangular plate somatic part medial extremity portion and sets up, the base size of right trapezoid board section is less than the width of plate body, the both ends bight branch that rectangular plate somatic part and right trapezoid board somatic part intersect and connect the limit carries out the chamfer respectively, and be close to one side chamfer value at motor body center and be greater than the chamfer value of opposite side, the right angle waist limit of right trapezoid board is close to the center of motor body and arranges.

10. The axial flow pump for a pumping gate system according to claim 8, wherein: the D flange subassembly includes the D2 ring flange that sets up on the D1 ring flange and the motor body of the setting on the gate body, is provided with the D1 annular boss that the protrusion set up on the D1 ring flange, is provided with the D2 annular boss that the protrusion set up on the D2 ring flange, and D1 annular boss is located the outside of D2 annular boss and both constitute the interlock.