CN214577731U

CN214577731U - Horizontal high-lift energy-saving water pump

Info

Publication number: CN214577731U
Application number: CN202120686044.XU
Authority: CN
Inventors: 黄忠军; 赵彦成
Original assignee: Jiangsu Gaoqun Energy Saving Technology Co ltd
Current assignee: Jiangsu Gaoqun Energy Saving Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-02
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a horizontal high-lift energy-saving water pump, which comprises a base, a motor and a pump body arranged on the base, wherein a bearing seat is arranged on one side of the pump body close to the motor, and the motor, the pump body and the bearing seat are fixedly arranged on the base through a bracket; the pump body comprises a front end cover, a rear end cover and a tail frame which are connected in a splicing mode, the front end cover and the rear end cover are connected in a sealing mode and form a flow guide cavity, a water inlet pipeline communicated with the flow guide cavity is arranged at the side end of the front end cover, a water outlet pipeline communicated with the flow guide cavity is arranged at the upper end of the front end cover, the impeller is combined with the flow guide cavity of the pump body, liquid is conveyed out in the tangential direction, high lift is achieved, and energy consumption is reduced. The front end cover, the rear end cover and the tail frame are fixedly connected through bolts, and the installation and the maintenance are very convenient. The motor shaft and the water pump shaft are coaxially and directly connected, the concentricity is high, the operation is stable, and the safety and the reliability are realized. The device also has the characteristics of simple structure, simple and convenient operation, low cost, strong reliability and the like.

Description

Horizontal high-lift energy-saving water pump

Technical Field

The utility model relates to a water pump technical field specifically is a horizontal high-lift energy-saving water pump.

Background

The water pump is a large amount of wide-range general mechanical equipment, is widely applied to various departments of petroleum, chemical industry, electric metallurgy, mines, shipbuilding, light industry, agriculture, civilian use and national defense, and plays an important role in national economy. The centrifugal pump is the most common high-lift pump, and transfers mechanical energy to liquid by the action force of a fast-rotating impeller on the liquid, so that the kinetic energy and pressure energy of the liquid are increased to realize conveying. The shaft mechanical seal position of current high-lift water pump is the easy corrosion part relatively, in case by the corrosion, easily causes mechanical seal to become invalid, and later stage dismantlement maintenance is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a horizontal high-lift energy-saving water pump to solve the problem of proposing in the above-mentioned background art.

The utility model provides a technical problem adopt following technical scheme to realize: a horizontal high-lift energy-saving water pump comprises a base, a motor and a pump body, wherein the motor and the pump body are arranged on the base; the pump body includes front end housing, rear end housing and the tailstock that the amalgamation is connected, sealing connection and formation water conservancy diversion chamber between front end housing and the rear end housing, the side of front end housing is equipped with the inlet channel with water conservancy diversion chamber intercommunication, and the upper end of front end housing is equipped with the outlet conduit with water conservancy diversion chamber intercommunication, the intermediate position in water conservancy diversion chamber is equipped with the impeller that the drive water flows, and the centre of impeller is equipped with the dish hole and installs the front end at the pump shaft, and the rear end of pump shaft runs through rear end housing and tailstock and is connected with the bearing frame, and the outer end of pump shaft passes through the output shaft transmission of shaft coupling and motor and is connected.

As a further aspect of the present invention: the front end cover, the rear end cover and the tail frame are fixedly connected through bolts, screw holes are distributed at the outer side ends of the front end cover and the tail frame, the rear end cover is clamped between the front end cover and the tail frame, and the front end cover, the rear end cover and the tail frame are mutually connected in a sealing mode.

As a further aspect of the present invention: the front end of the pump shaft is provided with a screw cap which is abutted against the impeller, the screw cap is in threaded connection with the pump shaft so as to clamp and fix the impeller, blades are annularly distributed at the outer end of the impeller, the blades are outwards unfolded in an arc shape at the center of the impeller, and the height of the blades is gradually reduced.

As a further aspect of the present invention: one end of the tail frame is fixedly attached to the rear end cover through a flange, and the other end of the tail frame is fixedly connected with the bearing seat through a flange.

As a further aspect of the present invention: and corresponding bearings are arranged at two ends of the bearing block corresponding to the pump shaft, the pump shaft penetrates through the bearings to be rotatably arranged, and the part of the pump shaft corresponding to the bearings is of a step structure.

As a further aspect of the present invention: the rear end that the pump shaft is located rear end cover and tailstock is equipped with mechanical seal, and mechanical seal cover is established in the outer end of pump shaft and with rear end cover and tailstock sealing connection, and the rear end of impeller is equipped with the sleeve, and the sleeve inserts in the annular that the rear end cover corresponds and supports mechanical seal's one end, and the other end passes through the spiral shell lid and locks.

Compared with the prior art, the beneficial effects of the utility model are that: combine together the water conservancy diversion chamber of impeller and pump body to liquid is carried out to the tangential direction, realizes high lift, and reduces the energy consumption. The front end cover, the rear end cover and the tail frame are fixedly connected through bolts, and the installation and the maintenance are very convenient. The motor shaft and the water pump shaft are coaxially and directly connected, the concentricity is high, the operation is stable, and the safety and the reliability are realized. The device also has the characteristics of simple structure, simple and convenient operation, low cost, strong reliability and the like.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the pump body of the present invention;

fig. 3 is a schematic view of the impeller structure of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.

As shown in FIGS. 1-3,

the embodiment provides a horizontal high-lift energy-saving water pump which comprises a base 1, a motor 2 and a pump body 3, wherein the motor 2 and the pump body 3 are arranged on the base 1, a bearing seat 4 is arranged on one side, close to the motor 2, of the pump body 3, and the motor 2, the pump body 3 and the bearing seat 4 are fixedly arranged on the base 1 through a support; the pump body 3 includes front end housing 31, rear end housing 32 and tailstock 38 that the split joint is connected, sealing connection and formation water conservancy diversion chamber 33 between front end housing 31 and the rear end housing 32, the side of front end housing 31 is equipped with the inlet channel 34 with water conservancy diversion chamber 33 intercommunication, and the upper end of front end housing 31 is equipped with the outlet conduit 35 with water conservancy diversion chamber 33 intercommunication, the intermediate position in water conservancy diversion chamber 33 is equipped with the impeller 36 that the drive water flows, and the centre of impeller 36 is equipped with the dish hole and installs the front end at pump shaft 37, and rear end housing 32 and tailstock 38 are run through to the rear end of pump shaft 37 and are connected with the bearing frame, and the outer end of pump shaft 37 is passed through the shaft coupling and is connected with the output shaft transmission of motor 2.

In this embodiment, the front end cover 31, the rear end cover 32 and the tail frame 38 are fixedly connected through bolts 39, screw holes are distributed at outer ends of the front end cover 31 and the tail frame 38, the rear end cover 32 is clamped between the front end cover 31 and the tail frame 38, and the front end cover 31, the rear end cover 32 and the tail frame 38 are hermetically connected with each other.

In this embodiment, a screw cap 30 abutting against the impeller 36 is disposed at the front end of the pump shaft 37, the screw cap 30 is in threaded connection with the pump shaft 37 to clamp and fix the impeller 36, blades 361 are annularly distributed at the outer end of the impeller 36 located at the screw cap 30, the blades 361 are outwardly expanded in an arc shape at the center of the impeller 36, and the height of the blades is gradually reduced. So as to guide the flow, improve the conveying efficiency and improve the lift.

In this embodiment, one end of the tail bracket 38 is fixed to the rear end cover 32 by means of flange, and the other end is fixedly connected to the bearing seat 4 by means of flange, so that the bearing seat 4 is fixed to the side end of the pump body 3, the stability of the pump body 3 and the pump shaft 37 is improved, the pump body 3 is prevented from shaking, and the pump shaft 37 and the bearing seat 4 are damaged by extrusion.

In this embodiment, the two ends of the bearing block 4 are provided with corresponding bearings 41 corresponding to the pump shaft 37, the pump shaft 37 is rotatably disposed through the bearings 41, and the portion of the pump shaft 37 corresponding to the bearings 41 is a stepped structure, so that the bearings 41 abut against the pump shaft 37 to prevent the pump shaft 37 from shaking.

In this embodiment, a mechanical seal 5 is disposed at the rear end of the pump shaft 37 located at the rear end of the rear end cover 32 and the tail frame 38, the mechanical seal 5 is sleeved at the outer end of the pump shaft 37 and is connected with the rear end cover 32 and the tail frame 38 in a sealing manner, a sleeve 362 is disposed at the rear end of the impeller 36, the sleeve 362 is inserted into a corresponding annular groove of the rear end cover 32 and abuts against one end of the mechanical seal 5, the other end of the sleeve is locked by the screw cap 30, so as to enhance the sealing effect of the mechanical seal, and the mechanical seal 5 is used for isolating a gap between the pump shaft 37 and a through hole of the rear end cover 32.

The utility model discloses a theory of operation does: the motor 2 drives the pump shaft 37 to rotate synchronously through the coupler, the pump shaft 37 drives the impeller 36 to rotate, the water inlet pipeline 34 fills liquid into the guide flow cavity 33, the impeller 36 rotates at a high speed, the liquid generates a high speed under the action of centrifugal force, and the high-speed liquid passes through the gradually enlarged guide flow cavity 33 to be conveyed to the water outlet pipeline 35.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a horizontal high-lift energy-saving water pump, includes the base, sets up motor and the pump body on the base, and the bearing frame is installed to one side that the pump body is close to the motor, and motor, the pump body and bearing frame pass through support fixed mounting on the base, its characterized in that: the pump body includes front end housing, rear end housing and the tailstock that the amalgamation is connected, sealing connection and formation water conservancy diversion chamber between front end housing and the rear end housing, the side of front end housing is equipped with the inlet channel with water conservancy diversion chamber intercommunication, and the upper end of front end housing is equipped with the outlet conduit with water conservancy diversion chamber intercommunication, the intermediate position in water conservancy diversion chamber is equipped with the impeller that the drive water flows, and the centre of impeller is equipped with the dish hole and installs the front end at the pump shaft, and the rear end of pump shaft runs through rear end housing and tailstock and is connected with the bearing frame, and the outer end of pump shaft passes through the output shaft transmission of shaft coupling and motor and is connected.

2. The horizontal high-lift energy-saving water pump according to claim 1, characterized in that: the front end cover, the rear end cover and the tail frame are fixedly connected through bolts, screw holes are distributed at the outer side ends of the front end cover and the tail frame, the rear end cover is clamped between the front end cover and the tail frame, and the front end cover, the rear end cover and the tail frame are mutually connected in a sealing mode.

3. The horizontal high-lift energy-saving water pump according to claim 2, characterized in that: the front end of the pump shaft is provided with a screw cap which is abutted against the impeller, the screw cap is in threaded connection with the pump shaft so as to clamp and fix the impeller, blades are annularly distributed at the outer end of the impeller, the blades are outwards unfolded in an arc shape at the center of the impeller, and the height of the blades is gradually reduced.

4. The horizontal high-lift energy-saving water pump according to claim 3, characterized in that: one end of the tail frame is fixedly attached to the rear end cover through a flange, and the other end of the tail frame is fixedly connected with the bearing seat through a flange.

5. The horizontal high-lift energy-saving water pump according to claim 4, characterized in that: and corresponding bearings are arranged at two ends of the bearing block corresponding to the pump shaft, the pump shaft penetrates through the bearings to be rotatably arranged, and the part of the pump shaft corresponding to the bearings is of a step structure.

6. The horizontal high-lift energy-saving water pump according to claim 4, characterized in that: the rear end that the pump shaft is located rear end cover and tailstock is equipped with mechanical seal, and mechanical seal cover is established in the outer end of pump shaft and with rear end cover and tailstock sealing connection, and the rear end of impeller is equipped with the sleeve, and the sleeve inserts in the annular that the rear end cover corresponds and supports mechanical seal's one end, and the other end passes through the spiral shell lid and locks.