CN211852145U

CN211852145U - Submersible screw pump

Info

Publication number: CN211852145U
Application number: CN202020443523.4U
Authority: CN
Inventors: 余欢祥; 赵红林
Original assignee: Shanghai Kaishi Pump Industry Group Co ltd
Current assignee: Shanghai Kaishi Pump Industry Group Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-03
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a submersible screw pump, include the base and fix cavity, grease chamber and the casing that just connects gradually on the base, be provided with the dive motor in the casing, the casing with the closed bearing that is provided with of terminal surface that grease chamber connects, another end face seal of casing is provided with inner cup and hanging lid, grease chamber with the connection terminal surface department of cavity seals and is provided with the oil chamber cap, the motor shaft of dive motor loops through the bearing with the oil chamber cap extremely in the cavity with screw shaft in the cavity is connected, the oil chamber cap with be provided with the mechanical seal between the bearing. The utility model has the advantages that: the submersible screw pump is arranged at the bottom of the pool, can be submerged to operate, can vertically and upwards convey liquid with high viscosity and high concentration for 30 meters, has attractive appearance and compact structure, can save investment cost, and is convenient to install.

Description

Submersible screw pump

Technical Field

The utility model relates to a screw pump technical field, concretely relates to dive screw pump.

Background

In the prior art, the self-priming height of the G-type screw pump is about 7 meters, the screw pump cannot be conveyed when the self-priming height is higher than 7 meters, the screw pump must be installed above the liquid level, if the G-type screw pump is used for conveying, the installation position of the screw pump must be lowered, a dry installation platform is also provided, and therefore the field use is troublesome.

Disclosure of Invention

The utility model aims at providing a weak point according to above-mentioned prior art, provide a dive screw pump, this dive screw pump is through being in the same place G type screw pump and the effectual combination of dive dredge pump, can directly put into the bottom of the pool, and the operation of diving into water need not to connect the inlet channel, only need connect outlet conduit can, can upwards carry 30 meters with the liquid that viscosity is high, concentration is high perpendicularly.

The utility model discloses the purpose is realized accomplishing by following technical scheme:

the utility model provides a dive screw pump, its characterized in that dive screw pump includes the base and fixes cavity, grease chamber and the casing that just connects gradually on the base, be provided with the dive motor in the casing, the casing with the closed bearing that is provided with of terminal surface that grease chamber connects, another end face seal of casing is provided with the inner cup and hangs the lid, grease chamber with the connection terminal surface department of cavity seals and is provided with the oil chamber cap, the motor shaft of dive motor loops through the bearing with the oil chamber cap extremely in the cavity with screw shaft in the cavity is connected, the oil chamber cap with be provided with the mechanical seal between the bearing.

The cavity is composed of a material discharging body, a stator and a material feeding body which are sequentially communicated, the end part of the motor shaft is sequentially connected with the screw shaft through a connecting shaft and a universal joint in the cavity for transmission, wherein the material feeding body is provided with a water inlet, and the material discharging body is provided with a water outlet.

And a pull rod is longitudinally arranged between the discharging body and the feeding body in a counter-pulling manner so as to connect the discharging body, the stator and the feeding body into a whole.

The submersible screw pump is arranged at the bottom of the water tank, the water outlet on the submersible screw pump is communicated with a water outlet pipe, and the water outlet pipe extends to the ground outside the water tank.

The utility model has the advantages that: the submersible screw pump is arranged at the bottom of a water pool, can be submerged to operate, can vertically and upwards convey liquid with high viscosity and high concentration for 30 meters, and has the advantages of attractive appearance, compact structure, investment cost saving and convenient installation.

Drawings

FIG. 1 is a schematic view of a middle submersible screw pump according to the present invention;

fig. 2 is a schematic view of the submersible screw pump of the present invention installed in a water tank.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:

as shown in fig. 1-2, the respective symbols in the figure are: the device comprises a material discharging body 1, a stator 2, a pull rod 3, a screw shaft 4, a universal joint 5, a material feeding body 6, a connecting shaft 7, an oil chamber cover 8, an oil chamber 9, a machine shell 10, a motor stator 11, a hanging cover 12, an inner cover 13, a support 14, a base 15, a motor shaft 16, a rotor 17, a bearing 18, a machine seal 19 and a water outlet pipe 20.

Example (b): as shown in fig. 1 and 2, the embodiment specifically relates to a submersible screw pump, which comprises a base 15, and a cavity, an oil chamber 9 and a casing 10 which are sequentially fixed on the base 15, wherein a submersible motor is installed in the casing 10 and sealed, so that the submersible screw pump can be submerged in a water pool to operate.

As shown in fig. 1 and 2, in the present embodiment, a base 15 is fixedly installed in a water pool, and a cavity, an oil chamber 9 and a housing 10 are respectively fixed on the base 15 through supports 14, wherein the cavity is composed of a discharging body 1, a stator 2 and a feeding body 6 which are sequentially communicated, and a plurality of pull rods 3 are oppositely arranged between the discharging body 1 and the feeding body 6 to connect the discharging body 1, the stator 2 and the feeding body 6 into a whole in the longitudinal direction; a screw shaft 4 is arranged in the stator 2, a connecting shaft 7 is arranged in the feeding body 6, and the connecting shaft 7 is connected with the screw shaft 4 through a universal joint 5; the submersible motor composed of a rotor 17, a motor stator 11 and a motor shaft 16 is arranged in the casing 10, an oil chamber cover 8 is arranged on the end face of the oil chamber 9 connected with the feeding body 6 in a sealing mode, a bearing 18 is arranged on the end face of the oil chamber 9 connected with the casing 10 in a sealing mode, the motor shaft 16 of the submersible motor sequentially penetrates through the bearing 18 and the oil chamber cover 8 to enter the cavity and is in transmission connection with the connecting shaft 7, in addition, a machine seal 19 sleeved on the motor shaft 16 is further arranged between the oil chamber cover 8 and the bearing 18, the end face, far away from the oil chamber 9, of the casing 10 is sealed through an inner cover 13 and a hanging cover 12 which are connected with each other, and through the arrangement of the sealing structures, the sealing arrangement of the submersible motor in the casing 10 and the.

As shown in fig. 1 and 2, the operation method of the submersible screw pump in this embodiment includes the following steps: the submersible screw pump is directly placed at the bottom of the water pool and is simply fixed through a wooden pile, the submersible screw pump is prevented from moving, a power cord is connected, the water outlet pipe 20 is fixedly installed at a water outlet on the discharging body 1, the water outlet is powered on, whether liquid flows out of the water outlet is observed, if no liquid flows out, the screw pump is shown to be reversed, the submersible motor is adjusted to be connected, the submersible motor is started after being powered on, the connecting shaft 7, the universal joint 5 and the screw shaft 4 are sequentially driven to rotate, so that the liquid enters the feeding body 6 through the water inlet, then sequentially penetrates through the stator 2 and the discharging body 1, flows into the water outlet pipe 20 from the water outlet, and finally flows out of the water outlet pipe 20, and the water outlet pipe 20 extends to the ground outside.

Claims

1. The utility model provides a dive screw pump, its characterized in that dive screw pump includes the base and fixes cavity, grease chamber and the casing that just connects gradually on the base, be provided with the dive motor in the casing, the casing with the closed bearing that is provided with of terminal surface that grease chamber connects, another end face seal of casing is provided with the inner cup and hangs the lid, grease chamber with the connection terminal surface department of cavity seals and is provided with the oil chamber cap, the motor shaft of dive motor loops through the bearing with the oil chamber cap extremely in the cavity with screw shaft in the cavity is connected, the oil chamber cap with be provided with the mechanical seal between the bearing.

2. The submersible screw pump according to claim 1, wherein the chamber is composed of a discharge body, a stator, and a feed body which are sequentially connected, and an end of the motor shaft is sequentially connected with the screw shaft via a connecting shaft and a universal joint in the chamber for transmission, wherein the feed body has a water inlet, and the discharge body has a water outlet.

3. A submersible screw pump according to claim 2, wherein tension rods are provided in longitudinal tension between the body and the body to join the body, the stator and the body together.

4. The submersible screw pump according to claim 2, wherein the submersible screw pump is disposed at the bottom of the water tank, the water outlet on the submersible screw pump is communicated with a water outlet pipe, and the water outlet pipe extends to the ground outside the water tank.