CN214626637U

CN214626637U - Cable protection device for submersible axial-flow pump

Info

Publication number: CN214626637U
Application number: CN202023210540.2U
Authority: CN
Inventors: 成友贤; 季立新
Original assignee: Nantong Well Motor Co ltd
Current assignee: Nantong Well Motor Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-05
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a dive axial-flow pump cable protection device, which comprises a motor, the one end of motor is provided with the cable conductor, the one end of motor is provided with the protective housing, and the top of protective housing has seted up the connector, the protection pipe has been cup jointed to the outer wall of connector, the cable conductor is established in the inside of protective housing, and the other end of cable conductor runs through the inside that the connector extends to the protection pipe, the outer wall of connector is provided with the thread groove. Through the protective housing and the protection pipe that set up, can effectually protect the cable conductor, thread groove through setting up, make the protection pipe can follow protective housing and dismantle or install, the later stage of being convenient for is maintained the cable conductor, through the sealed pad of a that sets up and No. two sealed pads, avoid outside water to permeate to the protective housing in, through an adsorbed layer and No. two adsorbed layers that set up, can adsorb the moisture, avoid long-time moisture to influence the normal operating of cable conductor and motor.

Description

Cable protection device for submersible axial-flow pump

Technical Field

The utility model relates to a dive axial-flow pump technical field, in particular to dive axial-flow pump cable protection device.

Background

The submersible axial-flow pump adopts a dry type totally-enclosed submersible three-phase asynchronous motor, can be operated by being immersed in water for a long time, is an advantage that a traditional unit cannot compare, and is convenient and quick in field device operation because the motor and the water pump form a whole without being carried out on the site of the device, so that the civil engineering and the building structure engineering of a pump station can be greatly simplified because the submersible axial-flow pump is operated by being immersed in water, the area of the device is reduced, and the construction cost is saved by 30-40%. The noise is low, and the pump station does not have high temperature in, improves operating environment, can build according to the requirement and satisfy underground pump station, keeps the environmental aspect on ground, but the root that most dive motor burns out at present lies in not protecting the cable well enough.

When the submersible axial-flow pump in the prior art is operated, the cable is broken in the using process due to the fact that the cable is rubbed with solid particles in water for a long time, water flows into the motor through the broken part, and then the submersible axial-flow pump is stopped or the motor is burnt.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at solving the deficiencies in the prior art and providing a cable protection device for a submersible axial-flow pump.

The technical scheme is as follows: the utility model discloses dive axial-flow pump cable protection device, which comprises a motor, the one end of motor is provided with the cable conductor, the one end of motor is provided with the protective housing, and the top of protective housing has seted up the connector, the protection pipe has been cup jointed to the outer wall of connector, the cable conductor is established in the inside of protective housing, and the other end of cable conductor runs through the inside that the connector extends to the protection pipe, the outer wall of connector is provided with the thread groove, and the one end of protection pipe passes through the thread groove and constitutes threaded connection with the connector.

The utility model discloses a further improvement lies in, the bottom of protective housing is provided with fixing bolt, and the protective housing passes through fixing bolt and constitutes fixed knot with the motor and construct.

The utility model discloses a further improvement lies in, be provided with a sealed pad between the bottom of protective housing and the top of motor.

The utility model discloses a further improvement lies in, the inside of protective housing is provided with the adsorbed layer No. one, and the cable conductor runs through in the adsorbed layer No. one.

The utility model discloses a further improvement lies in, the inside of protection pipe is provided with the adsorbed layer No. two, and the cable conductor runs through in the adsorbed layer No. two.

The utility model discloses a further improvement lies in, logical groove has been seted up on the top of connector, and the cable conductor is swing joint with leading to the groove, the inside that leads to the groove is provided with No. two sealed pads, and No. two sealed pad settings are between the outer wall of the inner wall that leads to the groove and cable conductor.

Compared with the prior art, the utility model provides a dive axial-flow pump cable protection device has realized following beneficial effect at least: the cable can be effectively protected by the protective shell and the protective guide pipe, and the protective guide pipe can be detached or installed from the protective shell through the thread groove, so that the cable can be conveniently maintained in the later period; through the sealed pad of a sealing up and No. two of setting up, avoid outside water infiltration to the protective housing in, through an adsorbed layer and No. two adsorbed layers that set up, can adsorb the moisture, avoid long-time moisture to influence the normal operating of cable conductor and motor.

Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1 according to the present invention.

Wherein, 1, a motor; 2. a cable wire; 3. a protective shell; 301. fixing the bolt; 4. a connecting port; 401. a through groove; 402. a second sealing gasket; 5. a protective catheter; 6. a thread groove; 7. a first sealing gasket; 8. an adsorption layer I; 9. and a second adsorption layer.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Dive axial-flow pump cable protection device, including motor 1, the one end of motor 1 is provided with cable conductor 2, the one end of motor 1 is provided with protective housing 3, and connector 4 has been seted up on the top of protective housing 3, protection pipe 5 has been cup jointed to connector 4's outer wall, cable conductor 2 establishes the inside at protective housing 3, and cable conductor 2's the other end runs through connector 4 and extends to protection pipe 5's inside, connector 4's outer wall is provided with thread groove 6, and protection pipe 5's one end passes through thread groove 6 and connector 4 constitutes threaded connection.

To further explain the present embodiment, it should be noted that the protective case 3 can be detached from or attached to the motor 1 by rotating the fixing bolt 301. Specifically, in the present embodiment, the bottom end of the protective casing 3 is provided with a fixing bolt 301, and the protective casing 3 and the motor 1 form a fixed structure through the fixing bolt 301.

To further explain the present embodiment, it should be noted that the first sealing pad 7 can prevent water outside the protective casing 3 from penetrating into the protective casing 3 and prevent water from flowing into the motor 1. Specifically, in the present embodiment, a first sealing gasket 7 is disposed between the bottom end of the protective casing 3 and the top end of the motor 1.

To further explain the present embodiment, it should be noted that the first adsorption layer 8 may be made of activated carbon, and can adsorb moisture inside the protective shell 3. Specifically, in this embodiment, the inside of the protective housing 3 is provided with an adsorption layer 8, and the cable 2 penetrates through the adsorption layer 8.

To further explain the present embodiment, it should be noted that the second adsorption layer 9 may be made of activated carbon, and can adsorb moisture inside the protection conduit 5 to further protect the cable 2. Specifically, in the present embodiment, the inside of the protection conduit 5 is provided with the second adsorption layer 9, and the cable 2 penetrates through the second adsorption layer 9.

To further explain the present embodiment, it should be noted that the second sealing pad 402 further blocks moisture and water from the outside to the inside of the protective casing 3, and improves the waterproof performance of the motor 1. Specifically, in this embodiment, a through groove 401 is formed at the top end of the connecting port 4, the cable 2 is movably connected to the through groove 401, a second sealing gasket 402 is disposed inside the through groove 401, and the second sealing gasket 402 is disposed between the inner wall of the through groove 401 and the outer wall of the cable 2.

According to the above embodiment, the utility model provides a dive axial-flow pump cable protection device has realized following beneficial effect at least: the cable 2 can be effectively protected by the protective shell 3 and the protective guide pipe 5, and the protective guide pipe 5 can be detached or installed from the protective shell 3 through the thread groove 6, so that the cable 2 can be maintained at a later stage; through a sealed pad 7 and No. two sealed pads 402 that seal that set up, avoid outside water infiltration to protective housing 3 in, through an adsorbed layer 8 and No. two adsorbed layers 9 that set up, can adsorb the moisture, avoid long-time moisture to influence the normal operating of cable conductor 2 and motor 1.

The working principle is as follows: through the protective housing 3 and the protection pipe 5 that set up, can effectually protect cable conductor 2, thread groove 6 through setting up, make protection pipe 5 can follow protective housing 3 and dismantle or install, be convenient for the later stage to maintain cable conductor 2, through the sealed pad 7 of a number that sets up and the sealed pad 402 of No. two, avoid outside water infiltration to protective housing 3 in, through an adsorbed layer 8 and No. two adsorbed layers 9 that set up, can adsorb the moisture, avoid long-time moisture to influence cable conductor 2 and motor 1's normal operating.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. Dive axial-flow pump cable protection device, its characterized in that: including motor (1), its characterized in that: the one end of motor (1) is provided with cable conductor (2), the one end of motor (1) is provided with protective housing (3), and the top of protective housing (3) has seted up connector (4), protection pipe (5) have been cup jointed to the outer wall of connector (4), establish in the inside of protective housing (3) cable conductor (2), and the other end of cable conductor (2) runs through connector (4) and extends to the inside of protection pipe (5), the outer wall of connector (4) is provided with thread groove (6), and the one end of protection pipe (5) passes through thread groove (6) and constitutes threaded connection with connector (4).

2. The submersible axial flow pump cable protection device of claim 1, wherein: the bottom of protective housing (3) is provided with fixing bolt (301), and protective housing (3) constitutes fixed knot through fixing bolt (301) and motor (1) and constructs.

3. The submersible axial flow pump cable protection device of claim 1, wherein: a first sealing gasket (7) is arranged between the bottom end of the protective shell (3) and the top end of the motor (1).

4. The submersible axial flow pump cable protection device of claim 1, wherein: the inside of protective housing (3) is provided with adsorbed layer (8) No. one, and cable conductor (2) run through in adsorbed layer (8) No. one.

5. The submersible axial flow pump cable protection device of claim 1, wherein: the inside of protection pipe (5) is provided with adsorbed layer No. two (9), and cable conductor (2) run through in adsorbed layer No. two (9).

6. The submersible axial flow pump cable protection device of claim 1, wherein: logical groove (401) have been seted up on the top of connector (4), and cable conductor (2) and logical groove (401) are swing joint, the inside that leads to groove (401) is provided with No. two sealed pad (402), and No. two sealed pad (402) set up between the inner wall that leads to groove (401) and the outer wall of cable conductor (2).