CN216649428U

CN216649428U - Cable protection device of horizontal submersible axial-flow pump

Info

Publication number: CN216649428U
Application number: CN202123237005.0U
Authority: CN
Inventors: 王文娟; 张翔; 李月; 尹春晓
Original assignee: Jiangsu Jichuan Pump Co ltd
Current assignee: Jiangsu Jichuan Pump Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-31
Anticipated expiration: 2031-12-22

Abstract

The application discloses cable protection device of horizontal dive axial-flow pump. This horizontal dive axial-flow pump's cable protection device includes: and one end of the cable protection piece is fixed to a junction box of the axial flow pump, the other end of the cable protection piece is fixed to a water outlet taper pipe of the axial flow pump, and the cable protection piece encloses a cable on the junction box. The cable can be protected from strong water flow impact and from being scratched by hard objects, the water pump can be prevented from being immersed by the motor, the service life of the water pump is ensured, and the motor is prevented from being burnt down when the water pump is serious. This application has been solved because the cable directly receives strong water impact, and the cable is easily cut to the hard thing in aquatic, causes the motor to intake, influences water pump life, and serious can burn out the technical problem of motor.

Description

Cable protection device of horizontal submersible axial-flow pump

Technical Field

The application relates to the field of cable protection, in particular to a cable protection device of a horizontal submersible axial-flow pump.

Background

The submersible axial-flow pump has wide application, and is mainly used for municipal rainwater drainage, industrial process water and water transfer engineering in water conservancy. Most of submersible axial-flow pumps are vertically installed, and are often horizontally installed due to requirements of processes and the like, and in addition, the submersible axial-flow pumps are different in use environment conditions, and often contain a large amount of sundries, hard objects and the like in water. The submersible axial-flow pump is characterized in that the flow is large, when the axial-flow pump operates, the cable is directly impacted by strong water flow, sundries, hard objects and the like in water easily cut the cable, water enters the motor, the service life of the water pump is influenced, and the motor can be burnt seriously to cause great economic loss.

Aiming at the problems that in the related art, a cable is directly impacted by strong water flow, a hard object in water easily cuts the cable, water enters a motor, the service life of a water pump is influenced, and the motor is seriously burnt, an effective solution is not provided at present.

Disclosure of Invention

The main aim at of this application provides a cable protection device of horizontal dive axial-flow pump to solve because the cable directly receives strong water impact, the cable is easily lacerated to the hard thing in aquatic, causes the motor to intake, influences water pump life, the serious problem that can burn out the motor.

In order to achieve the above object, according to one aspect of the present application, there is provided a cable protection device for a horizontal submersible axial flow pump.

According to the application, a cable protection device of horizontal dive axial-flow pump includes: and one end of the cable protection piece is fixed to a junction box of the axial flow pump, the other end of the cable protection piece is fixed to a water outlet taper pipe of the axial flow pump, and the cable protection piece encloses a cable on the junction box.

Furthermore, a first cable sealing assembly is arranged at the connecting position of the water outlet taper pipe and one end of the cable. Furthermore, a drainage hole is formed in one side, close to the lower side, of the cable protection piece.

Furthermore, the junction box is provided with a leakage alarm.

Furthermore, a second cable sealing assembly is arranged at the connecting position of the junction box and the other end of the cable.

Furthermore, the first cable sealing assembly or the second cable sealing assembly is composed of a rubber sealing assembly, a rubber wire clamp, a compression gasket, a cable gland and a connecting bolt.

Further, the cable protector is a threading pipe. Further, the cable protector includes: the wire-passing pipe is connected with the water outlet taper pipe. Further, the fixing member includes: the flange is connected with the cable protection piece through the first bolt, and the flange is connected with the junction box through the second bolt.

In the embodiment of the application, a cable protection piece is arranged on the axial flow pump, one end of the cable protection piece is fixed to a junction box of the axial flow pump, the other end of the cable protection piece is fixed to a water outlet taper pipe of the axial flow pump, and the cable protection piece surrounds the cable on the junction box, so that the aims of protecting the cable from being impacted by strong water flow and being scratched by hard objects are fulfilled, the water inlet of a motor is avoided, the service life of the water pump is ensured, and the motor is prevented from being burnt down when the water inlet is serious; and then solved because the cable directly receives strong water flow impact, the hard thing in aqueous easily lacerates the cable, and the motor that causes is intake, influences water pump life, serious can burn out the technical problem of motor.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the utility model and do not limit it. In the drawings:

fig. 1 is a schematic structural view of a cable protection device according to an embodiment of the present application;

FIG. 2 is a schematic view of a pod construction according to a preferred embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a flange according to a preferred embodiment of the present application;

fig. 4 is a partial schematic view of a cable protection device according to a preferred embodiment of the present application.

Reference numerals

1. A junction box; 2. a fixed flange; 3. a cable protection member; 4. a water outlet taper pipe; 6. a first cable sealing assembly (second cable sealing assembly); 7. a connecting bolt; 8. a leakage alarm; 9. a cable; 15. a drain hole; 601. a rubber seal assembly; 602. a rubber wire clamp; 603. a compression washer; 604. and (4) a cable gland.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-4, the present application relates to a cable 9 protection device for a horizontal submersible axial flow pump, the cable 9 protection device for the horizontal submersible axial flow pump comprising: and a cable protector 3, one end of which is fixed on the junction box 1 of the axial flow pump, the other end of which is fixed on the water outlet taper pipe 4 of the axial flow pump, and the cable protector 3 encloses a cable 9 on the junction box 1.

Specifically, the cable protector 3 has a function of protecting the cable 9 from water impact; the cable 9 in this embodiment is a live wire of the axial-flow pump; when using horizontal dive axial-flow pump to draw water, the inevitable impact that can receive rivers through the machine of cable 9 therefore adopts cable protection piece 3 to enclose cable 9 and closes, just can bear this impact through cable protection piece 3, avoids cable 9 to bear this impact to avoid the motor to intake, and then guarantee water pump life, the economic loss that the motor burns out and causes when avoiding serious. One end of the cable protection piece 3 is enclosed on the junction box 1 of the axial flow pump, the shell of the cable protection piece is semicircular, water flow and solid matters are blocked outside the cable protection piece 3, and the risk of water inflow of the motor caused by impact and scratch of the cable 9 in the running process of the motor is greatly reduced; the other end of the cable protection piece 3 is fixed on the water outlet taper pipe 4 and is in a cylinder shape, the diameter of the inner ring of the cylinder is larger than that of the outer ring of the cable 9, and the influence of water flow impact on the cable 9 is further reduced; the cable protection piece 3 is convenient to process and manufacture, low in cost and high in universality.

In the embodiment of the application, a cable protection member 3 is arranged on the axial flow pump, one end of the cable protection member 3 is fixed to a junction box 1 of the axial flow pump, the other end of the cable protection member is fixed to a water outlet taper pipe 4 of the axial flow pump, and the cable protection member 3 encloses a cable 9 on the junction box 1, so that the purposes of protecting the cable 9 from strong water flow impact and from being scratched by a hard object are achieved, the water inlet of the motor is avoided, the service life of the water pump is ensured, and the motor is prevented from being burnt down when the water is serious; and then solved because the cable 9 directly receives strong water flow impact, the hard thing in aqueous easily lacerates cable 9, and the motor that causes intakes, influences water pump life, serious can burn out the technical problem of motor.

In the embodiment of the present invention, preferably, the first cable sealing assembly 6 is disposed at a position where the cable protection member 3 is connected to the water outlet taper pipe 4, and the position where the cable protection member 3 is connected to the water outlet taper pipe 4 is sealed and protected by the first cable sealing assembly 6, so that water is prevented from entering the cable 9 through a gap at the connection position, and thus, the cable 9 is effectively prevented from being affected by water.

In the embodiment, a drainage hole 15 is preferably formed on a lower side of the cable protector 3, so that the liquid entering the cable protector 3 can flow out of the drainage hole 15.

Preferably, in the embodiment of the scheme, the junction box 1 is provided with the leakage alarm 8, when the junction box 1 has liquid leakage, the leakage alarm 8 gives an alarm, and a user knows whether the liquid leakage exists according to the alarm.

Preferably, in the embodiment of the present disclosure, a second cable sealing assembly 6 is disposed at a connection position between the junction box 1 and the other end of the cable 9, and the connection position between the junction box 1 and the other end of the cable 9 is sealed and protected by the second cable sealing assembly 6, so that water is prevented from entering the cable 9 from a gap at the connection position, and thus, the cable 9 is effectively prevented from being affected by water.

Preferably, in the embodiment of the present application, the first cable sealing assembly 6 or the second cable sealing assembly 6 is composed of a rubber sealing assembly 601, a rubber wire clamp 602, a compression washer 603, a cable gland 604 and a connecting bolt 7; the pressing gaskets 603 are respectively fixed on the upper side and the lower side of the rubber sealing component 601, the rubber wire clamps 602 are fixed above the pressing gaskets 603, the cable gland 604 is divided into an upper block and a lower block, all the components are clamped in the middle, and the upper cable gland 604 and the lower cable gland 604 are connected through a connecting bolt 7; and the cable gland 604 is adjusted through the connecting bolt 7, and the rubber sealing component 601 and the rubber wire clamp 602 are tensioned, sealed and fixed by the uniform stress of the pressing gasket 603, so that the sealing effect is further achieved.

Preferably, in the embodiment of the present invention, the cable protection member 3 is a threading pipe, and is sleeved on the periphery of the cable 9 to protect the cable 9 well.

As is preferable in the present embodiment, the cable protector 3 includes: the wire threading pipe is connected with the water outlet taper pipe 4; the air guide sleeve is in a semicircular shape integrally, encloses the cable 9, guides the flow direction of water flow, isolates solid matters, and plays a role in preventing the cable 9 from being impacted and scratched; the threading pipe is in the cable 9 outside plays the effect of preventing 9 lines of cable receive water impact, cut brokenly, greatly reduced the motor operation 9 lines of well cable are cut brokenly and are caused the risk that the motor intake.

As is preferable in this embodiment, the fixing member includes: the terminal box comprises a flange 2, a first bolt and a second bolt, wherein the flange 2 is connected with the cable protector 3 through the first bolt, and the flange 2 is connected with the terminal box 1 through the second bolt. Adopt flange 2 to promote the firm nature of connection, be convenient for moreover carry out the bolt fastening.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a cable protection device of horizontal dive axial-flow pump which characterized in that includes: and one end of the cable protection piece is fixed to a junction box of the axial flow pump, the other end of the cable protection piece is fixed to a water outlet taper pipe of the axial flow pump, and the cable protection piece encloses a cable on the junction box.

2. The cable protection device of a horizontal submersible axial flow pump according to claim 1, wherein a first cable sealing assembly is provided at a connection position of the water outlet taper pipe and one end of the cable.

3. The cable protection device for a horizontal submersible axial flow pump according to claim 1, wherein a drain hole is formed in a lower side of the cable protection member.

4. The cable protection device for a horizontal submersible axial flow pump according to claim 1, wherein the junction box is provided with a leak alarm.

5. The cable protection device of a horizontal submersible axial flow pump according to claim 1, wherein a second cable sealing assembly is provided at a connection position of the junction box and the other end of the cable.

6. The cable protection device of a horizontal submersible axial flow pump according to claim 2 or 5, wherein the first cable sealing assembly or the second cable sealing assembly is composed of a rubber sealing assembly, a rubber wire clamp, a compression washer, a cable gland and a connecting bolt.

7. The cable protection arrangement of a horizontal submersible axial flow pump according to claim 1, wherein the cable protector is a conduit.

8. The cable protection arrangement of a horizontal submersible axial flow pump according to claim 1, wherein the cable protector comprises: the wire-passing pipe is connected with the water outlet taper pipe.

9. The cable protection arrangement of a horizontal submersible axial flow pump according to claim 8, wherein the fixture comprises: the flange is connected with the cable protection piece through the first bolt, and the flange is connected with the junction box through the second bolt.