CN112038989A

CN112038989A - Water-blocking damp-proof power cable protection structure

Info

Publication number: CN112038989A
Application number: CN202010873045.5A
Authority: CN
Inventors: 廖建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-12-04

Abstract

The invention discloses a water-blocking and damp-proof power cable protection structure which comprises a protection main pipe, wherein an inner sealing gasket is arranged on the inner side of the protection main pipe, a reinforcing mechanism is arranged inside the protection main pipe, a buffer mechanism is arranged inside the inner sealing gasket, a sealing bulge is arranged at the edge of the inner surface of the inner sealing gasket, connecting sliding grooves are formed in the inner wall of the protection main pipe and the outer surface of the inner sealing gasket, connecting sliding blocks are arranged on two sides of the outer surface of the inner sealing gasket and two sides of the inner surface of the protection main pipe, and the connecting sliding blocks are slidably arranged; according to the invention, by designing the inner sealing gasket and the sealing bulge on the inner side of the protection main pipe, when the protection main pipe is fixedly arranged at the bending and damaged part of the power cable, the inner sealing gasket is attached to the surface of the power cable, and the sealing of the bending and damaged part is enhanced through the sealing bulge, so that the protection main pipe can effectively prevent water and moisture at the bending and damaged part of the power cable when the power cable is protected.

Description

Water-blocking damp-proof power cable protection structure

Technical Field

The invention relates to the technical field of power cables, in particular to a water-blocking and moisture-proof power cable protection structure.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.

The bending part of the power cable is reinforced to prevent the bending damage part from being damaged when the existing power cable protection structure is used, and the phenomenon of water seepage at the bending damage part which is not sealed tightly can occur when the existing power cable protection structure is fixedly installed, so that the water-blocking and moisture-proof power cable protection structure is needed to be designed to solve the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a water-blocking and moisture-proof power cable protection structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a damp-proofing power cable protective structure blocks water, is responsible for including the protection, the inboard that the protection was responsible for is provided with the inner packing pad, the inside that the protection was responsible for is provided with strengthens the mechanism, the inside of inner packing pad is provided with buffer gear, the edge of the internal surface of inner packing pad is provided with sealed arch, the connection spout has all been seted up to the inner wall that the protection was responsible for and the surface of inner packing pad, the both sides of inner packing pad surface and protection are responsible for the internal surface both sides and all are provided with link block, and link block slidable mounting is in connecting the spout.

Further, buffer gear includes dashpot and cushion, inside including sealed pad is seted up to the dashpot, the inside at the dashpot is installed to the cushion, the inside fixedly connected with buffering backup pad of dashpot, and the cushion is located between the buffering backup pad.

Further, strengthening mechanism includes the backup pad and thermal-insulated rock wool of filling, the backup pad sets up the inside of being responsible for at the protection, thermal-insulated rock wool of filling is filled between the backup pad.

Furthermore, buffer gear still includes buffering lug, buffering push pedal and buffer spring, including sealed inboard of filling up of buffering lug fixed mounting and insert in the blotter, the inside at the blotter is installed to the buffering push pedal, buffer spring's one end is installed on the buffering push pedal, buffer spring's the other end and buffering backup pad fixed connection.

Furthermore, the buffering push pedal is installed in the blotter in the slope form, and the one end outside of buffering lug is on the buffering push pedal.

Further, the backup pad is cellular setting in the inside of being responsible for of protection, and the both sides of backup pad are responsible for the block with the protection and are fixed.

Furthermore, the cross section of the connecting sliding groove is in a T shape, and the connecting sliding block and the connecting sliding groove are in the same shape.

The invention has the beneficial effects that:

1. through the design in the inboard sealed pad of protection person in charge and sealed arch, be responsible for fixed mounting in the crooked damaged department of power cable at the protection when, through the laminating of sealed pad in the surface of power cable and strengthen the sealed to crooked damaged department through sealed arch to make the protection be responsible for effectually when protecting power cable and block water dampproofingly to the crooked damaged department of power cable, thereby prevent to protect and be responsible for the inside phenomenon of seeping water of the crooked damaged department of power cable.

2. Through the blotter of design, buffering lug and buffering push pedal, when sealed the covering of filling up including receiving external force on power cable, can promote buffering push pedal compression buffer spring through the elasticity of sealed pad in with buffering lug and cushion to reduce the impact that power cable received.

3. Through the backup pad of design and thermal-insulated packing rock wool, can reduce the weight that the protection was responsible for, and the backup pad becomes cellular setting to make the supporting effect of backup pad do not influence the protective effect who protects the person in charge better, and reduce ambient temperature through thermal-insulated packing rock wool and to power cable's influence, thereby protect power cable bending damage department better.

Drawings

Fig. 1 is a schematic structural view of a water-blocking and moisture-proof power cable protection structure according to the present invention;

FIG. 2 is a schematic cross-sectional view of a water-blocking and moisture-proof power cable protection structure according to the present invention;

FIG. 3 is a schematic view of the internal structure of an inner gasket of a water-blocking and moisture-proof power cable protection structure according to the present invention;

fig. 4 is a schematic structural view of a supporting plate of a water-blocking and moisture-proof power cable protection structure according to the present invention.

In the figure: the protective device comprises a protective main pipe 1, an inner sealing gasket 2, a sealing bulge 3, a butt bolt 4, a support plate 5, a connecting slide block 6, a connecting slide groove 7, a buffering support plate 8, a buffering groove 9, a buffering cushion 10, a buffering lug 11, a buffering push plate 12, a buffering spring 13 and heat-insulating filling rock wool 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 4 simultaneously, a dampproofing power cable protective structure blocks water, including the protection person in charge 1, the inboard of the protection person in charge 1 is provided with the inside seal 2, the inside of the protection person in charge 1 is provided with the strengthening mechanism, the inside of the inside seal 2 is provided with buffer gear, the edge of the internal surface of the inside seal 2 is provided with sealed arch 3, the connection spout 7 has all been seted up to the inner wall of the protection person in charge 1 and the surface of the inside seal 2, the both sides of the external surface of the inside seal 2 and the both sides of the internal surface of the protection person in charge 1 all are provided with link block 6, and link block 6 slidable mounting is in connecting spout 7, establish through the inside seal 2 cover and carry out sealing protection in power cable bending damage department, and strengthen sealed the.

Further, buffer gear includes dashpot 9 and buffer pad 10, and inside including sealed pad 2 is seted up to dashpot 9, and buffer pad 10 is installed in the inside of dashpot 9, the inside fixedly connected with buffering backup pad 8 of dashpot 9, and buffer pad 10 is located between the buffering backup pad 8, and the atress can be cushioned through buffering lug 11 compression buffer pad 10 when sealed pad 2 uses including.

Further, strengthening mechanism includes backup pad 5 and thermal-insulated rock wool 14 that fills, and backup pad 5 sets up in the inside of the protection person in charge 1, and thermal-insulated rock wool 14 that fills is filled between backup pad 5, strengthens the support of interior sealed pad 2 through backup pad 5 to through thermal-insulated rock wool 14 that fills that separates the temperature and reduce the influence of external temperature to power cable.

Further, buffer gear still includes buffering lug 11, buffering push pedal 12 and buffer spring 13, including 11 fixed mounting of buffering lug in sealed 2 inboard and insert blotter 10, buffering push pedal 12 is installed in the inside of blotter 10, buffer spring 13's one end is installed on buffering push pedal 12, buffer spring 13's the other end and 8 fixed connection of buffering backup pad, it slides to promote the buffering push pedal 12 in the blotter 10 through buffering lug 11, compression buffer spring 13 and buffer pad 10 cushion.

Furthermore, buffering push pedal 12 is the slope form and installs in blotter 10, and the one end outside of buffering lug 11 is on buffering push pedal 12, makes things convenient for buffering lug 11 to promote buffering push pedal 12 and slides and compress buffer spring 13 and cushion.

Further, backup pad 5 is cellular setting and is responsible for the inside of 1 at the protection, and the both sides of backup pad 5 are responsible for 1 block with the protection and are fixed, make backup pad 5's supporting effect better, and make backup pad 5 install and be responsible for 1 interior more stable at the protection.

Furthermore, the cross section of the connecting sliding chute 7 is in a T shape, and the connecting sliding block 6 and the connecting sliding chute 7 are in the same shape, so that the connecting sliding block 6 can conveniently slide in the connecting sliding chute 7.

The working principle is as follows: when in use, the protective main pipe 1 and the inner sealing gasket 2 are sleeved at the bending damage position of the power cable, then the protective main pipe 1 is tightened and fixed through the involutory bolt 4, and the protective main pipe 1 tightens the inner sealing gasket 2 to be tightly pressed at the bending damage part of the power cable through the sliding of the connecting slide block 6 and the connecting slide groove 7, and the sealing is strengthened through the sealing bulge 3, when the protective main pipe 1 is impacted on the inner sealing gasket 2 by external force, the buffer is performed through the buffer supporting plate 8 and the buffer gasket 10, and drives the buffering convex block 11 to push the buffering push plate 12 to slide and compress the buffering spring 13 for assisting buffering, thereby reducing the stress of the power cable, strengthening the protection of the protection main pipe 1 through the supporting plate 5 in the protection main pipe 1, and the influence of the external temperature on the bending and damage position of the power cable is reduced by heat-insulating filling rock wool 14, so that the protection effect of the protection structure on the power cable is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a dampproofing power cable protective structure blocks water, is responsible for (1) including the protection, its characterized in that, the inboard that the protection was responsible for (1) is provided with the inner packing pad (2), the inside that the protection was responsible for (1) is provided with strengthens the mechanism, the inside of inner packing pad (2) is provided with buffer gear, the edge of the internal surface of inner packing pad (2) is provided with sealed arch (3), the connection spout (7) have all been seted up with the surface of inner packing pad (2) to the inner wall that the protection was responsible for (1), the both sides of inner packing pad (2) surface and protection are responsible for (1) internal surface both sides and all are provided with link block (6), and link block (6) slidable mounting is in connecting spout (7).

2. A water-blocking moisture-proof power cable protection structure as claimed in claim 1, wherein the buffering mechanism comprises a buffering groove (9) and buffering pads (10), the buffering groove (9) is opened inside the inner sealing pad (2), the buffering pads (10) are installed inside the buffering groove (9), the buffering supporting plates (8) are fixedly connected inside the buffering groove (9), and the buffering pads (10) are located between the buffering supporting plates (8).

3. A water-blocking moisture-proof power cable protection structure as claimed in claim 1, wherein said reinforcing means comprises supporting plates (5) and heat-insulating filling rock wool (14), said supporting plates (5) being arranged inside the main protection pipe (1), said heat-insulating filling rock wool (14) being filled between the supporting plates (5).

4. A water-blocking moisture-proof power cable protection structure as claimed in claim 2, wherein the buffering mechanism further comprises a buffering protrusion (11), a buffering push plate (12) and a buffering spring (13), the buffering protrusion (11) is fixedly installed inside the inner sealing pad (2) and inserted into the buffering pad (10), the buffering push plate (12) is installed inside the buffering pad (10), one end of the buffering spring (13) is installed on the buffering push plate (12), and the other end of the buffering spring (13) is fixedly connected with the buffering support plate (8).

5. A water-blocking moisture-proof power cable protection structure as claimed in claim 4, wherein said buffering push plate (12) is installed in the buffering pad (10) in an inclined manner, and one end of the buffering projection (11) is located on the buffering push plate (12) at the outer side.

6. A water-blocking moisture-proof power cable protection structure as claimed in claim 3, wherein the support plate (5) is disposed inside the main protection pipe (1) in a honeycomb shape, and both sides of the support plate (5) are fixed to the main protection pipe (1) in a snap-fit manner.

7. A water-blocking moisture-proof power cable protection structure as claimed in claim 1, wherein the cross-sectional shape of the connecting chute (7) is T-shaped, and the connecting slider (6) and the connecting chute (7) have the same shape.