CN217159159U

CN217159159U - Cable protection device for intelligent power distribution system

Info

Publication number: CN217159159U
Application number: CN202123453118.4U
Authority: CN
Inventors: 任崇洋; 闵宪伟; 丁万立; 丁保贺
Original assignee: Shandong Hongde Electric Power Technology Co ltd
Current assignee: Shandong Hongde Electric Power Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-09
Anticipated expiration: 2031-12-31

Abstract

The utility model provides an intelligence cable protection device for distribution system, includes threading pipe, connecting plate and sets up in the block device of the tip of connecting plate, and block device includes the spacing ring and is located the tip of spacing ring and can follow the gliding compact heap of spacing ring, and the threading pipe runs through the spacing ring is stretched into to the connecting plate, and the cable conductor can be followed the threading pipe and removed. The utility model discloses a entrance at the cable entering switch board sets up the protection device who has block device, make the cable conductor when getting into the switch board, block device slides along the cable conductor under the friction of cable conductor, make self be in the state of stretching, the cable conductor can slide in the threading pipe, when the cable conductor is outside to be removed to the switch board, block device slides and contracts under the friction of cable conductor, the cable conductor can not continue to move to the outside in the threading pipe by the block device block, avoided the cable conductor interface because draw to drag and take place not hard up.

Description

Cable protection device for intelligent power distribution system

Technical Field

The utility model belongs to the technical field of the cable protection, concretely relates to cable protection device for intelligent power distribution system.

Background

The cable is an electric energy or signal transmission device, and the cable is usually made by one or more conductors insulated from each other and an outer insulation protection layer, and is a conducting wire for transmitting electric power or information from one place to another place.

In intelligent power distribution system, the cable gets into in the switch board from the outside, carries out operations such as wiring in the switch board, but in case the cable receives to draw in the switch board outside and draws, the joint in the switch board just draws to take place not hard up because drawing easily, and current solution mostly gets into switch board department at the cable and fixes the cable on the switch board, but the cable wire after fixing has caused the difficulty to the maintenance in later stage.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides an intelligent cable protection device for distribution system, the utility model discloses a set up the protection device who has the block device in the entrance that the cable got into the switch board, make the cable conductor when getting into the switch board, the block device slides along the cable conductor under the friction of cable conductor, make self be in the state of stretching, the cable conductor can slide at the threading intraductal, when the outside removal of cable conductor switch board, the block device slides and contracts under the friction of cable conductor, the cable conductor can not continue to remove to the outside by the block device block in the threading intraductal, avoided the cable conductor interface because draw to drag and take place to become flexible.

The utility model discloses a realize through following technical scheme:

the utility model provides an intelligence cable protection device for distribution system, includes the threading pipe, the connecting plate and sets up in the block device of the tip of connecting plate, and the threading pipe is flexible threading pipe, can buckle along with the cable conductor, protects the electric wire of drawing forth from the switch board, prevents that the electric cable from being in switch board transmission friction buckling, makes the outer wearing and tearing of cable conductor cause the electric leakage, and the connecting plate is used for and switch board fixed connection, during the connection, and the threading pipe is located the switch board outside, and the block device is located the switch board inboard. The clamping device comprises a limiting ring and a pressing sheet which is positioned at the end part of the limiting ring and can slide along the limiting ring, the limiting ring is perpendicular to the connecting plate and is fixedly connected with the connecting plate, the pressing sheet can be opened when sliding out of the limiting ring, a cable channel is formed in the middle of the opened pressing sheet, a cable can pass through the middle of the pressing sheet, when the pressing sheet slides into the limiting ring, the limiting ring exerts a force on the pressing sheet in a direction of enabling the pressing sheet to contract, at the moment, the pressing sheet is clamped, a gap in the middle of the pressing sheet cannot enable the cable to pass through, the cable cannot pass through or be pressed by the pressing sheet and cannot move, the threading pipe penetrates through the connecting plate and extends into the limiting ring, the end part of the threading pipe is tightly attached to and fixed with the inner side surface of the limiting ring, and the cable passes through the threading pipe and the clamping device and can move along the threading pipe; when the cable moves outwards from the power distribution cabinet, the cable can drive the pressing sheet to move towards the limiting ring under the action of friction force, when the pressing sheet slides into the limiting ring, the space between the pressing sheets in a contraction state extruded by the limiting ring is reduced, and the cable penetrating through the pressing sheet is pressed in the threading pipe by the pressing sheet and cannot move outwards continuously; the cable conductor that will be compressed tightly removes in the switch board, and the cable conductor drives the clamp plate and slides to the direction of keeping away from the spacing ring under frictional force, works as the clamp plate roll-off during the spacing ring, the clamp plate no longer receives the pressure of spacing ring, and the clamp plate stretches to the outside, and distance between the clamp plate increases, no longer forms the extrusion force to the cable conductor, and the cable conductor can follow the threading pipe and continue to remove in the switch board this moment.

Further, the pressing sheet includes two arc rubber slabs that set up relatively, the arc rubber slab is the flexible sheet, the arc rubber slab is two semicircles that the internal diameter of radius and spacing ring is the same, when two arc rubber slabs all slide into spacing intra-annular, the side of two arc rubber slabs can laminate each other, and make up into a complete ring, the inboard of two arc rubber slabs all is equipped with the arch to the intermediate position of arc rubber slab, when the pressing sheet shrink, two arc rubber slabs inwards move simultaneously, distance between two archs reduces and forms the centre gripping to the cable that passes the pressing sheet.

Further, the bottom fixedly connected with lantern ring of pressing blade, the lantern ring and pressing blade fixed connection, the lantern ring can not the roll-off spacing ring produce the pulling force that prevents the pressing blade and break away from the spacing ring to the spacing ring when pressing blade roll-off spacing ring, lantern ring lateral surface is laminated mutually with the medial surface of spacing ring, and can slide along the direction of spacing ring in the spacing ring, the lantern ring can be at the spacing intra-annular rotation, the medial surface of the lantern ring is equipped with the protruding intra-annular protruding height that highly is less than the tight piece of clamp of protruding lantern ring that circumference evenly set up, the intra-annular arch of cover rubs with the cable conductor emergence when the cable conductor passes through, thereby make the cable conductor drive the lantern ring and slide, and then drive and press from both sides tight piece and slide in or roll-off the spacing ring.

Furthermore, the limiting ring outside is equipped with annular groove, is equipped with in the annular groove and can winds limiting ring pivoted adjustable ring, and the adjustable ring suit is outside annular groove to the annular groove rotates as the rotation track, and the lateral surface of adjustable ring is equipped with circumference align to grid's vertical stripe, and the person of facilitating the use rotates.

Furthermore, the outer side of the limiting ring is provided with a longitudinal rail and a transverse rail which penetrate through the side wall of the limiting ring, the longitudinal rail extends from the annular groove to the connecting plate along the axis direction of the limiting ring, the length of the longitudinal rail is equal to the height of the clamping piece, the transverse rail is perpendicular to the longitudinal rail and is connected with the end part of the transverse rail, the transverse rail extends from the end part of the longitudinal rail along the circumferential direction of the outer side surface of the limiting ring, the length of the transverse rail is 1/4 circumferences of the limiting ring, the transverse rail is located in the annular groove, and in a normal state, the transverse rail is shielded by the adjusting ring.

Furthermore, the lateral surface of the lantern ring is provided with a limiting rod, the limiting rod is perpendicular to the central axis of the cable sleeve and extends outwards from the lateral surface of the cable sleeve, the limiting rod penetrates through a transverse track or a longitudinal track on the limiting ring and slides along the transverse track or the longitudinal track, the limiting rod is cylindrical, and the outer end face of the limiting rod is flush with the lateral surface of the limiting ring. When the gag lever post was located longitudinal slide, the gag lever post can slide along longitudinal slide's direction, presss from both sides tight piece promptly and can follow the spacing ring and slide, changes shrink and the state of relaxing, and when the gag lever post was located transverse slide, it was in the state of relaxing to press from both sides tight piece, presss from both sides tight piece moreover and can't slide along the spacing ring, can't change the state.

Furthermore, the adjustable ring is equipped with the spacing groove, and the spacing groove is located the same cross section with the transverse slideway, and the transverse orbit is all sheltered from except the part relative with the spacing groove by the adjustable ring in all other parts.

Further, the gag lever post can get into the spacing groove along longitudinal rail and slide along horizontal track under the drive of adjustable ring. After the limiting rod positioned on the longitudinal slideway slides to the top of the longitudinal slideway, the limiting rod slides into the limiting groove of the adjusting ring to enter the transverse slideway, and the limiting rod entering the transverse slideway can only rotate along with the limiting groove.

Furthermore, the interior of the threading pipe is provided with a flexible rubber layer, the inner side of the flexible rubber layer is provided with a plurality of spherical cavities, the spherical cavities are circumferentially and uniformly arranged in the flexible rubber layer and are axially and uniformly arranged along the extending direction of the threading pipe, balls are embedded in the spherical cavities, and the opening diameter of each spherical cavity is smaller than the diameter of each ball, so that the balls in the spherical cavities are prevented from falling off from the spherical cavities.

Furthermore, the outer side of the flexible rubber layer is sleeved with a bending protection spring, the bending protection spring extends along the direction of the threading pipe, the outer side of the bending protection spring is further provided with a protection shell, and the bending protection spring can prevent the cable from being bent at an overlarge angle.

Drawings

Fig. 1 is a schematic front view of an exemplary embodiment of a cable protection device according to the present invention;

fig. 2 is a schematic structural diagram illustrating an exemplary embodiment of a fastening device of the cable protection device according to the present invention;

fig. 3 is a schematic structural diagram illustrating an exemplary embodiment of a stop collar of the cable protection device according to the present invention;

fig. 4 is a front cross-sectional view of an exemplary embodiment of the cable protection device of the present invention.

Reference numerals

1. The clamping device comprises a clamping device, 11, a clamping piece, 12, a limiting ring, 13, an adjusting ring, 14, a limiting groove, 15, a limiting rod, 16, a transverse rail, 17, a longitudinal rail, 18, an annular groove, 19, a lantern ring, 2, a connecting plate, 3, a threading pipe, 31, a flexible rubber layer, 32, a spherical cavity, 33, balls, 34, a bending protection spring, 35 and a shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms of orientation such as left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, i.e. the traveling direction of the product, and should not be considered as limiting.

In addition, it should be noted that the dynamic terms such as "relative movement" mentioned in the embodiments of the present invention include not only a change in position but also a movement in which a state changes without a relative change in position such as rotation or rolling.

Finally, it is noted that when an element is referred to as being "on" or "disposed" to another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1 to 4, a cable protection device for an intelligent power distribution system includes a threading pipe 3, a connection board 2 and a fastening device 1 disposed at an end of the connection board 2, the threading pipe 3 is a flexible threading pipe 3 capable of bending along with a cable to protect the cable entering a power distribution cabinet, so as to prevent the cable from being exposed to transmission friction at the power distribution cabinet when bending, and to cause electric leakage due to abrasion of the outer layer of the cable, the fastening device 1 includes a stop ring 12 and a pressing piece located at an end of the stop ring 12 and capable of sliding along the stop ring 12, the stop ring 12 is perpendicular to the connection board 2 and fixedly connected to the connection board 2, the pressing piece can be opened when sliding out of the stop ring 12, a cable channel is formed in the middle of the opened pressing piece, the cable can pass through the middle of the pressing piece, when the pressing piece slides into the stop ring 12, the stop ring 12 forms a force in a direction for contracting the pressing piece, the clamp plate presss from both sides tightly this moment, and the space in the middle of the clamp plate is unsatisfied to make the cable conductor pass through, and the cable conductor can't pass through, or is compressed tightly by the clamp plate, can't remove, and threading pipe 3 runs through connecting plate 2 and stretches into spacing ring 12, and the tip of threading pipe 3 and the medial surface of spacing ring 12 are close-fitting and fixed, and the cable conductor passes threading pipe 3 and block device 1 to can follow threading pipe 3 and remove.

When the cable moves outwards from the power distribution cabinet, the cable can drive the pressing sheet to move towards the limiting ring 12 under the action of friction force, when the pressing sheet slides into the limiting ring 12, the space between the pressing sheets in a contraction state extruded by the limiting ring 12 is reduced, and the cable penetrating through the pressing sheet is pressed in the threading pipe 3 by the pressing sheet and cannot move outwards continuously; the cable line that will be compressed tightly removes in the switch board, and the cable conductor drives the compact heap under the frictional force effect and slides to the direction of keeping away from spacing ring 12, works as the compact heap roll-off during spacing ring 12, the compact heap no longer receives the pressure of spacing ring 12, and the compact heap stretches to the outside, and the distance increase between the compact heap no longer forms the extrusion force to the cable conductor, and the cable conductor can follow threading pipe 3 at this moment and continue to remove in the switch board.

As shown in fig. 1, the compressing sheet includes two arc rubber plates that set up relatively, and the arc rubber plate is the flexible sheet, and the arc rubber plate is two semicircles that the radius is the same with spacing ring 12's internal diameter, and when two arc rubber plates were whole to be slided into spacing ring 12 in, the side of two arc rubber plates can laminate each other to make up into a complete ring, the inboard of two arc rubber plates all is equipped with the arch to the intermediate position of arc rubber plate.

When the compressing piece contracts, the two arc-shaped rubber plates move inwards at the same time, the distance between the two bulges is reduced, and a cable penetrating through the compressing piece is clamped.

As shown in fig. 4, the bottom fixedly connected with lantern ring 19 of clamping piece, lantern ring 19 and clamping piece fixed connection, lantern ring 19 can not roll off spacing ring 12 and can produce the pulling force that prevents the clamping piece to break away from spacing ring 12 to spacing ring 12 when clamping piece roll-off spacing ring 12, lantern ring 19 lateral surface is laminated mutually with the medial surface of spacing ring 12, and can slide along the direction of spacing ring 12 in spacing ring 12, lantern ring 19 can rotate in spacing ring 12, the medial surface of lantern ring 19 is equipped with the protruding height that the protruding height in the protruding lantern ring 19 that circumference evenly set up is less than the bulge height of clamping piece 11.

When the cable passes through the lantern ring 19, the cable rubs against the bulge in the lantern ring 19, so that the lantern ring 19 is driven to slide, and the clamping piece 11 is driven to slide into or out of the limiting ring 12.

As shown in fig. 3, an annular groove is formed in the outer side of the limit ring 12, an adjusting ring 13 capable of rotating around the limit ring 12 is arranged in the annular groove, the adjusting ring 13 is sleeved outside the annular groove 18 and rotates by taking the annular groove 18 as a rotating track, and vertical stripes which are uniformly arranged in the circumferential direction are arranged on the outer side surface of the adjusting ring 13, so that a user can rotate the adjusting ring conveniently.

As shown in fig. 3, a longitudinal rail 17 and a transverse rail 16 penetrating through the side wall of the stop ring 12 are arranged outside the stop ring 12, the longitudinal rail 17 extends from the annular groove 18 to the connecting plate 2 along the axial direction of the stop ring 12, the length of the longitudinal rail 17 is the same as the height of the clamping piece 11, the transverse rail 16 is perpendicular to the longitudinal rail 17, the longitudinal rail 17 is connected with the end of the transverse rail 16, the transverse rail 16 extends from the end of the longitudinal rail 17 along the outer side surface of the stop ring 12 in the circumferential direction, the length of the transverse rail 16 is 1/4 circumference of the stop ring 12, the transverse rail 16 is located in the annular groove, and the transverse rail 16 is shielded by the adjusting ring 13 in a normal state.

As shown in fig. 2, a limiting rod 15 is disposed on an outer side surface of the collar 19, the limiting rod 15 is perpendicular to a central axis of the cable sheath and extends outward from the outer side surface of the cable sheath, the limiting rod 15 passes through a transverse rail 16 or a longitudinal rail 17 on the limiting ring 12 and slides along the transverse rail 16 or the longitudinal rail 17, the limiting rod 15 is cylindrical, and an outer end surface of the limiting rod 15 is flush with the outer side surface of the limiting ring 12.

When a cable is introduced into the power distribution cabinet, the limiting rod 15 slides to the longitudinal slide way, the limiting ring 12 of the adjusting ring 13 is rotated to the direction far away from the longitudinal slide way, at the moment, the limiting rod 15 is positioned in the longitudinal slide way, when the cable is threaded into the power distribution cabinet, the cable and the lantern ring 19 rub to drive the limiting rod 15 and the clamping piece 11 to move towards the outer side of the limiting ring 12 along the direction of the longitudinal slide way, when the limiting rod 15 slides to the top of the longitudinal slide way, due to the blocking of the adjusting ring 13, the limiting rod 15, the lantern ring 19 connected with the limiting rod 15 and the clamping piece 11 connected with the lantern ring 19 do not move any more, the clamping piece 11 keeps an extended state, when the cable slides towards the outer side of the power distribution cabinet, the lantern ring 19 can also slide outwards together with the cable under the friction force, the clamping piece 11 gradually shrinks in the process of sliding along with the lantern ring 19, and clamps the cable in the threading pipe 3, when the switch board is withdrawn from with the cable conductor to needs, earlier aim at the longitudinal slide with the spacing groove 14 of adjustable ring 13, to switch board direction removal cable conductor, gag lever post 15 enters into the spacing groove 14 along longitudinal sliding, rotates adjustable ring 13, makes gag lever post 15 change over to horizontal slide, and at this moment, clamp plate 11 is fixed at the state of stretching, and the cable conductor can normally roll off.

As shown in fig. 2, the adjusting ring 13 is provided with a limiting groove 14, the limiting groove 14 and the transverse slideway are located in the same section, and the rest parts of the transverse track 16 except for the part opposite to the limiting groove 14 are shielded by the adjusting ring 13.

As shown in fig. 2, the limiting rod 15 can enter the limiting groove 14 along the longitudinal rail 17 and slide along the transverse rail 16 under the driving of the adjusting ring 13.

The limiting rod 15 located on the longitudinal slideway slides to the top of the longitudinal slideway, then slides into the limiting groove 14 of the adjusting ring 13 and enters the transverse slideway, and the limiting rod 15 entering the transverse slideway can only rotate along with the limiting groove 14.

As shown in fig. 4, a flexible rubber layer 31 is arranged in the threading pipe 3, a plurality of spherical cavities 32 are arranged on the inner side of the flexible rubber layer 31, the spherical cavities 32 are uniformly arranged in the flexible rubber layer 31 in the circumferential direction and are uniformly arranged along the extending direction of the threading pipe 3 in the axial direction, balls 33 are embedded in the spherical cavities 32, the opening diameter of the spherical cavities 32 is smaller than the diameter of the balls 33, and the balls 33 in the spherical cavities 32 are prevented from falling from the spherical cavities 32.

Preferably, the outer side of the flexible rubber layer 31 is sleeved with a bending protection spring 34, the bending protection spring 34 extends along the direction of the threading pipe 3, the outer side of the bending protection spring 34 is further provided with a protection shell 35, and the bending protection spring can prevent the cable from being bent at an excessively large angle.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A cable protection device for an intelligent power distribution system is characterized by comprising a threading pipe, a connecting plate and a clamping device arranged at the end part of the connecting plate, wherein the clamping device comprises a limiting ring and a pressing sheet which is positioned at the end part of the limiting ring and can slide along the limiting ring;

when the pressing sheet slides into the limiting ring, the pressing sheet is in a contraction state, and the cable is pressed in the threading pipe by the pressing sheet;

when the pressing sheet slides out of the limiting ring, the pressing sheet is in a stretching state, and the cable can move along the threading pipe.

2. The cable protection device for the intelligent power distribution system according to claim 1, wherein the pressing piece comprises two arc-shaped rubber plates which are arranged oppositely, and the arc-shaped rubber plates are provided with bulges extending towards the middle parts.

3. The cable protection device for the intelligent power distribution system according to claim 1, wherein a lantern ring is fixedly connected to the bottom of the compression piece, the lantern ring is attached to the inner wall of the limit ring and can rotate in the limit ring, and protrusions evenly arranged in the circumferential direction are arranged on the inner side face of the lantern ring.

4. The cable protection device for the intelligent power distribution system according to claim 3, wherein an annular groove is formed outside the limit ring, and an adjusting ring capable of rotating around the limit ring is arranged in the annular groove.

5. The cable protector for the intelligent power distribution system according to claim 4, wherein a longitudinal rail and a transverse rail penetrating through a side wall of the retainer ring are arranged outside the retainer ring, the longitudinal rail is connected with an end of the transverse rail, and the transverse rail is located in the annular groove.

6. The cable protection device for the intelligent power distribution system according to claim 5, wherein a limiting rod is arranged on an outer side surface of the sleeve ring, and the limiting rod can slide along the transverse rail or the longitudinal rail.

7. The cable protector of claim 6, wherein the adjusting ring has a limiting groove, and the limiting groove is opposite to the transverse rail.

8. The cable protector for intelligent power distribution system of claim 7, wherein the limiting rod can enter the limiting groove along the longitudinal rail and slide along the transverse rail under the driving of the adjusting ring.

9. The cable protection device for the intelligent power distribution system according to claim 1, wherein a flexible rubber layer is arranged in the threading pipe, a plurality of spherical cavities are arranged on the inner side of the flexible rubber layer, the spherical cavities are uniformly arranged in the flexible rubber layer in the circumferential direction and are uniformly arranged in the axial direction of the threading pipe, and balls are embedded in the spherical cavities.

10. The cable protection device for the intelligent power distribution system according to claim 9, wherein a bending protection spring is sleeved outside the flexible rubber layer, the bending protection spring extends along the direction of the threading pipe, and a protection shell is further arranged outside the bending protection spring.