CN211930158U - Cable lead-up wire protection sleeve - Google Patents

Abstract

The utility model relates to the technical field of electric power tools, in particular to a cable lead-up wire protection sleeve, which comprises a vertical pipe made of hard insulating materials, wherein the bottom of the vertical pipe is fixedly connected with the ground and communicated with an underground cable trench, the top end of the vertical pipe is provided with a plugging head, a perforation for leading up wires to extend out is arranged on the plugging head, and at least one clamping mechanism for supporting and fixing the lead-up wires is arranged in the vertical pipe; the utility model relates to a cable is drawn line protective case can carry out effectual protection and fixed stay to drawing the line, and structural design is reasonable, the construction installation of being convenient for.

Description

Cable lead-up wire protection sleeve

Technical Field

The utility model relates to an electric power tool technical field specifically is a cable is drawn line protective case.

Background

The cables are usually erected at high altitude in the power system, but some places cannot be erected at high altitude due to objective reasons, most of the cables penetrate through an underground cable trench and then penetrate out of the underground cable trench to be erected at high altitude, and the section of the cable between the high altitude erection and the underground cable trench is generally called an up-lead wire. At present, the lead-on line relatively lacks the protection, and the majority is directly exposed in external environment, and is impaired easily, and the lead-on line lacks the support fixed, and the dead weight of lead-on line can lead to lead-on line and high altitude to erect joint department and has born too big pulling force and damage easily, because the lead-on line lacks the protection moreover, leads to foreign matters such as animal, rainwater easily to get into underground cable ditch along the lead-on line and cause the damage to the cable in the underground cable ditch, brings the influence to the safe operation of cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a cable and draw line protective case, can carry out effectual protection and fixed stay to drawing the line, and structural design is reasonable, the construction installation of being convenient for.

The utility model discloses a following technical scheme realizes:

the utility model provides a cable is drawn line protective case, includes the standpipe of stereoplasm insulating material, the bottom fixed connection ground of standpipe and intercommunication underground cable ditch, the top of standpipe is equipped with the shutoff head, is equipped with on the shutoff head to be used for supplying to draw the perforation that the line stretches out, is equipped with at least one in the standpipe to be used for drawing the line and carry out the fixture that supports fixedly.

Preferably, the standpipe is for closing formula structure, closes and fixed connection by two half shells and forms, and the both sides limit of two half shells is equipped with sand grip and slot that can embedded tight fit each other respectively to the involution face that makes two half shells is the folded surface.

Preferably, the clamping structure comprises a clamping seat fixedly connected to one of the half shells and a clamping plate detachably connected to the clamping seat through a fastener, so that the clamping plate and the clamping seat can be matched to clamp the lead-up wire passing through the clamping seat.

Preferably, the clamping seat and the clamping plate are of concave arc structures which are mutually involutory and are used for matching with the positions of the clamping leading-in wires, and the surfaces of the concave arc structures are provided with soft insulating layers.

Preferably, the cable draws line protective sleeve still includes at least one side mount, and the side mount transversely sets up, and the side mount includes the link, and the one end of link is equipped with the first connection structure who is used for fixed connection standpipe, and the other end is equipped with the second connection structure who is used for the fixed connection stand.

Preferably, first connection structure is for holding tightly the first staple bolt of standpipe, second connection structure is for holding tightly the second staple bolt of stand, the second staple bolt is detachable to box-like staple bolt to can utilize with half limit of staple bolt that the link is connected carries out fixed connection with founding the wall as the base, the fastener of cooperation second staple bolt.

Preferably, the pipe wall of the vertical pipe is of a three-layer structure comprising an outer wall, a middle overhead layer and an inner wall.

Preferably, the lower end of the vertical pipe is fixedly connected with the ground through a pipe seat and communicated with an underground cable trench, the pipe seat is of an oppositely-combined structure encircling the vertical pipe, and the oppositely-combined structure of the pipe seat is connected through a fastening piece.

Preferably, the plugging head is made of elastic insulating waterproof materials, and the diameter of the through hole is smaller than that of the leading-up wire, so that the plugging head is extruded to be elastically deformed when the leading-up wire passes through the through hole, and the sealing performance between the plugging head and the outer surface of the leading-up wire is improved.

Compared with the prior art, the utility model relates to a cable is drawn line protective case's beneficial effect is: when the cable is used, the lead-up wire penetrates through the vertical pipe to be connected with the overhead erection cable, and the vertical pipe can provide effective protection for the lead-up wire; the upper lead wire is fixedly supported by the clamping mechanism arranged in the vertical pipe, so that the tension borne by the upper lead wire and a high-altitude erection joint can be effectively reduced; the vertical pipe is fixedly connected with a vertical wall (such as a wall surface) or an upright post (such as a telegraph pole) through the side fixing frame, so that the stability of the whole structure can be improved; the sealing plug arranged at the upper end of the vertical pipe can effectively prevent foreign matters such as rainwater and animals from entering the vertical pipe and further entering the underground cable trench; the vertical pipe is of an involutory structure, so that the vertical pipe can be conveniently and directly installed on the existing lead-up wire in an involutory manner without disassembling the lead-up wire, and the clamping mechanism is convenient to assemble and disassemble; the side edges of the two half shells of the vertical pipe are in embedded tight fit connection, so that the structural strength and the protective performance can be effectively improved, the creepage distance can be increased even if the insulating sheath of the lead-in wire is damaged and leaks electricity, and the joint surface of the vertical pipe is a folded surface, so that the injury to personnel or animals outside the vertical pipe is prevented; the pipe wall of standpipe adopts the three layer construction who has middle built on stilts layer, can increase standpipe structural strength and shock resistance, and through the air bed in the built on stilts layer, can increase protective barrel's insulating properties.

The conception, the specific structure and the effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is one of the schematic structural reference diagrams of the use state of the cable leading-up wire protective sleeve in the embodiment;

fig. 2 is a second reference structure diagram of the use state of the cable lead-in wire protective sleeve in the embodiment;

fig. 3 is the internal structure schematic diagram of the standpipe in the cable upper line protection sleeve of the present invention.

Wherein: the vertical pipe comprises a vertical pipe 1, a side fixing frame 2, a connecting frame 21, a first anchor ear 22, a second anchor ear 23, a pipe seat 3, a blocking head 4, a clamping mechanism 5, a clamping seat 51, a clamping plate 52, a leading-up wire 6, a telegraph pole 7 and a wall 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.

As shown in fig. 1-3, a cable is drawn line protective case, including standpipe 1 of stereoplasm insulating material, and two on, the side mount 2 that the interval set up down, 3 fixed connection ground and intercommunication underground cable ditch are passed through to the bottom of standpipe 1, the top of standpipe 1 is equipped with shutoff head 4, be equipped with on the shutoff head 4 and be used for supplying to draw the perforation that line 6 stretched out, shutoff head 4 is the waterproof material of elastic insulation, and the fenestrate diameter is less than the diameter of drawing line 6, thereby extrusion shutoff head 4 carries out elastic deformation when making to draw line 6 to pass the perforation, with increase shutoff head 4 and draw the leakproofness between the line surface, in standpipe 1, the interval is equipped with a plurality of and is used for supporting fixed fixture 5 to drawing line 6 down.

The standpipe 1 is the involution formula structure, is formed by two half shells involution and fixed connection, and the both sides limit of two half shells is equipped with sand grip and slot that can embedded tight fit each other respectively to the involution face that makes two half shells is the folded surface. The vertical pipe 1 is of an involutory structure, so that the vertical pipe 1 can be conveniently and directly installed on the existing lead-up wire in an involutory manner without disassembling the lead-up wire, and the clamping mechanism 5 is convenient to assemble and disassemble; the side of two half shells of standpipe 1 carries out embedded tight fit and connects to can effectively increase structural strength and barrier propterty, even lead the damaged electric leakage of insulating crust of line, the joint face of standpipe 1 also can increase creepage distance for the folded surface, prevents to cause the injury to personnel or animal outside standpipe 1.

The tube socket 3 is the same for the involution formula structure, and embraces in the 1 hypomere outside of standpipe, increases standpipe 1's structural strength, and two half shells of tube socket 3 are connected through the fastener.

The pipe wall of the vertical pipe 1 is of a three-layer structure comprising an outer wall, a middle overhead layer and an inner wall. The pipe wall of standpipe 1 adopts the three layer construction who has middle built on stilts layer, can increase 1 structural strength of standpipe and shock resistance, and through the air bed in the built on stilts layer, can increase protective barrel's insulating properties.

The clamping structure 5 comprises a clamping seat 51 fixedly connected to one of the half shells, and a clamping plate 52 detachably connected to the clamping seat 51 by a fastener, so that the clamping plate 52 and the clamping seat 51 can be matched to clamp the lead-up wire passing through. The clamping seat 51 and the clamping plate 52 are concave arc structures which are mutually involutory and are used for matching with the parts for clamping the leading-in wire, and the surface of the concave arc structures is provided with rubber or sponge.

Side mount 2 transversely sets up, and side mount 2 includes link 21, and the one end of link 21 is equipped with the first staple bolt 22 that is used for fixed connection standpipe 1, and the other end is equipped with the second staple bolt 23 that is used for fixed connection wire pole 7, and second staple bolt 23 is detachable to box-like staple bolt to can utilize the staple bolt half limit of being connected with link 21 as the base, cooperate the fastener of second staple bolt 23 to carry out fixed connection with wall 8.

When the cable is used, the lead-up wire 6 penetrates through the vertical pipe 1 to be connected with a high-altitude erection cable, and the vertical pipe 1 can provide effective protection for the lead-up wire 6; the lead-up wire 6 is protectively fixed and supported by the clamping mechanism 5 arranged in the vertical pipe 1, so that the tension borne by the lead-up wire 6 and a joint of a high-altitude overhead cable can be effectively reduced; the vertical pipe 1 is fixedly connected with a vertical wall (such as a wall surface) or an upright post (such as a telegraph pole) through the side fixing frame 2, so that the stability of the whole structure can be improved; the sealing head 4 arranged at the upper end of the vertical pipe 1 can effectively prevent foreign matters such as rainwater and animals from entering the vertical pipe 1 and further entering an underground cable trench;

the above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of protection covered by the present application is not limited to the embodiments with a specific combination of the features described above, but also covers other embodiments with any combination of the features described above or their equivalents without departing from the scope of the present application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (9)

1. The utility model provides a cable is drawn line protective case which characterized in that, includes the standpipe of stereoplasm insulating material, the bottom fixed connection ground of standpipe and the underground cable ditch that communicates, the top of standpipe is equipped with the shutoff head, is equipped with on the shutoff head to be used for supplying to draw the perforation that the line stretches out, is equipped with at least one in the standpipe to be used for drawing the line and carry out the fixture that supports fixedly.

2. The cable entry protective sleeve according to claim 1, wherein the vertical tube is of an involutory structure and is formed by involutory combination and fixed connection of two half-shells, and the two side edges of the two half-shells are respectively provided with a protruding strip and a slot capable of being embedded into each other and tightly fitting, so that the involutory surfaces of the two half-shells are folded surfaces.

3. A cable upcomer protective sleeve according to claim 1, wherein the clamping means comprises a clamping block fixedly attached to one of the half shells and a clamping plate releasably attached to the clamping block by fasteners such that the clamping plate and the clamping block cooperate to clamp a upcomer extending therethrough.

4. The cable leading-in wire protection sleeve according to claim 3, wherein the parts of the clamping seat and the clamping plate for clamping the leading-in wire are concave arc structures which are mutually involutory, and the surface of the concave arc structures is provided with a soft insulating layer.

5. The cable entry protective sleeve of claim 1 further comprising at least one side mount, the side mount being laterally disposed, the side mount comprising a connector, one end of the connector having a first connecting structure for fixedly connecting to a vertical tube and the other end having a second connecting structure for fixedly connecting to a vertical post.

6. The cable entry protective sleeve according to claim 5, wherein the first connecting structure is a first anchor ear capable of tightly holding the vertical tube, the second connecting structure is a second anchor ear capable of tightly holding the vertical tube, and the second anchor ear is a detachable butt-joint anchor ear, so that the half side of the anchor ear connected with the connecting frame can be used as a base to be fixedly connected with the vertical wall by a fastener of the second anchor ear.

7. The cable entry protective sleeve of claim 1 wherein the wall of the standpipe is a three-layer structure including an outer wall, an intermediate elevated layer, and an inner wall.

8. The cable entry protective sleeve of claim 1, wherein the lower end of the vertical tube is fixedly connected to the ground and communicates with the underground cable trench through a tube seat, the tube seat is of an interlocking structure surrounding the vertical tube, and the interlocking structure of the tube seat is connected through a fastener.

9. The cable entry protective sleeve of claim 1, wherein the plug head is made of an elastic, insulating and waterproof material, and the diameter of the through hole is smaller than the diameter of the entry wire, so that the plug head is pressed to be elastically deformed when the entry wire passes through the through hole, thereby increasing the sealing property between the plug head and the outer surface of the entry wire.

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