CN213636980U

CN213636980U - Sliding connection's cable trench is reformed transform and is used cable wall device

Info

Publication number: CN213636980U
Application number: CN202022687821.0U
Authority: CN
Inventors: 殷冬冬; 张慧丽; 余宁; 曹凯; 路书芬; 于波
Original assignee: Zhengzhou Electric Power College
Current assignee: Zhengzhou Electric Power College
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-06
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a cable wall penetrating device for cable trench reconstruction of sliding connection, including frame, solid monomer and hollow monomer, two backs of frame are equipped with the backplate that has a plurality of round holes, the frame is enclosed by a plurality of boards end to end, all is provided with the spout that the even interval set up on each board, installs a plurality of solid monomers or hollow monomer in the frame, be provided with the slider that cooperates with the spout on each board on solid monomer or the hollow monomer, adopt the mode of spout and slider to connect between each solid monomer and the hollow monomer equally; the utility model discloses adopt the sliding mode of spout and slider to connect between frame, solid monomer and the hollow monomer to be convenient for install or change solid monomer or hollow monomer, convenient operation reduces the human cost.

Description

Sliding connection's cable trench is reformed transform and is used cable wall device

Technical Field

The utility model belongs to electric power facility field especially relates to a sliding connection's cable trench is reformed transform and is used cable wall device.

Background

The through-wall plugging of the cable of the transformer substation is an effective measure for preventing the occurrence of cable fire and preventing flame from delaying combustion, small animals from entering, toxic smoke from diffusing and moisture from entering, and is an indispensable component in a fire protection system of the transformer substation. According to the industrial regulations, the cable shaft and the through-wall hole must be strictly sealed. If the plugging is not tight, small animals are easy to enter to cause short circuit, and large-area power failure is caused in serious conditions, so that the safe and stable operation of a power grid is influenced. Therefore, in the power transformation operation and maintenance management, the fireproof design and the plugging scheme of the cable are optimized, accidents caused by cable ignition and small animal entering are reduced to the maximum extent, and terminal damp caused by untight plugging is reduced, so that the method has important significance for protecting the equipment safety of a transformer substation and improving the power supply reliability.

In the aspect of plugging holes of a cable trench entering a room, refractory bricks and cement are adopted for plugging, the plugging is solid and firm, small animals can be prevented from entering the cable trench, certain requirements are met on plugging skills, and the trench body is built by cement, so that the trench body is easy to get damp and generate water vapor, and pollution is easy to generate. Some transformer substations are unclear to shutoff, fire prevention definition, directly replace the shutoff with the fire prevention package, lead to the toy to get into indoor the causing the short circuit through the fire prevention package to when the cable is changed, the shutoff that uses resistant firebrick to add cement to go on is difficult to the construction more, and is inefficient.

The utility model patent of inventor's prior application (application number 2020222256001) relates to a cable is worn wall device for cable pit transformation, including frame, solid monomer and hollow monomer. The frame is a frame structure formed by connecting a left side plate, a right side plate, a top plate and a bottom plate end to end in a surrounding manner, and the solid monomer, the hollow monomer and the frame are fixedly connected through screws. However, the solid monomer and the hollow monomer are fixed in position due to the connection mode, flexible installation or replacement is inconvenient, operation of workers is complicated, and labor cost is high.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, this application provides a sliding connection's cable trench reforms transform and wears wall device with cable, need not to adopt the screw connection between hollow monomer, solid monomer and the frame to can nimble installation or change solid monomer and hollow monomer, convenient operation reduces the human cost.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a cable wall penetrating device for modifying a cable trench in a sliding connection mode comprises a frame, solid monomers and hollow monomers, wherein two back faces of the frame are provided with back plates with a plurality of round holes, the frame is formed by connecting a plurality of plates end to end in a surrounding mode, each plate is provided with sliding grooves which are uniformly arranged at intervals, the frame is internally provided with the solid monomers or the hollow monomers, the solid monomers or the hollow monomers are provided with sliding blocks matched with the sliding grooves in the plates, and each row of the solid monomers and the hollow monomers are connected in a sliding groove and sliding block mode;

preferably, the size of the frame is matched with the size of the hole in the wall body;

preferably, the hollow single body is formed by rotationally connecting and combining an upper half part and a lower half part through one side, arc grooves with semicircular cross sections are respectively arranged on the upper half part and the lower half part, the arc grooves of the upper half part and the lower half part are butted to form a through hole for a cable to pass through, the axial direction of the through hole is parallel to the rotational axis of the upper half part and the lower half part, and the through hole of the hollow single body forms a channel for the cable to pass through;

preferably, the hollow single body is further provided with a blind groove on the outer side of the through hole along the axial direction of the through hole, and the blind groove is arranged around the through hole.

Preferably, the solid monomer is provided with a baffle for blocking;

preferably, the solid monomer and the hollow monomer are both cuboid or square.

Preferably, the baffle plate on the solid single body is arranged on the end face of the solid single body.

The utility model has the advantages that:

first, the utility model discloses adopt the sliding mode of spout and slider to connect between frame, solid monomer and the hollow monomer to be convenient for install or change solid monomer or hollow monomer, convenient operation reduces the human cost.

Second, the utility model discloses have the solid monomer that hollow monomer that supplies to wear the wall usefulness and shutoff usefulness, consequently can be according to actual conditions, select corresponding monomer installation in suitable position, even the cable that the wall was worn in the later stage needs to be adjusted or change the cable, only need take out corresponding monomer or change corresponding monomer can, need not to demolish the frame, consequently can improve the efficiency of construction greatly.

Third, the utility model discloses well core monomer adopts the rotation of first and lower half to open and shut and connect, like this when changing the cable or increasing the cable, need not to take off whole monomer from the cable, but divide first and lower half can, also can improve the efficiency that the cable was changed like this. After the cable is arranged in a penetrating mode, refractory mortar is filled around the cable, and the insulating sealing material can be compressed and compacted to improve the plugging effect and the plugging firmness.

Fourth, the utility model discloses be equipped with blind groove around hollow free through-hole, can play and subtract heavy effect to reduce the weight of whole device, and because do not have complete penetrating blind groove, so do not get through the part and can also play the effect of supporting the enhancement.

Fifth, the utility model discloses well solid monomer is used for sealing the position that will not need to the threading, has consequently set up the baffle, and the effect of strengthening the floor can be played again in the setting of baffle, the utility model discloses well solid monomer's structure is compared in the cubic or square of conventional six confined, has light in weight, advantage that manufacturing cost is low.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the frame structure of the present invention;

FIG. 4 is a schematic structural view of a solid single body of the present invention;

FIG. 5 is a schematic view of the hollow single body structure of the present invention;

reference numerals: 1. the frame, 2, a back plate, 3, a round hole, 4, a left side plate, 5, a right side plate, 6, a top plate, 7, a bottom plate, 8, a hollow monomer, 9 and a solid monomer; 10. baffle 11, upper half part 12, lower half part 13, blind groove 14, circular arc groove.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1-5, a cable wall penetrating device for modifying a cable trench in a sliding connection comprises a frame 1, a solid single body 9 and a hollow single body 8. Frame 1 is the frame construction who encloses by left side board 4, right side board 5, roof 6 and bottom plate 7 end to end, left side board 4, right side board 5, roof 6 and bottom plate 7 adopt the grafting mode to link to each other, all are provided with projection and shrinkage pool on every board for connecting gradually of four boards, be equipped with backplate 2 that has a plurality of round hole 3 at two backs of frame 1, left side board 4, right side board 5, roof 6 and bottom plate 7 all are provided with the spout that even interval set up, be provided with on solid monomer 9 and the hollow monomer 8 with frame 1 spout matched with slider, the mode that equally adopts spout and slider between every row of monomer is connected.

The structure of the hollow single body 8 is as shown in fig. 5, the hollow single body 8 is a cuboid, and comprises an upper half 11 and a lower half 12 which can be opened or closed in a rotating manner, one side of the upper half 11 and one side of the lower half 12 are connected in a rotating manner through a rotating shaft, the upper half 11 and the lower half 12 are fixed by bolts, the upper half 11 and the lower half 12 are respectively provided with an arc groove 14 with a semicircular cross section, the arc grooves 14 of the upper half 11 and the lower half 12 are butted to form a through hole for a cable to pass through, the axial direction of the through hole is parallel to the rotating axis of the upper half 11 and the lower half 12, and the hollow single body 8 is arranged in the frame 1, and then the circular hole and the through hole are matched to form a. The hollow single body 8 is provided with a blind groove 13 surrounding the through hole along the axial direction of the through hole at the outer side of the through hole, and the diameter of the through hole is larger than that of the round hole in the back plate and larger than that of the cable.

Solid monomer 9's structure is shown in fig. 3, and solid monomer 9 is whole to be the cuboid form, solid monomer 9 "solid" be from the definition that this angle of solid monomer 9's shutoff function goes on, the realization of shutoff function is that the both ends face sets up baffle 10 around the space that four faces enclose about from top to bottom, just so can block round hole 3 on the backplate 2 of corresponding position in the frame 1.

When the wall is used, the frame is buried in the hole of the wall, and then the hollow monomer 8 or the solid monomer 9 is selected according to the requirement and is installed in the frame 1.

For the installation of the hollow monomer 8, the opened hollow monomer 8 can be firstly installed on the cable from the side surface of the cable, then the two parts of the hollow monomer 8 are closed, enough fire-resistant rubber is filled around the cable, the fire-resistant rubber is compressed, and after the exposed fire-resistant rubber caused by extrusion is removed, the hollow monomer 8 is pushed through a proper drawing cable, so that the hollow monomer 8 and the frame 1 are connected in a matched mode through a sliding groove and a sliding block. When the cable needs to be replaced, the cable can be replaced by pulling out the corresponding hollow single body 8, opening the hollow single body 8 after the hollow single body 8 is taken out, and then reinstalling the hollow single body 8 according to the installation method. When threading is needed at the position of the original solid monomer 9, the solid monomer 9 can be taken down and replaced by the hollow monomer 8, and the hollow monomer 8 is installed according to the installation method.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a sliding connection's cable trench is reformed transform and is used cable wall device, includes frame, solid monomer and hollow monomer, and two backs of frame are equipped with the backplate that has a plurality of round hole, the frame is connected by a plurality of boards head and the tail and encloses, its characterized in that, all is provided with the spout that the even interval set up on every board, installs a plurality of solid monomers or hollow monomer in the frame, be provided with on solid monomer or the hollow monomer with each board spout matched with slider, adopt the mode of spout and slider to connect between every solid monomer and the hollow monomer equally.

2. The slip joint cable trough remodeling device of claim 1, wherein the frame is sized to fit within the wall cavity.

3. The cable wall penetrating device for modifying the cable trench in the sliding connection manner according to claim 1, wherein the hollow single body is formed by connecting and combining an upper half part and a lower half part through rotation of one side, arc grooves with semicircular cross sections are respectively formed in the upper half part and the lower half part, the arc grooves of the upper half part and the lower half part are butted to form a through hole for a cable to pass through, the axial direction of the through hole is parallel to the rotation axes of the upper half part and the lower half part, and the through hole of the hollow single body forms a channel for the cable to pass through.

4. The cable wall penetrating device for modifying the slidably connected cable trench as claimed in claim 3, wherein a blind groove is further formed on the hollow single body outside the through hole along the axial direction of the through hole, and the blind groove is arranged around the through hole.

5. The slip joint cable trench modification cable feed-through device of claim 1, wherein the solid monomer has a stop for plugging.

6. The slidably connected cable trough remodeling wall penetrating device of claim 5, wherein the baffle on the solid monomer is disposed on an end face of the solid monomer.

7. The cable trough device for remodeling of sliding-connected cable trough according to claim 1, wherein the solid and hollow single bodies are rectangular or square.