CN214124774U

CN214124774U - Cable connection pipeline structure between wind generating set and box-type transformer

Info

Publication number: CN214124774U
Application number: CN202022142528.6U
Authority: CN
Inventors: 李旭
Original assignee: Huaneng Dali Wind Power Co ltd
Current assignee: Huaneng Dali Wind Power Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-09-03
Anticipated expiration: 2030-09-25

Abstract

The utility model provides a cable connection pipeline structure of a wind generating set and a box-type transformer, which comprises a concrete foundation, a foundation ring, a tower drum and a transformer box, wherein the tower drum is fixedly connected on the foundation ring, a cable is arranged in the foundation ring, the transformer box is arranged on the upper surface of the concrete foundation, and the tower drum is arranged beside the transformer box; the bottom of a tower section of thick bamboo is provided with subaerial concatenation formula passageway and is connected with the transformer case, the cable stretches out from the tower section of thick bamboo surface opening part of its upper side and lays be connected to the transformer case in the concatenation formula passageway, this kind of structure has shortened the required length of cable use, practices thrift construction cost, makes things convenient for later stage operating personnel's the work of carrying on daily maintenance simultaneously.

Description

Cable connection pipeline structure between wind generating set and box-type transformer

Technical Field

The utility model relates to a fan power generation pipeline lays technical field, particularly, relates to a cable junction pipeline structure between wind generating set and box transformer.

Background

The traditional fan cylinder is built above the ground surface, a laying pipeline is buried underground for preventing cables from being stolen, but the mode causes water accumulation in an underground foundation of a box transformer and cannot be discharged to influence the normal work of a transformer, and simultaneously, for preventing the transformer from being ignited without further influencing the fan, the transformer is generally arranged at a certain distance away from the fan, so that longer cables can be consumed by connecting and communicating a generator set with the box transformer, the existing conventional design is that at the beginning of building a wind power generation device, parallel independent pipelines for laying the cables and optical cables are preset from the center of a foundation ring to the outer side of the bottom of the fan foundation, concrete pouring is further implemented, a cavity exists in the concrete foundation of the fan, the cavity penetrates through the outer side of the concrete foundation from the center of the fan cylinder, and the rigidity and the strength of the concrete foundation of the whole fan are influenced, and because the cable conduit is pre-buried when building wind generating set, this kind of design makes in the work progress, the connection between the pipeline must be firm tight, otherwise probably permeate into the mortar in the pipeline, and easy fish tail cable protection layer exists the electric leakage hidden danger after the mortar solidifies, and in addition, this kind of cable laying method adopts buried type and whole pipeline also is not convenient for daily change maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind generating set and box potential device cable junction pipeline structure are in order to solve the problem that exists among the above-mentioned background art.

The embodiment of the utility model discloses a realize through following technical scheme: a cable connection pipeline structure for a wind generating set and a box-type transformer comprises a concrete foundation, a foundation ring, a tower cylinder and a transformer box, wherein the tower cylinder is fixedly connected to the foundation ring, a cable is arranged in the foundation ring, the transformer box is arranged on the upper surface of the concrete foundation, and the tower cylinder is arranged beside the transformer box; the bottom end of the tower barrel is provided with an above-ground spliced channel connected with the transformer box, and the cable extends out of an opening on the surface of the tower barrel on the upper side of the cable and is laid in the spliced channel to be connected to the transformer box.

Preferably, the concatenation formula passageway includes frid and apron down, the frid is equipped with the protrusion end along the one end of laying the cable direction down, protrusion end department cross section is less than the cross section of frid down, the protrusion end is provided with first mounting hole for the frid can peg graft the other end of even income adjacent frid down to it is fixed with bolted connection down, the apron is laid the top of frid down in succession, the frid both sides are provided with the stair platform down, the frid both sides all are provided with the second mounting hole down, make apron fixed connection is two adjacent frids down.

Preferably, an installation platform is arranged below the transformer, a spacing distance is kept between the installation platform and the concrete foundation, and a hanging bracket used for supporting the splicing type channel is fixedly connected below the installation platform.

Preferably, the bottom of the lower trough plate is provided with a plurality of air holes for draining and ventilating, and the air holes are arranged in an array.

Preferably, the lower trough plate is provided with a partition plate for arranging and separating cables, and the partition plate is arranged in parallel with each other at intervals along the cable laying direction.

Preferably, the inner and outer surfaces of the lower groove plate and the cover plate are galvanized.

The technical scheme of the embodiment of the utility model has following advantage and beneficial effect at least: compared with the prior art, set up the transformer case on the concrete foundation of tower section of thick bamboo side, the cable stretches out from tower section of thick bamboo bottom and is connected to the transformer, the cable is laid and is makeed both to keep connecting in the concatenation formula passageway of subaerial side, thereby make this cable buried pipeline set up underground in advance before accomplishing concrete placement, simplify fan foundation design and construction, it influences basic bulk strength to prevent to have the cavity in the concrete foundation, further shorten the cable junction length of fan to transformer, reduce material fund cost, the cable sets up also conveniently to take apart the daily maintenance work of adjusting and fan throwing apart concatenation formula postnatal passageway subaerial simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a cable connection structure between a tower tube and a box transformer substation provided in embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of the middle-splicing type channel splicing assembly of the present invention;

FIG. 3 is a top view of the middle-spliced channel-spliced lower groove plate of the present invention;

FIG. 4 is a front view of the middle-spliced channel-spliced lower groove plate of the present invention;

FIG. 5 is a side view of the middle-spliced channel-spliced lower groove plate of the present invention;

fig. 6 is an internal schematic view of the foundation ring of the present invention.

Icon: 1-concrete foundation, 2-foundation ring, 3-tower barrel, 4-transformer box, 5-cable, 6-splicing type channel, 61-lower groove plate, 611-protruding end, 6111-first mounting hole, 612-step platform, 613-air hole, 614-clapboard, 615-second mounting hole, 62-cover plate, 7-mounting platform and 8-hanging bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 6, in this embodiment 1, a cable connection pipeline structure for a wind generating set and a box-type transformer includes a concrete foundation 1, a foundation ring 2, a tower drum 3 and a transformer box 4, where the tower drum 3 is fixedly connected to the foundation ring 2, a cable 5 is disposed in the foundation ring 2, the transformer box 4 is disposed on an upper surface of the concrete foundation 1, and the tower drum 3 is disposed beside the transformer box 4; the bottom of tower section of thick bamboo 3 is provided with subaerial concatenation formula passageway 6 and is connected with transformer case 4, cable 5 stretches out from the tower section of thick bamboo 3 surface opening part of its upper side and lays connect to transformer case 4 in the concatenation formula passageway 6, through setting up transformer case 4 on the concrete foundation 1 of tower section of thick bamboo 3 side to cable 5 in the basic ring 2 can directly lay and be connected to transformer case 4 from subaerial, solved the tradition with cable 5 pipeline setting underground, transformer case 4 underground basis is easy ponding and drainage inconvenience and leads to the problem that moisture in the air is heavier to influence electrical equipment's normal work, shortened the cable length of connecting basic ring 2 to transformer case 4 simultaneously, saved the cost, the method of laying installation cable 5 subaerial also makes things convenient for later maintenance.

Referring to fig. 2 and 4, the spliced channel 6 includes a lower groove plate 61 and a cover plate 62, one end of the lower groove plate 61 along the direction of laying the cable 5 is provided with a protruding end 611, the cross section of the protruding end 611 is smaller than that of the lower groove plate 61, the protruding end 611 is provided with a first mounting hole 6111, so that the lower groove plate 61 can be inserted into the other end of the adjacent lower groove plate 61 and fixed by bolts, the cover plate 62 is continuously laid above the lower groove plate 61, two sides of the lower groove plate 61 are provided with step platforms 612, two sides of the lower groove plate 61 are provided with second mounting holes 615, so that the cover plate 62 is fixedly connected to the adjacent two lower groove plates 61, the spliced channel 6 firstly inserts the protruding end 611 of one end of the lower groove plate 61 into the other end of the next lower groove plate 61, and after the connection is repeatedly completed, the bolts pass through the first mounting holes 6111 to connect and fix the same, further, arrange cable 5 in order and lay the frid 61 bottom under the integral type that is connected, install apron 62 at last frid 61 top and ladder platform 612 laminating contact down, apron 62 is hugging closely and is laying the concatenation equipment of packing frid 61 down until accomplishing concatenation formula passageway 6, because of the regional most comparison of wind power generation is remote, artifical intensity of labour can be saved in the convenient dismantlement of part and equipment, and also needn't dismantle concatenation formula passageway 6 by a large scale when cable 5 goes wrong, several apron 62 of demolising promptly at the fixed point can overhaul the cable 5 in the frid 61 and maintain, and is very convenient.

Referring to fig. 2, an installation platform 7 is arranged below the transformer box 4, a spacing distance is kept between the installation platform 7 and the concrete foundation 1, a hanging bracket 8 used for supporting the spliced channel 6 is fixedly connected to the lower portion of the installation platform 7, the installation platform is arranged on the installation platform 7 which is kept at a certain safety distance from the ground in order to avoid water inflow in the transformer box 4 in consideration of the tidal water fluctuation of coastal wind power generation, meanwhile, a convenient ladder can be erected beside the installation platform 7 for operators to use, the spliced channel 6 is arranged below the hanging bracket 8 below the installation platform 7 and penetrates out of the lower portion of the installation platform 7 to be connected to the transformer box 4, and the spliced channel 6 can be arranged in an overhead manner.

Referring to fig. 3, the bottom of the lower trough plate 61 is provided with a plurality of ventilation holes 613 for draining water and ventilating, the ventilation holes 613 are arranged in an array, and as the spliced channel 6 is exposed outdoors, the spliced channel is inevitably exposed to rainy weather, rainwater can permeate into the spliced channel 6 from the gap at the joint of the cover plate 62, and the ventilation holes 613 uniformly distributed in the bottom of the lower trough plate 61 in an array can effectively prevent water from accumulating in the spliced channel 6 and discharging the water.

Referring to fig. 3 and 5, the lower groove plate 61 is provided with a partition 614 for arranging and separating the cables 5, the partition 614 is arranged in parallel with each other along the laying direction of the cables 5 at intervals, the cables 5 with different functions and types can be arranged between the corresponding partitions 614 through the upper complaint branching partition 614, the operators can find the corresponding cables 5 conveniently, meanwhile, the splicing type channel 6 is long, and the cables can be effectively prevented from being twisted and hinged after being laid. The pulling and taking out are inconvenient during maintenance.

The inner and outer surfaces of the lower groove plate 61 and the cover plate 62 are galvanized to prevent the spliced passage 6 exposed to the air from being corroded by acid rain, so that the inner and outer surfaces are galvanized to prolong the service life of the spliced passage 6.

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

Claims

1. The utility model provides a wind generating set and box transformer cable junction pipeline structure, includes concrete foundation (1), foundation ring (2), tower section of thick bamboo (3) and transformer case (4), tower section of thick bamboo (3) fixed connection is on foundation ring (2), just be provided with cable (5), its characterized in that in foundation ring (2): the transformer box (4) is arranged on the upper surface of the concrete foundation (1), and the tower drum (3) is arranged beside the transformer box (4);

the bottom of tower section of thick bamboo (3) is provided with subaerial concatenation formula passageway (6) and is connected with transformer case (4), cable (5) stretch out from the tower section of thick bamboo (3) surface opening part of its upper side and lay be connected to transformer case (4) in concatenation formula passageway (6).

2. The wind generating set and box transformer cable connection pipeline structure of claim 1, wherein: spliced passageway (6) are including frid (61) and apron (62) down, frid (61) are equipped with protrusion end (611) along the one end of laying cable (5) direction down, protrusion end (611) department cross section is less than the cross section of frid (61) down, protrusion end (611) are provided with first mounting hole (6111) for frid (61) can be pegged graft the other end of even (61) down adjacent, and it is fixed with bolted connection down, apron (62) are laid in the top of frid (61) down in succession.

3. The wind generating set and box transformer cable connection pipeline structure of claim 2, wherein: step platforms (612) are arranged on two sides of the lower groove plate (61), and second mounting holes (615) are arranged on two sides of the lower groove plate (61), so that the cover plate (62) is fixedly connected with two adjacent lower groove plates (61).

4. The wind generating set and box transformer cable connection pipeline structure of claim 1, wherein: and an installation platform (7) is arranged below the transformer box (4), and a spacing distance is kept between the installation platform (7) and the concrete foundation (1).

5. The wind generating set and box transformer cable connection pipeline structure of claim 4, wherein: and a hanging bracket (8) used for supporting the spliced channel (6) is fixedly connected below the mounting platform (7).

6. The wind generating set and box transformer cable connection pipeline structure of claim 2, wherein: the bottom of the lower trough plate (61) is provided with a plurality of air holes (613) for water drainage and ventilation, and the air holes (613) are arranged in an array.

7. The wind generating set and box transformer cable connection pipeline structure of claim 2, wherein: the lower groove plate (61) is provided with a partition plate (614) used for arranging and separating the cables (5), and the partition plate (614) is arranged in parallel and at intervals along the laying direction of the cables (5).

8. The wind generating set and box transformer cable connection pipeline structure of claim 2, wherein: the inner and outer surfaces of the lower groove plate (61) and the cover plate (62) are galvanized.