CN218958348U - Foldable pedal of fan case becomes basis - Google Patents

Abstract

The utility model relates to the technical field of fan box transformer foundations, in particular to a foldable pedal for a fan box transformer foundation. According to the scheme, the foldable pedal is arranged on the box transformer substation base, cultivated land is not occupied, and the problem that the box transformer substation door is inconvenient to open due to the fact that a non-independent fan box transformer substation base is large in height difference between cultivated land and a box door and the condition that the land is limited is solved.

Description

Foldable pedal of fan case becomes basis

Technical Field

The utility model relates to the technical field of fan box transformer foundations, in particular to a foldable pedal for a fan box transformer foundation.

Background

The box transformer is a box-type transformer substation, also called preassembled substation or preassembled substation, and is characterized in that the functions of voltage reduction, low-voltage power distribution and the like of a transformer are organically combined together and are installed in a dampproof, rust-proof, dustproof, rat-proof, fireproof, antitheft, heat-insulating, fully-enclosed and movable steel structure box. The box transformer foundation is a base station for installing the box transformer, and provides a balanced and stable foundation for the installation of the box transformer.

Under the condition of large height difference between the cultivated land and the box transformer substation door, a step is usually required to be built beside a box transformer substation foundation, so that a worker can conveniently open the box transformer substation door and enter the box transformer substation. However, for a non-independent box transformer foundation in a wind power station, namely, the box transformer foundation is arranged on a fan foundation (a foundation for installing a fan of a wind driven generator), according to construction requirements, a firewall is arranged between the box transformer and the fan, so that a box transformer door is opened on the side opposite to the fan, and under the condition that the land feature area is limited, the side of the box transformer foundation on which the box transformer door is positioned is the edge of the land feature area, and the land is cultivated outside, so that the construction area cannot be divided. Under the condition that no extra land is used for building steps, and under the condition that no steps are available, the height difference between the cultivated land and the box-type variable door is large, and the box-type variable door cannot be opened by directly standing on the ground, so that tools such as a ladder are needed for each maintenance and construction of workers, and the operation is inconvenient.

Disclosure of Invention

The utility model aims to provide a foldable pedal for a fan box transformer foundation, which aims to solve the problem that a non-independent fan box transformer foundation in a wind power plant is inconvenient to open a box transformer door due to the fact that a step cannot be built under the condition that the height difference between cultivated land and a box door is large and the land is limited.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fan case becomes basis foldable footboard, includes pedal and bracing piece, pedal and bracing piece all articulate on case becomes basis and the pin joint of bracing piece is located the pin joint below of pedal, and the bracing piece can be dismantled with pedal and be connected.

The principle and beneficial effect of this scheme are:

when the box-type transformer substation is used, the pedal is turned to be in a horizontal state, the free end of the supporting rod is connected with the pedal, the pedal is supported at the bottom by the supporting rod, a pedal can be formed on the side face of the box-type transformer substation foundation, and a worker can open the box-type transformer substation door by stepping on the pedal. After the use, the support rod and the pedal are turned down, so that the space is not occupied. According to the scheme, the foldable pedal is arranged on the box transformer substation base, cultivated land is not occupied, and the problem that the box transformer substation door is inconvenient to open due to the fact that a non-independent fan box transformer substation base is large in height difference between cultivated land and a box door and the condition that the land is limited is solved.

Further, a rib plate for propping against the support rod is fixed at the bottom of the pedal.

The beneficial effects are that: after the pedal is turned to a horizontal state, the supporting rod is turned upwards to be propped against the rib plates, the supporting rod is pressed by virtue of the dead weight of the pedal, the pedal can be supported by the supporting rod, the hinge point of the supporting rod is positioned below the pedal, the supporting rod is propped against the pedal, and the supporting rod, the pedal and the foundation are triangular, so that the stability is good.

Further, a rope ladder is arranged at the bottom of the free end of the pedal.

The beneficial effects are that: the rope ladder is used as a standby, when the height difference between the cultivated land and the box-type variable door is not very large, the box-type variable door can be opened by directly connecting the station to the pedal, and when the height difference between the cultivated land and the box-type variable door is too large, the pedal can be climbed by means of the rope ladder, and then the box-type variable door is opened. The application modes of the scheme are two, and the application range is wide.

Further, the pedal includes the roof and vertically fixes the bounding wall at roof bottom edge, and the rope ladder is fixed in the bounding wall inboard of pedal free end, forms the accommodation space that is used for accomodating the rope ladder between floor and the bounding wall.

The beneficial effects are that: when not in use, the pedal and the support rod are turned downwards to reduce the occupied space, and at the moment, the rope ladder can be folded to be stored in the storage space, so that the storage of the rope ladder is realized, and the occupied space is further reduced.

Further, the number of the supporting rods is two, and the supporting rods are respectively arranged at two sides of the bottom of the pedal.

The beneficial effects are that: set up two bracing pieces and compare and only set up a bracing piece in the middle part and support the pedal, two bracing pieces support the effect better, stability is better.

Further, a connecting rod is integrally formed between the two supporting rods.

The beneficial effects are that: the two support rods are connected into a whole by the connecting rod, so that the structural strength of the support rods can be further improved, and the support effect and stability are further improved.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a side longitudinal cross-sectional view of the utility model in use;

fig. 3 is a side longitudinal cross-sectional view of the present utility model when folded.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: pedal 1, coaming 11, roof 12, accommodation space 13, floor 14, connecting rod 2, bracing piece 3, triangle-shaped fixed block 4, rope ladder 5, case change basis 6, round pin axle 7.

Examples:

as shown in fig. 1 and 2, a foldable pedal of a fan box transformer substation foundation comprises a pedal 1 and a supporting rod 3, wherein two triangular fixing blocks 4 are arranged on a box transformer substation foundation 6, the two triangular fixing blocks 4 are welded and fixed with embedded parts in the foundation, and the pedal 1 and the supporting rod 3 are hinged to the upper triangular fixing block 4 and the lower triangular fixing block 4 through pin shafts 7 respectively so as to realize up-down rotation.

In this embodiment, the number of the support rods 3 is two, the two support rods 3 are respectively hinged at two sides of the pedal 1, and a connecting rod 2 is integrally formed between the two support rods 3.

The pedal plate 1 comprises a top plate 12 and a coaming 11 vertically fixed at the bottom edge of the top plate 12, and the coaming 11 and the top plate 12 are integrally formed. The rib plate 14 for propping against the supporting rod 3 is welded at the bottom of the top plate 12, the rope ladder 5 is mounted at the free end (the left end in fig. 2) of the top end through bolts, the rope ladder 5 is mounted on the inner side of the coaming 11, and a storage space 13 for storing the rope ladder 5 is formed between the coaming 11 and the rib plate 14.

The specific implementation process is as follows:

as shown in fig. 1 and 2, when the pedal is used, the pedal 1 is turned upwards to be in a horizontal state, meanwhile, the supporting rod 3 is turned upwards, the supporting rod 3 is clamped at the rib plate 14, the supporting rod 3 is pressed by the dead weight of the pedal 1, the locking fixation of the supporting rod 3 and the pedal 1 is realized, the pedal 1 is supported by the supporting rod 3, a pedal is formed on the box transformer foundation 6, and a worker can step on the pedal to open the box transformer door and enter the box transformer. The rope ladder 5 is used as a standby, when the height difference between the ground and the box transformer gate is too large, the rope ladder 5 can be relied on to climb onto the pedal, and then the box transformer is entered.

After the pedal is used, when the pedal is folded and retracted, the pedal 1 is lifted upwards, the support rod 3 is released, and the support rod 3 automatically rotates downwards by means of dead weight. The rope ladder 5 is folded and stored in the storage space 13, and then the pedal 1 is slowly put down to lean against the support rod 3, namely, the state shown in fig. 3, so that the pedal 1, the support rod 3 and the rope ladder 5 are folded and stored.

The folding pedal is arranged on the basis, and is unfolded when in use, and is folded and stored after the use is finished, so that cultivated land is not occupied, and the problem that a worker cannot conveniently open the box-type variable door when the step cannot be built under the condition that the height difference between the ground and the box-type variable door is large and the land is limited is effectively solved.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (6)

1. A fan case becomes foldable footboard of basis, its characterized in that: including pedal and bracing piece, pedal and bracing piece all articulate on case becomes the basis and the pin joint of bracing piece is located the pin joint below of pedal, and the bracing piece can be dismantled with pedal and be connected.

2. The foldable pedal for a fan case foundation of claim 1, wherein: the bottom of the pedal is fixed with a ribbed plate which is used for propping against the supporting rod.

3. A fan case becomes basic foldable footboard according to claim 2, characterized in that: the bottom of the free end of the pedal is provided with a rope ladder.

4. A fan case becomes basic foldable footboard according to claim 3, characterized in that: the pedal comprises a top plate and a coaming vertically fixed at the bottom edge of the top plate, the rope ladder is fixed on the inner side of the coaming at the free end of the pedal, and a storage space for storing the rope ladder is formed between the rib plate and the coaming.

5. The foldable pedal for a fan case foundation of claim 4, wherein: the support rods are two and are respectively arranged at the two sides of the bottom of the pedal.

6. The foldable pedal for a fan case foundation of claim 5, wherein: a connecting rod is integrally formed between the two supporting rods.

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