CN215498154U - Side supporting structure for bus - Google Patents

Abstract

The utility model discloses a side supporting structure for a bus, which comprises two supporting frames, wherein the two supporting frames are fixedly connected to the inner wall of a tower cylinder section. At least one cross arm is fixedly arranged between the two support frames, and a plurality of anchor ears are arranged on the cross arm. Staple bolt fixed connection is on the cross arm, and the staple bolt is used for carrying on spacing fixedly to the generating line. The side supporting structure is simple and convenient to install, the bus is orderly wired, the cross arms are fixedly connected with the inner wall of the tower section through the fixing support frames, and the anti-seismic performance is good and the reliability is high.

Description

Side supporting structure for bus

Technical Field

The utility model relates to the technical field of installation of a bus, in particular to a side supporting structure for the bus.

Background

An electric energy transmission device such as a bus is arranged in a hollow tower cylinder matched with the wind generating set, the upper end of the bus is connected with a generator outgoing twisted cable, the lower end of the bus is connected with a converter cabinet at the bottom of the tower cylinder, and the electric energy transmission device is used for transmitting the electric energy generated by the generator to the converter cabinet, and finally enters a wind power station booster station to be merged into a power grid.

However, the fixing structure of the bus at the tower tube section is complex, the cost is high, the shock resistance is poor, and the joint of the bus section is easy to break due to poor shock resistance.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a side supporting structure for a bus, which has the characteristics of simple installation structure, concise wiring space, good shock resistance and high reliability, and is suitable for limiting and fixing the bus in a tower of a wind generating set.

In order to achieve the purpose, the utility model provides a side supporting structure for a bus, which comprises two supporting frames, wherein the two supporting frames are fixedly connected to the inner wall of a tower barrel section, at least one cross arm is fixedly arranged between the two supporting frames, a plurality of hoops are arranged on the cross arm, the hoops are fixedly connected to the cross arm, the bus can pass through the hoops, and the hoops are used for limiting and fixing the bus.

In a preferred embodiment, two cross arms are fixedly arranged between the two support frames, and the two cross arms are arranged in parallel front and back.

In a preferred embodiment, three anchor ears are uniformly distributed on the cross arm.

In a preferred embodiment, the cross arm is provided with a fixing hole, the anchor ear is provided with a screw hole, and the anchor ear and the cross arm are fixedly connected by a bolt passing through the fixing hole and the screw hole. The fixed orifices preferably are flat hole form, and flat hole column structure can make the bolt can follow flat hole length direction and slide to the bolt can slide from top to bottom (along flat hole length direction) along with the expend with heat and contract with cold of generating line in the staple bolt, avoids the fracture that leads to because of the expend with heat and contract with cold of generating line, has not only improved life, has improved reliability and security moreover.

In a preferred embodiment, a metal gasket is arranged between the cross arm and the hoop, and a metal gasket is arranged between the cross arm and the bolt; and the metal gasket is provided with a through hole which is used for penetrating through a bolt for fixing the cross arm and the hoop.

In a preferred embodiment, a shock absorber is further arranged between the metal gasket far away from the hoop and the cross arm.

In a preferred embodiment, the shock absorber is any one of a rubber cushion or a spring.

In a preferred embodiment, the spring is any one of a rectangular spring or a butterfly spring.

In a preferred embodiment, the bolt is further provided at its outer periphery with a sliding sheath that spaces the bolt from the inner surface of the cross arm fixing hole.

The utility model has the beneficial effects that: a be provided with a plurality of staple bolt on at least one cross arm in the structure is held up to side for the generating line, a plurality of generating lines can pass the staple bolt, and the staple bolt is used for carrying on spacing fixedly to the generating line, and this side is held up the structure simple installation, and the generating line wiring is neat, and the cross arm is again through fixed stay frame and tower section of thick bamboo inner wall fixed connection, and the shock resistance is good, the reliability is high.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 cross-sectional view of a sidetracking structure for a bus bar provided by an embodiment of the present invention;

FIG. 2 is a schematic enlarged view of a portion of a cross arm and a bolt joint according to an embodiment of the present invention;

FIG. 3 is a partially enlarged view of the cross arm and bolt joint according to another embodiment of the present invention;

FIG. 4 is a partially enlarged view of the cross arm and bolt joint according to another embodiment of the present invention;

fig. 5 is a schematic view of a metal gasket according to an embodiment of the present invention.

The reference numbers illustrate: the support frame 10, the cross arm 20, the hoop 30, the bus 40, the bolt 50, the metal gasket 60, the rubber buffer 701, the rectangular spring 7021, the belleville spring 7022 and the sliding sheath 80.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, an embodiment of the present invention provides a side supporting structure for a bus, where the side supporting structure is suitable for side supporting and fixing the bus for electric energy transmission inside a tower of a wind turbine generator system.

The side support structure comprises two support frames 10, and the two support frames 10 are fixedly connected to the inner wall of the tower segment (not shown in fig. 1).

At least one cross arm 20 is fixedly disposed between the two support frames 10, in the example of the present embodiment, the number of the cross arms 20 is 2, and the number of the cross arms 20 can be adjusted as required, which is not limited thereto. Meanwhile, in the example of the present embodiment, the cross arm 20 includes a main body portion and a connecting section protruding from both ends of the main body portion, connecting holes are provided at corresponding positions on the connecting sections of the two support frames 10 and the cross arm 20, and then the support frames 10 and the cross arm 20 are fixedly connected by bolts passing through the two connecting holes; it should be noted that the fixed connection between the supporting frame 10 and the cross arm 20 may also be welded or integrally formed, which is not limited in this respect.

In the example of the present embodiment, several anchor ears 30 are provided on the cross arm 20, and the several anchor ears 30 are provided along the spatial direction (i.e., the left-right direction in fig. 1) between two oppositely-arranged support frames 10. Each cross arm 20 shown in fig. 1 is provided with 3 anchor ears 30, and the number of anchor ears 30 provided on each cross arm 20 is preferably 3, which corresponds to 3 three-phase buses; it is understood that the number of the anchor ear 30 can be adjusted according to the requirement, and is not limited herein. The anchor ear 30 is fixedly connected to the cross arm 20, when the side supporting structure is actually used, the bus bar 40 (it is understood that the bus bar 40 is not necessary for the side supporting structure) passes through the anchor ear 30, and the anchor ear 30 is used for limiting and fixing the bus bar 40.

Specifically, referring to fig. 1 and fig. 2, in the example of the present embodiment, the hoop 30 is fixedly connected to the cross arm 20 through a bolt 50, a fixing hole is provided on the cross arm 20, a screw hole is provided on the hoop 30, and the bolt 50 passes through the fixing hole and the screw hole to fixedly connect the hoop 30 and the cross arm 20. In this embodiment, the fixed orifices that sets up on cross arm 20 preferably are the oblate foramen form, and oblate foramen column structure can make the bolt can follow oblate foramen length direction and slide to the bolt can slide from top to bottom (along oblate foramen length direction) along with the expend with heat and contract with cold of generating line in the staple bolt, avoids the fracture because of the generating line expend with heat and contract with cold and leads to, has not only improved life, has improved reliability and security moreover. The anchor ear 30 may be made of metal or plastic, and the anchor ear 30 may have one end fixed and the other end fastened by a bolt.

In fig. 2, a partial enlarged schematic view of the connection between the cross arm 20 and the bolt 50 further preferably includes two metal spacers 60 (the structural schematic view of the metal spacers 60 is shown in fig. 5), and the metal spacers 60 are provided with through holes for passing through the bolts 50 fixing the cross arm 20 and the anchor ear 30; one of the metal spacers 601 is disposed between the cross arm 20 and the anchor ear 30, and the other metal spacer 602 away from the anchor ear 30 is disposed between the cross arm 20 and the bolt 50.

In the preferred embodiment shown in fig. 2, a shock absorber is further included, and the shock absorber may be a rubber cushion 701 or a spring or other component capable of performing a shock absorbing and buffering function. The bumper is located on the other side of cross arm 20 opposite to hoop 30, and the bumper is disposed between metal gasket 602 and cross arm 20.

The shock absorber shown in fig. 2 is a rubber bumper 701, and in other embodiments, the shock absorber may be a spring; the spring can be further selected from a rectangular spring 7021 (the schematic structure is shown in fig. 3) or a belleville spring 7022 (the schematic structure is shown in fig. 4). When a spring is used as the shock absorber, it is more preferable that another metal spacer 603 is further included, the metal spacer 603 is in contact with one surface of the cross arm 20, and the spring is disposed between the metal spacer 603 and the metal spacer 602.

For each of the above embodiments, a sliding sheath 80 may also be provided, the sliding sheath 80 being disposed around the outer periphery of the bolt 50 such that the bolt 50 is spaced from the inner surface of the mounting hole provided in the cross arm 20.

The side supporting structure for the buses, provided by the embodiment of the utility model, is characterized in that at least one cross arm is provided with a plurality of anchor ears, a plurality of buses can pass through the anchor ears, the anchor ears are used for limiting and fixing the buses, the side supporting structure is simple and convenient to mount, the buses are orderly wired, the cross arm is fixedly connected with the inner wall of the tower barrel section through the fixing support frame, and the side supporting structure is good in shock resistance and high in reliability.

The utility model is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the utility model is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a structure is held up to side for generating line, its characterized in that includes two support frames, two support frame fixed connection are at tower section of thick bamboo section inner wall, fixed at least one cross arm that is provided with between two support frames, be provided with a plurality of staple bolt on the cross arm, staple bolt fixed connection be in on the cross arm, the staple bolt is used for carrying out spacing fixed to the generating line.

2. The side supporting structure for the bus bar according to claim 1, wherein two cross arms are fixedly arranged between the two supporting frames, and the two cross arms are arranged side by side in front and back.

3. The side supporting structure for the bus bar according to claim 1, wherein three hoops are uniformly distributed on the cross arm.

4. The side supporting structure for bus bar according to any one of claims 1 to 3, wherein the cross arm is provided with a fixing hole, the anchor ear is provided with a screw hole, and the anchor ear and the cross arm are fixedly connected by a bolt passing through the fixing hole and the screw hole.

5. The siderail structure for bus bars according to claim 4, wherein the fixing hole is flat hole-shaped.

6. The side supporting structure for the bus bar according to claim 4, wherein a metal gasket is arranged between the cross arm and the hoop, and a metal gasket is arranged between the cross arm and the bolt; and the metal gasket is provided with a through hole which is used for penetrating through a bolt for fixing the cross arm and the hoop.

7. The side supporting structure for the bus bar according to claim 6, wherein a shock absorber is further disposed between the metal gasket away from the hoop and the cross arm.

8. The sidetracking structure for a bus bar according to claim 7, wherein the damper is any one of a rubber cushion or a spring.

9. The sidetracking structure for a bus bar according to claim 8, wherein the spring is any one of a rectangular spring or a butterfly spring.

10. The sidetracking structure for a bus bar according to claim 4, wherein the bolt is further provided with a sliding sheath at its outer periphery.

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