CN220382976U

CN220382976U - Suspension cable type flexible photovoltaic bracket middle column device

Info

Publication number: CN220382976U
Application number: CN202321810029.7U
Authority: CN
Inventors: 祁林攀; 焦建凯; 付少伟; 高宁; 张群刚; 杨新光
Original assignee: PowerChina Northwest Engineering Corp Ltd
Current assignee: PowerChina Northwest Engineering Corp Ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-23
Anticipated expiration: 2033-07-11

Abstract

The utility model provides a suspension cable type flexible photovoltaic bracket middle column device, which is used for carrying suspension cables and comprises the following components: the device comprises a prefabricated pipe pile, a steel upright post, a balance beam and a fixed pulley mechanism; driving the lower part of the prefabricated pipe pile into the ground; the steel upright post is vertically fixed at the top end of the prefabricated pipe pile; the balance beam is transversely fixed at the top of the steel upright post, and inclined struts are arranged between the two ends of the balance beam and the steel upright post; the fixed pulley mechanism is arranged at the upper part of the two ends of the balance beam, and the suspension cable passes through the fixed pulley mechanism. The suspension cable type flexible photovoltaic bracket middle column device is simple in structure, convenient to construct and high in popularization and application value.

Description

Suspension cable type flexible photovoltaic bracket middle column device

Technical Field

The utility model belongs to the field of suspension cable type flexible photovoltaic brackets, and particularly relates to a vertical column device in a suspension cable type flexible photovoltaic bracket.

Background

Along with the proposal of the national 'double carbon' strategic target, china starts to accelerate the construction of a 'new power system taking new energy as a main body', and the new energy photovoltaic industry obtains a new round of rapid development. However, with the tightening of national land policies, the open-land photovoltaic land is gradually turned from traffic and construction-convenient flat land to various complex terrains. The mountain photovoltaic project, agricultural light, pasture light, forest light and fishing light complementary projects such as agricultural greenhouses, animal sheds and fish ponds are the main stream directions in the future, and the large-span flexible support can utilize the large-span advantage of the large-span flexible support to finish the construction of a power station on the complex topography. And the land policies are tightened, the photovoltaic land is mostly mountain land, pit water surface and the like. The large-span flexible photovoltaic bracket has the remarkable advantages of large span, strong terrain adaptability, land conservation and the like, and has wide application prospect. In the suspension cable type flexible photovoltaic support system, the neutral columns are arranged between fixed points at two ends, and a plurality of neutral columns can be arranged according to requirements so as to reduce the support span. In the conventional design scheme, the whole upright post adopts a single steel frame or a concrete pipe column, the top end of the upright post is provided with a steel bar ring, and the suspension cable passes through the steel bar ring at the top end of the middle upright post, so that downward axial force transmission is realized through the contact between the suspension cable and the steel bar ring. The upright posts are mutually independent, have high rigidity and poor wind vibration resistance, and are inconvenient to install and overhaul.

Disclosure of Invention

In view of the above, it is an object of the present utility model to provide a suspended cable type flexible photovoltaic support center pillar device for overcoming or at least partially solving or alleviating the above problems.

The utility model provides a suspension cable type flexible photovoltaic bracket middle column device, which is used for carrying suspension cables and comprises the following components:

the lower part of the precast tubular pile is driven into the ground;

the steel upright post is vertically fixed at the top end of the precast tubular pile;

the balance beam is transversely fixed at the top of the steel upright post, and inclined struts are arranged between the two ends of the balance beam and the steel upright post;

and the double pulley mechanism is arranged at the upper parts of the two ends of the balance beam, and the suspension cable passes through the double pulley mechanism.

The utility model also has the following optional features.

Optionally, a connecting rod is connected between the ends of the balance beam.

Optionally, the connecting rod is an arcuate rod.

Optionally, the fixed pulley mechanism comprises two pulleys arranged close to each other, and the suspension cable passes through between the two pulleys.

Optionally, the upper portion at the both ends of compensating beam is provided with the fixed plate, the both sides border of fixed plate stretches out the both sides of compensating beam, fixed pulley mechanism's lower part is provided with a pair of draw-in groove, the draw-in groove with the border of fixed plate cooperatees.

According to the suspension cable type flexible photovoltaic bracket middle column device, the support height is ensured by arranging the steel column on the prefabricated tubular pile, and meanwhile, the rigidity and the elasticity of the support structure are taken into consideration; balance beams and diagonal braces are arranged at the tops of the steel upright posts, so that balance support of a suspension cable system is realized; the fixed pulley mechanisms are arranged at the upper parts of the two ends of the balance beam, so that the normal transition of the suspension cable is realized, and the installation, the maintenance and the transportation and the repair are facilitated; the utility model has simple structure, convenient construction and stronger popularization and application value.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the column device in the suspension cable type flexible photovoltaic bracket of the present utility model.

Fig. 2 is a schematic view of the positive structure of the fixed pulley mechanism in fig. 1.

Fig. 3 is a schematic side view of the fixed sheave mechanism of fig. 2.

In the above figures: 1, balancing beams; 101 a fixing plate; 2, a steel upright post; a connecting rod 3; 4, a fixed pulley mechanism; a 401 pulley; 402 clamping grooves; 403 base; 404 side plates; 5, diagonal bracing; 6, prefabricating the tubular pile; and 7, suspending the cable.

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description

Example 1

Referring to fig. 1, an embodiment of the present utility model proposes a suspension cable type flexible photovoltaic bracket center pillar device for carrying a suspension cable 7, comprising: the device comprises a prefabricated pipe pile 6, a steel upright post 2, a balance beam 1 and a fixed pulley mechanism 4; the lower part of the precast tubular pile 6 is driven into the ground; the steel upright post 2 is vertically fixed at the top end of the precast tubular pile 6; the balance beam 1 is transversely fixed at the top of the steel upright post 2, and inclined struts 5 are arranged between the two ends of the balance beam 1 and the steel upright post 2; the fixed pulley mechanism 4 is provided at the upper portions of both ends of the balance beam 1, and the suspension wire 7 passes through the fixed pulley mechanism 4.

The prefabricated pipe pile 6 is driven into the ground to a certain depth according to the design size, the height of the exposed ground meets the design requirement, the steel upright post 2, the balance beam 1 and the two diagonal braces 5 are welded and assembled in a factory, and the steel upright post 2 is welded and fixed at the top of the prefabricated pipe pile 6 after being transported to the site. The fixed pulley mechanism 4 passes through the suspension rope 7 and is connected to the upper parts of the two ends of the balance beam 1.

Example 2

Referring to fig. 1, in the embodiment 1, a link 3 is connected between the end portions of two right and left adjacent balance beams 1.

The balance beams 1 of every two adjacent neutral column devices are connected through the connecting rod 3, so that the wind resistance of the neutral column devices can be improved.

Example 3

Referring to fig. 1, on the basis of embodiment 2, the link 3 is an arcuate rod.

The connecting rod 3 adopts an arched rod, has elasticity and can adapt to certain structural deformation between two adjacent neutral post devices in an elastic damping mode, so that the influence of unfavorable wind vibration and the like on the structure is weakened, and the wind vibration resistance is improved.

Example 4

Referring to fig. 2 and 3, on the basis of embodiment 1, the fixed pulley mechanism 4 includes two pulleys 401 disposed next to each other up and down, and the suspension wire 7 passes between the two pulleys 401.

Each fixed pulley mechanism 4 is provided with a base 403, two side plates 404 and two pulleys 401, the base 403 is fixed on the balance beam 1, the two side plates 404 are arranged on the base 403 in parallel, the two pulleys 401 are arranged between the two side plates 404 in a rotating way, the two pulleys 401 are distributed up and down, and the gap is smaller than the diameter of the suspension cable 7, so that the suspension cable 7 cannot fall out from between the pulleys 401.

Example 5

Referring to fig. 2 and 3, on the basis of embodiment 4, fixing plates 101 are provided at the upper portions of both ends of the balance beam 1, both side edges of the fixing plates 101 extend out of both sides of the balance beam 1, a pair of clamping grooves 402 are provided at the lower portion of the fixed pulley mechanism 4, and the clamping grooves 402 are fitted with the edges of the fixing plates 101.

The lower part of the base 403 is provided with a pair of clamping grooves 402 with opposite notches, the two clamping grooves 402 are respectively clamped at the two side edges of the fixed plate 101, and the fixed plate 101 is welded and connected with the balance beam 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.

Claims

1. A suspension cable flexible photovoltaic support center pillar device for carrying a suspension cable (7), characterized by comprising:

a precast tubular pile (6), wherein the lower part of the precast tubular pile (6) is driven into the ground;

the steel upright post (2), the steel upright post (2) is vertically fixed at the top end of the prefabricated pipe pile (6);

the balance beam (1), the balance beam (1) is transversely fixed at the top of the steel upright post (2), and inclined struts (5) are further arranged between the two ends of the balance beam (1) and the steel upright post (2);

and the fixed pulley mechanism (4), the fixed pulley mechanism (4) is arranged at the upper parts of the two ends of the balance beam (1), and the suspension cable (7) passes through the fixed pulley mechanism (4).

2. The suspension cable type flexible photovoltaic bracket center pillar device according to claim 1, characterized in that a connecting rod (3) is connected between the ends of the balance beam (1).

3. Suspension cable flexible photovoltaic bracket-in-column device according to claim 2, characterized in that the connecting rod (3) is an arcuate rod.

4. The suspended cable flexible photovoltaic support center pillar device according to claim 1, characterized in that the fixed pulley mechanism (4) comprises two pulleys (401) arranged close to each other, and the suspended cable (7) passes between the two pulleys (401).

5. The suspension cable type flexible photovoltaic bracket center pillar device according to claim 4, characterized in that fixing plates (101) are arranged at the upper parts of the two ends of the balance beam (1), the edges of the two sides of the fixing plates (101) extend out of the two sides of the balance beam (1), a pair of clamping grooves (402) are arranged at the lower part of the fixed pulley mechanism (4), and the clamping grooves (402) are matched with the edges of the fixing plates (101).