CN215716652U - Greenhouse gutter - Google Patents

Abstract

The utility model discloses a greenhouse gutter, comprising: a gutter main body, a prestressed tendon and an anchorage device; the gutter main body comprises a gutter cavity, a support is arranged on the bottom wall of the gutter cavity, a reserved cavity is arranged in the support, and the length direction of the reserved cavity is the same as that of the gutter main body; the prestressed tendons penetrate through the reserved cavities, two ends of each prestressed tendon extend out of the reserved cavities, two anchors are arranged and are respectively sleeved at two end parts of the bracket, and two ends of each prestressed tendon penetrate through the anchors; a sealing gasket is arranged in each anchorage device and is positioned between the inner surface of the anchorage device and the outer surface of the bracket. This greenhouse gutter can increase substantially gutter bearing capacity and stability under the prerequisite that satisfies current operation requirement, reduces gutter width and cross-sectional area, makes the greenhouse span of opening increase by a wide margin, reduces shading structure, increases the daylighting, improves planting area, and the reservation cavity can have the thermal-insulated function of heat preservation concurrently simultaneously.

Description

Greenhouse gutter

Technical Field

The utility model relates to the technical field of gutter, in particular to a greenhouse gutter.

Background

In recent years, the modern agricultural greenhouse is built in a large area and is developed rapidly. As an important component of a greenhouse structure, the greenhouse gutter in the agricultural facility not only has the functions of collecting and guiding rainwater, but also is an important stressed member of the greenhouse structure to support the self weight and load of a roof.

At present, most of the prior art mainly uses an aluminum alloy gutter, the inside of the gutter adopts a cavity form, such as CN207672884U and CN212344693U, the technology is used for discharging rainwater collected on a roof and condensed water formed due to temperature change, but the width and the cross-sectional area of the gutter are larger due to the requirements of structural stress and drainage capacity, the whole bearing capacity of the gutter has limitation, the span of a bay is limited, and the influence is caused on lighting, planting and the like of a greenhouse.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, aim at providing a greenhouse gutter, arch in advance the gutter through providing prestressing tendons, under the prerequisite that satisfies current operation requirement, can increase substantially gutter bearing capacity and stability, reduce gutter width and cross-sectional area, make the greenhouse span of opening increase by a wide margin, reduce light-shading structure, increase daylighting, improve planting area, the reservation cavity can have the thermal-insulated function of heat preservation concurrently simultaneously.

The specific technical scheme is as follows:

a greenhouse gutter mainly comprises: a gutter main body, a prestressed tendon and an anchorage device;

the gutter main body comprises a gutter cavity, a support is arranged on the bottom wall of the gutter cavity, a reserved cavity is arranged in the support, and the length direction of the reserved cavity is the same as that of the gutter main body;

the prestressed tendons penetrate through the reserved cavities, two ends of each prestressed tendon extend out of the reserved cavities, two anchors are arranged and are respectively sleeved at two end parts of the bracket, and two ends of each prestressed tendon penetrate through the anchors;

and a sealing gasket is also arranged in each anchorage device and is positioned between the inner surface of the anchorage device and the outer surface of the bracket.

In the greenhouse gutter as described above, there is also the feature that the support comprises a circular ring part and a support part, the support part being fixed to the bottom wall of the gutter cavity, the circular ring part being fixed above the support part, the inner circular surface of the circular ring part forming the pre-cavity.

In the greenhouse gutter, the two support parts are arranged in a splayed shape.

In a greenhouse gutter of the kind described above, there is also the feature that the longitudinal side walls of the anchorage are located within the gutter body.

In a greenhouse gutter of the kind described above, there is also the feature that the tendon comprises at least one tendon.

In the greenhouse gutter, the prestressed tendons are steel wires or steel strands.

In the greenhouse gutter, the gutter main body and the support are of an integrated structure or a split structure.

In the greenhouse gutter, the gutter main body is made of aluminum alloy.

The positive effects of the technical scheme are as follows:

according to the greenhouse gutter provided by the utility model, the prestressed tendons are provided to pre-arch the gutter, so that on the premise of meeting the existing use requirements, the bearing capacity and stability of the gutter can be greatly improved, the width and the cross section area of the gutter are reduced, the span between the greenhouse openings is greatly increased, the shading structure is reduced, the lighting is increased, the planting area is increased, and meanwhile, the reserved cavity has the functions of heat preservation and heat insulation.

Drawings

FIG. 1 is a schematic front sectional view of a greenhouse gutter taken along a first direction according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a first direction according to a first embodiment of the present invention;

FIG. 3 is a schematic front sectional view of a greenhouse gutter taken along a second direction according to a first embodiment of the present invention;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a second direction according to a first embodiment of the present invention;

fig. 5 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a first direction according to a second embodiment of the present invention.

In the drawings: 1. a gutter body; 11. a gutter cavity; 2. prestressed tendons; 3. an anchorage device; 4. a support; 41. reserving a cavity; 42. a circular ring part; 43. a support portion; 5. a gasket seal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below by way of embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, fig. 1 is a schematic front sectional view of a greenhouse gutter taken along a first direction according to a first embodiment of the present invention; FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a first direction according to a first embodiment of the present invention; FIG. 3 is a schematic front sectional view of a greenhouse gutter taken along a second direction according to a first embodiment of the present invention; FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a second direction according to a first embodiment of the present invention; fig. 5 is a schematic view of a three-dimensional cross-sectional structure of a greenhouse gutter taken along a first direction according to a second embodiment of the present invention.

The utility model discloses a greenhouse gutter, which comprises: gutter main part 1, prestressing tendons 2 and ground tackle 3.

The gutter body 1 may be conventional, and the detailed shape thereof will not be described herein. Wherein, the gutter body 1 comprises a gutter cavity 11 which penetrates the whole gutter body 1 along the length direction of the gutter body 1. Optionally, the gutter body 1 is made of aluminum alloy.

A support 4 is arranged on the bottom wall of the gutter cavity 11, a reserved cavity 41 is arranged in the support 4, and the length direction of the reserved cavity 41 is the same as that of the gutter main body 1.

In the present embodiment, the gutter body 1 is divided into top and bottom and upper and lower in a state in which it is mounted on itself, and the bottom wall of the gutter cavity 11 is located at the bottom of the gutter cavity 11.

Alternatively, in the present embodiment, the bracket 4 includes a circular portion 42 and a support portion 43.

The supporting portion 43 is fixed on the bottom wall of the gutter cavity 11, optionally, the two supporting portions 43 are arranged in a splayed shape, and of course, other shapes can be adopted as long as the supporting and fixing function can be realized.

The circular part 42 is fixed above the supporting part 43, and the inner circular surface of the circular part 42 forms the reserved cavity 41.

The prestressed tendon 2 is arranged in the reserved cavity 41 in a penetrating mode, and two ends of the prestressed tendon 2 extend out of the reserved cavity 41.

Specifically, the tendon 2 is a steel wire or a steel strand.

Optionally, the tendon 2 comprises at least one. There may be one, two, three or even more, for example, as shown in fig. 1 to 4, the tendon 2 comprises one, and as shown in fig. 5, the tendon 2 comprises three.

Preferably, the tendon 2 does not exceed the gutter body 1 in length.

The two anchorage devices 3 are respectively sleeved at the two end parts of the bracket 4, and the two ends of the prestressed tendon 2 penetrate through the anchorage devices 3. The two anchors 3 are used for anchoring and fixing the two ends of the prestressed tendon 2.

Specifically, two anchors 3 are respectively sleeved on two ends of the circular ring portion 42, preferably, side walls of the anchors 3 in the length direction are located in the gutter main body 1, in other words, the outermost ends of the anchors 3 in the length direction do not exceed the gutter main body 1, and the length of the bracket 4 is smaller than that of the gutter main body 1.

A sealing gasket 5 is further arranged in each anchorage device 3, and the sealing gasket 5 is positioned between the inner surface of each anchorage device 3 and the outer surface of each bracket 4.

Specifically, the sealing gasket 5 is located between the inner surface of the anchor 3 and the outer surface of the circular ring portion 42, so that the sealing between the anchor 3 and the bracket 4, specifically the circular ring portion 42, is realized.

Optionally, in this embodiment, the gutter body 1 and the bracket 4 are of an integral structure, but the gutter body 1 and the bracket 4 may also be of a split structure.

In the greenhouse gutter in the embodiment, after the prestressed tendons 2 are installed in the reserved cavities 41, a certain tensile force is applied to the end parts of the prestressed tendons 2 through the jacks, so that the prestressed tendons 2 are pulled and arch upwards, and meanwhile, the anchorage devices 3 and the prestressed tendons 2 are anchored, so that the whole gutter is kept in a stable prestressed state.

According to the greenhouse gutter provided by the utility model, the prestressed tendons 2 are used for pre-arching the gutter, so that the bearing capacity and stability of the gutter can be greatly improved on the premise of meeting the existing use requirements; the width and the cross section area of the gutter can be reduced; the span between the greenhouse openings can be greatly increased, the shading structure is effectively reduced, the lighting is increased, and the planting area is increased; the reserved cavity 41 can have the functions of heat preservation and heat insulation; meanwhile, the prestressed tendon 2 has good concealment, does not affect the appearance, and is simple and convenient to manufacture and install.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. A greenhouse gutter, comprising: a gutter main body, a prestressed tendon and an anchorage device;

the gutter main body comprises a gutter cavity, a support is arranged on the bottom wall of the gutter cavity, a reserved cavity is arranged in the support, and the length direction of the reserved cavity is the same as that of the gutter main body;

the prestressed tendons penetrate through the reserved cavities, two ends of each prestressed tendon extend out of the reserved cavities, two anchors are arranged and are respectively sleeved at two end parts of the bracket, and two ends of each prestressed tendon penetrate through the anchors;

and a sealing gasket is also arranged in each anchorage device and is positioned between the inner surface of the anchorage device and the outer surface of the bracket.

2. Greenhouse gutter according to claim 1, characterized in that the brackets comprise a circular ring part and a support part, the support part being fixed on the bottom wall of the gutter cavity, the circular ring part being fixed above the support part, the inner circular surface of the circular ring part forming the pre-cavity.

3. The greenhouse gutter of claim 2, wherein the two support portions are disposed in an "eight" shape.

4. The greenhouse gutter of claim 1, wherein a lengthwise sidewall of the anchor is located within the gutter body.

5. Greenhouse gutter according to any of the claims 1 to 4, characterized in that the tendons comprise at least one tendon.

6. Greenhouse gutter according to any of the claims 1 to 4, characterized in that the tendons are steel wires or steel strands.

7. The greenhouse gutter of any one of claims 1 to 4, wherein the gutter body and the support are of a one-piece or a split structure.

8. The greenhouse gutter of any one of claims 1 to 4, wherein the gutter body is made of an aluminum alloy.

Images