CN210519604U

CN210519604U - Greenhouse truss

Info

Publication number: CN210519604U
Application number: CN201921351384.6U
Authority: CN
Inventors: 陈联宗
Original assignee: Xiamen Nongfengyuan Greenhouse Development Co ltd
Current assignee: Xiamen Nongfengyuan Greenhouse Development Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-15
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a greenhouse truss, which relates to the technical field of agricultural greenhouses and comprises two crossbeams which are arranged at intervals and in parallel, wherein a plurality of inclined supporting rods are connected between the two crossbeams, two ends of each inclined supporting rod are bent in opposite directions to form a fixed part parallel to the crossbeams, two fixed parts of each inclined supporting rod are respectively fixedly connected with the two crossbeams, and a region enclosed by each two adjacent inclined supporting rods and one of the two crossbeams is triangular; the convex bract of one side formation protrusion of fixed part, the other side of fixed part and the branch department that corresponds of bract form the recess, and when the fixed part of every two adjacent oblique bracing pieces is stacked together, the bract on one fixed part is held in the recess of another fixed part. The utility model discloses set up many bearing diagonal poles between two crossbeams, the both ends bending type of bearing diagonal pole becomes the fixed part that is on a parallel with the crossbeam, and the crossbeam can transmit the pressure that receives better for the bearing diagonal pole in order to share through the fixed part, makes the whole atress of each part of truss balanced, avoids the crossbeam to warp.

Description

Greenhouse truss

Technical Field

The utility model relates to an agricultural greenhouse technical field especially relates to a greenhouse truss.

Background

Nowadays, greenhouses are widely used in various places. When the size of the greenhouse is large, the truss needs to be arranged between the upright posts to improve the stability of the whole greenhouse, so that the truss is an important structure in the greenhouse. Generally, the truss for the greenhouse is assembled to the greenhouse by fixing both ends of the truss to the vertical columns and supporting members for supporting the roof, and the truss needs to bear the weight of the roof and the supporting members and also needs to resist deformation caused by its own weight, and thus should have good rigidity and strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a greenhouse truss, its stable in structure, bearing capacity are strong, non-deformable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a greenhouse truss comprises two beams which are arranged at intervals in parallel, wherein a plurality of inclined supporting rods are connected between the two beams, two ends of each inclined supporting rod are bent in opposite directions to form a fixing part parallel to the beams, the two fixing parts of each inclined supporting rod are fixedly connected with the two beams respectively, and an area enclosed by each two adjacent inclined supporting rods and one of the two beams is triangular; at least two convex bracts are formed by the protrusion of one side of each fixing part, a concave is formed at the corresponding position of the other side of each fixing part and each convex bract, and when the fixing parts of every two adjacent inclined supporting rods are stacked together, the convex bracts on one fixing part are accommodated in the concave of the other fixing part.

Further, still be connected with the straight bracing piece of two crossbeams of many perpendicular to between two crossbeams, the both ends of straight bracing piece are equipped with the external screw thread, and nut and a crossbeam fixed connection are passed through to the one end of straight bracing piece, and the other end of straight bracing piece passes through the nut with the fixed part and a crossbeam fixed connection of one or two adjacent bearing diagonal poles.

Preferably, the greenhouse truss is of an axisymmetric structure, the greenhouse truss at least comprises three straight support rods, one of the three straight support rods is fixedly connected to the central line of the greenhouse truss, and the other two straight support rods are respectively and fixedly connected with the inclined support rods at the tail ends of the two ends of the greenhouse truss.

Furthermore, a plurality of U-shaped connecting blocks are mounted on a beam located at the higher position of the greenhouse, the opening of each U-shaped connecting block faces the top of the greenhouse, and bolt mounting holes penetrating through two side walls of each U-shaped connecting block are formed in each U-shaped connecting block.

Further, be equipped with the bolt mounting hole on the fixed part, the fixed part of two adjacent bearing diagonal poles stacks together and the bolt mounting hole on two fixed parts aligns, and each fixed part passes through the bolt and the nut realizes being connected with the crossbeam.

Furthermore, one side of the fixing part is provided with two protrusions which are respectively distributed on two sides of the bolt mounting hole, the other side of the fixing part is provided with two recesses which are respectively distributed on two sides of the bolt mounting hole.

Furthermore, two ends of the inclined supporting rod are bent by 45 degrees in opposite directions and are flattened to form the fixing part.

Preferably, the crossbeam is square pipe, and the both ends of each crossbeam all are equipped with the bolt mounting hole.

Preferably, the inclined support rod is a round rod.

The utility model discloses because set up many bearing capacity between two crossbeams, the both ends bending type of bearing diagonal pole becomes the fixed part that is on a parallel with the crossbeam, the crossbeam can be better with the pressure transmission that receives for the bearing diagonal pole in order to share through the fixed part, make the whole atress of each part of truss balanced, avoid the crossbeam to warp, and two adjacent bearing diagonal poles and one of two crossbeams enclose synthetic region and be triangle-shaped, that is to say, the bearing diagonal pole divides into each triangle-shaped unit with the region between two crossbeams, in further preferred scheme, middle part and both ends at the truss set up straight vaulting pole, with supporting two crossbeams, avoid the crossbeam crooked, consequently, this truss has good stability, its bearing capacity is strong, non-deformable. Be equipped with protruding bract and sunken on the fixed part, protruding bract and sunken cooperation realize fixing a position each other two superposes fixed parts together, prevent to take place relative rotation when the equipment, guarantee that each bearing diagonal pole is located the coplanar.

Drawings

Fig. 1 is a partial perspective view of a greenhouse truss according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a greenhouse truss according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is an assembled view of the support member and the U-shaped connecting block;

FIG. 5 is a perspective view of the diagonal support bar;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is an enlarged view at A in FIG. 5;

fig. 8 is an enlarged view at B in fig. 6.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, a greenhouse truss includes two beams 1 arranged in parallel at intervals, a plurality of inclined support rods 2 are connected between the two beams 1, two ends of each inclined support rod 2 are bent in opposite directions to form fixing portions 21 parallel to the beams 1, the two fixing portions 21 of each inclined support rod 2 are respectively fixedly connected with the two beams 1, and an area enclosed by each two adjacent inclined support rods 2 and one of the two beams 1 is triangular. One side of the fixing part 21 protrudes to form a convex bud 22, the other side of the fixing part 21 corresponds to the convex bud 22 to form a concave 23, and when the fixing parts 21 of two adjacent inclined support rods 2 are stacked together, the convex bud 22 on one fixing part 21 is accommodated in the concave 23 of the other fixing part 21.

The both ends bending type of bracing strut 2 becomes the fixed part 21 that is on a parallel with crossbeam 1, and crossbeam 1 can be better with the pressure transmission that receives for bracing strut 2 in order to share through fixed part 21, makes the whole atress of each part of truss balanced, avoids crossbeam 1 to warp. The area enclosed by two adjacent inclined supporting rods 2 and one of the two cross beams 1 is triangular, that is, the inclined supporting rods 2 divide the area between the two cross beams 1 into triangular units, so that the truss has good stability. The cooperation of the lobes 22 and the recesses 23 allows the mutual positioning of the two superimposed fixtures 21, preventing relative rotation during assembly.

As shown in fig. 2, a plurality of straight support rods 5 perpendicular to the two cross beams 1 are further connected between the two cross beams 1, external threads are arranged at two ends of each straight support rod 5, one end of each straight support rod 5 is fixedly connected with one cross beam 1 through a nut 4, and the other end of each straight support rod 5 is fixedly connected with one or two adjacent inclined support rods 2 through a nut 4. The straight support bar 5 can replace the bolt 3 to fixedly connect the diagonal support bar 2 and the cross member 1 together.

The straight support rods 5 support the two beams 1 of the greenhouse to avoid the beams 1 from bending. The greenhouse truss at least comprises three straight supporting rods 5, wherein one straight supporting rod 5 is fixedly connected to the central line of the greenhouse truss, and the other two straight supporting rods 5 are respectively and fixedly connected with the inclined supporting rods 2 at the tail ends of the two ends of the greenhouse truss.

As shown in fig. 3 and 4, a plurality of U-shaped connecting blocks 6 are mounted on the beam 1 at a higher position of the greenhouse, the opening of each U-shaped connecting block 6 faces the top of the greenhouse, and bolt mounting holes 7 penetrating through two side walls of each U-shaped connecting block 6 are formed in each U-shaped connecting block 6. The U-shaped connecting block 6 is used for installing a supporting piece 8 for supporting a shed roof, the lower end of the supporting piece 8 is arranged in the U-shaped connecting block 6, and the bolt 3 penetrates through the U-shaped connecting block 6 and the supporting piece 8 and then is locked with the nut 4, so that the supporting piece 8 and the truss are fixedly assembled. Crossbeam 1 is square pipe, and the both ends of each crossbeam 1 all are equipped with

bolt mounting hole

7, and 1 both ends of crossbeam pass through bolt 3 and stand fixed connection. The greenhouse truss is preferably of an axisymmetric structure, so that the greenhouse truss is more balanced in stress and more stable in structure.

The fixing portions 21 are provided with bolt mounting holes 7, and as shown in fig. 4, the fixing portions 21 of two adjacent diagonal support bars 2 are stacked together and the bolt mounting holes 7 of the two fixing portions 21 are aligned. Bolts 3 penetrate through bolt mounting holes 7 of fixing parts 21 of a cross beam 1 and two inclined supporting rods 2 and are locked with nuts 4, and therefore the two inclined supporting rods 2 are connected with the cross beam 1.

In a specific structure, two fixing parts of each inclined supporting rod are provided with a convex bract and a concave, and the fixing parts of partial inclined supporting rods and the fixing parts of adjacent inclined supporting rods are mutually positioned, so that two ends of each inclined supporting rod are limited, the position of each inclined supporting rod is more accurate when the inclined supporting rods are assembled, and deformation is reduced.

Preferably, one side of the fixing portion 21 has two protrusions 22, the two protrusions 22 are respectively disposed at both sides of the bolt mounting hole 7, the other side of the fixing portion 21 has two recesses 23, and the two recesses 23 are respectively disposed at both sides of the bolt mounting hole 7.

The diagonal support rods 2 may be rod-shaped or tubular members, and in this embodiment, as shown in fig. 5 and 6, the diagonal support rods 2 are preferably round rods, and both ends of each diagonal support rod 2 are bent in opposite directions by 30 ° to 60 °, preferably 45 °, and flattened to form the fixing portion 21.

In a specific manufacturing process, the fixing portion 21, the bolt mounting hole 7 on the fixing portion 21, and the protrusions 22 and the depressions 23 are formed by punching the diagonal support bar 2, so that the one-time punching forming is performed.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims

1. The utility model provides a big-arch shelter truss which characterized in that: the supporting frame comprises two cross beams which are arranged at intervals in parallel, wherein a plurality of inclined supporting rods are connected between the two cross beams, two ends of each inclined supporting rod are bent in opposite directions to form a fixing part parallel to the cross beams, the two fixing parts of each inclined supporting rod are fixedly connected with the two cross beams respectively, and an area enclosed by each two adjacent inclined supporting rods and one of the two cross beams is triangular; the convex bract of one side formation protrusion of fixed part, the other side of fixed part and the branch department that corresponds of bract form the recess, and when the fixed part of every two adjacent oblique bracing pieces is stacked together, the bract on one fixed part is held in the recess of another fixed part.

2. The greenhouse truss of claim 1, wherein: the supporting device is characterized in that a plurality of straight supporting rods perpendicular to the two cross beams are further connected between the two cross beams, external threads are arranged at two ends of each straight supporting rod, one end of each straight supporting rod is fixedly connected with one cross beam through a nut, and the other end of each straight supporting rod is fixedly connected with one or two adjacent inclined supporting rods through nuts.

3. The greenhouse truss of claim 2, wherein: the greenhouse truss is of an axisymmetric structure and at least comprises three straight supporting rods, wherein one straight supporting rod is fixedly connected to the central line of the greenhouse truss, and the other two straight supporting rods are fixedly connected with the inclined supporting rods at the tails of the two ends of the greenhouse truss respectively.

4. The greenhouse truss of claim 1, wherein: a plurality of U-shaped connecting blocks are mounted on the beam located at the higher position of the greenhouse, the opening of each U-shaped connecting block faces the top of the greenhouse, and bolt mounting holes penetrating through two side walls of each U-shaped connecting block are formed in each U-shaped connecting block.

5. The greenhouse truss of claim 1, wherein: be equipped with the bolt mounting hole on the fixed part, the fixed part of two adjacent bearing diagonal poles stacks together and the bolt mounting hole on two fixed parts aligns, and each fixed part passes through the bolt and the nut realizes being connected with the crossbeam.

6. The greenhouse truss of claim 5, wherein: the two protrusions are arranged on one side of the fixing portion and are respectively distributed on two sides of the bolt mounting hole, the two depressions are arranged on the other side of the fixing portion and are respectively distributed on two sides of the bolt mounting hole.

7. The greenhouse truss of claim 1, wherein: the two ends of the inclined supporting rod are bent by 45 degrees in opposite directions and are flattened to form the fixing part.

8. The greenhouse truss of any one of claims 1 to 7, wherein: the crossbeam is square pipe, and the both ends of each crossbeam all are equipped with the bolt mounting hole.

9. The greenhouse truss of any one of claims 1 to 7, wherein: the inclined supporting rod is a round rod.