Multi-span greenhouse

[0023] Example 1

[0024] Depend on Figure 1~3 As shown, in the embodiment of the present invention, a multi-span greenhouse includes a first shed body 1, a second shed body 2, a column 7 and a vertical vent 12, and the second shed body 2 is arranged on the right side of the first shed body 1 , the bottoms of the first shed body 1 and the second shed body 2 are fixed on the ground 3, the middle position of the ground 3 is fixedly installed with a column 7, and the outside of the first shed body 1 and the second shed body 2 are laid with a greenhouse film of equal length;

[0025] A vertical vent 12 is set between the top of the second shed body 2 and the top of the first shed body 1, and the vertical vent 12 is installed on the column 7, and the setting of the vertical vent 12 is conducive to forming a strong air Convection, which is beneficial to the cooling and dehumidification of the greenhouse, the top of the vertical vent 12 is symmetrically provided with two first film ro

[0032] Example 2

[0033] A method for installing a multi-span greenhouse based on the multi-span greenhouse described in Embodiment 1, the steps are as follows:

[0034] S1, trim the ground 3, install the first shed body 1 and the second shed body 2 on the left and right sides of the ground 3 at the same time, and then install the first inclined support rod 4 and the first shed body 2 respectively on the first shed body 1 and the second shed body 2 The second oblique support rod 5, the first oblique support rod 4 is fixedly connected with the first shed body 1 through the first rafter rod 8, and the second oblique support rod 5 is fixedly connected with the second shed body 2 through the second rafter rod 9 , the first rafter bar 8 and the first shed body 1 are fixed by screws, and the second rafter bar 9 and the second shed body 2 are fixed by screws;

[0035] S2. Install the column 7 in the middle of the ground 3, and install the third oblique support rod 6 connected to the f