Connecting piece and connecting method for unilateral operation of agricultural and light integrated plant factory

Abstract

The invention provides a connecting piece and a connecting method for unilateral operation of an agricultural and light integrated plant factory, the unilateral operation connecting piece comprises a screw rod, a locking piece and a nut, the end of the screw rod is provided with a kidney-shaped head, the locking piece movably sleeves the screw rod, the locking piece is provided with a locking groove, and the locking groove is used for accommodating the kidney-shaped head and limiting rotation of the kidney-shaped head and the screw rod. The kidney-shaped head and the locking piece are in the shape of a kidney-shaped hole, the kidney-shaped head is used for penetrating through the connecting plate and the kidney-shaped hole of a frame longitudinal beam or a frame cross beam on the photovoltaic support, and the locking piece is located in the kidney-shaped hole in a sliding mode and is limited by the kidney-shaped hole to rotate. According to the unilateral operation connecting piece, fastening and dismounting operation can be conducted from one side, the operation difficulty of building and maintaining of an under-board plant factory or a facility agricultural greenhouse is greatly simplified, the installation cost is reduced, and the safety risk of aerial operation is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of agriculture-photovoltaic integrated plant factories, and in particular to a connector and a connection method for single-sided operation of an agriculture-photovoltaic integrated plant factory. Background Art

[0002] The integrated agricultural and photovoltaic plant factory is to organically integrate photovoltaic engineering with plant factories, realize facility and space sharing and management sharing, and can reduce the facility investment and production and operation costs of simple plant factories, including the cost of building the frame of the plant factory under the board or the facility agricultural greenhouse, the cost of later operation and maintenance, and the cost of electricity. It can also improve the utilization rate of the space under the board and land of the photovoltaic project, and realize the high-quality development of the agricultural and photovoltaic complementary project. In the structure of the integrated agricultural and photovoltaic plant factory, the plant factory or the facility agricultural greenhouse is the main cost. However, the existing integrated agricultural and photovoltaic plant factory also has the problem that the plastic film on the top of the plant factory or the facility agricultural greenhouse needs to be removed when the photovoltaic components are maintained. Due to the obstruction of the plastic film, the installation, fixing and removal of the plastic film can only be operated from one side. At present, only self-tapping screws can be used. During the installation process, holes need to be drilled and then screwed in, which makes the construction of agricultural facilities and the maintenance of photovoltaic components more troublesome. Moreover, after the self-tapping screws are removed several times, the holes are easy to slip, which creates new difficulties for installation, making the reliability of the plant factory under the board or the facility agricultural greenhouse as a whole hidden danger. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a connector and a connection method for single-sided operation of an integrated agricultural and photovoltaic plant factory, which can conveniently fix bolts from one side and can be repeatedly installed and disassembled, thereby reducing the difficulty of construction and maintenance operations of plant factories or agricultural greenhouses and photovoltaic modules.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a connecting piece for unilateral operation of an integrated agricultural and photovoltaic plant factory, the unilateral operation connecting piece includes a screw, a locking piece and a nut, the end of the screw is provided with a waist-shaped head, the locking piece is movably sleeved on the screw, and a locking groove is provided on the locking piece, the locking groove is used to accommodate the waist-shaped head and limit the rotation of the waist-shaped head and the screw.

[0005] In the preferred embodiment, the waist-shaped head and the locking piece are both in the shape of waist-shaped holes. The waist-shaped head is used to pass through the waist-shaped holes of the connecting plate and the frame longitudinal beam or frame cross beam on the photovoltaic bracket. The locking piece is slidably located in the waist-shaped hole and is restricted from rotating by the waist-shaped hole.

[0006] In a preferred solution, the bottom thickness of the locking groove of the locking member is less than the sum of the thicknesses of the connected members; The thickness of the locking member is greater than the sum of the thicknesses of the connected members; When fixing, the waist-shaped head is rotated 90° and then stuck in the locking groove.

[0007] In a preferred embodiment, the connected parts include at least two of a connecting plate, a membrane layer, a frame longitudinal beam or a frame cross beam.

[0008] In a preferred solution, a stop structure is provided on the screw rod or the nut.

[0009] In a preferred solution, the anti-retraction structure includes a spring washer, a double nut or a barb structure arranged on the inner end surface of the nut.

[0010] In a preferred solution, an anti-dropout hole is provided at the free end of the screw rod, and the anti-dropout hole is connected to the anti-dropout piece.

[0011] In a preferred embodiment, the anti-slipping piece is a "T"-shaped structure, the height of the anti-slipping piece is smaller than the diameter of the screw, and the length of the anti-slipping piece is greater than the length of the waist-shaped hole; The raised position in the middle of the anti-dropping piece is connected to the anti-dropping hole through a hanging rope.

[0012] In a preferred embodiment, the connecting plate is connected to the membrane layer; A sleeve is arranged at the edge of the membrane layer, the connecting plate is inserted into the sleeve, and corresponding waist-shaped holes are arranged on the membrane layer.

[0013] In a preferred solution, the connecting plate is fixedly connected to both ends of the connecting rod, and the membrane layer is fixedly connected to the connecting rod; Along the length direction of the membrane layer, a plurality of connecting rods are arranged at preset intervals.

[0014] In a preferred solution, the connecting rod passes through the water collecting trough, and the water collecting trough is located at a lower position of the connecting rod.

[0015] In a preferred solution, one end of the connecting rod is fixedly connected to the connecting plate, and the other end of the connecting rod passes through the side wall of the water collecting trough and is detachably fixedly connected to the connecting plate.

[0016] In a preferred solution, the detachable fixed connection structure is: a wedge piece is fixedly provided at the end of the connecting rod, a wedge groove is provided on the connecting plate, and the wedge piece is clamped with the wedge groove; Alternatively, the detachable fixed connection structure is a flange connection.

[0017] In a preferred embodiment, the wedge is a diameter-expanding piece fixedly mounted on the end of the connecting rod, or is a barb structure fixedly mounted on the end of the connecting rod; The wedge groove is a slot with an opening at the top, and the expansion piece or the barb is located in the slot.

[0018] The method for connecting a connector for single-side operation of an integrated agriculture-photovoltaic plant factory includes the following steps: S1. Align the waist-shaped hole of the connecting plate with the waist-shaped hole on the photovoltaic bracket; S2, passing the waist-shaped head of the single-side operating connector through the waist-shaped hole; S3, the waist-shaped head passes through the waist-shaped hole, and the locking piece is located in the waist-shaped hole; S4. Rotate the screw 90° and tighten the nut to make the waist-shaped head fit into the locking groove; Through the above steps, the single-side operation is realized to fix the connection piece.

[0019] In the preferred solution, there is further provided step S0, fixing the connecting rod to the membrane layer on the ground; Fixedly connect the connecting plate at one end of the connecting rod to the photovoltaic bracket; The other end of the connecting rod passes through the side wall of the water collecting tank and is then fixedly connected to the connecting plate; Fix the connecting plate to the photovoltaic bracket.

[0020] The present invention provides a connector and a connection method for single-sided operation of an integrated agricultural and photovoltaic plant factory. The single-sided operation connector can be tightened and disassembled from one side, which greatly simplifies the operational difficulty of building and maintaining an under-board plant factory or a facility agricultural greenhouse, reduces installation costs, and reduces the safety risks of aerial operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a three-dimensional view of the single-side operation connecting piece of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the single-side operation connecting piece of the present invention when it is installed.

[0023] Figure 3 It is a schematic diagram of the structure of the single-side operation connecting piece of the present invention when it is tightened.

[0024] Figure 4 This is a schematic diagram of the main structure of the agricultural-photovoltaic integrated plant factory of the present invention.

[0025] Figure 5 It is a schematic diagram of the installation structure of the water collecting tank in the present invention.

[0026] Figure 6 It is a top view of a partial structure of the integrated agriculture and light plant factory of the present invention.

[0027] Figure 7 It is a structural schematic diagram of the connecting plate of the present invention.

[0028] In the figure: film layer 1, ground film 2, connecting plate 3, side wall connecting buckle 31, slot 32, slot elastic member 33, wedge groove 34, frame longitudinal beam 4, waist-shaped hole 41, frame cross beam 5, planting rack 6, side wall 7, connecting rod 8, wedge 81, single-sided operation connecting member 9, nut 91, screw 92, locking member 93, locking slot 94, waist-shaped head 95, anti-slip hole 96, anti-slip member 97, first screw 10, exhaust fan 11, second screw 12, water collecting trough 13, trough bottom thickness 14, photovoltaic bracket 100. DETAILED DESCRIPTION

[0029] Embodiment 1: like Figures 1 to 3 In the figure, a connector for single-sided operation of an integrated agricultural and photovoltaic plant factory is provided. The single-sided operation connector 9 includes a screw rod 92, a locking member 93 and a nut 91. The end of the screw rod 92 is provided with a waist-shaped head 95. The locking member 93 is movably sleeved on the screw rod 92. A locking groove 94 is provided on the locking member 93. The locking groove 94 is used to accommodate the waist-shaped head 95 and limit the rotation of the waist-shaped head 95 and the screw rod 92.

[0030] The preferred solution is Figure 1 In the figure, the waist-shaped head 95 and the locking piece 93 are both in the shape of a waist-shaped hole 41. The waist-shaped head 95 is used to pass through the waist-shaped hole 41 of the connecting plate 3 and the frame longitudinal beam 4 or the frame cross beam 5 on the photovoltaic bracket 100. The locking piece 93 is slidably located in the waist-shaped hole 41 and is restricted from rotating by the waist-shaped hole 41.

[0031] The preferred solution is Figure 2 In the embodiment, the groove bottom thickness 14 of the locking groove 94 of the locking member 93 is less than the sum of the thicknesses of the connected members; The thickness of the locking member 93 is greater than the sum of the thicknesses of the connected members; the connected members in this example refer to the sum of the thicknesses of at least the connecting plate 3 and the frame longitudinal beam 4 .

[0032] like Figure 3 As shown in FIG. 1 , when fixing, the waist-shaped head 95 is rotated 90° and then stuck in the locking groove 94 .

[0033] The preferred solution is Figure 2 In the embodiment, the connected parts include at least two of the connecting plate 3, the membrane layer 1, the frame longitudinal beam 4 or the frame cross beam 5. For example, the connecting plate 3, the membrane layer 1 and the frame longitudinal beam 4 are connected, or the connecting plate 3, the membrane layer 1 and the frame cross beam 5 are connected.

[0034] In a preferred solution, a stop structure is provided on the screw rod 92 or the nut 91 .

[0035] In a preferred embodiment, the anti-retraction structure includes a spring washer, a double nut, or a barb structure provided on the inner end surface of the nut 91. The barb structure means that when the nut 91 is tightened, the barb structure contacts the gasket along the barb, and when the nut 91 is tightened and loosened, the barb structure and the gasket are against the barb, and the barb structure and the gasket are engaged with each other, so that the gasket will not loosen.

[0036] The preferred solution is Figure 2 , 3 In the embodiment, a free end of the screw rod 92 is provided with an anti-drop hole 96, which is connected to an anti-drop member 97. This structure can prevent parts from falling off during aerial work, such as a nut from falling off.

[0037] In a preferred embodiment, the anti-slip member 97 is a "T"-shaped structure, the height of the anti-slip member 97 is smaller than the diameter of the screw 92, and the length of the anti-slip member 97 is greater than the length of the waist-shaped hole 41; The raised position in the middle of the anti-dropping member 97 is connected with the anti-dropping hole 96 by a hanging rope. Thus, when operating in the air, the connecting member is prevented from completely penetrating into the other side of the connected member.

[0038] The preferred solution is Figure 4 In the figure, the connecting plate 3 is connected to the membrane layer 1; A sleeve is provided at the edge of the membrane layer 1, and the connecting plate 3 is inserted into the sleeve, and a corresponding waist-shaped hole 41 is provided on the membrane layer 1. The membrane layer 1 is usually made of polyethylene, polyvinyl chloride and other materials, and is wound into a sleeve structure at the edge of the membrane layer 1, and then the connecting plate 3 is inserted, and then the connecting piece of the present invention is used to connect the membrane layer 1, the connecting plate 3 and the frame longitudinal beam 4 or the frame cross beam 5.

[0039] The preferred solution is Figure 6 In the embodiment, the connecting plate 3 is fixedly connected to both ends of the connecting rod 8, and the membrane layer 1 is fixedly connected to the connecting rod 8; the connecting plate 3 and the connecting rod 8 form a rigid frame structure.

[0040] Along the length direction of the film layer 1 , a plurality of connecting rods 8 are arranged at preset intervals.

[0041] The preferred solution is Figure 5 In the embodiment, the connecting rod 8 passes through the water collecting tank 13, and the water collecting tank 13 is located at a lower position of the connecting rod 8. With this structure, the installation of the water collecting tank 13 is more convenient.

[0042] The preferred solution is Figure 5 In the embodiment, one end of the connecting rod 8 is fixedly connected to the connecting plate 3, and the other end of the connecting rod 8 passes through the side wall of the water collecting tank 13 and is detachably fixedly connected to the connecting plate 3. With this structure, the rigid frame of the membrane layer 1 and the water collecting tank 13 can be quickly installed.

[0043] The preferred solution is Figure 7In the embodiment, the detachable fixed connection structure is: a wedge 81 is fixedly provided at the end of the connecting rod 8, a wedge groove 34 is provided on the connecting plate 3, and the wedge 81 is clamped with the wedge groove 34; or the detachable fixed connection structure is a flange connection. In this example, the wedge 81 is a disc-shaped disc, the edge of the disc is thinner and the middle is thicker, and the wedge groove 34 is a "U"-shaped groove, and the cross section of the "U"-shaped groove and the disc form a wedge structure.

[0044] In a preferred embodiment, the wedge 81 is a diameter-enlarging piece fixedly mounted on the end of the connecting rod 8, or is a barb structure fixedly mounted on the end of the connecting rod 8; The wedge groove 34 is a slot with an opening at the top, and the expansion piece or the barb is located in the slot. During installation, the connecting piece of the present invention is first used to fix the connecting plate 3 with the frame longitudinal beam 4 or the frame cross beam 5, and the wedge piece 81 is placed in the wedge groove 34, so that the installation of the membrane frame is quickly completed.

[0045] Embodiment 2: like Figures 1 to 7 In the embodiment, a connection method of a connector for single-side operation of an integrated agriculture-photovoltaic plant factory is used, comprising the following steps: In a preferred solution, step S0, on the ground, the connecting rod 8 is fixedly connected to the membrane layer 1; The connecting plate 3 at one end of the connecting rod 8 is fixedly connected to the photovoltaic bracket 100; The other end of the connecting rod 8 passes through the side wall of the water collecting tank 13 and is then fixedly connected to the connecting plate 3; The connecting plate 3 is fixedly connected to the photovoltaic support 100 .

[0046] S1, aligning the waist-shaped hole 41 of the connecting plate 3 with the waist-shaped hole 41 on the photovoltaic bracket 100; S2, passing the waist-shaped head 95 of the single-side operating connecting piece 9 through the waist-shaped hole 41; S3, the waist-shaped head 95 passes through the waist-shaped hole 41, and the locking member 93 is located in the waist-shaped hole 41; S4, rotate the screw 92 90°, tighten the nut 91, and make the waist-shaped head 95 fit into the locking groove 94; Through the above steps, the connection piece is fixedly connected to the photovoltaic support 100 by a single-side operation. Thus, the film layer 1 and the water collection tank 13 are fixedly connected to the photovoltaic support 100. Figure 4 It can be seen that by adopting the method of the present invention, the operator only needs to complete the installation and removal of the film layer 1 below the photovoltaic bracket without having to go to the top of the photovoltaic bracket, which not only improves the construction efficiency but also reduces the safety risks.

[0047] The above-mentioned embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A connector for single-side operation of an integrated agricultural and photovoltaic plant factory, characterized by: The single-side operation connecting member (9) comprises a screw rod (92), a locking member (93) and a nut (91); a waist-shaped head (95) is provided at the end of the screw rod (92); the locking member (93) is movably sleeved on the screw rod (92); a locking groove (94) is provided on the locking member (93); the locking groove (94) is used to accommodate the waist-shaped head (95) and limit the rotation of the waist-shaped head (95) and the screw rod (92).

2. A connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 1, characterized in that: The waist-shaped head (95) and the locking piece (93) are both in the shape of a waist-shaped hole (41); the waist-shaped head (95) is used to pass through the waist-shaped hole (41) of the connecting plate (3) and the upper frame longitudinal beam (4) or the frame cross beam (5) of the photovoltaic support (100); the locking piece (93) is slidably located in the waist-shaped hole (41) and is restricted from rotating by the waist-shaped hole (41).

3. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 2 is characterized in that: The groove bottom thickness (14) of the locking groove (94) of the locking member (93) is smaller than the sum of the thicknesses of the connected members; The thickness of the locking member (93) is greater than the sum of the thicknesses of the connected members; When fixing, the waist-shaped head (95) is rotated 90° and then stuck in the locking groove (94).

4. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 3 is characterized by: The connected parts include at least two of the connecting plate (3), the membrane layer (1), the frame longitudinal beam (4) or the frame cross beam (5).

5. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 1 is characterized by: A stop structure is provided on the screw rod (92) or the nut (91).

6. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 5 is characterized by: The anti-retraction structure comprises a spring washer, a double nut, or a barb structure arranged on the inner end surface of the nut (91).

7. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 1 is characterized by: An anti-dropout hole (96) is provided at the free end of the screw rod (92), and the anti-dropout hole (96) is connected to an anti-dropout member (97).

8. The connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 7 is characterized in that: The anti-slipping piece (97) is a "T"-shaped structure, the height of the anti-slipping piece (97) is smaller than the diameter of the screw rod (92), and the length of the anti-slipping piece (97) is greater than the length of the waist-shaped hole (41); The raised position in the middle of the anti-dropping member (97) is connected to the anti-dropping hole (96) via a hanging rope.

9. A connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to any one of claims 1 to 8, characterized in that: The connecting plate (3) is connected to the membrane layer (1); A sleeve is provided at the edge of the membrane layer (1), the connecting plate (3) is inserted into the sleeve, and a corresponding waist-shaped hole (41) is provided on the membrane layer (1).

10. A connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to any one of claims 1 to 8, characterized in that: The connecting plate (3) is fixedly connected to both ends of the connecting rod (8), and the membrane layer (1) is fixedly connected to the connecting rod (8); Along the length direction of the membrane layer (1), a plurality of connecting rods (8) are arranged at preset intervals.

11. A connector for single-side operation of an integrated agriculture-photovoltaic plant factory according to claim 10, characterized in that: The connecting rod (8) passes through the water collecting trough (13), and the water collecting trough (13) is located at a lower position than the connecting rod (8).

12. A connector for single-side operation of an integrated agriculture and light plant factory according to claim 11, characterized in that: One end of the connecting rod (8) is fixedly connected to the connecting plate (3), and the other end of the connecting rod (8) passes through the side wall of the water collecting trough (13) and is detachably fixedly connected to the connecting plate (3).

13. A connector for single-side operation of an integrated agriculture and light plant factory according to claim 12, characterized in that: The detachable fixed connection structure comprises: a wedge piece (81) is fixedly provided at the end of the connecting rod (8), a wedge groove (34) is provided on the connecting plate (3), and the wedge piece (81) is clamped with the wedge groove (34); Alternatively, the detachable fixed connection structure is a flange connection.

14. A connector for single-side operation of an integrated agriculture and light plant factory according to claim 13, characterized in that: The wedge piece (81) is a diameter-expanding piece fixedly mounted on the end of the connecting rod (8), or is a barb structure fixedly mounted on the end of the connecting rod (8); The wedge groove (34) is a slot with an opening at the top, and the diameter expansion piece or the barb is located in the slot.

15. A method for connecting a connector for single-side operation in an integrated agriculture-photovoltaic plant factory according to any one of claims 1 to 14, characterized in that The following steps are involved: S1, aligning the waist-shaped hole (41) of the connecting plate (3) with the waist-shaped hole (41) on the photovoltaic support (100); S2, passing the waist-shaped head (95) of the single-side operating connecting piece (9) through the waist-shaped hole (41); S3, the waist-shaped head (95) passes through the waist-shaped hole (41), and the locking member (93) is located in the waist-shaped hole (41); S4, rotate the screw (92) by 90°, tighten the nut (91), and make the waist-shaped head (95) snap into the locking groove (94); Through the above steps, the single-side operation is realized to fix the connection piece.

16. A method for connecting a connector for single-side operation in an integrated agriculture-photovoltaic plant factory according to claim 15, characterized in that: There is also a step S0 of fixedly connecting the connecting rod (8) to the membrane layer (1) on the ground; The connecting plate (3) at one end of the connecting rod (8) is fixedly connected to the photovoltaic support (100); The other end of the connecting rod (8) passes through the side wall of the water collecting tank (13) and is then fixedly connected to the connecting plate (3); The connecting plate (3) is fixedly connected to the photovoltaic support (100).

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