A greenhouse support
Patent Information
- Application Number
- CN202522225515.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-21
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-10-21
AI Technical Summary
[0003]大棚支架是通过混凝土基础或地脚螺栓与地面刚性连接，从而以提高大棚的固定强度，但是在实际应用过程中，由于大棚支架固定安装在地面上，进而在遇到强风时，则无法通过降低高度而减少迎风面积，使得大棚支架承受较大的作用力，从而容易导致大棚支架出现弯曲、断裂等结构损伤，为此，我们提出一种大棚支架
[0011]1、本实用新型通过设置多根带有伸缩部的拱形立杆以及配备旋转式套筒和驱动机构的固定立杆，实现了大棚支架高度的灵活调整，在遇到强风、雨雪等恶劣天气时，可通过操作驱动机构使旋转式套筒转动，进而使伸缩部从环形卡接槽体转换至倾斜槽体接触，降低拱形立杆的高度，有效减少迎风面积或便于清除棚膜上的积雪、冰凌，增强了大棚的抗灾能力和使用便利性；
Smart Images
Figure CN224734339U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural equipment technology, specifically a greenhouse support frame. Background Technology
[0002] As the core load-bearing structure of facility agriculture, the greenhouse frame is mainly assembled from metal components such as uprights. Common types include truss-type steel frames and assembled galvanized steel pipe structures. Taking the truss-type steel frame greenhouse as an example, its arch rods are made of round steel or steel pipes with a diameter of 16-25 mm. They are welded into an arc-shaped plane truss by upper chord, lower chord and web members. The film is fixed with iron wire pressing line to achieve the heat preservation effect.
[0003] Greenhouse supports are rigidly connected to the ground via concrete foundations or anchor bolts to improve the stability of the greenhouse. However, in practical applications, because the greenhouse supports are fixed to the ground, they cannot reduce the windward area by lowering their height when encountering strong winds. This causes the greenhouse supports to bear greater forces, which can easily lead to structural damage such as bending and breakage. Therefore, we propose a new type of greenhouse support. Utility Model Content
[0004] The purpose of this utility model is to provide a greenhouse support frame to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes multiple arched uprights, with fixed uprights symmetrically arranged below each arched upright. The two ends of each arched upright correspond one-to-one with the fixed uprights, and the ends of the arched uprights are located inside the fixed uprights. Telescopic parts are symmetrically installed at the ends of the arched uprights. A rotating sleeve is rotatably connected to the end of each fixed upright. The inner wall of the rotating sleeve has two annular locking grooves that are in contact with the telescopic parts. An inclined groove is also provided between the annular locking grooves. A driving mechanism for driving the rotating sleeve to rotate is also provided on the fixed upright.
[0006] Preferably, the driving mechanism includes a rotating shaft mounted on a fixed pole, and a meshing gear is fixedly mounted on one end of the rotating shaft, wherein a gear body is fixedly mounted on the rotating sleeve, and the meshing gear and the gear body are in a meshing state.
[0007] Preferably, a torsion spring is connected between the rotating shaft and the fixed upright, and a knob is also installed at the end of the rotating shaft away from the meshing gear. The knob is slidably connected to the rotating shaft, and a spring is also connected between the knob and the rotating shaft.
[0008] Preferably, the fixed pole is also provided with a slot, wherein a snap-fit rod bracket is fixedly installed on the knob, and when the knob is not moving on the rotating shaft, the end of the snap-fit rod bracket is located in the slot.
[0009] Preferably, the radius and number of teeth of the meshing gear are both smaller than the gear body.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] 1. This utility model achieves flexible adjustment of the height of the greenhouse support by setting multiple arched uprights with telescopic parts and fixed uprights equipped with rotating sleeves and drive mechanisms. In the event of strong winds, rain, snow and other severe weather, the rotating sleeve can be rotated by operating the drive mechanism, thereby changing the contact of the telescopic part from the annular snap-fit groove to the inclined groove, reducing the height of the arched uprights, effectively reducing the windward area or facilitating the removal of snow and ice from the greenhouse film, thus enhancing the greenhouse's disaster resistance and ease of use.
[0012] 2. This utility model achieves precise control and stable fixation of the rotary sleeve by setting a drive mechanism on the fixed pole. The sliding connection between the knob and the rotating shaft and the spring design make the operation simpler and safer, and improve the overall structural strength and safety of the greenhouse. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the arched upright and fixed upright structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the internal structure of the fixed upright of this utility model;
[0016] Figure 4 This is a schematic diagram of the telescopic part of this utility model located at the inclined groove.
[0017] Figure 5 This is a schematic diagram of the rotary sleeve structure of this utility model.
[0018] In the diagram: 1. Arched upright; 2. Fixed upright; 21. Slot; 3. Telescopic part; 4. Rotary sleeve; 41. Annular snap-fit groove; 42. Inclined groove; 43. Gear body; 5. Drive mechanism; 51. Shaft; 52. Meshing gear; 53. Torsion spring; 54. Knob; 55. Spring; 56. Snap-fit rod frame; 6. I-beam; 7. Diagonal bracing mechanism; 71. Metal slider; 72. Hinge rod; 8. Steel pipe. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1-5 This utility model provides a technical solution: a greenhouse support frame, including multiple arched uprights 1, with fixed uprights 2 symmetrically arranged below each arched upright 1. To improve the fixing strength, the fixed uprights 2 can be connected to the ground via I-beams 6. The fixed uprights 2 can be fixed to the I-beams 6 with bolts. A diagonal bracing mechanism 7 is provided between the arched uprights 1 and the I-beams 6, specifically including a metal slider 71 installed on the I-beams 6 and capable of sliding at an upper limit on the I-beams 6. The metal slider 71 is connected to the arched uprights 1 via a hinge rod 72, that is, one end of the hinge rod 72 is rotatably connected to the arched uprights 1, and the other end is rotatably connected to the metal slider 71. Further, the multiple arched uprights 1 are connected by steel pipes 8.
[0021] Combined with appendix Figure 1 As shown, the two ends of the arched upright 1 correspond one-to-one with the fixed upright 2, and the ends of the arched upright 1 are located inside the fixed upright 2. For ease of description, this utility model is described using a single arched upright 1 and its corresponding two fixed uprights 2. A telescopic part 3 is symmetrically installed at the end of the arched upright 1. The telescopic part 3 can be fixed inside the arched upright 1 with bolts. A rotating sleeve 4 is installed at the end of the fixed upright 2 and is rotatably connected to it. The inner wall of the rotating sleeve 4 is provided with two annular locking grooves 41 that are in contact with the telescopic part 3. An inclined groove 42 is also provided between the annular locking grooves 41, wherein the inclined groove 42 and the annular locking grooves 41 are on the same horizontal plane. (See attached diagram.) Figure 3 Appendix Figure 4 and attached Figure 5 As shown, in the initial state, i.e., when the arched upright 1 is at its normal height, the telescopic part 3 and the annular snap-fit groove 41 are in contact. The fixed upright 2 is also equipped with a drive mechanism 5 for driving the rotating sleeve 4 to rotate. When encountering strong winds, it is necessary to reduce the height of the arched upright 1. The drive mechanism 5 is used to drive the sleeve to rotate, thereby causing the annular snap-fit groove 41 to leave the telescopic part 3, i.e., the inclined groove 42 is in contact with the telescopic part 3.
[0022] Furthermore, as a further limitation of this utility model, the drive mechanism 5 includes a rotating shaft 51 mounted on the fixed upright 2. The rotating shaft 51 is rotatably connected to the fixed upright 2, and a meshing gear 52 is fixedly mounted on one end of the rotating shaft 51. A gear body 43 is fixedly mounted on the rotary sleeve 4, and the meshing gear 52 and the gear body 43 are in a meshing state. The radius and number of teeth of the meshing gear 52 are both smaller than those of the gear body 43. In this utility model, the meshing gear 52 rotates one revolution. The gear body 43 rotates 90°. A torsion spring 53 is connected between the rotating shaft 51 and the fixed column 2. A knob 54 is installed at the end of the rotating shaft 51 away from the meshing gear 52. The knob 54 is slidably connected to the rotating shaft 51. A spring 55 is also connected between the knob 54 and the rotating shaft 51. A slot 21 is provided on the fixed column 2. A locking rod bracket 56 is fixedly installed on the knob 54. When the knob 54 does not move on the rotating shaft 51, the end of the locking rod bracket 56 is located in the slot 21.
[0023] Specifically, during implementation, if strong winds occur, the height of the greenhouse needs to be adjusted. First, the worker pulls down knob 54, causing it to move downwards on the rotating shaft 51. During this movement, spring 55 is stretched. Knob 54 descends until the locking rod 56 disengages from the slot 21. Then, knob 54 is rotated, controlling the rotating shaft 51 to rotate. The meshing gear 52 at the end of the rotating shaft 51 engages with the gear body 43, causing the gear body 43 to drive the rotating sleeve 4 to rotate. When the knob 54 is turned one revolution, the locking rod 56 returns to the bottom of the locking slot 21. Then, the knob 54 is raised, causing the locking rod 56 to enter the locking slot 21 and be fixed. During the rotation of the shaft 51, the torsion spring 53 between the shaft 51 and the fixed upright 2 is in a deformation and storage state. The meshing gear 52, which rotates one revolution, will cause the gear body 43 to rotate 90°. The gear body 43 will drive the rotating sleeve 4 to rotate, and the annular locking groove 41 that was originally in contact with the telescopic part 3 will change to the inclined groove 42. When the telescopic part 3 contacts, the limiting mechanism of the telescopic part 3 engages, allowing the arched upright 1 to descend. However, due to the resistance provided by the inclined groove 42 to the telescopic part 3, and the fact that the metal slider 71 is connected to the arched upright 1 via the hinge rod 72, the friction between the metal slider 71 and the I-beam 6 also hinders the descent of the arched upright 1. Under normal circumstances, the arched upright 1 will not descend without external force. This design is mainly to control the synchronous descent of all the arched uprights 1. Specifically, if the arched uprights 1 descend sequentially... If the greenhouse film fixed on the arched uprights 1 is lowered, it will be subjected to a pulling force, which may easily damage the film. Then, when all the telescopic parts 3 on the arched uprights 1 are in contact with the inclined groove 42, several workers will apply force to the steel pipe 8 together, so that the arched uprights 1 will move downward. That is, the telescopic parts 3 will move downward along the trajectory of the inclined groove 42 until the telescopic parts 3 enter the interior of the fixed uprights 2. During the descent of the arched uprights 1, the metal slider 71 slides inside the I-beam 6 under the action of the hinge rod 72.
[0024] Furthermore, in conjunction with the appendix Figure 4As shown, when the telescopic part 3 enters the fixed upright 2, the telescopic part 3 will further retract. Then, when the arched upright 1 needs to be reset, first pull down the knob 54 to disengage the locking rod bracket 56 from the locking groove 21. Then, under the action of the torsion spring 53, it rotates in the opposite direction until the locking rod bracket 56 returns to the locking groove 21. During this process, the meshing gear 52 meshes with the gear body, causing the rotating sleeve 4 to rotate in the opposite direction, thereby returning the annular locking groove 41 to its initial position. When all the rotating sleeves 4 have returned to their initial state, the worker pulls up the steel pipe 8, causing the arched upright 1 to... The upward movement involves the telescopic part 3 entering the rotating sleeve 4 and eventually moving to the annular locking groove 41. The telescopic part 3 then resets and contacts the annular locking groove 41, thereby achieving the purpose of fixing the arched upright 1. It should be noted that during the upward pulling process, since the metal slider 71 is slidably connected to the I-beam 6, the metal slider 71 will move laterally within the I-beam 6. This invention can effectively change the height of the greenhouse, reducing the height during strong winds and rainy or snowy weather to facilitate the removal of ice and snow from the greenhouse film by workers.
[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A greenhouse support frame, characterized in that, The device includes multiple arched uprights (1), with fixed uprights (2) symmetrically arranged below each arched upright (1). The two ends of the arched uprights (1) correspond one-to-one with the fixed uprights (2), and the ends of the arched uprights (1) are located inside the fixed uprights (2). The ends of the arched uprights (1) are symmetrically equipped with telescopic parts (3), and the ends of the fixed uprights (2) are equipped with rotating sleeves (4) that are rotatably connected to them. The inner wall of the rotating sleeves (4) is provided with two annular snap-fit grooves (41) that are in contact with the telescopic parts (3). An inclined groove (42) is also provided between the annular snap-fit grooves (41). The fixed uprights (2) are also equipped with a drive mechanism (5) for driving the rotating sleeves (4) to rotate.
2. A greenhouse support frame according to claim 1, characterized in that: The drive mechanism (5) includes a rotating shaft (51) mounted on a fixed pole (2), and a meshing gear (52) is fixedly mounted on one end of the rotating shaft (51). A gear body (43) is fixedly mounted on the rotating sleeve (4), and the meshing gear (52) and the gear body (43) are in a meshing state.
3. A greenhouse support frame according to claim 2, characterized in that: A torsion spring (53) is connected between the rotating shaft (51) and the fixed pole (2), and a knob (54) is also installed at the end of the rotating shaft (51) away from the meshing gear (52). The knob (54) is slidably connected to the rotating shaft (51), and a spring (55) is also connected between the knob (54) and the rotating shaft (51).
4. A greenhouse support frame according to claim 3, characterized in that: The fixed pole (2) is also provided with a slot (21), wherein a snap-fit rod bracket (56) is fixedly installed on the knob (54). When the knob (54) is not moving on the rotating shaft (51), the end of the snap-fit rod bracket (56) is located in the slot (21).
5. A greenhouse support frame according to claim 2, characterized in that: The radius and number of teeth of the meshing gear (52) are both smaller than those of the gear body (43).