Fast folding anti-inclination support for portal frame

Abstract

The utility model relates to the technical field of gate-type frames, in particular to a gate-type frame quick folding anti-inclination support which is characterized in that a placement through hole is formed in the side face of a gate-type frame body, a placement groove is formed in the end face of the placement through hole, a limiting rod is arranged in the placement groove, a containing groove is formed in the end face of a bottom plate, a lifting rod is arranged in the containing groove, and a bearing is arranged on the end face of the bottom plate. Limiting nuts are arranged on the surfaces of the bearings; the door-type frame has the beneficial effects that when the door-type frame main body is used for working, firstly, the limiting rod can be pulled to lose the fixing effect on the bottom plate, so that the bottom plate can be rotated out of the door-type frame main body, and then the lifting rod can be rotated to extend out; when the lifting rod extends to a proper position, the two side faces of the portal frame main body can be supported by means of the matching effect of the lifting rod and the bottom plate, the problem that the portal frame main body inclines in use is avoided, and when the portal frame is not used, the bottom plate can be stored in the portal frame main body, so that convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of portal frames, in particular to a quick-folding anti-tilt support for a portal frame. Background Art

[0002] Portal scaffolding, also known as scaffolding or gantry, is the most widely used type of scaffolding in construction. The widespread use of portal frames in construction projects has provided great convenience for indoor and outdoor construction of construction projects.

[0003] In the prior art, when decorating indoors or outdoors, a gantry is often used to facilitate workers to trim and decorate the surface of a building wall.

[0004] However, for the sake of safety, a traditional gantry frame requires another worker to support it on the side of the gantry frame when in use, so as to prevent the gantry frame from tilting due to the worker walking on the surface of the gantry frame when in use. This is not only troublesome but also increases the workload of the workers. Therefore, the utility model proposes a gantry frame quick-folding anti-tilt support to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a quick-folding anti-tilt support for a portal frame to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a gantry frame quick folding anti-tilt support, the gantry frame quick folding anti-tilt support comprising: a gantry frame body, a placement through hole is opened on the side of the gantry frame body, a placement groove is opened on the end surface of the placement through hole, and a limit rod is arranged in the placement groove;

[0007] The bottom plate has a receiving groove on its end surface, a lifting rod is arranged in the receiving groove, a bearing is arranged on the end surface of the bottom plate, and a limiting nut is arranged on the surface of the bearing.

[0008] Preferably, a support rod is provided on the side of the placement through hole, and the bottom plate is sleeved on the support rod. The bottom plate can rotate around the support rod, and a limiting groove is provided on the end surface of the bottom plate.

[0009] Preferably, a spring is arranged in the placement groove, one end of the spring is fixedly connected to the end face of the placement groove, and the other end of the spring is fixedly connected to the end face of the limiting rod, and one end of the limiting rod can be inserted into the limiting groove.

[0010] Preferably, a traction spring is provided on the end face of the lifting rod, one end of the traction spring is fixedly connected to the end face of the storage groove, and the other end of the traction spring is fixedly connected to the end face of the lifting rod. A thread is provided on the surface of the lifting rod, and the limit nut can be screwed on the thread provided on the surface of the lifting rod.

[0011] Preferably, one end of the lifting rod is sleeved on the positioning tube, a base is provided on the end face of the positioning tube, a support shaft is inserted into the base, a vertical plate is sleeved on the surface of the support shaft, a damping plate is provided at the bottom of the vertical plate, and the base can rotate around the support shaft.

[0012] Preferably, the bearing is fixedly connected to the end surface of the base plate, and the lifting rod can be extended from the base plate by rotating the limit nut.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a quick-folding anti-tilt support for a gantry frame. When the gantry frame body is used for work, the limit rod can be pulled first to make the limit rod lose its fixing effect on the bottom plate, so that the bottom plate can be rotated out of the gantry frame body, and then the lifting rod can be rotated to extend the lifting rod. After the lifting rod is extended to a suitable position, the two side surfaces of the gantry frame body can be supported by the cooperation of the lifting rod and the bottom plate, so that the gantry frame body can be prevented from tilting during use. When not in use, the bottom plate can be conveniently stored inside the gantry frame body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when the structure is tilted;

[0017] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 It is a partial cross-sectional view of the structure of the utility model;

[0019] Figure 5 for Figure 4 The enlarged structural diagram at B in the middle;

[0020] Figure 6 for Figure 4 Enlarged structural diagram at point C in the middle.

[0021] In the figure: 1. gantry main body; 2. placement through hole; 3. placement slot; 4. limit rod; 5. bottom plate; 6. storage slot; 7. lifting rod; 8. bearing; 9. limit nut; 10. support rod; 11. limit slot; 12. traction spring; 13. positioning tube; 14. base; 15. support shaft; 16. vertical plate; 17. spring; 18. damping plate. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0026] Embodiment 1

[0027] See also Figures 1 to 6The utility model provides a technical solution: a gantry frame fast folding anti-tilt support, the gantry frame fast folding anti-tilt support comprises: a gantry frame body 1, a placement through hole 2 is opened on the side of the gantry frame body 1, a placement groove 3 is opened on the end face of the placement through hole 2, and a limit rod 4 is arranged in the placement groove 3; a bottom plate 5, a receiving groove 6 is opened on the end face of the bottom plate 5, a lifting rod 7 is arranged in the receiving groove 6, a bearing 8 is arranged on the end face of the bottom plate 5, and a limit nut 9 is arranged on the surface of the bearing 8;

[0028] When the gantry body 1 is used for work, the limiting rod 4 can be pulled first to make the limiting rod 4 lose its fixing effect on the bottom plate 5, so that the bottom plate 5 can be rotated out of the gantry body 1, and then the lifting rod 7 can be rotated to extend the lifting rod 7. After the lifting rod 7 is extended to a suitable position, the two side surfaces of the gantry body 1 can be supported with the help of the cooperation of the lifting rod 7 and the bottom plate 5, so as to avoid the problem of the gantry body 1 tilting during use. When not in use, the bottom plate 5 can be stored inside the gantry body 1 for convenience.

[0029] Embodiment 2

[0030] On the basis of the first embodiment, in order to facilitate the support of the side of the portal frame body 1, a bottom plate 5 is provided, and a traction spring 12 is provided on the end surface of the lifting rod 7. One end of the traction spring 12 is fixedly connected to the end surface of the storage groove 6, and the other end of the traction spring 12 is fixedly connected to the end surface of the lifting rod 7. The surface of the lifting rod 7 is provided with a thread, and the limit nut 9 can be screwed on the thread provided on the surface of the lifting rod 7. The bearing 8 is fixedly connected to the end surface of the bottom plate 5, and the lifting rod 7 can be extended from the bottom plate 5 by rotating the limit nut 9;

[0031] When in use, the limit nut 9 can be rotated in conjunction with the bearing 8 to pull the lifting rod 7 out from the base plate 5, and the length of the lifting rod 7 can be adjusted according to the different terrains where the gantry body 1 is placed. When not in use, it is only necessary to continue to rotate the limit nut 9. After the limit nut 9 is rotated out of the thread on the surface of the lifting rod 7, the lifting rod 7 can be stored in the storage groove 6 with the help of the elastic force of the traction spring 12, so there is no need to rotate the limit nut 9 for a long time to make the lifting rod 7 enter the storage groove 6.

[0032] In order to further improve the support of the gantry main body 1, a damping plate 18 is provided, one end of the lifting rod 7 is sleeved on the positioning tube 13, the end surface of the positioning tube 13 is provided with a base 14, a support shaft 15 is inserted into the base 14, a vertical plate 16 is sleeved on the surface of the support shaft 15, a damping plate 18 is provided at the bottom of the vertical plate 16, and the base 14 can rotate around the support shaft 15;

[0033] When in use, after the lifting rod 7 is extended to a suitable length, the positioning tube 13 can be inserted into the end surface of the lifting rod 7, and then it can contact the ground with the help of the damping plate 18. The setting of the damping plate 18 can increase the friction on the smooth ground, avoid sliding problems, and improve the support stability of the gantry body 1.

[0034] Embodiment 3

[0035] On the basis of the second embodiment, in order to facilitate the storage of the bottom plate 5, a limit rod 4 is provided, a support rod 10 is provided on the side of the placement through hole 2, the bottom plate 5 is sleeved on the support rod 10, the bottom plate 5 can rotate around the support rod 10, a limit groove 11 is provided on the end surface of the bottom plate 5, a spring 17 is provided in the placement groove 3, one end of the spring 17 is fixedly connected to the end surface of the placement groove 3, and the other end of the spring 17 is fixedly connected to the end surface of the limit rod 4, and one end of the limit rod 4 can be inserted into the limit groove 11;

[0036] When in use, first pull the limit rod 4 upwards, then rotate the bottom plate 5 so that the bottom plate 5 is stored in the placement hole 2, and then loosen the limit rod 4 and use the elastic force of the spring 17 to reset the limit rod 4, so that one end of the limit rod 4 can be inserted into the limit groove 11, thereby avoiding the problem of the bottom plate 5 shaking in the placement hole 2. The spring 17 also plays a certain limiting role on the limit rod 4.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick folding anti-tilt support for a gantry frame, characterized in that: The portal frame quick folding anti-tilt support comprises: a portal frame body (1), a placement through hole (2) is provided on the side of the portal frame body (1), a placement groove (3) is provided on the end surface of the placement through hole (2), and a limit rod (4) is provided in the placement groove (3); A bottom plate (5), a receiving groove (6) is provided on an end surface of the bottom plate (5), a lifting rod (7) is arranged in the receiving groove (6), a bearing (8) is provided on the end surface of the bottom plate (5), and a limit nut (9) is provided on the surface of the bearing (8); The end surface of the lifting rod (7) is provided with a traction spring (12), one end of the traction spring (12) is fixedly connected to the end surface of the storage groove (6), and the other end of the traction spring (12) is fixedly connected to the end surface of the lifting rod (7). The surface of the lifting rod (7) is provided with a thread, and the limit nut (9) can be screwed onto the thread provided on the surface of the lifting rod (7).

2. The quick-folding anti-tilt support for a gantry frame according to claim 1, characterized in that: A support rod (10) is arranged on the side of the placement through hole (2), and the bottom plate (5) is sleeved on the support rod (10). The bottom plate (5) can rotate around the support rod (10), and a limiting groove (11) is provided on the end surface of the bottom plate (5).

3. The quick-folding anti-tilt support for a gantry frame according to claim 1, characterized in that: A spring (17) is arranged in the placement groove (3), one end of the spring (17) is fixedly connected to the end surface of the placement groove (3), and the other end of the spring (17) is fixedly connected to the end surface of the limiting rod (4), and one end of the limiting rod (4) can be inserted into the limiting groove (11).

4. The quick-folding anti-tilt support for a gantry frame according to claim 1, characterized in that: One end of the lifting rod (7) is sleeved on the positioning tube (13), the end surface of the positioning tube (13) is provided with a base (14), a support shaft (15) is inserted into the base (14), a vertical plate (16) is sleeved on the surface of the support shaft (15), a damping plate (18) is provided at the bottom of the vertical plate (16), and the base (14) can rotate around the support shaft (15).

5. The quick-folding anti-tilt support for a gantry frame according to claim 1, characterized in that: The bearing (8) is fixedly connected to the end surface of the bottom plate (5), and the lifting rod (7) can be extended from the bottom plate (5) by rotating the limit nut (9).

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