Telescopic overhanging horizontal bag net protection device
By designing a retractable cantilevered horizontal net protection device and utilizing the structure of elastic buffer components and telescopic rods, the problem that the existing horizontal safety net is prone to tilting when heavy objects fall is solved, achieving effective buffering and anti-tilting. Security risks are reduced.
Patent Information
- Application Number
- CN202420750126.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing horizontal safety protection net is prone to tilt when heavy objects fall and cannot be effectively buffered, resulting in increased safety risks.
A retractable overhanging horizontal pocket net protection device is designed, which includes a horizontal pocket net, a net frame, a telescopic rod and an elastic buffer component. Through the elastic force of the elastic buffer component and the structure of the telescopic rod, the buffering and anti-tilt of heavy objects are achieved. .
This device can effectively buffer heavy objects after they fall, prevent the grid from tilting, and reduce safety risks. It has an ingenious structural design and is easy to manufacture, making it suitable for large-scale promotion and application.
Smart Images
Figure CN222376077U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to the technical field of safety protection, and specifically refers to a telescopic cantilevered horizontal net protection device. Background Art
[0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc.
[0003] During the construction process, in order to prevent materials from falling from a height and causing harm to surrounding workers, a horizontal safety net is connected to the outside of the scaffolding. The existing horizontal safety net and scaffolding are fixedly connected. When receiving materials falling from a height, concrete slag will inevitably fall when the outer frame protection layer or the operating layer cleans up the garbage. When the material is large, since the horizontal safety net does not have a buffering function and the horizontal safety net is laid flat, it is easy to cause an impact on the horizontal safety net after the heavy object falls, causing it to tilt, causing the material to slip, and there is still a risk of further danger.
[0004] Therefore, it is hoped to provide a horizontal safety protection net with a buffering function, which is not easy to tilt after a heavy object falls, thereby reducing safety risks. Utility Model Content
[0005] In order to overcome the shortcomings of the above-mentioned prior art, one purpose of the utility model is to provide a retractable cantilevered horizontal net protection device, which has a buffering function, is not easy to tilt after heavy objects fall, reduces safety risks, and is suitable for large-scale promotion and application.
[0006] Another object of the utility model is to provide a retractable cantilevered horizontal net protection device, which has a clever design, a simple structure, is easy to manufacture, has a low manufacturing cost, and is suitable for large-scale promotion and application.
[0007] In order to achieve the above purpose, the utility model provides a retractable cantilevered horizontal net protection device, which is characterized by comprising a horizontal net, a net frame, a left telescopic rod, a right telescopic rod, a left elastic buffer component and a right elastic buffer component, wherein:
[0008] The net frame includes a bottom frame, a front side wall and a rear side wall, the bottom frame includes a left longitudinal bar, a right longitudinal bar, a front cross bar, a rear cross bar and an intermediate elastic buffer component, the left longitudinal bar and the right longitudinal bar are both arranged along the front-to-back direction and are spaced apart from each other left and right, the rear end of the left longitudinal bar and the rear end of the right longitudinal bar are respectively used to rotatably connect the scaffolding around the left and right directions, the front cross bar and the rear cross bar are both arranged along the left and right directions and are spaced apart from each other front and back, the front cross bar and the rear cross bar are both located between the left longitudinal bar and the right longitudinal bar and are respectively The left longitudinal rod and the right longitudinal rod are movably connected front and back, the middle elastic buffer component is arranged along the front and back direction and is located between the front cross bar and the rear cross bar and is respectively connected to the front cross bar and the rear cross bar, the number of the middle elastic buffer components is multiple, and the multiple middle elastic buffer components are arranged at intervals from left to right, the front side wall and the rear side wall are both arranged vertically and are both arranged along the left and right direction and are arranged at intervals from front to back, and the front side wall and the rear side wall are respectively arranged on the front cross bar and the rear cross bar;
[0009] The horizontal pocket net is arranged along the left-right direction and is located between the top of the front side wall and the top of the rear side wall, the front side and the rear side of the horizontal pocket net are respectively connected to the top of the front side wall and the top of the rear side wall, and the middle part of the horizontal pocket net is naturally drooped;
[0010] The left telescopic rod and the right telescopic rod are both inclined along the front-to-back direction and spaced apart from each other. The front end of the left telescopic rod is lower than the rear end of the left telescopic rod and is rotatably connected to the front end of the left longitudinal rod around the left-right direction. The front end of the right telescopic rod is lower than the rear end of the right telescopic rod and is rotatably connected to the front end of the right longitudinal rod around the left-right direction. The rear ends of the left telescopic rod and the right telescopic rod are respectively used to be rotatably connected to the scaffold around the left-right direction. The left elastic buffer component is arranged along the inclined direction of the left telescopic rod and is located at the left telescopic rod. In the rod, the front end of the left elastic buffer component is connected to the inner side wall of the left telescopic rod, and the rear end of the left elastic buffer component passes through the end surface of the rear end of the left telescopic rod along the inclination direction of the left telescopic rod and is used to fix the connection with the scaffolding. The right elastic buffer component is arranged along the inclination direction of the right telescopic rod and is located in the right telescopic rod, the front end of the right elastic buffer component is connected to the inner side wall of the right telescopic rod, and the rear end of the right elastic buffer component passes through the end surface of the rear end of the right telescopic rod along the inclination direction of the right telescopic rod and is used to fix the connection with the scaffolding.
[0011] Preferably, the retractable cantilevered horizontal net protection device also includes a lower left hinged support and a lower right hinged support, and the lower left hinged support and the lower right hinged support are spaced apart from each other on the left and right sides, and the rear end of the left longitudinal rod and the rear end of the right longitudinal rod are respectively rotatably connected to the lower left hinged support and the lower right hinged support around the left and right directions, and the lower left hinged support and the lower right hinged support are both used to be installed on the scaffolding.
[0012] Preferably, the retractable cantilevered horizontal net protection device also includes a front left slider, a front right slider, a rear left slider and a rear right slider, the right side of the left longitudinal rod and the left side of the right longitudinal rod are respectively provided with a left slide groove and a right slide groove along the front-to-back direction, the left slide groove and the right slide groove are relatively arranged left and right, the front left slider and the rear left slider are spaced apart from each other front to back and are both movably arranged in the left slide groove along the front-to-back direction, the front right slider and the rear right slider are spaced apart from each other front to back and are both movably arranged in the right slide groove along the front-to-back direction, the front cross bar is located between the front left slider and the front right slider and are respectively connected to the front left slider and the front right slider, and the rear cross bar is located between the rear left slider and the rear right slider and are respectively connected to the rear left slider and the rear right slider.
[0013] Preferably, the intermediate elastic buffer component is a spring.
[0014] Preferably, the retractable cantilevered horizontal net protection device also includes an upper left hinged support and an upper right hinged support, and the upper left hinged support and the upper right hinged support are spaced apart from each other left and right, and the rear end of the left telescopic rod and the rear end of the right telescopic rod are respectively rotatably connected to the upper left hinged support and the upper right hinged support around the left and right directions, and the upper left hinged support and the upper right hinged support are both used to be installed on the scaffolding, and the rear end of the left elastic buffer component is fixedly connected to the upper left hinged support, and the rear end of the right elastic buffer component is fixedly connected to the upper right hinged support.
[0015] Preferably, the left elastic buffer component includes a first left pull rope, a left elastic member and a second left pull rope, the first left pull rope, the left elastic member and the second left pull rope are all arranged along the inclination direction of the left telescopic rod, the front end of the first left pull rope is connected to the rear end of the left elastic member, the front end of the left elastic member is connected to the rear end of the second left pull rope, the front end of the second left pull rope is the front end of the left elastic buffer component, and the rear end of the first left pull rope is the rear end of the left elastic buffer component.
[0016] More preferably, the first left pull rope and the second left pull rope are both steel wire ropes, and the left elastic member is a spring.
[0017] Preferably, the right elastic buffer component includes a first right pull rope, a right elastic member and a second right pull rope, the first right pull rope, the right elastic member and the second right pull rope are all arranged along the inclination direction of the right telescopic rod, the front end of the first right pull rope is connected to the rear end of the right elastic member, the front end of the right elastic member is connected to the rear end of the second right pull rope, the front end of the second right pull rope is the front end of the right elastic buffer component, and the rear end of the first right pull rope is the rear end of the right elastic buffer component.
[0018] More preferably, the first right pull rope and the second right pull rope are both steel wire ropes, and the right elastic member is a spring.
[0019] Preferably, the retractable cantilevered horizontal net protection device also includes a left support rod and a right support rod, and the left support rod and the right support rod are both inclined along the front-to-back direction, the front end of the left support rod is higher than the rear end of the left support rod and connected to the front end of the left longitudinal rod, the front end of the right support rod is higher than the rear end of the right support rod and connected to the front end of the right longitudinal rod, and the rear ends of the left support rod and the right support rod are both used to fix the scaffolding.
[0020] The beneficial effects of the utility model are mainly:
[0021] 1. When the retractable cantilever horizontal net protection device of the utility model is used, the horizontal net is used to catch the materials dropped from a high place. The materials dropped from a high place will cause the middle part of the horizontal net to fall, pulling the front side wall and the rear side wall together front and back, and then pulling the front cross bar and the rear cross bar together front and back, and buffering is performed by the elastic force of the middle elastic buffer component. The existence of the middle elastic buffer component will stretch the front cross bar and the rear cross bar as much as possible, and then stretch the front side wall and the rear side wall as much as possible, and finally stretch the horizontal net as much as possible, and try to prevent the middle part of the horizontal net from falling. While buffering, the protection surface of the horizontal net is as large as possible. The mesh frame can be greatly improved in performance; in addition, materials dropped from a height can also pass through the horizontal net to make the front part of the mesh frame rotate downward around the left and right directions with the rear ends of the left and right longitudinal rods as fulcrums, thereby stretching the left and right telescopic rods and the left and right elastic buffer components, and then buffering is performed through the tension of the left and right elastic buffer components, preventing the front part of the mesh frame from rotating downward around the left and right directions with the rear ends of the left and right longitudinal rods as fulcrums. Therefore, it has a buffering function, is not easy to tilt after heavy objects fall, reduces safety risks, and is suitable for large-scale promotion and application.
[0022] 2. When the retractable cantilevered horizontal net protection device of the utility model is used, the horizontal net is used to catch materials falling from a high place. The materials falling from a high place will cause the middle part of the horizontal net to fall, pulling the front side wall and the rear side wall together front and back, and then pulling the front cross bar and the rear cross bar together front and back, and buffering is performed by the elastic force of the middle elastic buffer component. The existence of the middle elastic buffer component will stretch the front cross bar and the rear cross bar as much as possible, and then stretch the front side wall and the rear side wall as much as possible, and finally stretch the horizontal net as much as possible, and try to prevent the middle part of the horizontal net from falling. While buffering, the horizontal net protection The surface is as large as possible; in addition, materials dropped from a height can also pass through the horizontal net to make the front part of the net frame rotate downward around the left and right directions with the rear ends of the left longitudinal rod and the right longitudinal rod as fulcrums, thereby stretching the left telescopic rod and the right telescopic rod as well as the left elastic buffer component and the right elastic buffer component, and then buffering is performed through the tension of the left elastic buffer component and the tension of the right elastic buffer component, preventing the front part of the net frame from rotating downward around the left and right directions with the rear ends of the left longitudinal rod and the right longitudinal rod as fulcrums. Therefore, it has ingenious design, simple structure, simple manufacturing, low manufacturing cost, and is suitable for large-scale promotion and application.
[0023] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The utility model is a partial perspective diagram of a left view of a specific embodiment of the telescopic cantilevered horizontal net protection device.
[0025] Figure 2 yes Figure 1 A partial enlarged schematic diagram of the structure shown.
[0026] Figure 3 yes Figure 1 A partial perspective schematic diagram of a right side view of the specific embodiment shown.
[0027] Figure 4 yes Figure 3 A partial enlarged schematic diagram of the structure shown.
[0028] Figure 5 yes Figure 1 The illustrated embodiment is a partial perspective diagram of a left side view of an assembly of a net frame and a horizontal net.
[0029] Figure 6 yes Figure 1 The schematic diagram of the right side partial perspective view of the assembly of the net frame and the horizontal net of the specific embodiment shown.
[0030] Figure 7 yes Figure 1A left schematic view of the middle elastic buffer component of the specific embodiment shown.
[0031] Figure 8 Yes Figure 1 The embodiment shown is a left side schematic diagram mounted on a scaffold.
[0032] (Explanation of symbols)
[0033] 1 horizontal net; 2 net frame; 3 left telescopic rod; 4 right telescopic rod; 5 left elastic buffer component; 6 right elastic buffer component; 7 bottom frame; 8 front side wall; 9 rear side wall; 10 left longitudinal rod; 11 right longitudinal rod; 12 middle elastic buffer component; 13 lower left hinged support; 14 lower right hinged support; 15 front left slider; 16 front right slider; 17 rear left slider; 18 rear right slider; 19 upper left hinged support; 20 upper right hinged support; 21 first left pull rope; 22 left elastic component; 23 second left pull rope; 24 first right pull rope; 25 right elastic component; 26 second right pull rope; 27 left support rod; 28 right support rod; 29 scaffold. DETAILED DESCRIPTION
[0034] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.
[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0036] See also Figure 1 to Figure 7 As shown, in a specific embodiment of the utility model, the telescopic cantilevered horizontal net protection device of the utility model comprises a horizontal net 1, a net frame 2, a left telescopic rod 3, a right telescopic rod 4, a left elastic buffer component 5 and a right elastic buffer component 6, wherein:
[0037] The net frame 2 includes a bottom frame 7, a front side wall 8 and a rear side wall 9. The bottom frame 7 includes a left longitudinal rod 10, a right longitudinal rod 11, a front cross bar (not shown in the figure), a rear cross bar (not shown in the figure) and an intermediate elastic buffer component 12. The left longitudinal rod 10 and the right longitudinal rod 11 are both arranged along the front-to-back direction and spaced apart from each other on the left and right sides. The rear ends of the left longitudinal rod 10 and the rear ends of the right longitudinal rod 11 are respectively used to be rotatably connected to the scaffold 29 in the left and right directions (see Figure 8), the front cross bar and the rear cross bar are both arranged along the left-right direction and spaced apart from each other front to back, the front cross bar and the rear cross bar are both located between the left longitudinal bar 10 and the right longitudinal bar 11 and are both movably connected to the left longitudinal bar 10 and the right longitudinal bar 11 front to back, the intermediate elastic buffer component 12 is arranged along the front-to-back direction and is located between the front cross bar and the rear cross bar and is respectively connected to the front cross bar and the rear cross bar, the number of the intermediate elastic buffer components 12 is multiple, and the multiple intermediate elastic buffer components 12 are spaced apart from each other left to right, the front side wall 8 and the rear side wall 9 are both vertically arranged and are both arranged along the left-to-right direction and spaced apart from each other front to back, and the front side wall 8 and the rear side wall 9 are respectively arranged on the front cross bar and the rear cross bar;
[0038] The horizontal net 1 is arranged along the left-right direction and is located between the top of the front side wall 8 and the top of the rear side wall 9. The front side and the rear side of the horizontal net 1 are respectively connected to the top of the front side wall 8 and the top of the rear side wall 9. The middle part of the horizontal net 1 is naturally drooped.
[0039] The left telescopic rod 3 and the right telescopic rod 4 are both inclined along the front-to-back direction and spaced apart from each other. The front end of the left telescopic rod 3 is lower than the rear end of the left telescopic rod 3 and is rotatably connected to the front end of the left longitudinal rod 10 around the left-right direction. The front end of the right telescopic rod 4 is lower than the rear end of the right telescopic rod 4 and is rotatably connected to the front end of the right longitudinal rod 11 around the left-right direction. The rear ends of the left telescopic rod 3 and the right telescopic rod 4 are respectively used to be rotatably connected to the scaffold 29 around the left-right direction. The left elastic buffer component 5 is arranged along the inclined direction of the left telescopic rod 3 and is located at the left telescopic rod 3, the front end of the left elastic buffer component 5 is connected to the inner wall of the left telescopic rod 3, the rear end of the left elastic buffer component 5 is penetrated through the end face of the rear end of the left telescopic rod 3 along the tilting direction of the left telescopic rod 3 and is used to be fixedly connected to the scaffolding 29, the right elastic buffer component 6 is arranged along the tilting direction of the right telescopic rod 4 and is located in the right telescopic rod 4, the front end of the right elastic buffer component 6 is connected to the inner wall of the right telescopic rod 4, the rear end of the right elastic buffer component 6 is penetrated through the end face of the rear end of the right telescopic rod 4 along the tilting direction of the right telescopic rod 4 and is used to be fixedly connected to the scaffolding 29.
[0040] The rear end of the left longitudinal rod 10 and the rear end of the right longitudinal rod 11 are used to connect the scaffold 29 rotatably around the left and right directions, and any suitable structure can be adopted. Figure 1 and Figure 3As shown, in a specific embodiment of the utility model, the retractable cantilevered horizontal net protection device also includes a lower left hinged support 13 and a lower right hinged support 14, and the lower left hinged support 13 and the lower right hinged support 14 are arranged to be spaced apart from each other on the left and right sides, and the rear end of the left longitudinal rod 10 and the rear end of the right longitudinal rod 11 are respectively rotatably connected to the lower left hinged support 13 and the lower right hinged support 14 around the left and right directions, and the lower left hinged support 13 and the lower right hinged support 14 are both used to be installed on the scaffolding 29.
[0041] The front cross bar and the rear cross bar are both located between the left longitudinal bar 10 and the right longitudinal bar 11 and are respectively movably connected to the left longitudinal bar 10 and the right longitudinal bar 11. Any suitable structure may be adopted. Figure 1 , Figure 3 and Figure 5-6 As shown, in a specific embodiment of the utility model, the retractable cantilevered horizontal net protection device also includes a front left slider 15, a front right slider 16, a rear left slider 17 and a rear right slider 18, and the right side of the left longitudinal rod 10 and the left side of the right longitudinal rod 11 are respectively provided with a left slide groove (not shown in the figure) and a right slide groove (not shown in the figure) along the front-to-back direction, and the left slide groove and the right slide groove are relatively arranged left and right, the front left slider 15 and the rear left slider 17 are arranged at intervals from each other front to back and are both movably arranged in the left slide groove along the front-to-back direction, the front right slider 16 and the rear right slider 18 are arranged at intervals from each other front to back and are both movably arranged in the right slide groove along the front-to-back direction, the front cross bar is located between the front left slider 15 and the front right slider 16 and are respectively connected to the front left slider 15 and the front right slider 16, and the rear cross bar is located between the rear left slider 17 and the rear right slider 18 and are respectively connected to the rear left slider 17 and the rear right slider 18.
[0042] The number of the intermediate elastic buffer components 12 can be determined as needed. The above-mentioned “plurality” refers to more than 2. In a specific embodiment of the present invention, the number of the intermediate elastic buffer components 12 is 20.
[0043] The intermediate elastic buffer component 12 can be any suitable elastic buffer component, see Figure 7 As shown, in a specific embodiment of the present invention, the middle elastic buffer component 12 is a spring.
[0044] The rear ends of the left telescopic rod 3 and the right telescopic rod 4 are respectively used to be rotatably connected to the scaffold 29 around the left and right directions, the rear end of the left elastic buffer component 5 is used to be fixedly connected to the scaffold 29, and the rear end of the right elastic buffer component 6 is used to be fixedly connected to the scaffold 29. Any suitable structure can be adopted, see Figure 1 and Figure 3 As shown, in a specific embodiment of the utility model, the retractable cantilevered horizontal net protection device also includes an upper left hinged support 19 and an upper right hinged support 20, and the upper left hinged support 19 and the upper right hinged support 20 are arranged at intervals from each other on the left and right sides, and the rear end of the left telescopic rod 3 and the rear end of the right telescopic rod 4 are respectively rotatably connected to the upper left hinged support 19 and the upper right hinged support 20 around the left and right directions, and the upper left hinged support 19 and the upper right hinged support 20 are both used to be installed on the scaffolding 29, and the rear end of the left elastic buffer component 5 is fixedly connected to the upper left hinged support 19, and the rear end of the right elastic buffer component 6 is fixedly connected to the upper right hinged support 20.
[0045] The left elastic buffer component 5 can have any suitable structure, see Figure 2 As shown, in a specific embodiment of the utility model, the left elastic buffer component 5 includes a first left pull rope 21, a left elastic member 22 and a second left pull rope 23. The first left pull rope 21, the left elastic member 22 and the second left pull rope 23 are all arranged along the inclined direction of the left telescopic rod 3. The front end of the first left pull rope 21 is connected to the rear end of the left elastic member 22, the front end of the left elastic member 22 is connected to the rear end of the second left pull rope 23, the front end of the second left pull rope 23 is the front end of the left elastic buffer component 5, and the rear end of the first left pull rope 21 is the rear end of the left elastic buffer component 5.
[0046] The first left pull rope 21 and the second left pull rope 23 can be any suitable pull ropes, and the left elastic member 22 can be any suitable elastic member. In a specific embodiment of the present utility model, the first left pull rope 21 and the second left pull rope 23 are both steel ropes, and the left elastic member 22 is a spring.
[0047] The right elastic buffer component 6 can have any suitable structure, see Figure 4 As shown, in a specific embodiment of the utility model, the right elastic buffer component 6 includes a first right pull rope 24, a right elastic member 25 and a second right pull rope 26, the first right pull rope 24, the right elastic member 25 and the second right pull rope 26 are all arranged along the inclined direction of the right telescopic rod 4, the front end of the first right pull rope 24 is connected to the rear end of the right elastic member 25, the front end of the right elastic member 25 is connected to the rear end of the second right pull rope 26, the front end of the second right pull rope 26 is the front end of the right elastic buffer component 6, and the rear end of the first right pull rope 24 is the rear end of the right elastic buffer component 6.
[0048] The first right pull rope 24 and the second right pull rope 26 can be any suitable pull ropes, and the right elastic member 25 can be any suitable elastic member. In a specific embodiment of the present utility model, the first right pull rope 24 and the second right pull rope 26 are both steel wire ropes, and the right elastic member 25 is a spring.
[0049] The retractable cantilevered horizontal net protection device may also include any other suitable components, see Figure 1 and Figure 3 As shown, in a specific embodiment of the utility model, the retractable cantilevered horizontal net protection device also includes a left support rod 27 and a right support rod 28, and the left support rod 27 and the right support rod 28 are both inclined along the front and rear directions, the front end of the left support rod 27 is higher than the rear end of the left support rod 27 and is connected to the front end of the left longitudinal rod 10, the front end of the right support rod 28 is higher than the rear end of the right support rod 28 and is connected to the front end of the right longitudinal rod 11, and the rear ends of the left support rod 27 and the right support rod 28 are both used to fix the scaffolding 29.
[0050] During installation, taking the example of setting the present invention before a scaffolding 29 which is arranged vertically and along the left and right directions, the rear ends of the left longitudinal rod 10 and the right longitudinal rod 11 are respectively connected to the scaffolding 29 rotatably around the left and right directions, the rear ends of the left telescopic rod 3 and the right telescopic rod 4 are respectively connected to the scaffolding 29 rotatably around the left and right directions, the rear end of the left elastic buffer component 5 is fixedly connected to the scaffolding 29, the rear end of the right elastic buffer component 6 is fixedly connected to the scaffolding 29, the rear ends of the left support rod 27 and the rear ends of the right support rod 28 are fixedly connected to the scaffolding 29 (when the left support rod 27 and the right support rod 28 exist), the left support rod 27, the left longitudinal rod 10 and the scaffolding 29 form a triangle, the right support rod 28, the right longitudinal rod 11 and the scaffolding 29 also form a triangle, thereby increasing stability. In the case where the telescopic cantilever horizontal net protection device further includes a lower left hinged support 13 and a lower right hinged support 14 and the telescopic cantilever horizontal net protection device further includes an upper left hinged support 19 and an upper right hinged support 20, the lower left hinged support 13, the lower right hinged support 14, the upper left hinged support 19 and the upper right hinged support 20 are all installed on the scaffold 29. As a preferred installation method, the front side of the bottom frame 7 of the net frame 2 is installed slightly higher than the rear side, such as Figure 8 shown.
[0051] When in use, the horizontal bag net 1 is used to catch materials dropped from a height. The materials dropped from a height will cause the middle part of the horizontal bag net 1 to fall, pulling the front side wall 8 and the rear side wall 9 together front and back, and then pulling the front cross bar and the rear cross bar together front and back, and buffering is performed by the elastic force of the middle elastic buffer component 12. The existence of the middle elastic buffer component 12 will stretch the front cross bar and the rear cross bar as much as possible, and then stretch the front side wall 8 and the rear side wall 9 as much as possible, and finally stretch the horizontal bag net 1 as much as possible, and try to prevent the middle part of the horizontal bag net 1 from falling, while buffering The protection surface of the net 1 is as large as possible; in addition, materials dropped from a height can also pass through the horizontal net 1 so that the front part of the net frame 2 rotates downward in the left and right directions with the rear ends of the left longitudinal rod 10 and the right longitudinal rod 11 as fulcrums, thereby stretching the left telescopic rod 3 and the right telescopic rod 4 as well as the left elastic buffer component 5 and the right elastic buffer component 6, and then buffering is performed through the tension of the left elastic buffer component 5 and the tension of the right elastic buffer component 6, preventing the front part of the net frame 2 from rotating downward in the left and right directions with the rear ends of the left longitudinal rod 10 and the right longitudinal rod 11 as fulcrums.
[0052] Therefore, the utility model provides a retractable cantilevered horizontal net protection device, which is easy to install and disassemble, simple to use, saves costs, and reduces safety risks to avoid the risks of falling objects causing object strikes, and people falling from heights when working on scaffolding or floors.
[0053] In summary, the retractable cantilevered horizontal net protection device of the utility model has a buffering function, is not easy to tilt after a heavy object falls, reduces safety risks, has a clever design, a simple structure, is easy to manufacture, has a low manufacturing cost, and is suitable for large-scale promotion and application.
[0054] It can be seen that the purpose of the utility model has been completely and effectively achieved. The function and structural principle of the utility model have been demonstrated and explained in the embodiments. Without departing from the principles, the implementation methods can be modified arbitrarily. Therefore, the utility model includes all modified implementation methods based on the spirit and scope of the claims.
Claims
1. A retractable cantilevered horizontal net protection device, characterized in that: It includes a horizontal pocket net, a net frame, a left telescopic rod, a right telescopic rod, a left elastic buffer component and a right elastic buffer component, wherein: The net frame includes a bottom frame, a front side wall and a rear side wall, the bottom frame includes a left longitudinal bar, a right longitudinal bar, a front cross bar, a rear cross bar and an intermediate elastic buffer component, the left longitudinal bar and the right longitudinal bar are both arranged along the front-to-back direction and are spaced apart from each other left and right, the rear end of the left longitudinal bar and the rear end of the right longitudinal bar are respectively used to rotatably connect the scaffolding around the left and right directions, the front cross bar and the rear cross bar are both arranged along the left and right directions and are spaced apart from each other front and back, the front cross bar and the rear cross bar are both located between the left longitudinal bar and the right longitudinal bar and are respectively The left longitudinal rod and the right longitudinal rod are movably connected front and back, the middle elastic buffer component is arranged along the front and back direction and is located between the front cross bar and the rear cross bar and is respectively connected to the front cross bar and the rear cross bar, the number of the middle elastic buffer components is multiple, and the multiple middle elastic buffer components are arranged at intervals from left to right, the front side wall and the rear side wall are both arranged vertically and are both arranged along the left and right direction and are arranged at intervals from front to back, and the front side wall and the rear side wall are respectively arranged on the front cross bar and the rear cross bar; The horizontal pocket net is arranged along the left-right direction and is located between the top of the front side wall and the top of the rear side wall, the front side and the rear side of the horizontal pocket net are respectively connected to the top of the front side wall and the top of the rear side wall, and the middle part of the horizontal pocket net is naturally drooped; The left telescopic rod and the right telescopic rod are both inclined along the front-to-back direction and spaced apart from each other. The front end of the left telescopic rod is lower than the rear end of the left telescopic rod and is rotatably connected to the front end of the left longitudinal rod around the left-right direction. The front end of the right telescopic rod is lower than the rear end of the right telescopic rod and is rotatably connected to the front end of the right longitudinal rod around the left-right direction. The rear ends of the left telescopic rod and the right telescopic rod are respectively used to be rotatably connected to the scaffold around the left-right direction. The left elastic buffer component is arranged along the inclined direction of the left telescopic rod and is located at the left telescopic rod. In the rod, the front end of the left elastic buffer component is connected to the inner side wall of the left telescopic rod, and the rear end of the left elastic buffer component passes through the end surface of the rear end of the left telescopic rod along the inclination direction of the left telescopic rod and is used to fix the connection with the scaffolding. The right elastic buffer component is arranged along the inclination direction of the right telescopic rod and is located in the right telescopic rod, the front end of the right elastic buffer component is connected to the inner side wall of the right telescopic rod, and the rear end of the right elastic buffer component passes through the end surface of the rear end of the right telescopic rod along the inclination direction of the right telescopic rod and is used to fix the connection with the scaffolding.
2. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The retractable cantilevered horizontal net protection device also includes a lower left hinged support and a lower right hinged support, and the lower left hinged support and the lower right hinged support are arranged at intervals from each other on the left and right sides. The rear end of the left longitudinal rod and the rear end of the right longitudinal rod are respectively rotatably connected to the lower left hinged support and the lower right hinged support around the left and right directions, and the lower left hinged support and the lower right hinged support are both used to be installed on the scaffolding.
3. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The retractable cantilevered horizontal net protection device also includes a front left slider, a front right slider, a rear left slider and a rear right slider, the right side of the left longitudinal rod and the left side of the right longitudinal rod are respectively provided with a left slide groove and a right slide groove along the front-to-back direction, the left slide groove and the right slide groove are relatively arranged left and right, the front left slider and the rear left slider are spaced apart from each other front to back and are both movably arranged in the left slide groove along the front-to-back direction, the front right slider and the rear right slider are spaced apart from each other front to back and are both movably arranged in the right slide groove along the front-to-back direction, the front cross bar is located between the front left slider and the front right slider and are respectively connected to the front left slider and the front right slider, and the rear cross bar is located between the rear left slider and the rear right slider and are respectively connected to the rear left slider and the rear right slider.
4. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The intermediate elastic buffer component is a spring.
5. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The retractable cantilevered horizontal net protection device also includes an upper left hinged support and an upper right hinged support, and the upper left hinged support and the upper right hinged support are spaced apart from each other on the left and right sides, and the rear end of the left telescopic rod and the rear end of the right telescopic rod are respectively rotatably connected to the upper left hinged support and the upper right hinged support around the left and right directions, and the upper left hinged support and the upper right hinged support are both used to be installed on the scaffolding, and the rear end of the left elastic buffer component is fixedly connected to the upper left hinged support, and the rear end of the right elastic buffer component is fixedly connected to the upper right hinged support.
6. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The left elastic buffer component includes a first left pull rope, a left elastic member and a second left pull rope. The first left pull rope, the left elastic member and the second left pull rope are all arranged along the inclined direction of the left telescopic rod. The front end of the first left pull rope is connected to the rear end of the left elastic member, the front end of the left elastic member is connected to the rear end of the second left pull rope, the front end of the second left pull rope is the front end of the left elastic buffer component, and the rear end of the first left pull rope is the rear end of the left elastic buffer component.
7. The retractable cantilevered horizontal net protection device according to claim 6, characterized in that: The first left pull rope and the second left pull rope are both steel wire ropes, and the left elastic member is a spring.
8. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The right elastic buffer component includes a first right pull rope, a right elastic member and a second right pull rope. The first right pull rope, the right elastic member and the second right pull rope are all arranged along the inclined direction of the right telescopic rod. The front end of the first right pull rope is connected to the rear end of the right elastic member, and the front end of the right elastic member is connected to the rear end of the second right pull rope. The front end of the second right pull rope is the front end of the right elastic buffer component, and the rear end of the first right pull rope is the rear end of the right elastic buffer component.
9. The retractable cantilevered horizontal net protection device according to claim 8, characterized in that: The first right pull rope and the second right pull rope are both steel wire ropes, and the right elastic member is a spring.
10. The retractable cantilevered horizontal net protection device according to claim 1, characterized in that: The retractable cantilevered horizontal net protection device also includes a left support rod and a right support rod, and the left support rod and the right support rod are both inclined along the front-to-back direction. The front end of the left support rod is higher than the rear end of the left support rod and is connected to the front end of the left longitudinal rod, and the front end of the right support rod is higher than the rear end of the right support rod and is connected to the front end of the right longitudinal rod. The rear ends of the left support rod and the right support rod are both used to fix the scaffolding.