Movable high-place operation protective net device

Abstract

The utility model belongs to the technical field of protective net structures, and particularly relates to a movable high-place operation protective net device which is characterized in that a wall expansion bolt penetrates through a first fixing frame and an upper supporting plate to be fixed with a building after reaching a specified working height; the first fixing frame and the second adjusting frame are fixed to the upper end of the steel wire mesh body to stabilize the outer mesh connecting frame. During operation, the distance between the aluminum alloy steel plate and the positioning steel plate can be prolonged by pulling the aluminum alloy steel plate outwards, and therefore the one-time adjusting effect is achieved; according to the different opening positions of the threaded holes, the limiting bolts can be installed in the appropriate threaded holes, secondary adjustment and fixation are completed, and the flexible adjustment effect is achieved; in order to fill a gap between the drawn outer net connecting frame and the second adjusting frame, a small-size inner frame and a small-size steel wire net body can be selected, and the small-size inner frame can stably slide into the outer net connecting frame through cooperation of a straight sliding rail and a limiting block, so that the gap is filled.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective net structures, and in particular relates to a movable high-altitude operation protective net device. Background Art

[0002] Working at height refers to work where the falling height is more than 2 meters above the reference plane and there may be falling objects. Common working at height includes high-rise building construction, exterior wall construction and exterior glass curtain wall cleaning, etc. Especially during the construction of high-rise buildings, there are often falling building materials, such as brick and tile debris, pipe and wire scraps, etc. In order to prevent falling building materials from injuring pedestrians under high-rise buildings, the current common practice is to build steel pipe scaffolding outside the high-rise building and fix protective nets between the scaffolding.

[0003] After searching, the publication number: CN208363572U discloses a protective net for high-altitude operations. In the utility model, when the net is installed between steel pipes, the pull rope pulls the tension spring in a taut state due to the tension of the net, and the conductive end is not inserted into the opening; when the net is torn by building materials during construction to reduce the tension of the net, or the pull rope is broken by building materials, the pulling force of the pull rope on the tension spring is reduced, and the tension spring recovers its elastic deformation to insert the conductive end into the opening to connect with the conductive terminal, and the power supply supplies power to the indicator light, which is lit. However, security inspectors can easily find that the net is broken due to high-frequency observation on the scene. The practicality of this device is general, and for existing protective nets, its installation method is relatively fixed and cannot be moved, making it more troublesome to disassemble.

[0004] Therefore, a movable high-altitude operation protective net device is designed to solve the above problems. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides a movable high-altitude working protective net device. When the device is in use, the bottom of the stranded wire end of the electric hoist can be wrapped around the inner side of the lifting ring and lifted. After reaching the specified working height, the wall expansion bolt is passed through the first fixed frame and the upper support plate to fix it to the building. The first fixed frame and the second adjustment frame are fixed to the upper end of the wire mesh body to stabilize the external network connection frame. The second adjustment frame does not block the inner frame, thereby ensuring that the inner frame can slide out of the external network connection frame smoothly, thereby facilitating the disassembly and overall replacement of the internal wire mesh body.

[0006] During use, the device allows the length of the inner frame to be slightly extended in the horizontal direction through multiple groups of threaded holes on the outside. During operation, the aluminum alloy steel plate can be pulled outward to extend the distance between it and the positioning steel plate, thereby achieving a primary adjustment effect; according to the different opening positions of the threaded holes, the limit bolts can be installed in appropriate threaded holes, and secondary adjustment and fixation can be completed to achieve a flexible adjustment effect; in order to fill the gap between the outer network connecting frame and the second adjustment frame after being pulled out, the device can select a small-sized inner frame and wire mesh body, and cooperate with the straight sliding track and the limit block to make the small-sized inner frame stably slide into the interior of the outer network connecting frame, thereby filling the gap and achieving the effect of rapid movement and splicing.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a movable high-altitude work protective net device, including an adjustable protective net, the adjustable protective net including an outer net connecting frame, an inner frame, a wire mesh, a lifting ring, a first fixed frame and a second adjustment frame, the inner side of the outer net connecting frame is slidably engaged with the outer wall surface of the inner frame, the wire mesh is wrapped and connected to the inner side of the inner frame, the lifting ring is fixedly connected to the top of the outer net connecting frame, the first fixed frame is fixedly connected to the outside of the outer net connecting frame, and the second adjustment frame is threadedly connected to the side of the outer net connecting frame away from the first fixed frame.

[0008] As a preferred movable height work protection net device of the utility model, the second adjustment frame includes an upper support steel plate, an aluminum alloy steel plate, a positioning steel plate and a limit bolt. The bottom of the upper support steel plate is fixedly connected to the top surface of the aluminum alloy steel plate, the positioning steel plate is slidably clamped on the inner side of the aluminum alloy steel plate, and the limit bolt is threadedly connected to the outer side of the positioning steel plate.

[0009] As a preferred embodiment of the movable height operation protection net device of the utility model, a threaded hole matching the inner diameter of the limit bolt is further provided on the side of the outer net connecting frame close to the positioning steel plate.

[0010] As a preferred embodiment of the movable height operation protection net device of the utility model, the threaded holes are provided in a plurality of groups, and the plurality of groups of threaded holes are arranged at equal intervals on one side of the external net connecting frame.

[0011] As a preferred movable height work protection net device of the utility model, the top of the first fixing frame and the upper supporting steel plate are also provided with wall expansion bolts, and the wall expansion bolts penetrate the inside of the first fixing frame and the upper supporting steel plate and are screwed to the external wall surface.

[0012] As a preferred embodiment of the movable height-operating protective net device of the utility model, a straight sliding track and a limit block with mutually matching sizes are further provided at the connection between the outer net connecting frame and the inner frame.

[0013] As a preferred embodiment of the movable height operation protection net device of the utility model, a plurality of groups of reinforcing ribs arranged at equal intervals are welded to the bottom of the external net connecting frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the bottom of the stranded wire end of the electric hoist is wrapped around the inner side of the lifting ring and lifted. After reaching the specified working height, the wall expansion bolt is passed through the first fixed frame and the upper support plate to be fixed to the building. The first fixed frame and the second adjustment frame are fixed to the upper end of the wire mesh to stabilize the external network connecting frame. The second adjustment frame does not block the inner frame, thereby ensuring that the inner frame can slide out of the external network connecting frame smoothly, thereby facilitating the disassembly and overall replacement of the internal wire mesh.

[0016] 2. In the utility model, during operation, the aluminum alloy steel plate can be pulled outward to extend the distance between it and the positioning steel plate, thereby achieving a primary adjustment effect; according to the different opening positions of the threaded holes, the limit bolts can be installed in suitable threaded holes, and secondary adjustment and fixation can be completed to achieve a flexible adjustment effect; in order to fill the gap between the outer network connecting frame and the second adjustment frame after being pulled out, the device can select a small-sized inner frame and a wire mesh body, and cooperate with the limit block through a straight sliding track, so that the small-sized inner frame can stably slide into the interior of the outer network connecting frame, thereby filling the gap and achieving the effect of rapid movement and splicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the bottom of the foreign network connection frame of the utility model;

[0020] Figure 3 This is a disassembly diagram of the second adjustment frame and the external network connection frame in the utility model;

[0021] Figure 4 This is a distribution diagram of the straight sliding track and the limit block in the utility model;

[0022] In the figure:

[0023] 1. Adjustable protective net; 11. External net connecting frame; 12. Internal frame; 13. Steel wire mesh; 14. Lifting ring; 15. First fixed frame; 16. Second adjustment frame; 161. Upper supporting steel plate; 162. Aluminum alloy steel plate; 163. Positioning steel plate; 164. Limit bolt; 2. Threaded hole; 3. Wall expansion bolt; 4. Straight sliding track; 5. Limit block; 6. Reinforcement rib. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] like Figure 1 As shown:

[0026] A movable height operation protection net device is disclosed in CN208363572U. When the net is torn by building materials during construction to reduce the tension of the net, or when the pull rope is broken by building materials, the pulling force of the pull rope on the tension spring is reduced, and the tension spring recovers its elastic deformation to insert the conductive end into the opening to connect the conductive terminal. The power supply supplies power to the indicator light, and the indicator light is lit. However, the security inspector can easily find the broken net through high-frequency observation on the scene. The practicality of this device is general, and for the existing protection net, its installation method is relatively fixed and cannot be moved, which makes it more troublesome to disassemble. On this basis, an adjustable protection net 1 is added.

[0027] like Figure 1 and Figure 2 As shown:

[0028] In an optional embodiment: the adjustable protective net 1 includes an outer net connecting frame 11, an inner frame 12, a wire mesh body 13, a lifting ring 14, a first fixed frame 15 and a second adjustment frame 16, the inner side of the outer net connecting frame 11 is slidably engaged with the outer wall surface of the inner frame 12, the wire mesh body 13 is wound and connected to the inner side of the inner frame 12, the lifting ring 14 is fixedly connected to the top of the outer net connecting frame 11, the first fixed frame 15 is fixedly connected to the outer side of the outer net connecting frame 11, the second adjustment frame 16 is threadedly connected to the side of the outer net connecting frame 11 away from the first fixed frame 15, and the top of the first fixed frame 15 and the upper supporting steel plate 161 are also provided with wall expansion bolts 3, the wall expansion bolts 3 penetrate the interior of the first fixed frame 15 and the upper supporting steel plate 161 and are screwed to the external wall surface, and the bottom of the outer net connecting frame 11 is also welded with a plurality of groups of reinforcing ribs 6 arranged at equal intervals.

[0029] In this embodiment: When the device is in use, the bottom of the stranded wire end of the electric hoist can be wrapped around the inner side of the lifting ring 14 and lifted. After reaching the specified working height, the wall expansion bolt 3 is passed through the first fixed frame 15 and the upper supporting steel plate 161 and fixed to the building. The first fixed frame 15 and the second adjustment frame 16 are fixed to the upper end of the wire mesh 13 to stabilize the external network connecting frame 11. The second adjustment frame 16 does not block the inner frame 12, thereby ensuring that the inner frame 12 can slide out of the external network connecting frame 11 smoothly, thereby facilitating the disassembly and overall replacement of the internal wire mesh 13.

[0030] More specifically:

[0031] like Figure 1 , Figure 3 and Figure 4 As shown:

[0032] In an optional embodiment: the second adjustment frame 16 includes an upper support steel plate 161, an aluminum alloy steel plate 162, a positioning steel plate 163 and a limit bolt 164, the bottom of the upper support steel plate 161 is fixedly connected to the top surface of the aluminum alloy steel plate 162, the positioning steel plate 163 is slidably clamped on the inner side of the aluminum alloy steel plate 162, and the limit bolt 164 is threadedly connected to the outer side of the positioning steel plate 163, and a threaded hole 2 matching the inner diameter of the limit bolt 164 is also provided on the side of the external network connecting frame 11 close to the positioning steel plate 163, and the threaded hole 2 is provided in a plurality of groups, and the plurality of groups of threaded holes 2 are arranged at equal intervals on one side of the external network connecting frame 11, and a straight sliding track 4 and a limit block 5 whose sizes match each other are also provided at the connection between the external network connecting frame 11 and the inner frame 12.

[0033] In this embodiment: the device extends the length of the inner frame 12 slightly in the horizontal direction through multiple groups of threaded holes 2 on the outside. During operation, the distance between the aluminum alloy steel plate 162 and the positioning steel plate 163 can be extended by pulling out the aluminum alloy steel plate 162, thereby achieving a primary adjustment effect; according to the different opening positions of the threaded holes 2, the limit bolts 164 can be installed in suitable threaded holes 2, and secondary adjustment and fixation can be completed to achieve a flexible adjustment effect; in order to fill the gap between the outer network connecting frame 11 and the second adjustment frame 16 after being pulled out, the device can select a small-sized inner frame 12 and a wire mesh body 13, and cooperate with the straight sliding track 4 and the limit block 5, so that the small-sized inner frame 12 can stably slide into the interior of the outer network connecting frame 11, thereby filling the gap and achieving the effect of rapid movement and splicing.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A movable height-operation protective net device, comprising an adjustable protective net (1), characterized in that: The adjustable protective net (1) comprises an outer net connecting frame (11), an inner frame (12), a steel wire mesh body (13), a lifting ring (14), a first fixing frame (15) and a second adjusting frame (16); the inner side of the outer net connecting frame (11) is slidably engaged with the outer wall surface of the inner frame (12); the steel wire mesh body (13) is wound around and connected to the inner side of the inner frame (12); the lifting ring (14) is fixedly connected to the top of the outer net connecting frame (11); the first fixing frame (15) is fixedly connected to the outer side of the outer net connecting frame (11); and the second adjusting frame (16) is threadedly connected to a side of the outer net connecting frame (11) away from the first fixing frame (15).

2. The movable height working protection net device according to claim 1 is characterized in that: The second adjustment frame (16) comprises an upper supporting steel plate (161), an aluminum alloy steel plate (162), a positioning steel plate (163) and a limiting bolt (164); the bottom of the upper supporting steel plate (161) is fixedly connected to the top surface of the aluminum alloy steel plate (162); the positioning steel plate (163) is slidably engaged with the inner side of the aluminum alloy steel plate (162); and the limiting bolt (164) is threadedly connected to the outer side of the positioning steel plate (163).

3. The movable height working protection net device according to claim 2 is characterized in that: A threaded hole (2) matching the inner diameter of the limit bolt (164) is also provided on one side of the external network connection frame (11) close to the positioning steel plate (163).

4. The movable height working protection net device according to claim 3 is characterized in that: The threaded holes (2) are provided in a plurality of groups, and the plurality of groups of threaded holes (2) are arranged at equal intervals on one side of the external network connection frame (11).

5. The movable height working protection net device according to claim 2 is characterized in that: Wall expansion bolts (3) are also provided on the top of the first fixing frame (15) and the upper supporting steel plate (161). The wall expansion bolts (3) penetrate the interior of the first fixing frame (15) and the upper supporting steel plate (161) and are screwed to the external wall surface.

6. The movable height working protection net device according to claim 1 is characterized in that: A straight sliding track (4) and a limit block (5) with mutually matching sizes are also provided at the connection between the external network connection frame (11) and the internal frame (12).

7. The movable height working protection net device according to claim 6 is characterized in that: The bottom of the external network connection frame (11) is also welded with a plurality of groups of reinforcing ribs (6) arranged at equal intervals.

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