CN215926836U - Telescopic horizontal entrance to a cave anti-falling device - Google Patents
Telescopic horizontal entrance to a cave anti-falling device Download PDFInfo
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- CN215926836U CN215926836U CN202122191187.6U CN202122191187U CN215926836U CN 215926836 U CN215926836 U CN 215926836U CN 202122191187 U CN202122191187 U CN 202122191187U CN 215926836 U CN215926836 U CN 215926836U
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Abstract
The utility model discloses a telescopic horizontal portal anti-falling device, which comprises a telescopic rod assembly, an umbrella-shaped protective net assembly and a warning lamp (9); the umbrella-shaped protective net component comprises skeleton rods (3) and connecting rods (4), the upper ends of the skeleton rods (3) are respectively connected to the telescopic rod component, the skeleton rods (3) are uniformly distributed around the telescopic rod component in an umbrella shape, and the lower ends of the skeleton rods (3) are respectively erected at the edges of the horizontal hole; a plurality of connecting rods (4) are connected between two adjacent skeleton rods (3), so that the umbrella-shaped protective net component is covered on the horizontal hole in a conical shape with a high middle part and low periphery; the warning light (9) is arranged at the top of the telescopic rod component. The utility model has good bearing performance and impact resistance, and can provide effective anti-falling protection for the horizontal opening.
Description
Technical Field
The utility model relates to building construction protection equipment, in particular to a telescopic horizontal portal anti-falling device.
Background
In recent years, the high-altitude falling death rate is increased year by year, and particularly on a building construction site, horizontal holes are often reserved on the building site due to the fact that the height of a building structure and the underground construction depth are increased continuously, so that high-altitude falling accidents of the building construction site are frequent. At present, for the anti-falling protection of a horizontal hole, a large eye net is hung on the horizontal hole in a stretching mode in a conventional mode, but the large eye net is easy to damage and fall off and needs to be replaced regularly, and especially after the large eye net is impacted by external forces such as large wind load, falling objects and the like, the safety is greatly reduced. The material intensity of big eye net is lower, and impact resistance is poor, and it is great that constructor strikes when falling, and the unable effective tissue personnel of big eye net fall, and do not have obvious warning effect, can't guarantee the safety of preventing weighing down of horizontal entrance to a cave more in the relatively poor period of light and district.
Disclosure of Invention
The utility model aims to provide a telescopic horizontal portal anti-falling device which has good bearing performance and impact resistance and can provide effective anti-falling protection for a horizontal portal.
The utility model is realized by the following steps:
a telescopic horizontal entrance to a cave anti-falling device, including telescopic rod assembly, umbelliform protective net assembly and warning light; the umbrella-shaped protective net component comprises skeleton rods and connecting rods, the upper ends of a plurality of skeleton rods are respectively connected to the telescopic rod component, and the skeleton rods are uniformly distributed around the telescopic rod component in an umbrella shape, so that the lower ends of the skeleton rods are respectively erected at the edges of the horizontal hole; a plurality of connecting rods are connected between two adjacent skeleton rods, so that the umbrella-shaped protective net component is covered on the horizontal hole in a conical shape with a high middle part and low periphery; the warning light is installed at the top of telescopic rod subassembly.
Each connecting rod comprises a plurality of connecting pieces which are sequentially connected end to form the connecting rod, and two ends of the connecting rod are respectively connected to two adjacent skeleton rods.
The connecting rods are sequentially connected end to end on the skeleton rods to form an annular structure, and the annular structures are arranged at intervals from the upper ends to the lower ends of the skeleton rods in a concentric mode.
The upper end of each framework rod is connected with a connecting ring, and the connecting rings are sleeved on the telescopic rod component, so that the framework rods can rotate relative to the telescopic rod component through the connecting rings.
The telescopic rod component comprises a first telescopic joint, a second telescopic joint and a positioning piece; the upper end of the first telescopic joint is coaxially matched and sleeved with the lower end of the second telescopic joint, and a plurality of positioning holes are formed in the first telescopic joint and the second telescopic joint at intervals, so that the first telescopic joint is fixedly connected with the second telescopic joint through positioning parts and positioning holes.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model is provided with the umbrella-shaped protective net component, the umbrella-shaped protrusion can cover the upper part of the horizontal hole, the protective effect of the horizontal hole is improved, and meanwhile, the umbrella-shaped protective net component has certain telescopic capacity, can adapt to horizontal holes with different sizes and is convenient to store and carry; the umbrella-shaped protection net component has high structural strength, good bearing capacity and impact resistance, and can meet the rigidity requirement when people fall and impact.
2. The anti-falling protection device is provided with the warning lamp, so that striking warning can be provided in areas and time periods with poor light, and the anti-falling protection effect is further improved.
3. The utility model is convenient and quick to assemble and disassemble, can be recycled, has high practicability, is easy to obtain materials and manufacture and has low cost because of adopting the connection of bolts and the like.
Drawings
FIG. 1 is a top view of the telescoping horizontal portal fall arrest device of the present invention;
fig. 2 is a front view of the telescopic horizontal portal fall arrest device of the present invention.
In the figure, 1 a first telescopic joint, 2 a second telescopic joint, 3 a skeleton rod, 4 connecting rods, 5 a first bolt, 6 a second bolt, 7 connecting rings, 8 positioning pieces and 9 warning lamps.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Referring to fig. 1 and 2, a telescopic horizontal entrance fall-preventing device comprises a telescopic rod assembly, an umbrella-shaped protective net assembly and a warning light 9; the umbrella-shaped protective net component comprises skeleton rods 3 and connecting rods 4, the upper ends of a plurality of skeleton rods 3 are respectively connected to the telescopic rod component, and the skeleton rods 3 are uniformly distributed around the telescopic rod component in an umbrella shape, so that the lower ends of the skeleton rods 3 are respectively erected at the edges of the horizontal hole; a plurality of connecting rods 4 are connected between two adjacent framework rods 3, so that the umbrella-shaped protective net component is covered on the horizontal hole in a conical shape with a high middle part and a low periphery; the warning light 9 is mounted on top of the telescopic rod assembly. The umbrella-shaped protection net component can be unfolded to be umbrella-shaped and covers the horizontal hole to meet the anti-falling protection requirement of the horizontal hole, the umbrella-shaped protection net component can adapt to the horizontal holes with different sizes through stretching, and meanwhile the warning effect of the horizontal hole is improved by means of the long-light or flickering mode through the warning lamp 9.
Each connecting rod 4 comprises a plurality of connecting pieces, the connecting pieces are connected end to end sequentially through first bolts 5 to form the connecting rod 4, and two ends of the connecting rod 4 are connected to two adjacent skeleton rods 3 respectively through second bolts 6. When the first bolt 5 is not locked, the connecting pieces can rotate relatively, so that the umbrella-shaped protection net component can be unfolded and folded in a contraction mode, the first bolt 5 and the second bolt 6 can be locked in a contraction mode after the umbrella-shaped protection net component is unfolded, the structural strength of the umbrella-shaped protection net component is improved, and the umbrella-shaped protection net component has good bearing capacity and impact resistance.
A plurality of connecting rods 4 form ring structure in proper order end to end on a plurality of skeleton poles 3, a plurality of ring structure from the upper end of skeleton pole 3 to lower extreme interval and arrange with one heart, ensure that personnel can not fall from the clearance of skeleton pole 3, also be convenient for control skeleton pole 3 and rotate the range that expandes.
Each upper end of the framework rod 3 is connected with a connecting ring 7, and the connecting ring 7 is sleeved on the telescopic rod component, so that the framework rod 3 can rotate relative to the telescopic rod component through the connecting ring 7. Offer the hole that slightly is greater than go-between 7 cross sectional dimension on skeleton pole 3's upper end and telescopic link subassembly, run through skeleton pole 3 and telescopic link subassembly with go-between 7 hole, skeleton pole 3 has the rotation ability, improves the rotation flexibility of skeleton pole 3 when expanding and withdrawing, reduces occupation space when accomodating.
The telescopic rod component comprises a first telescopic joint 1, a second telescopic joint 2 and a positioning piece 8; the upper end of the first telescopic joint 1 is coaxially matched and sleeved with the lower end of the second telescopic joint 2, and a plurality of positioning holes (not shown in the figure) are formed in the first telescopic joint 1 and the second telescopic joint 2 at intervals, so that the first telescopic joint 1 is fixedly connected with the second telescopic joint 2 through the positioning holes by the positioning parts 8. The first expansion joint 1 and the second expansion joint 2 improve the adaptability to horizontal holes with different sizes through the expansion function.
Preferably, warning light 9 can adopt prior art's solar energy magnetism to inhale formula warning light, adsorbs at the top of telescopic link subassembly through magnetic force, easy dismounting, and warning light 9 is from taking small-size solar cell panel, and the energy storage when sunshine is sufficient daytime to provide lighting source for warning light 9 at night, in order to satisfy the long warning demand of shining or twinkling of warning light 9.
Preferably, the framework rod 3 can adopt a square steel pipe with the length of 10 × 1000mm, and the length of the framework rod 3 needs to be larger than the radius of the horizontal hole so as to meet the requirement that the framework rod 3 is supported above the horizontal hole in an umbrella shape.
Preferably, the first telescopic joint 1 can be made of a round steel pipe with the length of 1.2m and the diameter of 2cm, and the top of the first telescopic joint 1 adsorbs the warning lamp 9. The second telescopic joint 2 can be made of a round steel pipe with the length of 10cm and the diameter of 6cm, the upper end of the first telescopic joint 1 is inserted into the second telescopic joint 2 and stretches and retracts relatively to adjust the length, screw holes are formed in the side walls of the first telescopic joint 1 and the second telescopic joint 2, and the first telescopic joint 1 and the second telescopic joint 2 are fixed through bolts, namely positioning pieces 8, in a threaded mode.
Preferably, the connecting ring 7 can be made of a steel bar with the diameter of 6mm, and is welded into a closed ring after penetrating through the holes of the frame rod 3 and the first telescopic joint 1.
Preferably, the connecting piece can be a steel sheet, and the thickness of the steel sheet is 0.2mm, and the width of the steel sheet is 2 mm. Three connecting rods 4 are arranged at equal intervals (0.3m) along the length direction of the framework rod 3, and the lengths of the steel sheets are 0.15m, 0.3m and 0.45m from top to bottom in sequence.
The using method of the utility model is as follows:
the telescopic horizontal hole falling preventing device of the framework rod 3 with proper length is selected according to the size of the horizontal hole, the first expansion joint 1 and the second expansion joint 2 are expanded to proper length, and are locked by the positioning piece 8, so that the length of the expansion rod component is kept unchanged. The first telescopic joint 1 can be inserted into a horizontal hole.
Rotate to open certain angle with hack lever 3 through go-between 7 and form umbelliform distribution, simultaneously, the connection piece of connecting rod 4 between the adjacent hack lever 3 expandes, form stable umbelliform protection net subassembly, the bottom size of umbelliform protection net subassembly is greater than the size back at horizontal entrance to a cave, lock first bolt 5 and second bolt 6, ensure the structural stability of umbelliform protection net subassembly, make it have good bearing capacity and shock-resistant ability, fix the subaerial at horizontal entrance to a cave edge with the lower extreme of hack lever 3, make umbelliform protection net subassembly cover the horizontal entrance to a cave completely.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a telescopic horizontal entrance to a cave anti-falling device which characterized by: comprises a telescopic rod component, an umbrella-shaped protective net component and a warning lamp (9); the umbrella-shaped protective net component comprises skeleton rods (3) and connecting rods (4), the upper ends of the skeleton rods (3) are respectively connected to the telescopic rod component, the skeleton rods (3) are uniformly distributed around the telescopic rod component in an umbrella shape, and the lower ends of the skeleton rods (3) are respectively erected at the edges of the horizontal hole; a plurality of connecting rods (4) are connected between two adjacent skeleton rods (3), so that the umbrella-shaped protective net component is covered on the horizontal hole in a conical shape with a high middle part and low periphery; the warning light (9) is arranged at the top of the telescopic rod component.
2. The telescopic horizontal portal fall arrest device according to claim 1, characterized in that: each connecting rod (4) comprises a plurality of connecting pieces, the connecting pieces are sequentially connected end to form the connecting rod (4), and two ends of the connecting rod (4) are respectively connected to two adjacent skeleton rods (3).
3. The telescopic horizontal portal fall arrest device according to claim 2, characterized in that: the connecting rods (4) are sequentially connected end to end on the skeleton rods (3) to form an annular structure, and the annular structures are arranged at intervals from the upper end to the lower end of the skeleton rods (3) in a concentric mode.
4. The telescopic horizontal portal fall arrest device according to any of claims 1 to 3, characterized in that: each upper end of the skeleton rod (3) is connected with a connecting ring (7), and the connecting ring (7) is sleeved on the telescopic rod component, so that the skeleton rod (3) can rotate relative to the telescopic rod component through the connecting ring (7).
5. The telescopic horizontal portal fall arrest device according to claim 4, characterized in that: the telescopic rod component comprises a first telescopic joint (1), a second telescopic joint (2) and a positioning piece (8); the upper end of the first telescopic joint (1) is coaxially matched and sleeved with the lower end of the second telescopic joint (2), and a plurality of positioning holes are formed in the first telescopic joint (1) and the second telescopic joint (2) at intervals, so that the first telescopic joint (1) is fixedly connected with the second telescopic joint (2) through the positioning parts (8) and the positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191187.6U CN215926836U (en) | 2021-09-10 | 2021-09-10 | Telescopic horizontal entrance to a cave anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191187.6U CN215926836U (en) | 2021-09-10 | 2021-09-10 | Telescopic horizontal entrance to a cave anti-falling device |
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| Publication Number | Publication Date |
|---|---|
| CN215926836U true CN215926836U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191187.6U Active CN215926836U (en) | 2021-09-10 | 2021-09-10 | Telescopic horizontal entrance to a cave anti-falling device |
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| CN (1) | CN215926836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234020A (en) * | 2022-07-11 | 2022-10-25 | 中建八局第二建设有限公司 | Flexible telescopic hole safety protection device and use method |
| CN117188804A (en) * | 2023-10-26 | 2023-12-08 | 中材建设有限公司 | Safety protection device capable of being unfolded and folded rapidly |
-
2021
- 2021-09-10 CN CN202122191187.6U patent/CN215926836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234020A (en) * | 2022-07-11 | 2022-10-25 | 中建八局第二建设有限公司 | Flexible telescopic hole safety protection device and use method |
| CN117188804A (en) * | 2023-10-26 | 2023-12-08 | 中材建设有限公司 | Safety protection device capable of being unfolded and folded rapidly |
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