Safety protection net convenient to disassemble and assemble for building construction

By using a support structure and a ring-shaped fall arresting net design, the problem of complex installation and insufficient safety of existing safety nets is solved, enabling a simple and quick installation and disassembly process, improving safety and flexibility, and providing additional safety protection.

CN223964201UActive Publication Date: 2026-03-03GONGBEI CONSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing security nets are complex to install and lack sufficient security.

Method used

The system employs a support structure, including a base, telescopic frame, fixed rods, and top seat. It utilizes bolted connections, hinges, and electrically operated telescopic rods to achieve stable support and automatic adjustment of the safety net. Combined with a ring-shaped fall-prevention net design, it provides double-layer protection.

Benefits of technology

It enables simple and quick installation and dismantling of safety nets, improves safety and flexibility, reduces construction difficulty, and provides additional safety guarantees.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of safety protection nets, in particular to a building construction safety protection net convenient to disassemble and assemble, which comprises a support and an anti-falling net, the support comprises a base, a telescopic frame, a fixing rod and a top seat, the telescopic frame is arranged at one end, far away from a floor, of the base, the fixing rod is in threaded connection with the base, and the anti-falling net is arranged on the top seat. The fixing rod is connected with the top seat through a bolt; a plurality of hooks are arranged on the side, close to a floor, of the base. The telescopic frame comprises a first telescopic frame and a second telescopic frame, and a rope ring is arranged at the top end of the first telescopic frame and used for fixing one end of a steel wire rope; the fixing rods comprise the first fixing rod and the second fixing rod, a first pulley is arranged at the top of the first fixing rod, a second pulley and a driving motor are arranged at the bottom of the fixing rod, the other end of the steel wire rope is wound around the first pulley and fixed to the second pulley, and the safety and flexibility of the safety protection net are improved.
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Description

Technical Field

[0001] This utility model relates to the field of safety protection net technology, and in particular to a safety protection net for building construction that is easy to assemble and disassemble. Background Technology

[0002] Safety nets are safety facilities used to prevent people, objects, or equipment from falling from heights or entering hazardous areas. They are widely used in construction sites, bridge construction, high-altitude operations, and industrial equipment maintenance to ensure the safety of workers and reduce accidents. With the increasing complexity of modern buildings and industrial facilities, the demand for safety protection in high-altitude operations and hazardous areas is growing. While traditional protective measures such as guardrails and safety belts are effective, they have limitations in certain scenarios. Safety nets, as a flexible protective device, can effectively cover large areas, providing more comprehensive protection.

[0003] Chinese Patent Application Publication No. CN114319912A discloses a safety net device for construction engineering, including a mounting frame, threaded rods and a safety net. The upper surface of the mounting frame has two movable slots, and each of the two movable slots is provided with a threaded rod. The front and rear ends of the two threaded rods extend through the mounting frame to the outside, and the outer surfaces of the two threaded rods are rotatably connected to the mounting frame.

[0004] However, the existing technology has the following problems: the security protection net in the existing technology is complicated to install and has insufficient security. Utility Model Content

[0005] Therefore, this utility model provides a construction safety net that is easy to assemble and disassemble, in order to overcome the problems of inflexible assembly and disassembly and insufficient safety of existing safety nets.

[0006] To achieve the above objectives, this utility model provides a construction safety net that is easy to assemble and disassemble, including a support and a fall protection net. The support includes a base, a telescopic frame, a fixed rod, and a top seat. The telescopic frame is located at the end of the base away from the floor slab. The telescopic frame is hinged to the base. The fixed rod is threaded to the base. The fixed rod is bolted to the top seat.

[0007] The base is fixed to the lower floor slab with bolts. The base has a hollow structure and several hooks are provided on the side of the base near the floor slab.

[0008] The telescopic frame includes a first telescopic frame and a second telescopic frame. The top of the first telescopic frame is provided with a rope loop for fixing one end of the steel wire rope. The second telescopic frame and the first telescopic frame are axially symmetrical about the center line of the fall protection net.

[0009] The fixing rod includes a first fixing rod and a second fixing rod. The first fixing rod is provided with a first pulley at the top and a second pulley and a drive motor at the bottom. The other end of the steel wire rope passes around the first pulley and is fixed on the second pulley. The first fixing rod and the second fixing rod are axially symmetrical about the center line of the fall protection net. The drive motor is connected to the second pulley and is used to wind up and unwind the steel wire rope.

[0010] The top seat is connected to the upper floor slab by bolts.

[0011] Furthermore, the first fixed rod and the second fixed rod are electrically telescopic rods.

[0012] Furthermore, the fall protection net includes a first block, a second block, and a third block, wherein the first block and the second block overlap at the lower part of the third block and are connected by bolts to form a ring-shaped fall protection net, which is then fitted onto the telescopic frame.

[0013] Furthermore, the first block and the second block are of the same size, and the length of the third block is greater than the length of the first block or the second block.

[0014] Furthermore, the first block and the second block are each provided with a plurality of docking holes at the ends away from the third block.

[0015] Furthermore, the protruding end of the third block is provided with a first row of mounting holes, a second row of mounting holes, and a third row of mounting holes.

[0016] Furthermore, several fixing holes are provided at the connection points between the third block and the telescopic frame on both sides.

[0017] Compared with the prior art, the beneficial effects of this utility model are that, by setting up a base, telescopic frame, fixed rod and top seat and other structures, this utility model realizes the stable support and automatic adjustment function of the safety net, thus ensuring the safety and flexibility of the safety net.

[0018] Furthermore, by employing designs such as bolted connections, hinges, and electric telescopic rods, this utility model makes the installation and dismantling of safety nets simpler and faster, reducing construction difficulty and saving time costs.

[0019] Furthermore, in this invention, the length of the third block is greater than the length of the first block or the second block, and the base is a hollow structure, which facilitates the extension of the third block to pass through the middle of the base, thus strengthening the fixation of the fall protection net.

[0020] Furthermore, the protruding end of the third block in this utility model is provided with a first row of mounting holes, a second row of mounting holes, and a third row of mounting holes, which facilitates flexible adjustment of the fixed position of the fall protection net as the telescopic frame is adjusted, thereby enhancing the flexibility of adjustment.

[0021] Furthermore, this utility model sets the fall protection net in a ring shape, that is, it has a double-layer fall protection net. Even if the first layer is damaged, the second layer can still continue to function, providing additional safety for construction.

[0022] Furthermore, this utility model is equipped with a drive motor, which realizes the automatic winding and unwinding of the wire rope, improving the automation level of the safety net. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the bracket according to an embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of the anti-fall net structure according to an embodiment of the present utility model;

[0025] Figure 3 This is a structural diagram showing the location of the fall protection net in an embodiment of this utility model;

[0026] In the diagram: 1. Base; 11. Hook; 2. First telescopic frame; 21. Rope ring; 3. First fixing rod; 31. First pulley; 32. Second pulley; 33. Drive motor; 4. Top seat; 5. Fall protection net; 51. First block; 511. Connecting hole; 52. Second block; 53. Third block; 531. First row of mounting holes; 532. Second row of mounting holes; 533. Third row of mounting holes; 534. Fixing hole; 6. Steel wire rope. Detailed Implementation

[0027] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0029] In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0030] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0031] Please see Figure 1-3 These are, respectively, a structural schematic diagram of the support frame in an embodiment of the present invention; a structural schematic diagram of the anti-fall net in an embodiment of the present invention; and a structural schematic diagram of the position of the anti-fall net in an embodiment of the present invention.

[0032] This utility model embodiment provides a construction safety net that is easy to assemble and disassemble, including a support and a fall protection net 5. The support includes: a base 1, a telescopic frame, a fixed rod, and a top seat 4. The telescopic frame is located at the end of the base 1 away from the floor slab. The telescopic frame is hinged to the base 1. The fixed rod is threaded to the base 1. The fixed rod is bolted to the top seat 4.

[0033] The base 1 is fixed to the lower floor slab with bolts. The base 1 has a hollow structure and several hooks 11 are provided on the side of the base 1 near the floor slab.

[0034] The telescopic frame includes a first telescopic frame 2 and a second telescopic frame. The top of the first telescopic frame 2 is provided with a rope loop 21 for fixing one end of the steel wire rope 6. The second telescopic frame and the first telescopic frame 2 are axially symmetrical about the center line of the fall protection net 5.

[0035] The fixing rod includes a first fixing rod 3 and a second fixing rod. The first fixing rod 3 has a first pulley 31 at its top and a second pulley 32 and a drive motor 33 at its bottom. The other end of the steel wire rope 6 passes around the first pulley 31 and is fixed to the second pulley 32. The first fixing rod 3 and the second fixing rod are axially symmetrical about the center line of the fall arrest net 5. The drive motor 33 is connected to the second pulley 32 and is used to wind up and unwind the steel wire rope 6.

[0036] The top seat 4 is connected to the upper floor slab by bolts.

[0037] Specifically, the first telescopic frame 2 and the second telescopic frame are electric telescopic frames, which can automatically adjust the length of the telescopic frame to obtain a larger protection range.

[0038] Specifically, the telescopic frame is hinged to the base 1. This configuration allows the telescopic frame to be adjusted in angle by the traction of the steel wire rope 6, increasing the flexibility of adjustment.

[0039] Specifically, both the first fixed rod 3 and the second fixed rod are electrically telescopic rods.

[0040] Specifically, the fall protection net 5 includes a first block 51, a second block 52 and a third block 53, wherein the first block 51 and the second block 52 overlap at the lower part of the third block 53 and are connected by bolts to form a ring fall protection net 5 which is then fitted onto the telescopic frame.

[0041] Specifically, the first block 51 and the second block 52 are of the same size, and the length of the third block 53 is greater than the length of the first block 51 or the second block 52. The length is not specifically limited, as long as it is greater than the maximum length of the telescopic frame.

[0042] Specifically, the first block 51 and the second block 52 are respectively provided with a plurality of docking holes 511 at the ends away from the third block 53. This arrangement facilitates the connection between the first block 51 and the second block 52 and ensures the stability of the fall protection net 5.

[0043] Specifically, the protruding end of the third block 53 is provided with a first row of mounting holes 531, a second row of mounting holes 532 and a third row of mounting holes 533. This arrangement facilitates the adaptive adjustment of the fall protection net 5 after the telescopic frame is adjusted, ensuring that the fall protection net 5 can be flatly fixed on the hook 11.

[0044] Specifically, the third block 53 is provided with several fixing holes 534 at the connection points between its two sides and the telescopic frame. This arrangement facilitates the fixing of the third block 53 onto the telescopic frame.

[0045] Specifically, the installation process of the construction safety net for easy assembly and disassembly according to the embodiments of the present invention includes: fixing the base 1 to the lower floor slab with bolts, fixing the first fixing rod 3 and the second fixing rod to the two ends of the base 1 respectively, pausing the extension of the fixing rod when it is electrically extended to 0.5m away from the upper floor slab, determining the center position of the fixing rod corresponding to the floor slab, and fixing the top seat 4 to the upper floor slab with bolts, ensuring that the center position of the top seat 4 is aligned with the center position of the fixing rod, and then continuing to extend the fixing rod until it is in close contact with the top seat 4, and connecting the fixing rod and the top seat 4 with bolts, fixing the first telescopic frame 2 and the second telescopic frame to the two sides of the base 1 respectively, and fixing the two ends of the wire rope 6 to the rope loop 21 of the telescopic frame and the drive motor 33 respectively, starting the drive motor 33 to wind and unwind the wire rope 6 through the second pulley 32, extending the telescopic frame to the preset length and adjusting the angle to the preset angle, putting the fall protection net 5 on the telescopic frame, and aligning and fixing the mounting hole of the protruding end of the third block 53 with the hook 11 on the base 1.

[0046] Specifically, the disassembly process of the construction safety net that is easy to assemble and disassemble in the embodiment of the present invention includes: first, removing the fall protection net 5, retracting the telescopic frame to its shortest position, starting the drive motor 33 to adjust the angle of the telescopic frame to be perpendicular to the base 1 through the action of the wire rope 6, disassembling the telescopic frame and the wire rope 6, then removing the bolts between the fixed rod and the top seat 4, lowering the fixed rod to the lowest point, and disassembling the top seat 4, the fixed rod and the base 1 in sequence.

[0047] Specifically, the selectable range of the preset length is 1.2 to 1.5 m, and there is no specific limitation.

[0048] Specifically, the preset angle is the angle between the telescopic frame and the fixed rod, and the selectable range of the preset angle is 45 to 60°, without any specific limitation.

[0049] For those skilled in the art, based on the ideas of the embodiments of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A construction safety net that is easy to assemble and disassemble, comprising a support frame and a fall arrestor net, characterized in that, The support includes: a base, a telescopic frame, a fixed rod, and a top seat. The telescopic frame is located at the end of the base away from the floor slab. The telescopic frame is hinged to the base. The fixed rod is threaded to the base. The fixed rod is bolted to the top seat. The base is fixed to the lower floor slab with bolts. The base has a hollow structure and several hooks are provided on the side of the base near the floor slab. The telescopic frame includes a first telescopic frame and a second telescopic frame. The top of the first telescopic frame is provided with a rope loop for fixing one end of the steel wire rope. The second telescopic frame and the first telescopic frame are axially symmetrical about the center line of the fall protection net. The fixing rod includes a first fixing rod and a second fixing rod. The first fixing rod is provided with a first pulley at the top and a second pulley and a drive motor at the bottom. The other end of the steel wire rope passes around the first pulley and is fixed on the second pulley. The first fixing rod and the second fixing rod are axially symmetrical about the center line of the fall protection net. The drive motor is connected to the second pulley and is used to wind up and unwind the steel wire rope. The top seat is connected to the upper floor slab by bolts.

2. The construction safety net that is easy to assemble and disassemble according to claim 1, characterized in that, The first fixed rod and the second fixed rod are electric telescopic rods.

3. The construction safety net that is easy to assemble and disassemble according to claim 1, characterized in that, The fall protection net includes a first block, a second block, and a third block. The first block and the second block overlap at the lower part of the third block and are connected by bolts to form a ring-shaped fall protection net, which is then fitted onto the telescopic frame.

4. The construction safety net that is easy to assemble and disassemble according to claim 3, characterized in that, The first block and the second block have the same length and width, and the length of the third block is greater than the length of the first block or the second block.

5. The construction safety net that is easy to assemble and disassemble according to claim 3, characterized in that, The first block and the second block are respectively provided with a plurality of docking holes at the ends away from the third block.

6. The construction safety net that is easy to assemble and disassemble according to claim 3, characterized in that, The protruding end of the third block is provided with a first row of mounting holes, a second row of mounting holes, and a third row of mounting holes.

7. The construction safety net that is easy to assemble and disassemble according to claim 3, characterized in that, Several fixing holes are provided at the connection points between the two sides of the third block and the telescopic frame.

Citation Information

Patent Citations

  • Safety protection net device for constructional engineering

    CN114319912A