Light full-automatic retractable protective net device
The protective netting device, driven by a magnetic fastening module and an electric drive linkage assembly, solves the problem of the welded protective frame's inability to automatically extend and retract. It enables the rapid deployment and storage of lightweight, impact-resistant protective netting, adapting to complex environments and ensuring convenient vehicle passage and escape.
Patent Information
- Application Number
- CN202511579970.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2025-12-16
AI Technical Summary
Existing welded protective frames cannot automatically extend or retract, have a fixed size, occupy a large space, cannot be used in complex environments, and are difficult to escape from after being destroyed.
The system employs a magnetic fastening module and an electric drive linkage assembly, combined with a motor drive system, to achieve automatic deployment and retraction of the protective net. It uses high-strength composite fiber materials and is equipped with a sensor module to detect external threats in real time and trigger a response.
It enables rapid deployment and storage of protective netting, adapts to complex terrain, ensures comprehensive coverage of key areas, and can be reused multiple times to maintain vehicle traffic flexibility.
Smart Images
Figure CN121140539A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of protective devices, and relates to a light full-automatic retractable protective net device. BACKGROUND
[0002] Under the existing environment, the welding protective frame is used to defend the air-drop bomb and suicide bomb attack of unmanned aerial vehicles on the top of tanks or howitzers and other special vehicles. The existing welding protective frame has the following disadvantages: fixed volume, unable to automatically extend and retract, large overall quality and large occupied space, only available in open environment, and the artillery cannot be quickly rotated or cannot be rotated after installation, and personnel escape is difficult after being destroyed. SUMMARY
[0003] In order to solve the above technical problems in the prior art, the present application provides a light full-automatic retractable protective net device, and the specific technical scheme is as follows: A light full-automatic retractable protective net device comprises a magnetic fastening module at the bottom, a lift-controllable stand column arranged on the magnetic fastening module, and upper and lower circular ring supports installed on the stand column; the upper circular ring support is fixedly installed at the top end of the stand column, and the lower circular ring support is slidingly arranged on the stand column; arc-shaped guide rails are installed on the two circular ring supports along the periphery thereof, and a plurality of arc-shaped sliding blocks are arranged on the arc-shaped guide rails; each arc-shaped sliding block on the upper circular ring support is hingedly connected with a long arc-shaped rod, and each arc-shaped sliding block on the lower circular ring support is connected with the rod body of the long arc-shaped rod through a hinge rod, so as to form a net rack; a protective net is installed on the net rack; an electric drive link assembly is further arranged on the lower circular ring support; the electric drive link assembly simultaneously drives two adjacent arc-shaped sliding blocks on the front side of the lower circular ring support to move towards each other or away from each other, so as to control the folding and opening of the net rack; and the net rack is expanded or retracted through the up-down sliding of the lower circular ring support and the hinge rod.
[0004] Further, the hinge rod comprises a hinge sleeve, a connecting rod and a hinge seat connected in sequence; the hinge sleeve is fixed on the rod body of the long arc-shaped rod; and the hinge seat is fixed on the arc-shaped sliding block.
[0005] Further, the electric drive link assembly comprises an electric motor, a speed reducer, a bevel gear box connected in sequence, and two connecting rods commonly meshed and connected at the output end of the bevel gear box; the two connecting rods are fixedly connected with the hinge seats on the two adjacent arc-shaped sliding blocks on the lower circular ring support, respectively.
[0006] Further, the tail part of the long arc-shaped rod is inwardly bent.
[0007] Further, two fixed arc-shaped sliding blocks are arranged on the rear side of the two circular ring supports.
[0008] Further, the magnetic fastening module comprises a magnetic base one and a support platform, the support platform comprises a triangular structure frame constructed by square tubes, and a hinged support fastened on the triangular structure frame by screws, and the magnetic base one is fixedly installed at the three triangular positions at the bottom of the triangular structure frame.
[0009] Further, the stand is fixedly connected at the bottom of the hinged support, and linear guides are arranged on the left and right sides of the stand body, and the sliders of the linear guides are fixedly connected with the lower circular ring support.
[0010] Further, the electric push rod one is fixedly installed on the hinged support and located at the front side of the stand.
[0011] Further, the magnetic base two is arranged at the front side area of the triangular structure frame, the electric push rod two is hingedly installed on the magnetic base two, the telescopic end of the electric push rod two is hingedly connected with a connecting fastener, and the connecting fastener is fixedly connected with the electric push rod one and the stand.
[0012] Further, the connecting fastener is clampedly connected with the body of the electric push rod one, a clamping groove is arranged at the rear end of the body of the connecting fastener, and the stand is embedded in the clamping groove and fastened by screws.
[0013] The present application has the advantages of easy dismounting and installation, easy carrying with vehicles, etc., and is different from the existing welded protective frame fixed volume, which cannot be automatically expanded and contracted, and can only be used in open environment. The present application can minimize the occupied volume when the net frame is opened, and facilitates the shuttle of special vehicles in complex terrain. In addition, the device realizes the automatic expansion and contraction of the protective net through a motor drive system, cooperates with a sensor module to realize real-time sensing of external threats and triggers a response mechanism. The protective net is made of high-strength composite fiber material, which has the advantages of light weight and impact resistance, and can be repeatedly used. The overall structure is folded and placed in the storage cabin on the top of the vehicle, without increasing additional exposed parts, and the flexibility of vehicle passing is maintained. When receiving an instruction or detecting a nearby threat, the control system starts the expansion program, and the protective form deployment is completed within a few seconds to ensure full coverage of the key area. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structure schematic view of a net frame folding state of a light full-automatic retractable protective net device according to an embodiment of the present application; Figure 2 is a structure schematic view of a net frame opening state of a light full-automatic retractable protective net device according to an embodiment of the present application; In the figure, 1 - column, 2 - upper circular ring support, 3 - lower circular ring support, 4 - arc-shaped guide rail, 5 - arc-shaped slider, 6 - long arc-shaped rod, 7 - hinged sleeve, 8 - connecting rod, 9 - hinged seat, 10 - magnetic seat one, 11 - triangular structure frame, 12 - hinged support, 13 - linear guide rail, 14 - electric push rod one, 15 - magnetic seat two, 16 - electric push rod two, 17 - connecting fastener, 18 - motor, 19 - speed reducer, 20 - bevel gear box, 21 - connecting rod, 22 - top of special vehicle. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical scheme and technical effect of the present application clearer, the present application is further described in detail below in combination with the drawings and examples of the present application.
[0016] As shown in Figure 1 and Figure 2 , a light full-automatic retractable protective net device of the present embodiment, which comprises a bottom magnetic fastening module and a retractable net mechanism installed above the magnetic fastening module, the magnetic fastening module is installed on the top of a special vehicle 22, and the retractable net mechanism specifically comprises: a column 1 arranged on the magnetic fastening module and capable of being controlled to rise and fall, an upper circular ring support 2 and a lower circular ring support 3 are installed on the column 1, the upper circular ring support 2 is fixedly installed on the top end of the column 1, and the lower circular ring support 3 is slidingly arranged on the column 1, arc-shaped guide rails 4 are installed on the periphery of the two circular ring supports, and a plurality of arc-shaped sliders 5 are arranged, each arc-shaped slider 5 on the upper circular ring support 2 is hinged to a long arc-shaped rod 6, and each arc-shaped slider 5 on the lower circular ring support 3 is connected to the rod body of the long arc-shaped rod 6 through a hinged rod, thereby forming a net frame, a protective net is installed on the net frame, and the protective net is made of high-strength composite fiber material. An electric drive connecting rod assembly is further arranged on the lower circular ring support 3, the electric drive connecting rod assembly simultaneously drives two adjacent arc-shaped sliders 5 on the front side of the lower circular ring support 3 to move towards each other or away from each other, thereby controlling the folding and opening of the net frame. When the protective net is opened, the net frame is folded, and the spacing between the arc-shaped sliders 5 can be distributed by the tension of the protective net between the long arc-shaped rods 6; when the protective net is closed, the net frame is opened, and the remaining arc-shaped sliders 5 are gradually pushed to the rear side and closely attached by the driven arc-shaped sliders 5. Two fixed arc-shaped sliders 5 are arranged on the rear side of the two circular ring supports.
[0017] Specifically, the hinged rod comprises a hinged sleeve 7, a connecting rod 8 and a hinged seat 9 connected in sequence, the hinged sleeve 7 is fixed on the rod body of the long arc-shaped rod 6, and the hinged seat 9 is fixed on the arc-shaped slider 5.
[0018] The magnetic fastening module comprises a magnetic base 10 and a support platform, the support platform comprises a triangular structure 11 constructed by square tubes, and a hinged support 12 fastened on the triangular structure 11 by screws, and the magnetic base 10 is fixedly installed at the three corners of the bottom of the triangular structure 11.
[0019] The bottom of the column 1 is fixedly connected to the hinged support 12, and the column 1 is provided with linear guides 13 on the left and right sides of the column 1 body, and the sliders of the linear guides 13 are fixedly connected to the lower circular ring support 3.
[0020] The hinged support 12 is further provided with an electric push rod 14 fixedly installed on the front side of the column 1, and the telescopic end of the electric push rod 14 is fixedly connected to the connecting block on the lower circular ring support 3. The telescopic movement of the electric push rod 14 drives the lower circular ring support 3 to slide up and down along the linear guides 13 on the column 1.
[0021] The front side of the triangular structure 11 is further provided with a magnetic base 15 for magnetic fastening to the surface of the vehicle, the magnetic base 15 is hingedly installed with an electric push rod 16, the telescopic end of the electric push rod 16 is hingedly connected with a connecting buckle 17, one end of the connecting buckle 17 is clamped to the body of the electric push rod 14, and the other end is provided with a clamping groove and embeds the column 1 in the clamping groove and is fastened by screws. The telescopic movement of the electric push rod 16 drives the column 1 to rotate through the hinged support 12 to complete the lifting and falling.
[0022] The electric drive connecting rod assembly comprises an electric motor 18, a speed reducer 19, a bevel gear box 20 connected in sequence, and two connecting rods 21 jointly meshed and connected at the output end of the bevel gear box 20, and the two connecting rods 21 are fixedly connected with the hinged seats 9 on the two adjacent arc-shaped sliders 5 on the lower circular ring support 3.
[0023] In actual application, the magnetic fastening module of the device is first installed above the special vehicle by manual operation, and then the retractable net mechanism is lifted to the upper side of the magnetic fastening module and connected and installed with the magnetic fastening module. The power signal line is connected with the electric box part. After installation, the power is turned on.
[0024] When a person enters the vehicle cabin and presses the remote control button to start the controller, the retractable net mechanism is turned up by 90° under the drive of the electric push rod 16, and is driven upward along the axial direction by the electric push rod 14 on the side of the column 1, and is smoothly unfolded to the surrounding upward by the hinged rod, and the net frame is slid along the circular arc direction by the power transmission of the electric motor 18, the speed reducer 19, the bevel gear box 20, the connecting rod 21 and the arc-shaped slider 5. The three actions of the electric push rod 14, the electric push rod 16 and the electric motor 18 have a certain sequence and cooperation opening relationship. Finally, the protective net is completely opened above the vehicle.
[0025] The device realizes automatic expansion and contraction of the protective net through a motor driving system, cooperates with a sensor module to realize real-time sensing of external threats and triggers a response mechanism. The protective net adopts high-strength composite fiber material, has light weight and impact resistance, and can be repeatedly used. The overall structure can be folded and placed in a storage cabin on the top of the vehicle, without adding additional exposed parts, and the flexibility of the vehicle passing through is maintained. When receiving an instruction or detecting a nearby threat, the control system starts the expansion program, and the protective form deployment is completed within a few seconds to ensure full coverage of the key area.
[0026] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the foregoing has described the implementation process of the present application in detail, those skilled in the art can still modify the technical solutions recorded in the foregoing examples or replace some of the technical features equivalently. Any modification, equivalent replacement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A lightweight, fully automatic, retractable protective netting device, characterized in that, The system includes a magnetic fastening module at the bottom, on which a column (1) with lifting and lowering control is installed. Two layers of circular brackets are mounted on the column (1). The upper circular bracket (2) is fixedly installed at the top of the column (1), and the lower circular bracket (3) is slidably mounted on the column (1). Both circular brackets have arc-shaped guide rails (4) installed along their perimeters, and several arc-shaped sliders (5) are provided. Each arc-shaped slider (5) on the upper circular bracket (2) is hinged to a long arc-shaped rod (6). The lower circular bracket… Each arc-shaped slider (5) on (3) is connected to the rod body of the long arc-shaped rod (6) through a hinge rod, thereby forming a mesh frame, on which a protective net is installed; the lower ring support (3) is also provided with an electric drive linkage assembly, which simultaneously drives two adjacent arc-shaped sliders (5) located on the front side of the lower ring support (3), so that the two move towards each other or away from each other, thereby controlling the mesh frame to close and open, and through the up and down sliding of the lower ring support (3), the mesh frame is expanded or contracted through the hinge rod.
2. The lightweight fully automatic retractable protective netting device as described in claim 1, characterized in that, The hinge rod includes a hinge sleeve (7), a connecting rod (8), and a hinge seat (9) connected in sequence. The hinge sleeve (7) is fixed on the rod body of the long arc rod (6), and the hinge seat (9) is fixed on the arc slider (5).
3. The lightweight fully automatic retractable protective netting device as described in claim 2, characterized in that, The electric drive linkage assembly includes a motor (18), a reducer (19), a bevel gearbox (20) connected in sequence, and two connecting rods (21) meshing with each other at the output end of the bevel gearbox (20). The two connecting rods (21) are respectively fixedly connected to the hinge seats (9) on two adjacent arc-shaped sliders (5) on the lower ring bracket (3).
4. The lightweight fully automatic retractable protective netting device as described in claim 1, characterized in that, The long arc-shaped rod (6) is bent inward at the tail.
5. The lightweight fully automatic retractable protective netting device as described in claim 1, characterized in that, Two fixed arc-shaped sliders (5) are provided on the rear side of both ring supports.
6. The lightweight fully automatic retractable protective netting device as described in claim 1, characterized in that, The magnetic fastening module includes a magnetic base (10) and a support platform. The support platform includes a triangular frame (11) constructed with square tubing and a hinged support (12) fastened to the triangular frame (11) by screws. The magnetic base (10) is fixedly installed at the triangular position at the bottom of the triangular frame (11).
7. The lightweight fully automatic retractable protective netting device as described in claim 6, characterized in that, The bottom of the column (1) is fixedly connected to the hinge support (12). The column (1) body is provided with linear guide rails (13) on the left and right sides, and the slider of the linear guide rail (13) is fixedly connected to the lower ring bracket (3).
8. The lightweight fully automatic retractable protective netting device as described in claim 6, characterized in that, On the hinged support (12), an electric push rod (14) is fixedly installed on the front side of the column (1). The telescopic end of the electric push rod (14) is connected to the lower ring bracket (3).
9. The lightweight fully automatic retractable protective netting device as described in claim 8, characterized in that, A magnetic base two (15) is provided on the front side of the triangular structure frame (11). An electric push rod two (16) is hinged on the magnetic base two (15). A connecting fastener (17) is hinged to the top of the telescopic end of the electric push rod two (16), and the connecting fastener (17) is fixedly connected to the electric push rod one (14) and the column (1).
10. The lightweight fully automatic retractable protective netting device as described in claim 9, characterized in that, The connecting fastener (17) is connected to the main body of the electric push rod (14) by a clamp, and a slot is provided at the rear end of the connecting fastener (17) and is fitted into the column (1) and then fastened by screws.