Metal mine safety protection net device
By designing transmission components and buffer mechanisms, the height of the protective netting can be adjusted and the impact force can be reduced, thus solving the problem of fixed netting height and improving the practicality and protective effect of safety netting in metal mines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINCHUAN GROUP NICKEL COBALT CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-05-01
AI Technical Summary
The existing safety nets in metal mines have a fixed height and cannot be adjusted according to the situation, resulting in low practicality.
A transmission assembly is used to move the additional plate up and down inside the protective plate, adjusting the protective height. Combined with a buffer mechanism and support components, the impact force is reduced, improving the adaptability and protective effect of the protective net.
The height of the protective netting is adjustable, which enhances its adaptability to different slopes, reduces the damage of ore to the protective netting and the surrounding environment, and reduces potential hazards.
Smart Images

Figure CN224187608U_ABST
Abstract
Description
A safety net device for metal mines Technical Field
[0001] This utility model relates to the field of protective netting technology, and in particular to a safety protective netting device for metal mines. Background Technology
[0002] A metal mine is a production and operation unit that extracts metal mineral resources. Based on the mining method, metal mines can be divided into open-pit mines and underground mines.
[0003] Patent document CN218150175U discloses a safety protection device for non-metallic mining, including a protective net, two support columns, and a lighting mechanism located on the support columns. A warning mechanism is provided on one side of each support column. The warning mechanism includes rectangular grooves on the top and bottom of the outer walls on both sides of the support column, and limiting rods are installed at the top and bottom of the rectangular grooves. By providing a warning mechanism, when ore hits the protective net, it causes the limiting block and buffer spring to move on the limiting rods, thus buffering the protective net. When the impact force of the ore is strong, the limiting block moves and hits the pressure sensor. The pressure sensor receives the signal and transmits the signal to the processor. The processor controls the wireless transceiver to transmit the signal to outside personnel, so that workers can check in time, clean up the site, and prevent the protective device from being damaged or malfunctioning.
[0004] Although the high-speed device can move the limiting block and buffer spring on the limiting rod when the ore hits the protective net, thus buffering the protective net, the height of the protective net is fixed and cannot be adjusted according to the situation, which makes the protective device less practical. Therefore, we provide a metal mine safety protective net device to improve this problem. Summary of the Invention
[0005] To overcome the above shortcomings, this utility model provides a safety protection net device for metal mines, which aims to improve the problem that the height of the protective net in the prior art is fixed and cannot be adjusted according to the situation, resulting in low practicality of the protective device.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a safety net device for metal mines, comprising a protective plate, characterized in that: an additional plate is sleeved inside the protective plate, a protective net is fixedly installed inside both the additional plate and the protective plate, a transmission component is provided at the connection between the protective plate and the additional plate, hinges are fixedly installed at both ends of the top of the additional plate, and a rotating rod is sleeved inside the hinge, a buffer mechanism is fixedly installed at one end of the rotating rod, and a support component is provided through the rear side of the additional plate;
[0007] The number of transmission components is two. Each transmission component includes a screw and a main bevel gear. The main bevel gear is fixedly installed at the bottom outer end of the screw. An auxiliary plate is sleeved on the outer side of the screw, and the connection between the auxiliary plate and the screw is provided with matching threads. A secondary bevel gear is provided on one side of the main bevel gear. A torsion block is fixedly installed at one end of the secondary bevel gear, and the other end of the torsion block extends through to the outside of the protective plate.
[0008] As a further description of the above technical solution:
[0009] The buffer mechanism includes a support plate and spring shock absorbers. Multiple spring shock absorbers are fixedly installed on the top of the support plate. A damping plate is fixedly installed on the top of each spring shock absorber. A buffer pad made of rubber is fixedly installed on the top of each damping plate. A bracket is symmetrically installed at the other end of the support plate, and the bracket is connected to the support plate by a hinge.
[0010] As a further description of the above technical solution:
[0011] The support assembly includes a placement slot and a fixing plate. The placement slot is provided through the rear side of the additional plate, and the fixing plate is hinged inside the placement slot. There are two fixing plates and two placement slots. Multiple insertion ports are provided through the top of the fixing plate, and the bottom of the bracket is movably connected to the insertion ports.
[0012] As a further description of the above technical solution:
[0013] The additional plate is movably connected to the protective plate. The protective plate has an internal movable groove that matches the additional plate and extends through one side surface of the protective plate.
[0014] As a further description of the above technical solution:
[0015] The bottom of the protective plate is serrated, and support frames are fixedly installed at both ends of the protective plate, with ground nails penetrating through the top of the support frames.
[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are as follows:
[0017] 1. In this utility model, by setting a transmission component to drive the auxiliary plate to move up and down inside the protective plate, the protective height of the protective net can be adjusted and increased, so that it can match the slopes of metal mines of different heights, thereby increasing the practicality of the protective net.
[0018] 2. In this utility model, by setting up a support component in conjunction with a buffer mechanism, the impact force of the ore can be reduced, thereby reducing the damage of the impact force to the protective net surface, thus achieving the protection of the protective net, and at the same time reducing its potential harm to the surrounding environment and personnel. Attached Figure Description
[0019] Figure 1 is a perspective view of the protective plate structure of a metal mine safety protection net device proposed in this utility model;
[0020] Figure 2 is a perspective view of the connection structure of the protective plate, the auxiliary plate and the buffer pad of the metal mine safety protection net device proposed in this utility model.
[0021] Figure 3 is a side sectional view of the protective plate of a metal mine safety protection net device proposed in this utility model;
[0022] Figure 4 is a plan view of the support plate and bracket connection structure of a metal mine safety protection net device proposed in this utility model.
[0023] Legend:
[0024] 1. Protective plate; 2. Additional plate; 3. Protective net; 4. Rotating rod; 5. Screw; 6. Main bevel gear; 7. Secondary bevel gear; 8. Torque block; 9. Support plate; 10. Spring shock absorber; 11. Shock absorber plate; 12. Buffer pad; 13. Bracket; 14. Placement slot; 15. Fixing plate; 16. Insertion port; 17. Support frame; 18. Ground nail. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Referring to Figures 1-4, one embodiment of this utility model is provided: a safety net device for metal mines, including a protective plate 1, characterized in that: an additional plate 2 is sleeved inside the protective plate 1, a protective net 3 is fixedly installed inside both the additional plate 2 and the protective plate 1, a transmission component is provided at the connection between the protective plate 1 and the additional plate 2, hinges are fixedly installed at both ends of the top of the additional plate 2, and a rotating rod 4 is sleeved inside the hinge, a buffer mechanism is fixedly installed at one end of the rotating rod 4, and a support component is provided through the rear side of the additional plate 2;
[0027] The transmission assembly consists of two parts, including a screw 5 and a main bevel gear 6. The main bevel gear 6 is fixedly installed at the bottom outer end of the screw 5. An auxiliary plate 2 is sleeved on the outer side of the screw 5, and the connection between the auxiliary plate 2 and the screw 5 is provided with matching threads. A secondary bevel gear 7 is provided on one side of the main bevel gear 6. A torsion block 8 is fixedly installed at one end of the secondary bevel gear 7, and the other end of the torsion block 8 extends through to the outside of the protective plate 1.
[0028] In this embodiment: by setting the torsion block 8 to drive the secondary bevel gear 7 to mesh with the main bevel gear 6, and by setting the main bevel gear 6 to drive the screw 5 to rotate, the screw 5 drives the auxiliary plate 2 to move up and down inside the protective plate 1 under the rotation of the screw thread, thereby driving the auxiliary plate 2 to increase the protection height of the protective plate 1, so that it can match the metal mine slopes of different heights, thereby increasing the practicality of the protective net 3. By setting multiple protective nets 3, the interception of ore falling on the metal mine slope can be achieved, thereby helping to ensure the safety below the metal mine slope.
[0029] The buffer mechanism includes a support plate 9 and spring shock absorbers 10. Multiple spring shock absorbers 10 are fixedly installed on the top of the support plate 9. A damping plate 11 is fixedly installed on the top of the spring shock absorber 10. A buffer pad 12 is fixedly installed on the top of the damping plate 11. The buffer pad 12 is made of rubber. A bracket 13 is symmetrically installed on the other end of the support plate 9. The bracket 13 is connected to the support plate 9 through a hinge.
[0030] In this embodiment: by setting two brackets 13 at the bottom of the support plate 9, the brackets 13 are flipped and inserted into the socket 16 during support, thereby driving the support plate 9 to adjust to different tilt angles. By setting a buffer pad 12, the properties of its rubber material can appropriately slow down the ore. By setting a spring shock absorber 10 for shrinkage and buffering, the buffering force is effectively absorbed. The ore with a certain impact force rolls down through the tilt angle of the shock absorber plate 11, ensuring that the ore will not bounce off the mine slope and injure personnel and vehicles. On the other hand, it can also reduce the impact force on the protective net 3, thereby achieving the protection of the protective net 3.
[0031] The support assembly includes a placement slot 14 and a fixing plate 15. The placement slot 14 is provided through the rear side of the auxiliary plate 2, and the fixing plate 15 is provided with an internal hinge in the placement slot 14. There are two fixing plates 15 and two placement slots 14. Multiple insertion ports 16 are provided through the top of the fixing plate 15, and the bottom of the bracket 13 is movably connected to the insertion ports 16.
[0032] In this embodiment: by setting up a placement slot 14 and a fixing plate 15, the placement slot 14 can store the fixing plate 15, and the fixing plate 15 can also be flipped to 90° in the placement slot 14 under the movable connection of the hinge to provide a certain degree of support. At the same time, the support plate 9 can be adjusted to different tilt angles through different insertion ports 16 on the top of the fixing plate 15.
[0033] The auxiliary plate 2 is movably connected to the protective plate 1. The protective plate 1 has an internal movable groove that matches the auxiliary plate 2, and the movable groove extends through one side surface of the protective plate 1.
[0034] In this embodiment: by setting a movable groove, the auxiliary plate 2 can move up and down inside the protective plate 1 through the movable groove. At the same time, the movable groove penetrates one side surface of the protective plate 1, that is, it is open, which makes it easy to insert the bracket 13 and the fixed plate 15.
[0035] The bottom of the protective plate 1 is serrated, and support frames 17 are fixedly installed at both ends of the protective plate 1. A ground nail 18 is installed through the top of the support frame 17.
[0036] In this embodiment: by setting ground nails 18 to be inserted into the soil, the protective plate 1 is installed on the edge of the metal mine that needs protection. By setting the bottom of the protective plate 1 to be serrated, the friction between the protective plate 1 and the ground can be increased.
[0037] The implementation principle of this embodiment of a metal mine safety protection net device is as follows: During installation, the serrated edge of the protective plate 1 is brought into contact with the ground to increase friction. Then, the support frame 17 is fixed to the ground by inserting ground nails 18 to reinforce the protective plate 1. During the support process, the rotating torsion block 8 drives the secondary bevel gear 7 to mesh with the main bevel gear 6, causing the main bevel gear 6 to drive the screw 5 to rotate. The screw 5 then drives the auxiliary plate 2 to move up and down inside the protective plate 1, thereby increasing the protection height of the protective plate 1 so that it can match the slopes of metal mines of different heights, thus increasing the practicality of the protective net 3. Then, the fixing plate 15 in the placement groove 14 is extended, and the two supports 13 at the bottom of the support plate 9 are extended. Flip it over and insert its bottom into the socket 16. Different sockets 16 can drive the support plate 9 to adjust to different tilt angles. Once the ore falls from the slope, some parabolic ore will hit the buffer pad 12. Some of the impact force is appropriately reduced by the material of the buffer pad 12. At the same time, the impact force will also cause the shock absorber 11 to press down, which will drive the spring shock absorber 10 at the bottom to contract and buffer, effectively absorbing the buffer force. The ore with reduced impact force rolls down along the tilt angle of the shock absorber 11, ensuring that the ore will not bounce off the direction of the mine slope and injure people and vehicles. On the other hand, it can also reduce the impact force on the protective net 3, thereby protecting the protective net 3. The ore falling down the metal mine slope is intercepted by the two protective nets 3.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A safety protection netting device for metal mines, comprising a protective plate (1), characterized in that: An additional plate (2) is fitted inside the protective plate (1). A protective net (3) is fixedly installed inside both the additional plate (2) and the protective plate (1). A transmission assembly is installed at the connection between the protective plate (1) and the additional plate (2). A hinge is fixedly installed at both ends of the top of the additional plate (2), and a rotating rod (4) is fitted inside the hinge. A buffer mechanism is fixedly installed at one end of the rotating rod (4). A support assembly is installed through the rear side of the additional plate (2). There are two transmission assemblies. The transmission assembly includes a screw (5) and a main bevel gear (6). The main bevel gear (6) is fixedly installed at the bottom outer end of the screw (5). An additional plate (2) is fitted on the outside of the screw (5), and a matching thread is installed at the connection between the additional plate (2) and the screw (5). A secondary bevel gear (7) is installed on one side of the main bevel gear (6). A torsion block (8) is fixedly installed at one end of the secondary bevel gear (7), and the other end of the torsion block (8) extends through to the outside of the protective plate (1).
2. The safety protection netting device for metal mines according to claim 1, characterized in that: The buffer mechanism includes a support plate (9) and spring shock absorbers (10). Multiple spring shock absorbers (10) are fixedly installed on the top of the support plate (9). A damping plate (11) is fixedly installed on the top of the spring shock absorber (10). A buffer pad (12) is fixedly installed on the top of the damping plate (11). The buffer pad (12) is made of rubber. A bracket (13) is symmetrically installed at the other end of the support plate (9). The bracket (13) is connected to the support plate (9) through a hinge.
3. The metal mine safety protection net device according to claim 2, characterized in that: The support assembly includes a placement slot (14) and a fixing plate (15). The rear side of the auxiliary plate (2) is provided with a placement slot (14), and the placement slot (14) is hinged to a fixing plate (15). There are two fixing plates (15) and two placement slots (14). The top of the fixing plate (15) is provided with multiple insertion ports (16), and the bottom of the bracket (13) is movably connected to the insertion ports (16).
4. A safety protection net device for metal mines according to claim 3, characterized in that: The additional plate (2) is movably connected to the protective plate (1). The protective plate (1) has an active groove inside that matches the additional plate (2), and the active groove penetrates one side surface of the protective plate (1).
5. A safety protection net device for metal mines according to claim 4, characterized in that: The bottom of the protective plate (1) is serrated, and support frames (17) are fixedly installed at both ends of the protective plate (1), and ground nails (18) are installed through the top of the support frames (17).
Citation Information
Patent Citations
Safety protection device for mining of non-metal mine
CN218150175U