Stone falling prevention net for safety prevention

Abstract

The utility model discloses an anti-rockfall net for safety prevention, relates to the technical field of anti-rockfall nets, and aims to solve the problems that the installation process of the anti-rockfall net is tedious, and the anti-rockfall net is easy to loosen and fall off at the installation joint when being impacted by rockfall, the anti-rockfall net comprises an installation frame, and installation grooves are formed in the inner walls of the two sides of the installation frame; mounting plates are inserted into the mounting grooves, the same protective net is mounted between the outer walls of the close sides of the two mounting plates, and connecting mechanisms are arranged on the two sides of the outer wall of the rear end of the mounting frame. A pull rod is pulled downwards to separate a locking rod from a locking groove, a rotating wheel is rotated to drive a moving plate through a lead screw to drive an inserting rod to be inserted into an inserting hole, installation of a protective net is achieved, after the pull rod is loosened, a spring pushes the locking rod to be inserted into the corresponding locking groove, the rotating wheel is locked and limited, and the safety of the protective net is guaranteed. The problems that the installation process of the anti-rockfall net is tedious, and when the anti-rockfall net is impacted by falling rocks, the installation connecting position is prone to loosening and falling off are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rockfall prevention net, and specifically relates to a rockfall prevention net for safety prevention. BACKGROUND

[0002] Rockfall prevention net, also known as rockfall protection net or flexible protection net, is a net structure made of high-strength material, used to intercept and prevent rockfall from causing damage to the area below, and is widely used in slope protection engineering of railways, highways, tunnels, mines, hydropower stations and the like.

[0003] In the prior art, the rockfall prevention net is installed between the fixed rods, and a large number of bolts are required for the connection between the rockfall prevention net and the fixed rods, which leads to a relatively cumbersome installation process of the rockfall prevention net, and a large amount of manpower and time is consumed. Meanwhile, after the installation of the rockfall prevention net is completed, the connection between the rockfall prevention net and the fixed rods often lacks sufficient stability and safety, and when subjected to the impact of rockfall, the connection is prone to loosening or even falling off, thereby reducing the protection effect of the rockfall prevention net.

[0004] Therefore, there is a need for a rockfall prevention net for safety prevention to solve the problems of a relatively cumbersome installation process of the rockfall prevention net in the prior art, and loosening of the installation connection of the rockfall prevention net caused by the impact of rockfall. SUMMARY

[0005] The utility model aims to provide a rockfall prevention net for safety prevention to solve the problems of a relatively cumbersome installation process of the rockfall prevention net in the prior art, and loosening of the installation connection of the rockfall prevention net caused by the impact of rockfall.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rockfall prevention net for safety prevention, comprising a mounting frame, mounting grooves are formed in the inner walls of both sides of the mounting frame, mounting plates are inserted into the mounting grooves, the same protective net is mounted between the outer walls of the sides of the two mounting plates, and connecting mechanisms are arranged on the outer walls of both sides of the rear end of the mounting frame.

[0007] Each group of connecting mechanisms comprises a shell, the shell is fixedly connected to the rear end outer wall of the mounting frame, sliding grooves are formed in the top surface and the bottom surface of the shell, sliding blocks are slidingly connected in the sliding grooves, the same moving plate is fixedly connected between the two sliding blocks, a plurality of insertion rods are fixedly connected to the front end outer wall of the moving plate in a uniform distribution, a lead screw is rotatably connected between the center of the rear end inner wall of the shell and the rear end wall of the mounting frame, a rotating wheel is rotatably connected to the rear end outer wall of the lead screw and coaxially fixed to the rear end outer wall of the shell, and a locking assembly is arranged on the rear end outer wall of the shell.

[0008] It needs to be explained in the scheme that the locking assembly comprises a fixed column and a plurality of circumferentially distributed locking grooves, the fixed column is fixedly connected to the rear end outer wall of the shell, a sliding cavity is coaxially arranged in the fixed column, a locking rod is coaxially arranged in the sliding cavity, a sliding plate that is in sliding cooperation with the sliding cavity is tightly sleeved on the outer surface of the locking rod, a spring is sleeved on the outer surface of the locking rod, a pull rod is slidably arranged through the bottom end of the fixed column and is fixedly connected to the bottom end of the locking rod, and the plurality of locking grooves are arranged on the outer surface of the rotating wheel and are matched with the locking rod.

[0009] It is further worth mentioning that a plurality of evenly distributed insertion holes are arranged through the front end outer wall of the mounting plate, and traction ropes are mounted on the top of the front end outer wall of the mounting frame on both sides.

[0010] It is further worth mentioning that the mounting frame is mounted with a fixed plate on both sides of the bottom surface through a rotating seat, and two parallel distributed bolts are threadedly inserted through the top surface of the fixed plate.

[0011] As a preferred embodiment, each of the lead screws is threadedly inserted through the corresponding moving plate, the top end of each of the locking rods is slidably inserted through the top end of the corresponding fixed column and into one of the locking grooves in the corresponding rotating wheel, and the bottom end and the top end of each of the springs are fixedly connected to the bottom end of the corresponding sliding cavity and the bottom end of the corresponding sliding plate, respectively.

[0012] As a preferred embodiment, the plurality of insertion rods on each of the moving plates are one-to-one corresponding to and matched with the plurality of insertion holes on the corresponding mounting plate, and each of the insertion rods is slidably inserted through the rear end wall of the corresponding mounting groove and into the corresponding insertion hole.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. By pulling down the pull rod, the locking rod is separated from the locking groove, the locking of the rotating wheel is released, the rotating wheel is rotated to drive the moving plate to move through the lead screw, the moving plate drives the insertion rod to be inserted into the insertion hole, the mounting plate is fixed, the installation of the protective net is realized, the operation is simple, and the problem that the installation process of the rockfall prevention net is relatively complicated is effectively avoided.

[0015] 2. By arranging the spring, after the pull rod is loosened, the spring pushes the locking rod to be inserted into the corresponding locking groove, the rotating wheel is locked and positioned, the vibration of the protective net caused by the impact of the falling rock during use is avoided, the phenomenon that the installation connection is loosened and falls off is avoided, the safety of the protective net during use is improved, and the problem that the installation connection of the rockfall prevention net is easily loosened and falls off when impacted by the falling rock is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a front view structural diagram of the protective net of this utility model;

[0018] Figure 3 This is a side sectional view of the mounting frame and one of the housings of this utility model.

[0019] Figure 4 This is a side view sectional structural diagram of one of the fixed columns of this utility model.

[0020] The following are the labeling elements in the diagram: 1. Mounting frame; 2. Mounting groove; 3. Mounting plate; 4. Protective net; 5. Connecting mechanism; 51. Housing; 52. Slide groove; 53. Slider; 54. Moving plate; 55. Insert rod; 56. Lead screw; 57. Rotary wheel; 58. Locking assembly; 581. Fixed column; 582. Slide cavity; 583. Locking rod; 584. Slide plate; 585. Spring; 586. Pull rod; 587. Locking groove; 6. Insertion hole; 7. Traction rope; 8. Fixed plate; 9. Bolt. Detailed Implementation

[0021] 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.

[0022] Example: Figures 1-4 As shown, this utility model provides a technical solution, including a mounting frame 1, mounting grooves 2 are provided on both inner walls of the mounting frame 1, mounting plates 3 are inserted into the mounting grooves 2, the same protective net 4 is installed between the outer walls of the two mounting plates 3 that are close to each other, and connecting mechanisms 5 are provided on both sides of the outer wall of the rear end of the mounting frame 1.

[0023] Each set of connecting mechanisms 5 includes a housing 51, which is fixedly connected to the outer wall of the rear end of the mounting frame 1. The top and bottom surfaces of the housing 51 are provided with sliding grooves 52. Sliding sliders 53 are slidably connected inside the sliding grooves 52. The same moving plate 54 is fixedly connected between two sliding sliders 53. Multiple evenly distributed insert rods 55 are fixedly connected to the outer wall of the front end of the moving plate 54. A lead screw 56 is rotatably connected between the center of the rear end wall of the housing 51 and the rear end wall of the mounting frame 1. The outer wall of the rear end of the lead screw 56 rotatably passes through the outer wall of the rear end of the housing 51 and is coaxially fixedly connected to a rotating wheel 57. A locking assembly 58 is provided on the outer wall of the rear end of the housing 51.

[0024] Further as Figure 3 and Figure 4As shown in FIG. 1, 2 and 3, the locking assembly 58 comprises a fixed column 581 fixedly connected to the outer wall of the rear end of the shell 51, a sliding cavity 582 coaxially arranged in the fixed column 581, a locking rod 583 coaxially arranged in the sliding cavity 582, a sliding plate 584 tightly sleeved on the outer surface of the locking rod 583 and in sliding fit with the sliding cavity 582, a spring 585 sleeved on the outer surface of the locking rod 583, a pull rod 586 coaxially and fixedly connected to the bottom end of the fixed column 581 and slidingly penetrating through the bottom end of the fixed column 581, and a plurality of locking grooves 587 arranged on the outer surface of the rotating wheel 57 and matched with the locking rod 583.

[0025] Further as shown in FIG. 4 and 5, Figure 1 and Figure 2 As shown in FIG. 4 and 5, the outer wall of the front end of the mounting plate 3 is provided with a plurality of insertion holes 6 arranged uniformly and penetratingly, and the top of the outer wall of the front end of the mounting frame 1 is provided with traction ropes 7 on both sides.

[0026] Further as shown in FIG. 6, Figure 1 As shown in FIG. 6, the bottom surface of the mounting frame 1 is provided with fixed plates 8 on both sides through rotating seats, and the top surface of the fixed plate 8 is provided with two bolts 9 arranged in parallel and penetratingly and in threaded fit.

[0027] Further as shown in FIG. 7 and 8, Figure 3 and Figure 4 As shown in FIG. 7 and 8, each of the lead screws 56 is in threaded fit with the corresponding moving plate 54, and under the threaded action, the moving plate 54 is driven to move by the rotation of the lead screw 56. The top end of each of the locking rods 583 is slidingly penetrating through the top end of the corresponding fixed column 581 and inserted into one of the locking grooves 587 on the corresponding rotating wheel 57. The rotating wheel 57 is locked by the cooperation of the locking rod 583 and the locking groove 587, thereby improving the stability of the protective net 4 after installation. The bottom end and the top end of each of the springs 585 are fixedly connected to the bottom end in the corresponding sliding cavity 582 and the bottom end of the corresponding sliding plate 584, respectively. The stability of the locking rod 583 after being inserted into the locking groove 587 is improved by the elastic action of the spring 585.

[0028] Further as shown in FIG. 9 and 10, Figure 2 and Figure 3 As shown in FIG. 9 and 10, the plurality of insertion rods 55 on each of the moving plates 54 are one-to-one corresponding to and matched with the plurality of insertion holes 6 on the corresponding mounting plate 3. Each of the insertion rods 55 is slidingly penetrating through the rear end wall in the corresponding mounting groove 2 and inserted into the corresponding insertion hole 6. The insertion rod 55 is moved by the moving plate 54. The protective net 4 is conveniently installed and disassembled under the cooperation of the insertion rod 55 and the insertion hole 6.

[0029] In summary: the anti-rockfall net in use, through the traction rope 7, fixed plate 8 and bolt 9 will install frame 1 installation fixed in the purpose area, the installation plate 3 of the both sides of the protective net 4 is inserted into the two installation slot 2 on the installation frame 1 after, pull down the pull rod 586 and drive the locking rod 583 and the corresponding one locking slot 587 is separated, the locking of the rotating wheel 57 is released, the rotating wheel 57 is driven to rotate the screw rod 56, under the sliding fit of the sliding groove 52 and the sliding block 53, the screw rod 56 is driven to move the moving plate 54 by the action of the screw thread, the moving plate 54 drives the plug rod 55 to be inserted into the inside of the corresponding insertion hole 6, after operating two rotating wheels 57 in turn, make every plug rod 55 be inserted into the inside of the corresponding insertion hole 6, complete the installation of two installation plates 3, so as to realize the installation of the protective net 4, simple operation, effectively avoid the problem that the anti-rockfall net installation process is more complicated.

[0030] In the process of installing the protective net 4, when pulling down the pull rod 586 drives the locking rod 583 to separate from the corresponding locking slot 587, the pull rod 586 drives the sliding plate 584 to slide in the sliding cavity 582, the sliding plate 584 extrudes the spring 585, the spring 585 is contracted under stress, after completing the installation of the protective net 4, the pull rod 586 is loosened, the locking rod 583 is inserted into the corresponding locking slot 587 under the elastic action of the spring 585, the rotating wheel 57 is relocked and positioned, the vibration of the protective net 4 caused by the impact of falling rocks in use is avoided, so as to avoid the phenomenon that the installation connection is loose and falls off, the safety of the protective net 4 in use is improved, and the problem that the installation connection of the anti-rockfall net is easy to be loose and fall off when impacted by falling rocks is effectively avoided.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A rockfall prevention net for safety, comprising a mounting frame (1), characterized in that: Both sides of the installation frame (1) are provided with installation grooves (2), and the installation grooves (2) are internally inserted with installation plates (3); the outer walls of the two installation plates (3) are provided with the same protective net (4) on the same side; and the rear end of the installation frame (1) is provided with connecting mechanisms (5) on both sides of the outer wall. Each of the connecting mechanisms (5) comprises a shell (51) fixedly connected to the rear end of the installation frame (1), and the inner top and bottom surfaces of the shell (51) are provided with sliding grooves (52); the sliding grooves (52) are internally and slidably connected with sliding blocks (53); the sliding blocks (53) are fixedly connected with the same moving plate (54) between them; the outer wall of the front end of the moving plate (54) is fixedly connected with a plurality of evenly distributed insertion rods (55); the rear end of the shell (51) is rotatably connected with a lead screw (56) between the rear end of the installation frame (1); the outer wall of the rear end of the lead screw (56) is rotatably penetrated through the outer wall of the rear end of the shell (51) and coaxially fixedly connected with a rotating wheel (57); and the rear end of the shell (51) is provided with a locking assembly (58).

2. The rockfall prevention net according to claim 1, wherein: The locking assembly (58) comprises a fixed column (581) and a plurality of circumferentially distributed locking grooves (587); the fixed column (581) is fixedly connected to the rear end of the shell (51); the fixed column (581) is coaxially provided with a sliding cavity (582) in the inside; the sliding cavity (582) is coaxially provided with a locking rod (583) in the inside; the outer surface of the locking rod (583) is tightly sleeved with a sliding plate (584) in sliding fit with the sliding cavity (582); the outer surface of the locking rod (583) is sleeved with a spring (585); the bottom end of the locking rod (583) is slidably penetrated through the bottom end of the fixed column (581) and coaxially fixedly connected with a pull rod (586); and the plurality of locking grooves (587) are provided on the outer surface of the rotating wheel (57) and matched with the locking rod (583).

3. The safety prevention rockfall net according to claim 2, characterized in that: The outer wall of the front end of the installation plate (3) is penetrated through and provided with a plurality of evenly distributed insertion holes (6); and the outer wall of the top of the front end of the installation frame (1) is provided with traction ropes (7) on both sides.

4. The rockfall prevention net according to claim 3, wherein: The bottom of the installation frame (1) is provided with a fixed plate (8) through a rotating seat on both sides; and the top of the fixed plate (8) is threadedly penetrated and inserted with two parallel distributed bolts (9).

5. The safety prevention rockfall net according to claim 4, characterized in that: Each of the lead screws (56) is threadedly penetrated through the corresponding moving plate (54); the top end of each of the locking rods (583) is slidably penetrated through the top end of the corresponding fixed column (581) and inserted into one of the locking grooves (587) on the corresponding rotating wheel (57); and the bottom end and the top end of each of the springs (585) are respectively fixedly connected with the bottom end of the corresponding sliding cavity (582) and the bottom end of the corresponding sliding plate (584).

6. The safety prevention rockfall net according to claim 5, characterized in that: The plurality of insertion rods (55) on each of the moving plates (54) are respectively and correspondingly matched with the plurality of insertion holes (6) on the corresponding installation plates (3); and each of the insertion rods (55) is slidably penetrated through the rear end wall of the corresponding installation groove (2) and inserted into the corresponding insertion hole (6).

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