Safety protection device for road and bridge construction

Abstract

The utility model discloses a safety protection device for road and bridge construction, and particularly relates to the technical field of road and bridge construction protection, the safety protection device comprises four supporting vertical rods, reinforcing fixing blocks are fixedly arranged on the front sides of the bottom ends of the two supporting vertical rods located at the bottom respectively, and cavities are formed in the two supporting vertical rods located on one side respectively; a rotating rod is rotationally connected to the interior of the cavity, and a protective net is wound around the outer end of the rotating rod; and the limiting assembly comprises a limiting rod arranged on the outer side of the supporting vertical rod located on one side, and a plurality of limiting grooves are formed in the outer end of the rotating rod. According to the protective device, the protective net is arranged in the cavity in one supporting vertical rod, so that the protective device is easy and convenient to store, the unfolding process of the protective net is easy and convenient, the unfolded protective net can be limited through the limiting assemblies, and therefore the protective net is easy and convenient to fix, and the protective device is convenient to use. And the mounting and fixing efficiency is high, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of road and bridge construction protection, in particular to a road and bridge construction safety protection device. Background Art

[0002] The contents of road and bridge construction generally include: the main roadbed project, soil pits and abandoned soil piles, slope protection roads and debris platforms, comprehensive roadbed drainage, roadbed protection and reinforcement, fill and excavation roadbeds, roadbeds in special engineering geological areas, construction in winter and rainy seasons, and ditches or rivers caused by roadbed construction, construction organization of earthwork projects, roadbed renovation, quality inspection, project acceptance and other engineering projects. Safety protection is an indispensable and most important link in road and bridge construction.

[0003] At present, when the safety protection device for road and bridge construction is actually used, the main structure and the protective net of the safety protection device are separated, so that the protective net on the safety protection device is not convenient to open, and the fixing of the protective net is not convenient enough, which makes the installation and disassembly process of the safety protection device more troublesome. Therefore, there is an urgent need in the market for technology that can improve the structure of safety protection devices for road and bridge construction to improve this equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a road and bridge construction safety protection device to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road and bridge construction safety protection device, comprising:

[0006] Four support vertical rods, the front sides of the bottom ends of the two support vertical rods at the bottom are fixed with a reinforcing fixing block, the two support vertical rods at one side are provided with a cavity inside, a rotating rod is rotatably connected inside the cavity, a protective net is wound around the outer end of the rotating rod, and a connecting port is provided inside the two support vertical rods at one side, one end of the protective net passes through the connecting port and is fixedly connected to the inner side of the support vertical rod at the other side;

[0007] A limit assembly, the limit assembly includes a limit rod arranged on the outside of a supporting vertical rod located on one side, a plurality of limit grooves are opened at the outer end of the rotating rod, the limit grooves are arranged at the top of the protective net, one end of the limit rod passes through the outside of the supporting vertical rod and extends into one of the limit grooves, a pull block is fixedly provided at the other end of the limit rod, a first spring is sleeved on the outer end of the limit rod, and two ends of the first spring are respectively fixedly connected to the outside of the supporting vertical rod and the inside of the pull block.

[0008] Preferably, a torsion spring is sleeved on the outer side of both ends of the rotating rod, one end of the torsion spring is fixedly connected to the inner wall of the cavity, and the other end of the torsion spring is fixedly connected to the outer end of the rotating rod, so as to drive the rotating rod to reel in the protective net.

[0009] Preferably, a lower protective cross bar and an upper protective cross bar are provided between two adjacent supporting vertical bars on the left and right, and the lower protective cross bar and the upper protective cross bar are respectively arranged at the bottom and the top of the protective net, and a first plug-in block is fixedly provided at both ends of the two lower protective cross bars and the upper protective cross bar, and two first plug-in grooves are provided on the inner sides of the four supporting vertical bars, and the first plug-in block is arranged inside the first plug-in groove, so as to facilitate the connection and fixation of the two supporting vertical bars.

[0010] Preferably, a second plug-in block is fixedly provided at the bottom end of the two supporting vertical rods at the top, and a second plug-in groove is opened at the top end of the four supporting vertical rods. The second plug-in blocks at the bottom ends of the two supporting vertical rods at the top are arranged inside the second plug-in grooves at the top ends of the two supporting vertical rods at the bottom, so as to facilitate the connection between the upper and lower supporting vertical rods.

[0011] Preferably, two movable grooves are provided on the two upper protective cross bars and the top lower protective cross bar, and a movable block is provided inside the movable groove on the upper protective cross bar, and the top of the movable block passes through the movable groove on the lower protective cross bar and extends to the top of the lower protective cross bar, and a limit plate is fixedly provided on the top of the movable block, and the limit plate is arranged on the top of the lower protective cross bar, and a fixed rod is fixedly provided inside the movable groove on the upper protective cross bar, and the fixed rod passes through the movable block, and a second spring is sleeved on the outer end of the fixed rod, and the two ends of the second spring are respectively fixedly connected to the inner wall of the movable groove and the inner side of the movable block, so as to facilitate the limiting connection of the upper protective cross bar and the lower protective cross bar that are in contact with each other.

[0012] Preferably, a connecting plate is fixedly provided at the bottom end of the movable block, and the connecting plate is arranged at the bottom end of the upper protective cross bar and extends to the front side of the upper protective cross bar, so as to facilitate the movement of the movable block.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. By arranging the protective net inside a cavity in a supporting vertical rod, the storage of the protective device is relatively simple and convenient, and the unfolding process of the protective net is also relatively simple and convenient, and the limit assembly can limit the unfolded protective net, thereby making the fixing of the protective net relatively simple and convenient, and the installation and fixing efficiency is relatively high, and the practicability is relatively strong;

[0015] 2. The lower protective cross bar and the upper protective cross bar that are in contact with each other are connected and fixed together through the movable block and the limit plate, so that the connection between the two protective nets is simpler and more convenient, and the practicality of the protective device is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the connection structure of the supporting vertical rod, the lower protection cross bar and the upper protection cross bar of the utility model;

[0019] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of a supporting vertical rod of the utility model;

[0020] Figure 4 For the utility model Figure 3 A is a schematic diagram of the enlarged structure;

[0021] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of another supporting vertical rod of the utility model;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the upper protective cross bar of the utility model;

[0023] Figure 7 It is a partial cross-sectional structural schematic diagram of the upper protective cross bar of the utility model.

[0024] Description of reference numerals:

[0025] 1. Support vertical rod; 2. Strengthen fixed block; 3. Cavity; 4. Rotating rod; 5. Protective net; 6. Connecting port; 7. Limit rod; 8. Limit slot; 9. Pull block; 10. First spring; 11. Torsion spring; 12. Lower protective cross bar; 13. Upper protective cross bar; 14. First plug-in block; 15. First plug-in slot; 16. Second plug-in block; 17. Second plug-in slot; 18. Movable slot; 19. Movable block; 20. Limit plate; 21. Fixed rod; 22. Second spring; 23. Connecting plate. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The utility model provides Figures 1 to 4 A road and bridge construction safety protection device is shown, comprising:

[0028] Four support vertical rods 1, the bottom front sides of the two support vertical rods 1 at the bottom are fixed with a reinforcing fixing block 2, the two support vertical rods 1 at one side are provided with a cavity 3 inside, a rotating rod 4 is rotatably connected inside the cavity 3, a protective net 5 is wound around the outer end of the rotating rod 4, and a connecting port 6 is provided inside the two support vertical rods 1 at one side, one end of the protective net 5 passes through the connecting port 6 and is fixedly connected to the inside of the support vertical rod 1 at the other side;

[0029] The limiting assembly includes a limiting rod 7 arranged on the outside of the supporting vertical rod 1 located on one side, a plurality of limiting grooves 8 are opened at the outer end of the rotating rod 4, and the limiting groove 8 is arranged at the top of the protective net 5. One end of the limiting rod 7 passes through the outside of the supporting vertical rod 1 and extends into one of the limiting grooves 8. A pull block 9 is fixedly provided at the other end of the limiting rod 7. A first spring 10 is sleeved on the outer end of the limiting rod 7. The two ends of the first spring 10 are respectively fixedly connected to the outer side of the supporting vertical rod 1 and the inner side of the pull block 9. A torsion spring 11 is sleeved on the outer side of both ends of the rotating rod 4. One end of the torsion spring 11 is fixedly connected to the inner wall of the cavity 3, and the other end of the torsion spring 11 is fixedly connected to the outer end of the rotating rod 4.

[0030] A lower protective cross bar 12 and an upper protective cross bar 13 are provided between two adjacent supporting vertical bars 1 on the left and right. The lower protective cross bar 12 and the upper protective cross bar 13 are respectively arranged at the bottom and the top of the protective net 5. A first plug-in block 14 is fixedly provided at both ends of the two lower protective cross bars 12 and the upper protective cross bar 13. Two first plug-in grooves 15 are provided on the inner sides of the four supporting vertical bars 1, and the first plug-in blocks 14 are arranged inside the first plug-in grooves 15.

[0031] The pull block 9 is pulled outward, and the pull block 9 drives the limit rod 7 to move outward and stretch the first spring 10. When one end of the limit rod 7 leaves a limit groove 8, a support vertical rod 1 is pulled to one side, so that the support vertical rod 1 will drive the protective net 5 to move to one side, and then unfold the protective net 5. When the protective net 5 is fully unfolded, the lower protective cross bar 12 and the upper protective cross bar 13 are placed between the two support vertical rods 1, and then the two support vertical rods 1 are moved inward so that the first plug-in block 14 is inserted into the first plug-in groove 15, and then the pull block 9 is released. Under the action of the elastic force of the first spring 10, the pull block 9 drives one end of the limit rod 7 to be inserted into the other limit groove 8, and then the two support vertical rods 1 and the reinforcing fixing block 2 are fixed to the ground, thus completing the installation and fixation of the protective structure.

[0032] The utility model arranges the protective net 5 inside the cavity 3 in a supporting vertical rod 1, so that the storage of the protective device is relatively simple and convenient, and the unfolding process of the protective net 5 is also relatively simple and convenient, and the limiting component can limit the unfolded protective net 5, so that the fixation of the protective net 5 is relatively simple and convenient, the installation and fixation efficiency is relatively high, and the practicality is relatively strong. This embodiment specifically solves the problem that the main structure and the protective net of the road and bridge construction safety protection device in the prior art are separated during actual use, so that the protective net on the safety protection device is not convenient to open, and the fixing of the protective net is not convenient enough, which makes the installation and disassembly process of the safety protection device more troublesome.

[0033] The utility model provides Figure 1 to Figure 2 and Figures 5 to 7 A road and bridge construction safety protection device is shown, in which a second plug-in block 16 is fixedly provided at the bottom end of the two support vertical rods 1 at the top, and a second plug-in groove 17 is opened at the top end of the four support vertical rods 1. The second plug-in blocks 16 at the bottom ends of the two support vertical rods 1 at the top are arranged inside the second plug-in grooves 17 at the top ends of the two support vertical rods 1 at the bottom.

[0034] Two movable grooves 18 are provided on the two upper protective cross bars 13 and the lower protective cross bar 12 at the top. A movable block 19 is provided inside the movable groove 18 on the upper protective cross bar 13. The top of the movable block 19 passes through the movable groove 18 on the lower protective cross bar 12 and extends to the top of the lower protective cross bar 12. A limit plate 20 is fixedly provided on the top of the movable block 19. The limit plate 20 is arranged at the top of the lower protective cross bar 12. A fixed rod 21 is fixed inside the movable groove 18 on the upper protective cross bar 13. The fixed rod 21 passes through the movable block 19. A second spring 22 is sleeved on the outer end of the fixed rod 21. The two ends of the second spring 22 are respectively fixedly connected to the inner wall of the movable groove 18 and the inner side of the movable block 19. A connecting plate 23 is fixedly provided at the bottom end of the movable block 19. The connecting plate 23 is arranged at the bottom end of the upper protective cross bar 13 and extends to the front side of the upper protective cross bar 13.

[0035] The two upper support vertical rods 1, the lower protective cross bar 12 and the upper protective cross bar 13 are fixed together, and the bottom connecting plate 23 is pushed inward, and the connecting plate 23 drives the movable block 19 to move inward, and the movable block 19 drives the limiting plate 20 to move inward and compresses the second spring 22, and then the bottom ends of the two upper support vertical rods 1 are placed on the top ends of the two lower support vertical rods 1, so that the second plug-in block 16 is inserted into the second plug-in slot 17, and at this time, the limiting plate 20 and the movable block 19 will pass through the movable slot 18 on the upper lower protective cross bar 12. When the limit plate 20 extends to the top of the lower protective cross bar 12, the connecting plate 23 is loosened, and the movable block 19 drives the limit plate 20 to move outward under the elastic force of the second spring 22, so that the limit plate 20 can limit and fix the upper lower protective cross bar 12, and then the upper and lower protective nets 5 can be connected and fixed together, and the lower protective cross bar 12 and the upper protective cross bar 13 that are in contact with each other are connected and fixed together through the movable block 19 and the limit plate 20, so that the connection between the two protective nets 5 is relatively simple and convenient, and the practicality of the protective device is further improved.

[0036] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A road and bridge construction safety protection device, characterized in that: include: Four supporting vertical rods (1), the front sides of the bottom ends of the two supporting vertical rods (1) at the bottom are fixed with a reinforcing fixing block (2), the two supporting vertical rods (1) at one side are provided with a cavity (3) inside, a rotating rod (4) is rotatably connected inside the cavity (3), a protective net (5) is wound around the outer end of the rotating rod (4), and a connecting opening (6) is provided inside the two supporting vertical rods (1) at one side, one end of the protective net (5) passes through the inside of the connecting opening (6) and is fixedly connected to the inner side of the supporting vertical rod (1) at the other side; A limit assembly, the limit assembly comprising a limit rod (7) arranged on the outside of a support vertical rod (1) located on one side, a plurality of limit grooves (8) are opened at the outer end of the rotating rod (4), the limit grooves (8) are arranged on the top of the protective net (5), one end of the limit rod (7) passes through the outside of the support vertical rod (1) and extends into one of the limit grooves (8), the other end of the limit rod (7) is fixedly provided with a pull block (9), the outer end of the limit rod (7) is sleeved with a first spring (10), and the two ends of the first spring (10) are respectively fixedly connected to the outside of the support vertical rod (1) and the inside of the pull block (9).

2. A road and bridge construction safety protection device according to claim 1, characterized in that: A torsion spring (11) is sleeved on the outer sides of both ends of the rotating rod (4); one end of the torsion spring (11) is fixedly connected to the inner wall of the cavity (3); and the other end of the torsion spring (11) is fixedly connected to the outer end of the rotating rod (4).

3. A road and bridge construction safety protection device according to claim 1, characterized in that: A lower protective cross bar (12) and an upper protective cross bar (13) are provided between two adjacent left and right support vertical bars (1); the lower protective cross bar (12) and the upper protective cross bar (13) are respectively provided at the bottom and the top of the protection net (5); a first plug-in block (14) is fixedly provided at both ends of the two lower protective cross bars (12) and the upper protective cross bar (13); two first plug-in slots (15) are provided on the inner sides of the four support vertical bars (1); and the first plug-in block (14) is provided inside the first plug-in slot (15).

4. A road and bridge construction safety protection device according to claim 1, characterized in that: A second plug-in block (16) is fixedly provided at the bottom end of the two support vertical rods (1) located at the top, and a second plug-in slot (17) is provided at the top end of the four support vertical rods (1). The second plug-in blocks (16) at the bottom ends of the two support vertical rods (1) located at the top are arranged inside the second plug-in slots (17) at the top ends of the two support vertical rods (1) at the bottom.

5. A road and bridge construction safety protection device according to claim 3, characterized in that: Two movable grooves (18) are provided on the two upper protective cross bars (13) and the lower protective cross bar (12) at the top. A movable block (19) is provided inside the movable groove (18) on the upper protective cross bar (13). The top of the movable block (19) passes through the movable groove (18) on the lower protective cross bar (12) and extends to the top of the lower protective cross bar (12). A limit plate (20) is fixedly provided on the top of the movable block (19). The limit plate (20) is arranged on the top of the lower protective cross bar (12). A fixed rod (21) is fixedly provided inside the movable groove (18) on the upper protective cross bar (13). The fixed rod (21) passes through the movable block (19). A second spring (22) is sleeved on the outer end of the fixed rod (21). The two ends of the second spring (22) are respectively fixedly connected to the inner wall of the movable groove (18) and the inner side of the movable block (19).

6. A road and bridge construction safety protection device according to claim 5, characterized in that: A connecting plate (23) is fixedly provided at the bottom end of the movable block (19), and the connecting plate (23) is arranged at the bottom end of the upper protective cross bar (13) and extends to the front side of the upper protective cross bar (13).

Images