CN220621378U - Safety protective fence - Google Patents

Abstract

The utility model relates to the technical field of guard rails, and provides a safety guard rail which comprises a support (1), and further comprises a first mounting plate (3) and a second mounting plate (4) which are fixedly connected to a railing (2), wherein a mounting groove (41) is formed in the second mounting plate (4), a guard net (5) is arranged in the second mounting plate, a hinged seat (71) in an adjusting structure (7) is fixedly connected to the second mounting plate (4), the hinged seat (71) is hinged to a sleeve (72) which is in threaded connection with a threaded rod (73), a gear block (74) provided with a plurality of limiting ports (75) is fixedly connected to the guard net (5), and a limiting rod (76) which is matched with the limiting ports (75) is fixedly connected to the end part of the threaded rod (73).

Description

Safety protective fence

Technical Field

The utility model relates to the technical field of protective fences, in particular to a safety protective fence.

Background

The building engineering refers to engineering entities formed by building various house buildings and auxiliary facilities thereof and installing and moving lines, pipelines and equipment matched with the building buildings. The house building is a project which has a top cover, a beam column, a wall, a foundation and can form an internal space and meet the requirements of people on production, living, study and public activities. In the construction field of construction engineering management, in order to isolate the construction site from external personnel and facilitate management, unnecessary danger is avoided, and a safety guard rail is usually arranged to isolate the construction site from external personnel.

Patent number CN 217680983U's patent discloses a safety guard rail, including the support, support upper end fixedly connected with a set of railing, fixedly connected with accomodates the frame on a set of railing rear end lateral wall, accomodate frame upper end opening corner and be the arcuation design, be provided with the protection network that provides the protection in accomodating the frame inner chamber, be equipped with on accomodating the frame lateral wall and be used for carrying out spacing spacer pin to the protection network, the installation is provided with the buffer board on railing front end lateral wall, the railing both sides are provided with the coupling mechanism who is used for connecting fixedly respectively. The limiting pins are inserted into the limiting holes to limit the positions of the protective net, so that the protective net is kept stable, the protective effect of the protective net is prevented from being influenced in the using process, the protective net can be quickly stored into the storage frame after being used, the occupied space of the whole device is reduced, and the protective net is convenient for workers to move and transport. However, the protection net in the protection fence in the patent has low limiting stability through the limiting pins after being pulled out, is easy to bend when resisting sand and stone objects, loses the protection effect, and can not adjust the angle; the spring can rebound repeatedly after the buffer plate is impacted, the buffer effect is poor, and the danger can be caused

Disclosure of Invention

The utility model aims to overcome the defects of the conditions, and aims to provide a safety guard rail which can improve the protection stability of a guard net, avoid the danger of spring rebound, adjust the angle of the guard net and adapt to different use conditions.

The safety guard rail comprises a support, a first mounting plate and a second mounting plate, wherein the support is fixedly connected with a plurality of handrails on the upper end face of the support, the first mounting plate and the second mounting plate are fixedly connected onto the handrails, a mounting groove is formed in the second mounting plate, a guard net is arranged in the second mounting plate, sliding grooves are formed in two sides of the mounting groove, sliding rods fixedly connected onto two sides of the guard net are connected into the sliding grooves in a sliding manner, a hinging seat in an adjusting structure is fixedly connected onto the second mounting plate, the hinging seat is hinged with a sleeve with a threaded rod in threaded connection, a baffle adjusting block with a plurality of limiting openings is fixedly connected onto the guard net, and a limiting rod matched with the limiting openings is fixedly connected onto the end part of the threaded rod; and a plurality of anti-collision boxes are fixedly connected on the first mounting plate.

Further, a first cavity is formed in the anti-collision box, an anti-collision column is connected in a sliding mode, one end of the anti-collision column penetrates through the anti-collision box, and the other end of the anti-collision column penetrates through the anti-collision box, the first mounting plate and the second cavity formed in the first mounting plate.

Further, one end of the anti-collision column is fixedly connected with a moving piece with two hinged rollers at two ends, and the other end of the anti-collision column is fixedly connected with an anti-collision pad.

Further, a third cavity fixedly connected with a pressure spring is formed in two sides of the second cavity, and one end of the pressure spring is fixedly connected with a stop block with an inclined plane.

Further, the sliding groove is L-shaped, and the horizontal section is connected with a limiting block in a sliding manner.

Further, a first groove is formed in the limiting block, and a second groove is formed in the horizontal section of the sliding groove.

Further, the limiting opening is L-shaped.

Further, the first groove and the second groove are both semicircular.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the protective net can be pulled out of the mounting groove of the second mounting plate by pulling the handle at the upper end of the protective net, the sliding rod slides to the horizontal section of the sliding groove to be attached to the second groove, the limiting block is reinserted into the horizontal section of the sliding groove at the moment, the first groove and the second groove are attached to the sliding rod, the sliding rod cannot displace but can rotate in the first groove and the second groove, the extending length of the sliding rod is adjusted by rotating the threaded rod, the limiting rod is clamped into different limiting openings, the angle of the protective net can be adjusted while the protective net is supported, and the protective net is adapted to different conditions.

(2) According to the utility model, the roller moves continuously over the stop block and the third cavity, the pressure spring is deformed, the stop block is restored to the original position, the stop block is just abutted against the anti-collision column due to the fact that the inclined surface faces to one side close to the anti-collision box, the stop block can play a limiting role on the moving part, and finally the danger of rebound of the pressure spring can be avoided.

(3) In the utility model, when an article collides with the anti-collision box, an anti-collision pad arranged on the surface of an anti-collision column in sliding connection with the anti-collision box is firstly contacted with the article, the anti-collision column slides towards the direction close to the first mounting plate, so that the roller contacts with the inclined surface on the stop block, the stop block slides into the third cavity and presses the pressure spring, the pressure spring recovers deformation to apply a reaction force to the roller, the effect of preventing the anti-collision column from moving is achieved, and the reaction force applied by the stop block and the pressure spring to the roller prevents the anti-collision column from continuously moving.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the front side of a safety guard rail;

FIG. 2 is a schematic view of the overall structure of the rear side of a safety guard rail;

FIG. 3 is an expanded schematic view of a protective net;

fig. 4 is an enlarged view at a in fig. 3;

fig. 5 is an enlarged view at B in fig. 3;

FIG. 6 is an enlarged view at A in FIG. 4;

FIG. 7 is a schematic view of the junction of the protective screen, the stopper and the second mounting plate;

FIG. 8 is a cross-sectional view of the crash box;

fig. 9 is an enlarged view at a in fig. 8;

fig. 10 is an enlarged view at a in fig. 2.

In the figure: 1. a support; 2. railing; 3. a first mounting plate; 31. a second cavity; 32. a third cavity; 4. a second mounting plate; 41. a mounting groove; 42. a sliding groove; 43. a second groove; 5. a protective net; 51. a slide bar; 6. a limiting block; 61. a first groove; 7. an adjustment structure; 71. a hinge base; 72. a sleeve; 73. a threaded rod; 74. a gear adjusting block; 75. a limit opening; 76. a limit rod; 8. an anti-collision box; 81. a first cavity; 9. an anti-collision column; 10. a crash pad; 11. a moving member; 12. a roller; 13. a pressure spring; 14. a stop block; 141. and (5) an inclined plane.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples:

as shown in fig. 1 and 2, the safety guard rail comprises a support 1, wherein the support 1 can be fixed by being inserted into the ground through a fixing drill rod in sliding connection with the support 1, the support 1 is used for stably placing the whole guard rail on the ground, the upper end face of the support 1 is fixedly connected with a plurality of rails 2, the front side of each rail 2 is fixedly connected with a first mounting plate 3, and the rear side of each rail 2 is fixedly connected with a second mounting plate 4.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 10, the upper end surface of the second mounting plate 4 is recessed downwards to form a mounting groove 41, sliding grooves 42 are formed on two sides of the mounting groove 41, the cross section of the sliding groove 42 is L-shaped, the protective net 5 is arranged in the mounting groove 41, sliding rods 51 are fixedly connected to the bottoms of two sides of the protective net 5, and the sliding rods 51 are slidably connected in the sliding groove 42, so that the protective net 5 can achieve a receivable effect; the horizontal segment sliding connection of sliding tray 42 has stopper 6, second recess 43 has been seted up to the horizontal segment tip of sliding tray 42, first recess 61 has been seted up to the one end that stopper 6 is close to second recess 43, first recess 61 and second recess 43 are semi-circular, the one end that stopper 6 kept away from second recess 43 just can laminate with sliding tray 42 horizontal segment inner wall, and two recesses can form the circle with slide bar 51 cross-section looks adaptation, extract stopper 6 of both sides at first, can pull out protection network 5 from the mounting groove 41 of second mounting panel 4 through the handle of pulling protection network 5 upper end, and make slide bar 51 slide to the horizontal segment of sliding tray 42, make it laminate second recess 43, insert stopper 6 to the horizontal segment of sliding tray 42 this moment again, make first recess 61 and second recess 43 laminate slide bar 51, make slide bar 51 can not displacement but can rotate in first recess 61 and second recess 43, and then can adjust the angle of protection network 5 according to different circumstances.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 10, in order to further adjust the angle of the protection net 5 and support the protection net 5, the stability of the protection net is improved, an adjusting structure 7 is arranged on the second mounting plate 4, the adjusting structure 7 comprises a hinge seat 71 fixedly connected to the rear side wall of the second mounting plate 4, a sleeve 72 is hinged to the hinge seat 71, a threaded rod 73 is connected to the inner thread of the sleeve 72, the bottom end of the threaded rod 73 is located in the sleeve 72, a gear shifting block 74 is fixedly connected to the protection net 5, the gear shifting block 74 just can slide into the mounting groove 41 with the protection net 5, the cross section of the gear shifting block 74 is U-shaped, a plurality of limit openings 75 are formed in the two side walls of the U-shaped, the limit openings 75 are L-shaped, the end of the horizontal section faces the upper end of the protection net 5, and limit rods 76 are fixedly connected to two sides of the free end of the threaded rod 73. Through rotatory threaded rod 73, can adjust sleeve 72 and threaded rod 73's overall length, in the spacing mouth 75's of looks adaptation horizontal segment is advanced to the gag lever post 76 joint with threaded rod 73 tip, because spacing mouth 75 is L shape, make gag lever post 76 be difficult for droing, can make sleeve 72 and threaded rod 73 provide stable support to protection network 5, make the stability of protection network 5 promote, adjust its length that stretches out through rotatory threaded rod 73, and with the gag lever post 76 joint into different spacing mouths 75, can adjust the angle of protection network when providing the support to protection network 5, adapt to different circumstances.

As shown in fig. 1, 8 and 9, the front side wall of the first mounting plate 3 is fixedly connected with a plurality of anti-collision boxes 8, a first cavity 81 is formed in each anti-collision box 8, an anti-collision column 9 is arranged in each first cavity 81, each anti-collision column 9 is in a T shape, the horizontal section of each anti-collision column 9 penetrates through each anti-collision box 8 and is in sliding connection with the corresponding anti-collision box 8, an anti-collision pad 10 is fixedly arranged at one end of each anti-collision column 9 positioned outside each anti-collision box 8, each anti-collision pad 10 is made of rubber, a good anti-collision effect is achieved, the vertical section of each anti-collision column 9 penetrates through one side of each anti-collision box 8 close to the first mounting plate 3 and is in sliding connection with the corresponding anti-collision box 8, the end of each anti-collision column 9 penetrates through the first mounting plate 3 and is in sliding connection with the corresponding anti-collision column 9, the end of each anti-collision column 9 is positioned in a second cavity 31 formed in the first mounting plate 3, the vertical section tip fixedly connected with moving member 11 of anticollision post 9, the both ends of moving member 11 are provided with gyro wheel 12, gyro wheel 12 laminating second cavity 31 both sides and can roll thereupon, third cavity 32 has been seted up to the both sides that second cavity 31 is close to two gyro wheels 12, fixedly connected with pressure spring 13 in the third cavity 32, the free end fixedly connected with dog 14 of pressure spring 13, under pressure spring 13 normal condition, the bottom of dog 14 is located third cavity 32 all the time and the top face of dog 14 just is located same horizontal plane with the vertical section side of anticollision post 9, the dog 14 cross-section is trapezoidal and its inclined plane 141 is towards crashproof case 8 one side. When an article collides with the anti-collision box 8, the anti-collision pad 10 arranged on the surface of the anti-collision column 9 in sliding connection with the anti-collision box is firstly contacted with the article, the anti-collision column 9 slides towards the direction close to the first mounting plate 3, the roller 12 is enabled to be contacted with the inclined plane 141 on the stop block 14, the stop block 14 slides into the third cavity 32 and presses the pressure spring 13, the pressure spring 13 recovers deformation to apply a reaction force to the roller 12, the effect of preventing the anti-collision column 9 from moving is achieved, and the reaction force applied by the stop block 14 and the pressure spring 13 to the roller 12 prevents the anti-collision column 9 from continuously moving. When the anti-collision post 9 continues to move inwards and the stop block 14 completely enters the third cavity 32, the roller 12 moves further beyond the stop block 14 and the third cavity 32, the compression spring 13 is deformed, the stop block 14 is restored to the original position, the stop block 14 just abuts against the anti-collision post 9 due to the fact that the inclined surface faces to one side close to the anti-collision box 8, the stop block 14 can limit the moving piece 11, and finally the danger of rebound of the compression spring 13 can be avoided.

The working principle of the safety guard rail in the embodiment is as follows: when the device is used, the device is moved to a designated protection position, the device is fixed by being inserted into the ground through a fixing drill rod on the support 1, the protective screen 5 can be pulled out of the mounting groove 41 of the second mounting plate 4 by pulling a handle at the upper end of the protective screen 5, the sliding rod 51 is slid to the horizontal section of the sliding groove 42 to be attached to the second groove 43, at the moment, the limiting block 6 is reinserted to the horizontal section of the sliding groove 42, the first groove 61 and the second groove 43 are attached to the sliding rod 51, the sliding rod 51 can not displace but can rotate in the first groove 61 and the second groove 43, the extending length of the sliding rod 51 is adjusted through the rotating threaded rod 73, the limiting rod 76 is clamped into different limiting ports 75, the angle of the protective screen can be adjusted while the support is provided for the protective screen 5, and different conditions are met; the roller 12 moves continuously beyond the stop block 14 and the third cavity 32, the compression spring 13 is deformed in a recovery mode, the stop block 14 is restored to the original position, the stop block 14 just abuts against the anti-collision column 9 due to the fact that the inclined surface faces to one side close to the anti-collision box 8, the stop block 14 can play a limiting role on the moving piece 11, and finally the danger of rebound of the compression spring 13 can be avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a safety protection fence, includes support (1) that up end rigid coupling has a plurality of railing (2), its characterized in that: the novel guardrail comprises a guardrail body and is characterized by further comprising a first mounting plate (3) and a second mounting plate (4) which are fixedly connected to the guardrail body (2), wherein the second mounting plate (4) is provided with a mounting groove (41) and is internally provided with a protective net (5), sliding grooves (42) are formed in two sides of the mounting groove (41) and are fixedly connected with sliding rods (51) on two sides of the protective net (5) in a sliding manner, a hinging seat (71) in an adjusting structure (7) is fixedly connected to the second mounting plate (4), the hinging seat (71) is hinged to a sleeve (72) which is in threaded connection with a threaded rod (73), a gear shifting block (74) provided with a plurality of limiting ports (75) is fixedly connected to the protective net (5), and limiting rods (76) matched with the limiting ports (75) are fixedly connected to the end parts of the threaded rod (73). A plurality of anti-collision boxes (8) are fixedly connected to the first mounting plate (3).

2. A safety guard rail according to claim 1, wherein: first cavity (81) and sliding connection have anticollision post (9) have been seted up in anticollision case (8), anticollision post (9) one end runs through anticollision case (8), the other end runs through anticollision case (8) with first mounting panel (3) and be located set up in second cavity (31) in first mounting panel (3).

3. A safety guard rail according to claim 2, characterized in that: one end of the anti-collision column (9) is fixedly connected with a moving part (11) with two hinged rollers (12), and the other end of the anti-collision column is fixedly connected with an anti-collision pad (10).

4. A safety guard rail according to claim 3, wherein: third cavities (32) fixedly connected with pressure springs (13) are formed in two sides of the second cavity (31), and a stop block (14) provided with an inclined plane (141) is fixedly connected at one end of each pressure spring (13).

5. A safety guard rail according to claim 1, wherein: the sliding groove (42) is L-shaped, and the horizontal section is connected with a limiting block (6) in a sliding manner.

6. A safety guard rail according to claim 5, wherein: a first groove (61) is formed in the limiting block (6), and a second groove (43) is formed in the horizontal section of the sliding groove (42).

7. A safety guard rail according to claim 1, wherein: the limiting opening (75) is L-shaped.

8. A safety guard rail according to claim 6, wherein: the first groove (61) and the second groove (43) are both semicircular.