Temporary warning and protecting fence for municipal engineering road maintenance

Abstract

The utility model relates to the technical field of protective fences, and provides a temporary police protective fence for municipal engineering road maintenance, which comprises a base and a first fixing frame, a second fixing frame is arranged on one side of the first fixing frame, and the base is fixed at the bottom end of the first fixing frame and the bottom end of the second fixing frame. First connecting pieces are fixed to the two ends of one side of the first fixing frame correspondingly, and supporting structures are fixed to the top ends of the first fixing frame and the second fixing frame correspondingly. The telescopic structure is arranged, the two ends of the movable rod and the two ends of the fixed rod are distributed and installed in the second connecting groove and the first connecting groove through the fastening bolts, the folding strip is composed of the multiple sets of inclined rods, and the multiple sets of adjacent inclined rods are hinged to one another; and when the movable rods and the fixed rods are detached from the second connecting grooves and the first connecting grooves, the movable rods and the fixed rods are folded, so that the size of the folded folding strips is reduced, recovery and transportation of the protective fence are facilitated, the applicability of the road protective fence is improved, and recovery and transportation are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a temporary guardrail for road maintenance in municipal engineering. Background Art

[0002] Guardrails are a common safety protection facility, widely used in highways, bridges, roads, buildings and other fields. A temporary guardrail for road maintenance in municipal engineering is set up to ensure traffic safety and the safety of construction workers during road maintenance. The main function of this guardrail is to isolate the construction area from the normal traffic area, ensuring that vehicles and pedestrians do not mistakenly enter the construction area, thereby avoiding possible traffic accidents;

[0003] To this end, the patent with publication number CN214737650U discloses a road guardrail for municipal engineering, which relates to the field of road guardrails, and includes a guardrail frame, a base, and a fixed column installed on the base. A spring sheet is fixedly installed on the bottom side wall of the fixed column, and the upper end of the spring sheet is bent in a direction away from the fixed column. A fixed through hole is provided on the base, and a fixed groove is provided on the inner side wall of the fixed through hole. The upper end of the fixed groove is separated from the upper surface of the base by a gap. When the fixed column is inserted into the fixed through hole, the upper end of the spring sheet is bent and embedded in the fixed groove. When the fixed column is inserted into the fixed through hole in the present application, the upper end of the spring sheet on the fixed column is bent and embedded in the fixed groove, so that the fixed column is not easily separated from the base, thereby making the guardrail more stable and will not be skewed due to the separation of the fixed column and the base;

[0004] During use, the above-mentioned road guardrail for municipal engineering is installed on the fixed column by installing the fixed column on the base. The guardrail is fixed by multiple sets of bolts, which is not convenient for installation and disassembly. The guardrail cannot be folded and contracted, is large in size, and is not convenient for recycling and transportation. Utility Model Content

[0005] The utility model aims to provide a temporary warning guardrail for road maintenance in municipal engineering, so as to solve the defect that the existing guardrail is inconvenient to recycle and transport.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a temporary warning guardrail for road maintenance in municipal engineering, comprising a base and a first fixing frame;

[0007] A second fixing frame is provided on one side of the first fixing frame, a base is fixed to the bottom ends of the first fixing frame and the second fixing frame, a first connecting member is fixed to both ends of one side of the first fixing frame, a supporting structure is fixed to the top ends of the first fixing frame and the second fixing frame, and a lifting structure is provided inside the first fixing frame and the second fixing frame;

[0008] A contraction structure is provided on one side of the first fixing frame, and the contraction structure includes a movable rod, a folding strip, a fixing bolt, and a fixing rod. The movable rod is provided on one side of the top of the first fixing frame, a folding strip is provided inside the movable rod, fixing bolts are provided at both ends of the movable rod, and a fixing rod is provided on the outer side of the bottom end of the folding strip;

[0009] The second connecting parts are fixed at both ends of one side of the second fixing frame, and the bottom ends of the first fixing frame and the second fixing frame are provided with connecting seats, one end of the connecting seat is fixed with an anti-collision bar, and reflective strips are provided on both sides of the anti-collision bar, and the other end of the connecting seat is provided with fixing bolts.

[0010] Preferably, the supporting structure includes a supporting plate, a supporting seat, a rotating rod, a solar photovoltaic panel and a warning light, the supporting plates are installed on the top ends of the first fixing frame and the second fixing frame, the top end of the supporting plate is fixed with a supporting seat, the top end of the supporting seat is provided with a rotating rod, the top end of the rotating rod is fixed with a solar photovoltaic panel, and the top end of the solar photovoltaic panel is provided with a warning light.

[0011] Preferably, a solar tracking controller is provided inside the support seat, the bottom end of the rotating rod is electrically connected to the solar tracking controller, the solar photovoltaic panel is electrically connected to the top of the rotating rod, and two groups of warning lights are provided, and the warning lights are symmetrically distributed at the top of the solar photovoltaic panel.

[0012] Preferably, the lifting structure includes a fixed block, a motor, a threaded rod, a first connecting groove, a sliding block, a threaded groove and a second connecting groove, the fixed blocks are fixed to the bottom ends of the first fixed frame and the second fixed frame, the motor is fixed to the bottom end of the fixed block, the first fixed frame and the second fixed frame are both provided with threaded rods, a first connecting groove is provided on one side of the fixed block, a sliding block is provided on the outside of the threaded rod, a threaded groove is provided at the middle position of the sliding block on the outside of the threaded rod, and a second connecting groove is provided on one side of the sliding block.

[0013] Preferably, a through hole is provided at a middle position inside the fixed block, one end of the threaded rod passes through the through hole and is fixedly connected to the output end of the motor, and the sliding block is threadedly connected to the threaded rod via a thread groove.

[0014] Preferably, both ends of the movable rod and the folding strip are arranged inside the second connecting groove, the movable rod, the fixed rod and the folding strip are fixedly connected by the second connecting groove, the first connecting groove and the fastening bolts, and the folding strip is composed of several groups of inclined rods, and the several groups of adjacent inclined rods are hinged to each other.

[0015] Preferably, the outer side of the first connecting member is in conflict with the inner side of the second connecting member, the first connecting member and the second connecting member form a locking structure through bolts, and the reflective strips are arranged in several groups, and the reflective strips are evenly spaced on both sides of the anti-collision bar.

[0016] The utility model provides a temporary warning guardrail for road maintenance in municipal engineering, which has the following advantages:

[0017] By providing a supporting structure and a rotating rod, the angle of the solar photovoltaic panel can be adjusted so that the solar photovoltaic panel can always face the sun, thereby improving the utilization rate of the solar photovoltaic panel. The use of the solar photovoltaic panel is energy-saving and environmentally friendly. The warning light plays a warning and guiding role to ensure the safety of the maintenance road.

[0018] By providing a lifting structure, the threaded rod is driven to rotate by starting the motor so that the sliding block moves longitudinally on the threaded rod, thereby driving the movable rod to adjust the displacement of the height up and down, which is convenient for quick installation of the guardrail and easy to use;

[0019] By providing a contraction structure, the two ends of the movable rod and the fixed rod are distributed and installed inside the second connecting groove and the first connecting groove by tightening bolts. The folding strip is composed of a plurality of groups of inclined rods, and the plurality of adjacent groups of inclined rods are hinged to each other. When the movable rod and the fixed rod are removed from the second connecting groove and the first connecting groove, the movable rod and the fixed rod are folded, so that the volume of the folded folding strip becomes smaller, which is convenient for the recovery and transportation of the guardrail, increases the applicability of the road guardrail and is convenient for recovery and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 It is a schematic diagram of the explosion structure of the utility model;

[0024] Figure 5 For the utility model Figure 4 Schematic diagram of the structure at point A in the middle.

[0025] Explanation of the reference numerals in the figure: 1. base; 2. first fixing frame; 3. first connecting member; 4. supporting structure; 401. supporting plate; 402. supporting seat; 403. rotating rod; 404. solar photovoltaic panel; 405. warning light; 5. lifting structure; 501. fixing block; 502. motor; 503. threaded rod; 504. first connecting groove; 505. sliding block; 506. threaded groove; 507. second connecting groove; 6. contraction structure; 601. movable rod; 602. folding strip; 603. tightening bolt; 604. fixing rod; 7. second fixing frame; 8. second connecting member; 9. connecting seat; 10. anti-collision rod; 11. reflective strip; 12. fixing bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model provides a temporary warning guardrail for road maintenance in municipal engineering, which includes a base 1 and a first fixing frame 2.

[0028] Reference Figure 1 and Figure 4 As shown, a second fixing frame 7 is provided on one side of the first fixing frame 2, a base 1 is fixed to the bottom ends of the first fixing frame 2 and the second fixing frame 7, a first connecting member 3 is fixed to both ends of one side of the first fixing frame 2, a supporting structure 4 is fixed to the top ends of the first fixing frame 2 and the second fixing frame 7, and the supporting structure 4 includes a supporting plate 401, a supporting seat 402, a rotating rod 403, a solar photovoltaic panel 404 and a warning light 405, and the supporting plates 401 are installed on the top ends of the first fixing frame 2 and the second fixing frame 7, and the top ends of the supporting plates 401 A support base 402 is fixed, a rotating rod 403 is arranged at the top of the support base 402, a solar photovoltaic panel 404 is fixed at the top of the rotating rod 403, a warning light 405 is arranged at the top of the solar photovoltaic panel 404, a sun tracking controller is arranged inside the support base 402, the bottom end of the rotating rod 403 is electrically connected to the sun tracking controller, the solar photovoltaic panel 404 is electrically connected to the top of the rotating rod 403, two groups of warning lights 405 are arranged, and the warning lights 405 are symmetrically distributed at the top of the solar photovoltaic panel 404.

[0029] By setting the rotating rod 403, the angle of the solar photovoltaic panel 404 can be adjusted so that the solar photovoltaic panel 404 can always face the sun, thereby improving the utilization rate of the solar photovoltaic panel 404. The use of the solar photovoltaic panel 404 is energy-saving and environmentally friendly. By setting the warning light 405, it plays a warning and guiding role to ensure the safety of the maintenance road.

[0030] Reference Figure 2-Figure 5 As shown, the first fixed frame 2 and the second fixed frame 7 are both provided with a lifting structure 5, and the lifting structure 5 includes a fixed block 501, a motor 502, a threaded rod 503, a first connecting groove 504, a sliding block 505, a threaded groove 506 and a second connecting groove 507. The fixed block 501 is fixed to the bottom end of the first fixed frame 2 and the second fixed frame 7, and the motor 502 is fixed to the bottom end of the fixed block 501. The first fixed frame 2 and the second fixed frame 7 are both provided with a threaded rod 503. The fixed block 501 is fixed to the bottom end of the first fixed frame 2 and the second fixed frame 7. A first connecting groove 504 is provided on one side of the interior of the fixed block 501, a sliding block 505 is provided on the outer side of the threaded rod 503, a thread groove 506 is provided at the middle position of the interior of the sliding block 505 on the outer side of the threaded rod 503, a second connecting groove 507 is provided on one side of the interior of the sliding block 505, a through hole is provided at the middle position of the interior of the fixed block 501, one end of the threaded rod 503 passes through the through hole and is fixedly connected to the output end of the motor 502, and the sliding block 505 is threadedly connected to the threaded rod 503 through the thread groove 506.

[0031] By starting the motor 502 to drive the threaded rod 503 to rotate, the sliding block 505 is moved longitudinally on the threaded rod 503, thereby driving the movable rod 601 to adjust the vertical height displacement, which is convenient for quick installation of the guardrail and easy to use.

[0032] Reference Figure 1-Figure 4As shown, a contraction structure 6 is provided on one side of the first fixing frame 2, and the contraction structure 6 includes a movable rod 601, a folding strip 602, a fixing bolt 603, and a fixing rod 604. The movable rod 601 is provided on one side of the top of the first fixing frame 2, and the folding strip 602 is provided inside the movable rod 601. Both ends of the movable rod 601 are provided with fixing bolts 603, and the outer side of the bottom end of the folding strip 602 is provided with a fixing rod 604. Both ends of the movable rod 601 and the folding strip 602 are provided inside the second connecting groove 507. The movable rod 601, the fixing rod 604 and the folding strip 602 are connected through the second connecting groove 507, the first connecting groove 504 and the fixing bolt 603. 3 constitutes a fixed connection, the folding strip 602 is composed of several groups of oblique rods, and several groups of adjacent oblique rods are hinged to each other. The second connecting members 8 are fixed to both ends of one side of the second fixing frame 7. The outer side of the first connecting member 3 conflicts with the inner side of the second connecting member 8. The first connecting member 3 and the second connecting member 8 form a clamping structure through bolts. The bottom ends of the first fixing frame 2 and the second fixing frame 7 are both provided with a connecting seat 9, and an anti-collision rod 10 is fixed at one end of the connecting seat 9. Reflective strips 11 are provided on both sides of the anti-collision rod 10. The reflective strips 11 are provided in several groups. The reflective strips 11 are evenly spaced on both sides of the anti-collision rod 10. The other end of the connecting seat 9 is provided with a fixing bolt 12.

[0033] The two ends of the movable rod 601 and the fixed rod 604 are distributed and installed inside the second connecting groove 507 and the first connecting groove 504 by tightening bolts 603. The folding strip 602 is composed of a plurality of groups of inclined rods, and the adjacent groups of inclined rods are hinged to each other. When the movable rod 601 and the fixed rod 604 are removed from the second connecting groove 507 and the first connecting groove 504, the movable rod 601 and the fixed rod 604 are folded, so that the volume of the folded folding strip 602 becomes smaller, which is convenient for the recovery and transportation of the guardrail, increases the applicability of the road guardrail and facilitates recovery and transportation.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A temporary warning guardrail for road maintenance in a municipal engineering project, comprising a base (1) and a first fixing frame (2); Features: A second fixing frame (7) is arranged on one side of the first fixing frame (2); a base (1) is fixed to the bottom ends of the first fixing frame (2) and the second fixing frame (7); a first connecting member (3) is fixed to both ends of one side of the first fixing frame (2); a supporting structure (4) is fixed to the top ends of the first fixing frame (2) and the second fixing frame (7); and a lifting structure (5) is arranged inside the first fixing frame (2) and the second fixing frame (7); A contraction structure (6) is provided on one side of the first fixing frame (2), and the contraction structure (6) comprises a movable rod (601), a folding strip (602), a fixing bolt (603), and a fixing rod (604); the movable rod (601) is provided on one side of the top end of the first fixing frame (2); the folding strip (602) is provided inside the movable rod (601); fixing bolts (603) are provided at both ends of the movable rod (601); and a fixing rod (604) is provided on the outer side of the bottom end of the folding strip (602); The second fixing frame (7) has second connecting members (8) fixed at both ends of one side thereof, the first fixing frame (2) and the second fixing frame (7) are provided with connecting seats (9) at the bottom ends thereof, an anti-collision rod (10) is fixed at one end of the connecting seat (9), reflective strips (11) are provided at both sides of the anti-collision rod (10), and a fixing bolt (12) is provided at the other end of the connecting seat (9).

2. A temporary warning fence for road maintenance in municipal engineering according to claim 1, characterized in that: The support structure (4) comprises a support plate (401), a support seat (402), a rotating rod (403), a solar photovoltaic panel (404) and a warning light (405); the support plate (401) is mounted on the top of the first fixing frame (2) and the second fixing frame (7); the support seat (402) is fixed on the top of the support plate (401); the rotating rod (403) is arranged on the top of the support seat (402); the solar photovoltaic panel (404) is fixed on the top of the rotating rod (403); and the warning light (405) is arranged on the top of the solar photovoltaic panel (404).

3. A temporary warning fence for road maintenance in municipal engineering according to claim 2, characterized in that: A solar tracking controller is arranged inside the support base (402), the bottom end of the rotating rod (403) is electrically connected to the solar tracking controller, the solar photovoltaic panel (404) is electrically connected to the top end of the rotating rod (403), and two groups of warning lights (405) are arranged, and the warning lights (405) are symmetrically distributed at the top end of the solar photovoltaic panel (404).

4. A temporary warning fence for road maintenance in municipal engineering according to claim 1, characterized in that: The lifting structure (5) comprises a fixed block (501), a motor (502), a threaded rod (503), a first connecting groove (504), a sliding block (505), a threaded groove (506) and a second connecting groove (507); the fixed block (501) is fixed to the bottom end of the first fixed frame (2) and the second fixed frame (7); the motor (502) is fixed to the bottom end of the fixed block (501); the first fixed frame (2) and the second fixed frame (7) are both provided with a threaded rod (503); one side of the fixed block (501) is provided with a first connecting groove (504); the outer side of the threaded rod (503) is provided with a sliding block (505); a threaded groove (506) is provided at a middle position of the sliding block (505) outside the threaded rod (503); and one side of the sliding block (505) is provided with a second connecting groove (507).

5. A temporary warning fence for road maintenance in municipal engineering according to claim 4, characterized in that: A through hole is provided at the middle position inside the fixed block (501), one end of the threaded rod (503) passes through the through hole and is fixedly connected to the output end of the motor (502), and the sliding block (505) is threadedly connected to the threaded rod (503) via a thread groove (506).

6. A temporary warning fence for road maintenance in municipal engineering according to claim 1, characterized in that: Both ends of the movable rod (601) and the folding strip (602) are arranged inside the second connecting groove (507); the movable rod (601), the fixed rod (604) and the folding strip (602) are fixedly connected via the second connecting groove (507), the first connecting groove (504) and the fixing bolt (603); the folding strip (602) is composed of a plurality of groups of inclined rods, and the plurality of adjacent groups of inclined rods are hinged to each other.

7. A temporary warning fence for road maintenance in municipal engineering according to claim 1, characterized in that: The outer side of the first connecting member (3) abuts against the inner side of the second connecting member (8); the first connecting member (3) and the second connecting member (8) form a locking structure through bolts; the reflective strips (11) are provided in a plurality of groups; and the reflective strips (11) are distributed at equal intervals on both sides of the anti-collision rod (10).

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