Road construction safety early warning device

Abstract

The utility model relates to the technical field of road construction, in particular to a road construction safety early warning device which comprises a warning board, a plurality of warning lamps are evenly arranged on the front side of the warning board, rotating shafts are fixedly arranged on the two sides of the bottom of the warning board, and supporting rods are rotationally arranged on the two sides of the shaft wall of each rotating shaft through rolling bearings. Circular grooves are formed in the positions, corresponding to the two rotating shafts, of the top of the warning board, pull rods are slidably arranged in the circular grooves, the upper ends of the pull rods extend out of the circular grooves, four through holes are evenly formed in the bottoms of the circular grooves, locking rods are slidably arranged in the through holes, and the upper ends of the locking rods are fixedly connected with the lower ends of the pull rods. Locking holes matched with the locking rods are formed in the two sides of the top of the supporting rod, and a pushing mechanism for pushing the pull rod is arranged on the groove wall of the circular groove. According to the utility model, a plurality of supporting rods of the warning board can be quickly unfolded or folded, the supporting rods can be conveniently locked, time and labor are saved, and the labor intensity of workers is reduced.

Description

Technical Field

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

[0002] Urban planning road construction refers to the entire process of planning, design, construction, maintenance and management of roads and the engineering entities involved. During the construction process, there is a risk of safety accidents. In order to eliminate or control safety accidents in their infancy and to ensure that safety production is within a reasonable controllable range, it is necessary to use safety warning devices to provide safety warnings to pedestrians.

[0003] In the prior art, a plurality of support rods (support legs) are usually fixedly provided at the bottom of the warning sign, and the support rods are fixedly connected to the bottom of the warning sign by a plurality of bolts. The disassembly and assembly is time-consuming, labor-intensive and inefficient, and it is inconvenient to fold or disassemble the support rods, resulting in a large space being occupied during transportation. Therefore, we have introduced a road construction safety warning device. Utility Model Content

[0004] The purpose of the utility model is to provide a road construction safety warning device, which can quickly open or fold the multiple support rods of the warning sign and is convenient for locking the support rods, saving time and effort and reducing the labor intensity of the staff, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A road construction safety warning device comprises a warning sign, wherein a plurality of warning lights are evenly arranged on the front side of the warning sign, a rotating shaft is fixedly arranged on both sides of the bottom of the warning sign, support rods are rotatably arranged on both sides of the shaft wall of the rotating shaft through rolling bearings, circular grooves are opened at the top of the warning sign corresponding to the positions of the two rotating shafts, a pull rod is slidably arranged in the circular groove, the upper end of the pull rod extends to the outside of the circular groove, four through holes are evenly opened at the bottom of the circular groove, a locking rod is slidably arranged in the through hole, the upper end of the locking rod is fixedly connected to the lower end of the pull rod, the lower ends of the plurality of locking rods extend to the lower end of the rotating shaft, and the rod walls of the plurality of locking rods are respectively slidably connected to the side walls of the two support rods, locking holes matching the locking rods are opened on both sides of the top of the support rod, and the groove wall of the circular groove is provided with a pushing mechanism for pushing the pull rod.

[0007] Preferably, the pushing mechanism includes a fixed rod, the rod wall of the pull rod is provided with a strip hole, the fixed rod is slidably arranged on the upper side of the strip hole, and both ends of the fixed rod extend outside the strip hole and are fixedly connected to the circular groove, a spring is fixedly provided on the lower rod wall of the fixed rod, and the lower end of the spring is fixedly connected to the hole wall of the strip hole.

[0008] Preferably, the spring is always in a compressed state.

[0009] Preferably, a pull block is fixedly provided on the upper end of the pull rod.

[0010] Preferably, the side wall of the pull block is provided with anti-slip grooves.

[0011] Preferably, the length of the upper support rod is greater than that of the lower support rod, and support blocks are fixedly provided at both ends of the bottom of the upper support rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The road construction safety warning device is provided with a support block, a support rod, a warning sign, a pull block, a spring, a pull rod, a locking hole, a locking rod, a rotating shaft, a warning light, and a fixed rod. When the pull block is pulled upward, the pull block squeezes the spring through the pull rod, and the pull rod drives multiple locking rods to move into the through hole. At this time, the multiple support rods can be rotated to be parallel to the length direction of the warning sign. At this time, the pull block is released, the spring pushes the pull rod downward, and the pull rod drives the multiple locking rods to be stuck in the locking holes on the two support rods. The multiple locking rods can lock the multiple support rods, and the multiple support rods of the warning sign can be quickly opened or folded, and the support rods are easy to lock, which saves time and effort and reduces the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a road construction safety early warning device.

[0015] Figure 2 This is a schematic diagram of the structure of a road construction safety warning device viewed from above.

[0016] Figure 3 This is a schematic diagram of the internal structure of the road construction safety early warning device.

[0017] Figure 4 for Figure 2 An enlarged schematic diagram of the local part A in the figure.

[0018] Figure 5 for Figure 3 An enlarged schematic diagram of part B in the figure.

[0019] In the figure: 1. support block; 2. support rod; 3. warning sign; 4. pull block; 5. spring; 6. pull rod; 7. locking hole; 8. locking rod; 9. rotating shaft; 10. warning light; 11. fixing rod. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 5 , the utility model provides a technical solution:

[0022] A road construction safety warning device includes a warning sign 3. A plurality of warning lights 10 are evenly arranged on the front side of the warning sign 3. The warning lights 10 improve the warning effect at night and in dim environments. Rotating shafts 9 are fixedly arranged on both sides of the bottom of the warning sign 3. Support rods 2 are rotatably arranged on both sides of the shaft wall of the rotating shaft 9 through rolling bearings. Circular grooves are opened at the top of the warning sign 3 corresponding to the positions of the two rotating shafts 9. A pull rod 6 is slidably arranged in the circular groove. The upper end of the pull rod 6 extends to the outside of the circular groove. Four through holes are evenly opened at the bottom of the circular groove. A locking rod 8 is slidably arranged in the through hole. The upper end of the locking rod 8 is fixedly connected to the lower end of the pull rod 6. The lower ends of the plurality of locking rods 8 extend to the lower end of the rotating shaft 9, and the rod walls of the plurality of locking rods 8 are respectively slidably connected to the side walls of the two support rods 2. Locking holes 7 matching the locking rod 8 are opened on both sides of the top of the support rod 2, and a pushing mechanism for pushing the pull rod 6 is provided on the groove wall of the circular groove.

[0023] The pushing mechanism includes a fixed rod 11, a rod wall of the pull rod 6 is provided with a strip hole, the fixed rod 11 is slidably arranged on the upper side of the strip hole, and both ends of the fixed rod 11 extend outside the strip hole and are fixedly connected to the circular groove, a spring 5 is fixedly provided on the lower rod wall of the fixed rod 11, and the lower end of the spring 5 is fixedly connected to the hole wall of the strip hole.

[0024] The spring 5 is always in a compressed state, and the spring 5 can always push the pull rod 6 downward.

[0025] A pull block 4 is fixedly provided on the upper end of the pull rod 6 , and the pull block 4 facilitates pulling the pull rod 6 .

[0026] The side wall of the pull block 4 is provided with anti-skid patterns, which improve the friction of the pull block 4 .

[0027] The length of the upper support rod 2 is greater than that of the lower support rod 2 , and support blocks 1 are fixedly provided at both ends of the bottom of the upper support rod 2 , and the support blocks 1 can provide support for the upper support rod 2 .

[0028] When folding, pull the pull block 4 upwards, and while the pull block 4 squeezes the spring 5 through the pull rod 6, the pull rod 6 drives the multiple locking rods 8 to move into the through hole. At this time, the multiple support rods 2 can be rotated to be parallel to the length direction of the warning sign 3. At this time, release the pull block 4, the spring 5 pushes the pull rod 6 downwards, and the pull rod 6 drives the multiple locking rods 8 to be stuck in the locking holes on the two support rods 2. The multiple locking rods 8 can lock the multiple support rods 2, and the multiple support rods 2 of the warning sign 3 can be quickly opened or folded, and it is convenient to lock the support rods 2, which saves time and effort and reduces the labor intensity of the staff.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road construction safety warning device, comprising a warning sign (3), wherein a plurality of warning lights (10) are evenly arranged on the front side of the warning sign (3), characterized in that: A rotating shaft (9) is fixedly provided on both sides of the bottom of the warning sign (3), and support rods (2) are rotatably provided on both sides of the shaft wall of the rotating shaft (9) through rolling bearings. A circular groove is provided at the top of the warning sign (3) corresponding to the positions of the two rotating shafts (9), and a pull rod (6) is slidably provided in the circular groove. The upper end of the pull rod (6) extends outside the circular groove. Four through holes are evenly provided at the bottom of the circular groove. A locking rod (8) is slidably provided in the through hole. The upper end of the locking rod (8) is fixedly connected to the lower end of the pull rod (6), and the lower ends of multiple locking rods (8) extend to the lower end of the rotating shaft (9), and the rod walls of multiple locking rods (8) are respectively slidably connected to the side walls of the two support rods (2). Locking holes (7) matching with the locking rod (8) are provided on both sides of the top of the support rod (2), and the groove wall of the circular groove is provided with a pushing mechanism for pushing the pull rod (6).

2. The road construction safety early warning device according to claim 1, characterized in that: The pushing mechanism comprises a fixed rod (11), a rod wall of the pull rod (6) is provided with a strip hole, the fixed rod (11) is slidably arranged on the upper side of the strip hole, and both ends of the fixed rod (11) extend outside the strip hole and are fixedly connected to the circular groove, a spring (5) is fixedly arranged on the lower rod wall of the fixed rod (11), and the lower end of the spring (5) is fixedly connected to the hole wall of the strip hole.

3. The road construction safety early warning device according to claim 2, characterized in that: The spring (5) is always in a compressed state.

4. The road construction safety early warning device according to claim 1, characterized in that: A pull block (4) is fixedly provided on the upper end of the pull rod (6).

5. The road construction safety early warning device according to claim 4 is characterized in that: The side wall of the pull block (4) is provided with anti-slip grooves.

6. The road construction safety early warning device according to claim 1, characterized in that: The length of the upper support rod (2) is greater than the length of the lower support rod (2), and support blocks (1) are fixedly provided at both ends of the bottom of the upper support rod (2).

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