Speed-limiting protection device for pavement construction

Abstract

The utility model discloses a speed-limiting protection device for road surface construction. The speed-limiting protection device comprises at least one galvanized square pipe frame, reflective warning placards installed on the front surface and the rear surface of the galvanized square pipe frame, a water horse placed on the inner side of the galvanized square pipe frame and a stop lever for limiting the water horse. The two galvanized square pipe frames are spliced through a splicing part, the splicing part comprises a fastening plate mounted on one galvanized square pipe frame, an insertion rod movably arranged on the fastening plate and a fixed insertion plate mounted on the other galvanized square pipe frame, and one end of the insertion rod can be inserted into the fixed insertion plate; the splicing part further comprises a blocking column and a threaded hole formed in the inserting rod, and a threaded head capable of being screwed into the threaded hole is arranged at one end of the blocking column. The solar flashing lamp is mounted at the top of the galvanized square tube frame; the utility model has the beneficial effects of convenience in material taking, economy and practicability, small size, light weight, simplicity in assembly and disassembly, flexibility in carrying, striking warning, high recognition degree, improvement of driving safety and reduction of construction cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of road construction, and in particular relates to a speed limiting protective device for road construction. Background Art

[0002] During the road construction process, construction workers need to perform various operations on site, such as excavation, paving, and maintenance. These tasks themselves involve certain safety risks. Speed ​​limit protection can ensure that passing vehicles pass through the construction area at a lower speed, thereby greatly reducing the risk of collision between vehicles and construction workers and ensuring the safety of construction workers.

[0003] Various construction equipment are usually placed in the construction area, such as excavators, rollers, transport vehicles, etc. These equipment are expensive and crucial to the normal operation of the construction site. If the passing vehicles are too fast, they can easily collide with the construction equipment, causing damage to the equipment or even scrapping. Speed ​​limit protection can ensure that vehicles slow down in the construction area, thereby protecting the safety of the construction equipment.

[0004] The existing speed limit protection devices for road construction have the problems of complicated installation and removal, inconvenient transportation and low recognition. Utility Model Content

[0005] The utility model aims to provide a road construction speed limit protection device, which has the characteristics of simple installation and disassembly, flexible transportation, eye-catching warning and high recognition.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a road construction speed limit protection device, comprising

[0007] At least one galvanized square tube rack, reflective warning placards installed on the front and rear surfaces of the galvanized square tube rack, water barriers placed on the inner side of the galvanized square tube rack, and barrier bars limiting the water barriers;

[0008] The two galvanized square tube racks are spliced ​​together by a splicing component, and the splicing component includes a fastening plate installed on one galvanized square tube rack, a plug rod movably arranged on the fastening plate, and a fixed plug plate installed on the other galvanized square tube rack, and one end of the plug rod can be inserted into the interior of the fixed plug plate.

[0009] Preferably, the splicing component further comprises a stop column, which is provided with a threaded hole on the insert rod, and one end of the stop column is provided with a threaded head which can be screwed into the threaded hole.

[0010] Preferably, it also includes a solar flashing light installed on the top of the galvanized square tube frame to provide a warning at night or in a low-light environment.

[0011] Preferably, it also includes a plurality of universal wheels installed at the bottom of the galvanized square tube rack, and one end of the blocking rod is rotatably arranged on the side surface of the galvanized square tube rack.

[0012] Preferably, it also includes an L-shaped block installed on the side surface of the galvanized square tube rack, and the other end of the blocking rod can be placed on the horizontal end of the L-shaped block.

[0013] Preferably, it also includes an extension portion arranged at the bottom of the water barrier, a slot opened at the inner bottom of the galvanized square tube frame for the extension portion to be inserted into, and a universal ball arranged on the inner side of the slot and resting on the extension portion.

[0014] Preferably, it also includes a fixed plate symmetrically arranged on the inner side of the galvanized square tube rack, a groove opened on the fixed plate, a movable plate with one end placed in the groove and the other end extending out of the groove, a pad arranged on the movable plate, and the pad can be rested on the water horse, and a spring connected to the end face of the embedded end of the movable plate is arranged at the bottom of the groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The materials are easy to obtain, economical and affordable, small and light, simple to install and disassemble, flexible to carry, eye-catching warning, high recognition, improving driving safety and reducing construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the structure of the splicing components of the utility model;

[0019] Figure 3 It is a side view structural schematic diagram of the utility model;

[0020] Figure 4 For the utility model Figure 3 Schematic diagram of the enlarged structure of the D region in FIG.

[0021] Figure 5 For the utility model Figure 3 A schematic diagram of the enlarged structure of area A;

[0022] In the figure: 1. galvanized square tube frame; 11. L-shaped block; 12. slot; 120. universal ball; 2. stopper; 3. fixing plate; 31. groove; 310. spring; 4. water horse; 41. extension; 5. movable plate; 51. pad; 61. fastening plate; 62. fixed plug-in plate; 63. plug-in rod; 64. stopper column; 7. solar flashing light; 8. reflective warning placard; 9. universal wheel. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 , which is the first embodiment of the utility model, and this embodiment provides a road construction speed limit protection device, comprising

[0026] At least one galvanized square tube rack 1, the galvanized square tube rack 1 is 6m long (3m*2), wide (0.25m at the top and 0.35m at the bottom), and 0.5m high, and is made of Q235 square tubes with specifications of 25mm*50mm*3mm; reflective warning placards 8 installed on the front and rear surfaces of the galvanized square tube rack 1, the reflective warning placards 8 are inscribed with "Speed ​​limit area slow down and speed limit 30km / h", water barriers 4 placed on the inner side of the galvanized square tube rack 1, and baffles 2 that limit the water barriers 4, the baffles 2 are opened to facilitate the placement of the water barriers 4, and the baffles 2 are closed after the water barriers 4 are placed, so as to increase the limitation on the water barriers 4;

[0027] The two galvanized square tube racks 1 are spliced ​​by splicing components, and the splicing components include a fastening plate 61 installed on one galvanized square tube rack 1 by screws, so that the fastening plate 61 can be firmly installed, and a plug rod 63 movably arranged on the fastening plate 61, and the plug rod 63 can move left and right on the fastening plate 61, and a fixed plug plate 62 installed on the other galvanized square tube rack 1 by screws, so that the fixed plug plate 62 can be firmly installed, and one end of the plug rod 63 can be inserted into the fixed plug plate 62. When the plug rod 63 is inserted into the fixed plug plate 62, the two galvanized square tube racks 1 can be firmly spliced, which is convenient for disassembly, assembly and transportation.

[0028] In this embodiment, preferably, the splicing components also include a stopper column 64, which realizes the addition of the stopper column 64, and a threaded hole is opened on the insertion rod 63, which realizes the opening of the threaded hole. One end of the stopper column 64 is provided with a threaded head that can be screwed into the threaded hole, which helps to achieve a stable installation of the stopper column 64 and the insertion rod 63, and the performance of limiting the movable range of the insertion rod 63 is increased by the stopper column 64.

[0029] In this embodiment, preferably, a solar strobe light 7 is also included which is installed on the top of the galvanized square tube frame 1 to provide a warning function at night or in a low-light environment.

[0030] In this embodiment, preferably, it also includes a plurality of universal wheels 9 installed at the bottom of the galvanized square tube frame 1. The universal wheels 9 can be locked (braked) to facilitate on-site movement and arrangement, thereby forming a complete assembled road construction speed limit protection system. One end of the barrier rod 2 is arranged on the side surface of the galvanized square tube frame 1 through a connecting shaft, so that the barrier rod 2 can rotate along the connecting shaft.

[0031] In this embodiment, preferably, it also includes an L-shaped block 11 installed on the side surface of the galvanized square tube rack 1 by screws, so as to achieve a stable installation of the L-shaped block 11. The other end of the barrier rod 2 can be placed at the horizontal end of the L-shaped block 11, and the barrier rod 2 is restricted by the L-shaped block 11.

[0032] In the present embodiment, preferably, it also includes an extension portion 41 arranged at the bottom of the water horse 4, realizing the addition of the extension portion 41, and a slot 12 is opened at the inner bottom of the galvanized square tube rack 1 for the extension portion 41 to be inserted, realizing the opening of the slot 12, and a universal ball 120 is arranged on the inner side of the slot 12 and rests on the extension portion 41. When the water horse 4 is placed, the water horse 4 is picked up and the extension portion 41 is inserted along the slot 12. With the cooperation of the universal ball 120, the insertion efficiency is increased, so that the water horse 4 can be placed quickly.

[0033] Example 2

[0034] See also Figure 1-Figure 5 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0035] The galvanized square tube frame 1 further comprises a fixed plate 3 symmetrically arranged on the inner side of the galvanized square tube frame 1, so that the fixed plate 3 is added, a groove 31 is provided on the fixed plate 3, so that the groove 31 is provided, and a movable plate 5 with one end placed in the groove 31 and the other end extending out of the groove 31 is realized. The movable plate 5 can move in the groove 31, which increases the convenience of use. A pad 51 is arranged on the movable plate 5, and the pad 51 can be against the water horse 4. The pad 51 reduces the surface wear of the water horse 4. The bottom of the groove 31 is provided with a spring 310 connected to the end face of the embedded end of the movable plate 5. When the extension portion 41 is inserted along the slot 12, the water horse 4 squeezes the pad 51. After the pad 51 is squeezed, it drives the movable plate 5 to compress the spring 310. After the spring 310 is compressed, it resets, drives the movable plate 5 to move, and clamps the two pads 51 on the water horse 4, so as to further reinforce the placed water horse 4.

[0036] The working principle and use process of the utility model are as follows: when in use, the device is carried to the speed limit area; the barrier bar 2 is opened, the water barrier 4 is picked up, and the extension part 41 is inserted along the slot 12. With the cooperation of the universal ball 120, the insertion efficiency is increased, so that the water barrier 4 is quickly placed. When the extension part 41 is inserted along the slot 12, the water barrier 4 squeezes the pad 51. After the pad 51 is squeezed, it drives the movable plate 5 to compress the spring 310. After the spring 310 is compressed, it resets, drives the movable plate 5 to move, and makes the two pads 51 clamped on the water barrier 4, further reinforcing the placed water barrier 4; the insertion rod 63 is inserted into the fixed insertion plate 62 to achieve the stable splicing of the two galvanized square tube racks 1, and the universal wheel 9 at the bottom of the galvanized square tube rack 1 is moved and adjusted. The display position and angle; three groups of the device are set up on site in the speed limit area, and are arranged in an "S-shaped" manner with an interval of 25m. The solar flash light 7 on the top of the galvanized square tube rack 1 provides a warning function at night or in a low light environment.

[0037] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road construction speed limit protection device, characterized in that: include At least one galvanized square tube frame (1), a reflective warning placard (8) mounted on the front and rear surfaces of the galvanized square tube frame (1), a water barrier (4) placed inside the galvanized square tube frame (1), and a barrier rod (2) that limits the water barrier (4); The two galvanized square tube racks (1) are spliced ​​together by a splicing component, and the splicing component comprises a fastening plate (61) mounted on one galvanized square tube rack (1), a plug rod (63) movably arranged on the fastening plate (61), and a fixed plug plate (62) mounted on the other galvanized square tube rack (1), and one end of the plug rod (63) can be inserted into the interior of the fixed plug plate (62).

2. A road construction speed limit protection device according to claim 1, characterized in that: The splicing component also includes a blocking column (64) which is provided with a threaded hole on the insert rod (63); one end of the blocking column (64) is provided with a threaded head which can be screwed into the threaded hole.

3. A road construction speed limit protection device according to claim 1, characterized in that: It also includes a solar flashing light (7) installed on the top of the galvanized square tube frame (1), so as to provide a warning function at night or in a low-light environment.

4. A road construction speed limit protection device according to claim 1, characterized in that: It also includes a plurality of universal wheels (9) installed at the bottom of the galvanized square tube frame (1), and one end of the blocking rod (2) is rotatably arranged on the side surface of the galvanized square tube frame (1).

5. A road construction speed limit protection device according to claim 4, characterized in that: It also comprises an L-shaped block (11) installed on the side surface of the galvanized square tube frame (1), and the other end of the blocking rod (2) can be placed on the horizontal end of the L-shaped block (11).

6. A road construction speed limit protection device according to claim 1, characterized in that: The invention also comprises an extension part (41) arranged at the bottom of the water horse (4), a slot (12) provided at the inner bottom of the galvanized square tube frame (1) for the extension part (41) to be inserted, and a universal ball (120) arranged on the inner side of the slot (12) and resting on the extension part (41).

7. A road construction speed limit protection device according to claim 1, characterized in that: The invention also comprises a fixed plate (3) symmetrically arranged on the inner side of the galvanized square tube frame (1), a groove (31) provided on the fixed plate (3), a movable plate (5) with one end placed in the groove (31) and the other end extending out of the groove (31), a pad (51) arranged on the movable plate (5), and the pad (51) can be pressed against the water horse (4), and a spring (310) connected to the end surface of the embedded end of the movable plate (5) is arranged at the bottom of the groove (31).

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