Safety guardrail for road construction

Abstract

The utility model relates to the field of road construction, and discloses a safety guardrail for road construction, which comprises a telescopic upright post, protective baffles are arranged on the left side and the right side of the telescopic upright post, a bevel gear is mounted at the bottom of the inner side of the telescopic upright post, and a handle is fixedly connected to the left side of a transmission gear. The bottom of the threaded rod penetrates through the middle of the bevel gear and is in threaded connection with the middle of the bevel gear, a base is arranged at the bottom of the telescopic stand column, and an upper connecting rod is fixedly connected to the upper middle portion of the telescopic stand column. The two connecting rods are provided with the gears, the folding effect is achieved through rotation of the gears, in this way, different construction environments can be protected, due to the folding design, the convenience can be improved during installation and storage, the installation time is shortened, and the practicability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of road construction, in particular to a safety guardrail for road construction. Background Art

[0002] Road guardrails separate motor vehicles, non-motor vehicles and pedestrian traffic, and divide the road longitudinally in cross-section, so that motor vehicles, non-motor vehicles and pedestrians travel in separate lanes, improving the safety of road traffic and avoiding unnecessary accidents.

[0003] After searching, Chinese patent announcement number: CN212743595U discloses a safety guardrail for municipal road construction, including a guardrail body, the guardrail body includes a connecting mechanism, a fixed frame and a base, the connecting mechanism is arranged on both sides of the surface of the guardrail body, the fixed frame is arranged on the outside of the guardrail body, and the base is arranged on both sides of the bottom of the guardrail body; the utility model is provided with a connecting mechanism, which is convenient for the staff to connect the two guardrail bodies, and the utility model has a simple structure and convenient operation, which effectively saves the time for the staff to install the guardrail, and by providing a connecting spring B, it is convenient to absorb part of the force by the guardrail body itself when the guardrail body is subjected to external force, thereby reducing the damage caused by the external force to the guardrail body, and effectively extending the service life of the guardrail body connecting mechanism. However, in actual use, due to the uneven construction road surface, the guardrail can only be used in a single scene and cannot be lifted or lowered in height, and the device may need to consume greater labor costs and occupy more space to carry and install it. Therefore, a safety guardrail for road construction is proposed to solve the above problems. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a safety guardrail for road construction, aiming to improve the problem in the prior art that the guardrail cannot be raised and can only protect a single height construction environment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safety guardrail for road construction, comprising two telescopic columns, the left and right sides of the tops of the two telescopic columns are fixedly connected with protective baffles, the inner bottoms of the two telescopic columns are threadedly connected with threaded rods, the middle and lower parts of the two threaded rods are rotatably connected with bevel gears, the two bevel gears are meshedly connected with transmission gears on the opposite sides, the two transmission gears are fixedly connected with handles on the opposite sides, and the opposite ends of the two handles respectively penetrate the corresponding telescopic columns, the interiors of the two telescopic columns are slidably connected with telescopic column 1, the middle parts of the bottom ends of the two telescopic columns are threadedly connected to the tops of the threaded rods, the middle and lower parts of the adjacent sides of the two telescopic columns are fixedly connected with lower connecting rods, the middle and upper parts of the adjacent sides of the two telescopic columns are fixedly connected with upper connecting rods, and the adjacent sides of the two upper connecting rods are provided with folding mechanisms.

[0006] Through the above technical solution: the telescopic column is divided into two parts, the upper part is threadedly connected to the threaded rod, the lower part is provided with a groove, and a bevel gear is installed inside the telescopic column. By turning the handle, the bevel gear rotates to drive the threaded rod to lift the telescopic column, which can play a greater protective role and provide great convenience for different construction environments.

[0007] As a further description of the above technical solution:

[0008] The folding mechanism includes a connecting column, the middle parts of the adjacent sides of the two upper connecting rods are fixedly connected with a connecting column, the middle parts of the two connecting columns are rotatably connected with a gear 1, the adjacent sides of the bottoms of the two lower connecting rods are fixedly connected with a fixing plate, the adjacent sides of the tops of the two fixing plates are rotatably connected with a rotating rod, and the two top ends are rotatably connected to the two ends of the bottom respectively.

[0009] Through the above technical solution: the two upper connecting rods are respectively installed with gears 1, and the two lower connecting rods are respectively installed with rotating devices. The connecting rods can be folded by the gears and the rotating devices, which can greatly save the time cost of workers when placing them, and can also save more space when storing.

[0010] As a further description of the above technical solution:

[0011] A sensor is fixedly connected to the top of the left telescopic column 1, an alarm is fixedly connected to the top of the sensor, and the sensor and the alarm are electrically connected.

[0012] Through the above technical solution: an alarm device is arranged on the top of the telescopic pole, and a sensor is installed on the bottom of the alarm, which can play a warning role when pedestrians and vehicles approach, preventing them from causing unnecessary danger.

[0013] As a further description of the above technical solution:

[0014] The bottoms of the two telescopic columns are fixedly connected to a base, and the left and right sides of the bottoms of the two bases are rotatably connected to wheels.

[0015] Through the above technical solution: a base is installed at the bottom of the telescopic column, and wheels are installed under the base. The wheels can drive the telescopic column to move more conveniently, thereby improving its practicality and convenience.

[0016] As a further description of the above technical solution:

[0017] A camera is fixedly connected to the top of the telescopic column on the right.

[0018] Through the above technical solution: a camera is installed on the top of the telescopic column, through which the surrounding road conditions can be photographed, and the surrounding road conditions and construction status can be timely understood through smart devices.

[0019] As a further description of the above technical solution:

[0020] The top of the camera is fixedly connected with a protective cover.

[0021] Through the above technical solution: a protective cover is installed on the top of the camera. Considering that rainy weather will affect the camera, a protective cover is installed on the top to protect the camera from rain.

[0022] As a further description of the above technical solution:

[0023] A plurality of sliding rods are fixedly connected to adjacent sides of the upper connecting rod and the lower connecting rod at equal distances, and a reflective strip is fixedly connected to the bottoms of the left and right sides of the plurality of sliding rods.

[0024] Through the above technical solution: the upper and lower sliding rods are equipped with reflective strips, which can enhance their warning effect at night and prevent pedestrians from unnecessary dangers due to poor night vision.

[0025] As a further description of the above technical solution:

[0026] The multiple folding mechanisms also include soft connecting rings, and the upper and lower ends of the outer walls of the two middle sliding rods are fixedly connected with soft connecting rings, and soft light sheets are fixedly connected between the adjacent two upper soft connecting rings and between the adjacent two lower soft connecting rings.

[0027] Through the above technical solution: a soft light sheet is installed on the outer wall of the telescopic rod, which can provide lighting at night and improve the convenience of night construction.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the telescopic column is divided into two parts, the upper part is threadedly connected with the threaded rod, and the lower part is provided with a groove. A bevel gear is installed inside the telescopic column. By turning the handle, the bevel gear rotates to drive the threaded rod to lift the telescopic column, which can play a greater protective role and is very convenient for different construction environments.

[0030] 2. In the utility model, the two upper connecting rods are respectively installed with gears 1, and the two lower connecting rods are respectively installed with rotating devices. The connecting rods can be folded by the gears and the rotating devices, which can save the time cost of workers when placing them to a great extent and can also save more space when storing them. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a three-dimensional schematic diagram of a safety guardrail for road construction proposed by the utility model;

[0032] Figure 2 This is a schematic diagram of the structure of a lifting device for a safety guardrail for road construction proposed by the utility model;

[0033] Figure 3 The utility model is a schematic diagram of a folding mechanism of a safety guardrail for road construction.

[0034] Legend:

[0035] 1. Telescopic column; 2. Folding mechanism; 201. Gear 1; 202. Soft connecting ring; 203. Fixed plate; 204. Connecting plate; 205. Rotating rod; 206. Connecting column; 3. Protective baffle; 4. Alarm; 5. Upper connecting rod; 6. Lower connecting rod; 7. Wheel; 8. Transmission gear; 9. Base; 10. Protective cover top; 11. Camera; 12. Handle; 13. Sensor; 14. Threaded rod; 15. Limiting ring; 16. Conical gear; 17. Sliding rod; 18. Soft light sheet; 19. Reflective strip; 20. Telescopic column 1. DETAILED DESCRIPTION

[0036] 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.

[0037] Reference Figure 1 , Figure 2 and Figure 3 A safety guardrail for road construction comprises two telescopic columns 1, the top left and right sides of the two telescopic columns 1 are fixedly connected with protective baffles 3, the inner bottom of the two telescopic columns 1 are threadedly connected with threaded rods 14, the middle and lower parts of the two threaded rods 14 are rotatably connected with bevel gears 16, the two gears 16 are meshedly connected with transmission gears 8 on the far side, the two transmission gears 8 are fixedly connected with handles 12 on the far side, the far ends of the two handles 12 respectively penetrate the corresponding telescopic columns 1, the insides of the two telescopic columns 1 are slidably connected with telescopic columns 20, the middle parts of the bottom ends of the two telescopic columns 20 are threadedly connected to the top of the threaded rod 14 The ends of the two threaded rods 14 are fixedly connected to the limiting rings 15 in the middle parts, the lower middle parts of the adjacent sides of the two telescopic columns 1 are fixedly connected to the lower connecting rods 6, the upper middle parts of the adjacent sides of the two telescopic columns 20 are fixedly connected to the upper connecting rods 5, the bottoms of the two telescopic columns 1 are fixedly connected to the bases 9, the left and right sides of the bottoms of the two bases 9 are rotatably connected to the wheels 7, the top of the left telescopic column 20 is fixedly connected to the sensor 13, the top of the sensor 13 is fixedly connected to the alarm 4, the sensor 13 and the alarm 4 are electrically connected, a protective cover 10 is installed on the top of the camera 11, and the adjacent sides of the two upper connecting rods 5 are provided with a folding mechanism 2.

[0038] Specifically, the left and right sides of the tops of the two telescopic columns 1 are connected with protective baffles 3, the inner bottoms of the two telescopic columns 1 are connected with threaded rods 14, the middle and lower parts of the two threaded rods 14 are rotatably connected with bevel gears 16, the two bevel gears 16 are connected with transmission gears 8, the far side of the transmission gear 8 is fixedly connected with handles 12, one end of the two handles 12 respectively penetrates the telescopic columns 1, the inside of the telescopic column 1 is slidably connected with a telescopic column 20, the middle part of the bottom end of the telescopic column 20 is connected to the top of the threaded rod 14, the middle parts of the two threaded rods 14 are fixedly connected with a limiting ring 15, and the middle and lower parts of the two telescopic columns 1 are fixedly connected There is a lower connecting rod 6, and the upper part of the telescopic column 20 is fixedly connected to the upper connecting rod 5. The bottom of the two telescopic columns 1 is connected to the base 9, and the left and right sides of the bottom of the base 9 are connected to wheels 7. The wheels 7 can improve the convenience of moving the equipment. The top of the left telescopic column 20 is connected to a sensor 13, and the top of the sensor 13 is connected to an alarm 4. The alarm effect is achieved between the sensor 13 and the alarm 4 through electricity. Considering that rainy weather will affect the camera 11, a protective cover 10 is installed on the top to protect the camera 11 from rain. The adjacent side of the two upper connecting rods 5 is provided with a folding mechanism 2.

[0039] Reference Figure 1 and Figure 3The folding mechanism 2 includes a connecting column 206, and the middle parts of the adjacent sides of the two connecting rods 5 are fixedly connected with the connecting column 206, and the middle parts of the two connecting columns 206 are rotatably connected with the gear 201, and the adjacent sides of the bottoms of the two lower connecting rods 6 are fixedly connected with the fixed plates 203, and the adjacent sides of the tops of the two fixed plates 203 are rotatably connected with the rotating rods 205, and the top ends of the two 205 are rotatably connected to the two ends of the bottom of 204 respectively.

[0040] Specifically, the folding mechanism 2 includes a connecting column 206, an adjacent side of the upper connecting rod 5 is fixedly connected with the connecting column 206, the middle part of the connecting column 206 is rotatably connected with a gear 201, an adjacent side of the bottom of the lower connecting rod 6 is fixedly connected with a fixed plate 203, the top of the fixed plate 203 is rotatably connected with a rotating rod 205, and the top end of the rotating rod 205 is rotatably connected to the bottom of the connecting plate 204, respectively. By folding, time can be saved during installation and its convenience can be improved.

[0041] Reference Figure 1 and Figure 3 A plurality of sliding rods 17 are fixedly connected to adjacent sides of the upper connecting rod 5 and the lower connecting rod 6 at equal distances, and a reflective strip 19 is fixedly connected to the bottoms of the left and right sides of the plurality of sliding rods 17 .

[0042] Specifically, the upper connecting rod 5 and the lower connecting rod 6 are fixedly connected with a plurality of sliding rods 17, and the plurality of sliding rods 17 are fixedly connected with reflective strips 19, which can serve as a warning to pedestrians and vehicles at night.

[0043] Reference Figure 1 and Figure 3 The multiple folding mechanisms 2 also include a soft connecting ring 202. The upper and lower ends of the outer walls of the two middle sliding rods 17 are fixedly connected with the soft connecting ring 202. The soft light sheet 18 is fixedly connected between the adjacent two upper soft connecting rings 202 and between the adjacent two lower soft connecting rings 202.

[0044] Specifically, the folding mechanism 2 also includes a soft connecting ring 202. The upper and lower ends of the outer wall of the sliding rod 17 are fixedly connected with the soft connecting ring 202. The middle position of the soft connecting ring 202 is fixedly connected with a soft light sheet 18. The soft light sheet 18 can be used for lighting during night construction, thereby improving the efficiency of construction.

[0045] Working principle: A bevel gear 16 and a transmission gear 8 are installed inside the telescopic column 1, and a handle 12 is connected to the left side of the telescopic column. A threaded rod 14 is connected to the middle of the bevel gear 16. The bevel gear 16 and the transmission gear 8 are driven to rotate and rise and fall by rotating the handle 12, which can adapt to construction environments of different heights. A gear 201 is installed in the middle of the upper connecting rod 5, and a rotating device is installed on the lower connecting rod 6. The folding effect is achieved by the mutual engagement of the gears 201, which can improve the efficiency of installation during construction. Wheels 7 are installed at the bottom of the base 9, which can save more manpower when moving the equipment.

[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A safety guardrail for road construction, comprising two telescopic columns (1), characterized in that: The left and right sides of the tops of the two telescopic columns (1) are fixedly connected with protective baffles (3); the inner bottoms of the two telescopic columns (1) are threadedly connected with threaded rods (14); the middle and lower parts of the two threaded rods (14) are rotatably connected with bevel gears (16); the two bevel gears (16) are meshedly connected with transmission gears (8) on the far sides; the two transmission gears (8) are fixedly connected with handles (12) on the far sides; the far ends of the two handles (12) respectively penetrate the corresponding telescopic columns (1); the two The interior of the telescopic columns (1) is slidably connected to a telescopic column 1 (20); the middle parts of the bottom ends of the two telescopic columns 1 (20) are threadedly connected to the top ends of the threaded rods (14); the middle parts of the two threaded rods (14) are fixedly connected to a limiting ring (15); the middle and lower parts of the adjacent sides of the two telescopic columns (1) are fixedly connected to a lower connecting rod (6); the middle and upper parts of the adjacent sides of the two telescopic columns 1 (20) are fixedly connected to an upper connecting rod (5); and the adjacent sides of the two upper connecting rods (5) are provided with a folding mechanism (2).

2. A road construction safety guardrail according to claim 1, characterized in that: The folding mechanism (2) comprises a connecting column (206), the middle parts of the adjacent sides of the two upper connecting rods (5) are fixedly connected with the connecting column (206), the middle parts of the two connecting columns (206) are rotatably connected with a gear 1 (201), the adjacent sides of the bottoms of the two lower connecting rods (6) are fixedly connected with a fixed plate (203), the adjacent sides of the tops of the two fixed plates (203) are rotatably connected with a rotating rod (205), and the top ends of the two rotating rods (205) are rotatably connected to the two ends of the bottom of the connecting plate (204).

3. A road construction safety guardrail according to claim 1, characterized in that: A sensor (13) is fixedly connected to the top of the left telescopic column 1 (20), and an alarm (4) is fixedly connected to the top of the sensor (13). The sensor (13) and the alarm (4) are electrically connected.

4. A road construction safety guardrail according to claim 2, characterized in that: The bottoms of the two telescopic columns (1) are fixedly connected to a base (9), and the left and right sides of the bottoms of the two bases (9) are rotatably connected to wheels (7).

5. A road construction safety guardrail according to claim 1, characterized in that: A camera (11) is fixedly connected to the top of the telescopic column (1) on the right side.

6. A road construction safety guardrail according to claim 5, characterized in that: The top of the camera (11) is fixedly connected with a protective cover top (10).

7. A road construction safety guardrail according to claim 2, characterized in that: A plurality of sliding rods (17) are fixedly connected at equal distances to adjacent sides of the upper connecting rod (5) and the lower connecting rod (6), and a reflective strip (19) is fixedly connected to the bottoms of the left and right sides of the plurality of sliding rods (17).

8. A road construction safety guardrail according to claim 7, characterized in that: The plurality of folding mechanisms (2) further comprise a soft connecting ring (202), the upper and lower ends of the outer walls of the two middle sliding rods (17) being fixedly connected with the soft connecting ring (202), and the two upper soft connecting rings (202) being adjacent to each other and the two lower soft connecting rings (202) being adjacent to each other with a soft light sheet (18) being fixedly connected.

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