Safety protection device for highway construction

Abstract

The utility model provides an expressway construction safety protection device which comprises a main vehicle body, a bearing plate is fixedly installed in the main vehicle body, two sets of lead screws are installed at the bottom of the bearing plate, ball nuts are arranged on the outer sides of the two sets of lead screws in a matched mode, and connecting bases are fixedly installed on the outer sides of the two sets of ball nuts. Connecting shafts are fixedly connected to one sides of the two sets of connecting bases, moving wheels are rotatably connected to the two ends of the two sets of connecting shafts, connecting holes are formed in the two sets of connecting shafts, polished rods are matched with the two sets of connecting holes, and the top ends of the two sets of polished rods are fixedly installed on the bottom side of a bearing plate. Through cooperation of the lead screw and the ball nut, flexible movement of the connecting base can be achieved, that is, the connecting shaft and the moving wheels can be driven to flexibly move on the lead screw, meanwhile, the protective device is matched with the connecting ring fixedly installed on the main vehicle body, and after the protective device is dragged to a proper position through a vehicle, the protective device can be conveniently fixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective devices, and more specifically, particularly relates to a safety protective device for highway construction. Background Art

[0002] Highway construction guardrails are the most important construction facilities. Highway construction areas usually need to occupy part of the roadway and separate the highway construction area from the roadway through protective devices. However, the existing protective devices are cumbersome to install and difficult to quickly collect and disassemble after the construction is completed. Therefore, in view of this, the existing structure and defects are studied and improved to provide a highway construction safety protection device in order to achieve a more practical purpose. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a highway construction safety protection device, which is achieved by the following specific technical means:

[0004] A highway construction safety protection device comprises a main vehicle body, a bearing plate is fixedly installed inside the main vehicle body, two groups of screw rods are installed at the bottom of the bearing plate, the outer sides of the two groups of screw rods are matched with ball nuts, the outer sides of the two groups of ball nuts are fixedly installed with connecting seats, one side of the two groups of connecting seats is fixedly connected with a connecting shaft, both ends of the two groups of connecting shafts are rotatably connected with moving wheels, the two groups of connecting shafts are provided with connecting holes, the two groups of connecting holes are matched with light rods, the top ends of the two groups of light rods are fixedly installed on the bottom side of the bearing plate, and the main vehicle body is provided with a accommodating chamber for the moving wheel to move up and down; multiple groups of buffer frames are fixedly installed on one side of the main vehicle body, and the multiple groups of buffer frames are commonly fixedly connected with buffer blocks on one end away from the main vehicle body; a connecting ring that can be used to connect a trailer hook is fixedly connected to one side of the main vehicle body.

[0005] Furthermore, a plurality of groups of counterweight barrels are installed on the top side of the bearing plate, and a driving motor is fixedly installed on the top side of the bearing plate by fasteners.

[0006] Furthermore, a warning frame is fixedly mounted on the top side of the bearing plate, and a plurality of groups of warning lights are fixedly mounted on one side of the warning frame.

[0007] Furthermore, pulley 1 and pulley 2 are fixedly mounted on the top ends of the two groups of screw rods respectively, and pulley 1 and pulley 2 are connected via a belt transmission.

[0008] Furthermore, a first rotating shaft is fixedly installed on the top side of the first pulley, a second rotating shaft is fixedly installed on the top side of the second pulley, and the top end of the second rotating shaft is rotatably connected to the bottom side of the supporting plate.

[0009] Furthermore, the supporting plate is provided with a through hole, and the rotating shaft 1 passes through the through hole and is fixedly connected to the output end of the driving motor.

[0010] Furthermore, the bottom ends of the two groups of screw rods are rotatably connected to the limiting seats, the outer sides of the two groups of limiting seats are commonly fixedly connected to the chassis, and both sides of the chassis are fixedly connected to the main vehicle body.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model can realize the flexible movement of the connecting seat through the cooperation of the screw rod and the ball nut, that is, it can drive the flexible movement of the connecting shaft and the moving wheel on the screw rod, and at the same time it is matched with a connecting ring fixedly installed on the main vehicle body. After the protective device is dragged to a suitable position by the vehicle, the protective device can be conveniently fixed. When the protective operation is completed, it can also be convenient to enter the mobile state from the protective state, which avoids the operator spending a lot of time on installing and disassembling the protective device; through the setting of the counterweight barrel, the overall weight of the protective device is increased, and the anti-collision ability is stronger. Through the cooperation of the buffer frame and the buffer block, the impact force when colliding with the buffer block can be buffered in time, thereby further increasing the protective ability of the protective device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 .

[0014] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 .

[0015] Figure 3 It is a structural schematic diagram of the load-bearing plate of the utility model.

[0016] Figure 4 It is a schematic diagram of the chassis structure of the utility model.

[0017] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0018] 1. Main vehicle body; 2. Buffer frame; 3. Buffer block; 4. Load-bearing plate; 5. Moving wheel; 6. Connecting shaft; 7. Connecting seat; 8. Screw; 9. Pulley 1; 10. Pulley 2; 11. Belt; 12. Rotating shaft 1; 13. Rotating shaft 2; 14. Limit seat; 15. Chassis; 16. Counterweight barrel; 17. Driving motor; 18. Warning frame; 19. Connecting ring; 20. Bare rod. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0022] As attached Figure 1 To Attachment Figure 4 As shown:

[0023] The utility model provides a highway construction safety protection device, comprising a main vehicle body 1, a bearing plate 4 is fixedly installed inside the main vehicle body 1, two groups of screw rods 8 are installed at the bottom of the bearing plate 4, the outer sides of the two groups of screw rods 8 are matched with ball nuts, the outer sides of the two groups of ball nuts are fixedly installed with connecting seats 7, one side of the two groups of connecting seats 7 is fixedly connected with connecting shafts 6, both ends of the two groups of connecting shafts 6 are rotatably connected with moving wheels 5, the two groups of connecting shafts 6 are provided with connecting holes, the two groups of connecting holes are matched with light rods 20, the top ends of the two groups of light rods 20 are fixedly installed on the bottom side of the bearing plate 4, and the main vehicle body 1 is provided with a accommodating chamber for the moving wheel 5 to move up and down; multiple groups of buffer frames 2 are fixedly installed on one side of the main vehicle body 1, and the multiple groups of buffer frames 2 are fixedly connected with buffer blocks 3 on one end away from the main vehicle body 1; and a connecting ring 19 for connecting a trailer hook is fixedly connected on one side of the main vehicle body 1.

[0024] Among them, a plurality of groups of counterweight barrels 16 are installed on the top side of the bearing plate 4, and a driving motor 17 is fixedly installed on the top side of the bearing plate 4 through fasteners.

[0025] A warning frame 18 is fixedly mounted on the top side of the bearing plate 4 , and a plurality of warning lights are fixedly mounted on one side of the warning frame 18 to warn vehicles on the highway and prevent the vehicles from colliding with the protective device.

[0026] Among them, the top ends of the two groups of screw rods 8 are respectively fixedly installed with a pulley 1 9 and a pulley 2 10 , and the pulley 1 9 and the pulley 2 10 are connected through a belt 11 for transmission.

[0027] A rotating shaft 12 is fixedly installed on the top side of the pulley 1 9 , a rotating shaft 2 13 is fixedly installed on the top side of the pulley 2 10 , and the top end of the rotating shaft 2 13 is rotatably connected to the bottom side of the supporting plate 4 .

[0028] The supporting plate 4 is provided with a through hole, and the rotating shaft 12 passes through the through hole and is fixedly connected to the output end of the driving motor 17 . The structure is simple and convenient for driving the screw rod 8 to rotate.

[0029] The bottom ends of the two groups of screw rods 8 are rotatably connected to the limit seats 14 , and the outer sides of the two groups of limit seats 14 are commonly connected to a chassis 15 , and both sides of the chassis 15 are fixedly connected to the main vehicle body 1 .

[0030] The working principle of this embodiment is as follows: when the protective device needs to be used, firstly, the protective device is towed to a suitable position by a trailer, and then the trailer hook is released from the connecting ring 19, and the drive motor 17 is started. At this time, the drive motor 17 drives the screw rod 8 to rotate, and the screw rod 8 drives the connecting seat 7 to move, and the connecting seat 7 drives the connecting shaft 6 and the moving wheel 5 to be received into the accommodating chamber, and the installation of the protective device is completed. Otherwise, it can be quickly disassembled and towed away.

[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A highway construction safety protection device, comprising a main vehicle body (1), wherein a bearing plate (4) is fixedly installed inside the main vehicle body (1), characterized in that: Two groups of screw rods (8) are installed at the bottom of the bearing plate (4), and the outer sides of the two groups of screw rods (8) are matched with ball nuts. The outer sides of the two groups of ball nuts are fixedly installed with connecting seats (7). One side of the two groups of connecting seats (7) is fixedly connected with connecting shafts (6), and both ends of the two groups of connecting shafts (6) are rotatably connected with moving wheels (5). The two groups of connecting shafts (6) are provided with connecting holes, and the two groups of connecting holes are matched with light rods (20). The top ends of the two groups of light rods (20) are fixedly installed on the bottom side of the bearing plate (4). The main vehicle body (1) is provided with a accommodating chamber for the moving wheel (5) to move up and down; a plurality of buffer frames (2) are fixedly installed on one side of the main vehicle body (1), and the plurality of buffer frames (2) are fixedly connected with a buffer block (3) at one end away from the main vehicle body (1); a connecting ring (19) that can be used to connect a trailer hook is fixedly connected on one side of the main vehicle body (1).

2. The highway construction safety protection device as claimed in claim 1, characterized in that: A plurality of groups of counterweight barrels (16) are mounted on the top side of the bearing plate (4), and a driving motor (17) is fixedly mounted on the top side of the bearing plate (4) via fasteners.

3. The highway construction safety protection device as claimed in claim 1, characterized in that: A warning frame (18) is fixedly mounted on the top side of the bearing plate (4), and a plurality of groups of warning lights are fixedly mounted on one side of the warning frame (18).

4. The highway construction safety protection device as claimed in claim 2, characterized in that: A pulley 1 (9) and a pulley 2 (10) are respectively fixedly mounted on the top ends of the two groups of screw rods (8), and the pulley 1 (9) and the pulley 2 (10) are connected by a belt (11).

5. The highway construction safety protection device as claimed in claim 4, characterized in that: A rotating shaft 1 (12) is fixedly mounted on the top side of the pulley 1 (9), and a rotating shaft 2 (13) is fixedly mounted on the top side of the pulley 2 (10). The top end of the rotating shaft 2 (13) is rotatably connected to the bottom side of the bearing plate (4).

6. The highway construction safety protection device as claimed in claim 5, characterized in that: The bearing plate (4) is provided with a through hole, and the rotating shaft 1 (12) passes through the through hole and is fixedly connected to the output end of the driving motor (17).

7. The highway construction safety protection device as claimed in claim 1, characterized in that: The bottom ends of the two groups of screw rods (8) are rotatably connected to the limit seats (14), and the outer sides of the two groups of limit seats (14) are fixedly connected to a chassis (15), and both sides of the chassis (15) are fixedly connected to the main vehicle body (1).

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