Road and bridge construction warning device

Abstract

The utility model provides a warning device for road and bridge construction, which relates to the technical field of road and bridge construction, and comprises a base, a lifting mechanism capable of lifting the height of a warning plate is arranged above the base, the lifting mechanism comprises a vertical frame, and the vertical frame is fixed with the upper surface of the base. According to the road and bridge construction warning device, by arranging the lifting mechanism, when the device is used, a corresponding warning plate is inserted into a mounting frame, then a motor is controlled through an operation switch to drive a threaded rod to rotate, and under the guiding effect of a sliding groove, rotation of the threaded rod can drive a lifting block and a fixing frame to vertically ascend; and meanwhile, the fixing frame can drive the mounting frame and the solar cell panel to ascend, so that the warning panel can be lifted to a striking height position, the purpose that the height position of the warning panel can be adjusted by using an operation switch is achieved, the occupied space of the device during transportation can be reduced, and the transportation efficiency is improved. And the device transportation convenience of workers is improved.

Description

Technical Field

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

[0002] At present, in the construction and maintenance of roads and bridges, it is often necessary to repair damaged roads or bridges. At the construction site of the repair, there are often motor vehicles passing through. In order to protect the safety of construction workers, some warning devices are generally placed not far from the construction site to remind passing vehicles to pay attention to safety.

[0003] A road and bridge construction warning device disclosed in the Chinese patent application publication specification CN218989974U includes a base, a mobile power supply, a stand, an alarm light, a fixing groove, a warning plate and a reflective strip. The road and bridge construction warning device has a mobile power supply fixedly installed on the top surface of the base, a stand fixedly connected to the top surface of the base and located outside the mobile power supply, a mounting frame symmetrically fixedly connected to the top surface of the stand, a solar power generation component fixedly installed on the top surface of the mounting frame, an alarm light fixedly installed in the middle of the top surface of the stand, a fixing groove fixedly connected to the top front side of the mounting frame, a warning plate adapted thereto inserted in the fixing groove, a warning mark provided on the warning plate, reflective strips provided on the four sides of the base, casters fixedly installed at the four corners of the bottom surface of the base, and the casters are universal brake wheels, so that the device has the functions of light alarm, warning plate alarm and reflective strip reflective alarm, and the alarm function is more comprehensive, and it can also play a good alarm function at night.

[0004] When the device is in use, the warning device needs to be moved to a designated location, but the overall height of the above-mentioned device is relatively high and difficult to fold and adjust, resulting in the device taking up a large amount of space during transportation, which is inconvenient for staff to move and transport the device. In order to meet the position change, the warning device is provided with moving wheels at the bottom, but when braking and stopping are required, the contact area with the ground will be reduced, thereby reducing the stability of the device during use, and when braking the universal brake wheel, the tightness of multiple brakes needs to be manually adjusted, which is more troublesome to operate. Utility Model Content

[0005] The utility model proposes a road and bridge construction warning device to solve the problems in the prior art that the overall volume of the warning device is large, which makes it inconvenient for workers to move and transport the warning device, and when the warning device is braked and placed, the contact area between the moving wheel and the ground is small, which reduces the stability of the device and makes it troublesome to adjust the brakes of multiple universal wheels.

[0006] The utility model is implemented through the following technical scheme: a road and bridge construction warning device, including a base, a lifting mechanism capable of lifting the height of a warning plate is provided above the base, the lifting mechanism includes a stand, the stand is fixed to the upper surface of the base, a motor is fixed to the upper surface of the base, a threaded rod is fixed to the output end of the motor, the top of the threaded rod is rotatably connected to the inner top wall of the stand through a rotating shaft, a lifting block is threadedly connected to the outer surface of the threaded rod, two fixed frames are fixed to the outer surface of the lifting block, a moving component is provided inside the base, the moving component includes an electric push rod, a storage cavity is opened inside the base, and the electric push rod is fixed to the inner top wall of the storage cavity.

[0007] Specifically, two sliding grooves are provided inside the vertical frame, and the inner wall of each sliding groove is slidably connected to the corresponding fixed frame. The sliding groove can guide the fixed frame, thereby ensuring the stability of the fixed frame during lifting and lowering movements.

[0008] Specifically, an installation frame is provided above the base, the outer surface of the installation frame is fixed to two fixing frames, an adaptive warning plate is plugged into the interior of the installation frame, the fixing frame can drive the installation frame to rise, thereby lifting the warning plate to a more conspicuous height position, and a handle is fixed on the side of the warning plate to facilitate the staff to replace the warning plate with the corresponding warning mark in the installation frame.

[0009] Specifically, a battery is fixed on the upper surface of the stand, a solar panel is provided above the battery, and the bottom surface of the solar panel is fixed to two fixing frames, which can drive the solar panel to rise together to prevent the warning board from affecting the light received by the solar panel after rising. The solar panel can convert solar energy into electrical energy and store it in the battery, and the battery can power the electrical components on the device.

[0010] Specifically, a warning light is installed on the outer surface of the mounting frame, a handle is fixed on the outer surface of the stand, and an operating switch is provided on the outer surface of the stand. The warning light can illuminate the warning plate at night to improve the warning effect of the device at night. The handle is provided to facilitate the staff to move the device, and the staff can control the working status of the motor, electric push rod and warning light by operating the switch.

[0011] Specifically, a lifting plate is fixed to the extended end of the electric push rod, and moving wheels distributed at equal distances are fixed to the bottom surface of the lifting plate. The lifting plate can be pushed up and down in the storage cavity through the extension and retraction of the electric push rod, and the lifting plate can move together with multiple moving wheels.

[0012] Specifically, square grooves are arranged at equal distances on the bottom of the base, and each of the square grooves is connected to the storage cavity. The square grooves are arranged to avoid obstruction to the movement of the movable wheels. When the device needs to be braked and placed, the movable wheels are controlled to pass through the square grooves and enter the storage cavity, so that the bottom surface of the base contacts the ground, thereby increasing the contact area between the device and the ground and improving the stability of the device.

[0013] The utility model provides a road and bridge construction warning device, which has the following beneficial effects:

[0014] 1. The road and bridge construction warning device is provided with a lifting mechanism. When the device is in use, the corresponding warning plate is inserted into the installation frame, and then the motor is controlled by the operating switch to drive the threaded rod to rotate. Under the guidance of the sliding groove, the rotation of the threaded rod can drive the lifting block and the fixing frame to rise vertically, and at the same time, the fixing frame can drive the installation frame and the solar panel to rise, so that the warning plate can be lifted to a conspicuous height position, so that the device can adjust the height position of the warning plate by using the operating switch, thereby reducing the space occupied by the device during transportation and improving the convenience of the staff in transporting the device.

[0015] 2. The road and bridge construction warning device is provided with a moving component. When the device is moved, the staff can push the device to move by the handle. When the device needs to be braked and fixed, the lifting plate can be driven to rise in the storage cavity by the contraction of the electric push rod. The lifting plate can rise together with multiple moving wheels, so that the moving wheels pass through the square groove into the storage cavity, so that the bottom surface of the base can contact the ground, thereby increasing the contact area between the device and the ground and improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the interior of the stand of the utility model;

[0018] Figure 3 It is an internal cross-sectional view of the base of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the handle of the utility model.

[0020] Description of Reference Numerals

[0021] 1. Base;

[0022] 2. Lifting mechanism; 201. Stand; 202. Motor; 203. Threaded rod; 204. Lifting block; 205. Fixed frame; 206. Sliding slot; 207. Mounting frame;

[0023] 3. Moving assembly; 301. Electric push rod; 302. Storage chamber; 303. Lifting plate; 304. Moving wheel; 305. Square slot;

[0024] 4. Battery; 5. Solar panel; 6. Warning light; 7. Handle; 8. Operating switch. DETAILED DESCRIPTION

[0025] Please refer to Figure 1 , Figure 2 and Figure 4 The embodiment of the utility model provides a road and bridge construction warning device, including a base 1, a lifting mechanism 2 capable of raising the height of the warning plate is arranged above the base 1, the lifting mechanism 2 comprises a stand 201, the stand 201 is fixed to the upper surface of the base 1, a motor 202 is fixed to the upper surface of the base 1, a threaded rod 203 is fixed to the output end of the motor 202, the top of the threaded rod 203 is rotatably connected to the inner top wall of the stand 201 through a rotating shaft, a lifting block 204 is threadedly connected to the outer surface of the threaded rod 203, two fixing frames 205 are fixed to the outer surface of the lifting block 204, the threaded rod 203 can be driven to rotate by the motor 202, and the threaded rod 203 can drive the lifting block 204 and the fixing frame 205 when rotating. 05 makes lifting movement, two sliding grooves 206 are arranged inside the stand 201, and the inner wall of each sliding groove 206 is slidably connected with the corresponding fixed frame 205. The sliding groove 206 can guide the fixed frame 205, thereby ensuring the stability of the fixed frame 205 when making lifting movement. A mounting frame 207 is arranged above the base 1, and the outer surface of the mounting frame 207 is fixed to the two fixed frames 205. An adapted warning plate is inserted into the interior of the mounting frame 207, and the fixed frame 205 can drive the mounting frame 207 to rise, thereby lifting the warning plate to a more conspicuous height position, and a handle is fixed on the side of the warning plate, which is convenient for the staff to replace the warning plate with the corresponding warning mark in the mounting frame 207.

[0026] Please refer to Figure 2The base 1 is provided with a moving component 3, and the moving component 3 includes an electric push rod 301. A storage chamber 302 is provided inside the base 1. The electric push rod 301 is fixed to the inner top wall of the storage chamber 302. A lifting plate 303 is fixed to the extended end of the electric push rod 301. Moving wheels 304 distributed at equal distances are fixed to the bottom surface of the lifting plate 303. The lifting plate 303 can be pushed to move up and down in the storage chamber 302 by the extension and contraction of the electric push rod 301. The lifting plate 303 can move together with multiple moving wheels 304. Square grooves 305 distributed at equal distances are provided at the bottom of the base 1. Each square groove 305 is connected to the storage chamber 302. The square grooves 305 are provided to avoid obstruction to the movement of the moving wheels 304. When the device needs to be braked and placed, the moving wheels 304 are controlled to pass through the square grooves 305 and enter the storage chamber 302, so that the bottom surface of the base 1 contacts the ground, thereby increasing the contact area between the device and the ground and improving the stability of the device.

[0027] Please refer to Figure 1 , Figure 2 and Figure 4 A battery 4 is fixed on the upper surface of the stand 201, and a solar panel 5 is arranged above the battery 4. The bottom surface of the solar panel 5 is fixed to two fixing frames 205. The fixing frames 205 can drive the solar panel 5 to rise together to prevent the warning board from affecting the light received by the solar panel 5 after rising. The solar panel 5 can convert solar energy into electrical energy and store it in the battery 4. The battery 4 can power the electrical components on the device.

[0028] Please refer to Figure 1 and Figure 4 A warning light 6 is installed on the outer surface of the mounting frame 207, a handle 7 is fixed on the outer surface of the stand 201, and an operating switch 8 is provided on the outer surface of the stand 201. The warning light 6 can illuminate the warning plate at night to improve the warning effect of the device at night. By providing the handle 7, it is convenient for the staff to move the device. The staff can control the working status of the motor 202, the electric push rod 301 and the warning light 6 by operating the switch 8.

[0029] Working principle: When the device is in use, the corresponding warning plate is inserted into the installation frame 207, and then the motor 202 is controlled by the operating switch 8 to drive the threaded rod 203 to rotate. Under the guidance of the sliding groove 206, the rotation of the threaded rod 203 can drive the lifting block 204 and the fixing frame 205 to rise vertically, and the fixing frame 205 can drive the installation frame 207 and the solar panel 5 to rise, thereby lifting the warning plate to a conspicuous height position, and the warning light 6 can illuminate the warning plate at night, thereby improving the warning effect of the device at night, so as to achieve the purpose of adjusting the height position of the warning plate by using the operating switch 8, thereby reducing the space occupied by the device during transportation and improving the convenience of transporting the device for staff.

[0030] When moving the device, the staff can push the device to move by the handle 7. When the device needs to be braked and fixed, the contraction of the electric push rod 301 can drive the lifting plate 303 to rise in the storage chamber 302. The lifting plate 303 can rise together with the multiple moving wheels 304, so that the moving wheels 304 pass through the square grooves 305 and enter the storage chamber 302, so that the bottom surface of the base 1 can contact the ground, thereby increasing the contact area between the device and the ground and improving the stability of the device.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A road and bridge construction warning device, comprising a base (1), characterized in that: A lifting mechanism (2) capable of lifting the height of the warning plate is provided above the base (1), the lifting mechanism (2) comprising a stand (201), the stand (201) being fixed to the upper surface of the base (1), a motor (202) being fixed to the upper surface of the base (1), a threaded rod (203) being fixed to the output end of the motor (202), the top end of the threaded rod (203) being rotatably connected to the inner top wall of the stand (201) via a rotating shaft, a lifting block (204) being threadedly connected to the outer surface of the threaded rod (203), and two fixing frames (205) being fixed to the outer surface of the lifting block (204); A moving assembly (3) is provided inside the base (1), and the moving assembly (3) includes an electric push rod (301). A storage cavity (302) is provided inside the base (1), and the electric push rod (301) is fixed to the inner top wall of the storage cavity (302).

2. A road and bridge construction warning device according to claim 1, characterized in that: Two sliding grooves (206) are provided inside the stand (201), and the inner wall of each sliding groove (206) is slidably connected to the corresponding fixing frame (205).

3. A road and bridge construction warning device according to claim 1, characterized in that: A mounting frame (207) is provided above the base (1); the outer surface of the mounting frame (207) is fixed to two fixing frames (205); and a matching warning plate is inserted into the interior of the mounting frame (207).

4. A road and bridge construction warning device according to claim 1, characterized in that: A storage battery (4) is fixed on the upper surface of the stand (201), a solar panel (5) is provided above the storage battery (4), and the bottom surface of the solar panel (5) is fixed to two fixing frames (205).

5. A road and bridge construction warning device according to claim 3, characterized in that: A warning light (6) is installed on the outer surface of the installation frame (207), a handle (7) is fixed on the outer surface of the stand (201), and an operating switch (8) is provided on the outer surface of the stand (201).

6. A road and bridge construction warning device according to claim 1, characterized in that: A lifting plate (303) is fixed to the extended end of the electric push rod (301), and moving wheels (304) distributed at equal distances are fixed to the bottom surface of the lifting plate (303).

7. A road and bridge construction warning device according to claim 6, characterized in that: The bottom of the base (1) is provided with square grooves (305) distributed at equal distances, and each of the square grooves (305) is connected to the storage cavity (302).

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