Roadbed and pavement speed reducer

Abstract

The utility model discloses a roadbed and pavement speed reduction device, and belongs to the field of pavement speed reduction equipment. A roadbed and road surface speed reducing device comprises a trapezoid speed reducing plate, a groove is formed in the trapezoid speed reducing plate, an arc-shaped speed reducing plate is placed in the groove, a plurality of positioning blocks are fixedly connected to the two sides of the arc-shaped speed reducing plate, the positioning blocks are matched with the trapezoid speed reducing plate in an abutting mode, and movable cavities are formed in the two ends of the trapezoid speed reducing plate. A rotating rod is rotationally connected into the movable cavity, a plurality of T-shaped blocks are connected to the rotating rod in a threaded mode, and every two adjacent T-shaped blocks are matched to clamp and limit the corresponding positioning block. When the plane of the arc-shaped speed reducing plate is flush with the top face of the trapezoid speed reducing plate, the trapezoid speed reducing belt with the lower height can be formed, when the arc face of the arc-shaped speed reducing plate is located on the upper side, the arc-shaped speed reducing plate and the trapezoid speed reducing plate are matched to form the arc-shaped speed reducing belt with the higher height, and therefore selection and use can be conducted according to use scenes, and the application range is wide.

Description

Technical Field

[0001] The present application relates to the field of road deceleration equipment, and more specifically, to a roadbed and road deceleration device. Background Art

[0002] Generally, at road sections where vehicles need to slow down and are prone to traffic accidents, such as highway intersections, industrial and mining enterprises, schools, and residential areas, deceleration devices (commonly known as speed bumps) are set up to reduce the speed of motor vehicles and non-motor vehicles and improve safety. The patent document with the prior art publication number CN217174439U provides a road bridge subgrade pavement deceleration device, which is designed with a card block and an elastic protrusion at one end of the deceleration device body, and a first card slot and a second card slot at the other end of the deceleration device body. The card block can be closed on the surface of the card block by pressing the elastic protrusion, and the card block is clamped inside the first card slot. The elastic protrusion is deformed and pressed tightly inside the second card slot. At the same time, the anti-skid card body is squeezed and contacted with the inside of the first card slot, which is convenient for anti-skid installation and easy to install the ends of the two deceleration device bodies.

[0003] In view of the above-mentioned related technologies, the inventor believes that although the device can be spliced ​​to improve the connection stability, the speed bump has a fixed height and a single applicable environment, and it is not convenient to adjust the height according to the use environment. Therefore, we propose a roadbed and pavement speed reduction device. Utility Model Content

[0004] In order to improve the problems raised in the above background technology, the present application provides a roadbed and pavement deceleration device.

[0005] The present application provides a roadbed and pavement deceleration device, which adopts the following technical solution:

[0006] A roadbed and pavement deceleration device comprises a trapezoidal speed reducer, the trapezoidal speed reducer is provided with a groove, an arc-shaped speed reducer is placed in the groove, a plurality of positioning blocks are fixedly connected to both sides of the arc-shaped speed reducer, the positioning blocks abut against the trapezoidal speed reducer, and movable cavities are provided in both ends of the trapezoidal speed reducer, a rotating rod is rotatably connected in the movable cavity, a plurality of T-blocks are threadedly connected to the rotating rod, and two adjacent T-blocks cooperate to clamp and limit the positioning blocks.

[0007] By adopting the above technical scheme, when the arc surface of the arc-shaped speed brake is located in the through hole, the plane of the arc-shaped speed brake is flush with the top surface of the trapezoidal speed brake, forming a trapezoidal speed bump with a lower height; when the arc surface of the arc-shaped speed brake is located on the upper side, the arc-shaped speed brake and the trapezoidal speed brake cooperate to form an arc-shaped speed bump with a higher height; the rotating rod drives the T-block to move, and after the T-block is clamped on the positioning block, the arc-shaped speed brake is connected and fixed to the trapezoidal speed brake, so that it can be selected for use according to the usage scenario.

[0008] Optionally, mounting holes are provided on the inclined surfaces on both sides of the trapezoidal speed reducer, and the mounting holes are connected and fixed to the ground by bolts.

[0009] By adopting the above technical solution, after the bolts pass through the mounting holes and are installed and connected to the ground, the ladder-shaped speed reducer is connected and fixed to the ground.

[0010] Optionally, a plurality of external threads are fixedly provided on the rotating rod, two adjacent external threads are symmetrically arranged, and a slider is threadedly connected to the external thread, and the slider is fixedly connected to the T-block.

[0011] By adopting the above technical solution, when the rotating rod rotates, two adjacent sliders approach or move away from each other. When the two sliders approach each other, the two T-blocks clamp and limit the positioning blocks, so that the arc-shaped speed reducer is connected and fixed to the ladder-shaped speed reducer.

[0012] Optionally, one end of the rotating rod is fixedly connected to a driving block, a cross slot is provided on one side of the driving block, and a baffle is hinged on the trapezoidal speed reducer, and the baffle shaft is connected to the trapezoidal speed reducer through a torsion spring.

[0013] By adopting the above technical solution, when the baffle is not affected by external force, the torsion spring drives the baffle to fit with the inclined surface of the ladder-shaped speed reducer. When the baffle is opened, it can be connected to the cross slot through tools such as a cross screwdriver to drive the rotating rod to rotate.

[0014] Optionally, a limiting plate is fixedly connected to one side of the baffle, and the limiting plate is snap-fitted with the cross slot.

[0015] By adopting the above technical solution, when the torsion spring drives the baffle to close, the protrusion of the limit plate is engaged with the cross groove, so that the rotating rod cannot rotate, thereby preventing the rotating rod from rotating due to frequent vibration when the device is in use, and canceling the limit of the T-block and the positioning block, thereby improving stability.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] 1. When the plane of the arc-shaped speed brake is flush with the top surface of the trapezoidal speed brake, a lower trapezoidal speed bump can be formed. When the arc surface of the arc-shaped speed brake is located on the upper side, the arc-shaped speed brake and the trapezoidal speed brake cooperate to form a higher arc-shaped speed bump. Therefore, it can be selected and used according to the usage scenario, and has a wide range of applications.

[0018] 2. When the baffle is closed, the limit plate is driven to engage with the cross slot to prevent the rotating rod from rotating, which can prevent the device from being affected by vibration and causing the T-block to cancel the limit on the positioning block, thereby improving the stability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a roadbed and pavement deceleration device according to an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the anatomical structure of a ladder-type speed reducer of a roadbed and pavement speed reducer according to an embodiment of the present application;

[0021] Figure 3 A schematic diagram of the internal structure of an active cavity of a roadbed and pavement deceleration device according to an embodiment of the present application;

[0022] Figure 4 This is a schematic diagram of the structure of a driving block and a limiting plate of a roadbed and pavement deceleration device according to an embodiment of the present application;

[0023] Explanation of the numbers in the figure: 1. Trapezoidal speed brake; 2. Groove; 3. Mounting hole; 4. Arc-shaped speed brake; 5. Positioning block; 6. Rotating rod; 7. External thread; 8. Slider; 9. T-block; 10. Driving block; 11. Cross slot; 12. Baffle; 13. Torsion spring; 14. Limit plate. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings.

[0025] Reference Figure 1-4When the cam 2 is in the upright position, the cam 2 is engaged with the brake 4 and the brake disc 1 is engaged with the brake 4. When the cam 2 is engaged, the brake 4 is engaged with the brake 4 and the brake disc 1 is engaged with the brake 4. When the cam 2 is engaged, the brake 4 is engaged with the brake 4 and the brake disc 1 is engaged with the brake 4.

[0026] Reference Figure 1 Mounting holes 3 are provided on the inclined surfaces on both sides of the trapezoidal speed reducer 1. The mounting holes 3 are connected and fixed to the ground by bolts. After the bolts pass through the mounting holes 3 and are installed and connected to the ground, the trapezoidal speed reducer 1 is connected and fixed to the ground.

[0027] Reference Figure 3 A plurality of external threads 7 are fixedly provided on the rotating rod 6, and two adjacent external threads 7 are symmetrically arranged, and a slider 8 is threadedly connected to the external thread 7, and the slider 8 is fixedly connected to a T-block 9. When the rotating rod 6 rotates, the two adjacent sliders 8 approach or move away from each other. When the two sliders 8 approach each other, the two T-blocks 9 clamp and limit the positioning block 5, so that the arc-shaped deceleration plate 4 is connected and fixed to the ladder-shaped deceleration plate 1.

[0028] Reference Figure 4 One end of the rotating rod 6 is fixedly connected to a driving block 10, a cross slot 11 is provided on one side of the driving block 10, and a baffle 12 is hinged on the trapezoidal speed reducer 1, and the baffle 12 is connected to the trapezoidal speed reducer 1 through a torsion spring 13 at the rotating shaft. When the baffle 12 is not subjected to external force, the torsion spring 13 drives the baffle 12 to fit the inclined surface of the trapezoidal speed reducer 1. When the baffle 12 is opened, it can be connected to the cross slot 11 through tools such as a cross screwdriver to drive the rotating rod 6 to rotate.

[0029] Reference Figure 4 A limiting plate 14 is fixedly connected to one side of the baffle 12, and the limiting plate 14 is engaged with the cross groove 11. When the torsion spring 13 drives the baffle 12 to close, the protrusion of the limiting plate 14 is engaged with the cross groove 11, so that the rotating rod 6 cannot rotate, thereby preventing the rotating rod 6 from rotating due to frequent vibration when the device is in use, canceling the limit of the T-block 9 and the positioning block 5, thereby improving stability.

[0030] The implementation principle of a roadbed and pavement deceleration device in an embodiment of the present application is as follows: a plurality of trapezoidal deceleration plates 1 are horizontally spliced ​​and placed on the ground. After the bolts are passed through the mounting holes 3 for installation and connection with the ground, the trapezoidal deceleration plate 1 is connected and fixed to the ground. According to environmental requirements, the arc surface or plane of the arc-shaped deceleration plate 4 is placed upward. After the positioning block 5 is placed on the trapezoidal deceleration plate 1, when the baffle 12 is opened, it can be connected to the cross slot 11 through tools such as a cross screwdriver to drive the rotating rod 6 to rotate. When the rotating rod 6 drives two adjacent sliding blocks 8 to approach each other, the two T-blocks 9 clamp and limit the positioning block 5, so that the arc-shaped deceleration plate 4 is connected and fixed to the trapezoidal deceleration plate 1. Then, the baffle 12 is released, and the torsion spring 13 drives the baffle 12 to fit the inclined surface of the trapezoidal deceleration plate 1, and drives the protrusion of the limit plate 14 to clamp and engage with the cross slot 11, so that the rotating rod 6 cannot rotate.

Claims

1. A roadbed and pavement deceleration device, characterized in that: The utility model comprises a ladder-type speed reducer (1), wherein a groove (2) is provided on the ladder-type speed reducer (1), an arc-type speed reducer (4) is placed in the groove (2), and a plurality of positioning blocks (5) are fixedly connected to both sides of the arc-type speed reducer (4), the positioning blocks (5) are abutted and matched with the ladder-type speed reducer (1), and movable cavities are provided in both ends of the ladder-type speed reducer (1), a rotating rod (6) is rotatably connected in the movable cavity, and a plurality of T-blocks (9) are threadedly connected to the rotating rod (6), and two adjacent T-blocks (9) cooperate to clamp and limit the positioning blocks (5).

2. A roadbed and pavement deceleration device according to claim 1, characterized in that: Mounting holes (3) are provided on the inclined surfaces on both sides of the ladder-shaped speed reducer (1), and the mounting holes (3) are connected and fixed to the ground by bolts.

3. A roadbed and pavement deceleration device according to claim 1, characterized in that: The rotating rod (6) is fixedly provided with a plurality of external threads (7), two adjacent external threads (7) are symmetrically arranged, and a slider (8) is threadedly connected to the external thread (7), and the slider (8) is fixedly connected to a T-block (9).

4. A roadbed and pavement deceleration device according to claim 1, characterized in that: One end of the rotating rod (6) is fixedly connected to a driving block (10), one side of the driving block (10) is provided with a cross slot (11), and a baffle (12) is hingedly connected to the trapezoidal speed reducer (1), and the baffle (12) is connected to the trapezoidal speed reducer (1) at a rotating shaft via a torsion spring (13).

5. A roadbed and pavement deceleration device according to claim 4, characterized in that: One side of the baffle (12) is fixedly connected to a limiting plate (14), and the limiting plate (14) is snap-fitted with the cross groove (11).

Images