Line drawing device for highway construction

Abstract

The utility model discloses a line drawing device for highway construction, which belongs to the technical field of highway construction and comprises a bottom frame, a movable mechanism comprises a sliding block slidably connected into a movable groove through a sliding groove, the upper end face of the sliding block is fixedly connected with a rotating shaft, and the lower end face of the sliding block is fixedly connected with an electric telescopic rod. A first servo motor is installed at the output end of the electric telescopic rod, a coating box is fixedly connected to the output end of the first servo motor, a brush is fixedly connected to the lower end face of the coating box, and the first servo motor is driven to move up and down through the output end of the electric telescopic rod, so that the coating box and the brush move along with the first servo motor, and the height of the brush is convenient to adjust; the output end of the first servo motor drives the coating box and the brush to rotate, the angle of the brush is changed, the width of a drawing strip is changed, the widths of different lines are conveniently adjusted, the practicability of the device is improved, and the device has the advantages that the distance between two lines can be adjusted, dotted lines can be conveniently drawn, and the widths of the lines can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of highway construction, in particular to a line drawing device for highway construction. Background Art

[0002] Highway, literally meaning "road for public transportation," is an engineering facility for various vehicles (including trackless vehicles) and pedestrians. Based on their usage, they are categorized as urban roads, highways, factory and mining roads, forest roads, and rural roads. According to relevant highway management regulations and technical standards, highways are public roads for motor vehicle travel between cities, between urban and rural areas, and between rural areas, and across the countryside, constructed in accordance with national highway engineering technical standards and approved by the highway authorities. Highway construction requires marking of the roads.

[0003] When using existing line drawing devices, most of them can only draw one line at a time. When drawing double lines, the effect is not good and it is time-consuming and labor-intensive. There are also devices that can draw double lines, but the existing devices are not convenient for adjusting the distance between the two lines, and the existing devices are not convenient for drawing dotted lines. When it is necessary to draw dotted lines or one solid and one dotted line, the operation is troublesome and the practicality is poor. The existing devices are also not easy to adjust the width of the lines. Utility Model Content

[0004] In order to solve the problems in the above background, the utility model provides a line drawing device for highway construction, which has the characteristics of being able to adjust the distance between two lines, facilitating the drawing of dotted lines, and being able to adjust the width of the lines.

[0005] The utility model is realized as follows: a road construction marking device comprises a bottom frame, a fixing plate is fixedly connected to the rear end surface of the bottom frame, a support frame is fixedly connected to the upper end surface of the bottom frame, and two symmetrically distributed movable grooves are formed through the upper end surface of the support frame, and movable mechanisms are provided inside the two movable grooves;

[0006] The movable mechanism includes a slider slidably connected to the inside of the movable groove through a slide groove, the upper end surface of the slider is fixedly connected to the rotating shaft, the lower end surface of the slider is fixedly connected to the electric telescopic rod, the output end of the electric telescopic rod is installed with a first servo motor, the output end of the first servo motor is fixedly connected to the paint box, and the lower end surface of the paint box is fixedly connected to a brush;

[0007] The bottom frame is fixedly connected to a bottom plate, the upper end surface of the bottom plate is fixedly connected to a material box, a material pump is installed inside the material box, the output end of the material pump is connected to a discharge pipe extending to the outside of the material box, the other end of the discharge pipe is connected to two hoses through a tee pipe, and the other ends of the two hoses are respectively connected to two paint boxes;

[0008] An adjustment mechanism is provided between the support frame and the fixing plate.

[0009] In order to drive the movable block to move back and forth, as a preferred device for marking lines for highway construction of the present invention, the adjusting mechanism includes a fixed block fixedly connected to the upper end face of the support frame, a screw is rotatably connected between the fixed block and the fixed plate, the outer wall of the screw is threadedly connected to the movable block, a connecting rod is movably connected between the movable block and the rotating shaft, a second servo motor is installed on the rear end face of the fixed plate, and the output end of the second servo motor is fixedly connected to the screw.

[0010] In order to facilitate the movement of the marking device, as a preferred marking device for highway construction of the present invention, the upper end surface of the fixed plate is fixedly connected to two symmetrically distributed push rods, and the bottom of the fixed plate and the bottom of the bottom frame are provided with multiple universal wheels.

[0011] In order to facilitate the control of the discharge of materials, as a preferred embodiment of the road construction marking device of the present invention, solenoid valves are provided at the connections between the two hoses and the tee pipe.

[0012] In order to better impregnate the brush with paint, as a preferred device for marking lines for highway construction of the present invention, a plurality of feeding holes are formed through the lower end surface of the paint box.

[0013] In order to prevent the connecting rod from falling off from the outer wall of the rotating shaft, as a preferred embodiment of the road construction marking device of the present invention, the upper end surface of the rotating shaft is fixedly connected to a limit plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model drives the screw to rotate through the output end of the second servo motor, so that the movable block moves back and forth on the outer wall of the screw, the two connecting rods change their angles, and the two rotating shafts drive the slider to move inside the movable groove, so that the electric telescopic rod, the first servo motor, the paint box and the brush follow the movement, and the two movable mechanisms are adjusted to a suitable spacing, which is convenient for adjusting the distance between the two lines, and the double-line drawing effect is better, saving time and effort.

[0016] In addition, the utility model drives the first servo motor to move up and down through the output end of the electric telescopic rod, so that the paint box and the brush follow the movement, which is convenient for adjusting the height of the brush and making it more convenient for the device to draw dotted lines. The output end of the first servo motor drives the paint box and the brush to rotate, changing the angle of the brush, so that the width of the drawing strip is changed, which is convenient for adjusting different line widths and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of a road construction marking device of the utility model;

[0018] Figure 2 This is the overall cutaway structural diagram of the present utility model;

[0019] Figure 3 It is a partial cutaway structural diagram of the present utility model;

[0020] Figure 4 For this utility model Figure 3 A is the enlarged structural diagram.

[0021] In the figure, 1. bottom frame; 2. fixed plate; 3. universal wheel; 4. support frame; 5. movable groove; 6. slider; 7. rotating shaft; 8. limit plate; 9. electric telescopic rod; 10. first servo motor; 11. paint box; 12. brush; 13. discharge hole; 14. fixed block; 15. screw; 16. movable block; 17. connecting rod; 18. second servo motor; 19. bottom plate; 20. material box; 21. suction pump; 22. discharge pipe; 23. solenoid valve; 24. hose; 25. push rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0024] See also Figure 1-4 A road construction marking device includes a bottom frame 1, a fixing plate 2 is fixedly connected to the rear end surface of the bottom frame 1, a support frame 4 is fixedly connected to the upper end surface of the bottom frame 1, and two symmetrically distributed movable grooves 5 are formed on the upper end surface of the support frame 4, and movable mechanisms are provided inside the two movable grooves 5;

[0025] The movable mechanism includes a slider 6 slidably connected to the movable groove 5 through a slide groove, the upper end surface of the slider 6 is fixedly connected to the rotating shaft 7, the lower end surface of the slider 6 is fixedly connected to the electric telescopic rod 9, the output end of the electric telescopic rod 9 is installed with a first servo motor 10, the output end of the first servo motor 10 is fixedly connected to the paint box 11, and the lower end surface of the paint box 11 is fixedly connected to a brush 12;

[0026] A bottom plate 19 is fixedly connected to the interior of the bottom frame 1, and a material box 20 is fixedly connected to the upper end surface of the bottom plate 19. A material pump 21 is installed inside the material box 20. The output end of the material pump 21 is connected to a discharge pipe 22 extending to the outside of the material box 20. The other end of the discharge pipe 22 is connected to two hoses 24 through a tee pipe. The other ends of the two hoses 24 are respectively connected to the two paint boxes 11;

[0027] An adjustment mechanism is provided between the support frame 4 and the fixing plate 2 .

[0028] In this embodiment: the paint inside the material box 20 is extracted by the extraction pump 21, and enters the interior of the two paint boxes 11 through the two hoses 24 through the three-way pipe. The adjustment mechanism drives the slider 6 through the rotating shaft 7 to move the slider 6 inside the movable groove 5, driving the electric telescopic rod 9, the first servo motor 10, the paint box 11 and the brush 12 to follow the movement, and adjust the two movable mechanisms to a suitable spacing to facilitate adjustment of the distance between the two lines. The first servo motor 10 is driven up and down by the output end of the electric telescopic rod 9 to move the paint box 11 and the brush 12 to follow the movement, which is convenient for adjusting the height of the brush 12 and making the device more convenient to draw dotted lines. The paint box 11 and the brush 12 are driven to rotate by the output end of the first servo motor 10 to change the angle of the brush 12, so that the width of the painting strip changes, which is convenient for adjusting different line widths.

[0029] As a technical optimization solution of the present utility model, the adjustment mechanism includes a fixed block 14 fixedly connected to the upper end face of the support frame 4, a screw 15 is rotatably connected between the fixed block 14 and the fixed plate 2, a movable block 16 is threadedly connected to the outer wall of the screw 15, a connecting rod 17 is movably connected between the movable block 16 and the rotating shaft 7, a second servo motor 18 is installed on the rear end face of the fixed plate 2, and the output end of the second servo motor 18 is fixedly connected to the screw 15.

[0030] In this embodiment, the screw 15 is driven to rotate by the output end of the second servo motor 18, so that the movable block 16 moves back and forth on the outer wall of the screw 15, the two connecting rods 17 change their angles, and the two rotating shafts 7 drive the slider 6 to move inside the movable groove 5, making the operation more convenient.

[0031] As a technical optimization solution of the present invention, the upper end surface of the fixed plate 2 is fixedly connected to two symmetrically distributed push rods 25, and a plurality of universal wheels 3 are provided at the bottom of the fixed plate 2 and the bottom frame 1.

[0032] In this embodiment, the push rod 25 facilitates pushing the line drawing device, and the universal wheel 3 makes the line drawing device easier to move.

[0033] As a technical optimization solution of the present invention, solenoid valves 23 are provided at the connection points between the two hoses 24 and the three-way pipe.

[0034] In this embodiment, the paint entering the two hoses 24 is controlled by two solenoid valves 23 respectively, which makes the operation more convenient.

[0035] As a technical optimization solution of the present invention, a plurality of feeding holes 13 are formed through the lower end surface of the paint box 11 .

[0036] In this embodiment, the paint in the paint box 11 can flow out more easily through the discharge hole 13 to impregnate the brush 12 , so that the lines drawn are more uniform.

[0037] As a technical optimization solution of the present invention, the upper end surface of the rotating shaft 7 is fixedly connected to a limiting plate 8.

[0038] In this embodiment, the limiting plate 8 prevents one end of the connecting rod 17 from being separated from the outer wall of the rotating shaft 7 .

[0039] The working principle and usage process of the utility model are as follows: first, paint is added to the interior of the material box 20, and then the output end of the second servo motor 18 drives the screw 15 to rotate, so that the movable block 16 moves back and forth on the outer wall of the screw 15, so that the two connecting rods 17 change their angles, so that the two rotating shafts 7 drive the slider 6 to move inside the movable groove 5, so that the electric telescopic rod 9, the first servo motor 10, the paint box 11 and the brush 12 follow the movement, and the two movable mechanisms are adjusted to a suitable spacing to facilitate the adjustment of the distance between the two lines;

[0040] Then, the output end of the electric telescopic rod 9 drives the first servo motor 10 to move up and down, so that the paint box 11 and the brush 12 move accordingly, which is convenient for adjusting the height of the brush 12 and making it more convenient for the device to draw dotted lines. The output end of the first servo motor 10 drives the paint box 11 and the brush 12 to rotate, changing the angle of the brush 12, so that the width of the drawing strip is changed, which is convenient for adjusting different line widths;

[0041] Then, the paint inside the material box 20 is extracted through the extraction pump 21, and the paint entering the two hoses 24 is controlled by two solenoid valves 23 respectively. The paint enters the interior of the two paint boxes 11 through the two hoses 24, and then the paint inside the paint box 11 is made to flow out more easily through the discharge hole 13 to dip the brush 12, so that the drawn lines are more uniform and the operation is more convenient.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A road construction marking device, comprising a bottom frame (1), characterized in that: The rear end face of the bottom frame (1) is fixedly connected to a fixed plate (2), the upper end face of the bottom frame (1) is fixedly connected to a support frame (4), the upper end face of the support frame (4) is provided with two symmetrically distributed movable grooves (5), and movable mechanisms are provided inside the two movable grooves (5); The movable mechanism comprises a slider (6) slidably connected to the inside of the movable groove (5) through a slide groove, the upper end surface of the slider (6) is fixedly connected to a rotating shaft (7), the lower end surface of the slider (6) is fixedly connected to an electric telescopic rod (9), the output end of the electric telescopic rod (9) is installed with a first servo motor (10), the output end of the first servo motor (10) is fixedly connected to a paint box (11), and the lower end surface of the paint box (11) is fixedly connected to a brush (12); The bottom frame (1) is fixedly connected to a bottom plate (19) on the inside, and a material box (20) is fixedly connected to the upper end surface of the bottom plate (19). A material pump (21) is installed inside the material box (20). The output end of the material pump (21) is connected to a discharge pipe (22) extending to the outside of the material box (20). The other end of the discharge pipe (22) is connected to two hoses (24) through a three-way pipe. The other ends of the two hoses (24) are respectively connected to two paint boxes (11). An adjustment mechanism is provided between the support frame (4) and the fixing plate (2).

2. A road construction line marking device according to claim 1, characterized in that: The adjustment mechanism comprises a fixed block (14) fixedly connected to the upper end surface of the support frame (4); a screw (15) is rotatably connected between the fixed block (14) and the fixed plate (2); a movable block (16) is threadedly connected to the outer wall of the screw (15); a connecting rod (17) is movably connected between the movable block (16) and the rotating shaft (7); a second servo motor (18) is installed on the rear end surface of the fixed plate (2); and an output end of the second servo motor (18) is fixedly connected to the screw (15).

3. A road construction line marking device according to claim 1, characterized in that: Two symmetrically distributed push rods (25) are fixedly connected to the upper end surface of the fixed plate (2), and a plurality of universal wheels (3) are provided at the bottom of the fixed plate (2) and the bottom frame (1).

4. A road construction line marking device according to claim 1, characterized in that: The connection points between the two hoses (24) and the three-way pipe are both provided with electromagnetic valves (23).

5. The road construction line marking device according to claim 1, characterized in that: The lower end surface of the coating box (11) is provided with a plurality of feeding holes (13).

6. A road construction line marking device according to claim 1, characterized in that: The upper end surface of the rotating shaft (7) is fixedly connected to a limiting plate (8).

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