A guide wheel device for highway marking construction

Abstract

This utility model relates to the field of highway engineering technology and discloses a highway marking construction guide wheel device, comprising: a mounting plate, a vertical shaft rotatably connected to the bottom of the mounting plate, a bracket fixedly connected to the vertical shaft, and a roller rotatably connected to the bracket; a drive structure, set on the top of the mounting plate for pushing the vertical shaft to rotate and adjust the position of the roller; and an indicator structure, including an indicator rod and a calibration rod. The indicator rod is fixedly set above the vertical shaft and has an indicator end. The calibration rod is installed near the indicator end of the indicator rod. By connecting the indicator rod to the vertical shaft and keeping them rotating synchronously, when the vertical shaft rotates to adjust the direction of travel of the roller, the indicator rod can indicate the offset angle and orientation of the roller. The calibration rod, pointing to the ground, calibrates whether the path that the vertical shaft is about to travel coincides with the marking, facilitating timely adjustment of the roller's position by the operator and making observation convenient.

Description

Technical Field

[0001] This utility model relates to the field of highway engineering technology, and in particular to a guide wheel device for highway marking construction. Background Technology

[0002] Road markings are an important technical measure to guide traffic signs and ensure traffic safety. They are an essential part of highway construction. Road markings require marking devices to implement them. Marking mainly refers to conveying information to traffic participants on the road surface using lines, arrows, words, vertical markings, raised pavement markers, and delineators.

[0003] A search revealed a prior art device for rapid road marking in highway construction (publication number: CN112127260A), comprising a push rod, a main support rod connected to the lower end of the push rod, a base connected to one side of the main support rod, a drive wheel located at the rear of the lower end of the base, and a sweeping roller connected to the front of the lower end of the base. A guide wheel is located on the lower surface of the front end of the main support rod, and a positioning rod is connected to one side of the main support rod behind the guide wheel. A connecting rod is located on the outer side of the front end of the main support rod corresponding to the guide wheel, and a first push rod and a second push rod are arranged side by side on the inner side of the connecting rod corresponding to the front and rear ends of the guide wheel.

[0004] Existing technology mainly uses a rotatable guide wheel, which is driven to rotate by two push rods. However, the angle of the guide wheel after rotation is not easy for the operator to observe. Usually, the guide wheel is located at the front of the vehicle and the drive wheel is located at the rear. The operator operates from the rear of the vehicle, making it difficult to dynamically adjust the vehicle's driving path during driving to ensure accurate marking. There is room for optimization.

[0005] Therefore, we propose a guide wheel device for highway marking construction. Utility Model Content

[0006] The present invention mainly solves the above-mentioned technical problem of inconvenience in observing the position and angle of the wheels during driving, and provides a guide wheel device for highway marking construction.

[0007] To achieve the above objectives, this utility model adopts the following technical solution: a highway marking construction guide wheel device, comprising:

[0008] The mounting base plate has a vertical shaft rotatably connected to its bottom, a bracket is fixedly connected to the vertical shaft, and rollers are rotatably connected to the bracket.

[0009] The drive structure, located at the top of the mounting plate, is used to drive the vertical shaft to rotate and adjust the position of the rollers;

[0010] An indicator structure is provided above a vertical axis and rotates synchronously with the vertical axis to display the angle of the display roller. The indicator structure includes an indicator rod and a calibration rod. The indicator rod is fixedly positioned above the vertical axis and has an indicator end. The calibration rod is installed near the indicator end of the indicator rod.

[0011] In a preferred embodiment of this utility model, the mounting base plate has several mounting holes through it, and the mounting base plate also has a circular hole with a bearing embedded in it. The vertical shaft is rotatably connected to the mounting base plate through the bearing.

[0012] In a preferred embodiment of this utility model, the drive structure includes a motor, a worm gear, and a worm wheel. The motor is fixedly mounted to the mounting base plate, the worm gear is fixedly connected to the output shaft of the motor, the end of the vertical shaft is fixedly mounted with a worm wheel that meshes with the worm gear, and the indicator rod is fixedly mounted to the worm wheel.

[0013] In a preferred embodiment of this utility model, the top of the mounting plate is provided with a detachable protective cover, the output shaft of the motor passes through the protective cover, the protective cover has a cavity, and the worm gear and worm are both located inside the cavity of the protective cover.

[0014] In a preferred embodiment of this utility model, a connecting shaft is fixedly installed at the bottom of the indicator rod, the indicator rod is located outside the protective cover, and the connecting shaft passes through the top of the protective cover and connects to the worm gear.

[0015] In a preferred embodiment of this utility model, the top of the indicator rod is provided with an assembly hole, and the calibration rod is installed in the assembly hole.

[0016] In a preferred embodiment of this utility model, a controller is installed inside the protective cover, and the motor is electrically connected to the controller.

[0017] This utility model provides a guide wheel device for highway marking construction. It has the following beneficial effects:

[0018] 1. This is a highway marking construction guide wheel device. By connecting the indicator rod to the vertical shaft and keeping them rotating synchronously, when the vertical shaft rotates to adjust the direction of travel of the roller, the indicator rod can indicate the offset angle and orientation of the roller. In conjunction with the calibration rod pointing to the ground, it can calibrate whether the path that the vertical shaft is about to travel coincides with the marking, so that the operator can adjust the position of the roller in time and make it easy to observe.

[0019] The position of the calibration rod can be adjusted by threading it into the mounting hole. The distance between the end of the calibration rod and the ground can be flexibly adjusted as needed for easy observation.

[0020] 2. This highway marking construction guide wheel device uses the output shaft of a motor to drive a worm gear to rotate several times. The worm gear then drives a worm wheel to rotate at a certain angle, allowing the vertical shaft to rotate synchronously and at the same angle as the worm wheel. This achieves precise control of the roller. The protective cover keeps the worm gear and worm wheel in a relatively sealed environment, preventing exposure to dust and ensuring their service life. Compared to existing technologies that use two push rods to drive the vertical shaft, this solution has a more reasonable layout, a compact structure, and is easier to control. It also has lower operating and maintenance costs, and the vertical shaft can rotate at a larger angle, facilitating large-angle steering of the roller. Attached Figure Description

[0021] Figure 1 This is one of the overall perspective views of this utility model;

[0022] Figure 2 This is the second overall perspective view of the present utility model;

[0023] Figure 3 This is a perspective view of the drive structure and mounting plate of this utility model;

[0024] Figure 4 This is a perspective view of the worm gear and vertical shaft installation of this utility model;

[0025] Figure 5 This is an assembly drawing of the calibration rod and indicator rod of this utility model.

[0026] Legend: 10. Mounting plate; 11. Bracket; 12. Roller; 13. Vertical shaft; 20. Motor; 21. Worm gear; 22. Worm wheel; 23. Indicator rod; 24. Calibration rod; 25. Assembly hole. Detailed Implementation

[0027] A road marking construction guide wheel device, such as Figure 1 and Figure 2 As shown, it includes:

[0028] Mounting base plate 10, with a vertical shaft 13 rotatably connected to its bottom. A bracket 11 is fixedly connected to the vertical shaft 13, and rollers 12 are rotatably connected to the bracket 11. The bracket 11 is formed as a trapezoidal angle iron. The rollers 12 are rotatably connected to the bracket 11 via a pivot. The vertical shaft 13 is fixedly mounted on the top of the bracket 11. The rollers 12 contact the ground for support and movement. Mounting base plate 10 has several through-holes and a circular hole with a bearing embedded within it. The vertical shaft 13 is rotatably connected to the mounting base plate 10 via the bearing, ensuring low resistance during rotation. The mounting holes are used to mount the mounting base plate 10 and the vehicle. The vehicle used in this design is a manual trolley, with the rollers 12 serving as guides. The manual trolley is also rotatably connected to two other wheels, which, along with the rollers 12, contact the ground for support and movement.

[0029] like Figure 1 , Figure 2 and Figure 5 As shown, the indicator structure is set above the vertical axis 13 and rotates synchronously with the vertical axis 13 to display the angle of the display roller 12. The indicator structure includes an indicator rod 23 and a calibration rod 24. The indicator rod 23 is fixedly set above the vertical axis 13 and has an indicator end. The calibration rod 24 is installed near the indicator end of the indicator rod 23. The top of the indicator rod 23 has an assembly hole 25, and the calibration rod 24 is installed in the assembly hole 25.

[0030] Specifically, by connecting the indicator rod 23 to the vertical shaft 13 and keeping them rotating synchronously, when the vertical shaft 13 rotates to adjust the direction of travel of the roller 12, the indicator rod 23 can indicate the offset angle and orientation of the roller 12. In conjunction with the calibration rod 24 pointing to the ground, it can calibrate whether the path that the vertical shaft 13 is about to travel coincides with the marking line, so that the operator can adjust the position of the roller 12 in time and make it easy to observe.

[0031] The mounting hole 25 can be a threaded hole. By threading the calibration rod 24 into the mounting hole 25, the position of the calibration rod 24 can be adjusted. The distance between the end of the calibration rod 24 and the ground can be flexibly adjusted according to the needs to facilitate observation.

[0032] like Figure 1 , Figure 3 and Figure 4 As shown, the drive structure is set on the top of the mounting plate 10 to push the vertical shaft 13 to rotate and adjust the position of the roller 12;

[0033] The drive structure includes a motor 20, a worm 21, and a worm wheel 22. The motor 20 is fixedly mounted to the mounting plate 10. The worm 21 is fixedly connected to the output shaft of the motor 20. The end of the vertical shaft 13 is fixedly mounted with the worm wheel 22, which meshes with the worm 21. The indicator rod 23 is fixedly mounted with the worm wheel 22. A removable protective cover is provided on the top of the mounting plate 10. The output shaft of the motor 20 passes through the protective cover. The protective cover has a cavity. The worm wheel 22 and the worm 21 are both located in the cavity of the protective cover. A connecting shaft is fixedly mounted on the bottom of the indicator rod 23. The indicator rod 23 is located outside the protective cover. The connecting shaft passes through the top of the protective cover and connects to the worm wheel 22. A controller is installed inside the protective cover. The motor 20 is electrically connected to the controller.

[0034] The controller can be a PLC controller, and the motor 20 is a servo motor. The controller controls the motor 20 and needs to be connected to a power source. The output shaft of the motor 20 drives the worm gear 21 to rotate several times. The worm gear 21 drives the worm wheel 22 to rotate at a certain angle, so that the vertical shaft 13 can rotate synchronously and at the same angle as the worm wheel 22, thus achieving precise control of the roller 12. The protective cover can place the worm gear 21 and worm wheel 22 in a relatively sealed environment to prevent exposure to dust and ensure the service life of the worm gear 21 and worm wheel 22. Compared with the existing technology that uses two push rods to drive the vertical shaft 13 to rotate, this solution has a more reasonable layout, a compact structure, and is easier to control. It also has lower usage and maintenance costs. The vertical shaft 13 can rotate at a larger angle, which facilitates the roller 12 to make large-angle turns.

[0035] The working principle of this utility model is as follows: The controller can be a PLC controller, and the motor 20 is a servo motor. The controller controls the motor 20 and needs to be connected to a power source. The output shaft of the motor 20 drives the worm gear 21 to rotate several times. The worm gear 21 drives the worm wheel 22 to rotate at a certain angle, so that the vertical shaft 13 can rotate synchronously and at the same angle with the worm wheel 22, thereby achieving precise control of the roller 12. The protective cover can place the worm gear 21 and worm wheel 22 in a relatively sealed environment to prevent exposure to dust and ensure the service life of the worm gear 21 and worm wheel 22. The rotation of the worm wheel 22 will also drive the indicator rod 23 to rotate at the same angle. When the vertical shaft 13 rotates to adjust the travel direction of the roller 12, the indicator rod 23 can indicate the offset angle and orientation of the roller 12. With the calibration rod 24 pointing to the ground, it can be used to calibrate whether the path that the vertical shaft 13 is about to travel coincides with the marking line, so that the operator can adjust the position of the roller 12 in time.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A guide wheel device for highway marking construction, characterized in that, include: Mounting base plate (10), the bottom of the mounting base plate (10) is rotatably connected to a vertical shaft (13), the vertical shaft (13) is fixedly connected to a bracket (11), and the bracket (11) is rotatably connected to a roller (12). A drive structure is provided on the top of the mounting plate (10) to drive the vertical shaft (13) to rotate and adjust the position of the roller (12); An indicator structure is set above the vertical axis (13) and rotates synchronously with the vertical axis (13) to display the angle of the display roller (12). The indicator structure includes an indicator rod (23) and a calibration rod (24). The indicator rod (23) is fixedly set above the vertical axis (13) and has an indicator end. The calibration rod (24) is installed on the indicator rod (23) near the indicator end.

2. The highway marking construction guide wheel device according to claim 1, characterized in that: The mounting plate (10) has several mounting holes through it, and the mounting plate (10) also has a round hole with a bearing embedded in it. The vertical shaft (13) is rotatably connected to the mounting plate (10) through the bearing.

3. The highway marking construction guide wheel device according to claim 1, characterized in that: The drive structure includes a motor (20), a worm (21) and a worm wheel (22). The motor (20) is fixedly installed on the mounting base plate (10). The worm (21) is fixedly connected to the output shaft of the motor (20). The end of the vertical shaft (13) is fixedly installed with the worm wheel (22) meshing with the worm (21). The indicator rod (23) is fixedly installed with the worm wheel (22).

4. The highway marking construction guide wheel device according to claim 3, characterized in that: The top of the mounting plate (10) is provided with a removable protective cover, the output shaft of the motor (20) passes through the protective cover, the protective cover has a cavity, and the worm gear (22) and worm (21) are both located in the cavity of the protective cover.

5. The highway marking construction guide wheel device according to claim 3, characterized in that: The bottom of the indicator rod (23) is fixedly installed with a connecting shaft. The indicator rod (23) is located outside the protective cover. The connecting shaft passes through the top of the protective cover and is connected to the worm gear (22).

6. The highway marking construction guide wheel device according to claim 5, characterized in that: The top of the indicator rod (23) is provided with an assembly hole (25), and the calibration rod (24) is installed in the assembly hole (25).

7. The highway marking construction guide wheel device according to claim 4, characterized in that: The protective cover is equipped with a controller, and the motor (20) is electrically connected to the controller.

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