JPH04122713U - Road line erasing machine - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the work effort of road line erasing machine,
Also, the cutter drum and the like in the cutter device can be easily replaced. [Structure] A drive shaft 8 with drive wheels 4 connected to both ends is attached to one end side of a movable frame 5, and an engine 12 connected to the drive shaft 8 and a cutter device 18 connected to the engine 12 are attached to the movable frame 5. Install. A steering frame 3 having a steering wheel 2 attached to one end is provided, and the other end of the steering frame 3 and one end of the movable frame 5 are connected by a support shaft having an axis parallel to the drive shaft 8. . The movable frame 5 is rotatably provided around the support shaft between an upright position where it is approximately upright and a working position where it is approximately horizontal and the cutter device 18 is brought into contact with the road surface.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention eliminates road surface lines, etc. that indicate traffic divisions painted on the surface of paved roads. This invention relates to a road surface line erasing machine.

0002

[Conventional technology]

The general structure of a conventional road line erasing machine is a first frame with wheels attached. The second frame to which the engine and cutter device are attached is vertically is movably connected to. The driving force from the engine is then used to drive the cutter device. It is used only for driving, and the running of the road surface line erasing machine is carried out manually by the worker. I'm going there. In addition, moving the second frame upward means moving the cutter device onto the road surface. This is for driving away from the road surface line erasing machine when the machine is not working. When the cutter device is placed on the road surface, move the second frame upwards. It is causing people to turn away from the government.

0003

[Problem that the idea aims to solve]

Because the road line erasing machine is operated manually by workers, Erasing road lines requires a lot of effort.

0004 Also, when replacing the cutter drum or cutter pin in the cutter device, , the entire road line erasing machine was turned sideways, which was very time-consuming. There is.

[0005]

[Means to solve the problem]

In the invention described in claim 1, the drive shaft with drive wheels connected to both ends is attached to one part of the movable frame. An engine and an engine connected to the drive shaft are attached to the end side and connected to the movable frame. A cutter device connected to this engine is attached, and a steering wheel is attached to one end. A steering frame is provided, and the other end of the steering frame is and one end side of the movable frame are connected by a support shaft having an axis parallel to the drive shaft. and the movable frame is placed in an upright position around the support shaft and in a substantially horizontal position. When the cutter device is in the state, it can be freely rotated to a working position where the cutter device is brought into contact with the road surface. It was established in

[0006] In the invention according to claim 2, in the invention according to claim 1, the cutter device is placed on the road surface. Rotate the spring that biases the movable frame downward to the working position. In addition to being removably installed between the movable frame and the steering frame, A biasing force release means is provided to release the biasing force of the spring.

[0007] In the device recited in claim 3, in the device recited in claim 1 or 2, the device rotates to the working position. It is stretched between the moved movable frame and the steering frame, and the cup is a spring that biases the movable frame downward to press the tar device against the road surface; A tilt mechanism is provided to raise the movable frame against the biasing force.

[0008] In the device according to claim 4, in the device according to claim 1, 2 or 3, the circumference of the support shaft is A vibration isolating member was installed around the area.

[0009]

[Effect]

In the invention according to claim 1, the driving wheels are driven by the driving force from the engine. This greatly reduces the labor required for the work. In addition, the movable frame can be almost straightened. The cover attached to the movable frame can be rotated to the upright position. The cutter device is far away from the road surface, and the cutter device is -Drums and cutter pins can be easily replaced.

0010 In the invention according to claim 2, the cutter device is moved by the biasing force of the spring. Ability to scrape road surface lines with a cutter device by being pressed against the road surface The road surface line can be reduced by adjusting the biasing force of the spring. You can adjust the performance of Furthermore, the spring is biased by the biasing force release means. The movable frame is removed by releasing the force and then removing at least one end of the spring. It becomes possible to rotate the arm to the upright position.

[0011] In the invention according to claim 3, the movable frame is moved by operating the tilt mechanism. The arm rises and the cutter device separates from the road surface.

0012 In the device according to claim 4, the vibration isolating member acts to reduce the amount of noise from the cutter device. Vibration is prevented from being transmitted directly to the worker.

[0013]

【Example】

An embodiment of the present invention will be described based on the drawings. First, the road line erasing machine 1 , a steering frame 3 to which the steering wheels 2 are attached, and a driving wheel 4 to which the steering wheels 2 are attached. A movable frame 5 is provided, and the steering wheel 2 is connected to the steering frame. The driving wheel 4 is attached to one end of the movable frame 5, which is the rear side. It is attached to the front side, which is the end side. And these steering frames 3 and the movable frame 5 are rotatably connected by a support shaft, which will be described later.

[0014] Here, a mounting frame 6 is fixed to the front lower part of the movable frame 5. , a hydraulic continuously variable transmission 7 is held in the front part of this mounting frame 6. The drive wheels 4 are connected to both ends of a drive shaft 8 that protrudes laterally from the machine 7. Also , a support frame 9 is fixed to the side surface on the front end side of the movable frame 5. Attached to the front end of the steering frame 3 via a vibration isolating rubber 10 which is a vibration isolating member. A bent support shaft 11 is rotatably supported by the support frame 9. In addition, before The support shaft 11 is disposed at a position slightly rearward with respect to the drive shaft 8, and The movable frame 5 is arranged with an axis parallel to the drive shaft 8, and the movable frame 5 is arranged with an axis parallel to the drive shaft 8. 11, the working position is approximately horizontal as shown in Figure 1, and the approximately vertical position is as shown in Figure 3. It is rotatably provided between an upright position and an upright position.

[0015] Next, on the upper side of the movable frame 5, an engine 12 and a road surface line are disposed. A water tank that stores water to be sprayed to prevent dust from accumulating during work. the tank 13, the fuel tank 14, and the movable frame 5 to the upright position shown in FIG. The lifting arm 15 for rotational operation and the movable frame 5 have been rotated to the standing position. A stop arm 16 that touches the ground when There is. Further, a cutter device 18 is attached to the lower side of the movable frame 5. This cutter device 18 includes a cutter 19 and a cover that covers the outer periphery of the cutter 19. The cutter 1 is composed of a cutter cover 20 and a seal rubber 21. Reference numeral 9 indicates a cutter drive shaft 22 and a cutter attached to the lower end of the cutter drive shaft 22. cutter rotor 23, and a plurality of rotatable rotors attached to the side of the cutter rotor 23. cutter drum 24 and a number of cutters implanted on the outer peripheral surface of the cutter drum 24. It is composed of a turpin 25.

[0016] Pulleys 27 and 28 are fixed to the output shaft 26 of the engine 12. There is a movement between the pulley 27 and a pulley 29 fixed to the upper end of the cutter drive shaft 22. A V-belt 30 for force transmission is wound around it. Further, the input of the hydraulic continuously variable transmission 7 is A cooling fan 31 and a pulley 32 are fixed to the upper end of the power shaft 7a. A V-belt 33 for power transmission is wound between the pulley 32 and the pulley 28. There is. The lifting arm 15 is provided with a switch for switching forward and backward movement of the hydraulic continuously variable transmission 7. A speed change operation lever 34 for increasing and decelerating is also attached.

[0017] Next, the rear end side of the movable frame 5 and the rear end side of the steering frame 3 In the working position where the movable frame 5 is in a substantially horizontal state, the movable frame 5 is The cutter device 18 is connected to the steering frame 5 and the steering frame 3. The movable frame 5 is urged downward to press the cutter pin 25 against the road surface. A coupling device 35 is provided. This connecting device 35 is connected to the spring frame. 17 and an adjustment handle attached to the upper end of the spring frame 17. Spring tensioner 37 that can be moved vertically by rotating 36 is rotatably connected to the lower end of the spring tensioner 37 by a support shaft 38. The spring tension lever 39, which is a biasing force release means, and the steering The lever mounting plate 40 fixed to the frame 3 and the lever mounting plate 40 A fixed hook 41, one end of which is detachably engaged with the hook 41, and the other end of which is detachably engaged with the hook 41. The end is removably engaged with a long hole 42 formed in the spring tension lever 39. The spring 43 is stopped. Note that the spring tension The adjustment handle 37 is provided with a spring tension that is applied when the adjustment handle 36 is rotated. It moves up and down integrally with the spring 37, and the biasing force of the spring 43 can be visually observed. A tension scale 44 is attached for this purpose. In addition, the spring By rotating the tension lever 39 to the position shown in FIG. The biasing force of the ring 43 is released, and the spring 43 can be easily removed.

[0018] Next, on the upper part of the lever mounting plate 40, the spring 43 is biased. A tilt mechanism 45 for rotating the movable frame 5 in the upward direction against force is provided. It is. This tilt mechanism 45 has one end rotatably supported by a support shaft 46. A tilt arm 47 and a roller rotatably attached to the other end of the tilt arm 47 48, and a tilt lever 49 that rotates the tilt arm 47 around the support shaft 46. , while being fixed to the spring frame 17 and during the tilt operation shown in FIG. and a plate 50 against which the roller 48 comes into contact.

[0019] A steering wheel having a vertical axis is provided at the rear end of the steering frame 3. A steering post 51 is attached so as to be rotatable around the axis. The steering wheel 2 is attached to the lower end of the steering wheel 51. On the other hand, the steering post A steering handle 52 for steering the steering wheel 2 is provided on the upper part of the steering wheel 51. is fixed. Further, a weight 5 is provided at the rear of the steering frame 3. 3 and step 54 are attached.

[0020] First, we will explain how to erase the road surface lines in such a configuration. I will clarify. The movable frame 5 has been rotated to the working position shown in FIG. A spring 43 is inserted between the elongated hole 42 of the pulling tension lever 39 and the hook 41. is tensioned, and the spring tension lever 39 is rotated to the position shown in FIG. being moved. Therefore, the biasing force of the spring 43 is applied to the movable frame 5 by the support shaft 11. The cutter pin 2 of the cutter device 18 5 is pressed against the road surface. Note that the spring tension can be adjusted by rotating the rotation handle 36. By moving the tensioner 37 upward, the biasing force of the spring 43 increases. , the pressing force of the cutter pin 25 against the road surface increases. Meanwhile, rotate the rotation handle 36. By moving the spring tensioner 37 downward, the spring tensioner 37 can be moved downward. As the urging force of the ring 43 becomes smaller, the pressing force of the cutter pin 25 against the road surface becomes smaller. It gets colder.

[0021] Next, when the engine 12 is started, the driving force from the engine 12 is applied to the pulley 2. 8, 32 and the belt 33 to the hydraulic continuously variable transmission 7. 34 from the neutral position to the forward or reverse position, the drive shaft 8 and the drive The driving wheels 4 are rotationally driven, and the road line erasing machine 1 moves forward or backward. Also, The driving force from the engine 12 is transmitted to the cutter device 1 via pulleys 27 and 29 and a belt 30. 8, and as the cutter 19 rotates around the cutter drive shaft 22, Each cutter drum 24 rotates due to the resistance that the cutter pin 25 receives from the road surface. Ru. As the cutter 19 and each cutter drum 24 rotate, the cutter 19 and each cutter drum 24 rotate. The road surface line is scraped off and erased by the cutter pin 25 pressed against the surface. be done.

[0022] Next, when moving the road line erasing machine 1 to another work place, use the tilt tray. Rotate the bar 49 to the tilt position shown in FIG. This rotation operation allows the tilt door to As the arm 47 rotates around the support shaft 46, the roller 48 touches the lower surface of the plate 50. The spring frame 17 is pushed upward against the urging force of the spring 43. It can be raised. Then, as the spring frame 17 is pushed upward, The rear end side of the movable frame 5 rotates upward around the support shaft 11, and the cutter device 18 moves away from the road surface. Therefore, while continuing to transmit power to the cutter drive shaft 22, Even if the road line erasing machine 1 is moved, the road surface lines to be erased will still be applied. This prevents the road surface from being scraped in areas other than the designated areas. Then move to the work place If the tilt lever 49 is returned to the position shown in FIG. As the side rotates downward around the support shaft 11, the cutter pin 25 is pressed against the road surface again. Can be attached.

[0023] Next, in the case where the cutter pin 25 becomes severely worn or damaged, The replacement work of the cutter drum 24 will be explained. First, stop the engine 12. By this, the traveling and rotation of the cutter drive shaft 22 are stopped. Then, sp Rotate the ring tension lever 39 to the position shown in FIG. spring tension When the spring 43 is rotated to the position shown in FIG. The locking position of moves along the elongated hole 42 and the biasing force of the spring 43 is released. Thus, the spring 43 can be easily removed from the hook 41 and the elongated hole 42. So Then, after removing the spring 43, lift the lifting arm 15 upward. The rear end side of the movable frame 5 is rotated upward about the support shaft 11 as shown in FIG. Rotate the movable frame 5 to the standing position and connect the stop arm 16. make it ground By rotating the movable frame 5 to the upright position in this way, the The cutter device 18 is moved far away from the road surface, making it easier to replace the cutter drum 24. can be done. After replacing the cutter drum 24, it is possible to use the support shaft 11 as a fulcrum. Rotate the rear end side of the movable frame 5 downward, and then attach the hook 41 and spring tension. A spring 43 is stretched between the extension lever 39 and the elongated hole 42, and the state shown in FIG. status and resume work.

[0024]

[Effect of the idea]

The invention according to claim 1 drives the driving wheels by the driving force from the engine as described above. By driving the road line erasing machine, it is easier for the worker to move the road line eraser. No force is required, which greatly reduces the effort required to erase road lines. In addition, the movable frame with the cutter device attached can be automatically rotated to an upright position. By rotating the movable frame to the upright position, the cutter can be - The device can be moved far away from the road surface, and the cutter device can be moved far away from the road surface. You can easily replace the cutter drum and cutter pin, and you can also As in the invention described in Section 2, a movable frame is used in a downward direction to press the cutter device against the road surface. The spring that biases the steering wheel can be attached and detached between the movable frame and the steering frame. By installing the cutter device on the road surface, the cutter device is pressed against the road surface, causing damage to the road surface. It can improve the performance of scraping lines, and also reduces the biasing force of the spring. By providing a means for releasing the biasing force, it is possible to release the biasing force of the spring. The spring can be easily removed by Along with the ease of operation, it is also easy to rotate the movable frame to the standing position. Also, as in the invention as claimed in claim 3, the movable frame in the working position can be By providing a tilt mechanism that raises the frame against the biasing force of the spring, the The cutter device can be moved slightly away from the road surface by operating the rotation mechanism. The cutter device may hit the road surface when moving the work place. In addition, as in the invention set forth in claim 4, vibration isolation is provided around the spindle. The provision of this member prevents vibrations from the cutter device from being transmitted directly to the operator. It has the effect of being able to prevent

[Brief explanation of drawings]

FIG. 1 is a side view showing the entire road surface line erasing machine.

FIG. 2 is a plan view thereof.

FIG. 3 is a side view showing a state in which the movable frame is rotated to an upright position.

FIG. 4 is an enlarged cross-sectional view showing a state in which the movable frame and the steering frame are connected by a support shaft, and a power transmission structure from the engine to the cutter device and the drive wheels.

FIG. 5 is an enlarged side view showing the coupling device and the tilt mechanism.

FIG. 6 is an enlarged rear view showing the operation state of the spring tension lever in a state where the movable frame and the steering frame are connected.

FIG. 7 is an enlarged rear view showing the operating state of the spring tension lever when removing the spring.

[Explanation of symbols]

2 Steering wheel 3 Steering frame 4 Drive wheel 5 Movable frame 8 Drive shaft 10 Vibration isolation member 11 Support shaft 12 Engine 18 Cutter device 39 Force release means 43 Spring 45 Tilt mechanism

Claims (4)

[Scope of utility model registration request] Claim 1: A drive shaft with drive wheels connected to both ends is attached to one end of a movable frame, and an engine coupled to the drive shaft and a cutter device coupled to the engine are attached to the movable frame, and a cutter device coupled to the engine is attached to the movable frame. A steering frame to which a steering wheel is attached is provided, and the other end side of this steering frame and one end side of the movable frame are connected by a support shaft having an axis parallel to the drive shaft, and the movable frame is connected to the movable frame. A road surface line erasing machine, characterized in that it is rotatably provided around a support shaft between an upright position in which the cutter device is in a substantially upright state and a working position in which it is in a substantially horizontal state and in which the cutter device is brought into contact with the road surface. 2. A spring that biases the movable frame downward to press the cutter device against the road surface is removably stretched between the movable frame rotated to the working position and the steering frame, and 2. The road surface line erasing machine according to claim 1, further comprising biasing force release means for releasing the biasing force. 3. Resisting the biasing force of a spring that is stretched between the movable frame rotated to the working position and the steering frame and biases the movable frame downward to press the cutter device against the road surface. 3. The road line erasing machine according to claim 1, further comprising a tilt mechanism for raising the movable frame. 4. The road surface line erasing machine according to claim 1, wherein a vibration isolating member is provided around the support shaft.