JPH04119806U - Cutter device for civil engineering work - Google Patents

Abstract

(57) [Summary] [Purpose] To remove road pavement, etc., make a cut with a cutting surface that is inclined to the road surface. [Structure] A cutter device for civil engineering work comprising a cutter blade 2 rotatable in a vertical plane and movable up and down on a machine base 1 having a moving means, and an elevating body to which the cutter blade 2 and its drive mechanism are attached. 3 is attached to a guide frame 5 so as to be movable up and down, and the guide frame 5 is mounted on the machine base 1 using a tilting means 7, and the cutter blade 2 is tilted to the left or right from a plane perpendicular to the road surface. Fix it at an angle,
A cutter device for civil engineering work that can be moved up and down.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is a machine that is installed on a platform with a moving means, is rotatable in a vertical plane, and can be lifted and lowered. The cutter blade is capable of making cuts in the road surface along the machine's path of movement. This invention relates to a cutter device for civil engineering work.

0002

[Conventional technology]

This kind of cutter equipment is concrete cutter or asphalt cutter. Commonly known as It will be done. Conventional cutter devices have a disc-shaped cutter attached to the lower side of a machine base equipped with wheels. -Equipped with a blade that can be raised and lowered, and a small engine installed on the machine base moves the cutter. drive the motor.

0003 Therefore, it is possible to cut into the pavement by lowering the cutter blade. The machine can be moved forward to cut the required section of pavement, but the surface of the cut is always vertical. Because it is straight, after it is cut out, it becomes a box-shaped recess surrounded by vertical walls.

0004 Therefore, when backfilling, there will be a difference in level between the repaired area and the existing area around it. There were problems that arose. Sometimes, to solve this problem, the upper part of the wall of the box-shaped recess is Instructions were given to cut diagonally. However, this work is done using a hand cutter. Either cut into an inclined plane with a tool, or change the cutting depth of the cutter blade and cut into steps. There were many problems that required a lot of time and effort.

[0005]

[Problem that the idea aims to solve]

The present invention was developed in view of the above points, and its problem is to improve the road surface. By forming slanted cuts on the ground, etc., and making it possible to cut and remove pavement, etc. be.

[0006]

[Means to solve the problem]

In order to solve the above-mentioned problems, the present invention is a cutter device for civil engineering work. A lifting body 3 for attaching the blade 2 and its drive mechanism, and holding the lifting body 3. In addition, a guide frame 5 provided with a hoistway 4 for lifting and lowering, and a guide frame 5 provided with a hoistway 4 for raising and lowering, and A lifting means 6 provided on the guide frame 5 for raising and lowering the lifting body 3 and the cutter blade. In order to tilt the radar 2 from the vertical plane to either the left or right or both directions, 1 and a tilting means 7 for supporting the guide frame 5 in a tiltable manner. It is the same thing.

[0007] The guide frame 5 is tiltably supported on the machine base 1, and the elevating body 3 is attached to the guide frame 5. Since the guide frame 5 is held so that it can be raised and lowered, the guide frame 5 is tilted by the tilting means 7, and the guide frame 5 is raised and lowered. When the lowering body 3 is lowered, a diagonal cut is made on the road surface etc. by the cutter blade 2. By moving it using a moving means, it is possible to change the road surface from a vertical surface. It is possible to cut along an inclined cutting plane.

[0008] Cutting by the cutter blade 2 involves the rotation of the blade 2 itself and the entire cutter device. It is performed with a backup consisting of the weight of the body. The inclination angle of the blade 2 is If a hydraulic cylinder is used as the tilting means 7, it can be set to any angle, and also Can be fixed at any desired angle. However, the inclination angle should be set to 45 degrees to the left or to the right. It is also possible to set it to 45 degrees and fix it at each angle.

[0009]

【Example】

This will be explained below with reference to the drawings. The example is a relatively small cutter device, with machine base 1. Front and rear wheels 9, 10 are provided under the floor of the vehicle as a means of movement, and the vehicle cannot be moved in a straight line. I can do that.

0010 A small gasoline engine is mounted on the machine base 1 as a power source 11, and it is operated by its output. A hydraulic unit 12 including a hydraulic pump is provided, and a cutter device described below is provided. Produces hydraulic pressure for the operation of. 13 is a frame set on machine stand 1 that surrounds them , and 14 is a rear wheel drive device which is a means of transportation, and is operated by operating a handle 15 on the top. The lower worm 17, which is meshed with the worm gear 16 on the axle, is rotated, and the cutter is rotated. move the target device.

[0011] The cutter blade 2, which performs the actual cutting work with the cutter device, is disc-shaped and hydraulically It is connected to the motor 20 and is provided rotatably in a vertical plane on the left side of the lower part of the machine. A hydraulic motor 20 is connected to the hydraulic unit 12 by a pipe 21. Also this In order to raise and lower the cutter blade 2 as well as tilt it, an elevating body 3 and a guide are used. A frame 5 is provided.

0012 The elevating body 3 is formed into a box shape, and a cutter blade 2 is attached to the lower part of the elevating body 3. , a hydraulic motor 20 is attached to the top, and their shafts are connected to sprockets 22 and 23. A blade drive mechanism connected via engine 24 is incorporated. 25 is the upper and lower part of the elevating body 3 Female screws 26 and 27 provided in accordance with the direction guide the elevating body 3 in the vertical direction. A pair of engagers 26 and 27 each have a hole 28 for adjusting the mounting position vertically. have many. 29 indicates a front cover, and 30 indicates a cutter cover.

[0013] The guide frame 5 is provided in the shape of a square frame in order to raise and lower the elevating body 3. In order to vertically engage the engaging members 26 and 27 inside the opposite members 31 and 32. It has a hoistway 4 formed for this purpose. 33 is an upper frame, which has a female thread 25 of the elevating body 3; A through hole 34 is provided at a position intersecting the axis through which it passes.

[0014] The elevating means 6 includes a male threaded rod 3 that is inserted into the through hole 34 and can be screwed into the female thread 25. 5, which raises and lowers the elevating body 3 by rotating the handle 36 at the top. It is. The lower end of the male threaded rod 35 is attached to the guide frame 5 so that it cannot be prevented from coming off.

[0015] The tilting means 7 is capable of tilting the guide frame 5 in order to tilt the cutter blade 2. To support. For this reason, the guide frame 5 is attached to the left and right sides by the support shaft 8 in the longitudinal direction of the machine at its lower end. The hydraulic cylinder device 37 installed on the machine base is pivoted so that it can swing in the direction of the It is supported by a rotatable fulcrum 39 at the tip of the piston 38. This hydraulic cylinder The device 37 is pivoted to the machine base 1 at the other end 40.

[0016] The piston 38 tilts the guide frame 5 outward by, for example, 45 degrees at the extension limit and at the contraction limit. It is set to incline inward at, for example, 45 degrees. Therefore, left and right around the vertical plane The cutter guide frame 5 can be tilted back and forth by about 90 degrees in both directions. Also, the tendency It can be fixed at any angle even in the middle of the oblique range. For the operation of this cylinder device Hydraulic pressure is also supplied from the aforementioned hydraulic unit 12 through the piping 41.

[0017] Incidentally, the tilting means 7 can also be easily constructed mechanically, in which case the guide A mechanism that fixes the door frame 5 at about three positions: left and right tilt limits and neutral (vertical). That's fine. Therefore, the mechanical tilting means 7 is effective because it is simple and inexpensive. Ru.

[0018] The cutter device configured as described above can be used as shown in FIGS. 7 and 8. I can do that. Figure 7(a) shows a state in which the cutter blade 2 is tilted to the left (outward). Then, by operating the lifting means 6, it is lowered to form a cut on the road surface, and the machine 1 is moved backward. The pavement P can be cut along the slope S. In addition, in Fig. 7(b), the cutter - Tilt the blade 2 to the right (inward) and perform the cutting operation on the opposite slope S. . Move the machine 1 forward and backward, then change the orientation to the orthogonal direction and perform the cutting work in the same way. By doing this, the pavement P can be cut into a box shape surrounded by the slope S shown in FIG. This means that you can do this. Note that the direction of rotation of the cutter blade 2 is constant and cannot be reversed. Normally, it cannot be cut, but if it can be tilted in both left and right directions as in the example, the mechanical It is possible to cut in different directions without changing the direction of the table.

[0019]

[Effect of the idea]

Since the present invention is constructed and operates as described above, it can be cut diagonally on the road surface, etc. Pavement, etc. can be cut and removed using a sloped cutting surface, and the construction work has been completed. Afterwards, when repairing the removed pavement, etc., the concrete filled in the repaired area There is no difference in level between the asphalt and the existing part. Especially for this idea According to the method, an inclined cut is formed by tilting and raising/lowering the cutter blade 2, and the cutter blade 2 is moved forward. It is very easy to handle and has good workability as it can be moved backwards for cutting work. It has remarkable effects.

[Brief explanation of drawings]

FIG. 1 is a plan view of a cutter device according to an embodiment.

FIG. 2 is a side view.

[Fig. 3] Front view.

FIG. 4 is an exploded perspective view of essential parts.

FIG. 5 is a vertical cross-sectional view of the cutter portion.

FIG. 6 is a cross-sectional view of the same as above.

FIG. 7(a) is an explanatory diagram of the state of use. (b) An explanatory diagram of the usage state.

FIG. 8 is a plan view showing a cutting situation of a road surface, etc.

[Explanation of symbols]

1 machine 2 cutter blade 3 Elevating body 4 Hoistway 5 Guide frame 6 Lifting means 7 Tilting means 8 Support shaft

Claims (2)

[Scope of utility model registration request] Claim 1: A civil engineering work in which a cutter blade 2, which is installed on a machine base 1 having a moving means and is rotatable in a vertical plane and can be raised and lowered, forms a cut in a road surface, etc. along the movement path of the machine base 1. In a construction cutter device, a lifting body 3 for attaching the cutter blade 2 and its drive mechanism, a guide frame 5 provided with a hoistway 4 for holding and raising and lowering the lifting body 3, and the lifting mechanism Lifting means 6 provided on the guide frame 5 for raising and lowering the lifting body 3 along the path 4
and a tilting means 7 for tiltably supporting the guide frame 5 on the machine base 1 in order to tilt the cutter blade 2 from the vertical plane in one or both left and right directions. Cutter device for civil engineering work. 2. The lower end of the guide frame 5 is pivotally supported on the machine base 1 via a support shaft 8 so as to be able to swing from a vertical plane to the left and right, and the tilting means 7 tilts the guide frame 5. 2. The cutter device for civil engineering work according to claim 1, further comprising a hydraulic cylinder fixed in an inclined position.