JP3999866B2 - Rolling machine mud removal equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mud removal device for a rolling machine that removes asphalt mixture, mud, and the like attached to a tread surface of a rolling wheel provided in the rolling machine such as a tire roller.
[0002]
[Prior art]
A conventional example of a mud removal device for a rolling machine will be described with reference to FIGS. Both figures show the mud removal device attached to the rear side of the front wheels (three wheels) of the tire roller, FIG. 5 is a front view of the mud removal device viewed from the rear, and FIG. 6 is a cross-sectional view along GG in FIG. It is.
Reference numeral 51 denotes a suspension frame for attaching a plurality of tires 52. Beam members 51b are formed at the lower front and rear ends of the bow-shaped suspension member 51a so as to surround the front, rear, left and right of the central tire 52. The mud removal device is attached to the beam member 51b. First, brackets 53a and 53b are fixed on both side surfaces of the beam member 51b, and the support shaft 54 supports both ends thereof in the left-right direction by a cylindrical support member 55 fixed to the upper surfaces of the brackets 53a and 53b. The support shaft 54 is fixed to the support member 55 by bolts 58 and 58. A pair of rotating members 56 forming an arm 56a and a torsion spring 57 are fitted to the support shaft 54, and one end side of the torsion spring 57 is hooked to the support shaft 54 by a bolt or the like. At the same time, the other end is hooked to the rotating member 56. Brackets 59a and 59b are attached to the arms 56a by a pair of bolts 63a and 63b so as to extend to the vicinity of the center of the tread surface of each tire 52, respectively. The plate 61a is fixed. Since the blade 60 is made of a soft material such as a rubber material, the blade 60 is sandwiched between the sandwiching plates 61a and 61b and tightened with a plurality of bolts 62 so as to be supported by clamping.
[0003]
The pressing force of the blade 60 against the tire 52 temporarily loosens the bolt 58 and rotates the support shaft 54 counterclockwise (P direction) in FIG. 6 against the elastic force of the torsion spring 57. In the state, it is given by fixing the spindle 54 with a bolt 58. That is, due to the elastic force of the torsion spring 57, the torsion spring 57 rotates in the P direction around the support shaft 54 to which the rotation member 56 is fixed. Since each blade 60 is attached to the distal end side of the arm 56a via the brackets 59a and 59b, the blade 60 is pressed against the tread surface of the tire 52 in the entire lower end portion thereof.
[0004]
[Problems to be solved by the invention]
The tire 52 rotates in both directions by the forward and backward movement of the tire roller. However, the adhering matter such as mud adhering to the tread surface, especially the adhering matter coming from the upper side (in this example, when the tire roller is moved backward) In order to remove it smoothly and efficiently, it is necessary to attach the blade 60 obliquely with respect to the width direction of the tire 52 as shown in FIG. Therefore, the lower end portion of the blade 60 is formed in a curved shape so as to correspond to the circumferential shape of the tread surface of the tire 52. However, if the lower end portion of the blade 60 is attached to be shifted with respect to the curved surface of the tread surface of the tire 52. In this case, not only the efficiency of mud removal is reduced, but also the pressing force concentrates on the contact point with the tire 52, so that wear partially progresses and the life of the blade 60 is shortened. Therefore, conventionally, as a position adjustment of the blade 60, a through hole formed in the blade 60 for inserting the clamping bolt 62 is formed as a large hole such as a long hole, and the bolt 62 is once loosened. In this case, the blade 60 is moved up and down and left and right by hand and positioned, and then tightened with the bolt 62 again. Further, the blade position adjustment in a direction parallel to a predetermined position on the tread surface of the tire 52 is performed by slightly loosening the pair of bolts 63a and 63b screwed into the arms 56a and 56a through the long holes of the brackets 59a and 59b. , 59b are shifted.
[0005]
However, according to the blade position adjusting means, since there is a limit to the size of the through hole formed in the blade 60, the adjustment movement amount of the blade 60 is insufficient, and the lower end portion of the blade 60 is attached to the tire 52. There was a problem that it was impossible to completely match the shape of the tread. Also, it is difficult to completely match even by adjusting the position by loosening the bolts 63a and 63b and shifting the brackets 59a and 59b.
Further, in the case of a tire having a large width dimension, the required number of bolts 62 for clamping the blade 60 is increased, and there is a problem that the tightening work is troublesome.
Further, the central blade 60 and the right blade 60 are attached via a common bracket 59b. Therefore, due to manufacturing error, assembly error, etc., when the bolt 63b is loosened and the position of the bracket 59b is adjusted to match one of the tire treads, the tip of the opposite side of the bracket 59b will move accordingly. This time, it was completely out of alignment with the other tire tread, and even if the bolts 62 were loosened and the blades 60 were adjusted, there was a situation where they were greatly displaced.
[0006]
The present invention was created to solve such problems, and facilitates adjustment of the position of the blade with respect to the tread surface of the rolling wheel, and simplification of the assembling work. The object is to provide a device.
[0007]
[Means for Solving the Problems]
The present invention uses the following means in order to achieve the above object.
An arm that is pivotably suspended from the compaction machine main body, and an arm that is attached to the arm and is disposed obliquely with respect to the width direction of the compaction wheel, with a lower end corresponding to the tread surface of the compaction wheel. In a mud removal device equipped with a blade pressing mechanism that presses the presented blade against the tread surface side of the rolling wheel with a spring, the blade can be rotated and adjusted relative to the arm by the blade pressing mechanism A blade adjusting means attached via a shaft, wherein the shaft of the blade adjusting means is an axis parallel to the width direction of the compaction wheel, and is arranged on the arm in the width direction of the compaction wheel. A mud removal device for a rolling compaction machine characterized in that it is attached so as to be slidable .
The axis of the pre-Symbol blade adjusting means, by which the width direction parallel to the axis of rotation圧輪, turning adjustment of the blade becomes easier.
Further, the shaft of the blade adjusting means is attached to the arm so as to be slidably adjustable in the width direction of the rolling wheel, so that the positioning of the blade with respect to the rolling wheel is easy and effective.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, regarding the mud removal apparatus for a rolling machine according to the present invention, the rolling machine is described as a tire roller, and the arrangement position of the mud removing apparatus is the rear side of the front wheel (three wheels) of the tire roller, and the suspension described above. It demonstrates as a form at the time of attaching to the frame 51. FIG.
FIG. 1 is a side view of a mud removal apparatus according to the present invention, FIG. 2 is a view taken in the direction of arrow A in FIG. 1, FIG. 3 is a cross-sectional view along BB in FIG.
[0009]
As shown in FIG. 2, in the present embodiment, the mud removal device 1 for the left end tire 52 is attached to the left beam portion of the beam member 51b, and the right end and center tire 52 are targeted to the right beam portion. A mud removing device 1 'is attached. The mud removing device 1 'has a pair of left and right blades 6 and differs from the mud removing device 1 except that the shaft 12 formed on the side surface of the blade 6 can be inserted from both ends of the shaft support 4c'. Since it is the same structure, a code | symbol is abbreviate | omitted in drawing and suppose that only the mud removal apparatus 1 is demonstrated hereafter.
1 to 4, the mud removing device 1 is attached to a mounting portion 51 c protruding from the upper surface of the beam member 51 b via a bracket 2 having an L-shaped cross section having a reinforcing member 2 a. Yes. A square hole 2b is formed in the center of the upper surface of the bracket 2 as shown in FIG. 4, and the support shaft 5 is moved in the left-right direction between the cylindrical shaft support members 3 and 3 fixed to the left and right edges of the square hole 2b. It arranges along. The arm member 4 is rotatably attached to the support shaft 5 via a base end portion 4a.
[0010]
The arm member 4 is a member in which a shaft support portion 4c for attaching a blade 6 to be described in detail later is fixedly formed on the base end portion 4a via the arm portion 4b. As shown in FIGS. A bolt 7 is fixed to the upper end of the shaft support portion 4c, and nuts 9a and 9b are screwed together so as to sandwich the locking plate 8. A locking piece 10 is formed on the upper surface of the bracket 2 closer to the front side than the support shaft 5, and a tension spring 11 is stretched between the locking piece 10 and the locking plate 8. The
The blade pressing mechanism that presses the blade 6 against the tread surface side of the tire 52 is configured as described above, and the shaft support portion 4c is centered on the support shaft 5 via the base end portion 4a and the arm portion 4b by the tensile force of the tension spring 11. 1 is rotated counterclockwise in FIG. 1, and the lower end 6 a of the blade 6 is always pressed against the tread of the tire 52. The pressing force of the blade 6 is adjusted by changing the screwing positions of the nuts 9a and 9b in the bolt 7.
[0011]
Next, a description will be given of blade adjusting means attached to the blade pressing mechanism via a shaft 12 that allows the blade 6 to be pivotally adjusted relative to the arm member 4. In the present embodiment, the shaft 12 is formed on the side surface of the blade 6 so as to be parallel to the width direction of the tire 52, and the shaft support portion 4 c of the arm member 4 is connected to the shaft 12 around the width direction of the tire 52. The structure is such that it can be rotated and can be slidably adjusted in the width direction of the tire 52.
The blade 6 is a strip-shaped plate material that is disposed obliquely with respect to the width direction of the tire 52, and whose lower end portion 6a has a shape (curved surface) corresponding to the tread surface of the tire 52. In addition, when it is made of a soft material such as synthetic resin or rubber depending on the application, sandwiching plates 13a and 13b are applied to both side surfaces of the blade 6 as in this example, and are clamped and supported by a plurality of bolts 30. Then, the shaft 12 made of a round bar is obliquely fixed to the center of the side surface of the one sandwiching plate 13b, and the shaft support portion 4c is formed as a cylindrical body that supports the shaft 12 by being fitted therein. 6 is rotatable about the axis in the left-right direction, that is, around the width direction of the tire 52, and is slidable in the width direction of the tire 52. The shaft 12 is fixed by fixing a nut 14 to an upper portion of a through hole formed in the shaft support portion 4 c and tightening it with a bolt 15.
[0012]
The blade adjusting means has the above-described configuration, and once the bolt 15 is loosened, the shaft 12 is slid in the left-right direction in the shaft support portion 4c, thereby positioning the blade 6 in the left-right direction and the shaft 12 , The lower end portion 6a of the blade 6 can be easily matched to the shape of the tread surface of the tire 52, and the position of the blade 6 can be quickly adjusted. When the adjustment is completed, the shaft 12 is fixed to the shaft support 4c with the bolt 15 again. Since the required number of the fixing bolts 15 is sufficient, the tightening work does not take time and maintenance is improved. In particular, in the mud removing device 1 ′ for the center tire 52 and the right tire 52, the left and right blades 6, 6 are integrated and are configured to rotate up and down by the arm member 4. Regardless, the present blade adjusting means is effective without occurrence of a situation in which when the blade 6 is fitted to one tire tread, the other blade 6 does not fit the tire tread.
[0013]
The mud removing device 1 has a nut 16 fixed to the bracket 2 in order to cope with the case where the adhering matter is removed by providing a slight gap without pressing the blade 6 against the tire 52 due to the nature of the adhering matter. The plate 17 is attached and the bolt 18 is screwed together, and the tip of the bolt 18 is in contact with the rotation restricting member 19 fixed below the base end portion 4a of the arm member 4, and the bolt 18 is screwed As a result, the arm member 4 can be rotated clockwise in FIG. 3 and the blade 6 can be easily separated from the tire 52.
Further, when it is desired to further separate the blade 6 from the tire 52 as protection of the blade 6 during non-working, for example, during high-speed movement of the tire roller, the L-shaped member having the stopper piece 20 on the rotation restricting member 19. The handle 6 is attached, the arm 21 is rotated by pushing the handle 21 forward, and the stopper piece 20 is locked to the front surface of the plate 17, so that the blade 6 can be quickly separated from the tire 52. is there.
[0014]
The preferred embodiments of the mud removal apparatus for a rolling machine according to the present invention have been described above. Although the embodiment described above is a case where the mud removing device is attached to the suspension frame, it is of course possible to attach it directly to the vehicle body. Further, the shape and mounting position of each component member are not limited to the contents described in the drawings, and can be appropriately changed in design without departing from the spirit of the present invention.
[0015]
【The invention's effect】
The mud removing device for a rolling machine according to the present invention has the following effects.
(1) By providing the blade pressing mechanism with blade adjusting means attached via a shaft that allows the blade to be rotated relative to the arm, the amount of adjustment movement of the blade can be increased. Therefore, the lower end portion of the blade can be surely matched to the shape of the tread surface of the rolling wheel, and the blade can be quickly positioned and the assembly work of the apparatus can be simplified.
(2) Further, if the axis of the blade adjusting means is an axis parallel to the width direction of the rolling wheel, it is easier to adjust the rotation of the blade.
(3) Further, if the shaft of the blade adjusting means is attached to the arm so as to be slidably adjustable in the width direction of the rolling wheel, positioning of the blade in the left-right direction with respect to the rolling wheel is facilitated.
[Brief description of the drawings]
FIG. 1 is a side view of a mud removal apparatus for a rolling machine according to the present invention.
FIG. 2 is a view taken in the direction of arrow A in FIG.
FIG. 3 is a cross-sectional view taken along the line BB in FIG.
FIG. 4 is an overall perspective view of a mud removal apparatus for a rolling machine according to the present invention.
FIG. 5 is an explanatory view showing a conventional example of a mud removal device for a rolling machine.
6 is a cross-sectional view taken along line GG in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1,1 'Mud removal apparatus 2 Bracket 3 Axial support member 4 Arm member 4a Base end part 4b Arm part 4c, 4c' Axis support part 5 Support axis 6 Blade 11 Tension spring 12 Axes 13a, 13b Holding plate 51 Suspension frame 52 tire

Claims (1)

An arm that is pivotably suspended from the compaction machine main body, and an arm that is attached to the arm and is disposed obliquely with respect to the width direction of the compaction wheel, with a lower end corresponding to the tread surface of the compaction wheel. In a mud removal device equipped with a blade pressing mechanism that presses the presented blade against the tread surface side of the rolling wheel with a spring, the blade can be rotated and adjusted relative to the arm by the blade pressing mechanism Provide blade adjusting means attached through a shaft ,
The shaft of the blade adjusting means is an axis parallel to the width direction of the rolling wheel, and is attached to the arm so as to be slidably adjustable in the width direction of the rolling wheel . Mud removal equipment.

Images