JPH0776801A - Grinding device for rest of weld of head part of rail - Google Patents

Abstract

PURPOSE:To perform free grinding of the rest of the head part of a rail and to prevent flying of grinding chips. CONSTITUTION:A support table 14 laterally moved in a direction crossing a rail R at right angles through operation of a first handle 19 is placed on a machine bed moved forward and backward along the rail R by a cylinder linked to the rear end side. A support frame 22 longitudinally moved through operation of a second handle 26 is assembled to the tip of the support table 14. A drum- form cutter body 28 rotatable around a horizontal shaft is arranged to the support frame and a grinding blade to grind the upper surface, the rounding part, and the side surface of the head part of the rail is arranged in a recessed part with which the head part of the rail of a cutter body 28 is engaged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grinding device for a rail head welding residue present in a seam of a track rail.

[0002]

2. Description of the Related Art Various devices have been proposed, without giving specific examples, as devices for correcting the entire track rail. However, in order to grind the rest of the rail head welding, it is common practice to use a grinder etc.
In this sense, there is no conventional example.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised for the purpose of providing a rail head welding residue grinding device having a novel structure which has never been seen before.

[0004]

[Means for Achieving the Object] On a machine stand that can be moved back and forth along a rail by a cylinder connected to the rear end side, a support stand that moves laterally in a direction orthogonal to the rail by operating a first handle is mounted. The support frame that is vertically moved by the operation of the second handle is attached to the tip of the support base, and the support frame is mounted on the support base with the drum-shaped cutter body being rotatable about the horizontal axis. In addition to connecting to the drive motor placed, in the recess that engages the rail head of the cutter body,
A configuration is provided in which a grinding blade for grinding each of the upper surface, the R surface and the side surface of the rail head is provided.

[0005]

1 is a front view, FIG. 2 is a plan view, and FIG. 3 is a schematic plan view of a part of a cutter body according to the present invention. Is.

In the figure, reference numeral 1 is a machine base, and a pair of stationary rollers 2 and 2 are rotatably mounted on one side in the width direction of the machine base 1 by means of fixing nuts 3 and 3, and the stationary rollers are provided. The movable rollers 4 and 4 are arranged so as to face each other via the rails R and 2 by the tightening nuts 5 and 5 so as to be vertically rotatable on the other side of the machine base 1 in the width direction. A roller shaft 6 of the stationary roller 4 is movably penetrated into a long hole 7 provided in the machine base 1 and long in the width direction, and the tightening nut 5 is screwed to a tip protruding from the long hole 7 so as to be tightened. Then, a regulating bolt 8 for regulating the movement of the roller shaft 6 along the elongated hole 7 is screwed into one surface of the machine base 1 so that the tip thereof is projected into the elongated hole 7. That is, the movable roller 4 is pressed against the roller R by adjusting the amount of protrusion of the restriction bolt 8 in the long hole 7 (pressing the rail R in cooperation with the stationary roller 2), and the rail R of the machine base 1. The movement along the rail R of the machine base 1 is smoothly regulated by separating the movement along the rail R.

Reference numeral 9 denotes a connecting piece that is provided upright at the center of the rear end of the machine base 1. A piston rod 11 of a hydraulic cylinder 10 is detachably connected to the connecting piece 9, and the hydraulic cylinder 10 has a clamping device 12. It is detachably fixed to the rail R by.

Reference numeral 13 is a guide groove provided in the machine base 1 in the width direction, and a sliding member 15 fixed to the lower surface of the support base 14 is slidably fitted in the guide groove 13 and is slidable. The support base 14 is supported by the machine base 1 via a moving member 15.

Reference numeral 16 is a nut material provided on the lower surface of the support base 14, and the nut material 16 is passed through a bearing 17 provided on the machine base 1 and a first operation bolt 18 having a first handle 19 at its base portion. The tip of is screwed.

A support piece 20 is provided upright at the tip of the support base 14, a vertical groove 21 is provided at the center of the side surface of the tip of the support piece 20, and a bearing 17 'is arranged directly above the center of the vertical groove 21. Then, this is supported by the support piece 20.

In FIG. 22, a connecting piece 24 and the connecting piece 2 are shown.
4 is a planar groove-shaped support frame composed of support piece pieces 23, 23 continuously provided at both ends of 4, and a connecting projection piece 25 is provided on a connecting piece piece 24 of the support frame 22 and is vertically moved in the vertical groove 21. The support frame 22 is assembled to the support base 14 by freely fitting, and the bearing 17 '
The second operation bolt 27 having the second handle 26 at the base is screwed to the connecting portion piece 24 of the support frame 22.

Reference numeral 28 is a supporting portion piece 23, 23 of the supporting frame 22.
In the space, that is, with the cutter body arranged directly above the rail R,
Both sides of a spindle 29 fixed by penetrating the cutter body 28 are rotatably supported by the support pieces 23, 23, and pulleys 30, 30 are provided at both ends of the spindle 29 protruding from the support pieces 23, 23. An endless belt 33 is stretched around the pulley 30 and the pulley 32 on the side of the drive motor 31 mounted on the support base 14.

The cutter body 28 assembled to the spindle 29
Is a drum-shaped body having a concave portion of a similar shape slightly larger than the contour shape of the head R'of the rail R, and the first grinding blade 34a for grinding the upper surface Ra of the rail head and the first surface for grinding the R surface Rb. Two grinding blades 34b and a third grinding blade 34 for grinding the side surface Rc
c, each of the grinding blades 34a, 34b, 34c is made of a cemented carbide tip, and is replaceably attached to the cutter body 28.

Then, the cylinder 10 is fixed to the rail R by the clamp 12, the driving motor 31 is operated, and the head welding residue is ground by the cutter body 28.

That is, in the direction along the longitudinal direction of the rail head R ', the cylinder 10 is operated to move the machine base 1, and in the direction orthogonal to the longitudinal direction, the restriction bolt 8 is tightened. The rail head R'is clamped by the stationary roller 2 and the moving roller 4 so that the machine base 1 is fixedly mounted on the rail R and the first handle 19 is operated to move the support base 14 laterally with respect to the machine base 1. The rail head is ground by dynamically displacing the cutter body 28.

In the vertical direction, the machine frame 1 is fixedly set on the rail R by the above operation, and the second handle 26 is operated to move the support frame 22 vertically with respect to the support table 14. Grinding work is carried out by displacing it to.

[0017]

Since the present invention has the above-mentioned constitution,
By operating the cylinder as necessary, or by appropriately operating the first and second handles, it is possible to freely grind the welding residue on the rail head, and the cutter body is rotated in the horizontal axis. Therefore, since the shavings do not scatter away from the rail, no special device for scattering prevention is required.

[Brief description of drawings]

FIG. 1 is a front view.

FIG. 2 is a plan view.

FIG. 3 is a schematic plan view of a part of a cutter body.

[Explanation of symbols]

 1 machine stand 10 hydraulic cylinder 14 support stand 19 first handle 22 support frame 26 second handle 28 cutter body 31 drive motor

Claims (1)

[Claims] 1. A support base, which moves laterally in a direction orthogonal to the rail by operating a first handle, is mounted on a machine base that can be moved back and forth along the rail by a cylinder connected to the rear end side. A drive frame mounted on the support base by attaching a support frame that moves vertically by the operation of the second handle to the tip of the support base, and arranging a drum-shaped cutter body on the support frame so that the horizontal axis can rotate. And a grinding tool for grinding the rail head upper surface, R surface and side surface, respectively, in the recess for engaging the rail head of the cutter body, and a grinding device for the remaining portion of the rail head welding.