JP2006021265A - Moving cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems of damaging a column by fire heat, and causing dust, smoke and a flame, due to being inferior in work efficiency, since cutting the whole joint plates by a burner is required, after welding between steel frame columns. <P>SOLUTION: This moving cutter has a traveling rail 2 installed in a rail guide 1, and a cutting means 3 slidingly installed on the traveling rail 2. In the rail guide 1, an electromagnet 1c is attached to the lower end side via a mounting base board 1b. The cutting means 3 has a mounting base board 3b slidingly mounted via a pair of upper-lower sliding rollers 3a sliding on both upper and lower ends of the traveling rail 2, a driving motor 3d projected on the mounting base board 3b via a body frame 3c, a driving roller 3e interlocked with the driving motor 3d, a pair of driven rollers 3f oppositely arranged to the driving roller 3e, and a cutter rotated by the driven rollers 3f and the driving roller 3e. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention cuts a projection such as a joint plate, a guide piece, a suspension piece or an erection piece, which is mainly provided at a connection portion such as a steel column in a steel structure or a reinforced concrete structure, easily and smoothly without cutting with a burner. It relates to a useful mobile cutting machine that can.

Conventionally, in the cutting of such steel columns, for example, a joint plate along the longitudinal direction of the column is welded to the end portion to be joined of the square steel column, and the steel column between the upper and lower sides is welded to both sides of the plate. Since the erection piece is temporarily fixed by fastening the attached splice plate with bolts, after welding between steel columns, the joint plate is cut with a gas burner from a position about 10 mm away from the column surface. This is the current situation (see Patent Document 1).
JP-A-6-185114

  However, in the conventional cutting method, after welding between steel columns, all joint plates must be cut with a burner, so the workability is poor, and the columns are damaged by fire, dust, smoke, etc. , Has a problem of generating a flame.

  Moreover, since the conventional cutting method cannot be cut from the base of the joint plate, the cut traces (convex portions) of the cut plate remain on the surface of the column, and it takes time to finish the sander and the like. At the same time, it has become a social problem, such as causing noise pollution for a long time.

  The present invention has been made in view of such conventional problems, and can be used to easily and smoothly cut a projection such as a joint plate, a guide piece, an erection piece or a suspension piece without fear of a flame. It aims at providing a type cutting machine.

  In order to solve the conventional problems as described above and achieve the intended purpose, the structure of the present invention includes a rail guide that is detachably attached to a fixing portion such as a steel column in a steel structure, and the rail. A mobile cutting machine includes a traveling rail attached to a guide, and a cutting means that is slidably attached to the traveling rail and cuts projections such as a guide piece and an erection piece.

  The cutting means includes a mounting board that is slidably assembled to the traveling rail via a roller, a drive motor that protrudes from the mounting board via a main body frame, and a cutter that is linked to the driving motor. It is good to have.

  The mobile cutting machine of the present invention includes a rail guide that is detachably attached to a fixed part such as a steel column in a steel structure, a traveling rail that is attached to the rail guide, and a sliding rail that is slidably attached to the traveling rail. The cutting means for cutting the projections such as the guide piece and the erection piece can cut the projections such as the erection piece more easily and smoothly with a small force. In this way, the trouble of cutting with a burner can be saved, so that it is possible to eliminate concerns such as smoke and flames.

  In addition, the cutting means includes a mounting board that is slidably assembled to the traveling rail via a roller, a drive motor that protrudes from the mounting board via a main body frame, and a cutter that is linked to the driving motor. Since it can be cut smoothly from the root of the protrusion, the cutting trace (convex part) of the plate cut on the surface of the column as in the past does not remain, and Therefore, the time required for finishing work such as sander can be shortened, and the amount of cutting per day can be increased, so that the construction period can be further shortened, and the blindfolding, final finishing or fireproof coating work should also be made beautiful. Can do.

  A rail guide detachably attached to a fixed part such as a steel column in a steel structure, a traveling rail attached to the rail guide, and a projection such as a guide piece and an erection piece slidably attached to the traveling rail Cutting means for cutting the object. The cutting means includes a mounting board that is slidably assembled to the traveling rail via a roller, a drive motor that protrudes from the mounting board via a main body frame, and a driving roller that is linked to the driving motor. , A driven roller provided opposite to the driving roller, a cutter such as a wire saw rotating by the driven roller and the driving roller, and adjusting the height of the cutter with respect to a projection such as a guide piece and an erection piece It is good to provide the height adjustment member attached freely.

  Next, an example of the mobile cutting machine according to the present invention will be described with reference to the drawings. In the figure, A is a mobile cutting machine according to the present invention, and this mobile cutting machine A is detachably attached to a fixing part B (see FIG. 12) such as a steel column as shown in FIGS. Rail guides 1 and 1 to be attached, traveling rails 2 and 2 attached to the rail guides 1 and 1, and cutting means 3 slidably attached to the traveling rail 2 are provided.

  The rail guides 1 and 1 hold the traveling rails 2 and 2 at a predetermined interval via the measuring plate 1a, and the traveling rails 2 and 2 are disposed on the upper end side and the electromagnet 1c is disposed on the lower end side via the mounting substrate 1b. It is attached. The electromagnet 1c can be detachably attached to the fixing portion B of the steel column by switching the on / off operation of the electromagnetic switch 1d.

  The traveling rails 2 and 2 support the cutting means 3 in a slidable manner, and are supported so that sliding rollers 3a, 3a,...

  As shown in an enlarged view in FIG. 4, the cutting means 3 includes a mounting board 3b, which is slidably assembled via a pair of upper and lower sliding rollers 3a, 3a,. 3b, a drive motor 3d projecting from the mounting boards 3b and 3b via the main body frame 3c, a drive roller 3e interlocked with the drive motor 3d, and a pair provided opposite to the drive roller 3e Driven rollers 3f and 3f, a cutter 3g rotated by the driven rollers 3f and 3f and the driving roller 3e, and a cutter guide 3h for protecting the cutter 3g when the cutting means 3 is attached.

  The sliding rollers 3a, 3a,... Are pivotally attached to the mounting substrates 3b, 3b so as to slide at the four upper and lower ends in the longitudinal direction of the traveling rails 2, 2.

  The mounting boards 3b and 3b are provided so as to protrude on both the front and back sides of the body frame 3c in the width direction, and hold the four sliding rollers 3a and 3a in parallel with the traveling rails 2 and 2, respectively.

Body frame 3c, together are projecting the drive motor 3d in the upper, notched grooves 3c ₁ that the lower edge is opened in a central position is formed. The cutout groove 3c ₁ is formed in a size that allows the projection C such as a guide piece, a joint piece, or an erection piece, and the cutting means 3 moves on the traveling rails 2 and 2 while moving the projection C. It is opened so that it can be cut.

As shown in FIG. 4, the drive motor 3d is attached to the main body frame 3c via a height adjusting member 3d ₂ supported by the repellent bodies 3d ₁ and 3d ₁ for absorbing vibration. drive roller 3e is attached to the shaft side via a bearing case 3d _3.

The height adjusting member 3d ₂ includes a helical interval adjusting substrate 3d ₃ below the repellent bodies 3d ₁ and 3d ₁ , and the drive motor 3d is adjusted by rotating and adjusting the interval adjusting portion 3d _3. It can be displaced in the vertical direction.

  The drive roller 3e is formed of a pulley having a larger diameter than the driven rollers 3f and 3f, and a rotary cutter 3g is wound around the pulley to be transmitted to the driven rollers 3f and 3f.

  The driven rollers 3f and 3f are composed of a pair of left and right pulleys attached to two corners on the lower end side of the main body frame 3c, and are arranged so that the cutter 3g is orthogonal to the protrusion C.

Cutter 3g includes, for example, a wire-type rotary cutter (wire saw), wherein the rollers 3e, to be rotated at high speed through 3f, usually covered by a belt cover 3d ₄ (see FIG. 6) .

  As shown in FIGS. 4 and 6, the cutter guide 3h is provided on the main body frame 3c located in the vicinity of the driven roller 3f. The cutter guide 3h is made of a rigid rod-like body such as a metal that penetrates the width direction of the main body frame 3c. When the cutting means 3 is positioned (set) on the projection C such as an erection piece or a suspension piece, it is unexpected. The cutter 3g is guided so as not to be easily damaged by contacting the projection C, and the guide 3h is removed after setting or adjusting the height of the cutter position. is there.

  As shown in FIG. 14, the mobile cutting machine A of the present embodiment configured as described above has an electromagnetic switch 1 d of an electromagnet 1 c inserted into a projection C such as an erection piece to be cut to fix a steel column or the like. After adsorbing to the part B and confirming the height adjustment of the cutter 3g, the drive motor 3d is turned on to start the cutting operation.

  Then, the cutting speed is adjusted while operating the cutting means 3 with the displacement means 4 such as an electric gear or an air cylinder. Next, by moving the cutting means 3 along the protrusion C, the protrusion C can be smoothly cut from the root by the cutter 3g.

  FIG. 11 is an explanatory view showing a case where an air cylinder is used as the displacing means 4, and an L-shaped stopper 4b attached to the tip of the piston rod 4a is moved to the travel rail at the longest stroke position of the rod 4a. 2 (via fastening means 5 such as a saddle type vise) and then the piston rod 4a is forcibly returned to the original position (shortest position) to move the cutting means 3 by the stroke. Therefore, the vehicle travels to the required position while repeating the stroke operation sequentially.

  In addition, it can be said that safety is also taken into consideration so that when the cutter 3g breaks during operation or a base abnormality occurs, a sensor (not shown) is activated to stop the drive motor 3d and the like. Not too long.

  Thus, in the mobile cutting machine of the present invention, the working conditions are greatly improved as compared to the prior art, such as the projection C such as the erection piece can be cut more easily and more smoothly with a small force, and the conventional In this way, there is no need to worry about the need for cutting with a burner, so there is no worry of smoke and flames being generated, and the cut marks (convex parts) of the plate cut on the surface of the pillar, which has been a problem with conventional cutting methods Can be eliminated, and the time required for finishing work such as sanders, and noise pollution for a long time can be eliminated. In addition to being able to shorten the work period, the blindfolding process, final finishing or fireproofing work can also be made beautiful.

  The mobile cutting machine of the present invention is not limited to this embodiment, and can be freely modified within the scope of the object of the present invention. The present invention encompasses all of them. . For example, in this embodiment, a vertical (vertical) drive motor 3d is used as the cutting means 3, but the present invention is not limited to this, and the drive motor 3d is cut as shown in FIGS. You may make it a horizontal type (horizontal type) so that it may not interfere with work. Furthermore, the cutting means 3 may be automatically driven with respect to the traveling rails 2 and 2 using an air regulator 6 or an electric gear (not shown). Incidentally, reference numeral 7 in the figure denotes a handle used when the cutting means 3 is attached to the traveling rails 2 and 2.

1 is a perspective view showing a mobile cutting machine according to the present invention. It is a left view of the mobile cutting machine. It is a front view of the mobile cutting machine. It is explanatory drawing which shows the cutting means of the mobile cutting machine. It is a side view of the cutting means. It is a side view of the cutting means. It is a perspective view which shows the lower part of the mobile cutting machine. It is a partially broken explanatory view of the mobile cutting machine. It is a perspective view of the mobile cutting machine. It is a right view of the mobile cutting machine. It is explanatory drawing which shows the displacement means of the mobile cutting machine. It is explanatory drawing which shows the other cutting means used with the mobile cutting machine. It is a perspective view of the cutting means. It is explanatory drawing which shows the use condition of the mobile cutting machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rail guide 1a Side plate 1b Mounting board 1c Electromagnet 1d Electromagnetic switch 2 Traveling rail 3 Cutting means 3a Sliding roller 3b Mounting board 3c Main body frame 3c ₁ Notch groove 3d Drive motor 3d ₁ Repelling body 3d ₂ Height adjustment member 3d ₃ Bearing case 3d ₄ belt cover
3e Drive roller 3f Driven roller 3g Cutter 3h Cutter guide 4 Displacement means 4a Piston rod 4b Stopper 5 Fastening means 6 Air regulator 7 Handle

Claims (2)

  A rail guide detachably attached to a fixed part such as a steel column in a steel structure, a traveling rail attached to the rail guide, and a guide piece, a suspension piece or an erection piece slidably attached to the traveling rail A movable cutting machine comprising cutting means for cutting protrusions such as the like.   The cutting means includes a mounting board that is slidably assembled to the traveling rail via a roller, a drive motor that protrudes from the mounting board via a main body frame, and a cutter that is linked to the driving motor. The mobile cutting machine according to claim 1, wherein the mobile cutting machine is provided.

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