KR101047993B1 - Wire and wheel saw cutting device - Google Patents

Abstract

The present invention provides a guide rail 180 and the conveying spindle 185 for guiding the conveying body portion 110 is installed side by side; A transfer plate 120 moving in the front and rear directions according to the cutting degree of the structure by the guide rails 180 and the transfer spindles 185 installed in the body 110; A cutting hydraulic motor 130 fixedly installed at the transfer plate 120 to protrude upward of the transfer plate 120 and operated by hydraulic pressure; A first rotational support 210 which surrounds a portion of the structure to be cut while maintaining a distance from the structure to be cut, and which is integrally coupled with the body portion 110; A fixing wire 230 surrounding a structure that is detachably coupled to and cut at both ends of the first rotatable support 210; A main pulley 140 detachably coupled to the rotating shaft of the cutting hydraulic motor 130; A diamond wire 150 mounted on the main pulley 140 while surrounding the cut structure and cutting the structure while rotating in conjunction with the main pulley 140; And a wheel saw 160 having a disc shape detachably coupled to a rotating shaft of the cutting hydraulic motor 130 in which the main pulley 140 is separated. It relates to a cutting device.

Body, conveying plate, cutting hydraulic motor, 1st rotating support, fixing wire, 2nd rotating support, fixing support, track gear, diamond wire, wheel saw

Description

Cutting Apparatus using Diamond Wire and Wheel Saw

The present invention relates to a cutting device used for cutting water or underwater concrete structures installed in ports, bridges, etc., characterized in that the diamond wire can be replaced with wheel saws if necessary according to the structure of the concrete structure.

In the demolition work of the conventional underwater structure, the diver takes the crushing device that can be used in the water directly and crushes the structure directly. When the reinforcement comes out of the structure, the rebar is cut using a cutting tool such as a hydraulic grinder. The demolition work was carried out as a method of performing the shredding process.

This work process has a floating environment in the process of using a crusher such as a breaker because of the nature of the working environment, there is no place to support the body when using the tool can not use the tool smoothly, If the target structure is adjacent to the wall, there was a problem that the demolition work of the underwater structure can not be properly secured because the work space can not be properly secured.

In order to solve this problem, a cutting device for underwater and water using diamond wires was developed as shown in FIG. 1, but when there is a steel pipe pile inside the concrete structure to be cut, it is cut as shown in FIG. The end of the steel pipe pile is caught by the diamond 151 portion of the diamond wire 150 has a problem that the cutting is not made properly.

That is, there is no big problem in the cutting of concrete structures in which the steel pipe pile is not used inside, but the cutting of the concrete structure in which the steel pipe pile is used is difficult.

Therefore, it is required to introduce a new concept of cutting device that can change the cutting means according to the type of concrete structure.

In order to solve the above-mentioned problems, the object of the present invention is as follows.

First, it is an object of the present invention to provide a new cutting device that can be used for cutting concrete structures using steel pipe piles.

Second, it is another object of the present invention to provide a cutting device used for cutting concrete structures of various cross-sections.

Third, another object of the present invention is to provide a cutting device that can minimize the loss of force in the power transmission process required for cutting.

Fourthly, another object of the present invention is to provide a cutting device that can be used in the water and underwater and can be controlled remotely.

The configuration of the present invention created to achieve the above object is as follows.

The present invention provides a guide rail 180 and the conveying spindle 185 for guiding the conveying body portion 110 is installed side by side; A transfer plate 120 moving in the front and rear directions according to the cutting degree of the structure by the guide rails 180 and the transfer spindles 185 installed in the body 110; A cutting hydraulic motor (130) fixed to the transfer plate (120), the rotating shaft protruding to an upper portion of the transfer plate (120), and operated by hydraulic pressure; A first rotational support 210 which surrounds a portion of the structure to be cut while maintaining a spacing with the structure to be cut, and which is integrally coupled with the body portion 110; A fixing wire 230 surrounding a structure that is detachably coupled to and cut at both ends of the first rotatable support 210; A main pulley 140 detachably coupled to the rotating shaft of the cutting hydraulic motor 130; A diamond wire 150 mounted on the main pulley 140 while surrounding the cut structure and cutting the structure while rotating in conjunction with the main pulley 140; And a disc-shaped wheel saw 160 detachably coupled to the rotating shaft of the cutting hydraulic motor 130 for which the main pulley 140 is separated.

Technical effects of the configuration of the present invention are as follows.

First, it can be used to cut concrete structures using steel pipe piles.

In other words, the diamond wire 150 and the wheel saw 160 can be used as needed. The concrete part is cut using the diamond wire 150, and the steel pipe pile therein is the diamond wire 150. After replacing the wheel saw 160 to cut.

Second, it can be used to cut concrete structures of various cross sections.

In other words, the fixed support 310 or the first rotary support 210 is fixed to the concrete structure using a plurality of support fixing screws 410 provided with the swivel pad 412. In addition, even in a rectangular cross-section as shown in Figure 8, the swivel pad 412 according to the shape of the concrete structure can be inclined in close contact with each other to maintain a firm fixed state. Therefore, there is an advantage that can be applied widely without being restricted by the cross-sectional shape of the concrete structure.

Third, it is possible to minimize the loss of force in the power transmission process required for cutting.

In other words, as shown in FIG. 4, the first auxiliary pulley 170 and the second auxiliary pulley 175 are used to effectively increase the adhesion between the diamond wire 150 and the concrete structure, as shown in FIG. 9. An anti-slip groove 141 is formed in the main body of the main pulley 140 to prevent unnecessary loss of the hydraulic motor rotational force.

Fourth, it can be used in water and underwater, and can be remotely controlled.

In other words, by using the CCTV and the lighting device 510 can check the cutting state in real time even at a distance to control the progress of the work.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a front view in the case of using the diamond wire 150, Figure 4 is a perspective view in the case of using the diamond wire 150.

5 is a front view when the wheel saw 160 is used, FIG. 6 is a perspective view when the wheel saw 160 is used, and FIG. 7 is a partially enlarged view of FIG.

8 illustrates a structure in which the fixing support 310 is fixed to the concrete structure when the wheel saw 160 is used, and FIG. 9 illustrates a sliding support groove 141 formed on the circumferential surface of the main pulley 140. do.

As shown in FIGS. 3 and 4, the body 110 has side-by-side guide rails 180 and feed spindles 185 for guiding the feed.

The conveying plate 120 is moved by the guide rail 180 and the conveying spindle 185 installed in the body portion 110, and moves in the right direction in the drawings of FIGS. 3 and 4 as the structure is cut.

Cutting hydraulic motor 130 is installed fixed to the transfer plate 120, the rotating shaft is projected to the upper portion of the transfer plate 120 is operated by the hydraulic pressure.

The first rotary support 210 is to wrap a portion of the structure to be cut while maintaining a gap with the structure to be cut, the body portion 110 is integrally coupled to the outside of the first rotary support (210).

The fixing wire 230 is detachably coupled to both ends of the first rotation support 210 to surround the structure to be cut.

That is, the fixing wire 230 serves to fix the first rotating support 210 to the structure to be cut while wrapping the structure to be cut as shown in FIG. 4, as shown in FIG. 4. 231 to tension the fixing wire 230 to tightly wrap the structure.

As shown in FIG. 4, the first rotary support 210 may be fixed to the structure while maintaining a distance from the structure by a plurality of support fixing screws 410.

The support fixing screw 410 is screwed to the surface of the first rotary support 210 as shown in Figure 4, the inner end of the support fixed screw 410 is cut through the first rotary support 210 To reach the surface of the structure.

Rotating handle 411 is provided at the outer end of the support fixing screw 410, and the swivel pad 412 is provided at the inner end of the support fixing screw 410 in close contact with the surface of the structure.

Therefore, even if the surface of the structure and the support fixing screw 410 is not perpendicular to the swivel pad 412 can be in close contact with the surface of the structure while being inclined according to the angle between the structure surface and the support fixing screw 410, When used in conjunction with the wire 230, the first rotary support 210 can be stably fixed to the structure of the various cross-section.

The main pulley 140 is detachably coupled to the rotating shaft of the cutting hydraulic motor 130 and is rotated by the cutting hydraulic motor 130.

The diamond wire 150 is mounted on the main pulley 140 while wrapping the structure to be cut.

Therefore, the main pulley 140 is rotated to serve to cut the structure while rotating, the diamond wire 150 is loosened when the diamond wire 150 is dug into the structure as the structure is cut.

Therefore, as the structure is cut, the transfer plate 120 is slowly reversed (the right direction in the drawing shown in FIG. 3 or 4) to maintain the tension state of the diamond wire 150.

Although only the main pulley 140 may be used for cutting (cutting) the structure, the first auxiliary pulley 170 and the second auxiliary pulley 175 are additionally installed to increase the efficiency of the cutting operation.

The first auxiliary pulley 170 is provided with a pair detachably attached to the left and right ends of the transfer plate 120, wraps the structure to be cut and then changes the direction of the diamond wire 150 toward the main pulley 140.

The second auxiliary pulley 175 is provided with a pair detachably at the left and right ends of the body portion 110, mounted on the first auxiliary pulley 170 to change the traveling direction of the diamond wire 150 has been changed again Switch to the main pulley 140 direction.

Therefore, the first auxiliary pulley 170 is moved rearward by the transfer plate 120 together with the main pulley 140, but the second auxiliary pulley 175, unlike the first auxiliary pulley 170, the body portion 110 Do not move in the installed state.

As such, the diamond is loosened as the structure is cut by providing the first auxiliary pulley 170 moving along with the transfer plate 120 and the second auxiliary pulley 175 that does not move in the state installed in the body part 110. In order to maintain the tension state of the wire 150, the movement distance of the transfer plate 120 to be moved backward can be shortened. Therefore, the overall length of the body portion 110 can be shortened to reduce the weight, and work efficiency can be increased.

In addition, as illustrated in FIG. 9, non-slip grooves 141 are formed on the circumferential surface of the main pulley 140 around which the diamond wire 150 is wound to prevent slippage of the diamond wire 150. The diamond 151 of the diamond wire 150 is accommodated in the anti-slip groove 141.

As such, when the non-slip groove 141 is provided, the diamond wire 150 may be prevented from slipping on the circumferential surface of the main pulley 140 by the water film phenomenon. In particular, the water film commonly generated when working underwater There is an advantage that it is possible to minimize the loss in the power transmission process by preventing the slip phenomenon caused by.

The wheel saw 160 has a disc shape, and as shown in FIGS. 5 and 6, the main pulley 140 is detachably coupled to the rotating shaft of the cutting hydraulic motor 130.

That is, when there is a hollow steel pipe pile inside the concrete structure, first, when the cutting of the concrete part is completed using the diamond wire 150, the diamond wire 150, the main pulley 140, the first auxiliary pulley 170 ), And the second auxiliary pulley 175 is to be mounted to the wheel saw 160 for cutting the steel pipe pile on the rotating shaft of the cutting hydraulic motor 130.

At this time, the feed plate 120 is adjusted so that the smooth cutting is made by approaching the steel pipe pile gradually in the state in which the wheel saw 160 is rotated.

When the diameter of the steel pipe pile is very small, cutting is possible only by the movement of the transfer plate 120, but in most cases, only a portion of the steel pipe pile may be cut by only the forward and backward movement of the transfer plate 120.

Therefore, in the present invention, the wheel saw 160 is provided with an element for rotating (rotating) the body portion 110 so that the cutting (cutting) is performed while rotating along the circumference of the steel pipe pile.

When the wheel saw 160 is used, as shown in FIGS. 5 and 6, the fixing wire 230 is separated from the first rotation support 210, and the second rotation support 220 is first rotated ( Removably coupled to both ends of the 210 to surround the structure in which the first rotary support 210 and the second rotary support 220 are cut.

The fixed support 310 is fixed to the structure to be cut while wrapping the structure to be cut and positioned to maintain a gap in the lower portion of the first rotary support 210 and the second rotary support 220, to be separated into a plurality of pieces Can be.

The support fixing screw 410 is screwed to the surface of the fixed support 310, as shown in Figure 6 and 8, the inner end of the support fixing screw 410 is a structure that is cut through the fixed support 310 Reach the surface of the.

Rotating handle 411 is provided at the outer end of the support fixing screw 410, and the swivel pad 412 is provided at the inner end of the support fixing screw 410 in close contact with the surface of the structure.

Therefore, as shown in FIG. 8, even when the surface of the structure and the support fixing screw 410 are not perpendicular to each other, the swivel pad 412 is inclined according to the angle formed by the structure surface and the support fixing screw 410 to closely adhere to the surface of the structure. The fixed support 310 can be stably fixed to the structure of the various cross-section.

In the case of installing the fixed support 310, the wheel saw 160 is used to cut the steel pipe pile inside the concrete structure, so it is necessarily fastened to the first rotary support 210 to closely support the surface of the structure. The support fixing screw 410 was removed so that the first rotating support 210 and the second rotating support 220 can be smoothly rotated.

The track gear 240 has a circular ring shape as a whole and a gear is formed along its outer circumferential surface. The track gear 240 is provided below the first rotating support 210 and the second rotating support 220 to support the first rotating support 210. Rotate together with the second rotary support 220.

The rotary hydraulic motor 320 is fixedly installed on the fixed support 310 and is provided with a drive gear 321 engaged with the track gear 240 so that when the rotary hydraulic motor 320 rotates, the track gear 240 accordingly. ) Is engaged and rotates, and the first rotary support 210 and the second rotary support 220 also rotate together.

In this case, the body 110 and the first rotary support 210 are integrally coupled to the bar, and the body 110 and the wheel saw 160 installed on the body 110 are also rotated along the periphery of the concrete structure. Done.

The rotary rail 250 has a circular ring shape and has a 'c' shaped cross section as shown in FIGS. 5 and 7, and the first rotary support 210 and the second rotary support in parallel with the track gear 240. It is provided at the lower portion of the 220 to rotate with the first rotary support 210 and the second rotary support 220.

The rotary rail support bracket 330 is fixedly installed on the fixed support 310 and extends toward the rotary rail 250. The end of the rotary rail support bracket 330 is inserted into a 'c' shaped cross section of the rotary rail 250. Rolling rotary roller 340 is coupled.

Auxiliary rail 350 is provided along the upper end of the fixed support 310, as shown in Figures 5 and 7, has a circular cross-section and has an open channel cross-section in the upper direction.

The auxiliary roller 360 is installed inside the auxiliary rail 350 to support lower ends of the first rotary support 210 and the second rotary support 220 as shown in FIG. 7.

Therefore, when the rotary hydraulic motor 320 is rotated, the first rotary support 210 and the second rotary support 220 are supported by the auxiliary roller 360 installed inside the auxiliary rail 350 of the fixed support 310. The rotating rail support bracket 330, the rotary roller 340 and the rotary rail 250 are also used together to more stably combine the first rotary support 210 and the second rotary support 220. Can be rotated.

CCTV and lighting device 510 is installed on one side of the first rotary support 210 or one side of the body portion 110 serves to observe the cutting process remotely, CCTV and lighting device 510 and the cutting operation If the distance between the parts to be made is 10 to 20 cm, the field of view can be more effectively secured in water. When the distance between the cut portion and the CCTV and the lighting device 510 is too far, the view may be blurred by turbid water, which may cause a problem that the cutting state cannot be properly confirmed.

The transfer plate 120 may be operated manually, but as shown in FIGS. 3 to 6, a transfer hydraulic motor 190 is installed at the rear end of the body 110 to rotate the transfer spindle 185. It can also improve work efficiency.

As described above, the technical spirit of the present invention has been described with reference to specific embodiments of the present invention, but the protection scope of the present invention is not necessarily limited to these embodiments, and various modifications may be made without departing from the technical spirit of the present invention. In the case of design changes, addition or deletion of well-known technologies, simple numerical limitations, etc., the scope of protection of the present invention is also clarified.

1 is a plan view of a conventional wire cutter.

Figure 2 shows the phenomenon that the diamond wire 150 is caught on the end of the steel pipe pile is cut when there is a steel pipe pile.

3 is a front view in the case where the diamond wire 150 is used.

4 is a perspective view in the case of using the diamond wire 150.

5 is a front view when the wheel saw 160 is used.

6 is a perspective view of the case where the wheel saw 160 is used.

7 is an enlarged partial view of FIG. 5.

8 illustrates a structure in which the fixed support 310 is fixed to the concrete structure when the wheel saw 160 is used.

9 shows an anti-slip groove 141 formed in the circumferential surface of the main pulley 140.

<Description of the symbols for the main parts of the drawings>

110: Body part

120: transfer plate

130: cutting hydraulic motor

140: main pulley

141: slip groove

150: diamond wire

151: diamond

160: wheel saw

170: first auxiliary pulley

175: the second auxiliary pulley

180: guide rail

185: feed spindle

190: Hydraulic motor for transfer

210: first rotation support

220: second rotary support

230: fixed wire

231: lever block

240: Track gear

250: rotary rail

310: fixed support

320: rotating hydraulic motor

321: drive gear

330: rotating rail support bracket

340: rotary roller

350: auxiliary rail

360: auxiliary roller

410: support fixing screw

411: rotation handle

412: swivel pad

510: CCTV and lighting

Claims (8)

Body portion 110 is installed side by side guide rails 180 and the transport spindle 185 for guiding the transport; A transfer plate 120 moving in the front and rear directions according to the cutting degree of the structure by the guide rails 180 and the transfer spindles 185 installed in the body 110; A cutting hydraulic motor (130) fixed to the transfer plate (120), the rotating shaft protruding to an upper portion of the transfer plate (120), and operated by hydraulic pressure; A first rotational support 210 which surrounds a portion of the structure to be cut while maintaining a distance from the structure to be cut, and which is integrally coupled with the body portion 110; A fixing wire 230 surrounding a structure that is detachably coupled to and cut at both ends of the first rotatable support 210; A main pulley 140 detachably coupled to a rotating shaft of the cutting hydraulic motor 130; A diamond wire 150 mounted on the main pulley 140 while surrounding the cut structure and cutting the structure while rotating in conjunction with the main pulley 140; And, A disc-shaped wheel saw 160 which is detachably coupled to a rotating shaft of the cutting hydraulic motor 130 in which the main pulley 140 is separated; Combined cutting device for wire and wheel saw, characterized in that comprising a. In claim 1, A second rotary support 220 which surrounds a structure that is detachably coupled to and cut at both ends of the first rotary support 210 instead of the fixing wire 230 separated from the first rotary support 210; A fixed support 310 which is fixed to the structure to be cut while wrapping the structure to be cut and positioned at the lower portion of the first rotation support 210 and the second rotation support 220, and is separated into a plurality of pieces; It is provided in the lower portion of the first rotary support 210 and the second rotary support 220 to rotate together with the first rotary support 210 and the second rotary support 220, the overall ring shape A track gear 240 having gears formed along an outer circumferential surface thereof; A rotating hydraulic motor 320 fixed to the fixed support 310 and having a drive gear 321 engaged with the track gear 240; Parallel to the track gear 240 is provided in the lower portion of the first rotary support 210 and the second rotary support 220 together with the first rotary support 210 and the second rotary support 220. Rotating rail 250 having a circular circular ring shape having a '' 'cross-section; And, A plurality of rotary rails fixed to the fixed support 310 and extending toward the rotary rail 250 and end portions of the rotary rollers 340 inserted and rolled into the 'c'-shaped cross section of the rotary rail 250 are coupled to the end thereof. Support bracket 330; Wire and wheel saw combined cutting device, characterized in that it further comprises. 3. The method of claim 2, Auxiliary rail 350 of the channel cross-section provided along the upper end of the fixed support 310 and the circular ring shape and the upper direction is open; And, An auxiliary roller 360 installed in the auxiliary rail 350 to support lower ends of the first rotating support 210 and the second rotating support 220; Wire and wheel saw combined cutting device, characterized in that it further comprises. 4. The method of claim 3, Screwed to the surface of the fixed support 310 and the first rotary support 210 and the inner end reaches the surface of the structure to be cut through the fixed support 310 or the first rotary support 210 , The outer end is provided with a rotary knob 411, the inner end in close contact with the surface of the structure a plurality of support fixing screw 410 is provided with a swivel pad 412; Wire and wheel saw combined cutting device, characterized in that it further comprises. In claim 4, A pair of first auxiliary pulleys which are detachably installed at left and right ends of the transfer plate 120 and wrap the structure to be cut and then change the traveling direction of the diamond wire 150 toward the main pulley 140 ( 170); And, Removably installed at the left and right ends of the body portion 110, the mounting direction of the diamond wire 150, which is mounted on the first auxiliary pulley 170 and the traveling direction is changed again, toward the main pulley 140 A pair of second auxiliary pulleys 175 to switch to; Wire and wheel saw combined cutting device, characterized in that it further comprises. The method according to any one of claims 1 to 5, CCTV and lighting device (510) is installed on one side of the first rotary support 210 or one side of the body portion 110 to remotely observe the cutting process; And, A transfer hydraulic motor 190 for rotating the transfer spindle 185 at the rear end of the body 110; Wire and wheel saw combined cutting device characterized in that it is further provided. The method according to any one of claims 1 to 5, An anti-slip groove 141 is formed on the circumferential surface of the main pulley 140 to which the diamond wire 150 is wound to prevent slippage of the diamond wire 150, and the anti-slip groove ( 141) a wire and wheel saw cutting device, characterized in that the diamond 151 of the diamond wire 150 is accommodated. In claim 6, CCTV and lighting device 510 and the wire and wheel saw combined cutting device, characterized in that the distance between the cut is made 10 to 20 cm.

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