JPH0360995A - Vertical wall cutting device - Google Patents

Abstract

PURPOSE:To prevent the unnecessary damage of a vertical wall surface and to simplify installation of a cutting device in a working place by a method wherein a cutting device comprises a cutter body to cut an approximately vertical wall and a mounting member to mount the cutter body to a base bed. CONSTITUTION:A base bed 1 is mounted in front of an approximately vertical wall W to be cut, and a cutter body 61 is mounted to the base bed 1 by means of a mounting table 51. After the cutting angle and the height of the cutter body 61 are regulated, the cutter body 61 is driven to cut the part to be cut of a wall surface. Thereafter, the cutter body 61 is moved in a cutting direction by means of a feed means 48, and the wall surface is linearly cut by means of a cutting blade 62 attached to the cutter body 61.

Description

[Detailed description of the invention] [Industrial application field 1 The present invention relates to a cutting device for cutting vertical wall surfaces.

[Prior Art] Conventionally, there has been no cutting device that cuts vertical wall surfaces. Therefore, when cutting a vertical wall surface, anchor bolts are driven into the wall surface, a mounting base is installed, and a cutting machine is placed on the mounting base to perform the cutting.

[Problems to be Solved by the Invention] The conventional cutting method described above has the problem of unnecessary damage to the wall surface because the anchor bolt is driven into a portion that is not intended to be cut. Furthermore, when installing the mounting base using anchor bolts, there is a problem in that the anchor bolts are easily removed, which is dangerous.

The present invention was devised in view of the above problems, and an object of the present invention is to provide a vertical wall cutting device that does not cause unnecessary damage to the wall surface and can work stably and safely. purpose.

[Means for Solving the Problems] In order to achieve the above object, a vertical wall cutting device according to the present invention includes a base and a cutting device attached to the base, and the cutting device cuts a substantially vertical wall. It consists of a cutting machine main body for cutting, and a mounting member for attaching the cutting machine main body to a base. It has a structure in which angle adjusting means is attached to the cutting machine body to adjust the cutting angle of the cutting machine body, and feeding means is provided to feed the cutting machine body in the cutting direction.

[Function] Since the vertical wall cutting device according to the present invention has the above-mentioned configuration, a base is installed in front of the substantially vertical wall to be cut, and the height of the cutting device body is adjusted by the height adjusting means to adjust the angle. After adjusting the cutting angle of the cutting machine main body by the adjusting means, the cutting machine main body can be driven to cut the portion of the wall surface to be cut. After that, the cutting machine body is moved in the cutting direction by the feeding means,
The wall will be cut in a straight line.

[Example] Hereinafter, an example of the present invention will be described based on FIGS. 1 to 5.

Reference numeral 1 indicates a base, and right aggregates with a cross section provided on both sides of the front part 2. A left aggregate 3 and a right bent aggregate 5 with a cross-sectional shape provided on both sides of the rear. It has left bent aggregate 6. This right bent aggregate5. The upper parts 5a and 6a of the left bent aggregate 6 are the right aggregate 2.
．． It is shaped so that it is close to the left aggregate 3 and the lower parts 5b and 6b are separated.

Further, between the right aggregate 2 and the left aggregate 3, five wooden front connecting aggregates 4 for connecting them are provided at the same interval as the interval between the right aggregate 2 and the left aggregate 3. A rear connecting aggregate 7 is also provided between the right bent aggregate 5 and the left bent aggregate 6 to connect them. Therefore, between the right aggregate 2 and the right bent aggregate 5, there are two right short connecting aggregates 8a, 8a that connect them.
and two veteran connecting aggregates 9a, 9a are provided, and two left short connecting aggregates 8b, 8b are also provided between the left aggregate 3 and left bent aggregate 6 to connect them. Left long connected aggregate 9b.

9b is provided. Also, right aggregate 2. At the center of the front surface of the left aggregate 3, a plurality of holes 2a are provided at predetermined intervals in the longitudinal direction.
..., 3a... are drilled, and the front connecting aggregate 4
. . . A plurality of holes 4a are also bored in the center. Further, a mounting plate 14 is provided between the central veteran connecting aggregate 9a and the left long connecting aggregate 9b, and the pump 12 is attached to this mounting plate 14 via bolts 13. Furthermore, a pneumatic cylinder 15 is attached to the lowest veteran connecting aggregate 9a and the left long connecting aggregate 9b via an L-shaped member 16, and the lower end of the drive rod 17 of this pneumatic cylinder 15 is attached to the base. Rollers 18 are provided for moving the platform 1.

Reference numeral 20 denotes a cutting device, which includes a mounting member 30 attached to the base 1 and a cutting machine main body 61 rotatably attached to the mounting member 30.

The mounting member 30 includes an adjustment member 31, a feeding member 40, and a mounting base 51.

The adjusting member 31 is an adjusting means for adjusting the cutting angle of the cutting machine main body 61, which will be described later, and has an abutment plate 34 that abuts the front surface of the right aggregate 2° and the left aggregate 3 of the base 1. This contact plate 34
The right aggregate 2. Holes 2a..., 3a... of left aggregate 3
Elongated holes 32 and 33 are formed correspondingly. Further, adjustment plates 35 and 36 are provided on the striking surface of the abutment plate 34 at predetermined intervals and abut against ribs 45 and 46 of the feeding member 40, which will be described later. This adjustment plate 35, 36 has a central hole 3 at the rear.
5b.

36b is formed, and a plurality of holes 35a to 36a are bored in the front part on an arc of radius r centering around the holes 35b and 36b. This adjustment member 31 is connected to the right aggregate 2. Align the holes 2a and 3a formed in the left aggregate 3 with the long holes 32 and 33 formed in the abutting plate 34 thereof, insert bolts (not shown) into both holes 2a, 32 and 3a, 33, and then tighten the nuts (not shown). The feeding member 40 is adapted to be attached to the base 1 by tightening with the 9. The feeding member 40 has a rear plate 41 and side plates 42 and 42 provided at both ends of the rear plate 41. An engagement protrusion 43 is formed on the upper edge of the rear plate 41 to engage an engagement edge 53a of the mounting base 51, which will be described later. Triangular ribs 45 and 46 are provided in a protruding manner. These ribs 45, 46 have holes 4 at the front.
5a.

46a is formed, and a hole 45b is formed at the rear part with an interval r.

46b is bored. Also, between the side plates 42 and 42, there is a slotted hole 55 formed in the leg plates 54, 54 of the mounting base 51, which will be described later.
．． A feed shaft 48 having a threaded portion 47 screwed into the feed shaft 48 is rotatably provided, and four handles for rotating the feed shaft 48 are attached to one end of the feed shaft 48. This feeding member 40 has its ribs 4 inserted into the holes 35a, 35b, 36a, 36b formed in the adjusting plate 35, 36 of the adjusting member 31.
Holes 45a, 45b, 46a, 46 formed at 5°46
b, and insert bolts (not shown) into both holes 45a and 35a, 4.
5b and 35b, 46a and 36a, and 46b and 36b, and are attached to the adjusting member 31 by tightening them with nuts (not shown).

The mounting base 51 has a fixed shaft 5 which fits into the pipe 66 of the cutting machine main body 61 and rotatably supports the cutting machine main body 61.
2, and leg plates 54 and 54 protruding from both sides of the upper plate 53 and having screw holes 55, 55 formed therein. An engagement edge 53a bent into a U-shape is formed at the rear end of the upper plate 53, and a shaft 57 of an adjuster 56 is rotatably supported near the fixed shaft 52. This adjuster 56 has an adjustment shaft 58 whose tip 58a is rotatably attached near a vibrator 66 provided in a protective case 63 of a cutting machine main body 61, which will be described later, and has a scale 58b formed on its upper part;
It has a holding part 59 that slidably holds this adjustment shaft 58, and a tightening bolt 59a that is screwed onto the holding part 59 and holds down the adjustment shaft 58.

The mounting base 5■ screws the screw holes 55 and 55 of the leg plates 54 and 54 onto the feed shaft 48 of the feed member 40, and engages the engagement edge 53a with the engagement protrusion 43 of the feed member 40. It is slidably attached to the sending member 40 by.

The cutting machine main body 61 includes an air motor M, a cutting blade 62 attached to the rotating shaft of the air motor M, a protective case 63 to which these are attached, and a protective case 63 provided above the protective cage 63 to press the cutting blade 62 against a vertical wall W. handle 64 for
, a pipe 66 attached to the side of the protective case 63 via a rib 65, and a bearing 63a of the adjustment shaft 58 provided near the vibrator 66. In addition, 6
Reference numeral 7.68 is a fountain pipe whose tip faces directly above and below the cutting blade 62, which is fixedly attached to the protective case 63, and whose rear end is connected to the water supply port 1.2a of the pump 12. ing. The cutting machine main body 61 is rotatably mounted on the mounting base 51 by pivoting its vibrator 66 to the fixed shaft 52 of the mounting base 51, and the tip 158a of the adjusting shaft 58 is attached to the protective case. 63 is pivotally supported by a bearing 63a.

70 is a water container, and the rear wall 71 of this container is the right aggregate 2 of the base 1. These holes 2 are in contact with the front side of the left aggregate 3.
Holes 72, 72 corresponding to a-..., 3a... are bored. Further, an opening (not shown) is formed in the lower surface 73 of this, and a drain pipe 74 connected to the suction port 12b of the pump 12 communicates with this opening. The water receptacle 70 is located below the mounting member 30,
Align the holes 72 and 72 of the right aggregate 2° with the holes 2a and 3a formed in the left aggregate 3, and insert bolts (not shown) into both holes 2a.

It can be attached to the base 1 by inserting it through 72, 3a, and 72 and tightening it with a chair/foot (not shown).

Next, how to use it will be explained.

Right aggregate of base l2. Hole 2a formed in left aggregate 3.

A long hole 32 formed in the contact plate 34 of the adjustment member 31 at 3a.
, 32 and insert bolts (not shown) into both holes 2a, 32 and 3a, 3B, and tighten with nuts (not shown) to attach the base 11''-adjustment member 31. 3 has a plurality of holes 2a, 3a formed therein, the height of the adjustment member 31 can be freely adjusted when attached to the base 1, and the vertical wall W can be cut from the bottom to the top. By changing the position of the hole 2a in the right aggregate 2 and the position of the hole 3a in the left aggregate 3.

The adjustment member 31 can be attached diagonally to the base 1. In addition, holes 4a, 4 formed in the front connecting aggregate 4
By attaching the adjusting member 50 in the same manner as described above in section a, the adjusting member 31 can be attached perpendicularly to the base I. Therefore, the horizontal cutting angle of the cutting machine main body 61 can be adjusted. In this way, the adjustment plates 35 and 36 of the attached adjustment member 31 are sandwiched between the ribs 45 and 46 of the sending member 40, and the holes 4 of the ribs 45 are inserted into the holes 35b of the adjustment plate 35 and the holes 36b of the adjustment T6 plate 36.
5b and the hole 46b of the rib 46, and also the hole 45a of the rib 45 and the hole 46a of the rib 46 are aligned with the middle hole 35a of the adjustment plate 35 and the middle hole 36a of the adjustment plate 36, and both holes 35b and 45b are aligned. , 35a and 45a, 36b and 4
By inserting bolts (not shown) into 6b, 36a and 46a and tightening them with nuts (not shown), the adjusting member 31
The feed member 40 can be mounted horizontally.

At this time, the mounting angle of the feeding member 40 can be changed depending on the mounting position of the holes 35a and 36a. Therefore, the cutting angle of the front and back of the cutting machine main body 61 can be adjusted.

Next, an air compressor (not shown) supplies compressed air to the pneumatic cylinder 15 provided at the bottom of the base 1, and pushes the drive rod 17 downward.The roller 18 provided at the bottom of the drive rod 17 is grounded and The stand 1 is lifted and the base 1 becomes movable. In this state, when the base 1 is moved in front of the vertical wall W and the supply of compressed air from the air compressor is released, the base 1 is installed in front of the vertical wall W.

Then, the air motor M of the cutting machine main body 61 is driven to rotate the cutting blade 62, and the pump 12 is also activated to spray water onto the upper and lower surfaces of the cutting blade 62. Next, the handle 64
When moved and pressed in the direction of the vertical wall W, the cutting machine main body 61
As shown by the two-dot chain line in FIG. 5, the cutting blade 62 rotates about the fixed shaft 52 as a fulcrum, and the cutting blade 62 comes into contact with a predetermined position of the vertical wall W to start cutting. During cutting, the cutting blade 62 is sprayed with water from the upper and lower surfaces, which prevents cutting debris from scattering and is sufficiently cooled, thereby sufficiently avoiding cutting problems such as blade clogging and blade spillage due to heating. be able to. The sprayed water falls into the container 70 and accumulates therein, and the accumulated water is further sent to the pump 12 via the drain pipe 74, thereby ensuring water circulation. It is planned. After cutting to a predetermined depth, the rotation angle of the cutting machine body 61 is read on the scale 58b of the adjustment shaft 58, and the adjustment shaft 58 is fixed by tightening the tightening bolt 59a. As a result, the cutting position of the cutting 11JT machine body 61 is fixed, and a constant cutting depth can always be obtained. Thereafter, by rotating the four handles of the feed member 40, the feed shaft 48 is rotated, and the mounting base 31 screwed into the threaded portion 47 of the feed shaft 48 is sent in one direction.

Therefore, the cutting machine main body 6■ performs a "straight line cut" on the vertical wall W.

As explained in the above embodiments, the vertical wall cutting device can be easily installed at the work place, and the vertical position and cutting angle of the cutting machine main body 61 can be easily set using the adjustment member 31, thereby increasing work efficiency. be able to.

Another embodiment of the present invention will be described based on FIGS. 6 to 8. Note that the mounting base 51 and the cutting machine main body 61 have been explained in the previous embodiment, so their description will be omitted.

Reference numeral 101 denotes a base, which includes a grounding stand 102 and a grounding stand 102.
It consists of a pillar 104 erected at the front part of. On the side surface of the grounding platform 102, the pneumatic cylinder 15 is connected to the L-shaped member 1.
6, and this pneumatic cylinder 1
A roller 18 for moving the base 101 is provided at the lower end of the drive rod 17 of No. 5. Further, fixing members 122, 122 are provided at the rear of the upper surface of the grounding base 1.02.

The fixing members 122, 122 include an L-shaped member 123 fixed to the rear part of the upper surface of the grounding platform 102, and this L-shaped member 1
A support shaft 125 screwed into a bearing part 124 provided in 23
It has A handle 126 is fixed to the rear end of this support shaft 125, and a holder 127 is rotatably attached to the tip of the support shaft 125. The holder 127 is rotatably attached to a ground plate 128. A plurality of holes 105 are provided at a predetermined interval in the longitudinal direction on the side surface of the pillar 104 to completely fix a sliding member 111 to be described later at a predetermined height. A vertical adjustment means 107 is provided.

This vertical adjustment means 107 is composed of a motor 108, a guide column 110 erected on a frame 1.09 that covers the motor 108, and a sliding member 111 that fits into the column 104 so as to be vertically slidable. There is. A sprocket 112 is rotatably supported by a cantilever at the upper end of the guide column 110. A chain 114 is wound around the sprocket 112 and a sprocket 113 attached to the drive shaft of the motor 108, and both ends of the chain 114 are attached to the sliding member 111. The rear part of this sliding member 111 is inserted.
A through hole 111a is provided, and the through hole 111a is inserted into the support column 1.
04, both holes 1.11a.
, 105 so that the sliding member 111 can be fixed to the column 104 by inserting the bottle 1llb into the column 105.

Note that the rear part of the sliding member 111 and the rear part of the grounding base 102 are
They are rotatably connected by a telescopic member 115. This extensible member 115 is slidably fitted into a sliding tube 116 in which a plurality of holes 116a are bored at predetermined intervals in the longitudinal direction. Fitting tube 11 having a hole 117a for fixing in a predetermined position
7, and a bolt 118a and a nut 11 that are inserted into the holes 116a and 117a to fix the sliding tube 116 and the fitting tube 117.
It consists of 8b.

Reference numeral 129 denotes a cutting device, which includes a mounting member 130 attached to the sliding member 111 and a cutting machine main body 61 rotatably attached to the mounting member 130. Also, the mounting member 130
The adjustment means 13 and the feeding member 140. It is composed of a mounting base 51.

The adjusting means 131 is for adjusting the cutting angle of the cutting machine main body 61, and is provided with a bin 1 at the front of the sliding member 111.
31a, and a horizontal angle adjustment member 132 that is rotatably provided through the longitudinal angle adjustment member 132, and a horizontal angle adjustment member that is screwed into a plurality of screw holes 132a formed at predetermined intervals in the front of the longitudinal angle adjustment member 132. It consists of a member 135. A pin 132b is provided on the right side of this longitudinal angle adjustment member 132.
is provided protrudingly (see FIG. 7), and the upper end 133a of the drive rod of the hydraulic cylinder 133 is rotatably supported on this pin 132b. The lower end of this hydraulic cylinder 133 is connected to an L-shaped receiving plate 11 protruding from the right side of the sliding member 111.
It is rotatably supported by 1c. Horizontal angle adjustment member 1
35 is formed in a U-shape, has two holes 135a at both rear ends that are aligned with the screw holes 132a of the longitudinal angle adjustment member 132, and has a rear plate 141 of a later-described feeding member 140 rotatably attached to the front end. A pin 136 is provided for this purpose.

The feeding member 140 has a rear plate 141 and side plates 142 and 142 provided at both ends of the rear plate 141. Rear plate 14
An engagement protrusion 143 that engages the engagement edge 53a of the mounting base 51 is formed on the upper edge of the holder 1, and a water receptacle 144 having an L-shaped cross section is formed on the lower edge. This water receiver is provided with an opening 145 on one side of the portion 144, and this opening 145 is connected to the suction port 1 of the pump 12 disposed on one side of the grounding base 102.
2b via a drain pipe 74. Note that the water supply port L2a of this pump 12 is connected to the water fountain pipe 6 of the cutting machine main body 61.
7.68 is connected.

Also, between the side plates 142, 142, there is a leg plate 54 of the mounting base 51.
Threaded portion 1 screwed into screw hole 55.55 formed in 54
A feed shaft 148 having a diameter of 47 is rotatably provided, and a motor 14 for rotating the feed shaft 148 is provided at one end of the feed shaft 148.
9 is attached via a 1 m rear plate 42. As mentioned above, the rear plate 141 of this feeding member 140 is rotatably attached to the front surface of the longitudinal angle adjustment member 132 via a bin 136. The upper end 151a of a drive rod of a hydraulic cylinder 151 is rotatably supported on the left side of the rear plate 141.The lower end of this hydraulic cylinder 151 is protruded from the left side of the front-rear angle adjusting member 132 and has an fS cross section. It is rotatably supported by the letter-shaped left support Fi132c.

Next, how to use it will be explained. An air compressor (not shown) supplies compressed air to the pneumatic cylinder 15 provided at the bottom of the base 101 to push the drive rod 17 downward. Drive rod] Roller 18 provided at the bottom of 7
is grounded, the base 1°l is lifted, and the base 101 becomes movable.

In this state, when the base 101 is moved in front of the vertical wall W and the supply of compressed air from the air compressor is released, the base 101
01 is installed in front of the vertical wall W. Furthermore, the grounding platform 102
While adjusting the length of the support shaft 125 by rotating the handle 126 of the fixing member 122 attached to the rear of the ground plate 1,
28 is grounded.

Then, the height of the cutting machine main body 61 is adjusted.

In this case, the bottle 111b must be removed from the sliding member 111 and the bolt 118a must be removed from the fitting tube 117. First, the motor 108 is driven to rotate the chain 114.
After adjusting the height of the sliding member 111 via
1b is inserted through the insertion hole 111a and the hole 105 of the support column 104, the sliding member 111 is fixed to the support column 104. Then, pass the bolt 118a through the hole 116a of the sliding tube 116 and the holes 11, 7a of the fitting tube 117, and tighten the nut 118.
Fix with b. Further, the hydraulic cylinder 151 is operated to adjust the horizontal inclination angle of the cutting machine main body 61, and then the hydraulic cylinder 133 is operated to adjust the longitudinal inclination angle of the cutting machine main body 61. Then, the air motor M of the cutting machine main body 61
to rotate the cutting blade 62 and the pump 12.
is activated to spray water onto the upper and lower surfaces of the cutting blade 62.

The injected water falls into the water receiver of the first feeding member 140 and collects therein, and the collected water is further sent to the pump 12 via the drain pipe 74.
Water circulation is planned. Next, when the handle 64 is moved and pressed in the direction of the vertical wall W, the cutting machine main body 61 is moved to the fixed shaft 52.
The cutting blade 62 rotates about the vertical wall W at a predetermined position and starts cutting. After cutting to a predetermined depth, the rotation angle of the cutting machine body 61 is read on the scale 58b'''C of the adjustment shaft 58, and the adjustment shaft 58 is fixed by tightening the tightening bolt 59a. The position is fixed, and a constant cutting depth is always obtained.Then, by driving the 14 motors, the feed shaft 148 is rotated, and the mounting screw is screwed into the threaded portion 147 of this feed shaft 148. The table 31 is fed in one direction.Therefore, the cutting machine main body 61 performs a "straight line cut" on the vertical wall W.

The above embodiment differs from the previous embodiment in that the cutting height can be easily adjusted by the motor 108, the cutting angle can be easily adjusted by the hydraulic cylinders 133 and 151, and the cutting machine body 61 can be automatically fed by the motor 149, so once assembled, there is no need for effort to reassemble 4, and operability is improved.
Safety can be improved 9 In addition, since the sliding member 111 and the grounding platform 102 are integrally connected by the telescopic member 115, the support pillar 104 is reinforced, and the reaction received during work is absorbed by the support pillar 104 itself and the telescopic member 115. It can be used in both directions, making it safer. Furthermore, the fixing member 122 provided at the rear of the grounding platform 02 prevents the base 10 from being damaged by the reaction received during work.
1 from being pushed to the side opposite to the cutting machine main body 61,
Work efficiency is improved. Furthermore, the front/back angle adjustment member] 32 and the horizontal angle adjustment member 135 can be fastened with bolts by aligning the screw hole 132a of the front/back angle adjustment member 132 with the hole 135a of the horizontal angle adjustment member 135. The horizontal angle adjustment member 135 can be easily removed from the angle adjustment member 132, and the screw hole 132
Since a plurality of a are provided, together with the vertical adjustment means 107, the range of vertical adjustment is widened, and it is possible to work close to the ground.

It goes without saying that the present invention is not limited to the above embodiments, and can be modified in various ways.

[Effects of the Invention] The present invention can be easily installed at a work place without causing unnecessary damage to vertical walls, and can work stably and safely. This has the advantage of providing a vertical wall cutting device that can be adjusted.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing a base according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of essential parts thereof, Fig. 3 is an overall front view thereof, Fig. 4 is an overall side view thereof, and Fig. 5 is its state of use. Overall plan showing
FIG. 6 is an overall perspective view showing another embodiment of the present invention, FIG. 7 is a perspective view of a main part thereof, and FIG. 8 is a sectional view of a main part thereof. 1... Base, 2... Right aggregate, 3... Left aggregate, 20
Cutting device, 30 Mounting member, 31 Adjustment member (adjustment means), 40 Feed member, 48 Feed shaft, four handles, 51 Mounting Stand, 61・
... Cutting machine main body, 101 ... Base, 102 ... Grounding stand, 104 ... Support column, 107 ... Vertical adjustment means, 1
10... Guide column, 111... Sliding member, 129...
... Cutting device, 130 ... Mounting member, 131 ... Adjustment means, 132 ... Front-rear angle adjustment member, 133 ...
Hydraulic cylinder, 135... Horizontal angle adjustment member, 140... Feeding member, 148... Feeding shaft, 149... Motor, 151...
・Hydraulic cylinder

Claims (1)

[Scope of Claims] A vertical wall cutting device comprising a base and a cutting device attached to the base, having the following requirements. (a) The cutting device shall consist of a cutting machine body for cutting a substantially vertical wall, and a mounting member for attaching the cutting machine body to a base. (b) The mounting member is attached to the base via a height adjusting means for adjusting the cutting height of the cutting machine main body, and includes an angle adjusting means for adjusting the cutting angle of the cutting machine main body, and an angle adjusting means for adjusting the cutting angle of the cutting machine main body, and a height adjusting means for adjusting the cutting height of the cutting machine main body. There must be a means of sending it to.