JPH0866916A - Boring device - Google Patents

Abstract

PURPOSE: To realize an easy attachment and detachment of a working section to and from a body to be bored, the surface of which is formed perpendicularly, and at the same time, prevent the falling accident of the working section from occurring. CONSTITUTION: A shoulder band 21, both ends of which are mounted to the tip and root of a strut 6 of a working section 11 for holding the working section 11, is shouldered by a worker so as to attach and detach the working section 11 to and from concrete wall 13 under the state that the working section 11 is held. Thus, the safety and efficiency of the boring work of a body to be bored, the surface of which is formed perpendicularly, can be improved, and at the same time the fatigue of the worker can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a punching device for making a hole in an object to be drilled, and more particularly to a punching device suitable for making a hole in a concrete structure.

[0002]

2. Description of the Related Art FIG. 6 is a front view showing a conventional example of a punching device,
FIG. 7 is a diagram for explaining a process of mounting an operating unit provided in the punching device of FIG. 6 on a concrete wall, and FIG. 8 is a diagram for explaining a process of making a hole in the concrete wall by the punching device of FIG.

The conventional punching device shown in FIG.
For example, an adsorption fixing body 2 that can be adsorbed on the surface of the concrete floor 1, an adsorption packing 2a that is mounted on the entire lower surface of the adsorption fixing body 2, a surface of the concrete floor 1, and an adsorption fixing body 2
A vacuum pump 5 for sucking air between the vacuum suction port 3 and a vacuum hose 4, a base plate 6a movably mounted on the suction fixing body 2, and a base plate 6
A pillar 6 fixed on a, standing upright in the direction perpendicular to the surface of the object to be drilled, that is, the concrete floor 1, a movable support 7 movably provided along the pillar 6, and this movable support. It is composed of a handle 8 for moving 7 and a diamond core drill 9 attached to the above-mentioned movable support 7. The suction fixed body 2, the suction packing 2a, the column 6, the base plate 6a, the movable support 7, the handle 8 and the diamond core drill 9 constitute a detachable actuating portion 11 on the surface of the concrete floor 1 or the like. There is. Further, a blade portion 9b is attached to the diamond core drill 9 via a spindle 9a, the blade portion 9b faces the perforated portion 1a of the concrete floor 1, and the tip of the blade portion 9b is formed by the boring operation. An annular water receiver 12 for receiving cooling water is disposed around the perforated portion 1a because it generates heat.

In this conventional punching device, the adsorption fixing body 2 is arranged on the surface of the concrete floor 1, and the vacuum pump 5 is operated to suck the air between the surface of the concrete floor 1 and the adsorption fixing body 2. As a result, the adsorption fixing body 2 is adsorbed on the surface of the concrete floor 1. As a result, the working portion 11 is mounted on the surface of the concrete floor 1, and the support pillars 6 of the working portion 11 are fixed via the suction fixing body 2 and the base plate 6a. Next, the water receiver 12 is arranged at a predetermined position in the vicinity of the operating portion 11a.
Concrete floor 1 by pressing member not shown at one end of 2
The cooling water is supplied into the water receiving body 12 in a state in which the other end of the water receiving body 12 and the surface of the concrete floor 1 are sealed with a rubber member (not shown) while being pressed toward. Then, the operator rotates the handle 8 to move the movable support 7 toward the surface of the concrete floor 1 along the columns 6, and presses the blade portion 9b of the diamond core drill 9 against the concrete floor 1. Then, a start switch (not shown) is turned on to rotate the blade portion 9b to open a hole in the perforated portion 1a of the concrete floor 1.

Further, as shown in FIG. 7, when a hole is made in the concrete wall 13 whose surface is formed vertically by the above-mentioned punching device, first the tip of the vacuum hose 4 is pulled out from the vacuum outlet 3 of the suction fixing body 2. Remove and place the vacuum pump 5 on the concrete floor 1. Next, the operator uses one hand to support the strut 6
While positioning the operating part 11 while gripping, the suction fixing body 2 is abutted against the surface of the concrete wall 13, and the vacuum hose 4 is gripped by the other hand and connected to the vacuum outlet 3 of the suction fixing body 2. The vacuum pump 5 sucks air between the surface of the concrete wall 13 and the adsorption fixing body 2. As a result, since the adsorption fixing body 2 is adsorbed on the surface of the concrete wall 13, the operating portion 11 is mounted on the surface of the concrete wall 13 via the adsorption fixing body 2.

Next, the water receiver 12 is arranged at a predetermined position on the surface of the concrete wall 13, and one end of the water receiver 12 is pressed toward the concrete wall 13 by a pressing member (not shown), and Cooling water is supplied into the water receiver 12 in a state where the other end and the surface of the concrete wall 13 are sealed with a rubber member (not shown). Then, the operator rotates the handle 8 to move the movable support 7 toward the surface of the concrete wall 13 along the pillar 6, and presses the blade portion 9b of the diamond core drill 9 against the concrete wall 13. Next, a hole is made in the concrete wall 13 by turning on a start switch (not shown) and rotating the blade 9b.

After making a hole in the concrete wall 13 in this manner, the water receiver 12 is removed from the surface of the concrete wall 13, and then the operator holds the support column 6 with one hand so that the operating portion 11 is removed. By removing the tip of the vacuum hose 4 from the vacuum outlet 3 of the suction fixing body 2 with the other hand while supporting, the state of sucking air between the surface of the concrete wall 13 and the suction fixing body 2 is released, and as a result, Since the operating part 11 is detached from the concrete wall 13, the operating part 11 is lowered onto the concrete floor 1.

[0008]

By the way, in the above-described conventional punching device, when the operator drills a hole in the concrete wall 13 whose surface is formed vertically, the operator holds the suction fixing body 2, the support pillar 6, The positioning work of the diamond core drill 9 is difficult because it is necessary to carry out the positioning work while receiving a considerable weight of the movable support 7 and the diamond core drill 9, and to hold the vacuum hose 4 by the other hand to carry out the connection work. There is a problem that not only the work efficiency is inferior, but also the worker is easily tired. Also,
When adsorbing the adsorption fixing body 2 on the concrete wall 13 or when detaching the adsorption fixing body 2 from the concrete wall 13, there is a concern that an operator may accidentally drop the operating portion 11, and thus work safety Improvement was demanded.

The present invention has been made in view of the situation in the prior art as described above, and an object thereof is to punch an object to be perforated whose surface is formed vertically so that an operating portion of the object to be perforated is formed. An object of the present invention is to provide a punching device that can be easily attached and detached and can prevent a fall accident of an operating portion.

[0010]

In order to achieve this object, the present invention is directed to an adsorption fixing body capable of adsorbing to the surface of an object to be perforated, a column standing on the adsorption fixing body, and movable along this column. A movable support provided on the movable support, and an operating part including a diamond core drill supported by the movable support,
The suction fixed body is connected via a vacuum hose, and has a vacuum pump for sucking air between the suction fixed body and the surface of the perforated body, and the surface of the perforated body of the suction fixed body. In a state in which the operating part is attached to the body to be drilled by adsorption to, in the drilling device for punching a hole in the body to be drilled by the diamond core drill, the working part includes a shoulder hanger that holds the working part, The shoulder hook is hung on the shoulder of an operator to hold the operating portion, and the operating portion is attached to and detached from the body to be punched.

[0011]

Since the present invention is configured as described above, when a worker hangs a shoulder hanger on his shoulder when making a hole in a vertical object to be drilled, while holding the operating part through this shoulder hanger, After positioning the operating part, the air between the suction fixing body and the surface of the perforated body is sucked by the vacuum pump to adsorb the adsorption fixing body to the perforated body. It is mounted on the surface of the body to be drilled. Then, in this state, after making a hole in the object to be drilled by the diamond core drill, a state in which the operator sucks the air between the suction fixing body and the surface of the object to be drilled while holding the operating part by the above-mentioned shoulder hanging tool. Is released, and as a result, the operating portion is separated from the body to be drilled, so that the operating portion is lowered to a predetermined position. As a result, when a hole is formed in a body to be drilled whose surface is vertical, the operator holds the actuating part via the shoulder strap, so that the worker holds the actuating part with only one hand. In comparison, the burden on the operator can be reduced,
The actuating portion can be easily attached to and detached from the body to be perforated. Further, as described above, since the operator holds the operating portion via the shoulder hanger, it is possible to prevent an accidental accidental fall of the operating portion.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the punching device of the present invention will be described below with reference to the drawings. 1 is a front view showing an embodiment of a punching device of the present invention, FIG. 2 is an enlarged perspective view showing an end portion of a shoulder strap provided in the punching device of FIG. 1, and FIG. 3 is a punching device of FIG. 1 is an enlarged perspective view showing the other end portion of the shoulder hanger provided in FIG. 4, FIG. 4 is a view for explaining a process of mounting an operating portion provided in the punching device of FIG. 1 on a concrete wall, and FIG. 5 is FIG.
It is a figure explaining the process of making a hole in a concrete wall with the punching device. In addition, in FIGS. 1 to 5, the same components as those shown in FIGS. 6 to 8 described above are denoted by the same reference numerals. That is, 1 is a concrete floor, 2 is a suction fixing body, 2a is a suction packing, 3 is a vacuum port, 4 is a vacuum hose, 5 is a vacuum pump, 6 is a support, 6a is a base plate, and 7a.
Is a movable support, 8 is a handle, 9 is a diamond core drill, 9a is a spindle, 9b is a blade portion, 11 is an operating portion,
12 is a water receiver, and 13 is a concrete wall.

In the punching device of this embodiment shown in FIG. 1, in comparison with the conventional example shown in FIGS.
A shoulder device for holding the operating portion 11, for example, a shoulder band 21 is provided. The length of the shoulder strap 21 can be adjusted by a well-known length adjusting means (not shown), and the shoulder strap 21 has a pair of attachments 22 and 23 at both ends. Then, as shown in FIG. 2, a support tool, such as an eyebolt 24, to which the attachment tool 22 at one end is detachably attached is screwed to the tip of the support column 6, and is attached to the base portion of the support column 6 as shown in FIG. Another supporting tool to which the mounting tool 23 at the other end is detachably mounted, for example, a supporting metal fitting 26 having a hole 25 is provided, and the supporting metal fitting 26 is fixed to one end of the base plate 6 a via a bolt 27. It should be noted that by attaching the attachment tool 22 of the shoulder strap 21 to the eyebolt 24 at the tip of the support column 6 and attaching the other attachment tool 23 to the support fitting 26 at the base of the support column 6, the shoulder strap 2
Both ends of 1 are attached to the attachment positions on both sides of the center of gravity of the operating portion 11, respectively.

In this embodiment, when making a hole in the concrete wall 13 whose surface is formed vertically, first the vacuum hose 4 is removed from the vacuum suction port 3 of the suction fixing body 2, and the vacuum pump 5 is made concrete. After placing it on floor 1,
The operator holds the actuating portion 11 by hanging the shoulder strap 21 on the shoulder and holds the support column 6 with one hand, thereby positioning the actuating portion 11 and adsorbing the fixed body 2.
To the surface of the concrete wall 3. In this state, the vacuum hose 4 is grasped by the other hand and connected to the vacuum outlet 3 of the suction fixing body 2, and the suction fixing body 2 is connected by the vacuum pump 5.
By sucking air between the concrete wall 13 and the surface of the concrete wall 13, the adsorption fixing body 2 is adsorbed on the surface of the concrete wall 13. As a result, the operating portion 11 is mounted on the surface of the concrete wall 13, and the support pillar 6 is fixed to the concrete wall 13 via the adsorption fixing body 2 and the base plate 6a. Then, as shown in FIG. 5, an operator moves the movable support 7 along the support pillar 6 toward the surface of the concrete wall 13 by rotating the handle 8 to move the blade portion 9b of the diamond core drill 9 to the concrete wall. A hole is made in the concrete wall 13 by pressing it against 13 and rotating the blade 9b in this state.

After making a hole in the concrete wall 13 in this manner, the operator uses the shoulder strap 21 to move the operating portion 11
Holding the column 6 with one hand and the vacuum hose 4 with the other hand to remove it from the vacuum inlet 3 of the suction fixing body 2, and remove the space between the suction fixing body 2 and the surface of the concrete wall 13. Release the state of sucking air. As a result, the operating part 11 is separated from the concrete wall 13, so that the operating part 11 is held on the shoulder strap 21 and is lowered onto the concrete floor 1.

In the embodiment thus constructed, when a hole is made in the concrete wall 13 whose surface is formed vertically, the operator holds the operating portion 11 via the shoulder strap 21 so that the operator can use one hand. The burden on the operator can be reduced and the operation part 11 can be easily attached to and detached from the concrete wall 13 as compared with the conventional case in which the operation part 11 is held only by itself. Further, as described above, since the operator holds the operating portion 11 via the shoulder strap 21, it is possible to prevent an accident that the operating portion 11 is accidentally dropped. further,
Since both ends of the shoulder strap 21 are attached to the mounting positions on both sides sandwiching the center of gravity of the operating portion 11, the shoulder strap 21 can hold the operating portion 11 in a stable state.

In this embodiment, the shoulder strap 21 is provided as the shoulder strap for holding the actuating portion 11. However, instead of the shoulder strap 21, another cord-shaped member such as a rope or a chain may be provided. .

[0018]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, when a hole is to be formed in a body whose surface is formed vertically, the work such as positioning of the operating portion is carried out while being held by a shoulder strap. As compared with the conventional case in which the operating portion is held with only one hand, the work is easier, and therefore, the fatigue of the worker can be reduced and the work efficiency can be improved. In addition, by holding it with a shoulder hanger, it is possible to prevent a fall accident of the operating portion, and therefore, there is an effect that it is possible to improve the safety of the work of attaching and detaching the operating portion to the body to be drilled.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a punching device of the present invention.

2 is an enlarged perspective view showing a part of one end of a shoulder hanger provided in the punching device of FIG. 1. FIG.

3 is an enlarged perspective view showing the other end portion of the shoulder hanger provided in the punching device of FIG. 1. FIG.

FIG. 4 is a diagram illustrating a step of mounting an operating unit included in the punching device of FIG. 1 on a concrete wall.

FIG. 5 is a diagram illustrating a step of making a hole in a concrete wall with the punching device of FIG. 1.

FIG. 6 is a front view showing a conventional example of a punching device.

FIG. 7 is a diagram illustrating a step of mounting an operating unit included in the punching device of FIG. 6 on a concrete wall.

FIG. 8 is a diagram illustrating a step of making a hole in a concrete wall with the punching device of FIG.

[Explanation of symbols]

 2 Adsorption fixed body 5 Vacuum pump 6 Support 7 Movable support 9 Diamond core drill 11 Working part 13 Concrete wall (perforated body) 21 Shoulder strap (shoulder fitting) 22, 23 Fixing tool 24 Eyebolt (supporting tool) 25 Supporting fitting (supporting) Ingredient

Claims (3)

[Claims] 1. A suction fixed body capable of being sucked onto the surface of a body to be punched, a support provided upright on the suction fixed body, a movable support provided movably along the support, and the movable support. An operating part including a supported diamond core drill and a suction hose connected to the suction fixing body via a vacuum hose,
It has a vacuum pump for sucking air between the adsorption fixed body and the surface of the object to be perforated, and the working portion is attached to the object to be perforated by adsorption to the surface of the object to be perforated of the adsorption fixed body. In the mounted state, in the drilling device for punching a hole in the body to be drilled by the diamond core drill, the operating part is provided with a shoulder hanger that holds the operating part, and the shoulder hanger is hung on the operator's shoulder. A punching device, characterized in that the actuating part is attached to and detached from the body to be punched while holding the actuating part. 2. The punching device according to claim 1, wherein the shoulder hanger is formed of a cord-like body, and both ends of the shoulder hanger are attached to both mounting positions sandwiching the center of gravity of the operating portion. 3. A support metal fitting to which one end of a shoulder hanger is detachably attached is provided at the tip of the pillar, and another support metal fitting to which the other end of the shoulder hanger is detachably attached is provided at the base of the pillar. The punching device according to claim 2, wherein