KR20130071157A - Drilling apparatus using core drill - Google Patents

Abstract

PURPOSE: An environmentally-friendly boring device is provided to block the atmosphere or underwater exposure of sludge or dust generated in boring of a structure. CONSTITUTION: An environmentally-friendly boring device comprises a core drill(20), a sealing cover(10), and a circulation member(30). The core drill comprises a core bit rotating on a structure and a plurality of segments attached to an end of the core bit. The sealing cover comprises an accommodation unit and is attached to the structure in order to seal the accommodation unit. The circulation member comprises a supply pipe supplying cooling water to the accommodation unit and a drain pipe draining the cooling water to the outside.

Description

Eco-friendly drilling device using core drill {DRILLING APPARATUS USING CORE DRILL}

The present invention relates to an eco-friendly drilling device using a core drill, more specifically, environmentally friendly using a core drill to prevent environmental pollution by blocking the source of sludge and dust generated during the drilling of the structure to the air or water at the source. It relates to a drilling device.

In general, a core drill (Core Drill) is a kind of grinding tool for drilling a concrete structure, such as walls, floors, ceilings into the core shape. This core drill comprises a cylindrical core bit and segments containing diamond attached to the bottom of the core bit. The core bit is rotated by an electric or hydraulic motor to rotate the segments and at the same time, the core bit is moved forward or manually through an automatic transfer mechanism to penetrate the concrete structure. The drilling operation using such a core drill has no noise and vibration, and thus there is an advantage that a desired drilling can be performed regardless of the state or shape of concrete.

On the other hand, in the drilling operation using the core drill, in order to cool the heat generated by the friction of the drilling portion, a method of injecting water and drilling is generally used. However, in the case of such wet drilling, the drilling efficiency is good, but the sludge, which is made by mixing more than 200 liters of water per hour and the powder of concrete and cutting materials, cannot be effectively controlled, and was discarded on site. In the case of water cutting, sludge is dumped into the sea, rivers, and rivers, causing environmental pollution.

Accordingly, there is a need for an eco-friendly drilling device using a core drill capable of drilling underwater in concrete structures without discharging pollutants in many domestic situations such as sea, river, and river.

An object of the present invention for solving the problems of the prior art as described above is provided with a sealing cover to seal between the outer surface of the structure to be drilled, and the core bit for drilling the outer surface of the structure, sludge generated during the drilling of the structure And to provide an environmentally friendly fabric mill using a core drill to prevent dust from being exposed to the atmosphere or water.

In addition, another object of the present invention is to collect the sludge generated during the drilling operation, to settle in the sedimentation tank, to purify the precipitated upper water to be supplied back to the airtight cover, core drill to recycle the cooling water to cool the friction heat It is to provide an eco-friendly fabric mill used.

In order to achieve the above object, the present invention provides an eco-friendly drilling apparatus using a core drill for drilling a concrete structure, the core comprising a core bit positioned to rotate on the structure, and a plurality of segments attached to the end of the core bit. drill; And provided with an end portion is inserted into the end of the core bit is located inside, provides an eco-friendly fabric mill using a core drill, characterized in that it comprises a sealing cover in close contact with the structure so that the receiving portion is sealed.

In addition, the core drill further comprises a circulation member having a water supply pipe for supplying the cooling water to the receiving portion of the sealing cover and a drain pipe for draining the cooling water supplied to the receiving portion of the sealing cover to the outside. Provide eco-friendly fabric mills.

The circulation member may further include: a sedimentation tank containing coolant drained from the drain pipe, wherein the coolant drained from the drain pipe includes sludge or dust generated while cutting the structure. Provide eco-friendly fabric factory.

In addition, the circulation member includes: a connection pipe to which the sludge and dust contained in the cooling water contained in the settling tank is precipitated and the upper layer water located at an upper portion thereof is moved; And the upper water is moved from the connecting pipe is accommodated, and further comprising a water purification tank for purifying the upper water to the cooling water, one side of the water supply pipe is connected to the water purification tank, the other side of the water supply pipe is connected to the sealing cover, It provides an eco-friendly cloth mill using a core drill, characterized in that the cooling water purified in the water purification tank is supplied to the sealed cover through the water supply pipe.

In addition, the circulation member: a drain pump is further provided between the sealing cover and the drain pipe, to provide an eco-friendly cloth mill using a core drill, characterized in that for pumping sludge and dust generated in the sealing cover to the settling tank. do.

The circulation member may further include a hydraulic member for supplying hydraulic pressure to the drain pump, wherein the hydraulic member includes a hydraulic part for generating hydraulic pressure, and the hydraulic pressure generated by the hydraulic part is supplied to the drain pump. It provides an eco-friendly cloth mill using a core drill, characterized in that it comprises a supply line, and a hydraulic discharge line for discharging the hydraulic pressure supplied to the drain pump.

In addition, from the upper side of the outer surface of the sealing cover to the lower side, the water supply portion is formed so that the water supply pipe is inserted, the bit insertion portion is formed so that the core bit is inserted and the drainage portion is formed so that the drain pipe is connected in sequence. Provides eco-friendly fabric mill using core drill.

In addition, the inner periphery of the bit insert portion provides an eco-friendly fabric mill using a core drill, characterized in that the packing unit is provided.

In addition, between the outer periphery of the airtight cover and the surface of the structure, provides an eco-friendly fabric mill using a core drill, characterized in that the epoxy (EPOXY) resin is applied.

In addition, the core drill provides an eco-friendly cloth mill using a core drill, characterized in that located in the water.

Eco-friendly cloth mill using a core drill according to the present invention is sealed between the outer surface of the structure to be drilled and the core bit for drilling the outer surface of the structure by a sealing cover, so that sludge and dust generated during the drilling of the structure is air or It is effective to prevent environmental pollution by blocking exposure to water at the source.

In addition, the eco-friendly fabric mill using the core drill according to the present invention does not expose the segment attached to the core bit during the drilling operation, there is an effect that can increase the work safety.

In addition, the eco-friendly cloth mill using the core drill according to the present invention by collecting the sludge generated during the drilling of the structure to settle in the sedimentation tank, so that the purified upper layer water is supplied back to the airtight cover, by recycling the reused cooling water to reuse, It is effective in preventing environmental damage and saving resources.

1 is a view schematically showing an eco-friendly cloth mill using a core drill according to a first embodiment of the present invention.
2 is a view illustrating a closed cover of an eco-friendly drilling device using a core drill according to a first embodiment of the present invention.
3 is a view schematically showing the circulation member of the eco-friendly drilling device using a core drill according to a first embodiment of the present invention.
4 is a view schematically showing an eco-friendly cloth mill using a core drill according to a second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail eco-friendly fabric mill using a core drill in accordance with a preferred embodiment of the present invention.

1 is a view schematically showing an eco-friendly cloth mill using a core drill according to a first preferred embodiment of the present invention, Figure 2 is an eco-friendly drilling using a core drill according to a first preferred embodiment of the present invention It is a figure for explaining the sealing cover of the apparatus.

1 and 2, the eco-friendly cloth mill using the core drill according to the first preferred embodiment of the present invention inherently exposed to the atmosphere or water sludge and dust generated during the drilling of the concrete structure (5) To block the core drill 20, the sealing cover 10 and the circulation member 30 is configured to include.

The core drill 20 is a general drilling of the concrete structure (5), which is located in the atmosphere or water, fixed part 22 fixed to the structure (5), and is mounted on the fixed part 22 and electrically or 1 motor part 24 is rotated at high speed by the hydraulic member 40, one side is coupled to the motor part 24 and the other side is located in the structure (5) direction of the cylindrical rotated by the motor part 24 It comprises a core bit 26 and a plurality of segments 28 attached to the other side of the core bit 26 and formed of diamond or the like. At the same time as the high speed rotation of the core bit 26 by the motor part 24, the segment 28 penetrates the concrete structure 5 by the forward movement of the core bit 26 by manual or automatic.

The sealing cover 10 has a receiving portion 10a formed to be concave to accommodate the end of the core bit 26 therein. In addition, the water supply part 14 is formed in a through shape so that the water supply pipe 31 to be described later is inserted in the upper side of the outer cover 10, and the core bit 26 is inserted in the lower part of the water supply part 14. Insertion portion 12 is formed. And the drainage portion 16 is formed in the lower side of the bit inserting portion 12 on the outer surface of the sealing cover 10 so that the drain pump 38 to be described later is inserted. And the drain pipe 36 to be described later is connected to the drain pump 38, the drain pipe 36 is indirectly connected to the drain portion (16).

In addition, a packing part 13 formed of a rubber material or the like is provided along the inner circumference of the bit inserting part 12, so that the space between the bit inserting part 12 and the core bit 26 is tightly packed.

A coupling part 18 such as a bolt, an anchor, etc. is penetrated through the outer surface of the sealing cover 10 toward the structure 5 so that the sealing cover 10 is firmly fixed to the structure 5. In addition, a bonding material 19 such as epoxy resin is applied between the outer circumference of the airtight cover 10 and the surface of the structure 5 so that the airtight cover 10 and the structure 5 are bonded more closely. And the sealing cover 10 may be configured to be waterproof.

As such, the present invention is closely sealed between the outer surface of the structure 5 to be punctured by the airtight cover 10 and the core bit 26 for puncturing the outer surface of the structure 5, thereby puncturing the structure 5. Sludge and dust generated at the time can be prevented from being exposed to the air or water at the source, and sludge and dust are not scattered to the air or discarded into the sea, rivers, rivers, etc., which can prevent environmental pollution. There is this. In addition, since the segment 28 attached to the core bit 26 during the drilling operation is not exposed to the outside by the sealing cover 10, there is an advantage to increase the work safety.

The circulation member 30 supplies cooling water into the sealing cover 10 and drains the cooling water supplied to the sealing cover 10 to the outside, which will be described with reference to the following drawings.

3 is a view schematically showing the circulation member of the eco-friendly drilling device using a core drill according to a first embodiment of the present invention.

Referring to the drawings, the circulation member 30 includes a water supply pipe 31, a drain pump 38, a drain pipe 36, a settling tank 34, a water purification tank 32, and a connection pipe 33. The water supply pipe 31 is a pipe for supplying cooling water to the receiving portion 10a of the airtight cover 10, one side of which is connected to the water purification tank 32 to be described later, and the other side of the water supply part 14 of the airtight cover 10. Connected, the cooling water purified in the water purification tank 32 is supplied to the airtight cover 10.

The drain pump 38 is inserted into the drain portion 16 of the sealed cover 10 to pump the coolant supplied to the sealed cover 10 to the drain pipe 36 to be discharged to the outside, and is operated by electric or hydraulic pressure. It can be composed of a general pump. Drainage pipe 36 is a pipe for draining the cooling water supplied to the sealed cover 10, one side is connected to the drain pump 38 and the other side is connected to the settling tank 34 to be described later, drained from the closed cover 10 The cooling water is drained to the settling tank 34. Here, the cooling water drained from the closed cover 10 includes sludge and dust generated while the structure 5 is drilled by the core drill 20.

The sedimentation tank 34 contains the cooling water drained from the closed cover 10, and sludge and dust contained in the cooling water filled in the sedimentation tank 34 are precipitated downward by gravity or the like, and above the sedimentation tank 34. The upper layer is located.

The water purification tank 32 has a space for accommodating the upper water located in the sedimentation tank 34, and has a separate water purification facility, and is configured to purify the upper water with cooling water. In addition, the purified water is supplied to the closed cover 10 again through the water supply pipe 31 connected to the water purification tank 32, thereby reusing and reused the cooling water used once. The connection pipe 33 is connected to the settling tank 34 and the other side is connected to the water purification tank 32, so that the upper water located in the settling tank 34 is moved to the water purification tank 32. And one side or the other side of the connection pipe 33 is provided with a hydraulic pump (not shown) and the like, the upper water located in the settling tank 34 can be easily moved to the water purification tank 32.

Looking at the process of circulating the coolant in the eco-friendly drilling device using the core drill according to the first embodiment of the present invention configured as described above, first, the core drill 20 is operated to drill the concrete structure 5 At the same time, the coolant purified by the purified water tank 32 is supplied to the receiving portion 10a of the sealed cover 10 through the water supply pipe 31. Then, frictional heat generated while drilling the concrete structure 5 is cooled by the coolant supplied to the receiving portion 10a of the airtight cover 10, and the sludge and dust generated by the drilling of the core drill 20 are cooled in the coolant. It is mixed.

And the cooling water supplied to the closed cover 10 is moved to the settling tank 34 through the drain pump 38 and the drain pipe 36. After the cooling water is moved to the settling tank 34, sludge mixed with the cooling water by gravity or the like is settled below the settling tank 34, and the upper water is positioned above the settling tank 34. And the upper water located in the sedimentation tank 34 is moved to the water purification tank 32 by the connecting pipe 33, the water purification tank 32 to the water purification tank 32 through a separate water purification facility (not shown), etc. The purified upper water is purified with cooling water, and then water is supplied back into the airtight cover 10 through the water supply pipe 31. As such, the present invention has the effect of preventing the environmental damage and saving resources by recycling the reused coolant once.

4 is a view schematically showing an eco-friendly cloth mill using a core drill according to a second embodiment of the present invention.

4, the eco-friendly fabric mill using a core drill according to a second embodiment of the present invention is configured to further include a second hydraulic member 50 in the first embodiment. That is, the eco-friendly cloth mill using the core drill according to the second embodiment of the present invention includes a core drill 20, the sealing cover 10, the circulation member 30 and the second hydraulic member 50. Since the core drill 20, the sealing cover 10 and the circulation member 30 are the same configuration as the first embodiment, detailed description thereof will be omitted. The second hydraulic member 50 supplies hydraulic pressure to the drain pump 38 so that the drain pump 38 pumps the coolant contained in the closed cover 10, and the hydraulic part 52 generating the hydraulic pressure. The hydraulic pressure generated is supplied to the drainage pump 38, and the hydraulic supply line 54 includes a hydraulic discharge line 56 for discharging the hydraulic pressure supplied to the drainage pump 38. As described above, the eco-friendly cloth mill using the core drill according to the second exemplary embodiment of the present invention supplies hydraulic pressure to the drain pump 38 so that the drain pump 38 uses hydraulic pressure to cool the water contained in the closed cover 10 using hydraulic pressure. Pump 36.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

10: airtight cover 10a: receiving portion
12: Bit Insertion Part 13: Packing Part
14: water supply 16: drain
18: coupling portion 19: bonding material
20: core drill 22: fixed part
24: motor portion 26: core bit
28: segment 30: circulation member
31: water supply pipe 32: water purification tank
33: connector 34: sedimentation tank
36: drain pipe 38: drain pump
40: first hydraulic member 50: second hydraulic member
52: hydraulic unit 54: hydraulic supply line
56: hydraulic discharge line

Claims (10)

In the eco-friendly drilling device using a core drill for drilling concrete structure,
A core drill comprising a core bit positioned to rotate in the structure and a plurality of segments attached to an end of the core bit; And
An end portion of the core bit is inserted into the receiving portion is provided therein, eco-friendly drilling device using a core drill, characterized in that it comprises a sealing cover in close contact with the structure so that the receiving portion is sealed.
The method of claim 1,
Eco-friendly using a core drill characterized in that it further comprises a circulation member having a water supply pipe for supplying the cooling water to the receiving portion of the closed cover and a drain pipe for draining the cooling water supplied to the receiving portion of the closed cover to the outside Perforation device.
3. The method of claim 2,
The circulation member is:
Further comprising a sedimentation tank containing the cooling water drained from the drain pipe,
Cooling water drained from the drain pipe eco-friendly drilling device using a core drill, characterized in that the sludge or dust generated while the structure is cut.
The method of claim 3, wherein
The circulation member is:
A connection pipe to which the sludge and dust contained in the cooling water contained in the settling tank are precipitated and the upper layer water located at an upper portion thereof is moved; And
The upper water is moved from the connecting pipe is accommodated, and further comprising a water purification tank for purifying the upper water to cool water,
One side of the water supply pipe is connected to the water purification tank, the other side of the water supply pipe is connected to the airtight cover, eco-friendly using a core drill characterized in that the cooling water purified in the water purification water supply to the airtight cover through the water supply pipe Perforation device.
The method of claim 3, wherein
The circulation member is:
A drainage pump is further provided between the sealing cover and the drain pipe, and eco-friendly drilling device using a core drill to pump sludge and dust generated in the sealing cover into the settling tank.
The method of claim 5, wherein
The circulation member is:
Further comprising a hydraulic member for supplying hydraulic pressure to the drain pump,
The hydraulic member includes a hydraulic unit for generating hydraulic pressure, a hydraulic pressure supply line for discharging the hydraulic pressure supplied to the drainage pump, and a hydraulic pressure supply line for supplying the hydraulic pressure generated in the hydraulic unit to the drainage pump. Eco-friendly drilling device using a core drill, characterized in that.
3. The method of claim 2,
A core characterized in that the water supply portion is formed so that the water supply pipe is inserted, the bit inserting portion is formed so that the core bit is inserted, and the drainage portion is formed so that the drain pipe is connected from the upper side of the outer surface of the sealing cover. Eco-friendly drilling device using a drill.
The method of claim 7, wherein
Eco-friendly drilling device using a core drill, characterized in that the packing portion is provided on the inner circumference of the bit insert.
The method of claim 1,
Eco-friendly drilling device using a core drill, characterized in that the epoxy (EPOXY) resin is applied between the outer periphery of the airtight cover and the surface of the structure.
The method of claim 1,
The core drill is an eco-friendly drilling device using a core drill, characterized in that located in the water.

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