JP2007032184A - Mobile apparatus for boring soil-gas examination hole - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile apparatus for boring soil gas examination holes and capable of drilling holes for collecting samples for the examination of soil gas even if a location of examination is a covered location without physically applying large physical load on a worker and extremely efficiently drilling holes at a large number of locations. <P>SOLUTION: A column 1d is raised in a carriage 1, and a lifting member 2 to which a hammer drill 5 is mounted is mounted to the column 1d in such a way as to be vertically moved and rotated by the operation of a handle. An engine generator 3 and a powder dust recovery device 4 are mounted to the carriage 1. A cover member 4b is mounted to the tip of a hose 4a of the powder dust recovery device 4. A drill blade 6 for drilling concrete; a bar 7 for drilling soil; and a bar 8 for driving protective pipes are selectively mounted to the hammer drill 5. In the case of drilling holes in concrete, holes are drilled with collecting generated power dust in the powder dust collection device 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a mobile apparatus for installing a drilling hole for covering and bare ground and a protective pipe for collecting soil gas prior to collecting soil gas for the purpose of investigation.

  In recent years, environmental pollution has become a major social problem. Regarding soil pollution, various heavy metals and volatile organic compounds contained in soil have been investigated based on the Soil Contamination Countermeasures Law. When investigating soil gas, it is stipulated that the gas used as a sample is taken by drilling the surface layer soil of the target site. For this reason, when the target site is bare, drilling is done with a soil drilling bar (boring bar), and an operator inserts a protective tube there, but it is covered with concrete or asphalt pavement. In the case of the ground, before drilling the soil with a soil drilling bar (boring bar), the concrete or asphalt was first drilled with a hammer drill using a dedicated drill blade.

  However, in the past, when drilling concrete or asphalt with a hammer drill, the hammer drill was held in hand and the drill blade was pulled out manually, which puts a very heavy burden on the shoulder and waist of the operator. There was a problem. Also, depending on the location, there was a case where a power source had to be prepared specially. In addition, when drilling floor concrete such as in a factory where the operation is performed, dust generated by drilling becomes a problem, and thus it is necessary to prepare a dust collection device. In addition, when the protective tube was installed last, the operator had inserted up to 50 cm below the surface of the earth, so it was not easy to carry out particularly in the case of covered land. Moreover, in this way, there are many physical burdens on the operator, and it is necessary to individually cope with various conditions at the survey point. There was a problem of inefficiency.

  The present invention has been made in order to solve such problems. The object of the present invention is to collect a sample for soil gas survey, even if the survey point is covered. Even if it is a ground, a place like a factory, or outdoors, it can be drilled suitably without placing a heavy physical burden on the worker, and the survey target area is wide, The purpose is to provide a mobile soil gas survey hole preparation device capable of very efficiently drilling holes at many points.

  In order to achieve the above-mentioned object, the mobile soil gas survey hole making apparatus of the present invention comprises a bogie, a hammer drill for drilling a covering ground such as concrete, stone, and asphalt and a bare ground, and a drilling hole for the covering ground. The hammer drill includes a dust collection device that sucks and collects dust to prevent dust from being generated at times, and the hammer drill and an engine generator for operating the dust collection device. Is capable of selectively attaching at least the hole drilling part, the soil hole drilling part, and the soil gas collecting protective pipe installation part. Further, the carriage is provided with a hand pushing portion used at the time of movement, a wheel stopper used at the time of operation, and an installation column for attaching the hammer drill so as to be movable up and down.

  Since the mobile soil gas survey hole making device of the present invention is equipped with a hammer drill, a dust collection device, and an engine generator on the carriage, even if the area of the survey target area is large, the movement is not possible. It is easy to perform, and even when the survey site is outdoors, there is no need to worry about securing the power source, and drilling at many points can be performed efficiently. Even if the survey point is covered with concrete, stone, asphalt or the like, there is almost no physical burden because the operator does not have to hold the hammer drill in his hand. In addition, if a dust collection device is operated for drilling holes in the ground, there will be no dust around, and even if a sample is taken afterwards, fine dust may be contained in the sample. Therefore, it is possible to shorten the time until a proper sample is collected.

  The mobile soil gas survey hole making device of the present invention prevents the scattering of dust generated during drilling of a covered ground such as concrete, stone, asphalt, etc., and a hammer drill for drilling bare ground. It is equipped with a dust collection device that sucks and collects dust and an engine generator for operating the hammer drill and the dust collection device, making it easy to move between the survey points, In the case of bare ground, perform the work by sequentially replacing the parts for soil drilling and the parts for installing the protective pipe for collecting soil gas with a hammer drill. The hole drilling part of the coating ground is attached to the hammer drill so that the hole can be drilled while the dust collecting device is operating. Therefore, an embodiment of such a mobile soil gas survey hole producing apparatus will be described with reference to FIG.

  First, the configuration of this embodiment will be described. The carriage 1 has a hand pushing portion 1a and four wheels 1b, and at least two of the wheels 1b are provided with wheel stoppers 1c. In the case of the present embodiment, the cart 1 can be moved only by manually pushing and pulling the hand pushing portion 1a. However, the cart 1 has an engine generator 3 to be described later. Since it is mounted, the wheel 1b can be rotated also by a motor, and the operation switch may be provided in the hand pushing portion 1a. Further, a pillar 1d is erected on the main body of the carriage 1, and a lifting member 2 is attached to the pillar 1d so as to be movable up and down. The lifting member 2 is rotated with respect to the pillar 1d. Is also possible. Although not shown, in the case of the present embodiment, the elevating member 2 can be moved up and down and rotated by a handle operation. However, it may be an electric type by a switch operation.

  In addition, an engine generator 3 and a dust collection device 4 are stacked on the main body of the carriage 1. The engine generator 3 is placed on the main body, and the dust collection device 4 is placed on the engine generator 3. Each of them is separably attached so as to be able to withstand vibrations in the drilling holes. The dust collecting device 4 has a cover member 4b shaped like a flower pot turned down at the tip of the hose 4a, and is electrically connected to the engine generator 3 by wiring 3a. The cover member 4b The dust can be sucked in and collected and stored. In addition, a hammer drill 5 that can be switched between rotation and striking is detachably attached to the elevating member 2, and is electrically connected to the engine generator 3 by wiring 3b. In the case of this embodiment, the hammer drill 5 is selected by attaching at least a drilling hole 6 for drilling holes such as concrete or asphalt, a bar 7 for soil drilling, and a bar 8 for driving a protective tube. Is possible.

  Next, a description will be given of the case of actually making a survey hole. However, as already explained, the survey hole producing apparatus of the present invention is an apparatus that can drill a covered ground or a bare ground. However, when drilling the covered ground, after drilling the covering concrete or the like, the same operation as drilling the bare ground is performed. Therefore, in the following, in order to avoid duplication, only the case where a survey hole is produced at a point covered with concrete will be described.

  First, the wheel stopper 1 c is operated to fix the carriage 1 in the vicinity of the drilling point, and the concrete drilling blade 6 is attached to the hammer drill 5. Further, the hose 4a of the dust collecting device 4 is extended, and the cover member 4b is placed on the drilling point with the flower pot lying down. Then, by moving the lifting member 2 up and down and rotating, the tip of the drilling drill blade 6 is inserted into the hole provided in the cover member 4b from above. After this, the dust collecting device 4 is operated on the one hand, the drill bit 6 for drilling is rotated by the hammer drill 5 on the other hand, and the hammer drill 5 is gradually lowered by the handle operation. Drill holes in concrete. At this time, dust is scattered from the concrete, but they are sucked into the hose 4 a and stored in the dust collecting device 4. After drilling, the hammer drill 5 is lifted while rotating the drilling drill blade 6 in the reverse direction, and the drilling drill blade 6 is pulled out above the cover member 4b. After a while, in order to stop the operation of the dust collection device 4 and remove the cover member 4, most of the dust, including the fine particles that are floating, is accommodated in the dust collection device 4. become.

  Therefore, next, the drilling drill blade 6 is removed from the hammer drill 5, and a soil drilling bar 7 is attached instead, and its tip is lowered to the ground surface. Then, after inserting the bar to a depth of 1 m by the handle operation and the hammering force of the hammer drill 5, the operation of the hammer drill 5 is stopped and raised, and the soil drilling bar 7 is pulled out. Next, the soil drilling bar 7 is removed from the hammer drill 5, and a protective tube driving bar 8 is attached instead, and a stainless protective tube is inserted to a depth of 50 cm by operating the handle and the hammering force of the hammer drill 5. Thereafter, the operation of the hammer drill 5 is stopped and raised, and the protection tube driving bar 8 is pulled out, whereby the production of the investigation hole at that point is completed.

  In this way, when the preparation of the survey hole at one place is completed, it moves to the next survey hole preparation point. In this case, the drill hole 6 for concrete drilling and the bar for soil drilling are used. 7 is put on the carriage 1 and the rotation stopper by the wheel stopper 1c is released. Even when the protective tube driving bar 8 is still attached to the hammer drill 5, it is quickly and easily pushed by pushing the hand pushing portion 1a. Can move. Therefore, in particular, when performing a large number of drilling operations in a wide range of outdoor areas, it is possible to perform extremely efficiently, and it is possible to reduce the manpower and labor involved in the operation as compared with the prior art.

  In the present embodiment, the description has been given of the case where the concrete drilling blade 6, the soil drilling bar 7, and the protective tube driving bar 8 are selectively attached to the hammer drill 5. In addition to this, it goes without saying that other than these, for example, a drill hole for drilling stone material may be attached.

It is the figure which showed the schematic structure of the Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bogie 1a Hand pushing part 1b Wheel 1c Wheel stopper 1d Pillar 2 Lifting member 3 Engine generator 3a, 3b Wiring 4 Dust collection device 4a Hose 4b Cover member 5 Hammer drill 6 Drilling hole for drilling 7 Bar for soil drilling 8 Protective tube Driving bar

Claims (2)

  Hammer drill for drilling holes in concrete, stone, asphalt, etc. on ground and bare ground, and dust recovery by sucking and collecting the dust to prevent dust scattering when drilling in the ground An apparatus and an engine generator for operating the hammer drill and the dust collecting device, the hammer drill includes at least a drilling part for the covered ground, a soil drilling part, A mobile soil gas survey hole producing device characterized in that it can be selectively attached to a part for installing a protective tube for collecting soil gas.   The mobile type according to claim 1, wherein the carriage is provided with a hand pushing portion used at the time of movement, a wheel stopper used at the time of work, and an installation column for attaching the hammer drill so as to be movable up and down. Soil gas survey hole making device.