• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a sampling device (1) for a drill core comprising a frame (2) intended to position the device on the ground and a guiding member (3), integral with the frame (2), for receiving a drilling tube; the guide member (3) comprising: • an inlet orifice facing an outlet orifice intended to be positioned at ground level (14), the orifices allowing the maintenance of the drill pipe during the sampling of the carrot; • a suction head (6) arranged at the outlet and configured to prevent the emission of coring residue into the environment; • a sampling bag (12) for receiving the drill core, fixed by holding elements at the inlet orifice and the suction head.
    公开号:FR3036130A1
    申请号:FR1554299
    申请日:2015-05-13
    公开日:2016-11-18
    发明作者:Eric Jeay；Patrick Aparisi
    申请人:Maxart；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The present invention relates to the field of coring road pavements. In particular, it relates to drill core sampling devices for analyzing the composition of road surfaces.
    [0002] BACKGROUND OF THE INVENTION In the period 1978 to 1995, asbestos was incorporated into road surfaces, in proportions of the order of 1% of the total mass, to enable the life of roads (from approximately 5 to 10 years old) and reduce maintenance work. These mixes have been used on both urban and off-highway networks, with distribution by network or by heterogeneous region. Today, the need for road asset renewal, combined with changes in the regulatory environment, is placing new demands on project owners and companies in charge of works; in particular, it is imperative to evaluate the presence of dangerous products in the roadways to be renewed, it is forbidden to use asbestos-containing asphalt and it is essential to take into account the necessary protections for the employees working on the sites with road asphalt mixtures (taking into account the risk of inhalation of dust that can reach the pulmonary alveoli and trigger serious pulmonary diseases). U53366185 discloses one of the first coring drills for taking core samples from pavements of concrete or bitumen roads using borehole devices known per se. The core drilling rig is mounted on a base plate about 15mm thick that can oscillate by a hinged lever on the rear portion of a single axle trailer and the front portion of this trailer carries a barrel of water on a base to balance the weight on the axle. According to the embodiment of the coring described in this document, no precaution is taken as to the drilling and sampling of the core and the potential danger of the materials composing the road surface: dust emission, contact with the sample taken . U54887413 relates to a tool 10 for sampling building materials in the case of suspected presence of asbestos fibers. An annular (tubular) cutter is rotated to take a sample from a wall under study. A box-shaped cartridge surrounds the cutting element to trap any asbestos fiber particles that might otherwise escape into the atmosphere. Closure caps can be applied to the cartridge, so that the cartridge can be used to ship (transport) the sample to a laboratory for analysis. This document discloses a device 20 for coring and ejecting a sample into an enclosed container; nevertheless, it is not suitable for coring road pavements which are much more resistant and hard to drill and requires manual action, contact with the container and potential dust generated, for the application of the closure caps. OBJECT OF THE INVENTION It is therefore an object of the invention to provide a device that obviates the disadvantages of the prior art. An object of the invention is in particular a device for the safe drilling and sampling of core samples, taking into account the potential presence of asbestos in the surveyed coatings.
    [0003] BRIEF DESCRIPTION OF THE INVENTION The invention relates to a device for sampling a drill core comprising a frame intended to position the device on the ground and a guiding member integral with the frame for receiving a drill pipe. ; the sampling device is remarkable in that the guiding member comprises: - an inlet orifice facing an outlet orifice intended to be positioned at ground level, the orifices permitting the maintenance of the drilling tube during the removal of the carrot; a suction head arranged at the outlet orifice and configured to prevent the emission of coring residue into the environment; - A sampling bag for receiving the drill core, fixed by holding elements at the inlet port and the suction head.
    [0004] The sampling device according to the invention thus makes it possible to maintain the drill pipe, also called core drill, to suck up the dust and sludge generated by the coring operation and to place the sample or core 25 in a sampling bag. . It allows a secure collection for the environment and for the operators. According to advantageous features of the invention, taken alone or in combination: the chassis comprises a flat base able to be held on the ground by ballasting; this ensures good stability to the device. the guide member comprises a removable mast, substantially perpendicular to the base, for translational guidance of a drilling motor; - The frame and the guide member are hinged together; this feature allows in particular 3036130 4 to improve the portability of the device between uses. - The guide member comprises a locking element of the drill pipe, at the inlet port; 5 - each of the holding elements of the know is constituted by a fitting shaft and a clamping collar; the suction head is formed of a main block provided with a first opening facing the outlet orifice and an upper cover hermetically fixed to the main block via a sealing membrane; - The suction head has an adapter tip adapted to be connected to a suction system; - The sampling device further comprises a suction system and storage of drilling residues, 15 connected to the suction head; - The know is made of a heat-sealable plastic material. The invention also relates to a method of sampling a drill core comprising: a step of extracting the core from the soil via a drill pipe held in a guide member, for placing it directly in a defined closed space; by a knowledge; a step during which a suction head 25 positioned at the borehole sucks generated core residues, to prevent their emission into the environment; - A step of confining the core by hermetically sealing the know.
    [0005] According to advantageous features of the invention, the confinement step comprises: - lifting and locking the drill pipe in the guide member, to position the end of the tube above a level high ; hermetic welding of the lower part of the bag; - the ejection of the core of the drill pipe; hermetic welding of the upper part of the bag to said high level.
    [0006] According to an advantageous characteristic of the invention, the drill core is extracted from a floor covering likely to contain contaminating materials.
    [0007] BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the invention will become apparent from the detailed description of the invention which will be followed with reference to the appended figures, in which: FIG. 1 shows a perspective view of a first embodiment of FIG. realization of the sampling device according to the invention; Figure 2 shows a perspective view from below of a first embodiment of the sampling device according to the invention; Figure 3 shows a side view of a first embodiment of the sampling device according to the invention; Figure 4 shows a side view of a first embodiment of the sampling device according to the invention, in operation, with further a core drill and a conduit connected to the suction system; Figure 5 shows a succession of steps for the containment of the core in the know, according to a sampling method according to the invention; FIG. 6 shows a side view of a second embodiment of the device according to the invention.
    [0008] DETAILED DESCRIPTION OF THE INVENTION FIG. 1 shows a first embodiment of a drill core sampling device 1 according to the invention. The sampling device 1 comprises a frame 2 intended to be positioned on the ground. The chassis will advantageously have a shape allowing a good grounding and good stability of the device, especially in operation when a core drill will be mounted thereon.
    [0009] In FIG. 1, the planar base shape of the frame makes it possible, in particular, for a user to position his feet on the two parts on either side of the main axis of the device in order to ballast the latter and to reinforce its stability. operation. The sampling device 1 according to the first embodiment is particularly suitable for sampling road surface coating to a depth of a few tens of millimeters, for example 80 mm. The sampling device 1 also comprises a guide member 3 integral with the frame, adapted to receive a drill pipe, also called core drill. The guide member 3 comprises an inlet port 4 facing an outlet port 5, the latter being shown in Figure 2 in a view from below. The inlet and outlet ports 5 and 30 are intended to receive the corer for the removal of the drill core. The outlet orifice is therefore intended to be positioned at ground level, at the place of sampling. According to the first embodiment of the sampling device 1 shown in FIGS. 1 and 2, an opening 35 is arranged at the level of the frame 2 opposite the outlet orifice 5, so that the corer can penetrate in the soil to be sampled. According to a variant of this embodiment, the frame 2 has a recessed shape in the center, the obvious being 3036130 7 facing the outlet orifice 5 of the guide member 3. Advantageously, the frame 2 and the guide member 3 are made of metallic material. They may optionally consist of other types of materials, providing adequate strength and rigidity. The guide member 3 also comprises a locking element 10 which allows in particular to maintain the corer in the raised position, after the coring operation, during the confinement steps of the sampled core. The blocking element 10 may advantageously comprise an actuatable lever for moving from a free position to a locked position. The guide member 3 further comprises a suction head 6 arranged at the outlet orifice 5. The suction head 6 is formed of a main block provided with a first opening facing the outlet port 5 and an upper cover hermetically fixed to the main block via a sealing membrane 11. The upper cover is provided with a second opening facing the first opening. In this configuration, the corer will be introduced into the guide member 3 by successively passing through the inlet orifice 4, the second then the first opening of the suction head 6 and finally the outlet orifice 5. The main block of the suction head 6 comprises an adapter tip 7 adapted to be connected to a suction system by means of a duct 13 shown in FIG. 3. The suction head 6, arranged at the point drilling in the ground 14, is thus configured to suck the dust-like residues or sludge during the coring step; this makes it possible to avoid the emission into the environment of coring residue. The suction system is advantageously associated with a drilling waste storage system, compatible with the treatment of hazardous and / or contaminating materials.
    [0010] As shown in FIG. 3, the sampling device 1 also comprises a sampling bag 12 for receiving a drill core. The bag 12 is fixed by holding elements at the inlet port 4, 3036130 8 below the blocking element 10, and at the suction head 6, above the hood superior. The holding elements consist, for example, of a fitting shaft 9 and a clamping collar 8, shown in FIGS. 15 and 2. The clip 12 thus defines a closed space between the inlet orifice 4 and the suction head 6. Advantageously, the bag is made of a heat-sealable plastic material.
    [0011] Figure 4 shows a sampling device 1, implemented according to a sampling method according to the invention. The method of sampling a drill core 21 comprises a step of extracting the core 21, via a corer 15 held in the guide member 3, to place said core 21 in the enclosed space defined by the knowledge. 12, between the inlet port 4 of the guide member 3 and the suction head 6. The extraction step requires the insertion of the corer 15 in the sampling device 1, through the orifices 4 and the outlet 5. The drill pipe 15 thus passes through the sleeve held between the inlet orifice 4 and the suction head 6. The core drill motor 16 can then be connected to the corer 15. The suction system connected via the duct 13 to the suction head is turned on, in order to suck up the coring residues generated at the borehole 17. The coring operation can then start, to a depth 18 that determines the size of the core 21. During coring, cooling water t is injected into the drill pipe 15: the suction head 6 collects at the drilling 17 dust but also sludge or liquids from the coring. The sampling method also comprises a step of confining the core 21 by sealing the seal 12. Figure 5 shows a succession of sequences forming part of the confinement step. When the coring 35 is completed, the motor of the drill core 16 can be detached from the drill pipe 15. The corer 15, containing the core 21, is then raised above a high level 22, corresponding to the level of the subsequent seal The locking element 10 keeps the drill pipe 15 in the raised position. The corer thus positioned, the lower part 20 of the bag 12 is sealed; advantageously, the sealing is carried out with the aid of a heat-sealing clamp 19 for hermetically sealing the plastic material of the bag 12, as shown in FIG. 5 (a). The core 21 is then ejected from the corer 15 and falls directly into the liner 12, the lower portion 20 of which is sealed (FIG. 5 (b)). The upper portion is sealed in turn, high 22, using the heat-seal clamp 19 (Figure 5 (c)). At this stage, the sample 21 is hermetically confined in the bag 12. This is then detached from the sampling device 1 by loosening the holding elements 8, 9. The thus-confined drilling core 21 can be transported and recovered by specialized organizations in the analysis of the composition of this type of sample. With the drilling core sampling device 1 and the sampling method according to the invention, the emission of dust or contaminating sludge is contained during the coring operation due to the presence of the suction head 6; moreover, the sample taken is never in contact with the user and is finally confined in a hermetic bag. Drilling and sampling are thus secure for the environment as well as for operators, taking into account the potential presence of asbestos in the surveyed soils.
    [0012] FIG. 6 shows a second embodiment of a sampling device 1 for a drill core according to the invention. The sampling device 1 comprises a frame 2 intended to be positioned on the ground. The sampling device 1 according to this second embodiment is particularly suitable for sampling road surface coating to a depth of several hundred millimeters, for example 400 mm. The frame 2 advantageously has a shape allowing the ballasting by means of a vehicle: for example, by positioning the front wheel of a truck on a flat part of the frame 2 provided for this purpose. Such a configuration promotes good grounding and good stability of the device, especially in operation when a core drill is mounted thereon. The sampling device 1 also comprises a guide member 3 secured to the frame 2, adapted to receive a drill pipe 15 or corer. In the case of drilling at depths of several tens of centimeters, the coring equipment, also called core drilling, has a weight and bulk that does not allow a user to operate it directly. According to this second embodiment, the guide member 3 thus comprises a removable mast 24 for fixing and guiding the motor of the drill core 26 in translation. The mast is arranged so that the drill pipe 15, screwed on a possible extension 25 and actuated by the motor of the core drill 26 is aligned along the axis (A) shown in Figure 6, axis of alignment of the inlet ports 4 and outlet 5 of the guide member 3.
    [0013] According to the second embodiment, the guide member 3 and the frame 2 are hinged together by means of connecting elements 23. This configuration improves the portability of the sampling device 1, which in the rest position, can be retracted: that is to say that the guiding member 3 passes from a position substantially perpendicular to the flat portion of the frame (in operation) to a position parallel to the flat portion of the frame (out of operation, in storage for example). According to the second embodiment of the sampling device 1, the guiding member 3 consists of the same elements as in the first embodiment, namely, the inlet and outlet orifices 4 and 5, the block 10, the suction head 6, the know 12, arranged and maintained in a similar manner.
    [0014] The drill core sampling device 1 and the method according to the invention are particularly suitable for taking samples of road surfaces 3036130 11 which may contain contaminating materials. They can also be applied to other types of soil, such as pavements for example. 5
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Device for sampling (1) a drill core (21) comprising a frame (2) for positioning the device on the ground (14) and a guiding member (3) integral with the frame (2) for receiving a drill pipe (15); the sampling device (1) being characterized in that the guide member (3) comprises: - an inlet orifice (4) facing an outlet orifice (5) intended to be positioned at ground level (14), the orifices (4, 5) for maintaining the drill pipe (15) during the removal of the core (21); - a suction head (6) arranged at the outlet (5) and configured to prevent the emission in the environment of coring residue; - A sampling bag (12) for receiving the drill core (21), fixed by holding elements (8, 9) at the inlet orifice (4) and the suction head (6). ).
    [0002]
    2. Apparatus for sampling (1) a drill core (21) according to claim 1, wherein the frame (2) comprises a flat base capable of being maintained on the ground by ballasting.
    [0003]
    3. Apparatus for sampling (1) a drill core (21) according to claim 2, wherein the guide member (3) comprises a removable mast (24), substantially perpendicular to the base, for guiding in translation a drilling motor (26).
    [0004]
    4. Device for sampling (1) a drill core (21) according to one of the preceding claims, wherein the frame (2) and the guide member (3) are hinged together. 3036130 13
    [0005]
    5. Device for sampling (1) a drill core (21) according to one of the preceding claims, wherein the guide member (3) comprises a locking element (10) 5 of the drill pipe (15). ) at the inlet (4).
    [0006]
    6. Apparatus for sampling (1) a drill core (21) according to one of the preceding claims, wherein each of the holding elements of the bag (12) consists of a fitting shaft (9). ) and a clamp (8).
    [0007]
    7. Apparatus for sampling (1) a drill core (21) according to one of the preceding claims, wherein the suction head (6) comprises an adapter tip (7) adapted to be connected to a system suction.
    [0008]
    8. Device for sampling (1) a drill core (21) according to one of the preceding claims, comprising a suction system and storage of drilling residues, connected to the suction head.
    [0009]
    The sampling device (1) for a drill core (21) according to one of the preceding claims, wherein the bag (12) is made of a heat-sealable plastic material.
    [0010]
    10. A method of sampling a drill core (21) characterized in that it comprises: - a step of extracting the core (21) from the soil via a drill pipe (15) maintained in an organ guiding (3), to place it directly in a closed space defined by a know (12); a step during which a suction head (6) positioned at the borehole 3036130 14 (17) sucks generated core residues, to prevent their emission into the environment; - A step of confining the core (21) by sealing the seal (12). 5
    [0011]
    The method of sampling a core (21) according to claim 10, wherein the confining step comprises: - raising and locking the drill pipe (15) in the guide member (3). ), for positioning the end of the tube above a high level (22); hermetic welding of the lower part of the bag (12); - ejecting the core (21) of the drill pipe (15); Hermetic welding of the upper part of the bag (12) to said high level (22).
    [0012]
    12. The method of sampling a drill core (21) according to one of claims 10 and 11, wherein the drill core (21) is extracted from a floor covering likely to contain contaminating materials. 25
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    同族专利:
    公开号 | 公开日
    EP3095917B1|2018-01-17|
    FR3036130B1|2017-06-09|
    EP3095917A1|2016-11-23|
    ES2672294T3|2018-06-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2760757A|1953-06-25|1956-08-28|Charles H Donaldson|Coring machine|
    DE2752309A1|1977-11-23|1979-05-31|Lars Ekengren|Pneumatic road drill dust extraction system - has collector hood over working point, connected by ejector to dust separator|
    US4754655A|1987-03-16|1988-07-05|Parker Iii Frank M|Apparatus and method for sampling hazardous material|
    US20030182997A1|2002-03-28|2003-10-02|Williams Scott R.|Apparatus for sampling drill hole cuttings|
    US20110314938A1|2010-06-25|2011-12-29|Gvm, Inc.|Soil sampling machine and method of use|CN111424516A|2020-04-28|2020-07-17|三门鸿喏科技有限公司|Automatic punching vehicle in road construction|DE1258628B|1965-01-07|1968-01-11|Baumaschinen Und Fahrzeugwerk|Road core drilling machine mounted on a single-axle trailer|
    US4887413A|1988-05-26|1989-12-19|Tuckey Jr Robert W|Bulk sampler tool|CN111896295B|2019-05-05|2022-02-22|天津市房屋质量安全鉴定检测中心有限公司|Portable wearable building structure component coring is with sewage collection transfer equipment|
    CN112796294A|2021-01-05|2021-05-14|李平|Road bed gets core and uses sewage collection device|
    法律状态:
    2016-05-19| PLFP| Fee payment|Year of fee payment: 2 |
    2016-11-18| PLSC| Search report ready|Effective date: 20161118 |
    2017-03-22| PLFP| Fee payment|Year of fee payment: 3 |
    2018-08-30| PLFP| Fee payment|Year of fee payment: 4 |
    2019-05-31| PLFP| Fee payment|Year of fee payment: 5 |
    2020-05-26| PLFP| Fee payment|Year of fee payment: 6 |
    2021-05-18| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1554299A|FR3036130B1|2015-05-13|2015-05-13|DEVICE FOR TAKING A DRILLING ROD|FR1554299A| FR3036130B1|2015-05-13|2015-05-13|DEVICE FOR TAKING A DRILLING ROD|
    ES16168837.9T| ES2672294T3|2015-05-13|2016-05-10|Sampling device of a drill witness|
    EP16168837.9A| EP3095917B1|2015-05-13|2016-05-10|Device for sampling a drill core|
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