CN114034507A - Full-section arbitrary depth quantitative sampler and sampling method - Google Patents
Full-section arbitrary depth quantitative sampler and sampling method Download PDFInfo
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- CN114034507A CN114034507A CN202111328934.4A CN202111328934A CN114034507A CN 114034507 A CN114034507 A CN 114034507A CN 202111328934 A CN202111328934 A CN 202111328934A CN 114034507 A CN114034507 A CN 114034507A
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- 238000005070 sampling Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 96
- 238000007599 discharging Methods 0.000 claims abstract description 44
- 238000012545 processing Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a full-section arbitrary depth quantitative sampler and a sampling method, wherein in the quantitative sampler, the side wall of a sampling cylinder is provided with at least one window for collecting samples; the unloading head is arranged at the bottom of the sampling cylinder in an openable and closable manner; the first actuating piece is arranged in the sampling cylinder and extends approximately parallel to the central axis of the sampling cylinder, and the first actuating piece is actuated to open and close the discharging head; the second actuator is arranged in the sampling cylinder and extends approximately parallel to the central axis of the sampling cylinder, a baffle plate with a shape matched with that of the window is arranged at the bottom end of the second actuator, and the window is closed and opened by the baffle plate through the movement of the second actuator. The quantitative sampler can sample the whole section at any depth without damaging the original granularity of the material.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a full-section arbitrary depth quantitative sampler and a sampling method.
Background
At present, deep samplers used for mechanical sampling of bulk solid minerals such as coal, iron ore and the like include an internal screw auger type and an external screw claw type. The internal spiral drilling type high-speed rotating spiral drill bit can perform indiscriminate crushing on large-particle-size coal samples, gangue or ores, however, some test items, such as particle size screening, crushing strength, mechanical strength, falling strength, compressive strength and the like, cannot damage the original particle size of the samples when sampling is required. In addition, the auger bit rotating at high speed can damage the bottom of the carriage, and for safety, the real full-section arbitrary depth sampling is difficult to realize in practical application. The above problems are solved by a new type of spiral sampler, CN201510181209.7 spiral sampler, such as the disclosed patent CN 201620845384.1.
The existing external spiral claw type sampling head has the advantages that conical claw sheets forming the sampling head rotate in a closed state to enter material layers (such as coal beds and iron ore layers), after the sampling head reaches a certain depth, the head claw sheets are forcibly opened in the material layers by a driving mechanism, the sampling head continues to move downwards, materials enter a sampling cylinder, and after a certain amount of materials are collected, the claw sheets are forcibly closed in the material layers through the driving mechanism, and sampling is completed. In the process, the original granularity of the material cannot be excessively damaged, but the conical claw piece needs to overcome the strong resistance of the material to the claw piece in the material layer twice in sequence to complete the opening and closing action, and the resistance of the material needs to be resisted to move to the deep layer, so that the reliability and the service life of the equipment are greatly influenced. In the past, the claw sheet is easy to deform or damage, cannot be closed, and is difficult to realize material collection. The above problems are present in the sampler manipulator device and the sampler disclosed in CN201210181342.9, and in the sampling device and the sampling head disclosed in CN 201710651181.8.
In summary, how to effectively overcome the problems in the prior art to realize real full-section arbitrary depth sampling without damaging the original particle size of the material is urgent to be solved by the technical personnel in the field.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a full-section arbitrary depth quantitative sampler and a sampling method, which can sample the full-section arbitrary depth without destroying the original granularity of materials, and in order to realize the purpose, the invention provides the following technical scheme:
a quantitative sampler of the present invention includes:
the side wall of the sampling cylinder is provided with at least one window for collecting a sample;
the unloading head is arranged at the bottom of the sampling cylinder in an openable and closable manner;
a first actuating member disposed within the cartridge and extending generally parallel to a central axis of the cartridge, the first actuating member being actuated to open and close the discharge head;
and the second actuating piece is arranged in the sampling cartridge and extends approximately parallel to the central axis of the sampling cartridge, the bottom end of the second actuating piece is provided with a baffle plate which is matched with the window in shape, and the window is closed and opened by the baffle plate through the movement of the second actuating piece.
In the quantitative sampler, a plurality of bucket teeth are arranged on the side wall of the sampling cylinder and/or the lower edge of the window.
In the quantitative sampler, the plurality of bucket teeth are arranged in an array mode, the bucket teeth and the window form a certain angle, and/or the bucket teeth and the side wall form a certain angle.
In the quantitative sampler, the bucket teeth are detachably connected with the side wall and/or the window.
In the quantitative sampler, the windows are symmetrically distributed on the side wall, the number of the second actuating pieces and/or the number of the baffle plates is equal to that of the windows, and the outer surface of the baffle plate facing the windows is matched with the shape and size of the windows.
The baffle is detachably mounted at the bottom end of the second actuating element, the overall structure function of the sampler is not affected by the presence or absence of the baffle, the side surface of the baffle is in a chamfered shape, and the baffle is gradually sharp from the position close to the second actuating element to the position far away from the second actuating element.
In the quantitative sampler, the unloading head comprises a plurality of unloading pieces which can be opened and closed, the unloading pieces are hinged with the sampling cylinder, and the outer surfaces of the unloading pieces are provided with cutting pieces used for assisting the sampler to go deep into a material pile.
In the quantitative sampler, the first actuating part is provided with a material pushing plate which is approximately vertical to the central axis, the material pushing plate is hinged to one or more movable connecting rods towards the bottom surface of the discharging head, the other end of each movable connecting rod is connected with the discharging piece, and the first actuating part actuates the discharging piece to open and close through the movable connecting rods.
In the quantitative sampler, the sampling cylinder, the first actuating part and the second actuating part are respectively driven by a motor, a hydraulic pump or a cylinder, and the motor, the hydraulic pump or the cylinder are respectively controlled by the processing unit, wherein when the sampling cylinder drills downwards into a material layer, the first actuating part keeps the discharging head closed, the second actuating part keeps the window closed, when the sampling cylinder is lifted from the material layer, the second actuating part moves to enable the baffle to open the window, when the sampling cylinder leaves the material layer, the second actuating part moves to enable the baffle to close the window, and the first actuating part actuates the discharging head to open.
The sampling method based on the quantitative sampler comprises the following steps,
the discharging head and the window are closed, the sampling cylinder is drilled into the material layer,
the discharging head enters a specified sampling depth of the material layer, the second actuating piece moves to enable the baffle to open the window,
the sampling cylinder is lifted from the material layer, the material falls into the discharging head from the window, when the sampling cylinder leaves the material layer, the second actuating piece moves to enable the baffle plate to close the window, the window is always in an open state when no baffle plate is installed,
when the sampling cylinder reaches the discharging area, the first actuating piece actuates the discharging head to be opened.
In the technical scheme, the full-section arbitrary depth quantitative sampler and the sampling method provided by the invention have the following beneficial effects: compared with the prior art, the deep sampling mode adopts the material to fall into the sampling cylinder from the window of the side wall of the sampling cylinder, and the damage of the original internal spiral sampling mode to the material is completely avoided. The unloading head at the front end of the sampling cylinder is structurally identical to the existing external spiral claw type sampling claw, but is always kept in a closed state in the sampling process and is not opened in a material layer, so that the stability and the reliability of the device are obviously improved. The material enters the discharging head from the side wall window of the sampling cylinder, so that the sampling at any depth is realized while the granularity of the material is not damaged in the true sense, the quality of the collected material is controlled within a certain range by the inner cylinder volume of the discharging head and the height of the window, the quantitative sampling is realized, and the sampling precision is obviously improved by controlling the opening and closing of the discharging head and the window through the actuation of the first actuating piece and the second actuating piece.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a quantitative sampler according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a quantitative sampler according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first actuating member of a quantitative sampler according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating a combination of two angles of a second actuator of a quantitative sampler according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the opening of the discharge head of a quantitative sampler provided with a window according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the opening of the discharge head of a quantitative sampler provided with a pair of windows according to an embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of a sampling cylinder of a quantitative sampler according to an embodiment of the present invention.
Fig. 8a to 8d are schematic diagrams of sampling processes of a sampling method of a quantitative sampler according to an embodiment of the present invention.
The reference signs are:
the sampling cylinder 1, the discharging head 2, the first actuating piece 3, the second actuating piece 4, the window 5, the bucket teeth 6, the reinforcing ribs 11, the blanking sheet 21, the material pushing plate 31, the movable connecting rod 32, the notch 33 and the baffle 41.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-7, in one embodiment, a quantitative sampler of the present invention comprises a cartridge 1 having a side wall provided with at least one window 5 for collecting a sample;
the unloading head 2 is arranged at the bottom of the sampling cylinder 1 in an openable and closable manner;
a first actuating member 3 provided in said cartridge 1 and extending substantially parallel to the central axis of said cartridge 1, said first actuating member 3 being actuated to open and close said discharge head 2;
a second actuator 4 arranged in said cartridge 1 and extending substantially parallel to the central axis of said cartridge 1, the bottom end of said second actuator 4 being provided with a shutter 41 shaped to fit a window 5, said window 5 being closed and opened by said shutter 41 via the movement of said second actuator 4.
In the preferred embodiment of the quantitative sampler, a plurality of teeth 6 are arranged on the side wall of the sampling cylinder 1 and/or on the lower edge of the window 5.
In the preferred embodiment of the quantitative sampler, the plurality of teeth 6 are arranged in an array, the teeth 6 form an angle with the window 5, and/or the teeth 6 form an angle with the side wall.
In the preferred embodiment of the quantitative sampler, the teeth 6 are detachably connected with the side wall and/or the window 5.
In the preferred embodiment of the quantitative sampler, the windows 5 are symmetrically distributed on the side wall, the number of the second actuators 4 and/or the baffles 41 is equal to the number of the windows 5, and the outer surface of the baffle 41 facing the windows 5 is matched with the shape and size of the windows 5.
The baffle plate 41 is detachably mounted at the bottom end of the second actuator 4, the overall structure function of the sampler is not affected by the presence or absence of the baffle plate 41, the side surface of the baffle plate 41 is chamfered, and gradually becomes sharp from the position close to the second actuator 4 to the position far away from the second actuator 4.
In the preferred embodiment of the quantitative sampler, the discharging head 2 comprises a plurality of discharging sheets which can be opened and closed, the discharging sheets are hinged with the sampling cylinder 1, and the outer surfaces of the discharging sheets are provided with cutting sheets 21 for assisting the sampler to penetrate into a material pile.
In the preferred embodiment of the quantitative sampler as shown in fig. 3, the first actuating member 3 is provided with a material pushing plate 31 substantially perpendicular to the central axis, the material pushing plate 31 is hinged to a plurality of movable connecting rods 32 towards the bottom surface of the discharge head 2, the other ends of the movable connecting rods 32 are connected to the discharge sheet, and the first actuating member 3 actuates the discharge sheet to open and close via the movable connecting rods 32.
In the preferred embodiment of the quantitative sampler, the sampling cartridge 1, the first actuating member 3 and the second actuating member 4 are respectively driven by a motor, a hydraulic pump or a cylinder, which are respectively controlled by a processing unit, wherein when the sampling cartridge 1 drills down into a material layer, the first actuating member 3 keeps the discharge head 2 closed, the second actuating member 4 keeps the window 5 closed, when the sampling cartridge 1 is lifted from the material layer, the second actuating member 4 is moved to make the baffle 41 open the window 5, when the sampling cartridge 1 is lifted from the material layer, the second actuating member 4 is moved to make the baffle 41 close the window 5, and the first actuating member 3 actuates the discharge head 2 to open.
In one embodiment, the quantitative sampler is a full-section arbitrary depth quantitative sampler, the quantitative sampler comprises a sampling cylinder 1, a discharging head 2, a first actuating part 3 and a second actuating part 4 which are arranged in the sampling cylinder, the first actuating part 3 and the second actuating part 4 are respectively in transmission connection with a sampling driving mechanism, the discharging head is hinged with the sampling cylinder, a window 5 is arranged on one side wall of the sampling cylinder 1 close to the discharging head, as shown in fig. 4, the shape of the tail part of the second actuating part 4 is matched with the shape of the window, the window can be completely closed when the second actuating part moves downwards, and the window can be completely opened when the second actuating part moves upwards.
In one embodiment, the first actuator 3 is arranged in the middle of the interior of the cartridge, the second actuator 4 is arranged adjacent to the inner wall of the cartridge on the side where the window is open, and the second actuator 4 is moved upwards to open the window and is moved downwards to close the window 5.
In one embodiment, the first actuator 3 is a first moving rod and the second actuator 4 is a second moving rod.
In one embodiment, the discharge head is a head that is opened only during discharge, and the head is closed during the entire sampling process, which is the discharge head, and not the sampling head. The shape and position of the sampling head are basically similar to those of the sampling head in the prior art, but the function of the sampling head is different.
In one embodiment, the number of the windows 5 may be 1, or two, which are symmetrical front to back, the size of the window satisfies 3 times of the maximum nominal particle size of the collected sample, and the number of the corresponding second actuators 4 may be 1 or two.
In one embodiment, the trailing end of the first actuator 3 is provided with a stripper plate 31 that can move up and down with the first actuator.
In one embodiment, the material pushing plate 31 and the first actuating member 3 may be fixed by welding, locking, or the like, or may be integrally formed; the shape of the material pushing plate is matched with that of the inner wall of the sampling cylinder, the material pushing plate 31 is used for pushing out sticky materials from the sampling cylinder through moving up and down, and the material pushing plate has the function of cleaning the inner wall of the sampling cylinder.
In one embodiment, a movable connecting rod 32 is arranged between the bottom of the material pushing plate 31 facing the discharge head and each discharge piece of the discharge head, one end of each movable connecting rod is movably connected with the bottom of the material pushing plate 31 on the first actuating part, and the other end of each movable connecting rod is fixedly connected with the inner part of the corresponding discharge piece.
In one embodiment, the number of the discharging pieces can be two or more, the number of the movable connecting rods is equal to that of the discharging pieces, and the movable connecting rods correspond to the discharging pieces one by one; when the first actuating part 3 moves downwards, the discharging piece can be opened outwards under the pushing of the movable connecting rod, and when the first actuating part 3 moves upwards, the movable connecting rod pulls the discharging piece to be closed; the movable connecting rod and the discharging piece can be connected in a welding fixing mode, a screw fixing mode or a movable connecting mode.
In one embodiment, the tail of the second actuating element 4 is provided with a baffle 41 of a window, one side of the baffle 41 facing the window is matched with the shape and size of the window, and two sides of the baffle of the window are chamfered and gradually sharp from the position close to the second actuating element to the position far away from the second actuating element; the number of the second actuators 4 corresponds to the number of the windows one by one.
In one embodiment, the window shutter 41 and the second actuator can be connected by welding, screwing, or by movable connection or integral molding, but they are always kept relatively fixed and move upward or downward simultaneously; the two sides of the window baffle 41 are in a bevel shape, so that when the second actuating part moves downwards after the sample is collected, the tail structure can smoothly penetrate through the material sample collected in the sampling cylinder to reduce the resistance of the material in the sampling cylinder to the second actuating part to the maximum extent, the function of closing the window is completed, and the load of the sampling driving mechanism can also be reduced to the maximum extent.
In one embodiment, to prevent the material pushing plate 31 from colliding with the window blocking plate 41 during the up-and-down movement, a notch 33 is formed on the material pushing plate 31 at a side close to the window blocking plate 41 to facilitate the normal passage of the window blocking plate 41.
In one embodiment, the shape of the notch 33 reserved by the material pushing plate is matched with the shape of the vertical plane of the top end of the window baffle, and when the top end of the window baffle is overlapped with the notch 33 of the material pushing plate, the shape of the section of the sampling cylinder is just combined; the design aims to clean the inner wall of the sampling cylinder as completely as possible; however, in order to prevent the parts from being deformed to cause collision or jamming between the material pushing plate and the window baffle, a certain safety distance is reserved between the material pushing plate and the window baffle on the horizontal plane.
In one embodiment, the sampler itself enters the coal seam and the drive means for the first and second actuators 3, 4 may be driven by an electric motor, hydraulic pump or pneumatic cylinder.
In one embodiment, a plurality of bucket teeth 6 are arranged side by side on the outer wall of the sampling cylinder and the lower edge of the window.
In one embodiment, the teeth 6 may be of a uniform size and shape, with the teeth 6 being angled with respect to the window. The main functions of the bucket tooth 6 are three: when the sampler drills a material layer, the window is in a closed state, and the direction pointed by the tooth tip of the bucket tooth 6 is opposite to the downward drilling direction, so that the material cannot form obvious resistance on the bucket tooth 6, and the normal downward drilling of the sampler is not influenced; when the sampler lifts the material layer upwards, the window is in an open state, and the direction pointed by the tooth tip of the bucket tooth 6 is consistent with the lifting direction, so that the material forms resistance on the bucket tooth 6, and the material blocking the bucket tooth 6 from lifting is extruded by the bucket tooth 6 to enter the window and fall into the discharging head to finish sampling; the bucket teeth 6 can prevent large materials from being pushed away, and mining leakage is avoided.
In one embodiment, the connection mode of the bucket tooth 6 and the sampling cylinder wall can be fixed or detachable, the bucket tooth 6 can reduce resistance when drilling in a material layer, and the extrusion contact area of the material when lifting in the coal layer can be increased.
In one embodiment, as shown in fig. 7, a plurality of reinforcing ribs 11 are arranged on the inner wall of the sampling cylinder 1 to enhance the strength of the wall of the sampling cylinder and prevent deformation; the material discharging head is symmetrically provided with a plurality of high-strength material cutting sheets, the material cutting sheets are vertically arranged on the outer side of the material discharging head, the head of each material cutting sheet is in a sharp shape, and the material discharging head is assisted to quickly go deep into a material layer.
The sampling method based on the quantitative sampler comprises the following steps,
the discharging head 2 and the window 5 are closed, the sampling cylinder 1 is drilled into the material layer,
when the discharge head 2 enters a specified sampling depth of the material layer, the second actuating piece 4 moves to enable the baffle 41 to open the window 5,
the sampling cylinder 1 is lifted from the material layer, the material falls into the discharging head 2 from the window 5, when the sampling cylinder 1 leaves the material layer, the second actuating piece 4 moves to enable the baffle plate 41 to close the window 5, the window is always in an opening state when no baffle plate is installed,
when the sampling tube 1 reaches the discharging area, the first actuating piece 3 actuates the discharging head 2 to be opened.
In a preferred embodiment, as shown in fig. 8, the sampling method is as follows:
the method comprises the following steps: the unloading head 2 is closed, all windows are closed, and the sampler is driven by the driving mechanism to drill into the material layer with strong force;
step two: when the unloading head of the sampler enters a specified sampling depth, all the window baffles 41 are driven by the driving mechanism to move upwards to open the window;
step three: the driving mechanism drives the sampler to slowly lift the material layer upwards;
step four: the material falls into the discharging head from the window under the action of the gravity of the material and a surrounding disturbance force field; the bucket teeth are used for assisting in extruding materials into the discharging head; the bucket teeth are beneficial to improving the probability of the material with higher viscosity or larger granularity entering the discharging head;
preferably, during sampling, the sampler must enter the material layer from the unloading head to the upper edge of the window, the material can only fill the volume of the inner cylinder at most at the height of the whole unloading head and the window, and the collected sample is loaded by the unloading head when no baffle is installed, so that the quality of the collected material is always controlled within a certain range, and quantitative sampling is realized.
Step five: when the sampler leaves the material layer, all the window baffles 41 are driven by the driving mechanism to move downwards to close the window, and the window is always in an open state when no baffle is installed;
step six: the sampler which finishes sampling is transferred to the upper part of a designated unloading area under the driving of the driving mechanism, the first actuating part 3 moves downwards under the driving of the driving mechanism, the unloading piece is opened outwards from the inside by the movable connecting rod 32, and the collected sample falls into the unloading area from the unloading head;
step seven: the first actuating part 3 drives the material pushing plate 31 to move downwards while moving downwards, and the residual adhered materials on the inner wall of the sampling cylinder are cleaned while pushing the materials out.
The above steps are repeated in cycles, and the next sample is collected continuously.
Finally, it should be noted that: the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A quantitative sampler, characterized in that it comprises:
the side wall of the sampling cylinder is provided with at least one window for collecting a sample;
the unloading head is arranged at the bottom of the sampling cylinder in an openable and closable manner;
a first actuating member disposed within the cartridge and extending generally parallel to a central axis of the cartridge, the first actuating member being actuated to open and close the discharge head;
and the second actuating piece is arranged in the sampling cartridge and extends approximately parallel to the central axis of the sampling cartridge, the bottom end of the second actuating piece is provided with a baffle plate which is matched with the window in shape, and the window is closed and opened by the baffle plate through the movement of the second actuating piece.
2. A quantitative sampler as claimed in claim 1 wherein a plurality of teeth are provided on the side wall of the cartridge and/or on the lower edge of the window.
3. The quantitative sampler of claim 2, wherein the plurality of teeth are arranged in an array, the teeth are angled with respect to the window, and/or the teeth are angled with respect to the sidewall.
4. The quantitative sampler of claim 3, wherein the tooth is removably attached to the sidewall and/or the window.
5. The quantitative sampler of claim 1, wherein a plurality of said windows are symmetrically distributed on said side wall, the number of said second actuators and/or said baffles is equal to the number of said windows, and the outer surface of said baffles facing said windows is adapted to the size of said windows.
6. The quantitative sampler of claim 6, wherein the baffle is detachably mounted at the bottom end of the second actuator, the baffle is mounted or not without affecting the overall structural function of the sampler, and the side surface of the baffle is chamfered and becomes sharp from a position close to the second actuator to a position far away from the second actuator.
7. The quantitative sampler of claim 1, wherein the discharge head comprises a plurality of discharge pieces which can be opened and closed, the plurality of discharge pieces are hinged with the sampling cylinder, and the outer surface of the discharge pieces is provided with a cutting piece for assisting the sampler to penetrate into the material pile.
8. The quantitative sampler of claim 7, wherein the first actuating member is provided with a material pushing plate substantially perpendicular to the central axis, the material pushing plate is hinged to one or more movable connecting rods towards the bottom surface of the discharge head, the other ends of the movable connecting rods are connected with the discharge sheet, and the first actuating member actuates the discharge sheet to open or close through the movable connecting rods.
9. A dosper according to claim 1, wherein the cartridge, the first actuator and the second actuator are each driven by a motor, a hydraulic pump or a cylinder, which are each controlled by the processing unit, wherein the first actuator keeps the discharge head closed when the cartridge is lowered into a material layer and the second actuator keeps the window closed, wherein the second actuator is displaced when the cartridge is lifted from the material layer so that the shutter opens the window, and wherein the second actuator is displaced when the cartridge is removed from the material layer so that the shutter closes the window, the first actuator actuating the discharge head open.
10. The sampling method of the quantitative sampler according to any one of claims 1 to 9, comprising the steps of,
the discharging head and the window are closed, the sampling cylinder is drilled into the material layer,
the discharging head enters a specified sampling depth of the material layer, the second actuating piece moves to enable the baffle to open the window,
the sampling cylinder is lifted from the material layer, the material falls into the discharging head from the window, when the sampling cylinder leaves the material layer, the second actuating piece moves to enable the baffle plate to close the window, the window is always in an open state when no baffle plate is installed,
when the sampling cylinder reaches the discharging area, the first actuating piece actuates the discharging head to be opened.
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| CN202111328934.4A CN114034507A (en) | 2021-11-10 | 2021-11-10 | Full-section arbitrary depth quantitative sampler and sampling method |
| PCT/CN2021/131473 WO2023082302A1 (en) | 2021-11-10 | 2021-11-18 | Full-face arbitrary depth quantitative sampler and sampling method |
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| CN202111328934.4A CN114034507A (en) | 2021-11-10 | 2021-11-10 | Full-section arbitrary depth quantitative sampler and sampling method |
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| WO (1) | WO2023082302A1 (en) |
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| CN116337515B (en) * | 2023-05-26 | 2023-08-04 | 中材克普(北京)生态环境有限公司 | Monitoring sampling device for solid waste in soil |
| CN116718417B (en) * | 2023-08-09 | 2023-10-31 | 南京海关工业产品检测中心 | Solid bulk sampling positioning rod capable of being automatically folded |
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| WO2023082302A1 (en) | 2023-05-19 |
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Application publication date: 20220211 |