CN110561524B - Sediment extraction pipe sectioning equipment and sectioning method - Google Patents
Sediment extraction pipe sectioning equipment and sectioning method Download PDFInfo
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- CN110561524B CN110561524B CN201910865833.7A CN201910865833A CN110561524B CN 110561524 B CN110561524 B CN 110561524B CN 201910865833 A CN201910865833 A CN 201910865833A CN 110561524 B CN110561524 B CN 110561524B
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- 238000000605 extraction Methods 0.000 title claims abstract description 173
- 239000013049 sediment Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 183
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 238000011160 research Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
- B26D1/18—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/001—Cutting tubes longitudinally
-
- 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
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a sediment extraction pipe cutting device and a cutting method, wherein the cutting device comprises a cutting unit and a linear driving unit, the linear driving unit can drive the cutting unit to axially move along an extraction pipe to be cut, the cutting unit comprises a gate-shaped frame, the linear driving unit is in driving connection with the gate-shaped frame, two cutting assemblies are arranged on the gate-shaped frame and symmetrically arranged on two sides of a central axis of the extraction pipe, the cutting assemblies comprise an electric cutting saw blade which firstly contacts the extraction pipe and a cutter which later contacts the extraction pipe, the cutting edge part of the electric cutting saw blade of the two cutting assemblies is larger than the inner diameter of the extraction pipe and smaller than the outer diameter of the extraction pipe, the cutting edge part of the electric cutting saw blade is arranged smaller than the inner diameter of the extraction pipe, and the cutting edge parts of the electric cutting saw blade and the cutting edge part are both positioned on the same plane. The cutting equipment can conveniently and rapidly realize cutting of the extraction pipe, and can avoid damage or pollution of sediment samples in the cutting process.
Description
Technical Field
The invention belongs to the technical field of marine sampling devices, and particularly relates to sediment extraction pipe sectioning equipment and a sediment extraction pipe sectioning method.
Background
At present, a columnar sampler is an important device for acquiring the sediment at the sea bottom, the sediment is filled into a plastic extraction pipe through a piston system when the columnar sampler extracts the sediment at the sea bottom, the extraction pipe filled with the sediment is lifted to the shore by the columnar sampler after the sampling is finished, so that the subsequent sample test is carried out, and before the analysis of the sediment at the sea is carried out by a scientific research institute, the plastic extraction pipe filled with the sediment needs to be cut along the axis.
At present, most research institutions cut the extraction tube by using a handheld electric saw by workers, and the cutting mode is troublesome to operate, has higher operation requirements on the workers, is easy to damage sediments if the operation is improper, and even if the sediments are not damaged, the cut plastic scraps are easy to mix into the sediments, so that the sediments are polluted, and the later analysis results are influenced. Meanwhile, the cutting mode has low cutting efficiency, the cutting work of the extraction pipe is difficult to be completed in time when sediment samples needing to be processed in large batches or to be analyzed urgently are encountered, and the cutting of the electric saw by a worker is also at great safety risk.
In order to better complete analysis work of sediment in scientific research institutions and universities and improve working efficiency, development of special cutting equipment for sediment PVC extraction pipes is needed, the operation is convenient, extraction pipes with different diameters and lengths can be cut, the cutting efficiency and the cutting quality are improved, more importantly, no pollution is generated to internal sediment, and the accuracy of analysis results is ensured; and the price is low, is suitable for being popularized and used in a large scale, and meets the use requirements of universities and scientific research institutions on the extraction pipe cutting equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the invention is to provide the sediment extraction pipe cutting equipment and the cutting method, the cutting equipment can conveniently and rapidly realize the cutting of the extraction pipe, is safe in use, can ensure the cutting quality, can prevent sediment samples from being damaged in the cutting process, can not pollute the sediment samples in the cutting process, and provides a guarantee for the accuracy of sediment analysis results.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a deposit extraction tube dissects equipment, includes dissects unit and sharp drive unit, sharp drive unit can drive dissect the unit is along waiting to dissect extraction tube axial and move to the other end from extraction tube one end, dissect the unit and including striding the door type frame of locating on the extraction tube, sharp drive unit drive is connected door type frame is last to install two along the cutting assembly of extraction tube axial dissecting extraction tube lateral wall, and two cutting assembly symmetries are located the extraction tube axis both sides, and install respectively on two supporting legs of door type frame, cutting assembly includes the electric cutting saw blade that contacts the extraction tube earlier and the cutter of back contact extraction tube, two the interval is greater than the extraction tube internal diameter and is less than the setting of extraction tube external diameter between the cutting blade, two the interval is less than the setting of extraction tube internal diameter between the cutter, electric cutting saw blade cutting part with cutting edge all is located the coplanar.
Preferably, the linear driving unit comprises a screw driving assembly and a guiding assembly, wherein the screw driving assembly comprises a screw rod which is axially arranged parallel to the extraction pipe, a screw nut which is in threaded connection with the screw rod, and a rotating motor which drives the screw rod to rotate; the guide assembly comprises a first straight guide rail and a first sliding block, the first straight guide rail is axially arranged parallel to the extraction pipe, and the first sliding block is in sliding fit with the first straight guide rail; the lower end surfaces of the two supporting legs of the door-shaped frame are respectively and fixedly connected with the first sliding block and the screw nut.
Preferably, the device further comprises a bracket for supporting the extraction pipe and a baffle plate capable of being abutted against one end face of the extraction pipe, wherein the bracket is provided with a height adjusting component for adjusting the height of the extraction pipe, the plane where the cutting edge part of the electric cutting saw blade and the cutting edge part are located is used as a cutting surface, and the height adjusting component can adjust the height position of the bracket along the direction perpendicular to the cutting surface.
Preferably, the bracket comprises two straight rods supported below the outer wall of the extraction pipe, the straight rods are axially arranged parallel to the extraction pipe, and the plane of the central axis of the two straight rods is parallel to the cutting surface; the height adjusting assembly comprises a distance adjusting part and a lifting part which are arranged between two straight rods, wherein the distance adjusting part is arranged in two and is respectively arranged at two ends of the straight rods, the distance adjusting part comprises a second straight guide rail arranged below the two straight rods, two second sliding blocks which are in sliding fit with the second straight guide rail, and a first locking part for limiting the position of the second sliding blocks, the two straight rods are respectively and fixedly connected with one second sliding block, and the second straight guide rail is perpendicular to the straight rods; the lifting parts are arranged in one-to-one correspondence with the second straight guide rails, and the positions of the second straight guide rails can be adjusted along the direction perpendicular to the cutting surface.
Preferably, the pinch roller assembly is installed below the cross beam of the door-shaped frame, the pinch roller assembly comprises a rolling pinch roller, the rolling pinch roller is arranged above the electric cutting saw blade, the wheel surface of the rolling pinch roller abuts against the outer wall of the extraction pipe to be cut, and the rotating shaft of the rolling pinch roller is perpendicular to the central axis of the extraction pipe.
Preferably, the pinch roller assembly further comprises a pinch roller height adjusting component, the pinch roller height adjusting component comprises a mounting plate parallel to the cutting surface, a long bolt perpendicular to the mounting plate, and a fixing nut adapted to the long bolt and abutting against the lower surface of the mounting plate, a threaded through hole adapted to the long bolt is formed in the cross beam, the mounting plate is provided with a mounting plate through hole capable of being penetrated by the long bolt, the lower end part of the long bolt sequentially penetrates through the threaded through hole and the mounting plate through hole to be connected with the fixing nut, and the rolling pinch roller is mounted on the lower surface of the mounting plate.
Preferably, the door-shaped frame is provided with a limiting component for preventing the mounting plate from rotating along with the long bolt.
Preferably, the limiting component is provided with two limiting pins parallel to the central axis of the long bolt, the lower end parts of the limiting pins are fixed on the upper surface of the mounting plate, the cross beam is provided with pin holes corresponding to the limiting pins, and the limiting pins penetrate through the pin holes.
Preferably, the number of the rolling pinch rollers is four, and the rolling pinch rollers are symmetrically arranged in pairs relative to a vertical plane of a cutting plane where the central axis of the extraction pipe to be cut is located.
Preferably, the sectioning unit further comprises a saw blade spacing adjusting component for adjusting the spacing between the two electric cutting saw blade edges, and a cutter spacing adjusting component for adjusting the spacing between the two cutter edges; the saw blade interval adjusting assembly comprises sliding fit parts A which are arranged in one-to-one correspondence with the electric cutting saw blade, wherein each sliding fit part A comprises a third straight guide rail and a third sliding block which is in sliding fit with the third straight guide rail, the third straight guide rail is parallel to a cutting surface and is perpendicular to the central axis of an extraction pipe to be cut, the third straight guide rail is fixedly arranged on the gate-shaped frame, the third sliding block is fixedly arranged below a motor of the electric cutting saw blade, and a second locking part for limiting the position of the third sliding block is arranged between the third straight guide rail and the third sliding block; the cutter interval adjusting assembly comprises sliding fit parts B which are arranged in one-to-one correspondence with the cutters, the sliding fit parts B comprise fourth straight guide rails and fourth sliding blocks which are in sliding fit with the fourth straight guide rails, the fourth straight guide rails are parallel to the third straight guide rails, the fourth straight guide rails are fixedly mounted on the door-shaped frame, the fourth sliding blocks are fixedly mounted on cutter handles, and third locking parts used for limiting the positions of the fourth sliding blocks are arranged between the fourth straight guide rails and the fourth sliding blocks.
Preferably, the third straight guide rail and the fourth straight guide rail are marked with scales along the arrangement direction of the guide rails.
Preferably, the first locking component, the second locking component and the third locking component can be any existing rail slide locking structure, such as a clamp mounted on the second slide, the third slide or the fourth slide for limiting the position of the slide on the straight guide rail.
Preferably, the slitting unit further comprises a sediment splitting assembly mounted on the portal frame, the sediment splitting assembly comprises a thin steel wire rope cutting part which is in contact with the extraction pipe after the cutter, the thin steel wire rope cutting part is perpendicular to the central axis of the extraction pipe, and the central axis of the thin steel wire rope cutting part, the electric cutting saw blade edge part and the cutting edge part are all located on the same plane.
Preferably, the sediment segmentation assembly further comprises a wire unwinding roller which is arranged on the door-shaped frame and is wound with a thin steel wire rope, and two pressing sheets which are used for clamping and fixing the position of the thin steel wire rope, wherein through holes capable of penetrating through fixing bolts are formed in the pressing sheets, threaded holes which are matched with the fixing bolts are formed in the side walls of the fourth straight guide rail corresponding to the through holes, the two pressing sheets are respectively arranged on the fourth straight guide rail through the fixing bolts, a clamping structure is formed between the two pressing sheets and the fourth straight guide rail, the thin steel wire rope which is unwound from the wire unwinding roller is clamped and fixed on the two clamping structures, and the thin steel wire rope stretched between the two pressing sheets forms a thin steel wire rope cutting part.
The invention also discloses a sediment extraction pipe sectioning method which adopts the sediment extraction pipe sectioning equipment, and the sectioning method comprises the following steps:
(1) The extraction tube is placed parallel to the driving direction of the linear driving unit, so that the portal frame is arranged at one end of the extraction tube in a straddling way, and the two cutting assemblies are symmetrically arranged at two sides of the central axis of the extraction tube, and then the position of the extraction tube is fixed;
(2) Opening a linear driving unit and an electric cutting saw blade, wherein the linear driving unit drives the cutting unit to move from one end of the extraction pipe to the other end of the extraction pipe along the axial direction of the extraction pipe to be cut, in the process, the two electric cutting saw blades firstly cut the side wall of the extraction pipe, two cutting lines parallel to the axial direction of the extraction pipe are drawn on the side wall of the extraction pipe without cutting the inner wall of the extraction pipe, and then the two cutters further cut the side wall of the extraction pipe along the cutting lines of the electric cutting saw blades to cut the inner wall of the extraction pipe, so that the cutting of the extraction pipe is completed.
Compared with the prior art, the invention has the advantages and positive effects that: the sediment extraction pipe cutting equipment and the cutting method are provided, the cutting equipment can conveniently and rapidly realize the cutting of the extraction pipe, the use is safe, the cutting quality can be ensured, the sediment sample is prevented from being damaged in the cutting process, the sediment sample cannot be polluted in the cutting process, and the accuracy of the sediment analysis result is ensured.
Drawings
FIG. 1 is a schematic view of a sediment withdrawal pipe sectioning apparatus of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of a cut-away unit of the present invention;
FIG. 4 is a schematic view of the structure of the bracket of the present invention;
FIG. 5 is a schematic view showing the operation of the sediment removal pipe sectioning apparatus of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
In the above figures: 1-sectioning unit, 11-gate-shaped frame, 111-supporting leg, 112-beam, 12-electric cutting saw blade, 13-cutter, 14-pinch roller assembly, 141-rolling pinch roller, 142-mounting plate, 143-long bolt, 144-fixed nut, 145-limit pin, 15-sliding fit part a, 151-third straight guide rail, 152-third slide block, 16-sliding fit part B, 161-fourth straight guide rail, 162-fourth slide block, 17-deposit splitting assembly, 171-thin wire rope cutting part, 172-wire unwinding roller, 173-sheeting, 174-fixed bolt, 2-straight driving unit, 21-screw driving assembly, 22-guiding assembly, 221-first straight guide rail, 3-extraction tube, 4-bracket, 41-straight bar, 42-spacing adjusting part, 421-second straight guide rail, 422-second slide block, 43-lifting part, 431-base, 432-bolt, 433-connecting plate, 5-baffle.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "left", "right", "front", "rear", etc. are positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
As shown in fig. 1 to 5, a sediment extraction tube cutting device comprises a cutting unit 1 and a linear driving unit 2, wherein the linear driving unit 2 can drive the cutting unit 1 to move from one end to the other end of an extraction tube 3 along the axial direction of the extraction tube 3 to be cut, the cutting unit 1 comprises a door-shaped frame 11 which is arranged on the extraction tube 3 in a crossing manner, the linear driving unit 2 is in driving connection with the door-shaped frame 11, two cutting assemblies which are symmetrically arranged on two sides of the central axis of the extraction tube 3 and are respectively arranged on two supporting legs 111 of the door-shaped frame 11, each cutting assembly comprises an electric cutting saw blade 12 which is firstly contacted with the extraction tube 3 and a cutter 13 which is later contacted with the extraction tube 3, the inter-blade spacing of each electric cutting saw blade 12 is larger than the inner diameter of the extraction tube 3 and smaller than the outer diameter of the extraction tube 3, the inter-blade spacing of each electric cutting saw blade 13 is smaller than the inner diameter of the extraction tube 3, and the electric cutting saw blades 12 and the electric cutting blades 13 are respectively arranged on the same plane.
The sediment extraction pipe sectioning method adopting the sediment extraction pipe sectioning equipment comprises the following steps:
(1) The extraction tube 3 is placed parallel to the driving direction of the linear driving unit 2, so that the portal frame 11 is arranged at one end of the extraction tube 3 in a straddling manner, and the two cutting assemblies are symmetrically arranged at two sides of the central axis of the extraction tube 3, and then the position of the extraction tube 3 is fixed;
(2) Starting the linear driving unit 2 and the electric cutting saw blades 12, driving the slitting unit 1 to move from one end of the extraction tube 3 to the other end along the axial direction of the extraction tube 3 to be slit, in the process, firstly cutting the side wall of the extraction tube 3 by the two electric cutting saw blades 12, marking two cutting lines parallel to the axial direction of the extraction tube 3 on the side wall of the extraction tube 3 without slitting the inner wall of the extraction tube 3, and then further cutting the side wall of the extraction tube 3 by the two cutters 13 along the cutting lines of the electric cutting saw blades 12 to slit the inner wall of the extraction tube 3, namely finishing the slitting of the extraction tube 3.
By adopting the sediment extraction pipe cutting equipment and the sediment extraction pipe cutting method, after the equipment is started, the cutting unit 1 moves from one end of the extraction pipe 3 to be cut to the other end, so that the extraction pipe can be cut into two halves along the axial direction of the extraction pipe, the extraction pipe cutting can be conveniently and quickly realized, the use is safe, the cutting quality can be ensured to be more accurate than manual cutting, sediment samples are prevented from being damaged in the cutting process, and the distance between the edge parts of the two electric cutting saw blades 12 is larger than the inner diameter of the extraction pipe 3 and smaller than the outer diameter of the extraction pipe, the extraction pipe is not directly cut through when the electric cutting saw blades 12 cut the extraction pipe, and then the cutting knife 13 cuts the extraction pipe 3 completely along the cutting line of the electric cutting saw blade 12, so that scraps generated by cutting the electric cutting saw blade 12 in the process of cutting the extraction pipe 3 of the electric cutting saw blade 12 can not enter the extraction pipe, pollution to the sediment samples in the cutting process can be effectively avoided, and the guarantee of the accuracy of sediment analysis results can be provided.
Specifically, the linear driving unit 2 includes a screw driving assembly 21 and a guiding assembly 22, the screw driving assembly 21 includes a screw rod axially disposed parallel to the extraction tube 3, a nut screwed to the screw rod, and a rotating motor for driving the screw rod to rotate; the guide assembly 22 comprises a first straight guide rail 221 arranged parallel to the axial direction of the extraction tube 3 and a first slider in sliding fit with the first straight guide rail 221; the lower end surfaces of the two supporting legs 111 of the door-shaped frame 11 are respectively and fixedly connected with the first sliding block and the nut.
The linear driving unit 2 may be any conventional linear driving device capable of realizing the same function, such as an electric push rod, in addition to the above-described structure.
Specifically, the device further comprises a bracket 4 for supporting the extraction pipe 3 and a baffle 5 capable of being abutted to one end face of the extraction pipe 3, wherein the bracket 4 is provided with a height adjusting component for adjusting the height of the extraction pipe 3, the plane where the blade part of the electric cutting saw blade 12 and the blade part of the cutter 13 are located is used as a cutting surface, and the height adjusting component can adjust the height position of the bracket 4 along the direction perpendicular to the cutting surface. The bracket 4 and the baffle 5 can be arranged to facilitate the fixation of the extraction pipe 3, and the extraction pipe 3 is not required to be held in the cutting process, so that the safety of the operation process can be improved.
Specifically, the bracket 4 includes two straight rods 41 supported below the outer wall of the extraction tube 3, the straight rods 41 are axially arranged parallel to the extraction tube 3, and the plane of the central axes of the two straight rods 41 is parallel to the cutting plane; the height adjusting assembly includes a spacing adjusting part 42 and a lifting part 43 installed between two straight bars 41. By adopting the structure, the height of the two straight rods can be adjusted through the lifting part 43 so as to adapt to different requirements of the height of the support of the extraction tube 3, the contact position of the two straight rods 41 and the extraction tube 3 can be adjusted through the arrangement of the interval adjusting part 42, and the extraction tube 3 can be fixed conveniently, stably and firmly.
Specifically, the distance adjusting members 42 are provided in two parts and are separately disposed at two ends of the straight rod 41, the distance adjusting members 42 include a second straight rail 421 mounted below the two straight rods 41, two second sliders 422 slidably engaged with the second straight rail 421, and a first locking member for defining the position of the second sliders 422, where the two straight rods 41 are fixedly connected with one second slider 422, and the second straight rail 421 is perpendicular to the straight rod 41.
Specifically, the lifting members 43 are disposed in one-to-one correspondence with the second straight rails 421, and can adjust the position of the second straight rails 421 along a direction perpendicular to the cutting plane.
Specifically, the lifting member 43 may be any existing lifting member capable of adjusting the height position of the second straight rail 421. For example, the lifting member 43 may include a base 431, a bolt 432 disposed at a vertical cut surface, and a connection plate 433 fixedly installed on a sidewall of the second straight rail 421, the connection plate 433 being provided with a screw through hole adapted to the bolt 432, the bolt 432 passing through the screw through hole and having a lower end portion abutting against the base 431. With the above structure, the height position of the connection plate 433 on the rod of the bolt 432 can be adjusted by rotating the bolt 432, thereby adjusting the elevation of the second straight rail 421.
Specifically, the pinch roller assembly 14 is installed below the beam 112 of the gantry 11, the pinch roller assembly 14 includes a rolling pinch roller 141, the rolling pinch roller 141 is disposed above the electric cutting saw blade 12, a wheel surface of the rolling pinch roller 141 abuts against an outer wall of the extraction pipe 3 to be cut, and a rotation axis of the rolling pinch roller 141 is perpendicular to a central axis of the extraction pipe 3. Pinch roller assembly 14 may better secure extraction tube 3 during operation of the apparatus, improving operational stability of the apparatus.
Specifically, the pinch roller assembly 14 further includes a pinch roller height adjusting component, the pinch roller height adjusting component includes a mounting plate 142 parallel to the cutting surface, a long bolt 143 perpendicular to the mounting plate 142, and a fixing nut 144 adapted to the long bolt 143 and abutting against the lower surface of the mounting plate, a threaded through hole adapted to the long bolt 143 is formed in the cross beam 112, the mounting plate 142 is provided with a mounting plate through hole capable of penetrating the long bolt 143, the lower end portion of the long bolt 143 sequentially penetrates through the threaded through hole and the mounting plate through hole to connect with the fixing nut 144, and the rolling pinch roller 141 is mounted on the lower surface of the mounting plate. The height position of the rolling pinch roller 141 can be conveniently adjusted by the arrangement of the pinch roller height adjusting component, so as to be suitable for the use requirements of the extraction pipes 3 with different sizes.
Specifically, the door-shaped frame 11 is provided with a limiting member for preventing the mounting plate 142 from rotating along with the long bolt 143 during the rotation of the long bolt 143. The setting of spacing part can avoid the rotation at high adjustment in-process mounting panel 142, need not manual fixed mounting panel 142, has more convenient to use.
Specifically, the two limiting pins 145 of the limiting component are parallel to the central axis of the long bolt 143, the lower end parts of the limiting pins 145 are fixed on the upper surface of the mounting plate, pin holes are formed in the cross beam 112 corresponding to the limiting pins 145, and the limiting pins 145 are arranged in the pin holes in a penetrating mode.
The pinch roller assembly 14 further comprises a pinch roller height adjusting component, the pinch roller height adjusting component comprises a mounting plate 142 which is parallel to the cutting surface, and a long bolt 143 which is perpendicular to the mounting plate 142, a threaded through hole which is matched with the long bolt 143 is formed in the cross beam 112, the lower end of the long bolt 143 penetrates out of the threaded through hole and is fixedly connected with the upper surface of the mounting plate 142, two rolling pinch rollers 141 are arranged on the lower surface of the mounting plate 142, and the two rolling pinch rollers 141 are symmetrically arranged relative to the plane perpendicular to the cutting surface of the central axis of the extraction tube 3 to be cut.
Specifically, the number of the rolling pressing wheels 141 is four, and the rolling pressing wheels 141 are symmetrically arranged in pairs relative to the vertical plane of the cutting plane where the central axis of the extraction pipe 3 to be cut is located.
Specifically, the slitting unit 1 further includes a blade pitch adjustment assembly for adjusting the pitch between the edges of the two electric cutting blades 12, and a cutter pitch adjustment assembly for adjusting the pitch between the edges of the two cutters 13. The arrangement of the saw blade spacing adjusting component and the cutter spacing adjusting component can adjust the spacing between the blade parts of the two electric cutting saw blades 12 and the spacing between the blade parts of the two cutters 13, and is matched with the height adjusting component of the bracket 4 and the pinch roller height adjusting component of the pinch roller component 14, so that the device can be suitable for the cutting work of extraction pipes with different pipe diameters, and the suitability of the device is improved.
Specifically, the saw blade interval adjusting assembly includes a sliding fit component a15 that is disposed in one-to-one correspondence with the electric cutting saw blade 12, the sliding fit component a15 includes a third straight guide rail 151 and a third slider 152 that is slidably fitted with the third straight guide rail 151, the third straight guide rail 151 is parallel to the cutting plane and perpendicular to the central axis of the extraction tube 3 to be cut, the third straight guide rail 151 is fixedly mounted on the door frame 11, the third slider 152 is fixedly mounted below the motor of the electric cutting saw blade 12, and a second locking component for limiting the position of the third slider 152 is disposed between the third straight guide rail 151 and the third slider 152.
Specifically, the cutter spacing adjustment assembly includes a sliding fit component B16 that is disposed in one-to-one correspondence with the cutters 13, the sliding fit component B16 includes a fourth straight rail 161 and a fourth slider 162 that is slidably fitted with the fourth straight rail 161, the fourth straight rail 161 is disposed parallel to the third straight rail 151, the fourth straight rail 161 is fixedly mounted on the door frame 11, the fourth slider 162 is fixedly mounted on the cutter handle, and a third locking component for limiting the position of the fourth slider 162 is disposed between the fourth straight rail 161 and the fourth slider 162.
Specifically, the first locking member, the second locking member and the third locking member may be any conventional rail slide locking structure, such as a clamp mounted on the second slide 422, the third slide 152 or the fourth slide 162 for limiting the position of the slide on the straight rail.
Specifically, the third straight rail 151 and the fourth straight rail 161 are marked with graduations along the direction along which the rails are arranged. When the inner diameter and the outer diameter of the extraction pipe are known, the intervals between the electric cutting saw blades 12 and the intervals between the cutters 13 can be conveniently adjusted according to the inner diameter and the outer diameter of the extraction pipe by referring to the scales on the third straight guide rail 151 and the fourth straight guide rail 161, so that the electric cutting saw is more convenient to use.
Specifically, the sectioning unit 1 further includes a sediment dividing assembly 17 mounted on the gantry 11, the sediment dividing assembly 17 includes a thin steel wire rope cutting portion 171 contacting the extraction tube 3 after the cutter 13, the thin steel wire rope cutting portion 171 is perpendicular to the central axis of the extraction tube 3, and the central axis of the thin steel wire rope cutting portion 171, the edge portion of the electric cutting saw blade 12 and the edge portion of the cutter 13 are all located on the same plane. The thin steel wire rope cutting part 171 of the sediment cutting assembly 17 contacts with the extraction tube 3 and sediment samples in the extraction tube 3 after the cutter 13 completes cutting of the extraction tube 3, so that the sediment samples can be cut into two pieces in the cutting process, and the object taking and detecting are facilitated.
Specifically, the deposit splitting assembly 171 further includes a paying-off roller 172, which is mounted on the gate frame 11 and is wound with a thin steel wire rope, and two pressing pieces 173, which are used for clamping and fixing the position of the thin steel wire rope, the pressing pieces 173 are provided with through holes through which fixing bolts 174 can be inserted, threaded holes adapted to the fixing bolts 174 are formed in the side walls of the fourth straight guide rail 161 corresponding to the through holes, the two pressing pieces 173 are respectively mounted on the fourth straight guide rail 161 through the fixing bolts 174, a clamping structure is formed between the two pressing pieces 173 and the fourth straight guide rail 161, the thin steel wire rope paid out from the paying-off roller 172 is clamped and fixed on the two clamping structures, and the thin steel wire rope stretched between the two pressing pieces 173 forms a thin steel wire rope cutting portion 171. By adopting the structure, the sediment dividing assembly 171 can loosen the pressing of the pressing sheet 173 on the thin steel wire rope when sediment division is not needed, and recycle the thin steel wire rope to the wire unwinding roller 172, so that the equipment can be replaced by cutting equipment which does not cut sediment samples, and the equipment can be adjusted according to the actual use requirement more conveniently.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The sediment extraction pipe sectioning equipment is characterized by comprising a sectioning unit and a linear driving unit, wherein the linear driving unit can drive the sectioning unit to move from one end of an extraction pipe to the other end of the extraction pipe along the axial direction of the extraction pipe to be sectioned, the sectioning unit comprises a door-shaped frame which is spanned on the extraction pipe, the linear driving unit is in driving connection with the door-shaped frame, two cutting assemblies which are symmetrically arranged on two sides of the central axis of the extraction pipe and respectively arranged on two supporting legs of the door-shaped frame are arranged on the door-shaped frame, the cutting assemblies comprise an electric cutting saw blade which is firstly contacted with the extraction pipe and a cutter which is later contacted with the extraction pipe, the spacing between the cutting edges of the two electric cutting saw blades is larger than the inner diameter of the extraction pipe and smaller than the outer diameter of the extraction pipe, the spacing between the two cutters is smaller than the inner diameter of the extraction pipe, and the electric cutting saw blade parts and the cutting edge parts are both positioned on the same plane; the sectioning unit further comprises a saw spacing adjusting component for adjusting the spacing between the two electric cutting saw blade edges and a cutter spacing adjusting component for adjusting the spacing between the two cutter edges; in addition, still include the bracket that is used for bearing extraction tube and can butt extraction tube terminal surface baffle, the bracket is equipped with the high adjusting part of regulation extraction tube height to electric cutting saw blade cutting part with the plane that the cutter cutting part is located is as the cutting surface, high adjusting part can follow the perpendicular to the direction of cutting surface is adjusted the bracket height position.
2. The sediment extraction tube sectioning apparatus of claim 1, wherein the linear driving unit comprises a screw driving assembly and a guide assembly, the screw driving assembly comprising a screw disposed parallel to an axial direction of the extraction tube, a nut screw threadedly coupled to the screw, and a rotation motor driving the screw to rotate; the guide assembly comprises a first straight guide rail and a first sliding block, the first straight guide rail is axially arranged parallel to the extraction pipe, and the first sliding block is in sliding fit with the first straight guide rail; the lower end surfaces of the two supporting legs of the door-shaped frame are respectively and fixedly connected with the first sliding block and the screw nut.
3. The sediment extraction tube sectioning device of claim 1, wherein the bracket comprises two straight bars supported below the outer wall of the extraction tube, the straight bars are axially arranged parallel to the extraction tube, and the planes of the central axes of the two straight bars are parallel to the cutting plane; the height adjusting assembly comprises a distance adjusting part and a lifting part which are arranged between two straight rods, wherein the distance adjusting part is arranged in two and is respectively arranged at two ends of the straight rods, the distance adjusting part comprises a second straight guide rail arranged below the two straight rods, two second sliding blocks which are in sliding fit with the second straight guide rail, and a first locking part for limiting the position of the second sliding blocks, the two straight rods are respectively and fixedly connected with one second sliding block, and the second straight guide rail is perpendicular to the straight rods; the lifting parts are arranged in one-to-one correspondence with the second straight guide rails, and the positions of the second straight guide rails can be adjusted along the direction perpendicular to the cutting surface.
4. A sediment removal assembly as claimed in claim 3, wherein a pinch roller assembly is mounted below the cross beam of the gantry, the pinch roller assembly comprises a rolling pinch roller, the rolling pinch roller is disposed above the electric cutting saw blade, the tread of the rolling pinch roller abuts against the outer wall of the removal tube to be cut, and the rotation axis of the rolling pinch roller is perpendicular to the central axis of the removal tube.
5. The sediment extraction tube sectioning apparatus according to claim 4, wherein the pinch roller assembly further comprises a pinch roller height adjusting member, the pinch roller height adjusting member comprises a mounting plate arranged parallel to the cutting surface, a long bolt arranged perpendicular to the mounting plate, and a fixing nut adapted to the long bolt and abutted against the lower surface of the mounting plate, the cross beam is provided with a threaded through hole adapted to the long bolt, the mounting plate is provided with a mounting plate through hole capable of penetrating the long bolt, the lower end of the long bolt sequentially penetrates through the threaded through hole and the mounting plate through hole to be connected with the fixing nut, the rolling pinch rollers are arranged in four and are arranged on the lower surface of the mounting plate, and the rolling pinch rollers are symmetrically arranged in pairs relative to the perpendicular surface of the cutting surface where the central axis of the extraction tube to be sectioned is located.
6. The sediment extraction pipe sectioning device according to claim 1, wherein the saw blade spacing adjustment assembly comprises sliding fit parts A which are arranged in one-to-one correspondence with the electric cutting saw blades, the sliding fit parts A comprise third straight guide rails and third sliding blocks which are in sliding fit with the third straight guide rails, the third straight guide rails are parallel to a cutting surface and perpendicular to the central axis of the extraction pipe to be sectioned, the third straight guide rails are fixedly arranged on the gate-shaped frame, the third sliding blocks are fixedly arranged below a motor of the electric cutting saw blades, and second locking parts for limiting the positions of the third sliding blocks are arranged between the third straight guide rails and the third sliding blocks; the cutter interval adjusting assembly comprises sliding fit parts B which are arranged in one-to-one correspondence with the cutters, the sliding fit parts B comprise fourth straight guide rails and fourth sliding blocks which are in sliding fit with the fourth straight guide rails, the fourth straight guide rails are parallel to the third straight guide rails, the fourth straight guide rails are fixedly mounted on the door-shaped frame, the fourth sliding blocks are fixedly mounted on cutter handles, and third locking parts used for limiting the positions of the fourth sliding blocks are arranged between the fourth straight guide rails and the fourth sliding blocks.
7. The sediment removal pipe sectioning apparatus of claim 6, wherein the sectioning unit further comprises a sediment split assembly mounted on the gantry, the sediment split assembly comprises a thin wire rope cutting portion contacting the removal pipe after the cutter, the thin wire rope cutting portion is disposed perpendicular to the central axis of the removal pipe, and the central axis of the thin wire rope cutting portion is in the same plane as the electric cutting saw blade edge portion and the cutting edge portion.
8. The sediment extraction pipe sectioning device according to claim 7, wherein the sediment segmentation assembly further comprises a wire unwinding roller which is arranged on the door-shaped frame and is wound with a thin wire rope, two pressing pieces used for clamping and fixing the position of the thin wire rope, the pressing pieces are provided with through holes which can penetrate through fixing bolts, threaded holes which are matched with the fixing bolts are formed in the side walls of the fourth straight guide rail and correspond to the through holes, the two pressing pieces are respectively arranged on the fourth straight guide rail through the fixing bolts, a clamping structure is formed between the two pressing pieces and the fourth straight guide rail, the thin wire rope which is unwound from the wire unwinding roller is clamped and fixed on the two clamping structures, and the thin wire rope stretched between the two pressing pieces forms a thin wire rope cutting part.
9. A sediment extraction tube sectioning method, characterized by employing the sediment extraction tube sectioning apparatus of any one of claims 1 to 8, comprising the steps of:
(1) The extraction tube is placed parallel to the driving direction of the linear driving unit, so that the portal frame is arranged at one end of the extraction tube in a straddling way, and the two cutting assemblies are symmetrically arranged at two sides of the central axis of the extraction tube, and then the position of the extraction tube is fixed;
(2) Opening a linear driving unit and an electric cutting saw blade, wherein the linear driving unit drives the cutting unit to move from one end of the extraction pipe to the other end of the extraction pipe along the axial direction of the extraction pipe to be cut, in the process, the two electric cutting saw blades firstly cut the side wall of the extraction pipe, two cutting lines parallel to the axial direction of the extraction pipe are drawn on the side wall of the extraction pipe without cutting the inner wall of the extraction pipe, and then the two cutters further cut the side wall of the extraction pipe along the cutting lines of the electric cutting saw blades to cut the inner wall of the extraction pipe, so that the cutting of the extraction pipe is completed.
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| CN111822779A (en) * | 2020-07-09 | 2020-10-27 | 广州海洋地质调查局 | Core sampling tube axial cutting device of harmless sample |
| CN114030017B (en) * | 2021-11-23 | 2023-08-25 | 青岛海洋科技中心 | Extraction tube cutting equipment and cutting method |
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