CN104483156A - Method and device for acquiring stratified sample for concretedeterioration detection - Google Patents
Method and device for acquiring stratified sample for concretedeterioration detection Download PDFInfo
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- CN104483156A CN104483156A CN201410814244.3A CN201410814244A CN104483156A CN 104483156 A CN104483156 A CN 104483156A CN 201410814244 A CN201410814244 A CN 201410814244A CN 104483156 A CN104483156 A CN 104483156A
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Abstract
The invention discloses a method and a device for acquiring stratified sample for concretedeterioration detection. The sample acquiring device comprises a machine tool, a grinding tool, a clamp and a powder collecting device, wherein the machine tool comprises a working bench, a working bench X-axis feeding systemand a working bench Y-axis feeding system; the clamp is fixed on the working bench; the axis of a core sample is horizontally arranged, and an end part extends out; the powder collecting device is fixed on the clamp and covers the grinding tool and the end part of the core sample; during sampling, the end surface of the core sample fixed on the working table of a grinding machine is ground in a stratified manner, and powdery samples are collected once when the end surface is ground by one layer; and the end surface of the core sample is in the vertical direction, the powder collecting devices covers the end part of the core sample, and the sample is collected by means of gravity of ground powder. According to the method and the device, sampling can be performed according to the accurate thickness, human error and inconvenience of specific operation due to cutting by blades are avoided, the samples are collected by means of gravity of ground powder, the device has a simple structure, and accurate data are provided for research of concentration and gradient of corrosive media entering concrete.
Description
[technical field]
The present invention relates to concrete deterioration to detect, particularly relate to acquisition methods and device that a kind of concrete deterioration detects layering sample.
[background technology]
Ocean concrete wood property degradation mechanism and rule are the key scientific problems of the infrastructure such as reinforced concrete bridge spanning the sea and great extra large work structures performance guarantee research.In marine environment, the concrete workses such as Oversea bridge, seabed tunnel, harbor work's harbour undergo arrangement works load, seawater pressure, ocean current wash away and the multiple action of marosion medium.Corrosive ions can infiltrate inside concrete gradually, and it is the first factor causing structure durability to decline that corrosive ions permeates the reinforcement corrosion destruction caused.For xoncrete structure, especially oceanographic engineering, concrete anticorrosion ion permeability can be the key point in decision whole engineering serviceable life.In order to monitor corrosive ions osmotic concentration with the life-span evaluating concrete quality quality and may use, need to adopt the sampling of blade Slice by slice cutting to deteriorated ocean structure core, after the sheet sample cut down is pulverized one by one, carry out chemical analysis, the data of different depth corrosive ions concentration can be obtained.But the thickness of conventional blades Slice by slice cutting sampling is large, precision is not high, easily because personal error and misoperation cause the data of acquisition not accurate enough.
The patent No. is that the patent of invention of CN201010161102.3 discloses a kind of automatic layering polisher, comprise support, support is provided with numerical control device, vertical feeding motor, driving motor, traverse feed motor, and numerical control device is connected with vertical feeding motor, driving motor, traverse feed motor respectively; Vertical feeding motor connects vertical feed screw, Connection Bracket on vertical feed screw, affixed driving motor on fixed mount; Affixed grinding disc in driving motor rotating shaft, the opposite of grinding disc arranges the fixture accommodating test specimen, and fixture is arranged on slide rail, and slide rail is connected with traverse feed motor.The automatic layering polisher of this invention to some extent solves core cutting problem that is uneven and grinding after cutting, but this sander needs to install air blast, filtration unit, complex structure, and operation is inconvenient; Filtration unit has intercepted the sample corase meal that part is polished, and have impact on sampling precision.
[summary of the invention]
The technical problem to be solved in the present invention is to provide the acquisition methods of the concrete deterioration detection layering sample that a kind of device structure is simple, sampling precision is high, easy to operate.
It is high, easy to operate that another technical matters that will solve of the present invention is to provide a kind of sampling precision, and the simple concrete deterioration of structure detects the acquisition device of layering sample.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of concrete deterioration detects the acquisition methods of layering sample, the core that concrete deterioration detects is fixed on Grinder bench, carry out grinding to the end face of core by the layer depth layering of setting, every grinding one deck collects the sample of a powdery; The end face of core is in vertical direction, and the end of core covers by powder collection device, utilizes the gravity of abrasive dust to collect sample.
Concrete deterioration detects a technical scheme for the acquisition device of layering sample, comprises lathe, cutter, fixture and powder collection device.Described cutter is grinding tool, and described lathe comprises main shaft, worktable, worktable X-direction feed system and the worktable Y direction feed system of installing grinding tool, and the fixture for clamping core is fixing on the table; The axis horizontal of core is arranged, end is stretched out; Powder collection device is fixed on fixture or worktable, by the end cover of grinding tool and core wherein.
Above-described concrete deterioration detects the acquisition device of layering sample, described lathe is horizontal machine tool, the axis of core is parallel with the direction of machine tool chief axis axis, and the direction of machine tool chief axis axis is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction; Described grinding tool is saucer wheel, and saucer wheel is fixed on the front end of main shaft, carries out grinding along X-direction to the end face of core.
Above-described concrete deterioration detects the acquisition device of layering sample, and fixture comprises base and briquetting, and the top of base and the bottom of briquetting respectively comprise V-shaped groove; Base is fixing on the table, and core is placed in the V-shaped groove bottom base top and briquetting; Briquetting is bolted on base.
Above-described concrete deterioration detects the acquisition device of layering sample, and powder collection device comprises case, cover plate and ash accepting box, and the bottom of case comprises funnelform ash hole, and ash accepting box is enclosed within ash hole, is positioned at the below of ash hole; The side on the top of case comprises opening, and cover plate is buckled on described opening; Lid is pulled and is comprised spindle hole, and the end of machine tool chief axis extend in the inner chamber on case top through spindle hole; The side plate of the opposite side of case comprises screw hole and core hole, and core is through core hole, and the end of core extend in the inner chamber on case top; Case is fixed by screws on fixture.
Above-described concrete deterioration detects the acquisition device of layering sample, and comprise O-ring seal, O-ring seal is arranged on the edge in core hole, the endoporus of O-ring seal and the periphery adaptation of core.
Above-described concrete deterioration detects the acquisition device of layering sample, described lathe is vertical machine, the axis direction of machine tool chief axis is Z-direction, and the axis direction of core is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction; Described grinding tool is cylindrical grinding wheel, and cylindrical grinding wheel is fixed on the lower end of main shaft, and the face of cylinder of cylindrical grinding wheel carries out grinding along X-direction to the end face of core.
Above-described concrete deterioration detects the acquisition device of layering sample, and comprise sander, air exhauster and three-way pipe, ash accepting box bottom comprises ash hole; Described sander and air exhauster are fixed on lathe, and the entrance of the first pipe of three-way pipe connects the ash hole of ash accepting box bottom, and the outlet of the second pipe connects the air inlet of air exhauster, and the outlet of the 3rd pipe plays the charging aperture of grinding machine; First pipe and the 3rd of three-way pipe is managed and is directly communicated with, and the inlet location of the second pipe is equipped with filter screen.
Above-described concrete deterioration detects the acquisition device of layering sample, and powder collection device comprises case, cover plate and ash accepting box, and the bottom of case comprises funnelform ash hole, and ash accepting box is enclosed within ash hole, is positioned at the below of ash hole; The side on the top of case comprises opening, and cover plate is buckled on described opening; The top board of case comprises spindle hole, and the end of machine tool chief axis extend in the inner chamber on case top through spindle hole; The side plate of the opposite side of case comprises screw hole and core hole, and core is through core hole, and the end of core extend in the inner chamber on case top; Case is fixed by screws on fixture.
The present invention not only can sample by accurate thickness, avoid with section cutting bring the inconvenience of artificial deviation and concrete operations, each grinding and feeding amount can control below 0.5 millimeter, for research corrosive medium enter concentration in concrete, gradient offers precise data; Utilize the gravity of abrasive dust to collect sample, device structure is simple.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation that the embodiment of the present invention 1 concrete deterioration detects the acquisition device of layering sample.
Fig. 2 is the front view of the embodiment of the present invention 1 fixture and powder collection device assembly.
Fig. 3 is the right view of the embodiment of the present invention 1 fixture and powder collection device assembly.
Fig. 4 is the left view of the embodiment of the present invention 1 fixture and powder collection device assembly.
Fig. 5 is the structural representation that the embodiment of the present invention 2 concrete deterioration detects the acquisition device of layering sample.
Fig. 6 is the structural representation that the embodiment of the present invention 3 concrete deterioration detects the acquisition device of layering sample.
Fig. 7 is the vertical view of the embodiment of the present invention 3 sander body.
Fig. 8 is the upward view of the embodiment of the present invention 3 sander upper cover.
[embodiment]
The embodiment of the present invention 1 concrete deterioration detects the structure of the acquisition device of layering sample as shown in Figures 1 to 4, comprises horizontal milling machine 100, fixture 200 and powder collection device 300.Milling machine 100 comprises main shaft 1, worktable 2, worktable X-direction feed system, the worktable Y direction feed system of installing saucer wheel 10.Fixture 200 for clamping core 400 is fixed on worktable 2.Powder collection device 300 is fixed on fixture 200 or worktable 2, and saucer wheel 10 and core 400 are needed the end cover of grinding wherein by powder collection device 300.
Fixture 200 comprises base 3 and briquetting 4, and a V-shaped groove 301 is arranged at the top of base 3, and a V-shaped groove 401 is arranged at the bottom of briquetting 4.Base 3 bolt 5 is fixed on worktable 2, and core 400 is placed in the V-shaped groove 301 of base top and the V-shaped groove 401 in briquetting portion.Briquetting 4 is fixing on the base 3 by bolt 6, is clamped by core 400.
In the present embodiment, the axis of core 400 is parallel with the direction of milling machine 100 main shaft 1 axis, and the direction of milling machine spindle 1 axis is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction.Saucer wheel 10 is fixed on the front end of main shaft 1, carries out grinding along X-direction to the end face of core 400.
Powder collection device 300 comprises case 7, cover plate 8, ash accepting box 9 and hagioscope 13, and a funnelform ash hole 701 is arranged at the bottom of case 7.Ash accepting box 9 is enclosed within ash hole 701, is positioned at the below of ash hole 701.
There is an opening in the left side on the top of case 7, and cover plate 8 is buckled on the opening on the left of case 7, by the closure of openings of case 7.Lid pulls the spindle hole 801 of a prolate, and the right-hand member of milling machine spindle 1 extend in the inner chamber on case 7 top through spindle hole 801, and saucer wheel 10 is fixed on the right-hand member of main shaft 1.
The right plate of case 7 has multiple screw hole and a core hole, and O-ring seal 11 is arranged on the edge in core hole.The end of core 400, through the endoporus of O-ring seal 11, extend in the inner chamber on case 7 top, the endoporus of O-ring seal and the periphery adaptation of core 400.
Case 7 is fixed on fixture 200 through case 7 screw hole by screw 14.
Hagioscope 13 is made with transparent material, is fixed on one end of case 7, for observing and adjust the duty of saucer wheel 10.
During sampling, grinding is carried out by the end face layering of layer depth (such as 1mm or 0.5mm) to core 400 of setting, the sample of powdery drops in ash accepting box 9, every grinding one deck collects the sample of the powdery in an ash accepting box 9, then, worktable 2 does primary feed along Y direction by layer depth, carries out the grinding of lower one deck; The sample of different depth is carried out respectively and is marked and preserve.
The embodiment of the present invention 2 concrete deterioration detects the structure of the acquisition device of layering sample as shown in Figure 5, only be with the difference of embodiment 1, lathe adopts vertical milling machine 100, the axis direction of milling machine 100 main shaft 1 is Z-direction, and the axis of core 400 is vertical with the direction of milling machine 100 main shaft 1 axis.The axis direction of core 400 is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction.Grinding tool is cylindrical grinding wheel 12, and cylindrical grinding wheel 12 is fixed on the lower end of main shaft 1, and the face of cylinder of cylindrical grinding wheel 12 carries out grinding along X-direction to the end face of core 400.
The powder collection device 300 of embodiment 2 comprises case 7, cover plate 8 and ash accepting box 9 equally, and funnelform ash hole 701 is arranged at the bottom of case 7, and ash accepting box 9 is enclosed within ash hole 701, is positioned at the below of ash hole 701.The left side on the top of case 7 comprises opening, and cover plate 8 is buckled on opening.The top board of case 7 has a phase spindle hole 701, and the bottom of milling machine spindle 1 extend in the inner chamber on case 7 top, and cylindrical grinding wheel 12 is installed in the lower end of main shaft 1.
The above embodiment of the present invention realizes the concrete core sample of the quantitative thickness of each grinding by the accurate feeding of lathe, avoid with section cutting bring the inconvenience of artificial deviation and concrete operations, each grinding and feeding amount can below 0.5 millimeter, can enter the concentration in concrete, gradient offers precise data for research corrosive medium.
The end face of the above embodiment core of the present invention is in vertical direction, and utilize the gravity of abrasive dust to collect sample, do not need to arrange blower fan and filtration unit, device structure is simple, and convenient operation.
The embodiment of the present invention 3 concrete deterioration detects the structure of the acquisition device of layering sample as shown in Figure 6 to 8, and also comprise sander 15, air exhauster 16 and three-way pipe 17, an ash hole is arranged at the bottom of ash accepting box 9; Sander 15 and air exhauster 16 are separately fixed on lathe, and the entrance of the first pipe 1701 of three-way pipe 17 connects the ash hole of ash accepting box 9 bottom, and the outlet of the second pipe 1702 connects the air inlet of air exhauster 16, and the outlet of the 3rd pipe 1307 plays the charging aperture of grinding machine 15; First pipe 1701 of three-way pipe 17 is directly communicated with the 3rd pipe 1703, and the inlet location of the second pipe 1702 is equipped with filter screen 18.
During the present embodiment work, start sander 15, air exhauster 16, the powdery samples entering ash accepting box 9 is siphoned away by first pipe 1701 of air exhauster 16 by three-way pipe 17, the powdery samples entering three-way pipe 17 is intercepted by filter screen 18, enter sander 15 through the 3rd pipe 1307, beaten further carefully by sander 15.
Claims (9)
1. concrete deterioration detects an acquisition methods for layering sample, it is characterized in that, is fixed on Grinder bench by the core that concrete deterioration detects, and carry out grinding to the end face of core by the layer depth layering of setting, every grinding one deck collects the sample of a powdery; The end face of core is in vertical direction, and the end of core covers by powder collection device, utilizes the gravity of abrasive dust to collect sample.
2. concrete deterioration detects an acquisition device for layering sample, and comprise lathe, cutter and fixture, it is characterized in that, comprise powder collection device, described cutter is grinding tool; Described lathe comprises main shaft, worktable, worktable X-direction feed system, the worktable Y direction feed system of installing grinding tool, and the fixture for clamping core is fixing on the table; The axis horizontal of core is arranged, end is stretched out; Powder collection device is fixed on fixture or worktable, by the end cover of grinding tool and core wherein.
3. concrete deterioration according to claim 2 detects the acquisition device of layering sample, it is characterized in that, described lathe is horizontal machine tool, the axis of core is parallel with the direction of machine tool chief axis axis, the direction of machine tool chief axis axis is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction; Described grinding tool is saucer wheel, and saucer wheel is fixed on the front end of main shaft, carries out grinding along X-direction to the end face of core.
4. concrete deterioration according to claim 2 detects the acquisition device of layering sample, and it is characterized in that, fixture comprises base and briquetting, and the top of base and the bottom of briquetting respectively comprise V-shaped groove; Base is fixing on the table, and core is placed in the V-shaped groove bottom base top and briquetting; Briquetting is bolted on base.
5. concrete deterioration according to claim 3 detects the acquisition device of layering sample, it is characterized in that, powder collection device comprises case, cover plate and ash accepting box, and the bottom of case comprises funnelform ash hole, ash accepting box is enclosed within ash hole, is positioned at the below of ash hole; The side on the top of case comprises opening, and cover plate is buckled on described opening; Lid is pulled and is comprised spindle hole, and the end of machine tool chief axis extend in the inner chamber on case top through spindle hole; The side plate of the opposite side of case comprises screw hole and core hole, and core is through core hole, and the end of core extend in the inner chamber on case top; Case is fixed by screws on fixture.
6. concrete deterioration according to claim 5 detects the acquisition device of layering sample, and it is characterized in that, comprise O-ring seal, O-ring seal is arranged on the edge in core hole, the endoporus of O-ring seal and the periphery adaptation of core.
7. concrete deterioration according to claim 2 detects the acquisition device of layering sample, it is characterized in that, described lathe is vertical machine, the axis direction of machine tool chief axis is Z-direction, the axis direction of core is Y direction, and the horizontal direction of motion of the worktable perpendicular to Y direction is X-direction; Described grinding tool is cylindrical grinding wheel, and cylindrical grinding wheel is fixed on the lower end of main shaft, and the face of cylinder of cylindrical grinding wheel carries out grinding along X-direction to the end face of core.
8. concrete deterioration according to claim 7 detects the acquisition device of layering sample, it is characterized in that, powder collection device comprises case, cover plate and ash accepting box, and the bottom of case comprises funnelform ash hole, ash accepting box is enclosed within ash hole, is positioned at the below of ash hole; The side on the top of case comprises opening, and cover plate is buckled on described opening; The top board of case comprises spindle hole, and the end of machine tool chief axis extend in the inner chamber on case top through spindle hole; The side plate of the opposite side of case comprises screw hole and core hole, and core is through core hole, and the end of core extend in the inner chamber on case top; Case is fixed by screws on fixture.
9. concrete deterioration according to claim 5 detects the acquisition device of layering sample, and it is characterized in that, comprise sander, air exhauster and three-way pipe, ash accepting box bottom comprises ash hole; Described sander and air exhauster are fixed on lathe, and the entrance of the first pipe of three-way pipe connects the ash hole of ash accepting box bottom, and the outlet of the second pipe connects the air inlet of air exhauster, and the outlet of the 3rd pipe plays the charging aperture of grinding machine; First pipe and the 3rd of three-way pipe is managed and is directly communicated with, and the inlet location of the second pipe is equipped with filter screen.
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| CN201410814244.3A CN104483156B (en) | 2014-12-23 | 2014-12-23 | A kind of acquisition methods and device of concrete deterioration detection layering sample |
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Cited By (4)
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| CN105223038A (en) * | 2015-10-21 | 2016-01-06 | 中国科学院广州地球化学研究所 | A kind of ore dressing pen and quick ore-dressing plant fast |
| CN108214219A (en) * | 2018-03-13 | 2018-06-29 | 青岛理工大学 | A kind of numerical control dust-collecting type concrete grinding attachment and its application method |
| CN110579373A (en) * | 2019-09-25 | 2019-12-17 | 青岛理工大学 | portable concrete surface layer accurate grinding and sampling equipment |
| CN113970455A (en) * | 2021-10-26 | 2022-01-25 | 湖北文理学院 | Layered sampling device and method for detecting concentration of erosive ions in cement-based material |
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| CN113970455A (en) * | 2021-10-26 | 2022-01-25 | 湖北文理学院 | Layered sampling device and method for detecting concentration of erosive ions in cement-based material |
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