CN103900952A - 3PE anticorrosive coating peel strength test machine - Google Patents
3PE anticorrosive coating peel strength test machine Download PDFInfo
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- CN103900952A CN103900952A CN201210590993.3A CN201210590993A CN103900952A CN 103900952 A CN103900952 A CN 103900952A CN 201210590993 A CN201210590993 A CN 201210590993A CN 103900952 A CN103900952 A CN 103900952A
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- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 239000011248 coating agent Substances 0.000 title claims abstract description 31
- 238000007719 peel strength test Methods 0.000 title description 4
- 208000004141 microcephaly Diseases 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 34
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 235000019774 Rice Bran oil Nutrition 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 239000008165 rice bran oil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a 3PE anticorrosive coating peeling strength testing machine which is suitable for testing the peeling strength performance of a 3PE anticorrosive coating of a pipeline. The technical field of testing and piping systems, which are not included in other categories, relates to general corrosion prevention of metallic materials. It consists of mechanical and electronic parts; the mechanical part mainly comprises four parts, namely a mounting plate, a tension sensor, a driving mechanism and a transmission mechanism; the transmission mechanism is arranged on the tension sensor, the tension sensor is arranged in the middle of the mounting plate, and the driving mechanism is arranged at one end of the mounting plate; the electronic part is composed of: the output of the converter is connected with the input of the controller, the output of the controller is connected with the input of the motor controller, and the output of the motor controller is connected with the motor. The invention has the advantages of automatic control, real-time storage, portability, easy operation, and more efficient, accurate and objective reflection of detection data.
Description
Technical field
The present invention is a kind of 3PE anticorrosive coating peeling strength tester that is applicable to the test of pipeline 3PE anticorrosive coating peeling strength character.Relate to general corrosion protection, the test not to be covered of other class and the piping system technical field of metal material.
Background technology
Pipeline external anti-corrosion layer is that long distance pipeline is avoided external environment and pipeline caused to one of most important means of corrosion.In recent years in-service pipeline is excavated while detecting, find that many some pipelines have just reached 3～4mm in the corrosion depth of 3～4 years interior tube bodies due to the anticorrosive coat pipe body corrosion phenomenon causing that lost efficacy, annual is corroded and is reached 1mm.So corrosion has not only affected quality and the serviceable life of pipeline fast, and has left huge potential safety hazard to normal operation.Therefore, in the urgent need to improve the anticorrosive quality detection level in scene and laboratory period at pipe-line construction, anticorrosive coat correlated performance is carried out to scientific and effective evaluation, to ensure the anticorrosive quality of body after buried, take precautions against in possible trouble.
At present domestic while carrying out anticorrosive coat quality testing at pipe-line construction scene, evaluating anticorrosive coat construction quality unique detection method is peel strength test, and the method mainly relies on the method for Appendix D in the way of annex J in GB/T23257-2009 " buried steel pipeline polyethylene anticorrosive coating " and ISO21809-2009 " external skin of oil and natural gas industry--the underground or underwater pipeline that uses in pipe-line transportation system " (Petroleum and natural gas industries--External coatings for buried or submerged pipel ines used in pipeline transportation systems) to realize.But, there are a lot of drawbacks in this detection method, during as manual operation, cannot ensure the at the uniform velocity rate of extension of 10mm/min, dynamometer reading is unstable, and peel angle cannot accurately be controlled, and there is limitation operating space, six-o ' clock position cannot detect, test data is not accurate and comprehensive enough, is subject to inclement weather impact, easily causes each side's controversial issue and difference etc.These drawbacks are brought very large deviation to testing result, thereby are difficult to ensure that anticorrosive coat quality reaches standard-required.For improving these deficiencies, use science, easy digital detecting instrument device are very necessary as the quality inspection equipment of pipeline external anti-corrosion layer.Especially domesticly during 12 will build 5.4 ten thousand thousand rice bran oil feed channel, according to rough calculation only repaired mouth detect a place and just need to carry out peeling strength tests for more than 50,000 times, use traditional detection method not only to waste time and energy, also there will be the problems such as testing result is inaccurate, be therefore badly in need of a kind of being more suitable for and in portable, the easy-operating testing tool of domestic use, pipeline anticorrosion coating peel strength detected accurately and rapidly.
Summary of the invention
The object of the invention is to invent a kind of have automatic control, real-time storage, portable easy to operate, more efficiently, accurately, reflection detects the 3PE anticorrosive coating peeling strength tester of data objectively.
The present invention is made up of machinery and electronic section.As Figure 1-Figure 4, critical piece comprises installing plate, pulling force sensor, driving mechanism, gear train four parts to the formation of mechanical part.Gear train is arranged on pulling force sensor, and pulling force sensor is arranged on the middle part of installing plate, and driving mechanism is arranged on one end of installing plate.
Specifically comprise elastic webbing 2, elastic webbing stiff end 3, main drive wheel 4, shell 5, pilot lamp 6, control knob 7, bolt 8, side link 9, backstay 10, wheel shaft 11, drawstring 12, rear plate 13, elastic clip sleeve-board 14, clamping plate 15, from driving wheel 17, drive motor 18, take-up motor 19, connecting line 20, pull bar 21, pulling force sensor 22, sensor clamping plate 23, installing plate 24, speed reduction unit 25, check plate 26.Drive motor 18, take-up motor 19 are fixed on one end of installing plate 24, side link 9 is fixed on the both sides of installing plate 24, in the chute of pulling force sensor 22 in the middle of installing plate 24, main drive wheel 4 and one are fixed on one end of side link 9 from driving wheel, side link 9 is connected with rear plate 13 by wheel shaft, and pulling force sensor 22 is connected with clamping plate 15 by drawstring 12.
Described installing plate 24 is cuboid, sees Figure 10, and center protrusion place is provided with " recessed " shape chute, and both sides are fixed together by bolt 8 and side link 9, is connected and fixed by screw and " protruding " platform and drive unit near main drive wheel 4 ends;
Described side link 9 is rectangular body, two is circular, small one and large one, microcephaly is connected from driving wheel by wheel shaft and main drive wheel 4 and one, and this is from driving wheel with identical from driving wheel 17, and major part is connected with rear plate 13 by wheel shaft 11, side link 9 middle parts have two bolts hole, be connected with installing plate 24 by bolt 8, microcephaly near elastic webbing stiff end 3 sides with two " recessed " shape grooves, to fix elastic webbing stiff end 3;
Wherein: wheel shaft 11 is right cylinder, has sulculus, by register pin, rear plate 13 is linked together with side link 9;
Described pulling force sensor 22 is serpentine body, sees Fig. 9, is arranged in the chute of installing plate 24, can be free to slide along chute, two ends perforate, one end utilizes screw steady brace 21, and be connected with connecting line 20 by pull bar 21, the other end is connected with drawstring 12 by sensor clamping plate 23;
Described check plate 26 is " recessed " shape baffle plate, is screwed in the chute top of installing plate 24, the sliding position of restriction pulling force sensor 22;
Described rear plate 13 is dull and stereotyped " work " font, see Fig. 7 and Fig. 8, the four stature places of " work " font are circle, two is large two little, the two major part centers of circle are all on wheel shaft 11 is axial, major part is connected with side link 9 by wheel shaft 11, major part has five apertures near wheel shaft place, five aperture centers of circle are to wheel shaft distance of shaft centers from identical, the two microcephaly centers of circle are also all in axle axial, this wheel shaft is identical with wheel shaft 11, two microcephalies are connected from driving wheel with two by wheel shaft, upper close elastic webbing stiff end 3 sides of microcephaly are with two " recessed " shape grooves, to fix elastic webbing stiff end 3, rear plate 13 inner sides are provided with elastic clip sleeve-board 14 by centre position, major part place, for semi-circular recesses, when not using, clamping plate 15 can be put into wherein this equipment,
Described clamping plate 15 are two square plates, see Fig. 5 and Fig. 6, be serrated-surface in the middle of square plate, when two square plates are relative, clamp drawstring 12 and anticorrosive coat 16 by serrated-surface, and four jiaos of square plates respectively have four bolts hole, utilize bolt connection;
Described backstay 10 is right cylinder, after inserting, in the aperture of 13 liang of major parts of plate, regulates rear plate 13 and side link 9 open angles;
Described driving mechanism comprises drive motor 18, take-up motor 19, speed reduction unit 25, main drive wheel 4, from driving wheel 17, elastic webbing 2, elastic webbing stiff end 3, four jiaos of the bases of drive motor 18, take-up motor 19, speed reduction unit 25 are screwed on installing plate 24, when this equipment work, drive motor 18 moves, drive main drive wheel 4 to rotate, main drive wheel 4 is driven from driving wheel 17 and is rotated by wheel shaft, thereby make this equipment around the surperficial uniform rotation of pipeline 1, take-up motor 19 moves, and drives connecting line 20 to carry out take-up by speed reduction unit 25;
Wherein: elastic webbing stiff end 3 is one " recessed " shape structure, and two outstanding heads are arc, arc two ends, with projection, are fixed in " recessed " shape groove of side link 9 or rear plate 13 microcephalies, have a strip square hole in the middle of elastic webbing stiff end 3, fixing elastic webbing 2;
Described gear train comprises connecting line 20, pull bar 21, pulling force sensor 22, sensor clamping plate 23, drawstring 12, clamping plate 15, connecting line 20 is connected with pulling force sensor 22 by pull bar 21, pulling force sensor 22 is connected with drawstring 12 by sensor clamping plate 23, when take-up, connecting line 20 drives pull bar 21, pull bar 21 drives pulling force sensor 22, pulling force sensor 22 is with dynamic sensor clamping plate 23, sensor clamping plate 23 drive drawstring 12, drawstring 12 drives clamping plate 15, one end clamping drawstring 12, other end clamping anticorrosive coat 16, by four screws by clamping plate 15 and drawstring 12, anticorrosive coat 16 is fixed together, when equipment work, by speed reduction unit 25, the take-up speed of connecting line 20 is adjusted to standard-required level, coordinate the velocity of rotation of main drive wheel 4, ensure that the peel angle of anticorrosive coat 16 is all the time perpendicular to the surface of pipeline 1,
Wherein: pull bar 21, for the square structure with plush copper, is shown in Figure 12, and plush copper end is screwed on pulling force sensor 22, has aperture on square structure, is fixedly connected with line 20;
Connecting line 20 is high-strength flexible connecting line;
Described shell 5 is one " recessed " shape cover, is fixed on side link 9, and shell 5 is provided with pilot lamp 6, three 7, three control knobs 7 of control knob are followed successively by power on/off button, start button, stop button from top to bottom, and when equipment operation, pilot lamp 6 lights;
When test, for the pipeline of different tube diameters, the open angle of plate 13 and side link 9 after regulating, shrink elastic webbing 2, equipment is fixed on pipeline, then by control section, the test parameter of test is regulated, at Whole Equipment, when pipeline does uniform circular motion, clamping plate 15 clamp anticorrosive coat completes the stripping process of pipeline 3PE with the peel angle of 90 °.
As shown in figure 13, the output of converter connects the input of controller to the formation of electronic section, and the output of controller connects the input of electric machine controller, and the output of electric machine controller connects motor; Controller has button, storer, serial ports and parallel port; Power module connects controller.Serial ports and parallel port are interface module; Pulling force sensor and A/D converter are data acquisition module; The controller that has button, storer is control module.
The signal recording after A/D converter is converted to digital signal, is defeated by controller by pulling force sensor, after via controller, shows by demonstration liquid crystal board; Power module is controller power supply.
Described interface module circuit diagram as shown in figure 14, in converter U1, pin 4, pin 5 are connected with pin 4,3 inputs, the output signal of USB interface respectively, pin two 5, pin two 6 is respectively serial interface that read signal and write signal are provided, and pin 7 and pin 8 connect the pin two of USB interface; Wherein U1 is CP2103 converter.
As shown in figure 15, JP2 is alternating current interface to described power module circuitry figure, for system is for the alternating voltage of 220V; U13 is TT&C system potential circuit, and major function is the DC voltage that 220V alternating voltage is converted to 5V, for digital module provides voltage; JP2 connects the elementary of transformer T3, the secondary bridge rectifier circuit that connects of transformer T3, and the output of bridge rectifier circuit also connects voltage stabilizing diode D6, electric capacity EC12, rear IN end and the GND end that meets respectively U13 of capacitor C 33; Wherein U13 is MC7805ACT;
Described data acquisition module circuit diagram as shown in figure 16; the 4th pin of digital to analog converter P1 is connected with pulling force sensor, for receiving the pulling force voltage in when conversion, pin 3 with digitally join; 2,3 pins join with 5,6 pins of digital to analog converter U22 respectively, for correction voltage value; U22 is the acp chip digital to analog converter of Acquisition Circuit, and the clock interface of pin one and single-chip microcomputer joins, and pin two, for exporting the digital signal of pulling force, joins with Chip Microcomputer A/D DOUT pin; Pin 7 joins with reference voltage, and pin one 1 accesses the operating voltage of 5V; Wherein P1 is AD7781/20Bits;
As shown in figure 17, U10 is C8051 single-chip microcomputer to described control module circuit diagram, and pin one, pin two, pin 3, pin 4 are connected with TMS, TCK, TDI and the TDO pin of parallel port respectively, write measurement and control program for Parallel Interface Communication; Pin 5 is connected with system start button; Pin one 1 is connected with pin one 4; Pin one 2, pin one 5, pin one 6, pin one 7 are connected with reference voltage VREF; Pin two 6, pin two 7 are connected with crystal oscillator respectively, in order to clock signal to be provided; Pin two 9-pin 36 is connected with the keyboard of 4*4 respectively; Pin 37 is for inputting required 3.3V DC voltage; Pin 39, pin 40 are connected with motor respectively, for driving signal and the direction signal of motor are provided; Pin 43-pin 46 is connected with AD converter AD_FILTER, AD_GAIN, AD_DOUT, AD_SCLK pin respectively; Pin 50-pin 54 is connected with LCD_RD, LCD_CS, LCD_RST, LCD_A0, the LCD_WR pin of LCD liquid crystal display respectively, and pin 65-pin 72 is connected with D0-D7 of LCD respectively, shows in order to control liquid crystal display; Pin 59, pin 60 are connected with SCL, the SDA pin of EEPROM respectively, for reading of control store; Pin 73-pin 80 respectively drives mouth to join with motor, for the clock signal of motor is provided; Pin 81-pin 88 and pin 91-pin 98 join with spare interface respectively.
The present invention, for pipeline 3PE anticorrosive coating peeling performance provides a kind of special automatic test instrument, can reduce testing crew labour intensity, increases work efficiency.Automatic technology is applied in 3PE peel test, realize automatic real time on-line monitoring, and cost is lower.This test macro has automatically, continuously, feature timely, the state can accurately and timely grasp peel strength test time, data accuracy, repdocutbility are high, for test result provides science more, objective and accurate foundation.This equipment has the advantages such as simple to operate, durable, maintenance rate is low.
Brief description of the drawings
Figure 13 PE anticorrosive coating peeling test machine front elevation
Figure 23 PE anticorrosive coating peeling test machine side view
Figure 33 PE anticorrosive coating peeling test machine vertical view
3PE anticorrosive coating peeling test machine vertical view after Fig. 4 decapsidate
Fig. 5 clamping plate front view (FV)
Fig. 6 clamping plate outboard profile
Plate front view (FV) after Fig. 7
Plate outboard profile after Fig. 8
Fig. 9 pulling force sensor vertical view
Figure 10 installing plate vertical view
Figure 11 sensor clamping plate vertical view
Figure 12 pull bar vertical view
Figure 13 theory diagram
Figure 14 interface module circuit diagram
Figure 15 power module circuitry figure
Figure 16 data acquisition module circuit diagram
Figure 17 control module circuit diagram
Wherein 1-pipeline, 2-elastic webbing
3-elastic webbing stiff end, 4-main drive wheel
5-shell, 6-pilot lamp
7-control knob, 8-bolt
9-side link, 10-backstay
11-wheel shaft, 12-drawstring
13-rear plate 14-elastic clip sleeve-board
15-clamping plate, 16-anticorrosive coat
17-from driving wheel 18-drive motor
19-take-up motor 20-connecting line
21-pull bar, 22-pulling force sensor
23-sensor clamping plate, 24-installing plate
25-speed reduction unit, 26-check plate
Embodiment
Embodiment. also the present invention is further illustrated with this example, the specific embodiment of the present invention to be described.This example is an experimental prototype, and it forms as shown in Figure 1, Figure 2, Figure 3 and Figure 4.Comprise elastic webbing 2, elastic webbing stiff end 3, main drive wheel 4, shell 5, pilot lamp 6, control knob 7, bolt 8, side link 9, backstay 10, wheel shaft 11, drawstring 12, rear plate 13, elastic clip sleeve-board 14, clamping plate 15, from driving wheel 17, drive motor 18, take-up motor 19, connecting line 20, pull bar 21, pulling force sensor 22, sensor clamping plate 23, installing plate 24, speed reduction unit 25, check plate 26.Drive motor 18, take-up motor 19 are fixed on one end of installing plate 24, side link 9 is fixed on the both sides of installing plate 24, in the chute of pulling force sensor 22 in the middle of installing plate 24, main drive wheel 4 and one are fixed on one end of side link 9 from driving wheel, side link 9 is connected with rear plate 13 by wheel shaft, and pulling force sensor 22 is connected with clamping plate 15 by drawstring 12.
3PE anticorrosive coating peeling strength tester shell sizes is 500mm*163mm*95mm;
Installing plate is of a size of 300mm*133mm*78mm;
Pulling force sensor is of a size of 110mm*70mm*20mm;
Rear board size is 480mm*159mm*92mm;
Side link is of a size of 500mm*40mm*15mm;
Wheel shaft is of a size of length 163mm, diameter 15mm;
Backstay is of a size of length 163mm, diameter 8mm;
Elastic webbing is of a size of 5000mm*100mm;
Clamping plate are of a size of 60mm*50mm; Drawstring is of a size of 200mm*40mm.
The theory diagram of this routine circuit part is shown in Figure 13.Pulling force sensor output connects A/D converter, and the output of A/D converter connects the input of controller, and the output of controller connects the input of electric machine controller, and the output of electric machine controller connects motor; Controller has button, storer, serial ports and parallel port; Power module connects controller.Serial ports and parallel port are interface module; Pulling force sensor and A/D converter are data acquisition module; The controller that has button, storer is control module.
As shown in figure 14, as shown in figure 15, as shown in figure 16, control module circuit diagram as shown in figure 17 for data acquisition module circuit diagram for power module circuitry figure for interface module circuit diagram.The components and parts of selecting as shown in the figure.
The concrete technical parameter of this example is as follows:
1. adapt to caliber test specimen:
2. adapt to test specimen wall thickness: 5～30mm;
3. adapt to types of coatings: three layers of PE, shrink belt;
4. adapt to test specimen steel pipe: spiral weld steel pipe, straight weld steel pipe and weldless steel tube;
5. test specimen full-size: 190mm × 50mm;
6. test specimen translational speed: 0～100mm/min;
7. operating ambient temperature :-10～45 DEG C.
This example is in the time of test, for the pipeline of different tube diameters, the open angle of plate 13 and side link 9 after regulating, shrink elastic webbing 2, equipment is fixed on pipeline, then by control section to test test parameter set, at Whole Equipment when pipeline does uniform circular motion, according to standard-required, clamping plate 15 clamp anticorrosive coat completes the stripping process of pipeline 3PE smoothly with the peeling rate of 10mm/min, the peel angle of 90 °.
This example, through test, realized auto-real-time monitoring, and cost is lower.This test macro has automatically, continuously, feature timely, the state can accurately and timely grasp peel strength test time, ensures that peeling rate is uniform and stable, peel angle is always 90 °, output pulling force is accurately controlled, and facilitates portable.Eliminate the impact of human factor in original method of testing, make test data and execute-in-place there is unitarity.This equipment operating is simple, durable, maintenance rate is low, can reduce testing crew labour intensity, increases work efficiency.
Claims (16)
1. a 3PE anticorrosive coating peeling strength tester, is characterized in that it is made up of machinery and electronic section; The formation of mechanical part mainly comprises installing plate, pulling force sensor, driving mechanism, gear train four parts; Gear train is arranged on pulling force sensor, and pulling force sensor is arranged on the middle part of installing plate, and driving mechanism is arranged on one end of installing plate;
Specifically comprise elastic webbing (2), elastic webbing stiff end (3), main drive wheel (4), shell (5), pilot lamp (6), control knob (7), bolt (8), side link (9), backstay (10), wheel shaft (11), drawstring (12), rear plate (13), elastic clip sleeve-board (14), clamping plate (15), from driving wheel (17), drive motor (18), take-up motor (19), connecting line (20), pull bar (21), pulling force sensor (22), sensor clamping plate (23), installing plate (24), speed reduction unit (25), check plate (26), the drive motor (18) of driving mechanism, one end that take-up motor (19) is fixed on installing plate (24), side link (9) is fixed on the both sides of installing plate (24), pulling force sensor (22) is in the chute in the middle of installing plate (24), main drive wheel (4) and one are fixed on one end of side link (9) from driving wheel, side link (9) is connected with rear plate (13) by wheel shaft, and pulling force sensor (22) is connected with clamping plate (15) by drawstring (12),
The formation of electronic section is: the output of converter connects the input of controller, and the output of controller connects the input of electric machine controller, and the output of electric machine controller connects motor; Controller has button, storer, serial ports and parallel port; Power module connects controller; Serial ports and parallel port are interface module; Pulling force sensor and A/D converter are data acquisition module; The controller that has button, storer is control module;
The signal recording after A/D converter is converted to digital signal, is defeated by controller by pulling force sensor, after via controller, shows by demonstration liquid crystal board; Power module is controller power supply.
2. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described installing plate (24) is cuboid, center protrusion place is provided with " recessed " shape chute, both sides are fixed together by bolt (8) and side link (9), are connected and fixed by screw and " protruding " platform and drive unit near main drive wheel (4) end.
3. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described side link (9) is rectangular body, two is circular, small one and large one, microcephaly is connected from driving wheel by wheel shaft and main drive wheel (4) and one, this from driving wheel with identical from driving wheel (17), major part is connected with rear plate (13) by wheel shaft (11), side link (9) middle part has two bolts hole, be connected with installing plate (24) by bolt (8), microcephaly near elastic webbing stiff end (3) side with two " recessed " shape grooves, to fix elastic webbing stiff end (3),
Wherein: wheel shaft (11) is right cylinder, has sulculus, by register pin, rear plate (13) and side link (9) are linked together.
4. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described pulling force sensor (22) is serpentine body, be arranged in the chute of installing plate (24), be free to slide along chute, two ends perforate, one end utilizes screw steady brace (21), and is connected with connecting line (20) by pull bar (21), and the other end is connected with drawstring (12) by sensor clamping plate (23).
5. 3PE anticorrosive coating peeling strength tester according to claim 1, is characterized in that described check plate (26) is " recessed " shape baffle plate, is screwed in the chute top of installing plate (24).
6. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described rear plate (13) is dull and stereotyped " work " font, the four stature places of " work " font are circle, two is large two little, the two major part centers of circle are all on wheel shaft (11) is axial, major part is connected with side link (9) by wheel shaft (11), major part has five apertures near wheel shaft place, five aperture centers of circle are to wheel shaft distance of shaft centers from identical, the two microcephaly centers of circle are also all in axle axial, this wheel shaft is identical with wheel shaft (11), two microcephalies are connected from driving wheel (17) with two by wheel shaft, upper close elastic webbing stiff end (3) side of microcephaly is with " recessed " shape groove of two fixing elastic webbing stiff ends (3), rear plate (13) inner side is provided with elastic clip sleeve-board (14) by centre position, major part place, for clamping plate (15) being put into semi-circular recesses wherein.
7. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described clamping plate (15) are two square plates, in the middle of square plate, it is serrated-surface, when two square plates are relative, clamp drawstring (12) and anticorrosive coat (16) by serrated-surface, four jiaos of square plates respectively have four bolts hole, utilize bolt to connect.
8. 3PE anticorrosive coating peeling strength tester according to claim 1, is characterized in that described backstay (10) is right cylinder, inserts in the aperture of rear plate (13) two major parts.
9. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described driving mechanism comprises drive motor (18), take-up motor (19), speed reduction unit (25), main drive wheel (4), from driving wheel (17), elastic webbing (2), elastic webbing stiff end (3), drive motor (18), take-up motor (19), four jiaos of the bases of speed reduction unit (25) are screwed on installing plate (24), drive motor (18) is connected with main drive wheel (4), main drive wheel (4) is driven from driving wheel (17) and is rotated by wheel shaft, around the surperficial uniform rotation of pipeline (1), take-up motor (19) connection reducer (25), drive connecting line (20) to carry out take-up,
Wherein: elastic webbing stiff end (3) is one " recessed " shape structure, two outstanding heads are arc, arc two ends are with projection, be fixed in " recessed " shape groove of side link (9) or rear plate (13) microcephaly, in the middle of elastic webbing stiff end (3), there is a strip square hole, fixing elastic webbing (2);
Elastic webbing (2) is flexible wear connecting band, is wrapped in pipeline (1) upper, and two is connected with elastic webbing stiff end (3).
10. 3PE anticorrosive coating peeling strength tester according to claim 1, it is characterized in that described gear train comprises connecting line (20), pull bar (21), pulling force sensor (22), sensor clamping plate (23), drawstring (12), clamping plate (15), connecting line (20) is connected with pulling force sensor (22) by pull bar (21), pulling force sensor (22) is connected with drawstring (12) by sensor clamping plate (23), when take-up, connecting line (20) drives pull bar (21), pull bar (21) drives pulling force sensor (22), pulling force sensor (22) band dynamic sensor clamping plate (23), sensor clamping plate (23) drive drawstring (12), drawstring (12) drives clamping plate (15), one end clamping drawstring (12), other end clamping anticorrosive coat (16), by four screws by clamping plate (15) and drawstring (12), anticorrosive coat (16) is fixed together, by speed reduction unit (25), the take-up speed of connecting line (20) is adjusted to standard-required level, coordinate the velocity of rotation of main drive wheel (4), the peel angle that makes anticorrosive coat (16) is all the time perpendicular to the surface of pipeline (1),
Wherein: pull bar (21) is the square structure with plush copper, and it is upper that plush copper end is screwed in pulling force sensor (22), has aperture on square structure, is fixedly connected with line (20); Connecting line (20) is high-strength flexible connecting line.
11. 3PE anticorrosive coating peeling strength testers according to claim 1, it is characterized in that sensor clamping plate (23) are for " recessed " shape structure with plush copper, structural two square plates of " recessed " shape, the middle zigzag structure for clamping drawstring (12), four jiaos respectively have a bolt hole, it is upper that plush copper end is screwed in pulling force sensor (22), other end clamping drawstring (12);
Wherein drawstring (12) is flexible wear connecting band.
12. 3PE anticorrosive coating peeling strength testers according to claim 1, it is characterized in that described shell (5) is one " recessed " shape cover, be fixed on side link (9), shell (5) is provided with pilot lamp (6), three control knobs (7), and three control knobs (7) are followed successively by power on/off button, start button, stop button from top to bottom.
13. 3PE anticorrosive coating peeling strength testers according to claim 1, it is characterized in that described interface module circuit is: in converter U1, pin 4, pin 5 are inputted with pin 4, the pin 3 of USB interface respectively, output signal is connected, pin two 5, pin two 6 is respectively serial interface that read signal and write signal are provided, and pin 7 and pin 8 connect the pin two of USB interface; Wherein U1 is CP2103 converter.
14. 3PE anticorrosive coating peeling strength testers according to claim 1, is characterized in that described power module circuitry is: JP2 is alternating current interface, for system is for the alternating voltage of 220V; U13 is TT&C system potential circuit, and major function is the DC voltage that 220V alternating voltage is converted to 5V, for digital module provides voltage; JP2 connects the elementary of transformer T3, the secondary bridge rectifier circuit that connects of transformer T3, and the output of bridge rectifier circuit also connects voltage stabilizing diode D6, electric capacity EC12, rear IN end and the GND end that meets respectively U13 of capacitor C 33; Wherein U13 is MC7805ACT.
15. 3PE anticorrosive coating peeling strength testers according to claim 1; it is characterized in that described data acquisition module circuit is: the 4th pin of digital to analog converter P1 is connected with pulling force sensor; voltage while conversion for receiving pulling force; pin 3 with digitally join; pin two, pin 3 join with pin 5, the pin 6 of digital to analog converter U22 respectively, for correction voltage value; U22 is the acp chip digital to analog converter of Acquisition Circuit, and the clock interface of pin one and single-chip microcomputer joins, and pin two, for exporting the digital signal of pulling force, joins with Chip Microcomputer A/D DOUT pin; Pin 7 joins with reference voltage, and pin one 1 accesses the operating voltage of 5V; Wherein P1 is AD7781/20Bits.
16. 3PE anticorrosive coating peeling strength testers according to claim 1, it is characterized in that described control module circuit is: U10 is C8051 single-chip microcomputer, pin one, pin two, pin 3, pin 4 are connected with TMS, TCK, TDI and the TDO pin of parallel port respectively, write measurement and control program for Parallel Interface Communication; Pin 5 is connected with system start button; Pin one 1 is connected with pin one 4; Pin one 2, pin one 5, pin one 6, pin one 7 are connected with reference voltage VREF; Pin two 6, pin two 7 are connected with crystal oscillator respectively, and clock signal is provided; Pin two 9-pin 36 is connected with the keyboard of 4*4 respectively; Pin 37 is for inputting required 3.3V DC voltage; Pin 39, pin 40 are connected with motor respectively, and driving signal and the direction signal of motor is provided; Pin 43-pin 46 is connected with AD converter AD_FILTER, AD_GAIN, AD_DOUT, AD_SCLK pin respectively; Pin 50-pin 54 is connected with LCD_RD, LCD_CS, LCD_RST, LCD_A0, the LCD_WR pin of LCD liquid crystal display respectively, and pin 65-pin 72 is connected with D0-D7 of LCD respectively, controls liquid crystal display and shows; Pin 59, pin 60 are connected with SCL, the SDA pin of EEPROM respectively, the reading of control store; Pin 73-pin 80 respectively drives mouth to join with motor, and the clock signal of motor is provided; Pin 81-pin 88 and pin 91-pin 98 join with spare interface respectively.
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| CN201210590993.3A CN103900952B (en) | 2012-12-28 | 2012-12-28 | 3PE anticorrosive coating peel strength test machine |
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| CN107505261A (en) * | 2017-09-20 | 2017-12-22 | 广州特种承压设备检测研究院 | Carry peel strength test fixture, test system and its method of testing |
| CN107727572A (en) * | 2017-11-18 | 2018-02-23 | 北京筑之杰建筑工程检测有限责任公司 | Fiberglass tyre asphalt tile lamination peeling strength test fixture and test method |
| CN109277375A (en) * | 2018-09-26 | 2019-01-29 | 张小伟 | Moss processing unit inside plastic water pipe station-service plastic water pipe |
| CN109297904A (en) * | 2018-11-22 | 2019-02-01 | 安工腐蚀检测实验室科技（无锡）有限公司 | A kind of experimental rig and test method for evaluating anticorrosive coating peeling intensity |
| CN113959941A (en) * | 2021-10-19 | 2022-01-21 | 常州都铂高分子有限公司 | Peeling viscosity detection device and detection method for adhesive tape with re-peeling property |
| CN116293484A (en) * | 2023-05-24 | 2023-06-23 | 山东泰阳特种设备检测科技有限公司 | Buried pipeline flaw detection device |
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| CN107505261A (en) * | 2017-09-20 | 2017-12-22 | 广州特种承压设备检测研究院 | Carry peel strength test fixture, test system and its method of testing |
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| CN109277375A (en) * | 2018-09-26 | 2019-01-29 | 张小伟 | Moss processing unit inside plastic water pipe station-service plastic water pipe |
| CN109297904A (en) * | 2018-11-22 | 2019-02-01 | 安工腐蚀检测实验室科技（无锡）有限公司 | A kind of experimental rig and test method for evaluating anticorrosive coating peeling intensity |
| CN113959941A (en) * | 2021-10-19 | 2022-01-21 | 常州都铂高分子有限公司 | Peeling viscosity detection device and detection method for adhesive tape with re-peeling property |
| CN116293484A (en) * | 2023-05-24 | 2023-06-23 | 山东泰阳特种设备检测科技有限公司 | Buried pipeline flaw detection device |
| CN116293484B (en) * | 2023-05-24 | 2023-07-21 | 山东泰阳特种设备检测科技有限公司 | Buried pipeline flaw detection device |
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