CN101629874B

CN101629874B - Concrete cut sampling machine

Info

Publication number: CN101629874B
Application number: CN2009103051292A
Authority: CN
Inventors: 史才军; 何富强
Original assignee: Hunan University
Current assignee: Hunan University
Priority date: 2009-08-03
Filing date: 2009-08-03
Publication date: 2010-12-08
Anticipated expiration: 2029-08-03
Also published as: CN101629874A

Abstract

The invention discloses a concrete cut sampling machine. A transmission motor is connected with a transmission gear set; the transmission gear set drives a test specimen clamping chuck and a transmission screw rod outside a transmission device box to rotate; two guide rails are arranged on the transmission screw rod; a big support plate arranged on the guide rails is movably connected with the guide rails by a transmission screw sleeve; a small support plate is installed on the big support plate; a cutting tool clamping platform is installed on the small support plate; a powder collecting device is arranged outside the cutting tool clamping platform; the small support plate is controlled by a stepping motor to move between two traveling switches at both ends of the big support plate; and the starting or the shutting of the stepping motor is controlled by a longitudinal feed control device. The invention can set parameters according to the actual condition, ensure the uniformity and the accuracy of sampling, can be fully automatically operated, and has time and labor saving, high efficiency, no dust pollution, clean and sanitary environment, economy and utility.

Description

A kind of concrete cut sampling machine

Technical field

The present invention relates to a kind of concrete cut sampling machine.

Background technology

The permanance major part of xoncrete structure is to be caused by steel bar corrosion at present, and the main cause of steel bar corrosion is to be corroded by the chlorion that the external world penetrates into to produce.Therefore, it is particularly important to the permanance of xoncrete structure under Yu Haiyang and other chloride environment to estimate the migrate attribute of chlorion in concrete, need successively take a sample at interval with certain depth and carry out Determination of chlorine ion content in the concrete.Available coagulation soil sampling method has four kinds: the one, and bore core and get the powder method, " permanance, mechanism and the life forecast method of area, salt lake high performance concrete " [D] Nanjing of China for example, Southeast China University, 2004, Yu Hongfa; It is to choose on the cross section what time get powder by certain depth brill core with drilling machine, and big but this brill point is chosen human factor, test findings is relevant with quantity because of boring the some position, can not truly represent the true chloride ion content value of certain length of penetration; The 2nd, with the successively dried powder that cuts of cutting machine, many laboratories adopt general makita 4100NH that the concrete different depth is cut into slices, and then section are broken into pieces, is milled, and artificial consumption figure is very big, and efficient is low.Since need should and the concrete sheet, edge of a knife dust is very big, work under bad environment, and edge of a knife powder can not collect, and adds the manual measurement sampling depth causes the sampling size can't be accurate; The 3rd, artificial file successively exchanges views concrete powder, for example " estimates the new method that concrete chloride ion distributes ", the 38th the 2nd phase of volume of journal of Zhejiang university (engineering version), Jin Weiliang, Zhang Yuanzhu; Its sampling depth of this manual measurement, the labour consumes greatly, and efficient is extremely low, and sampling size is accurate inadequately; The 4th, the sampling grinding machine, for example, " the Chinese Changsha of fundamental research [D] of chlorion migration test method in the cement-based material, Central South University, 2009, unit is strong; Degree of depth of its mill sample thief of this method is by relatively rotating movement and the handle cover layer is controlled, manually-operated during grind away, and labour's consumption is bigger, grind away is slower, the collection powder is time-consuming, and cutter costs an arm and a leg, the situation bottom tool wearing valve height of therefore same sampling amount.

Summary of the invention

The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of concrete cut sampling machine is provided.To realize continuous step section sampling, guarantee the homogeneity and the accuracy of sampling; Increase work efficiency; There is not dust pollution, the purpose of environment clean hygiene.

Technical scheme of the present invention is: comprise base, be located at the gearing case above the base, be contained in the driving motor in the gearing case, it is characterized in that, driving motor is connected with driving gear set, driving gear set drives the test specimen clamping chuck and the drive lead screw rotation of gearing case outside, above drive lead screw, be provided with two guide rails, the saddle that is located at above the guide rail flexibly connects by transmission swivel nut and guide rail, upper slide rest is housed above the saddle, the cutting tool grain-clamping table is housed above upper slide rest, outside at the cutting tool grain-clamping table is provided with powder collection device, described upper slide rest is moved between two travel switches of saddle two ends by step motor control, and stepper motor opens or closes by the control of length feed control device.

End at saddle is provided with saddle transverse movement joystick and the automatic motion control handle of saddle.

End at upper slide rest is provided with the manual joystick of upper slide rest.

Described gearing case outside is provided with the parameter display instrument, rotates speed-regulating switch, power switch, brake hard switch.

Described test specimen clamping chuck outside is provided with dust cover.

The present invention can adopt chuck clamping test specimen to make it can control rotating speed and change between 0-2500 rev/min according to the actual conditions setup parameter.One deck test specimen of 0.025mm-5mm thickness can be cut into powder, the scope of its particle diameter can be regulated by the rotating speed that changes rotating disk.Every layer of test specimen can cut one deck test specimen fully becomes powder, guarantees the homogeneity and the accuracy of sampling; After setting corresponding parameters simultaneously, just can full automatic working, save trouble, laborsaving, efficient is high; Be provided with special powder collection device and dust cover, not only can guarantee the accurate collection of edge of a knife sample, also not have a dust pollution, environment clean hygiene; Cutting tool adopts the ordinary machine tool alloy cutter, and is economical and practical.

Description of drawings

Fig. 1 is a forward sight structural representation of the present invention;

Fig. 2 is the plan structure synoptic diagram of Fig. 1.

Among the figure: 1 gearing case, 2 parameter display instruments, 3 dust cover, 4 test specimen clamping chucks, 5 powder collection devices, 6 cutting tool grain-clamping tables, 7 saddle transverse movement joysticks, 8 drag automatic motion control handle greatly, the manual joystick of 9 upper slide rests, 10 upper slide rests, 11 saddles, 12 lathe beds support, 13 guide rails, 14, drive lead screw, 15 lathe bed supporting leg seats, 16 cutter bases, 17 saddles and drive lead screw connection handle, 18 transmission swivel nuts, 19 rotate speed-regulating switch, 20 power switches, 21 brake hard switches, 22 stepper motors, 23 length feed control device, 24 travel switches, 25 motor, 26 gear sets.

Embodiment

The invention will be further described below in conjunction with accompanying drawing.

With reference to accompanying drawing: gearing case 1 is located at above the base 16, driving motor 25 and driving gear set 26 are housed in the gearing case, driving motor 25 and driving gear set 26 drive gearing casees 1 outer and drive lead screw 14 and 4 rotations of test specimen clamping chuck, be provided with lathe bed supporting leg seat 15 between drive lead screw 14 and the base 16, be provided with dust cover 3 in test specimen clamping chuck 4 outsides, above drive lead screw, be provided with two guide rails 13, be provided with lathe bed between guide rail and the lathe bed supporting leg seat and support 12, saddle 11 on guide rail flexibly connects by transmission swivel nut 8 and guide rail 13, saddle 11 is connected with drive lead screw by connection handle 17 and is laterally slided along guide rail by drive lead screw control, end at saddle 11 is provided with saddle transverse movement joystick 7 and the automatic motion control handle 8 of saddle, upper slide rest 10 is housed on saddle, cutting tool grain-clamping table 6 is housed above upper slide rest 10, is provided with powder collection device 5 in the outside of cutting tool grain-clamping table 6; End at upper slide rest 10 is provided with the manual joystick 9 of upper slide rest, and cutting tool grain-clamping table 6 is housed above upper slide rest.Upper slide rest 10 is controlled at by stepper motor 22 between two travel switches 24 of saddle two ends and moves, and stepper motor 22 is controlled by length feed control device 23.

Be provided with parameter display instrument 2 in gearing case 1 outside. rotate speed-regulating switch 19, power switch 20., brake hard switch 21.

Earlier concrete sample is clamped on the test specimen clamping chuck 4 before using, bores holding screw by choosing, the pawl of chuck eases out automatically or tightly goes into, and chuck 4 is divided into three-jaw and four-jaw chuck, respectively can clamping circle (or semicircle) and square test specimen.Cutting tool is put into cutter groove on the cutting tool grain-clamping table 6, and screwing holding screw can be held in tool-holder on the cutter grain-clamping table 6.Power-on switch 20 is adjusted rotating speed and is adjusted switch 19, reads the rotating speed of setting on parameter display instrument 2.At this moment, test specimen clamping chuck 4 all rotates under driving motor 25 and driving gear set 26 drives with drive lead screw 14, saddle transverse movement handle 8 with cutter near the test specimen end face, start length feed control device 23, upper slide rest 10 is controlled at by stepper motor 22 between two travel switches 24 of saddle two ends and moves.Behind the about 5mm of cutting tool length feed, close length feed control device 23, open saddle and move joystick 8 automatically, saddle is in transverse movement automatically on two guide rails 13 under the cooperation of drive lead screw 14 and transmission swivel nut 18, after the saddle 11 i.e. drive drive of horizontal operation automatically cutters remove cutting outside the test specimen edge saddle being moved joystick 8 automatically closes, adjusting saddle 11 by saddle transverse movement joystick 7 makes the point of a knife of cutting tool can touch the test specimen end face just, as the zero-base point, close the automatic motion control handle 8 of saddle this moment, the fixing position of saddle 11, the fixing position of cutting tool, starting length feed control device 23 touches to travel switch 24 automatic out of service ending upper slide rest, this moment, the cutting tool point of a knife moved to the test specimen outside, make the cutting tips certain distance [as 2mm] that crosses feed by rotation upper slide rest manual joystick 9, opening length feed control device 23 then cuts and gets powder, being cut to upper slide rest touching travel switch ends, the sample that this layer cuts into powder is scattered in the powder collection device 5 under the protection of dust cover 3, gathering-device 5 has certain gradient, be drilled with collection hole at lowest part, because the slight vibration during cutting, powder glides along the gradient and flows to collection hole, places collection container and collect this powder and just can be used for the chemical constitution analysis of experiments below collection hole.

Claims

1. concrete cut sampling machine, comprise base, be located at the gearing case above the base, be contained in the driving motor in the gearing case, it is characterized in that, driving motor is connected with driving gear set, driving gear set drives the test specimen clamping chuck and the drive lead screw rotation of gearing case outside, above drive lead screw, be provided with two guide rails, the saddle that is located at above the guide rail flexibly connects by transmission swivel nut and guide rail, saddle is connected with drive lead screw by connection handle and is laterally slided along guide rail by drive lead screw control, upper slide rest is housed above the saddle, the cutting tool grain-clamping table is housed above upper slide rest, outside at the cutting tool grain-clamping table is provided with powder collection device, described upper slide rest is moved between two travel switches of saddle two ends by step motor control, and stepper motor opens or closes by the control of length feed control device.

2. concrete cut sampling machine according to claim 1 is characterized in that, is provided with saddle transverse movement joystick and the automatic motion control handle of saddle at an end of saddle.

3. concrete cut sampling machine according to claim 1 is characterized in that, is provided with the manual joystick of upper slide rest at an end of upper slide rest.

4. concrete cut sampling machine according to claim 1 is characterized in that, described gearing case outside is provided with the parameter display instrument, rotates speed-regulating switch, power switch, brake hard switch.

5. concrete cut sampling machine according to claim 1 is characterized in that, described test specimen clamping chuck outside is provided with dust cover.