CN100401016C - Automatic centering auxiliary device for multiple caliber plastic pipe online supersonic thickness measuring instrument - Google Patents
Automatic centering auxiliary device for multiple caliber plastic pipe online supersonic thickness measuring instrument Download PDFInfo
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- CN100401016C CN100401016C CNB2006100292325A CN200610029232A CN100401016C CN 100401016 C CN100401016 C CN 100401016C CN B2006100292325 A CNB2006100292325 A CN B2006100292325A CN 200610029232 A CN200610029232 A CN 200610029232A CN 100401016 C CN100401016 C CN 100401016C
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- pulley mechanism
- right sides
- automatic centering
- audiogage
- plastic pipe
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Abstract
The present invention relates to a kind of auxiliary automatic centering device for on-line measurement of plastic pipe in a supersonic thickness measuring instrument. The auxiliary automatic centering device consists of one middle pulley mechanism with adjustable height to contact the lower central bottom wall and one right-left pulley mechanism with adjustable interval to contact the lower side walls. It realizes the three points centering on the measured plastic pipe so as to realize the centering of the plastic pipe to the supersonic thickness measuring instrument. The present invention has high detection precision and is suitable for detecting plastic pipes of different calibers without need frequent replacement.
Description
Technical field
The present invention relates to a kind of mechanism centralising device, the online and audiogage automatic centring device of particularly a kind of multiple caliber plastic pipe.
Background technology
Audiogage adopts ultrasonic pulse echo method to measure the tested pipeline wall thickness, promptly utilize ultrasonic probe that plastic tube wall is sent a ultrasonic pulse, successively receive pulsating wave by outer surface of tube wall and inside surface reflected back, distance values between these two pulsating waves has just reflected the thickness information of tube wall, then can obtain the actual value of pipe thickness more as calculated.Utilize the ultrasonic thickness measurement device of this method development, the problem that is easy to generate is: in the production run since pipeline and audiogage multichannel pop one's head between the deviation of position, cause ultrasonic probe can't receive the back reflective pulsating wave, thereby influence the normal operation of whole detection device.Based on this problem, U.S. Pat 2006051447 provides a solution, and its device comprises inlet pipe mouth and adjustable caliber calibration circle, and the calibration circle is made up of crooked steel bar, stretches or adjustable homogeneous tube is directly when shortening.The weak point of this device is to be subjected to the restriction of inlet pipe mouth and stretching distance, must provide the inlet pipe mouth of various models and adjustable caliber calibration circle to adapt to the big pick-up unit of caliber variation range, and complex structure, and cost is than higher.In addition, these patents all are to adapt to tested pipeline with pick-up unit, promptly adjust pick-up unit, and its center is overlapped with the center of tested pipeline.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, easy to use, all kinds of differences be can adapt to and the multiple caliber plastic pipe and the audiogage automatic centering servicing unit in mouth of pipe footpath moulded, by adjusting pipeline location, the center that the multichannel probe of annular distribution is constituted coincides with the center of tested pipeline, to guarantee the detection degree of accuracy.
For achieving the above object, design of the present invention is: adopt three-point fox method, interaction by between three pulleys and the tested plastic conduit outer wall limits and adjusts the relative position between measured plastic tube and the pick-up unit, realizes moulding the coincidence of pipe axis and measuring thickness device central point.Since plastic conduit when extrusion machinery is extruded its position elementary sum be suitable for measuring thickness device, automatic centring device role of the present invention is fine setting, make tested pipeline and pick-up unit realize centering, so the power that three pulleys are suffered is also little, can realize the function of its restriction and adjustment fully, not mould the pipe distortion or produce vestige and can not cause.
In order to guarantee that three pulleys can realize its accurate centering, at first this centralising device and measuring thickness device are fixed on the same pedestal, prevent moving of working site and cause deviation.Then, the central point of middle pulley should remain on the vertical centering control axis, and the position of left and right sides pulley should keep equal to the distance of vertical centering control axis, otherwise will cause departing from of plastic conduit.Respectively place a nested structure in the front and back of measuring thickness device, measure-alike center support system can guarantee its centering accuracy to greatest extent.
In order to adapt to the detection of different tube diameters, the one, change left and right sides pulley according to measured plastic tube.Specifically, middle pulley is as long as guarantee that contact radian maximum is just passable, and big plastic conduit surface of contact is big, and little plastic conduit surface of contact point does not influence the normal operation of device, and the size of left and right sides pulley need be mated tested pipeline.The 2nd, middle pulley can be adjusted the position at the assurance central point up and down on the basis of vertical centering control axis, to adapt to different tube diameters.The 3rd, left and right sides pulley is separately fixed on the support of the left and right sides, and support is fixed on the respective slide separately, and slide block can move in horizontal concrete chute, thereby drives the adjustment of left and right sides pulley position.
About the realization of automatic centering, be mainly reflected in the equidistant relatively slip of left and right sides support.When Installation and Debugging, according to the plastic conduit bore of correspondence, realize the equidistant relative slip of left and right sides support by the two-way connecting rod of pulling rhombus, to adjust by the time after the position, the nut of tightening connecting rod twisting place fixes the position of left and right sides support.
Be noted that moulding the pipe production line for one can frequently not change the production bore, meaning does not need frequently to adjust left and right sides backing positions yet, in case may all need not change in the some months after fixing and the debugging operate as normal.But feature of the present invention is the needs that the plastic conduit of all kinds of bores of this device simultaneous adaptation detects, and need not consider the model problem of pick-up unit.
According to above-mentioned inventive concept, the present invention adopts following technical proposals:
Online and the audiogage automatic centering servicing unit of a kind of multiple caliber plastic pipe, form by the adjustment height middle pulley mechanism of diapire under the auxiliary automatic centering device center and the adjustable distance left and right sides pulley mechanism of auxiliary automatic centering device left and right sides lower wall, the middle pulley of described adjustment height middle pulley mechanism constitutes with the left and right sides pulley of described adjustable distance left and right sides pulley mechanism conflicts and forms 3 centerings circumferential 3 of measured plastic tube outer wall, thereby realizes measured plastic tube and hard-wired audiogage centering.
The structure of above-mentioned adjustment height middle pulley mechanism is: the endoporus of two vertically arranged screw rod bases in measured plastic tube axis, one of each suit revolves the threaded rod of joining, nut support is in the last end face of screw rod base, bearing support of the epimere suit of every threaded rod, two bearing supports are supporting the two ends rotating shaft of middle pulley respectively.
The structure of above-mentioned adjustable distance left and right sides pulley mechanism is: have on the base respectively perpendicular to horizontal concrete chute that is parallel to the measured plastic tube axis and vertical chute, in horizontal concrete chute nested about two slide blocks, about two slide blocks fixedly connected respectively about two supports, about two supports support respectively about the wheel shaft of two pulleys; In vertical chute, two gib screws of front and back slip inserting, by two connecting rods with two slide blocks and two gib screws (4) hinge diamondwise centering pitch-changing mechanism.
Above-mentioned multiple caliber plastic pipe is online with mounting structure audiogage automatic centering servicing unit to be: fixedly mount audiogage moulding moulding in the water tank of pipe extrusion machinery outlet the place ahead of pipe production line, make its suit measured plastic tube, respectively settling an adjustment height middle pulley mechanism and an adjustable distance left and right sides pulley mechanism near on the side ground, front and back of water tank.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: among the present invention, adopt the middle pulley of adjustment height and the left and right sides pulley of adjustable distance, to moulding circumferential 3 conflicts of pipe, form 3 centerings, realization to mould the pipe position fine setting, thereby with hard-wired audiogage automatic centering, can guarantee the detection degree of accuracy.This device is applicable to the moulding the pipe detection of various bores and need not frequently to change this servicing unit.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the left view of Fig. 1 example.
Fig. 3 is the structural representation of the rhombus centering pitch-changing mechanism in Fig. 1 example.
Embodiment
A preferred embodiment of the present invention is: referring to Fig. 1 and Fig. 2, online and the audiogage automatic centering servicing unit of this multiple caliber plastic pipe, form at left and right sides pulley mechanism by the adjustment height middle pulley mechanism of diapire under auxiliary automatic centering device 12 centers and the adjustable distance of auxiliary automatic centering device 12 left and right sides lower wall, the middle pulley 9 of described adjustment height middle pulley mechanism 21 and the left and right sides pulley 10a of described adjustable distance left and right sides pulley mechanism, 10b constitutes together to circumferential 33 centerings of formation of conflicting of measured plastic tube 12 outer walls, thereby realizes measured plastic tube 12 and hard-wired audiogage 13 centerings.The structure of above-mentioned adjustment height middle pulley mechanism is: two endoporus with the vertically arranged screw rod base 3 in measured plastic tube 12 axis, one of each suit revolves the threaded rod 5 of joining, nut 6 is supported on the last end face of screw rod base 3, the two ends rotating shaft that 16, two bearing supports 16 of bearing support of the epimere suit of every threaded rod 5 are supporting middle pulley 9 respectively.Referring to Fig. 1, Fig. 2 and Fig. 3, the structure of above-mentioned adjustable distance left and right sides pulley mechanism is: have on base 7 respectively perpendicular to horizontal concrete chute 1 that is parallel to measured plastic tube 12 axis and vertical chute 18, in horizontal concrete chute 1 nested about two slide blocks 20, about two slide blocks 20 fixedly connected respectively about two supports 15, about two supports 15 support respectively about the wheel shaft 14 of two pulley 10a, 10b; In vertical chute 18, two gib screws 4 of front and back slip inserting, by two connecting rods 19 with two slide blocks 20 and two gib screw 4 hinge diamondwise centering pitch-changing mechanisms.Referring to Fig. 2 and Fig. 1, this multiple caliber plastic pipe is online with mounting structure audiogage automatic centering servicing unit to be: moulding the fixed installation audiogage 13 in the water tank 8 of pipe extrusion machinery outlet the place ahead of moulding of pipe production line, make its suit measured plastic tube 12, respectively settling an adjustment height middle pulley mechanism 21 and an adjustable distance left and right sides pulley mechanism near on the side ground, front and back of water tank 8.Probe 17 described installation sites are aimed at and are moulded the tube hub line in the audiogage shown in Fig. 2 13.
Claims (4)
- A multiple caliber plastic pipe online with audiogage automatic centering servicing unit, it is characterized in that this servicing unit is made up of the adjustment height middle pulley mechanism of diapire under auxiliary automatic centering device (12) center and the adjustable distance left and right sides pulley mechanism of auxiliary automatic centering device (12) left and right sides lower wall, the middle pulley (9) of described adjustment height middle pulley mechanism and the left and right sides pulley (10a of described adjustable distance left and right sides pulley mechanism, 10b) constitute together, thereby realize measured plastic tube (12) and hard-wired audiogage (13) centering circumferential 33 centerings of formation of conflicting of measured plastic tube (12) outer wall.
- 2. the online and audiogage automatic centering servicing unit of multiple caliber plastic pipe according to claim 1, the structure that it is characterized in that described adjustment height middle pulley mechanism is: two endoporus with measured plastic tube (12) the vertically arranged screw rod base in axis (3), one of each suit revolves the threaded rod (5) of joining, nut (6) is supported on the last end face of screw rod base (3), a bearing support of the epimere suit of every threaded rod (5) (16), two bearing supports (16) are supporting the two ends rotating shaft of middle pulley (9) respectively.
- 3. the online and audiogage automatic centering servicing unit of multiple caliber plastic pipe according to claim 1, the structure that it is characterized in that described adjustable distance left and right sides pulley mechanism is: have on the base (7) respectively perpendicular to horizontal concrete chute (1) that is parallel to measured plastic tube (12) axis and vertical chute (18), in horizontal concrete chute (1) nested about two slide blocks (20), about two slide blocks (20) respectively fixedly connected about two supports (15), about two supports (15) support respectively about the wheel shaft (14) of two pulleys (10a, 10b); In vertical chute (18), two gib screws of front and back slip inserting (4), by two connecting rods (19) with two slide blocks (20) and two gib screws (4) hinge diamondwise centering pitch-changing mechanism.
- According to claim 1 or 2 or 3 described multiple caliber plastic pipes online with audiogage automatic centering servicing unit, it is characterized in that mounting structure is: moulding the fixed installation audiogage (13) in pipe extrusion machinery outlet the place ahead water tank (8) of moulding of pipe production line, make its suit measured plastic tube (12), respectively settling an adjustment height middle pulley mechanism and an adjustable distance left and right sides pulley mechanism near on the side ground, front and back of water tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100292325A CN100401016C (en) | 2006-07-21 | 2006-07-21 | Automatic centering auxiliary device for multiple caliber plastic pipe online supersonic thickness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100292325A CN100401016C (en) | 2006-07-21 | 2006-07-21 | Automatic centering auxiliary device for multiple caliber plastic pipe online supersonic thickness measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945206A CN1945206A (en) | 2007-04-11 |
| CN100401016C true CN100401016C (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100292325A Expired - Fee Related CN100401016C (en) | 2006-07-21 | 2006-07-21 | Automatic centering auxiliary device for multiple caliber plastic pipe online supersonic thickness measuring instrument |
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| CN (1) | CN100401016C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003951B (en) * | 2009-09-01 | 2013-01-02 | 黄石新兴管业有限公司 | All-pipe water immersion type ultrasonic automatic detector for nodular cast iron pipes |
| CN108490121A (en) * | 2018-03-09 | 2018-09-04 | 无锡市锡东橡塑机械有限公司 | A kind of pipeline inspection holder |
| CN111504197B (en) * | 2020-05-25 | 2021-08-06 | 太原理工大学 | Scraper conveyor sprocket gear image centering device based on machine vision |
| CN111879266B (en) * | 2020-08-06 | 2021-11-19 | 中国建筑第二工程局有限公司 | Assembled steel construction building fire retardant coating thickness detects instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450726A (en) * | 1990-06-19 | 1992-02-19 | Fuji Electric Co Ltd | Electromagnetic flowmeter |
| JPH073862A (en) * | 1993-06-18 | 1995-01-06 | C S Engineers:Kk | Wedge-shaped one piece type foundation material |
| CN2554595Y (en) * | 2002-07-23 | 2003-06-04 | 中国铝业股份有限公司 | Rotary kiln axial dynamic measurement device |
| CN2734402Y (en) * | 2004-06-08 | 2005-10-19 | 张农春 | Adjustable center frame |
-
2006
- 2006-07-21 CN CNB2006100292325A patent/CN100401016C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450726A (en) * | 1990-06-19 | 1992-02-19 | Fuji Electric Co Ltd | Electromagnetic flowmeter |
| JPH073862A (en) * | 1993-06-18 | 1995-01-06 | C S Engineers:Kk | Wedge-shaped one piece type foundation material |
| CN2554595Y (en) * | 2002-07-23 | 2003-06-04 | 中国铝业股份有限公司 | Rotary kiln axial dynamic measurement device |
| CN2734402Y (en) * | 2004-06-08 | 2005-10-19 | 张农春 | Adjustable center frame |
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|---|---|
| CN1945206A (en) | 2007-04-11 |
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Granted publication date: 20080709 Termination date: 20110721 |