CN102728662B - A kind of calibration equipment for steel pipe nozzle - Google Patents
A kind of calibration equipment for steel pipe nozzle Download PDFInfo
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- CN102728662B CN102728662B CN201110080592.9A CN201110080592A CN102728662B CN 102728662 B CN102728662 B CN 102728662B CN 201110080592 A CN201110080592 A CN 201110080592A CN 102728662 B CN102728662 B CN 102728662B
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- steel pipe
- cylinder pressure
- fluid cylinder
- pipe nozzle
- correcting fluid
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Abstract
The invention discloses a kind of calibration equipment for steel pipe nozzle, comprise the correcting fluid cylinder pressure that can stretch into steel pipe nozzle, the control device of the hoisting mechanism driving described correcting fluid cylinder pressure to move up and down and the movement travel for the piston rod that controls described correcting fluid cylinder pressure, floating compensation device is provided with between the cylinder body of described correcting fluid cylinder pressure and described hoisting mechanism, the end of the piston rod of described correcting fluid cylinder pressure and the cylinder body of described correcting fluid cylinder pressure are respectively equipped with the inwall force of described steel pipe nozzle away from the end of described piston rod thus correct the correcting tool of steel pipe nozzle, described correcting fluid cylinder pressure is also provided with the checkout gear of the displacement for detecting described piston rod, described checkout gear is connected with described control device.Calibration equipment for steel pipe nozzle of the present invention overcomes existing calibration equipment for steel pipe nozzle calibration result difference and the shortcoming of complicated operation, provides a kind of calibration accuracy and calibration equipment for steel pipe nozzle simple to operate.
Description
Technical field
The present invention relates to a kind of calibration equipment.Be specially a kind of calibration equipment for steel pipe nozzle.
Background technology
Steel pipe is in the process transported, store and use, and its mouth of pipe Chang Yin is extruded stressed and produces certain mistake circle phenomenon, becomes oval, affects its installation and uses.The general mouth of pipe of jack pair steel pipe that adopts corrects at present, publication number is the device that the Chinese patent literature of CN201353597Y discloses a kind of correcting ovality of circular steel tube, by framework, platform, track, hydraulic jack, internal fixation plate and outer stationary plates composition, framework is rectangular bar of steel structure, platform is steel plate, be laid on framework, track is fixed along platform central axis, hydraulic jack lower base matches with track, the working end of hydraulic jack and platform axle line parallel, direction order along hydraulic jack working end on platform is provided with internal fixation plate and outer stationary plates.The device of this correcting ovality of circular steel tube, is located with outer stationary plates and internal fixation plate, the position pressurization corrected needs with the working end of hydraulic jack, makes round steel pipe produce deformation, reaches the object of calibration ellipsometer circularity.When adopting this device correction steel pipe, wayward to the operation of jack, calibration result is poor, the problem very easily producing undercorrection or correct too, wherein corrects and too can damage the mouth of pipe thus produce waste.
In addition, the device of above-mentioned correcting ovality of circular steel tube is carrying out timing to steel pipe, steel pipe need be placed on platform and also fix with internal fixation plate and outer stationary plates, and some large-scale steel pipe volumes is large, weight is difficult to greatly place it on platform.In addition, some have completed the steel pipe timing of installation, need steel pipe to disassemble.Therefore, correction work amount is large, operating difficulties is complicated to adopt the device of above-mentioned correcting ovality of circular steel tube to carry out steel pipe.
Summary of the invention
The technical problem that the present invention solves is to overcome existing calibration equipment for steel pipe nozzle calibration result difference and the shortcoming of complicated operation, provides a kind of calibration accuracy and calibration equipment for steel pipe nozzle simple to operate.
Calibration equipment for steel pipe nozzle provided by the invention, comprise the correcting fluid cylinder pressure that can stretch into steel pipe nozzle, be connected with described correcting fluid cylinder pressure and the hoisting mechanism driving described correcting fluid cylinder pressure to move up and down and for the piston rod that controls described correcting fluid cylinder pressure along the control device perpendicular to the movement travel of the axial-movement of described steel pipe nozzle, the floating compensation device allowing the cylinder body of described correcting fluid cylinder pressure and hoisting mechanism to fluctuate relatively is provided with between the cylinder body of described correcting fluid cylinder pressure and described hoisting mechanism, the end of the piston rod of described correcting fluid cylinder pressure and the cylinder body of described correcting fluid cylinder pressure are respectively equipped with the inwall force of described steel pipe nozzle away from the end of described piston rod thus correct the correcting tool of steel pipe nozzle, described correcting fluid cylinder pressure is also provided with the checkout gear of the displacement for detecting described piston rod, described checkout gear is connected with described control device.
As preferably, described floating compensation device comprises the second connecting axle and the T-slot be located between described first connecting axle and described second connecting axle and T-shaped piece that the first connecting axle of being connected with the cylinder body of correcting fluid cylinder pressure is connected with described hoisting mechanism, the axis being parallel of described first connecting axle and described second connecting axle or overlap, described T-shaped piece of part to put in described T-slot and can with described T-slot relative sliding, the direction of slip is perpendicular to the axis of described first connecting axle and described second connecting axle.
As preferably, described checkout gear comprise be located at magnet assembly on described piston rod and to be located on described cylinder body can with the detection probe of described magnet assembly generation electromagnetic induction, described detection probe is connected to send the signal of telecommunication to described control device with described control device.
As further preferably, described piston rod is hollow, and described magnet assembly is be set in the magnet ring on described piston rod, and one end of described detection probe is connected with described cylinder body, also passes described magnet ring in the piston rod that the other end puts in hollow.
As preferably, the control flow that described control device comprises PLC and is connected with described PLC.
As preferably, described hoisting mechanism comprises the support, the riser that are provided with vertical rail and drives described riser to move up and down thus the lifting driver driving correcting fluid cylinder pressure to move up and down along the track of described support, and described riser is connected with described lifting driver and correcting fluid cylinder pressure respectively.
As further preferred, described riser is provided with the roller along described rail moving.
As further preferred, described riser is also provided with and makes described correcting fluid cylinder pressure rotate and be located at the rotary positioning apparatus of any position of rotation, described rotary positioning apparatus comprises the sleeve be vertically located on described riser, described second connecting axle is arranged on by bearing on the inwall of described sleeve, described second connecting axle is parallel with the length direction of described sleeve and be connected with described correcting fluid cylinder pressure through described sleeve, described sleeve is provided with the screwed hole of the axis perpendicular to described second connecting axle, be provided with one end in described screwed hole and compress described second connecting axle with the holding screw to described second connecting axle location.
As preferably, described correcting tool has the arcwall face closed with the matching form of described steel pipe nozzle inwall.
As preferably, also comprise the toter of carrying described correcting fluid cylinder pressure, hoisting mechanism and control device.
Compared to the prior art calibration equipment for steel pipe nozzle provided by the invention, has following beneficial effect:
1, inventing the calibration equipment for steel pipe nozzle provided adopts hydraulic cylinder to correct as the distortion of drive unit line up, by the movement travel of the piston rod of hydraulic control cylinder, the object of calibration accuracy can be reached, prevent undercorrection and correct too, have employed floating compensation device and correcting tool can be prevented inclined for steel pipe nozzle top.
2, have employed the different movement travel detecting piston rod in real time of parameter of the signal of telecommunication that magnet assembly and detection probe produce at different relative position generation electromagnetic induction, structure is simple and detect accurately.
3, the set-up mode of magnet ring and detection probe is simple and reliable, can ensure the induction effect between detection probe and magnet ring.
4, described riser is provided with the roller along described rail moving, makes the friction between riser and the track of support be rolling friction, can greatly reduce friction.
5, for the steel pipe completing installation, as being arranged on the steel pipe in fixed building, the difficulty that it cannot be made to rotate or make it rotate is very large, if multiple positions of this steel pipe deform, and during the direction difference of each position distortion, rotary positioning apparatus can be adopted to make correcting fluid cylinder pressure rotate to the position that its axis overlaps with ellipse short shaft and locate, thus the distortion of different directions is corrected.
6, described correcting tool has the arc-shaped surface closed with the matching form of described steel pipe nozzle inwall, can match better, improve the accuracy of correction simultaneously with the inwall of the mouth of pipe.
Accompanying drawing explanation
Fig. 1 is the front view of the calibration equipment for steel pipe nozzle of one embodiment of the invention;
Fig. 2 be A in hoisting mechanism Fig. 1 of calibration equipment for steel pipe nozzle in Fig. 1 to view;
Fig. 3 be the correcting fluid cylinder pressure of the calibration equipment for steel pipe nozzle of one embodiment of the invention piston rod retract cylinder in schematic diagram under state;
Fig. 4 is the schematic diagram under the piston rod in Fig. 3 stretches out the outer state of described cylinder body;
Fig. 5 is the structural representation of the rotary positioning apparatus of the calibration equipment for steel pipe nozzle of one embodiment of the invention;
Fig. 6 is the T-slot of the calibration equipment for steel pipe nozzle of one embodiment of the invention and the structural representation of T-shaped piece;
Fig. 7 is the top view of T-slot in Fig. 6 and T-shaped piece.
Detailed description of the invention
Fig. 1 is the front view of the calibration equipment for steel pipe nozzle of one embodiment of the invention, Fig. 2 be A in hoisting mechanism Fig. 1 of calibration equipment for steel pipe nozzle in Fig. 1 to view.As shown in Figure 1, a kind of calibration equipment for steel pipe nozzle, comprise the correcting fluid cylinder pressure 1 that can stretch into steel pipe nozzle 30, be connected with correcting fluid cylinder pressure 1 and the hoisting mechanism driving described correcting fluid cylinder pressure 1 to move up and down and for the piston rod 4 that the controls described correcting fluid cylinder pressure 1 control device (not shown) along the movement travel of the axial-movement perpendicular to described steel pipe nozzle 30, described control device is located in control cabinet 26, described correcting fluid cylinder pressure 1 moves up and down under the drive of hoisting mechanism, the floating compensation device allowing the cylinder body 5 of described correcting fluid cylinder pressure to fluctuate relatively with hoisting mechanism is provided with between the cylinder body 5 of described correcting fluid cylinder pressure and described hoisting mechanism, described correcting fluid cylinder pressure 1 is connected with providing the hydraulic fluid tank 27 of hydraulic medium for it.The end of the piston rod 4 of described correcting fluid cylinder pressure 1 and the cylinder body 5 of described correcting fluid cylinder pressure 1 are respectively equipped with away from the end of described piston rod 4 correcting tool 6 exerted a force to the inwall of described steel pipe nozzle 30, described correcting fluid cylinder pressure 1 is also provided with the checkout gear of the movement travel for detecting described piston rod 4, and described checkout gear is connected with described control device.
Steel pipe is in storage, transport and use procedure, its mouth of pipe is deformed into ellipse by positive round, calibration equipment for steel pipe nozzle provided by the invention is adopted to carry out timing to steel pipe nozzle 30, first measure oval minor axis, the stroke that the piston rod 4 calculating correcting fluid cylinder pressure 1 when ellipse being corrected to positive round need run, and set corresponding parameter in control device, thus the stroke of control piston bar 4.Start hoisting mechanism, correction hydraulic cylinder 1 is adjusted to and roughly flushes with steel pipe nozzle 30, correction hydraulic cylinder 1 is put in steel pipe nozzle 30, adjust hoisting mechanism again, the axle of correcting fluid cylinder pressure 1 is overlapped with oval minor axis, the correcting tool 6 of cylinder body 5 end of correcting fluid cylinder pressure 1 is overlapped with a summit of ellipse short shaft, start correcting fluid cylinder pressure 1, the piston rod 4 of correcting fluid cylinder pressure 1 is stretched out in cylinder body 5, described checkout gear detects the displacement of described piston rod 4 in real time, when the described correcting tool 6 of piston rod 4 end overlaps with another summit of ellipse short shaft, distance between two correcting tools 6 of correcting fluid cylinder pressure 1 equals the length of ellipse short shaft, piston rod 4 continues to stretch out, the correcting tool 6 of piston rod 4 is applied to the power generation reaction force of steel pipe nozzle, reaction force makes whole correcting fluid cylinder pressure 1 be slided in the opposite direction to piston rod 4 side of stretching out by floating compensation device, the correcting tool 6 that cylinder body one end is arranged applies pressure to the inwall of steel pipe nozzle simultaneously, piston rod 4 continues to stretch out simultaneously, the inwall of such two correcting tools 6 pairs of steel pipe nozzles 30 applies outside power simultaneously, the mouth of pipe of ellipse is propped up.When piston rod 4 moves to the stroke of setting, the mouth of pipe of steel pipe is corrected as positive round, and control device cuts out the valve of correcting fluid cylinder pressure 1, and the piston rod 4 of correcting fluid cylinder pressure 1 is out of service, namely completes the correction of steel pipe nozzle 30.Calibration equipment for steel pipe nozzle provided by the invention adopts hydraulic cylinder to correct as the distortion of drive unit line up, by the movement travel of the piston rod 4 of hydraulic control cylinder, the object of calibration accuracy can be reached, prevent undercorrection and correct too, have employed floating compensation device and prevent steel pipe nozzle from being pushed up inclined phenomenon.
In the above-described embodiments, described floating compensation device comprises the second connecting axle 21 and the T-slot 19 be located between described first connecting axle 20 and described second connecting axle 21 and T-shaped piece 18 that the first connecting axle 20 of being connected with the cylinder body 5 of correcting fluid cylinder pressure is connected with described hoisting mechanism, the axis being parallel of described first connecting axle 20 and described second connecting axle 21 or overlap, described T-shaped piece 18 put in described T-slot 19 and can with described T-slot 19 relative sliding, the direction of slip is perpendicular to the axis of described first connecting axle 20 and described second connecting axle 21.Fig. 6 is the T-slot of the calibration equipment for steel pipe nozzle of one embodiment of the invention and the structural representation of T-shaped piece, and Fig. 7 is the top view of T-slot in Fig. 6 and T-shaped piece.As shown in Figure 6 and Figure 7, described first connecting axle 20 is connected with T-slot 19 by flange 24, and the second connecting axle 21 is connected with T-shaped piece 18 by flange 24, and the two ends of T-slot 19 are provided with cover plate 25, prevent T-shaped piece 18 to skid off in T-slot 19.The correcting tool 6 of piston rod 4 pushes up oval minor axis vertex, the stressed T-slot 19 of connecting fluid cylinder pressure that makes of the cylinder body 5 of correcting fluid cylinder pressure 1 is slided to the top in figure for relatively T-shaped piece 18, cylinder body 5 moves thereupon, piston rod 4 continues to stretch out, when piston rod 4 completes the stroke of setting, the correcting tool 6 of piston rod 4 and the correcting tool 6 of cylinder body 5 complete correction just, avoid the phenomenon occurring that top is inclined.
Fig. 3 be the correcting fluid cylinder pressure of the calibration equipment for steel pipe nozzle of one embodiment of the invention piston rod retract cylinder in schematic diagram under state, Fig. 4 is the schematic diagram under the piston rod in Fig. 3 stretches out the outer state of described cylinder body.Described checkout gear comprises and is located at magnet assembly on described piston rod 47 and is located on described cylinder body 5 and with described magnet assembly 7, the detection probe 8 of electromagnetic induction can occur, and described detection probe 8 is connected to send the signal of telecommunication to described control device with described control device.In the present embodiment, described detection probe 8 is connected by conventional conductor wire with described control device, in the process that piston rod 4 runs, detection probe 8 cutting magnetic line generation current is also delivered to control device, when magnet assembly 7 changes with the relative position of detection probe 8, the parameter such as current strength, voltage of electric current also can change, when the parameter set in the parameter and control device of electric current matches, namely piston rod 4 runs setting stroke, complete the correction to steel pipe nozzle 30, namely control device cuts out the valve of correcting fluid cylinder pressure 1.In other embodiments, described detection probe 8 also can be wireless connections with described control device.Present invention employs the different shift motion detecting piston rod 4 in real time of parameter of the signal of telecommunication that magnet assembly 7 and detection probe 8 produce at different relative position generation electromagnetic induction, structure is simple and detect accurately.
In the above-described embodiments, described piston rod 4 is hollow, described magnet assembly 7 is for being set in the magnet ring on described piston rod 4, and one end of described detection probe 8 is connected with described cylinder body 5, and the other end to put in the piston rod 4 of hollow through the wall of cylinder body 5 and through described magnet ring.The set-up mode of magnet ring and detection probe 8 is simple and reliable, can ensure the induction effect between detection probe 8 and magnet ring.
In the above-described embodiments, the control flow that described control device (not shown) comprises PLC (Programmable Logic Controller) and is connected with described PLC, the preferred touch screen of described control flow, is convenient to operation.
In the above-described embodiments, described hoisting mechanism comprises support 9, riser 10 and promotes driver, described support 9 is provided with vertical track 11, described riser 10 is connected with described lifting driver and correcting fluid cylinder pressure 1 respectively, described riser 10 moves up and down along the track 11 of described support 9 under the driving of described lifting driver, thus drives correcting fluid cylinder pressure 1 to move up and down.Described riser 10 directly can contact with between described track 11, and be sliding friction therebetween, described riser 10 also can be provided with the roller 12 along the movement of described track 11, is rolling friction therebetween, can greatly reduces friction.Described lifting driver can be lifting hydraulic cylinder 13, also can be driven by motor eccentric part thus drives hydraulic cylinder to move up and down.
Fig. 5 is the structural representation of the rotary positioning apparatus of the calibration equipment for steel pipe nozzle of one embodiment of the invention.Described riser 10 is also provided with and makes described correcting fluid cylinder pressure 1 rotate and be located at the rotary positioning apparatus of any position of rotation, described rotary positioning apparatus comprises the sleeve 14 be vertically located on described riser 10, described sleeve 14 is cylindrical, also can be rectangular drum like or other tubular.Described second connecting axle 21 is arranged on described riser 10 or on the inwall of sleeve 14 by bearing, and described first connecting axle 20 is cylindrical with described second connecting axle 21.Described second connecting axle 21 is parallel with the length direction of described sleeve 14 and be connected with described correcting fluid cylinder pressure 1 through described sleeve 14, described sleeve 14 is provided with the screwed hole of the axis perpendicular to described second connecting axle 21, is provided with one end and compresses described second connecting axle 21 with the holding screw 16 of locating described second connecting axle 21 in described screwed hole.For the steel pipe completing installation, as being arranged on the steel pipe in fixed building, the difficulty that it cannot be made to rotate or make it rotate is very large, if multiple positions of this steel pipe deform, and during the direction difference of each position distortion, rotatable second connecting axle 21, second connecting axle 21 drives the first connecting axle 20 thus drives correcting fluid cylinder pressure 1 to rotate, correcting fluid cylinder pressure 1 is made to rotate position to its axis overlaps with ellipse short shaft, and tighten holding screw 16, one end of holding screw 16 is made to be pressed on the second connecting axle 21, second connecting axle 21 is positioned at this position, thus the distortion of different directions is corrected.One end that described holding screw 16 contacts with the second connecting axle 21 can be provided with locating surface 17 to increase the frictional force between holding screw 16 and the second connecting axle 21, and improve the reliability of location, the other end of holding screw 16 is provided with handle 23, so that positioning action.
In the above-described embodiments, described correcting tool 6 has the arcwall face closed with the matching form of described steel pipe nozzle 30 inwall, can match better, improve the accuracy of correction simultaneously with the inwall of the mouth of pipe.
In the above-described embodiments, also comprise the toter 22 of carrying described correcting fluid cylinder pressure 1, hoisting mechanism and control device, described toter 22 can adopt the small handcart of band pushing hands, also can adopt electric motor car or other power-actuated toter 22, whole calibration equipment can be made to move to the position of needs easily.
Above embodiment is only exemplary embodiment of the present invention, and be not used in restriction the present invention, protection scope of the present invention is defined by the claims.Those skilled in the art can in essence of the present invention and protection domain, and make various amendment or equivalent replacement to the present invention, this amendment or equivalent replacement also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. a calibration equipment for steel pipe nozzle, it is characterized in that: comprise the correcting fluid cylinder pressure that can stretch into steel pipe nozzle, be connected with described correcting fluid cylinder pressure and the hoisting mechanism driving described correcting fluid cylinder pressure to move up and down and for the piston rod that controls described correcting fluid cylinder pressure along the control device perpendicular to the movement travel of the axial-movement of described steel pipe nozzle, the floating compensation device allowing the cylinder body of described correcting fluid cylinder pressure and hoisting mechanism to fluctuate relatively is provided with between the cylinder body of described correcting fluid cylinder pressure and described hoisting mechanism, the end of the piston rod of described correcting fluid cylinder pressure and the cylinder body of described correcting fluid cylinder pressure are respectively equipped with the inwall force of described steel pipe nozzle away from the end of described piston rod thus correct the correcting tool of steel pipe nozzle, described correcting fluid cylinder pressure is also provided with the checkout gear of the displacement for detecting described piston rod, described checkout gear is connected with described control device.
2. calibration equipment for steel pipe nozzle according to claim 1, it is characterized in that: described floating compensation device comprises the first connecting axle be connected with the cylinder body of correcting fluid cylinder pressure, the second connecting axle be connected with described hoisting mechanism and the T-slot be located between described first connecting axle and described second connecting axle and T-shaped piece, the axis being parallel of described first connecting axle and described second connecting axle or overlap, described T-shaped piece of part to put in described T-slot and can with described T-slot relative sliding, the direction of sliding is perpendicular to the axis of described first connecting axle and described second connecting axle.
3. calibration equipment for steel pipe nozzle according to claim 1, it is characterized in that: described checkout gear comprise be located at magnet assembly on described piston rod and to be located on described cylinder body can with the detection probe of described magnet assembly generation electromagnetic induction, described detection probe is connected to send the signal of telecommunication to described control device with described control device.
4. calibration equipment for steel pipe nozzle according to claim 3, it is characterized in that: described piston rod is hollow, described magnet assembly is be located at the magnet ring in the hollow space of described piston rod, one end of described detection probe is connected with described cylinder body, and the piston rod that the other end puts in hollow is interior also through described magnet ring.
5. calibration equipment for steel pipe nozzle according to claim 1, is characterized in that: the control flow that described control device comprises PLC and is connected with described PLC.
6. calibration equipment for steel pipe nozzle according to claim 2, it is characterized in that: described hoisting mechanism comprises the support, the riser that are provided with vertical rail and drives described riser to move up and down thus the lifting driver driving correcting fluid cylinder pressure to move up and down along the track of described support, and described riser is connected with described lifting driver and correcting fluid cylinder pressure respectively.
7. calibration equipment for steel pipe nozzle according to claim 6, is characterized in that: described riser is provided with the roller along described rail moving.
8. calibration equipment for steel pipe nozzle according to claim 6, it is characterized in that: described riser is also provided with and makes described correcting fluid cylinder pressure rotate and be located at the rotary positioning apparatus of any position of rotation, described rotary positioning apparatus comprises the sleeve be vertically located on described riser, described second connecting axle is arranged on by bearing on the inwall of described sleeve, described second connecting axle is parallel with the length direction of described sleeve and be connected with described correcting fluid cylinder pressure through described sleeve, described sleeve is provided with the screwed hole of the axis perpendicular to described second connecting axle, be provided with one end in described screwed hole and compress described second connecting axle with the holding screw to described second connecting axle location.
9. calibration equipment for steel pipe nozzle according to claim 1, is characterized in that: described correcting tool has the arcwall face closed with the matching form of described steel pipe nozzle inwall.
10. calibration equipment for steel pipe nozzle according to claim 1, is characterized in that: the toter also comprising carrying described correcting fluid cylinder pressure, hoisting mechanism and control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080592.9A CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110080592.9A CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
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| CN102728662A CN102728662A (en) | 2012-10-17 |
| CN102728662B true CN102728662B (en) | 2015-11-04 |
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| CN201110080592.9A Active CN102728662B (en) | 2011-03-31 | 2011-03-31 | A kind of calibration equipment for steel pipe nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108838285A (en) * | 2018-06-15 | 2018-11-20 | 中国重型机械研究院股份公司 | A kind of hydraulic direct-acting type steel pipe expanding head |
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| CN115301769A (en) * | 2022-09-13 | 2022-11-08 | 山东南山铝业股份有限公司 | Method for correcting ellipse of large aluminum alloy cylindrical part after quenching |
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