CN103234811B - Hydrostatic testing machine pipe range electrodeless adaptation rotating device - Google Patents
Hydrostatic testing machine pipe range electrodeless adaptation rotating device Download PDFInfo
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- CN103234811B CN103234811B CN201310152151.4A CN201310152151A CN103234811B CN 103234811 B CN103234811 B CN 103234811B CN 201310152151 A CN201310152151 A CN 201310152151A CN 103234811 B CN103234811 B CN 103234811B
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Abstract
The invention provides a kind of hydrostatic testing machine pipe range electrodeless adaptation rotating device, including carrier, one end is machined with mounting structure, is provided with proximity switch in this mounting structure, being also equipped with drive mechanism on carrier, this drive mechanism drives carrier to move back and forth along own axes.This electrodeless adaptation rotating device uses hydraulic motor to drive screw pair to drive the kind of drive that moving sealing device moves by Chain conveyer, the huge axial water pressure power during pressure testing is made finally to be undertaken by feed screw nut, its underpower is with bending steel pipe, and its rigidity, self-locking ensure that moving sealing device under high pressure will not be made a concession；During avoiding conventional pressure testing, main fluid cylinder thrust excessive bending steel pipe, main fluid cylinder make a concession the drawback damaging sealing ring；Use spiral to move in pipe range direction simultaneously, can the change of electrodeless adaptation pipe range.
Description
Technical field
The invention belongs to water pressure test equipment technical field, relate to a kind of water pressure test equipment, be specifically related to one and carry out the electrodeless adaptation rotating device of pipe range necessary to pressure test for steel tube used in boiler, petroleum oil well pipe, line pipe etc..
Background technology
Along with industrial and agricultural production and the growth of service trade, the development of transport service and the raising of living standards of the people, the market demand expanding day of the human society energy this kind of to petroleum gas in world wide.Oil pipe, casing requirements amount are constantly expanded by petroleum exploration and development in recent years, the particularly construction of natural gas fields.According to the requirement of SY/T 6194 " sleeve pipe and oil pipe ", oil oil, sleeve pipe dispatch from the factory, use before must pass through hydrostatic test.Owing to tested steel pipe length difference is very big, for meeting pressure testing on long and short Guan Yi platform equipment, it is necessary for requiring that an end sealing device of hydrostatic testing machine can move forward and backward by stroke greatly.The big stroke of traditional sealing device moves and meets mainly by big stroke fluid cylinder, and cost is high, and speed is slow, if main fluid cylinder thrust crosses conference bending steel pipe during pressure testing simultaneously, the little main fluid cylinder yielding of thrust can damage sealing ring.And limited by fluid cylinder stroke, the change of tested pipe range can not be the biggest.
Summary of the invention
The problem that it is an object of the invention to overcome prior art to exist, it is provided that a kind of hydrostatic testing machine pipe range electrodeless adaptation rotating device, it is possible to solve main fluid cylinder thrust excessive bending steel pipe, the drawback of main fluid cylinder yielding damage water-pressure sealed circle during pressure testing；Simultaneously because use spiral to move in pipe range direction, can the change of electrodeless adaptation pipe range.
For achieving the above object, the present invention adopts the following technical scheme that a kind of hydrostatic testing machine pipe range electrodeless adaptation rotating device, including carrier, carrier one end is machined with mounting structure, in this mounting structure, proximity switch is installed, being also equipped with drive mechanism on carrier, this drive mechanism drives carrier to move back and forth along own axes.
Described mounting structure includes the cylindrical hole being located at carrier one end and the open slot being located on carrier, and this open slot communicates with cylindrical hole, is provided with proximity switch in this open slot.
Described carrier is installed on walking dolly, and walking dolly is placed on two guide rails, and can move back and forth along guide rail, and two guide rails have been respectively and fixedly connected with mechanical stop limiter, and mechanical stop limiter location is the rear extreme position that walking dolly arrives.
Described drive mechanism includes power-driven mechanism and the Liang Tao bindiny mechanism being located at the carrier other end, a leading screw it is equipped with in Mei Tao bindiny mechanism, one end of leading screw passes bindiny mechanism, the other end of leading screw passes carrier, a nut all it is set with on every leading screw, nut is between bindiny mechanism and carrier, and this power-driven mechanism drives nut rotation so that nut can move back and forth along the axis direction of leading screw.
Described bindiny mechanism includes the throw-out collar bearing being installed on carrier end face, one end of throw-out collar bearing is connected with carrier, the other end of throw-out collar bearing is connected with one end of throw-out collar, the other end of throw-out collar is provided with the through hole of axis and nut axis coaxle, the one end of the leading screw stretched out from nut passes this through hole, and stretching out outside throw-out collar, nut is driven by power-driven mechanism and rotates.
Described power-driven mechanism includes the hydraulic motor being installed on carrier end face and the first sprocket wheel being installed on nut outer wall, fluid motor-driven power transmission shaft, being provided with duplex chain wheel on power transmission shaft, this duplex chain wheel is connected with two the first sprocket wheels respectively by two driving chains.
Described nut outer wall is provided with step, and this step is provided with the first sprocket wheel.
This electrodeless adaptation rotating device also includes the leading screw hanger bracket of split type structure, and leading screw hanger bracket is made up of two clips being bolted.
Hydraulic motor in hydrostatic testing machine pipe range of the present invention electrodeless adaptation rotating device drives screw pair to drive moving sealing device to advance by Chain conveyer, and then promotes steel pipe to arrive regulation position；Steel pipe carries out axial force produced by water under high pressure during hydrostatic test undertaken by feed screw nut, be ultimately transferred to frame and carry.Its underpower is with bending steel pipe, and its rigidity, self-locking ensure that under high pressure sealing device will not be made a concession.During avoiding conventional pressure testing, main fluid cylinder thrust excessive bending steel pipe, main fluid cylinder make a concession the drawback damaging sealing ring.Simultaneously because use spiral to move in pipe range direction, can be with the change of grand movement electrodeless adaptation steel pipe length.Simple in construction, it is easy to controlling, easy to maintenance, equipment is safe and reliable, it is adaptable to the water pressure test of all size steel pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention electrodeless adaptation rotating device.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 be in the present invention electrodeless adaptation rotating device carrier configuration partly cut open top view.
Fig. 5 is the left view of leading screw hanger bracket in the present invention electrodeless adaptation rotating device.
In figure: 1. frame is big, 2. leading screw, 3. leading screw hanger bracket, 4. carrier, 5. grommet, 6. nut, 7. the first sprocket wheel, 8. driving chain, 9. walking dolly, 10. throw-out collar bearing, 11. throw-out collars, 12. second sprocket wheels, 13. hydraulic motors, 14. bearing blocks, 15. wheels, 16. guide rails, 17. cylindrical holes, 18. mechanical stop limiters, sensor block after 19., 20.U shape groove, 21. carrying sets, 22. screw rods, sensor block before 23., 24. tensioners, 25. bearings, 26. power transmission shafts, 27. first keys, 28. second keys, 29. expansion tightening wheels, 30. sealing devices, 31. support bodys, 32. loading plates, 33. clips, 34. bolts.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, the present invention electrodeless adaptation rotating device, including walking dolly 9, walking dolly 9 is placed on two guide rails 16, the wheel 15 of walking dolly 9 contacts with guide rail 16, walking dolly 9 can move back and forth along guide rail 16, and two guide rails 16 have been respectively and fixedly connected with mechanical stop limiter 18, and mechanical stop limiter 18 location is the last extreme position that walking dolly 9 can arrive；Being provided with structure carrier 4 as shown in Figure 4 on walking dolly 9, carrier 4 includes that the support body 31 of "convex" shaped, the end face of the bigger one end of support body 31 size are provided with loading plate 32, and support body 31 both sides are equipped with carrying set 21；Loading plate 32 is provided with cylindrical hole 17, the axis of cylindrical hole 17 and the axis coaxle of support body 31, support body 31 is provided with the opening U-lag 20 towards loading plate 32, U-lag 20 communicates with cylindrical hole 17, being provided with a proximity switch in U-lag 20, axis direction, the same side, carrier 4 top along carrier 4 are provided with two other proximity switch near frame general goal；Two carrying sets 21 are arranged relative to the axisymmetrical of support body 31；Two throw-out collar bearings 10 are installed on the end face of the less one end of support body 31 size, one end of throw-out collar bearing 10 is connected with support body 31, the other end of throw-out collar bearing 10 is directed away from the direction of support body 31, it is connected with one end of throw-out collar 11, the other end of throw-out collar 11 is provided with through hole, and this through hole is arranged with the female coaxial of carrying set 21.Being provided with nut 6 between throw-out collar 11 and carrying set, be provided with grommet 5 between nut 6 and carrying set 21, grommet 5 is fixing with carrying set 21 to be connected；Carrying set 21, loading plate 32, support body 31 and the integrant carrier of grommet 54, nut 6 is connected with leading screw 2 by female thread, one end of leading screw 2 extends through the through hole throw-out collar 11 and stretches out outside throw-out collar 11 from one end of nut 6, the other end of leading screw 2 stretches out from the other end of nut 6, sequentially pass through grommet 5 and carrying set 21 stretches out outside carrying set 21, leading screw 2 big with frame 1 is fixing to be connected, nut 6 can be around own axis, and can move back and forth along the axis direction of leading screw 2, the outer wall of nut 6 is provided with step, first sprocket wheel 7 is installed on this step, first sprocket wheel 7 and nut 6 constitute nut assembly；In the middle part of the end face of the less one end of support body 31 size, bearing block 14 is installed, bearing block 14 is provided with hydraulic motor 13 on the end face away from carrier 4, bearing block 14 is connected with power transmission shaft 26 by bearing 25, the output shaft of hydraulic motor 13 drives power transmission shaft 26 to rotate by the first key 27, the second sprocket wheel 12 it is set with on power transmission shaft 26, second sprocket wheel 12 is duplex chain wheel, and power transmission shaft 26 drives the second sprocket wheel 12 to rotate by the second key 28；Second sprocket wheel 12 is connected with two the first sprocket wheels 7 respectively by two driving chains 8；Two set tensioners 24 it are also equipped with, by the regulating wheel 29 tensioning driving chain 8 on tensioner 24 on walking dolly 9.All of proximity switch all electrically connects with the main control unit of hydrostatic testing machine.
Electrodeless for present invention adaptation rotating device is arranged in the frame of hydrostatic testing machine, the direction of motion making walking dolly 9 is consistent with the longitudinal centre line direction of hydrostatic testing machine frame, make the loading plate 32 sealing device 30 towards hydrostatic testing machine, making cylindrical hole 17 be coaxially disposed with the sender bar of sender mechanism in sealing device 30, the central cross-section of carrier 4 overlaps with the central cross-section of frame 1.Leading screw 2 two ends all big with frame 1 are fixing to be connected, according to leading screw 2 stretch out carrying set 21 length and leading screw 2 stretch out throw-out collar 11 length, it is also provided with the leading screw hanger bracket 3 of respective numbers, leading screw hanger bracket 3 big with frame 1 is fixing to be connected, the structure of leading screw hanger bracket 3 is as shown in Figure 5, including the screw rod 22 being vertically arranged in frame big 1, screw rod 22 lower end connects by the support ring being made up of two clips 33, and two clips 33 are connected by bolt 34.Leading screw 2, through the support ring on leading screw hanger bracket 3, tights a bolt 34, makes two clip 33 clamping leading screws 2.Install with carrier 4 be respectively mounted in the corresponding frame in proximity switch side big 1 after sensor block 19 and front sensor block 23, front sensor block 23 is arranged on the front position that in frame big 1, carrier 4 arrives, and rear sensor block 19 is arranged on the rearmost position that in frame big 1, carrier 4 arrives；In order to shorten this electrodeless adaptation rotating device no-load running time, typically can be according to can the sensor block 19 position in frame big 1 after the position adjustment of bulge test by test steel pipe batch pipe long tube, in order to improve test efficiency.
When steel pipe carries out hydrostatic test, after steel pipe is placed on main frame pressure testing center by main frame feeding device, system master unit is energized, hydraulic motor 13 drives nut 6 to rotate by Chain conveyer pair, rotary motion is converted into rectilinear movement by leading screw 2 by nut 6, convert torque into thrust, carrier 4 is promoted to move along leading screw 2 forward rectilinear by the plane of grommet 5, walking dolly 9 is orthokinetic with carrier 4 along guide rail 16, carrier 4 drives moving sealing device 30 to advance, and then promoting steel pipe to arrive the position of regulation, steel pipe halts；Now, carrier 4 drives moving sealing device 30 to move on, sender bar and the sender disk of sender mechanism in promotion moving sealing device 30 are extend in U-lag 20 by steel pipe through cylindrical hole 17, until after sender disk senses with the proximity switch in U-lag 20, system master unit power-off, instruction hydraulic motor 13 quits work, in the process, the power of hydraulic motor 13 is mainly used to overcome the frictional resistance between the frictional resistance of screw pair and car wheel 15 and guide rail 16 and promote tested steel pipe movement, and its underpower is with bending steel pipe；When boosting, pressurize, axial force produced by water under high pressure directly acts on carrier 4, carrier 4 passes through grommet 5 by this axial force transmission to screw pair, and be ultimately transferred to frame and carry, its rigidity, self-locking ensure that the sealing device 30 of movement under high pressure conditions will not be made a concession, it is to avoid during conventional pressure testing, main fluid cylinder thrust excessive bending steel pipe, main fluid cylinder make a concession the drawback damaging sealing ring；Terminate and after release in pressurize, system master unit is reversely energized, hydraulic motor 13 reversely rotates, nut 6 is driven to reversely rotate by Chain conveyer, nut 6 is moved rearwards by along the axis of leading screw 2, now, nut 6 rear end face promotes throw-out collar 11 to be moved rearwards by, throw-out collar 11 pulls carrier 4 to be moved rearwards by by throw-out collar bearing 10, until after rear limited block 19 senses with proximity switch in plane on carrier 4, system master unit power-off, instruction hydraulic motor 13 quits work, this electrodeless adaptation rotating device returns to initial position, completes the pressure testing of a steel pipe.
This electrodeless adaptation rotating device is with hydraulic power source as power.During hydrostatic pressure testing, due to steel pipe length wide variation to be adapted to, it is the longest that leading screw 2 designs, cause leading screw 2 sagging, during use, the endoporus carrying set 21 with carrier 4 flank produces card of spraining, this electrodeless adaptation rotating device can be caused to move not smooth, thus on leading screw 2, it is provided with leading screw hanger bracket 3, it is used for eliminating the phenomenon that leading screw 2 is sagging, leading screw hanger bracket 3 is split type structure, dividing upper and lower two parts envelope around leading screw 2 external diameter, upper part is connected by screw rod 22 is fixing with frame 3.In process of the test, when this rotating device advances, nut 2 front end face should be fitted completely with the end face of grommet 5, has gap between nut 2 rear end face and throw-out collar 11 end face, just can move forward without spraining card, just can bear axial force produced by water under high pressure.When this rotating device retreats, nut 2 rear end face should completely be fitted with throw-out collar 11 end face, be had gap between nut 2 front end face and grommet 5 end face, just can be moved rearwards by without spraining card.
In order to prevent plane two proximity switches at frame big 1 on carrier 4 all to lose efficacy, rear limited block 19 does not play position-limiting action, this rotating device can be caused to be moved rearwards by exceeding rear extreme position and stuck, be provided with mechanical stop limiter 18 on track 16.Loose after a period of time in order to prevent driving chain 8 from operating, cause Chain conveyer pair to operate, walking dolly 9 is additionally provided with tensioner 24, in order to adjust the tension and relaxation degree of driving chain 8.
Hydrostatic testing machine pipe range of the present invention electrodeless adaptation rotating device uses screw thread pair transmission in pipe range direction, can be with the change of grand movement electrodeless adaptation steel pipe length, due also to screw thread pair uses saw-tooth thread, thus have the advantages that transmission efficiency is high, bearing capacity is strong, it is adaptable to the water pressure test of all size steel pipe.
Claims (6)
1. a hydrostatic testing machine pipe range electrodeless adaptation rotating device, it is characterized in that, including carrier (4), carrier (4) one end is machined with mounting structure, in this mounting structure, proximity switch is installed, carrier is also equipped with drive mechanism on (4), and this drive mechanism drives carrier (4) to move back and forth along carrier (4) own axes；This mounting structure includes the cylindrical hole (17) being located at carrier (4) one end and the U-lag (20) being located on carrier (4), and U-lag (20) communicates with cylindrical hole (17), and U-lag is provided with proximity switch in (20)；Carrier (4) includes that the support body (31) of "convex" shaped, the end face of the bigger one end of support body (31) size are provided with loading plate (32), and support body (31) both sides are equipped with carrying set (21)；Loading plate (32) is provided with cylindrical hole (17), the axis of cylindrical hole (17) and the axis coaxle of support body (31), support body (31) is provided with the opening U-lag (20) towards loading plate (32), being provided with a proximity switch in U-lag (20), axis direction, carrier (4) the same side, top along carrier (4) are provided with two other proximity switch near hydrostatic testing machine frame general goal；Two carryings set (21) are arranged relative to the axisymmetrical of support body (31)；
Described drive mechanism includes power-driven mechanism and the Liang Tao bindiny mechanism being located at carrier (4) other end, a leading screw (2) all it is set with in Mei Tao bindiny mechanism, one end of leading screw (2) passes bindiny mechanism, the other end of leading screw (2) passes carrier (4), a nut (6) all it is set with on every leading screw (2), nut (6) is positioned between bindiny mechanism and carrier (4), this power-driven mechanism drives nut (6) to rotate so that nut (6) can move back and forth along the axis direction of leading screw (2)；
During use, it is connected all fixing greatly with hydrostatic testing machine frame for leading screw (2) two ends.
2. hydrostatic testing machine pipe range electrodeless adaptation rotating device as claimed in claim 1, it is characterized in that, described carrier (4) is installed on walking dolly (9), walking dolly (9) is placed on two guide rails (16), and can move back and forth along guide rail (16), being respectively and fixedly connected with mechanical stop limiter (18) on two guide rails (16), mechanical stop limiter (18) location is the rear extreme position that walking dolly (9) arrives.
3. hydrostatic testing machine pipe range electrodeless adaptation rotating device as claimed in claim 1, it is characterized in that, described bindiny mechanism includes the throw-out collar bearing (10) being installed on carrier (4) end face, one end of throw-out collar bearing (10) is connected with carrier (4), the other end of throw-out collar bearing (10) is connected with one end of throw-out collar (11), the other end of throw-out collar (11) is provided with the through hole of axis and nut (6) axis coaxle, the one end of the leading screw (2) stretched out from nut (6) passes this through hole, and stretch out throw-out collar (11) outward, nut (6) is driven by power-driven mechanism and rotates.
4. hydrostatic testing machine pipe range electrodeless adaptation rotating device as claimed in claim 3, it is characterized in that, described power-driven mechanism includes the hydraulic motor (13) being installed on carrier (4) end face and the first sprocket wheel (7) being installed on nut (6) outer wall, hydraulic motor (13) drives power transmission shaft (16), power transmission shaft is provided with duplex chain wheel on (16), and this duplex chain wheel is connected with two the first sprocket wheels (7) respectively by two driving chains (8).
5. hydrostatic testing machine pipe range electrodeless adaptation rotating device as claimed in claim 4, it is characterised in that described nut (6) outer wall is provided with step, and this step is provided with the first sprocket wheel (7).
6. hydrostatic testing machine pipe range electrodeless adaptation rotating device as claimed in claim 1, it is characterized in that, this electrodeless adaptation rotating device also includes the leading screw hanger bracket (3) of split type structure, and leading screw hanger bracket (3) is made up of two clips (33) connected by bolt (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152151.4A CN103234811B (en) | 2013-04-27 | 2013-04-27 | Hydrostatic testing machine pipe range electrodeless adaptation rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152151.4A CN103234811B (en) | 2013-04-27 | 2013-04-27 | Hydrostatic testing machine pipe range electrodeless adaptation rotating device |
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| Publication Number | Publication Date |
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| CN103234811A CN103234811A (en) | 2013-08-07 |
| CN103234811B true CN103234811B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310152151.4A Active CN103234811B (en) | 2013-04-27 | 2013-04-27 | Hydrostatic testing machine pipe range electrodeless adaptation rotating device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3074974B1 (en) * | 2017-12-07 | 2020-07-17 | Schneider Electric Industries Sas | DEVICE FOR CONNECTING A MOBILE TROLLEY CARRYING AN ELECTRICAL APPARATUS TO A MEDIUM OR HIGH VOLTAGE CELL, AND CELL COMPRISING SUCH A DEVICE. |
| CN114397196B (en) * | 2022-03-26 | 2022-06-07 | 常州市森迈网业有限公司 | Artificial turf softness detection device and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570485A (en) * | 1983-03-07 | 1986-02-18 | Lee Jr Roy | Method of and apparatus for the hydrostatic testing of threaded pipe |
| CN101762425A (en) * | 2008-12-25 | 2010-06-30 | 王及元 | Water pressure test machine |
| CN202471518U (en) * | 2012-03-23 | 2012-10-03 | 甘肃蓝科石化高新装备股份有限公司 | Movable-type stabilization device for oil well pipe of hydrostatic testing machine |
| CN203249831U (en) * | 2013-04-27 | 2013-10-23 | 甘肃蓝科石化高新装备股份有限公司 | Pipe length infinite adapting spin shifter of hydrostatic testing machine |
-
2013
- 2013-04-27 CN CN201310152151.4A patent/CN103234811B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570485A (en) * | 1983-03-07 | 1986-02-18 | Lee Jr Roy | Method of and apparatus for the hydrostatic testing of threaded pipe |
| CN101762425A (en) * | 2008-12-25 | 2010-06-30 | 王及元 | Water pressure test machine |
| CN202471518U (en) * | 2012-03-23 | 2012-10-03 | 甘肃蓝科石化高新装备股份有限公司 | Movable-type stabilization device for oil well pipe of hydrostatic testing machine |
| CN203249831U (en) * | 2013-04-27 | 2013-10-23 | 甘肃蓝科石化高新装备股份有限公司 | Pipe length infinite adapting spin shifter of hydrostatic testing machine |
Non-Patent Citations (1)
| Title |
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| 李伟等.全自动石油油管(套管)静水压试验装置的改进.《石油矿场机械》.2001,第30卷(第1期), * |
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