CN102798494A - High-precision torque measurement device and method for petroleum pipeline dismounting frame - Google Patents
High-precision torque measurement device and method for petroleum pipeline dismounting frame Download PDFInfo
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- CN102798494A CN102798494A CN2012103245266A CN201210324526A CN102798494A CN 102798494 A CN102798494 A CN 102798494A CN 2012103245266 A CN2012103245266 A CN 2012103245266A CN 201210324526 A CN201210324526 A CN 201210324526A CN 102798494 A CN102798494 A CN 102798494A
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Abstract
The invention relates to a high-precision torque measurement device and method for a petroleum pipeline dismounting frame. The device comprises a supporting plate, a clamping body, a force measuring rod, a pull pressure sensor and a data acquisition and display system, wherein the clamping body is rotatably installed on the supporting plate through a bearing; the clamping body is provided with a workpiece clamping mechanism; the force measuring rod is arranged along the radial direction of the rotating track of the clamping body and is fixedly connected with the clamping body; the stressing direction of a force sensor is perpendicular to the force measuring rod; one end of the force sensor is in threaded connection with a sensor seat, the other end of the sensor seat is articulated with the supporting plate through a first pin shaft, the other end of the force sensor is in threaded connection with a sensor ball, and the other end of the sensor ball is articulated with the force measuring rod through a second pin shaft; and the data acquisition and display system is connected with the pull pressure sensor through a wire. By using the high-precision torque measurement device, a torque value can be accurately measured during turn-lock buckling, and can be displayed in a digital form, the torque can be accurately measured and controlled, and the reliability of products in threaded connection can be guaranteed.
Description
Technical field
The invention belongs to the petroleum machinery technical field, relate to the be threaded device and method of moment of torsion of a kind of measurement that is used for oil pipe assembling and disassembling stand.
Background technology
In petroleum industry; Workpiece such as sleeve pipe, oil pipe, drilling rod, subsurface tool, shock sub, vibroshock and helicoid hydraulic motor all need be threaded; And these product majorities are in subsurface environment, to use; Its reliability is particularly important, and the reliability that wherein is threaded is the principal element that influences these products.The reliability that control at present is threaded mainly is that the mode of controlling the moment of torsion that is threaded realizes.Therefore the control problem of moment of torsion of being threaded is extremely important in being threaded of the said goods.
In recent years; Multi-form screw thread spinner equipment arises at the historic moment; These spinner equipment have generally just solved the problem of spinner, and the measurement of moment of torsion generally all is a hydraulic pressure of gathering the driving oil cylinder that drives the turning of work piece action, then through calculating torque value.The influence of this hydraulic system loss, mechanical loss and arm of force angle wherein can't estimate that all the torque value precision that therefore draws is extremely low.In drilling process, cause screw thread damage that the screw thread fracture takes place owing to the moment of torsion that is threaded is excessive or because the moment of torsion that is threaded is too small causes screw thread to get loose, fall down-hole accident such as well to take place often, the economic loss that causes less tens0000, up to ten million at most.At present also there are not a kind of high-precision torque-measuring apparatus and method to realize the accurate control of spinner moment of torsion.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists; The object of the present invention is to provide a kind of high precision torque-measuring apparatus and method that is used for oil pipe assembling and disassembling stand; Torque value in the time of can accurately measuring spinner; Can realize the accurate control of moment of torsion, guarantee the reliability that is threaded between the workpiece.
In order to address the above problem, the present invention adopts following technical scheme:
The high precision torque-measuring apparatus that is used for oil pipe assembling and disassembling stand provided by the invention comprises back up pad, cramping body, dynamometer link, force cell and data acquisition display system;
Described cramping body is installed on the back up pad through bearing is rotating, and cramping body is provided with the clamp system that is used for clamping work pieces; The radially setting of the said cramping body rotary motion trace in said dynamometer link edge is also affixed with cramping body;
Described force cell receive force direction vertical with said dynamometer link; The threaded one end of force cell connects sensor holder, and the other end of said sensor holder is hinged through first bearing pin and said back up pad; The other end of the force cell sensor bulb that is threaded, the other end of said sensor bulb is hinged through second bearing pin and dynamometer link;
Described data acquisition display system is connected with said force cell through lead.
Preferably: said clamp system is uniformly distributed with a plurality of hydraulic cylinders that are provided with and are packed on the cramping body by the axis around said cramping body and constitutes.
Preferably: described force cell is a pull pressure sensor.
Preferably: described force cell is a pulling force sensor, and said pulling force sensor is provided with two, is separately positioned on the both sides of said dynamometer link.
Preferably: described force cell is a pressure transducer, and said pressure transducer is provided with two, is separately positioned on the both sides of said dynamometer link.
The high precision torque measuring method that is used for oil pipe assembling and disassembling stand provided by the invention comprises the steps:
In the spinner process, the workpiece that is in rotary state is designated as turning of work piece, and the workpiece that is in stationary state is designated as fixation workpiece;
Utilize the described fixation workpiece of clamping device clamping, and said clamping device is arranged on one can be on the cramping body that said fixation workpiece axis rotates; Cramping body passes through Bearing Installation on fixing back up pad;
Described turning of work piece is applied moment of torsion, and turning of work piece rotates implements spinner, and turning of work piece transfers torque to described fixation workpiece, and moment of torsion passes to said cramping body through fixation workpiece;
Cramping body passes to said moment of torsion and is fixed together with it and along the dynamometer link that radially is provided with of cramping body rotary motion trace; Dynamometer link is direction and vertical the drawing of said dynamometer link/pressure with this goes through torque conversion; Through force cell this is drawn/pressure measures;
This draws/and the product of pressure and the arm of force promptly draws the value of said moment of torsion.
The invention has the beneficial effects as follows:
The utilization pull pressure sensor of this innovation property or pulling force sensor or pressure transducer are in the counter-force that the workpiece of stationary state receives when measuring spinner; And draw reactive torque through this counter-force; Thereby the measurement of spinner torque value is come out, simplify the structure, thereby avoided the influence of middle loss measuring accuracy; Also promptly improved the torque measurement precision, the torque measurement precision has been brought up to ± 0.1kNm (peak torque is 180kNm) from original ± 5kNm; And no matter left-handed, dextrorotation can both be accurate, instant measurement and show, for the spinner operation provides reliable data, series products provides sound assurance in order to be threaded.This device and method reliability is higher, can be widely used in the relevant industries field, and a kind of simple and reliable torque measurement mode is provided.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explanation:
Fig. 1 is the front view that is used for the high precision torque-measuring apparatus embodiment one of oil pipe assembling and disassembling stand among the present invention;
Fig. 2 is the right view that is used for the high precision torque-measuring apparatus embodiment one of oil pipe assembling and disassembling stand among the present invention;
Fig. 3 is the partial structurtes synoptic diagram that is used for the high precision torque-measuring apparatus embodiment two of oil pipe assembling and disassembling stand among the present invention;
Fig. 4 is the partial structurtes synoptic diagram that is used for the high precision torque-measuring apparatus embodiment three of oil pipe assembling and disassembling stand among the present invention;
Among the figure: 1 back up pad, 2 bearings, 3 cramping bodies, 4 dynamometer links, 5 second bearing pins, 6 first bearing pins, 7 sensor holders, 8 pull pressure sensor, 9 sensor bulbs, 10 data acquisition display systems.11 hydraulic cylinders.
Embodiment
Like accompanying drawing 1, shown in Figure 2, the embodiment one that this is used for the high precision torque-measuring apparatus of oil pipe assembling and disassembling stand comprises back up pad 1, cramping body 3, pull pressure sensor 8 and data acquisition display system 10.
Back up pad 1 is the support component in the whole device, rises and supports and fixation.
Cramping body 3 is clamping workpiece and the pith that transmits moment of torsion.Cramping body 3 is through free to rotate being installed on the back up pad 1 of bearing.Cramping body 3 is provided with the clamp system that is used for clamping work pieces.This clamp system is uniformly distributed with a plurality of hydraulic cylinders 11 that are provided with and are packed on the cramping body 3 by the axis around said cramping body 3 and constitutes.Along these cramping body 3 rotary motion trace radially be provided with dynamometer link 4, dynamometer link 4 is fixedly connected with cramping body 3.
Data acquisition display system 10 is connected with said pull pressure sensor through lead.
The high precision torque measuring method that is used for oil pipe assembling and disassembling stand of its realization is: cramping body 3 clamps a workpiece, and this workpiece is in stationary state in the spinner process, be designated as fixation workpiece.Another workpiece is in rotary state, is designated as turning of work piece.When turning of work piece rotated the enforcement spinner, turning of work piece transferred torque to fixation workpiece, and moment of torsion passes to cramping body 3 through fixation workpiece, and cramping body 3 passes to moment of torsion the dynamometer link 4 that is fixed together with it; The pull pressure sensor 8 that links to each other with dynamometer link 4 receives one and draws/pressure, and this draws/and pressure is the tangential force at the second bearing pin place, and the arm of force of this tangential force is the vertical range of the second bearing pin axis to fixation workpiece axis (being the axis that cramping body rotates).
And electric signal is transferred to data acquisition display system 10; This data acquisition display system 10 is the account form of the moment of torsion that workpiece bears according to the product of the tangential force and the arm of force, and the pressure data-switching is come out for the moment of torsion data digitized processes and displays of going forward side by side.
As other embodiments:
Pull pressure sensor in the foregoing description one can change pulling force sensor or pressure transducer into.
Implement two: when adopting pulling force sensor, pulling force sensor 12 need be provided with two, and is separately positioned on the both sides of said dynamometer link, and is as shown in Figure 3.
When the cramping body 3 of this embodiment had the trend of rotating counterclockwise under the drive of fixation workpiece, the pulling force sensor through dynamometer link 4 left sides recorded corresponding pulling force, calculates moment of torsion then.
When the cramping body 3 of this embodiment had the trend of clockwise rotating under the drive of fixation workpiece, the pulling force sensor through dynamometer link 4 right sides recorded corresponding pulling force, calculates moment of torsion then.
Implement three: during adopts pressure sensor, pressure transducer 13 also is to be provided with two, and is separately positioned on the both sides of said dynamometer link, and is as shown in Figure 4.
When the cramping body 3 of this embodiment had the trend of rotating counterclockwise under the drive of fixation workpiece, the pressure transducer through dynamometer link 4 right sides recorded corresponding pressure, calculates moment of torsion then.
When the cramping body 3 of this embodiment had the trend of clockwise rotating under the drive of fixation workpiece, the pressure transducer through dynamometer link 4 left sides recorded corresponding pressure, calculates moment of torsion then.
The present invention is not limited only to above-mentioned embodiment, and based on design of the present invention, the technical scheme that other that are adopted are equal to replacement all belongs to protection scope of the present invention.
Claims (6)
1. be used for the high precision torque-measuring apparatus of oil pipe assembling and disassembling stand, it is characterized in that, comprise back up pad, cramping body, dynamometer link, force cell and data acquisition display system;
Described cramping body is installed on the back up pad through bearing is rotating, and cramping body is provided with the clamp system that is used for clamping work pieces; The radially setting of the said cramping body rotary motion trace in said dynamometer link edge is also affixed with cramping body;
Described force cell receive force direction vertical with said dynamometer link; The threaded one end of force cell connects sensor holder, and the other end of said sensor holder is hinged through first bearing pin and said back up pad; The other end of the force cell sensor bulb that is threaded, the other end of said sensor bulb is hinged through second bearing pin and dynamometer link;
Described data acquisition display system is connected with said force cell through lead.
2. the high precision torque-measuring apparatus that is used for oil pipe assembling and disassembling stand according to claim 1 is characterized in that: said clamp system is uniformly distributed with a plurality of hydraulic cylinders that are provided with and are packed on the cramping body by the axis around said cramping body and constitutes.
3. the high precision torque-measuring apparatus that is used for oil pipe assembling and disassembling stand according to claim 1 and 2 is characterized in that: described force cell is a pull pressure sensor.
4. the high precision torque-measuring apparatus that is used for oil pipe assembling and disassembling stand according to claim 1 and 2 is characterized in that: described force cell is a pulling force sensor, and said pulling force sensor is provided with two, is separately positioned on the both sides of said dynamometer link.
5. the high precision torque-measuring apparatus that is used for oil pipe assembling and disassembling stand according to claim 1 and 2 is characterized in that: described force cell is a pressure transducer, and said pressure transducer is provided with two, is separately positioned on the both sides of said dynamometer link.
6. be used for the high precision torque measuring method of oil pipe assembling and disassembling stand, it is characterized in that, comprise the steps:
In the spinner process, the workpiece that is in rotary state is designated as turning of work piece, and the workpiece that is in stationary state is designated as fixation workpiece;
Utilize the described fixation workpiece of clamping device clamping, and said clamping device is arranged on one can be on the cramping body that said fixation workpiece axis rotates; Cramping body passes through Bearing Installation on fixing back up pad;
Described turning of work piece is applied moment of torsion, and turning of work piece rotates implements spinner, and turning of work piece transfers torque to described fixation workpiece, and moment of torsion passes to said cramping body through fixation workpiece;
Cramping body passes to said moment of torsion and is fixed together with it and along the dynamometer link that radially is provided with of cramping body rotary motion trace; Dynamometer link is direction and vertical the drawing of said dynamometer link/pressure with this goes through torque conversion; Through force cell this is drawn/pressure measures;
This draws/and the product of pressure and the arm of force promptly draws the value of said moment of torsion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210324526.6A CN102798494B (en) | 2012-09-04 | 2012-09-04 | High-precision torque measurement device and method for petroleum pipeline dismounting frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210324526.6A CN102798494B (en) | 2012-09-04 | 2012-09-04 | High-precision torque measurement device and method for petroleum pipeline dismounting frame |
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| CN102798494A true CN102798494A (en) | 2012-11-28 |
| CN102798494B CN102798494B (en) | 2014-06-04 |
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| CN201210324526.6A Active CN102798494B (en) | 2012-09-04 | 2012-09-04 | High-precision torque measurement device and method for petroleum pipeline dismounting frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900745A (en) * | 2012-12-25 | 2014-07-02 | 上海龙钰电梯配件有限公司 | Escalator drive shaft tensioning sleeve torque test device |
| CN111577189A (en) * | 2020-04-21 | 2020-08-25 | 中石化石油工程技术服务有限公司 | Testing device for underground jar |
| CN114061808A (en) * | 2021-11-17 | 2022-02-18 | 西安石油大学 | Mechanical sensor installation method and method for measuring torque of iron roughneck |
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| CN87213769U (en) * | 1987-09-29 | 1988-08-03 | 东北重型机械学院 | Assembling caliper type torque transducer |
| CN2932348Y (en) * | 2006-06-30 | 2007-08-08 | 上海汽车股份有限公司中国弹簧厂 | Radial direction multipoint ergometer |
| CN201569540U (en) * | 2009-11-27 | 2010-09-01 | 中国直升机设计研究所 | Novel torque loading calibrating device |
| CN201689006U (en) * | 2010-05-20 | 2010-12-29 | 苏州龙盛测试设备有限公司 | Pulling and twisting composite testing machine for high-intensity bolt |
| CN102435157A (en) * | 2011-12-08 | 2012-05-02 | 东南大学 | Comprehensive inspection bench for high-speed hydraulic power chuck |
| CN202770571U (en) * | 2012-09-04 | 2013-03-06 | 德州联合石油机械有限公司 | High precision torque-measuring device used for petroleum pipe dismounting rack |
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2012
- 2012-09-04 CN CN201210324526.6A patent/CN102798494B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213769U (en) * | 1987-09-29 | 1988-08-03 | 东北重型机械学院 | Assembling caliper type torque transducer |
| CN2932348Y (en) * | 2006-06-30 | 2007-08-08 | 上海汽车股份有限公司中国弹簧厂 | Radial direction multipoint ergometer |
| CN201569540U (en) * | 2009-11-27 | 2010-09-01 | 中国直升机设计研究所 | Novel torque loading calibrating device |
| CN201689006U (en) * | 2010-05-20 | 2010-12-29 | 苏州龙盛测试设备有限公司 | Pulling and twisting composite testing machine for high-intensity bolt |
| CN102435157A (en) * | 2011-12-08 | 2012-05-02 | 东南大学 | Comprehensive inspection bench for high-speed hydraulic power chuck |
| CN202770571U (en) * | 2012-09-04 | 2013-03-06 | 德州联合石油机械有限公司 | High precision torque-measuring device used for petroleum pipe dismounting rack |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900745A (en) * | 2012-12-25 | 2014-07-02 | 上海龙钰电梯配件有限公司 | Escalator drive shaft tensioning sleeve torque test device |
| CN103900745B (en) * | 2012-12-25 | 2016-09-14 | 上海龙钰电梯配件有限公司 | A kind of staircase drive shaft expansion sleeve force moment testing device |
| CN111577189A (en) * | 2020-04-21 | 2020-08-25 | 中石化石油工程技术服务有限公司 | Testing device for underground jar |
| CN114061808A (en) * | 2021-11-17 | 2022-02-18 | 西安石油大学 | Mechanical sensor installation method and method for measuring torque of iron roughneck |
| CN114061808B (en) * | 2021-11-17 | 2023-09-19 | 西安石油大学 | Mechanical sensor mounting method and method for measuring iron roughneck torque by using mechanical sensor |
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| CN102798494B (en) | 2014-06-04 |
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Address after: Jinghua Road, Dezhou Economic Development Zone, Shandong province 253000 Patentee after: Dezhou United Petroleum Polytron Technologies Inc Address before: 253000 Shandong Province, Dezhou City Economic Development Zone South Road crystal Patentee before: Dezhou United Petroleum Machinery Co., Ltd. |
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