CN202770571U - High precision torque-measuring device used for petroleum pipe dismounting rack - Google Patents
High precision torque-measuring device used for petroleum pipe dismounting rack Download PDFInfo
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- CN202770571U CN202770571U CN 201220448102 CN201220448102U CN202770571U CN 202770571 U CN202770571 U CN 202770571U CN 201220448102 CN201220448102 CN 201220448102 CN 201220448102 U CN201220448102 U CN 201220448102U CN 202770571 U CN202770571 U CN 202770571U
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Abstract
The utility model relates to a high precision torque-measuring device used for a petroleum pipe dismounting rack. The high precision torque-measuring device comprises a support plate, a clamping body, a force measuring rod, a pull pressure sensor and a data acquisition display system, wherein the clamping body is rotatably mounted on the support plate through a bearing and provided with a workpiece clamping mechanism, the force measuring rod is arranged along a radial direction of a rotation track of the clamping body and fixedly connected with the clamping body, a stressed direction of a force measuring sensor is perpendicular to the force measuring rod, one end of the force measuring sensor is in thread connection with the sensor seat, the other end of the sensor seat is hinged with the support plate through a first pin shaft, the other end of the force measuring sensor is in thread connection with a sensor ball head, the other end of the sensor ball head is hinged with the force measuring rod through a second pin shaft, and the data acquisition display system is connected with the pull pressure sensor through lead. The high precision torque-measuring device can accurately measure a torque value during spinning, can display in a digital mode, can realize precise control of a torque and guarantees reliability of thread connection of products.
Description
Technical field
The utility model belongs to the petroleum machinery technical field, relates to the be threaded device of moment of torsion of a kind of measurement for oil pipe assembling and disassembling stand.
Background technology
In petroleum industry, the workpiece such as sleeve pipe, oil pipe, drilling rod, subsurface tool, shock sub, vibroshock and helicoid hydraulic motor all need to be threaded, and these product majorities are to use in subsurface environment, its reliability is particularly important, and the reliability that wherein is threaded is the principal element that affects these products.The reliability that at present control 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 arose at the historic moment, and these spinner equipment have generally just solved the problem of spinner, and the measurement of moment of torsion generally all is to gather the hydraulic pressure that drives oil cylinder, then by calculating torque value.The impact of this hydraulic system loss, mechanical loss and arm of force angle wherein all can't be estimated, so the torque value precision that draws is extremely low.In drilling process, cause screw thread damage that the screw thread fracture occurs 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 the down-hole accident such as well often to occur, the economic loss that causes less tens0000, up to ten million at most.At present also there is not a kind of high-precision torque-measuring apparatus to realize the accurate control of spinner moment of torsion.
The utility model content
The shortcoming that exists in order to overcome above-mentioned prior art, the purpose of this utility model is to provide a kind of high precision torque-measuring apparatus for oil pipe assembling and disassembling stand, torque value when this device can accurately be measured 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 utility model by the following technical solutions: be used for the high precision torque-measuring apparatus of oil pipe assembling and disassembling stand, 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 by bearing is rotating, and cramping body is provided with the clamp system for clamping work pieces; Described dynamometer link is along the radially setting of described cramping body rotary motion trace and affixed with cramping body;
Described force cell be subjected to force direction vertical with described dynamometer link; The threaded one end connecting sensor seat of force cell, the other end of described sensor holder is hinged by the first bearing pin and described back up pad; The other end of the force cell sensor bulb that is threaded, the other end of described sensor bulb is hinged by the second bearing pin and dynamometer link;
Described data acquisition display system is connected with described force cell by wire.
Preferably: described clamp system is by consisting of around the uniform setting of the axis of described cramping body and a plurality of hydraulic cylinders of being packed on the cramping body.
Preferably: described force cell is pull pressure sensor.
Preferably: described force cell is pulling force sensor, and described pulling force sensor is provided with two, is separately positioned on the both sides of described dynamometer link.
Preferably: described force cell is pressure transducer, and described pressure transducer is provided with two, is separately positioned on the both sides of described dynamometer link.
The beneficial effects of the utility model are:
The utilization pull pressure sensor of this utility model novelty or pulling force sensor or pressure transducer are in the counter-force that the workpiece of stationary state is subject to when measuring spinner, and draw reactive torque by this counter-force, thereby the spinner torque value is measured, simplify the structure, thereby avoided middle loss on the impact of measuring accuracy, also namely 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 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 drawings and Examples the utility model is described further:
Fig. 1 is the front view of the utility model embodiment one;
Fig. 2 is the right view of the utility model embodiment one;
Fig. 3 is the partial structurtes schematic diagram of the utility model embodiment two;
Fig. 4 is the partial structurtes schematic diagram of the utility model embodiment three;
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, 12 pulling force sensors, 13 pressure transducers.
Embodiment
Embodiment one: such as accompanying drawing 1, shown in Figure 2, should be used for the high precision torque-measuring apparatus of oil pipe assembling and disassembling stand, and comprise 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 piths of holding workpiece and transmitting torque.Cramping body 3 is by free to rotate being installed on the back up pad 1 of bearing.Cramping body 3 is provided with the clamp system for clamping work pieces.This clamp system is by consisting of around the uniform setting of the axis of described cramping body 3 and a plurality of hydraulic cylinders 11 of being packed on the cramping body 3.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 described pull pressure sensor by wire.
During use, 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 by 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 is subject to 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 second bearing pin axis to the vertical range of fixation workpiece axis (being the axis that cramping body rotates).
And with electric signal transmission 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 tangential force and the arm of force, the pressure data are converted to the moment of torsion data and carry out the digitizing processes and displays out.
As other embodiments:
Pull pressure sensor in above-described embodiment one can change pulling force sensor or pressure transducer into.
Implement two: when adopting pulling force sensor, pulling force sensor 12 need to arrange two, and is separately positioned on the both sides of described dynamometer link, 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 by dynamometer link 4 left sides recorded corresponding pulling force, then calculates moment of torsion.
When the cramping body 3 of this embodiment had the trend of clockwise rotating under the drive of fixation workpiece, the pulling force sensor by dynamometer link 4 right sides recorded corresponding pulling force, then calculates moment of torsion.
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 described dynamometer link, 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 by dynamometer link 4 right sides recorded corresponding pressure, then calculates moment of torsion.
When the cramping body 3 of this embodiment had the trend of clockwise rotating under the drive of fixation workpiece, the pressure transducer by dynamometer link 4 left sides recorded corresponding pressure, then calculates moment of torsion.
The utility model is not limited only to above-mentioned embodiment, and based on design of the present utility model, the technical scheme that other that adopt are equal to replacement all belongs to protection domain of the present utility model.
Claims (5)
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 by bearing is rotating, and cramping body is provided with the clamp system for clamping work pieces; Described dynamometer link is along the radially setting of described cramping body rotary motion trace and affixed with cramping body;
Described force cell be subjected to force direction vertical with described dynamometer link; The threaded one end connecting sensor seat of force cell, the other end of described sensor holder is hinged by the first bearing pin and described back up pad; The other end of the force cell sensor bulb that is threaded, the other end of described sensor bulb is hinged by the second bearing pin and dynamometer link;
Described data acquisition display system is connected with described force cell by wire.
2. the high precision torque-measuring apparatus for oil pipe assembling and disassembling stand according to claim 1 is characterized in that: described clamp system is by consisting of around the uniform setting of the axis of described cramping body and a plurality of hydraulic cylinders of being packed on the cramping body.
3. the high precision torque-measuring apparatus for oil pipe assembling and disassembling stand according to claim 1 and 2, it is characterized in that: described force cell is pull pressure sensor.
4. the high precision torque-measuring apparatus for oil pipe assembling and disassembling stand according to claim 1 and 2, it is characterized in that: described force cell is pulling force sensor, and described pulling force sensor is provided with two, is separately positioned on the both sides of described dynamometer link.
5. the high precision torque-measuring apparatus for oil pipe assembling and disassembling stand according to claim 1 and 2, it is characterized in that: described force cell is pressure transducer, and described pressure transducer is provided with two, is separately positioned on the both sides of described dynamometer link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448102 CN202770571U (en) | 2012-09-04 | 2012-09-04 | High precision torque-measuring device used for petroleum pipe dismounting rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448102 CN202770571U (en) | 2012-09-04 | 2012-09-04 | High precision torque-measuring device used for petroleum pipe dismounting rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770571U true CN202770571U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448102 Expired - Fee Related CN202770571U (en) | 2012-09-04 | 2012-09-04 | High precision torque-measuring device used for petroleum pipe dismounting rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798494A (en) * | 2012-09-04 | 2012-11-28 | 德州联合石油机械有限公司 | High-precision torque measurement device and method for petroleum pipeline dismounting frame |
| CN103808445A (en) * | 2014-01-15 | 2014-05-21 | 洛阳理工学院 | Portable manual bearing starting friction moment detector |
-
2012
- 2012-09-04 CN CN 201220448102 patent/CN202770571U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798494A (en) * | 2012-09-04 | 2012-11-28 | 德州联合石油机械有限公司 | High-precision torque measurement device and method for petroleum pipeline dismounting frame |
| CN103808445A (en) * | 2014-01-15 | 2014-05-21 | 洛阳理工学院 | Portable manual bearing starting friction moment detector |
| CN103808445B (en) * | 2014-01-15 | 2016-05-18 | 洛阳理工学院 | The manual detector of a kind of portable bearing starting friction moment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20140904 |
|
| EXPY | Termination of patent right or utility model |