CN103323159A - Checking method of oil casing screwing machine torque and checking device thereof - Google Patents
Checking method of oil casing screwing machine torque and checking device thereof Download PDFInfo
- Publication number
- CN103323159A CN103323159A CN2013102731685A CN201310273168A CN103323159A CN 103323159 A CN103323159 A CN 103323159A CN 2013102731685 A CN2013102731685 A CN 2013102731685A CN 201310273168 A CN201310273168 A CN 201310273168A CN 103323159 A CN103323159 A CN 103323159A
- Authority
- CN
- China
- Prior art keywords
- eccentric element
- thread screw
- machine
- column eccentric
- torque value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention belongs to the technical field of petroleum machinery production equipment and provides a checking method of an oil casing screwing machine torque and a checking device thereof. The method comprises the steps of calculating a torque value T3 which is generated by a cylindrical eccentric element and a counterweight together, using a computer to measure a torque value T4 which is generated by the cylindrical eccentric element and the counterweight, and revising a torque value displayed by the computer according to a correction factor K=T3/T4. The checking method is simple and is not influenced by outside factors. A checking result is correct. The checking device of the oil casing screwing machine torque comprises a screwing machine and an eccentric element. The cylindrical eccentric element comprises a clamping part and a fan-shaped protrusion which is concentrically arranged with the clamping part. The cylindrical eccentric element is placed on a supporting table to rotate freely. One edge of the fan-shaped protrusion is parallel with the horizontal plane. The checking device of the oil casing screwing machine torque also comprises the counterweight and has the advantages of simple structure, low manufacturing cost, simple use and accurate checking result.
Description
Technical field
The invention belongs to petroleum machinery production equipment technical field, relate in particular to a kind of method of calibration and calibration equipment thereof of tubing and casing thread screw on and-off machine moment of torsion.
Background technology
Present domestic tubing and casing producer twists at box cupling and all uses thread screw on and-off machine when being connected into the product tubing and casing, and box cupling is carried out upper button by the moment of torsion of API standard code, guarantees combining closely of box cupling screw thread and pipe thread by moment of torsion.
Thread screw on and-off machine clamps sleeve pipe with back-up tong first, then will lead the pincers jaw and also clamp, and operating computer provides power for main pincers by Hydraulic Station, main pincers is turned clockwise tighten box cupling.Tighten in the process at box cupling, main pincers rotation, back-up tong does not turn, back-up tong can be subjected to be subject to a corresponding reaction torque because of the anti-power of work, this reaction torque produces a pressure by the arm of force of back-up tong at the pressure transducer place, the power that is subject on the arm of force of back-up tong and the pressure transducer multiplies each other and multiply by suitable coefficient again and obtain corresponding torque value, and namely this twists torque value of button.
But thread screw on and-off machine in use, along with the long-time use of all parts, can make the damping force of equipment constantly become large, make torque value inaccurate, the verification way that can adopt at present is to paste the ess-strain sheet at standard round bar, measure the torque value that main pincers apply by the strain deformation of foil gauge, and then the principle by acting force and reacting force, come the moment of torsion of calibration equipment whether accurate, the method complicated operation, influence factor is many, such as temperature, humidity etc., and testing result is inaccurate.
Summary of the invention
Technical matters to be solved by this invention is: a kind of method of calibration of tubing and casing thread screw on and-off machine moment of torsion is provided, is intended to solve the existing method of inspection complicated operation that adopts the ess-strain sheet, the inaccurate technical matters of testing result.
For solving the problems of the technologies described above, technical scheme of the present invention is: tubing and casing is twisted the method for calibration of button moment of torsion, may further comprise the steps:
That (1) the column eccentric element is freely rotated is positioned on the brace table, described column eccentric element comprise with the suitable clamping section of the main pincers of thread screw on and-off machine and back-up tong and with the fan-shaped projection of the concentric setting in described clamping section, to be supported on the weighing device apart from L1 rice, described column eccentric element center, so that the quality W1 kilogram that a limit of fan-shaped projection is parallel with surface level and the record weighing device is measured, the torque value T1 that calculates described column eccentric element own wt generation is:
T1=W1*L1*9.8；
(2) be that the counterweight of W2 kilogram places distance L1 rice, described column eccentric element center with quality, calculate the torque value T2 that described balance weight produces and be:
T2=W2*L1*9.8；
The torque value T2 addition that the torque value T1 that the described column eccentric element own wt that (3) will calculate produces and described balance weight produce calculates the common torque value T3 that produces of described column eccentric element and counterweight:
T3=T1+T2;
(4) the described column eccentric element that L1 rice is provided with W2 kilogram counterweight is installed on the thread screw on and-off machine, and the main pincers described clamping section of free support of described thread screw on and-off machine and the back-up tong of described thread screw on and-off machine clamp described clamping section, the torque value T4 that the record computer shows;
(5) calculate the adjusted coefficient K=T3/T4 of computer;
(6) repeatedly change the weight of counterweight, repeating step (2), (3), (4) and (5) obtain another K value;
(7) repeating step (6), the mean value of calculating K is with the torque value of described mean value revision computer demonstration.
As a kind of improvement, in step (1), described brace table is provided with some to being symmetrical arranged rolling bearing, and the outer ring of described clamping section and rolling bearing offsets.
After having adopted technique scheme, the invention has the beneficial effects as follows:
In step (1), with being positioned on the brace table that the column eccentric element freely rotates, the column eccentric element comprises clamping section and fan-shaped projection, to be supported on the weighing device apart from L1 rice, column eccentric element center, so that a limit of fan-shaped projection is parallel with surface level, the column eccentric element just is being pressed on the weighing device, can measures accurately the quality of column eccentric element and calculate the torque value T1 that own wt produces.
In step (3), the torque value T2 addition that the torque value T1 that the column eccentric element own wt that calculates is produced and balance weight produce can accurately calculate the common real torque value T3 that produces of column eccentric element and counterweight.
In step (4), the column eccentric element that L1 rice is provided with counterweight is installed on the thread screw on and-off machine, the main pincers free support clamping section of thread screw on and-off machine and the back-up tong of thread screw on and-off machine clamp the clamping section, main pincers do not apply any external force, and the torque value T4 that computer shows is column eccentric element and the counterweight measured and jointly produces torque value.
In step (5), according to the torque value T4 that the accurately torque value T3 that calculates and computer are measured, can calculate the adjusted coefficient K=T3/T4 of computer.
In step (6) and step (7), change the weight of counterweight, calculate a plurality of adjusted coefficient Ks, ask the mean value of adjusted coefficient K, can improve the accuracy of the torque value of revision computer demonstration.
Some the outer ring of clamping section and rolling bearing offsets to being symmetrical arranged rolling bearing because brace table is provided with, and can the column eccentric element not applied external force and is fixed, and prevents movement.
The method of calibration of this tubing and casing thread screw on and-off machine moment of torsion, checking procedure is simple, is not subjected to the impact of extraneous factor, and check results is accurate.
The present invention has also solved another technical matters: a kind of calibration equipment of tubing and casing thread screw on and-off machine moment of torsion is provided, is intended to solve the inaccurate technical matters of employing ess-strain sheet verification torque value result.
For solving the problems of the technologies described above, technical scheme of the present invention is:
The calibration equipment of tubing and casing thread screw on and-off machine moment of torsion, comprise the thread screw on and-off machine that is provided with main pincers and back-up tong, described back-up tong connects computer by pressure transducer, the calibration equipment of described tubing and casing thread screw on and-off machine moment of torsion also comprises the column eccentric element, described column eccentric element comprise with the suitable clamping section of the main pincers of thread screw on and-off machine and back-up tong and with the fan-shaped projection of the concentric setting in described clamping section, what described column eccentric element freely rotated is positioned on the brace table, described fan-shaped protrusion distance L1 rice, described column eccentric element center and weighing device offset, and a limit of described fan-shaped projection is parallel with surface level; The calibration equipment of described tubing and casing thread screw on and-off machine moment of torsion also comprises the counterweight that is arranged at distance L1 rice, described column eccentric element center on the described fan-shaped projection.
As a kind of improvement, described brace table is provided with some to being symmetrical arranged rolling bearing, and the outer ring of described clamping section and rolling bearing offsets.
After having adopted technique scheme, the invention has the beneficial effects as follows:
Because the calibration equipment of tubing and casing thread screw on and-off machine moment of torsion comprises the column eccentric element, the column eccentric element comprises clamping section and the fan-shaped projection that arranges with one heart, what the column eccentric element freely rotated is positioned on the brace table, fan-shaped L1 rice, protrusion distance column eccentric element center and weighing device offset, a limit of fan-shaped projection is parallel with surface level, the column eccentric element just is being pressed on the weighing device, can measures accurately the quality of column eccentric element; Because the calibration equipment of tubing and casing thread screw on and-off machine moment of torsion also comprises the counterweight that is arranged on the fan-shaped projection apart from L1 rice, column eccentric element center, can increase the torque value that the column eccentric element produces, make the common torque value that produces of column eccentric element and counterweight within the effective range of sensor, improve the accuracy of verification, the different a plurality of counterweights of quality can be set in addition, carry out repeatedly verification, further improve the accuracy of verification.The calibration equipment of this tubing and casing thread screw on and-off machine moment of torsion, simple in structure, low cost of manufacture, check results is accurate.
Some the outer ring of clamping section and rolling bearing offsets to being symmetrical arranged rolling bearing because brace table is provided with, and can be fixed the column eccentric element, prevents movement.
Description of drawings
Fig. 1 is the structural representation of column eccentric element and counterweight in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention;
Fig. 2 is the structural representation that column eccentric element quality is provided in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention;
Fig. 3 is that column eccentric element and counterweight are installed in structural representation on the thread screw on and-off machine in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention;
Among the figure, 1, thread screw on and-off machine, 11, main pincers, 12, back-up tong, 13, sensor, 14, computer, 2, the column eccentric element, 21, the clamping section, 22, fan-shaped projection, 3, brace table, 31, rolling bearing, 4, weighing device, 5, counterweight.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of tubing and casing and twist the method for calibration of button moment of torsion, may further comprise the steps:
That (1) column eccentric element 2 is freely rotated is positioned on the brace table 3, column eccentric element 2 comprise with the suitable clamping section 21 of the main pincers 11 of thread screw on and-off machine 1 and back-up tong 12 and with fan-shaped protruding 22 of clamping section 21 concentric settings, brace table 3 is provided with some to being symmetrical arranged rolling bearing 31, clamping section 21 offsets with the outer ring of rolling bearing 31, to be supported on the weighing device 4 apart from L1 rice, column eccentric element 2 center, so that the quality W1 kilogram that a limit of fan-shaped protruding 22 is parallel with surface level and record weighing device 4 is measured, the torque value T1 that calculates the generation of column eccentric element 2 own wts is:
T1=W1*L1*9.8；
(2) be that the counterweight 5 of W2 kilogram places distance L1 rice, described column eccentric element center with quality, calculate the torque value T2 that counterweight 5 weight produce and be:
T2=W2*L1*9.8；
(3) the torque value T2 addition that the torque value T1 that column eccentric element 2 own wts that calculate is produced and counterweight 5 weight produce calculates column eccentric element 2 and the counterweight 5 common torque value T3 that produce:
T3=T1+T2;
(4) the column eccentric element 2 that L1 rice is provided with W2 kilogram counterweight 5 is installed on the thread screw on and-off machine 1, and the main pincers 11 free support clamping sections 21 of thread screw on and-off machine 1 and the back-up tong 12 of thread screw on and-off machine 1 clamp clamping sections 21, the torque value T4 that record computer 14 shows;
(5) calculate the adjusted coefficient K=T3/T4 of computer 14;
(6) weight of change counterweight 5, repeating step (2), (3), (4) and (5) obtain another K value;
(7) repeating step (6) repeatedly, the mean value of calculating K, the torque value that shows with mean value revision computer 5.
The method of calibration of tubing and casing thread screw on and-off machine moment of torsion provided by the invention, checking procedure is simple, is not subjected to the impact of extraneous factor, and check results is accurate.
The present invention also provides a kind of calibration equipment of tubing and casing thread screw on and-off machine moment of torsion:
Fig. 1 is the structural representation of column eccentric element and counterweight in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention, Fig. 2 is the structural representation that column eccentric element quality is provided in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention, Fig. 3 is that column eccentric element and counterweight are installed in structural representation on the thread screw on and-off machine in the calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that provides of the embodiment of the invention, for convenience of explanation, only provided part related to the present invention among the figure.
The calibration equipment of the tubing and casing thread screw on and-off machine moment of torsion that the embodiment of the invention provides, comprise the thread screw on and-off machine 1 that is provided with main pincers 11 and back-up tong 12, back-up tong 12 connects computer 14 by pressure transducer 13, the calibration equipment of tubing and casing thread screw on and-off machine moment of torsion also comprises column eccentric element 2, column eccentric element 2 comprise with the suitable clamping section 21 of the main pincers 11 of thread screw on and-off machine 1 and back-up tong 12 and with fan-shaped protruding 22 of clamping section 21 concentric settings, what column eccentric element 2 freely rotated is positioned on the brace table 3, fan-shaped protruding 22 offset apart from column eccentric element L1 rice, 2 center and weighing device 4, a limit of fan-shaped protruding 22 is parallel with surface level, column eccentric element 2 just is being pressed on the weighing device 4, can measures accurately the quality of column eccentric element 2; The calibration equipment of tubing and casing thread screw on and-off machine moment of torsion also comprises the counterweight 5 that is arranged on fan-shaped protruding 22 apart from L1 rice, column eccentric element 2 center, can increase the torque value that column eccentric element 2 produces, make column eccentric element 2 and the counterweight 5 common torque values that produce within the effective range of sensor 13, improve the accuracy of verification, the different a plurality of counterweights 5 of quality can be set in addition, carry out repeatedly verification, number of times further improves the accuracy of verification more than or equal to three times.
Brace table 3 is provided with some to being symmetrical arranged rolling bearing 31, and clamping section 21 offsets with the outer ring of rolling bearing 31, can be fixed column eccentric element 2, prevents movement.
The calibration equipment of tubing and casing thread screw on and-off machine moment of torsion provided by the invention, simple in structure, low cost of manufacture, check results is accurate.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the method for calibration of tubing and casing thread screw on and-off machine moment of torsion is characterized in that, may further comprise the steps:
That (1) the column eccentric element is freely rotated is positioned on the brace table, described column eccentric element comprise with the suitable clamping section of the main pincers of thread screw on and-off machine and back-up tong and with the fan-shaped projection of the concentric setting in described clamping section, to be supported on the weighing device apart from L1 rice, described column eccentric element center, so that the quality W1 kilogram that a limit of fan-shaped projection is parallel with surface level and the record weighing device is measured, the torque value T1 that calculates described column eccentric element own wt generation is:
T1=W1*L1*9.8；
(2) be that the counterweight of W2 kilogram places distance L1 rice, described column eccentric element center with quality, calculate the torque value T2 that described balance weight produces and be:
T2=W2*L1*9.8；
The torque value T2 addition that the torque value T1 that the described column eccentric element own wt that (3) will calculate produces and described balance weight produce calculates the common torque value T3 that produces of described column eccentric element and counterweight:
T3=T1+T2;
(4) the described column eccentric element that L1 rice is provided with W2 kilogram counterweight is installed on the thread screw on and-off machine, and the main pincers described clamping section of free support of described thread screw on and-off machine and the back-up tong of described thread screw on and-off machine clamp described clamping section, the torque value T4 that the record computer shows;
(5) calculate the adjusted coefficient K=T3/T4 of computer;
(6) weight of change counterweight, repeating step (2), (3), (4) and (5) obtain another K value;
(7) repeating step (6) repeatedly, the mean value of calculating K, the torque value that shows with described mean value revision computer.
2. such as the method for calibration of claim 1 described tubing and casing thread screw on and-off machine moment of torsion, it is characterized in that, in step (1), described brace table is provided with some to being symmetrical arranged rolling bearing, and the outer ring of described clamping section and rolling bearing offsets.
3. the calibration equipment of tubing and casing thread screw on and-off machine moment of torsion, comprise the thread screw on and-off machine that is provided with main pincers and back-up tong, described back-up tong connects computer by pressure transducer, it is characterized in that, the calibration equipment of described tubing and casing thread screw on and-off machine moment of torsion also comprises the column eccentric element, described column eccentric element comprise with the suitable clamping section of the main pincers of thread screw on and-off machine and back-up tong and with the fan-shaped projection of the concentric setting in described clamping section, what described column eccentric element freely rotated is positioned on the brace table, described fan-shaped protrusion distance L1 rice, described column eccentric element center and weighing device offset, and a limit of described fan-shaped projection is parallel with surface level; The calibration equipment of described tubing and casing thread screw on and-off machine moment of torsion also comprises the counterweight that is arranged at distance L1 rice, described column eccentric element center on the described fan-shaped projection.
4. such as the calibration equipment of claim 3 described tubing and casing thread screw on and-off machine moments of torsion, it is characterized in that, described brace table is provided with some to being symmetrical arranged rolling bearing, and the outer ring of described clamping section and rolling bearing offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273168.5A CN103323159B (en) | 2013-07-01 | 2013-07-01 | Checking method of oil casing screwing machine torque and checking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273168.5A CN103323159B (en) | 2013-07-01 | 2013-07-01 | Checking method of oil casing screwing machine torque and checking device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103323159A true CN103323159A (en) | 2013-09-25 |
| CN103323159B CN103323159B (en) | 2014-12-10 |
Family
ID=49192050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310273168.5A Active CN103323159B (en) | 2013-07-01 | 2013-07-01 | Checking method of oil casing screwing machine torque and checking device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103323159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390539A (en) * | 2020-01-08 | 2020-07-10 | 吴立中 | Pipe screwing machine and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356336Y (en) * | 1998-10-30 | 1999-12-29 | 仇宏展 | Automatic control torque instrument for hydraulic power oil pipe clamp |
| JP2002286564A (en) * | 2001-03-26 | 2002-10-03 | Seiko Epson Corp | Instrument and method for measuring torque of time piece |
| CN1944944A (en) * | 2005-10-03 | 2007-04-11 | 兰州兰新机械设备有限公司 | Thread screw on and-off machine for sleeve oil pipe |
| US20070113683A1 (en) * | 2005-10-21 | 2007-05-24 | Kayvan Hedayat | Torque sensor system including an elliptically magnetized shaft |
| CN202215168U (en) * | 2011-08-17 | 2012-05-09 | 中国石油化工股份有限公司 | Upper buckle auxiliary apparatus of oil pipe hanger |
-
2013
- 2013-07-01 CN CN201310273168.5A patent/CN103323159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356336Y (en) * | 1998-10-30 | 1999-12-29 | 仇宏展 | Automatic control torque instrument for hydraulic power oil pipe clamp |
| JP2002286564A (en) * | 2001-03-26 | 2002-10-03 | Seiko Epson Corp | Instrument and method for measuring torque of time piece |
| CN1944944A (en) * | 2005-10-03 | 2007-04-11 | 兰州兰新机械设备有限公司 | Thread screw on and-off machine for sleeve oil pipe |
| US20070113683A1 (en) * | 2005-10-21 | 2007-05-24 | Kayvan Hedayat | Torque sensor system including an elliptically magnetized shaft |
| CN202215168U (en) * | 2011-08-17 | 2012-05-09 | 中国石油化工股份有限公司 | Upper buckle auxiliary apparatus of oil pipe hanger |
Non-Patent Citations (1)
| Title |
|---|
| 康晓雷: "石油套管螺纹连接的密封结构", 《钻采工艺》, vol. 20, no. 01, 25 January 1997 (1997-01-25), pages 47 - 51 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390539A (en) * | 2020-01-08 | 2020-07-10 | 吴立中 | Pipe screwing machine and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103323159B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203772475U (en) | Measuring device for pretightening force of connector | |
| CN104269088B (en) | Mechanical experimental device and method for conducting experiment by applying same | |
| CN210005150U (en) | bolt axial force measuring device | |
| CN204357868U (en) | A kind of derrick detection foil gauge site frock | |
| CN103954262A (en) | Device for measuring radial deformation of cylindrical test piece | |
| CN107063845B (en) | Coordinated loading device and measuring method for axial force and bending moment of main material angle steel of power transmission tower | |
| CN203148778U (en) | Holder for dial indicator for measuring tensile deformation of steel bar joint | |
| CN107076791A (en) | By compression testing device, system and method | |
| CN203083883U (en) | Compressive deformation tester | |
| CN103323159B (en) | Checking method of oil casing screwing machine torque and checking device thereof | |
| CN203785964U (en) | Digital portable press | |
| CN103592216B (en) | The stress-strain test instrument of a kind of sealing strip and spring and method of testing thereof | |
| CN103047939A (en) | Evaluating method for engineering applicability of fiber bragg grating strain sensor | |
| CN204286937U (en) | A kind of carton checkout equipment | |
| CN104056881B (en) | Sheet metal bending apparatus | |
| CN107490514A (en) | Stretching and bending preload the frame compliance analysis method of lower impression test device | |
| CN203534767U (en) | Pressure sensor calibration device | |
| CN104634508A (en) | Pressure sensor calibration device | |
| CN203616050U (en) | Hydraulic reinforcing system | |
| CN203688369U (en) | Stress-control type direct shear apparatus | |
| CN203241180U (en) | Back-arch type pressure gauge | |
| CN205138691U (en) | Simple and easy torque -measuring apparatus | |
| CN108092475B (en) | A kind of assembling detection device of electric machine casing positioning bushing | |
| CN102661831B (en) | Reversing arrangement, vibroshock dynamometer machine pull to force value calibrating installation and calibration steps | |
| CN106225979A (en) | A kind of auto parts and components twisting resistance test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |