CN111795773B - Large-torque sensor calibration device and calibration method - Google Patents
Large-torque sensor calibration device and calibration method Download PDFInfo
- Publication number
- CN111795773B CN111795773B CN202010794859.XA CN202010794859A CN111795773B CN 111795773 B CN111795773 B CN 111795773B CN 202010794859 A CN202010794859 A CN 202010794859A CN 111795773 B CN111795773 B CN 111795773B
- Authority
- CN
- China
- Prior art keywords
- calibration
- arm
- torque sensor
- bearing seat
- pin shaft
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
- G01L25/003—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring torque
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application relates to a calibration device and a calibration method for a large torque sensor, wherein the calibration device comprises a motor dynamometer positioned on a test bed, the output end of the motor dynamometer is connected with a torque sensor, the torque sensor is fixed on a bearing seat, a blocking rotating arm and a calibration arm are respectively arranged on two sides of the bearing seat, the calibration arm is arranged on a bearing seat base through a limiting bracket, and a blocking flange is arranged on one side of the calibration arm close to the motor dynamometer; one side of the calibration arm is connected with the bearing seat base through a lifting lug I, a double-end stud, a tension pressure sensor and a movable joint bolt I which are connected in sequence, and the tension pressure sensor is connected with a display instrument; the blocking rotating arm is connected with the output flange of the bearing seat, and one side of the blocking rotating arm is connected with the base of the bearing seat through a second lifting lug, a screw rod, an adjusting threaded sleeve and a second movable joint bolt which are connected in sequence. The calibration device and the calibration method of the high-torque sensor can realize the direct calibration on a test site and the stepless adjustment of loading force, and are suitable for the high-torque calibration.
Description
Technical Field
The invention relates to the technical field of torque calibration, in particular to a calibration device and a calibration method for a large-torque sensor.
Background
The flange type torque sensor is widely used as a metering device in production and test activities, the precision of the flange type torque sensor directly influences the accuracy of production and test, so that the flange type torque sensor needs to be calibrated and calibrated regularly, and weight calibration and sensor calibration are generally adopted in the prior art. The existing weight calibration mode has low efficiency and high cost, and cannot meet the requirement of large torque calibration, particularly the torque calibration requirement exceeding 5 KNm; the maximum calibration torque of the existing sensor can only reach 60KNm, and the structure is complex by adopting a pneumatic or hydraulic loading mode.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a high-torque sensor calibration device and a calibration method, and solves the technical problems that the existing calibration device is complex in structure and cannot meet high-torque calibration.
The invention is realized by the following technical scheme:
The high-torque sensor calibration device comprises a motor dynamometer positioned on a test bed, wherein the output end of the motor dynamometer is connected with a torque sensor which is fixed on a bearing seat, the left side and the right side of the bearing seat are respectively provided with a blocking arm and a calibration arm,
The calibration arm is arranged on the bearing seat base through a limiting bracket, a locked rotor flange is arranged on one side, close to the motor dynamometer, of the calibration arm, the calibration arm is connected with the limiting bracket through a pin shaft III, and the calibration arm is connected with the pin shaft III in a sliding manner; one side of the calibration arm is fixedly connected with a limit base on the bearing seat base through a lifting lug I, a double-end stud, a tension pressure sensor and a movable joint bolt I which are sequentially connected, and the tension pressure sensor is connected with a display instrument;
The blocking arm is connected with the bearing seat output flange, and one side of the blocking arm is fixedly connected with the limit base II on the bearing seat base through the lifting lug II, the screw rod, the adjusting thread bush and the movable joint bolt II which are sequentially connected.
Further, a jackscrew bolt I for pushing the calibration arm to move to one side of the bearing seat is arranged on one side of the limiting support, a jackscrew bolt II for pushing the calibration arm to move to one side of the motor dynamometer is arranged on the other side of the limiting support, a pin shaft III is fixed on the limiting support through a fixing bolt II, and a graphite copper sleeve is further arranged between the pin shaft III and the calibration arm; and the limiting bracket is also provided with a first fixing bolt for fixing the calibration arm.
Further, an output shaft of the motor dynamometer is connected with the torque sensor through a coupler.
Further, the bearing seat for installing the torque sensor is a bearing seat of a double bearing, and the torque sensor is connected with the bearing seat by a flexible coupling.
Further, the first lifting lug is connected with the calibration arm and the second lifting lug is connected with the locked rotor arm through a first pin shaft, and the loose joint bolt I is connected with the first limit base through a second pin shaft and the second swing joint bolt II is connected with the second limit base through a second pin shaft.
Furthermore, the inner holes of the movable joint bolt I and the movable joint bolt II are respectively provided with a joint bearing, and the pin shaft II is inserted into the joint bearings.
Further, the distance from the center of the torque sensor to the three centers of the pin shafts of the calibration arms is 1000+/-0.1 mm.
Further, one end of the upper part of the double-end stud, which is connected with the lifting lug, is a left-handed thread, one end of the lower part of the double-end stud, which is connected with the tension pressure sensor, is a right-handed thread, and the tension pressure sensor and the first movable joint bolt are both right-handed threads.
Further, the locked rotor arm is connected with the bearing seat output flange through a flat key, one end of the upper portion of the adjusting thread sleeve, which is connected with the screw, is a left-handed thread, one end of the lower portion of the adjusting thread sleeve, which is connected with the movable joint bolt II, is a right-handed thread, and the screw is a left-handed thread.
The calibration method of the calibration device of the large torque sensor specifically comprises the following steps:
S1: installing a calibration arm: pushing the calibration arm along the direction of the pin shaft III to enable the calibration arm to be close to one side of the motor dynamometer, rotating the locked rotor flange, aligning the locked rotor flange with a pin shaft hole on the calibration arm, inserting a locked rotor pin shaft, and connecting and fixing by a connecting bolt;
s2: installing a blocking arm: the locked rotor arm is fixedly connected with a limit base II on the bearing seat base through a lifting lug II, a screw rod, an adjusting thread sleeve and a movable joint bolt II which are connected in sequence;
S3: leveling and clearing: the third pin shaft on the calibration arm is disassembled, the level bar is placed on the plane of the calibration arm, and the adjusting screw thread sleeve is rotated until the calibration arm is horizontal; one end of a first lifting lug is connected with a calibration arm, the other end of the lifting lug is connected with a pulling pressure sensor through a stud, the lower end of the pulling pressure sensor is connected with a first limit base on a base of a bearing seat through a first movable joint bolt, the stud is rotationally adjusted to ensure that the reading of the pulling pressure sensor is zero, and the pulling pressure sensor is connected with a display instrument;
S4: calibrating: according to the required calibration direction of the torque sensor, the threaded sleeve is rotationally adjusted, tension is applied, and meanwhile, the display value of the display instrument of the tension pressure sensor and the reading of the torque sensor are recorded; repeating the operation to test several groups of data;
s5: and (3) calibrating: and comparing the values of the torque sensor and the pull pressure sensor, and calibrating the torque sensor according to a torque sensor calibration program.
Compared with the prior art, the invention has the beneficial effects that:
The calibration device and the calibration method for the large torque sensor can be used for directly calibrating the large torque sensor on the site of a test bed, parts such as the torque sensor and a coupler are not required to be disassembled, the operation is convenient, the calibration efficiency is high, the cost is low, the large torque sensor can be calibrated, the maximum calibration torque can reach 100KNm, and meanwhile, the possible damage to the torque sensor caused by repeated disassembly is avoided;
The screw sleeve is adopted to replace the traditional weight loading, the loading is convenient and quick, the stepless adjustment of the loading force can be realized, the loading efficiency is greatly improved, and the high-torque calibration is facilitated.
Drawings
FIG. 1 is a schematic perspective view of a calibration device for a high torque sensor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of a calibration device for a high torque sensor according to an embodiment of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a diagram illustrating the installation structure of the calibration device of the high torque sensor, the motor dynamometer and the test stand according to the embodiment of the invention;
FIG. 5 is a partial cross-sectional view of an installation structure between a graphite copper sleeve, a calibration arm and a limiting shaft according to an embodiment of the present invention;
FIG. 6 is a flowchart of a calibration method of a calibration device for a high torque sensor according to an embodiment of the present invention.
In the figure:
1. A torque sensor; 2. calibrating the arm; 3. a blocking arm; 41. lifting lug I; 42. lifting lugs II; 5. a pin shaft I; 6. a screw; 7. adjusting the threaded sleeve; 81. a movable joint bolt I; 82. a movable joint bolt II; 9. a second pin shaft; 101. a first limiting base; 102. a second limiting base; 11. a flat key; 12. a limit bracket; 13. a pull pressure sensor; 14. displaying the instrument; 15. a double-ended stud; 16. a jackscrew bolt I; 17. a connecting bolt; 18. a locked flange; 19. blocking the pin shaft; 20. a knuckle bearing; 21. a pin shaft III; 22. a jackscrew bolt II; 23. a first fixing bolt; 24. a graphite copper sleeve; 25. a second fixing bolt; 26. a bearing seat; 27. a bearing seat base; 28. a motor dynamometer; 29. a coupling.
Detailed Description
The following examples are presented to specifically illustrate certain embodiments of the invention and should not be construed as limiting the scope of the invention. Modifications to the disclosure of the invention can be made in both materials, methods and reaction conditions, all of which are intended to fall within the spirit and scope of the invention.
As shown in fig. 4-5, the existing test stand comprises a motor dynamometer, an output shaft of the motor dynamometer 28 is connected with a torque sensor 1 through a coupler 29, the torque sensor is fixed on a bearing seat 26 through a flexible coupler (such as a diaphragm coupler), the bearing seat 26 is fixed on the test stand through a bearing seat base 27, an output of the bearing seat 26 is connected with a tested piece (such as an engine), a calibration arm 2 is further arranged between the bearing seat 26 and the coupler 29, the calibration arm 2 is mounted on the bearing seat base 27 through a limiting bracket 12, a blocking flange 18 is arranged on one side, close to the motor dynamometer 28, of the calibration arm 2, the calibration arm 2 is connected with the limiting bracket 12 through a third pin 21, the calibration arm 2 is connected with the third pin 21 in a sliding manner, a jackscrew bolt 16 and a second jackscrew bolt 22 for pushing the calibration arm 2 to move leftwards and rightwards are mounted on the limiting bracket 12 through a second fixing bolt 25, and a graphite copper sleeve 24 is further arranged between the third pin 21 and the calibration arm 2; the limiting bracket 12 is also provided with a first fixing bolt 23 for fixing the calibration arm 2. When the test bed is used normally, the jackscrew bolt II 22 on the limiting support 12 is loosened, and the first fixing bolt 23 is used for fixing the calibration arm 2 at one end close to the bearing seat 26, so that the calibration arm 2 is separated from the locked rotor flange 18.
The large-scale power machinery test bench has the advantages that the mass of parts is large, the disassembly and assembly are inconvenient, therefore, a site calibration structure needs to be designed, and the disassembly and assembly torque sensor and the connection parts thereof are avoided as much as possible.
As shown in fig. 1-3, the calibration device of the high-torque sensor comprises a motor dynamometer 28 positioned on a test bed, wherein the output end of the motor dynamometer 28 is connected with a torque sensor 1, the torque sensor 1 is fixed on a bearing seat 26, the left side and the right side of the bearing seat 26 are respectively provided with a blocking arm 3 and a calibration arm 2, the calibration arm 2 is arranged on a bearing seat base 27 through a limiting bracket 12, one side, close to the motor dynamometer 28, of the calibration arm 2 is provided with a blocking flange 18, the calibration arm 2 is connected with the limiting bracket 12 through a pin shaft III 21, and the calibration arm 2 is in sliding connection with the pin shaft III 21; one side of the calibration arm 2 is fixedly connected with a first limit base 101 on the bearing seat base 27 through a first lifting lug 41, a double-end stud 15, a tension pressure sensor 13 and a first movable joint bolt 81 which are sequentially connected, and the tension pressure sensor 13 is connected with a display instrument 14; the locked rotor arm 3 is connected with an output flange of the bearing seat 26, and one side of the locked rotor arm 3 is connected and fixed with a second limit base 102 on the bearing seat base 27 through a second lifting lug 42, a screw rod 6, an adjusting thread bush 7 and a second movable joint bolt 82 which are sequentially connected.
In this embodiment, a first jackscrew bolt 16 for pushing the calibration arm 2 to move to one side of the bearing seat 26 is installed on one side of the limiting support 12, a second jackscrew bolt 22 for pushing the calibration arm 2 to move to one side of the motor dynamometer 28 is installed on the other side of the limiting support 12, a third pin shaft 21 is fixed on the limiting support 12 through a second fixing bolt 25, a graphite copper sleeve 24 is further arranged between the third pin shaft 21 and the calibration arm 2, and friction force of the calibration arm 2 sliding on the third pin shaft 21 is reduced; the limiting support 12 is also provided with a first fixing bolt 23 for fixing the calibration arm 2, the calibration arm 2 is moved away from the locked-rotor flange 18 in the test process, and the calibration arm 2 after the movement is fixed on the limiting support 12 by the first fixing bolt 23.
In this embodiment, the output shaft of the motor dynamometer 28 is connected with the torque sensor 1 through a coupling 29, the bearing seat 26 for mounting the torque sensor 1 is a double-bearing seat 26, and the torque sensor 1 is connected with the bearing seat 26 by a flexible coupling, so as to avoid the damage to the torque sensor 1 due to the power impact of the measured piece.
In this embodiment, the first lifting lug 41 is connected with the calibration arm 2, the second lifting lug 42 is connected with the locked rotor arm 3 through a first pin shaft 5, and the loose joint bolt one is connected with the first limit base 101, and the loose joint bolt two 82 is connected with the second limit base 102 through a second pin shaft 9; the inner holes of the movable joint bolt I and the movable joint bolt II 82 are respectively provided with a joint bearing 20, and the pin shaft II 9 is inserted into the joint bearing 20; the influence of processing errors (such as non-parallelism between the mounting holes of the first pin shaft 5 of the calibration arm 2 and the mounting holes of the second pin shaft 9 of the limit base 10) on the calibration precision is reduced.
In this embodiment, the distance from the center of the torque sensor 1 to the center of the pin shaft three 21 of the calibration arm 2 is 1000±0.1mm, so that the reading value of the force displayed by the tension pressure sensor 13 can be directly converted into a torque value.
In this embodiment, one end of the upper portion of the stud 15 connected to the first lifting lug 41 is a left-handed thread, one end of the lower portion of the stud 15 connected to the pull pressure sensor 13 is a right-handed thread, and the pull pressure sensor 13 and the first swing bolt 81 are both right-handed threads; the installation height of the first movable joint bolt 81 can be adjusted by rotating the double-end stud 15, so that the initial state of the tension pressure sensor 13 is ensured not to be subjected to external force.
In this embodiment, the locked rotor arm 3 is connected with an output flange of the bearing seat 26 through a flat key 11, one end of the upper part of the adjusting thread sleeve 7 connected with the screw rod 6 is a left-handed thread, one end of the lower part of the adjusting thread sleeve 7 connected with the movable joint bolt two 82 is a right-handed thread, and the screw rod 6 is a left-handed thread; the installation height of the movable joint bolt II 82 can be adjusted by rotating the adjusting threaded sleeve 7, and the level of the calibration arm 2 can be adjusted after the movable joint bolt II is connected with the limiting base II 102.
As shown in fig. 6, a calibration method of the calibration device of the high torque sensor specifically includes the following steps:
s1: mounting a calibration arm 2: the calibration arm 2 is pushed along the direction of the pin shaft III 21 to be close to one side of the motor dynamometer 28, the locked rotor flange 18 is rotated, the locked rotor flange 18 is aligned with pin shaft holes on the calibration arm 2, 8 locked rotor pins 19 are inserted, and 8 connecting bolts 17 are installed for connection and fixation;
S2: installing a blocking arm 3: the blocking arm 3 is fixedly connected with a second limit base 102 on the bearing seat base 27 through a second lifting lug 42, a screw rod 6, an adjusting thread bush 7 and a second movable joint bolt 82 which are sequentially connected, the blocking arm 3 is connected with the second lifting lug 42 through a first pin shaft 5, a movable joint bearing is arranged in the second movable joint bolt 82, and the second movable joint bolt 82 is fixed on the second limit base 102 through the movable joint bearing in the second movable joint bolt 82 through a pin shaft;
S3: leveling and clearing: the pin shaft III 21 on the calibration arm 2 is disassembled, a level bar is placed on the plane A of the calibration arm 2, and the adjusting screw sleeve 7 is rotated until the calibration arm 2 is horizontal; one end of a first lifting lug 41 is connected with the calibration arm 2, the other end of the lifting lug is connected with the tension pressure sensor 13 through a stud 15, the lower end of the tension pressure sensor 13 is connected with a first limit base 101 on a bearing seat base 27 through a first movable joint bolt 81, the rotation adjustment stud 15 ensures that the tension pressure sensor 13 reads zero, the tension pressure sensor 13 is not stressed, and the tension pressure sensor 13 is connected with the display instrument 14;
S4: calibrating: according to the required calibration direction of the torque sensor 1, using a spanner to rotate and adjust the threaded sleeve 7, applying tension, and simultaneously recording the display value of the display instrument 14 of the tension pressure sensor 13 and the reading of the torque sensor 1; repeating the operation to test several groups of data;
S5: and (3) calibrating: the torque sensor 1 is calibrated according to a torque sensor calibration program by comparing the values of the torque sensor 1 and the pull pressure sensor 13.
S6: after the calibration of one direction of the torque sensor 1 is completed, the pull pressure sensor 13 and a connecting piece thereof are required to be installed on the other side of the calibration arm 2, and meanwhile, the adjusting thread bush 7 and the connecting piece thereof are also required to be installed on the other side of the locked rotor arm 3, and the other direction of the torque sensor 1 is calibrated according to the operation steps of S5-S5.
The calibration device and the calibration method of the large torque sensor are suitable for calibrating the torque sensor of a test bed of a large power machine (such as a marine diesel engine), the calibration torque can reach 100KNm, the convenient switching between the test and the calibration is realized, the torque sensor and parts connected with the torque sensor are not required to be disassembled and assembled during the calibration, the calibration is convenient, the simplicity and the high efficiency are realized, and the cost is low; the stepless adjustment of loading is realized by adjusting the tension applied on the adjusting screw sleeve, and compared with the loading of the existing weight, the loading efficiency is higher, and the high-torque calibration is more facilitated.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
1. The large torque sensor calibration device comprises a motor dynamometer (28) positioned on a test bed, wherein the output end of the motor dynamometer (28) is connected with a torque sensor (1), the torque sensor (1) is fixed on a bearing seat (26), the large torque sensor calibration device is characterized in that a blocking arm (3) and a calibration arm (2) are respectively arranged on the left side and the right side of the bearing seat (26),
The calibration arm (2) is arranged on the bearing seat base (27) through the limit bracket (12), a locked rotor flange (18) is arranged on one side, close to the motor dynamometer (28), of the calibration arm (2), the calibration arm (2) is connected with the limit bracket (12) through a pin shaft III (21), and the calibration arm (2) is in sliding connection on the pin shaft III (21); one side of the calibration arm (2) is fixedly connected with a first limit base (101) on a bearing seat base (27) through a first lifting lug (41), a double-end stud (15), a tension pressure sensor (13) and a first movable joint bolt (81) which are sequentially connected, and the tension pressure sensor (13) is connected with a display instrument (14);
The anti-rotation device is characterized in that the anti-rotation arm (3) is connected with an output flange of the bearing seat (26), and one side of the anti-rotation arm (3) is fixedly connected with a limit base II (102) on the bearing seat base (27) through a lifting lug II (42), a screw (6), an adjusting threaded sleeve (7) and a movable joint bolt II (82) which are sequentially connected.
2. The high-torque sensor calibration device according to claim 1, wherein a first jackscrew bolt (16) for pushing the calibration arm (2) to move towards one side of the bearing seat (26) is arranged on one side of the limit bracket (12), a second jackscrew bolt (22) for pushing the calibration arm (2) to move towards one side of the motor dynamometer (28) is arranged on the other side of the limit bracket (12), a third pin shaft (21) is fixed on the limit bracket (12) through a second fixing bolt (25), and a graphite copper sleeve (24) is arranged between the third pin shaft (21) and the calibration arm (2); and the limiting bracket (12) is also provided with a first fixing bolt (23) for fixing the calibration arm (2).
3. The high-torque sensor calibration device according to claim 1, wherein the output shaft of the motor dynamometer (28) is connected with the torque sensor (1) through a coupling (29).
4. The high-torque sensor calibration device according to claim 1, wherein the bearing seat (26) for mounting the torque sensor (1) is a double-bearing seat (26), and the torque sensor (1) is connected with the bearing seat (26) by a flexible coupling.
5. The high-torque sensor calibration device according to claim 1, wherein the first lifting lug (41) is connected with the calibration arm (2) and the second lifting lug (42) is connected with the locked rotor arm (3) through a first pin shaft (5), and the first movable joint bolt (81) is connected with the first limit base (101) and the second movable joint bolt (82) is connected with the second limit base (102) through a second pin shaft (9).
6. The high-torque sensor calibration device according to claim 5, wherein the inner holes of the first movable joint bolt (81) and the second movable joint bolt (82) are respectively provided with a movable joint bearing (20), and the second pin shaft (9) is inserted into the movable joint bearing (20).
7. The high-torque sensor calibration device according to claim 1, wherein the distance from the center of the torque sensor (1) to the center of the pin three (21) of the calibration arm (2) is 1000+/-0.1 mm.
8. The high torque sensor calibration device according to claim 1, wherein one end of the upper part of the stud (15) connected with the first lifting lug (41) is a left-handed thread, one end of the lower part of the stud (15) connected with the pull pressure sensor (13) is a right-handed thread, and the pull pressure sensor (13) and the first swing bolt (81) are both right-handed threads.
9. The high-torque sensor calibration device according to claim 1, wherein the blocking arm (3) is connected with an output flange of the bearing seat (26) through a flat key (11), one end of the upper portion of the adjusting thread sleeve (7) connected with the screw rod (6) is left-handed threads, one end of the lower portion of the adjusting thread sleeve (7) connected with the movable joint bolt II (82) is right-handed threads, and the screw rod (6) is left-handed threads.
10. A method for calibrating a high torque sensor calibration device according to any one of claims 1-9, comprising the steps of:
S1: mounting a calibration arm (2): the calibration arm (2) is pushed along the direction of the pin shaft III (21) to be close to one side of the motor dynamometer (28), the locked rotor flange (18) is rotated, the locked rotor flange (18) is aligned with a pin shaft hole on the calibration arm (2), and the locked rotor pin shaft (19) and the connecting bolt (17) are inserted for connection and fixation;
s2: mounting a blocking arm (3): the blocking arm (3) is fixedly connected with a limit base II (102) on a bearing seat base (27) through a lifting lug II (42), a screw (6), an adjusting thread sleeve (7) and a movable joint bolt II (82) which are connected in sequence;
S3: leveling and clearing: the pin shaft III (21) on the calibration arm (2) is disassembled, the level bar is placed on the plane of the calibration arm (2), and the adjusting screw sleeve (7) is rotated until the calibration arm (2) is positioned at the level; one end of a first lifting lug (41) is connected with a calibration arm (2), the other end of the lifting lug is connected with a pulling pressure sensor (13) through a stud (15), the lower end of the pulling pressure sensor (13) is connected with a first limit base (101) on a bearing seat base (27) through a first movable joint bolt (81), the reading of the pulling pressure sensor (13) is guaranteed to be zero by rotating and adjusting the stud (15), and the pulling pressure sensor (13) is connected with a display instrument (14);
S4: calibrating: according to the required calibration direction of the torque sensor (1), the thread bush (7) is rotationally adjusted, tension is applied, and meanwhile, the display value of the display instrument (14) of the tension pressure sensor (13) and the reading of the torque sensor (1) are recorded; repeating the operation to test several groups of data;
S5: and (3) calibrating: and comparing the values of the torque sensor (1) and the pull pressure sensor (13), and calibrating the torque sensor (1) according to a torque sensor calibration program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794859.XA CN111795773B (en) | 2020-08-10 | 2020-08-10 | Large-torque sensor calibration device and calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794859.XA CN111795773B (en) | 2020-08-10 | 2020-08-10 | Large-torque sensor calibration device and calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111795773A CN111795773A (en) | 2020-10-20 |
| CN111795773B true CN111795773B (en) | 2024-04-26 |
Family
ID=72833848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010794859.XA Active CN111795773B (en) | 2020-08-10 | 2020-08-10 | Large-torque sensor calibration device and calibration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111795773B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199711B (en) * | 2021-11-30 | 2024-01-09 | 天津大学 | Torque calibration method for tension-torsion fatigue testing machine |
| CN114264405B (en) * | 2021-12-29 | 2022-10-14 | 山东欧瑞安电气有限公司 | Large-torque sensor calibration device and calibration method thereof |
| CN114993554A (en) * | 2022-07-18 | 2022-09-02 | 宝克(中国)测试设备有限公司 | Calibration device and calibration method for heavy chassis dynamometer |
| CN115356038B (en) * | 2022-08-17 | 2024-07-19 | 上海顺试汽车科技有限公司 | Calibration device and method for torque sensor |
| CN117148149B (en) * | 2023-10-30 | 2024-02-06 | 中汽研汽车检验中心(宁波)有限公司 | Environment bin suitable for different motor mounting modes |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019049A (en) * | 1998-07-03 | 2000-01-21 | Horiba Ltd | Device for calibrating torque sensor for dynamo |
| WO2008061629A1 (en) * | 2006-11-24 | 2008-05-29 | Horiba Automotive Test Systems Gmbh | Device and method for calibrating torque measuring devices |
| CN205642728U (en) * | 2016-04-19 | 2016-10-12 | 洛阳西苑车辆与动力检验所有限公司 | Disk torque sensor calibration device |
| CN205879440U (en) * | 2016-07-19 | 2017-01-11 | 湖南湘仪动力测试仪器有限公司 | Electric power dynamometer machine calibration device |
| CN108318177A (en) * | 2018-04-16 | 2018-07-24 | 洛阳西苑车辆与动力检验所有限公司 | A kind of Portable torque sensor calibration apparatus |
| CN109827684A (en) * | 2019-03-05 | 2019-05-31 | 陕西航天时代导航设备有限公司 | A kind of torque motor torque fluctuations tester and test method |
| CN209513147U (en) * | 2019-03-26 | 2019-10-18 | 新乡市源野电子股份有限公司 | A kind of disc type torque sensor calibrating device |
| CN209513146U (en) * | 2019-03-26 | 2019-10-18 | 新乡市源野电子股份有限公司 | A kind of torque calibrating device of large torque sensor |
| CN210603718U (en) * | 2019-06-03 | 2020-05-22 | 海卓(武汉)自动化科技有限公司 | Self-balancing large-torque sensor calibration device |
| CN210741740U (en) * | 2019-06-03 | 2020-06-12 | 海卓(武汉)自动化科技有限公司 | Calibration device for torque sensor |
| CN212482784U (en) * | 2020-08-10 | 2021-02-05 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10317303B2 (en) * | 2015-11-10 | 2019-06-11 | Steven Spirer | Tension and torque calibration apparatus |
| US11486786B2 (en) * | 2018-11-26 | 2022-11-01 | Gary Childers | Torque testing and calibration system |
-
2020
- 2020-08-10 CN CN202010794859.XA patent/CN111795773B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000019049A (en) * | 1998-07-03 | 2000-01-21 | Horiba Ltd | Device for calibrating torque sensor for dynamo |
| WO2008061629A1 (en) * | 2006-11-24 | 2008-05-29 | Horiba Automotive Test Systems Gmbh | Device and method for calibrating torque measuring devices |
| CN205642728U (en) * | 2016-04-19 | 2016-10-12 | 洛阳西苑车辆与动力检验所有限公司 | Disk torque sensor calibration device |
| CN205879440U (en) * | 2016-07-19 | 2017-01-11 | 湖南湘仪动力测试仪器有限公司 | Electric power dynamometer machine calibration device |
| CN108318177A (en) * | 2018-04-16 | 2018-07-24 | 洛阳西苑车辆与动力检验所有限公司 | A kind of Portable torque sensor calibration apparatus |
| CN109827684A (en) * | 2019-03-05 | 2019-05-31 | 陕西航天时代导航设备有限公司 | A kind of torque motor torque fluctuations tester and test method |
| CN209513147U (en) * | 2019-03-26 | 2019-10-18 | 新乡市源野电子股份有限公司 | A kind of disc type torque sensor calibrating device |
| CN209513146U (en) * | 2019-03-26 | 2019-10-18 | 新乡市源野电子股份有限公司 | A kind of torque calibrating device of large torque sensor |
| CN210603718U (en) * | 2019-06-03 | 2020-05-22 | 海卓(武汉)自动化科技有限公司 | Self-balancing large-torque sensor calibration device |
| CN210741740U (en) * | 2019-06-03 | 2020-06-12 | 海卓(武汉)自动化科技有限公司 | Calibration device for torque sensor |
| CN212482784U (en) * | 2020-08-10 | 2021-02-05 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111795773A (en) | 2020-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111795773B (en) | Large-torque sensor calibration device and calibration method | |
| CN212482784U (en) | Large-torque sensor calibration device | |
| CN108709793B (en) | Loading device and method for bending-torsion vibration fatigue test | |
| CN100575914C (en) | A kind of constant Loading tension-compression test machine | |
| CN210741740U (en) | Calibration device for torque sensor | |
| CN111044215B (en) | Centering reference type torque sensor calibration and test bench | |
| CN110514378B (en) | Vibration fatigue test device for fan blade with convex shoulder of engine | |
| CN110726636B (en) | Four-axis centering adjustment system and method for biaxial tensile testing machine | |
| CN202471397U (en) | Elastic support parts flexibility tester | |
| CN210603718U (en) | Self-balancing large-torque sensor calibration device | |
| CN110836830A (en) | Fatigue testing machine capable of adjusting coaxiality and loading chain centering adjustment method | |
| CN116625676B (en) | Universal speed reducer test device | |
| CN104390737A (en) | Screwdriver slot torque test method of fastener and test device for implementing the method | |
| CN111795893A (en) | Axle bearing load simulation detection device | |
| CN109623358B (en) | Coaxiality adjusting mechanism for coping with thin short shaft | |
| CN107515162B (en) | Mechanical static torque testing machine | |
| CN110174207A (en) | A kind of high speed ball screw feeding test lead screw preload force checking device | |
| CN116046593A (en) | Calibration device and calibration method for automobile hub bearing unit rotating bending fatigue testing machine | |
| CN209737000U (en) | Coaxiality adjusting mechanism for thin and short shafts | |
| CN211179394U (en) | Four-axis centering adjustment system for biaxial tensile testing machine | |
| CN219757614U (en) | Dynamic balance testing device for hydraulic motor | |
| CN219956397U (en) | Centering and aligning tool for coupler | |
| CN221883053U (en) | Engine centering device for engine test bed | |
| CN217059166U (en) | Online wind-powered electricity generation complete machine test bench moment of torsion calibration device | |
| CN218847603U (en) | Fatigue strength's testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |