CN217466089U - Static calibration device and system for torque sensor - Google Patents
Static calibration device and system for torque sensor Download PDFInfo
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- CN217466089U CN217466089U CN202221315886.5U CN202221315886U CN217466089U CN 217466089 U CN217466089 U CN 217466089U CN 202221315886 U CN202221315886 U CN 202221315886U CN 217466089 U CN217466089 U CN 217466089U
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Abstract
The utility model discloses a static calibrating device of torque sensor and system, the static calibrating device of torque sensor includes the testboard base, be equipped with coupling mechanism and actuating mechanism on the testboard base, lie in on the testboard base coupling mechanism's one end is equipped with standard region, coupling mechanism's the other end with it is regional to form the test between the actuating mechanism, the actuating mechanism electricity is connected with the controller, be equipped with standard signal input part and surveyed signal input part on the controller. The static calibration device of the torque sensor can realize calibration of torque sensors with different measuring ranges.
Description
Technical Field
The utility model belongs to the technical field of torque sensor detects, concretely relates to static calibrating device of torque sensor and system.
Background
Torque sensors (also called torque sensors, torquemeters) are classified into two major categories, namely dynamic and static, wherein dynamic torque sensors can be called torque sensors, torque and rotation speed sensors, non-contact torque sensors, rotation torque sensors, and the like. It is the detection of the perception of torsional moments on various rotating or non-rotating mechanical parts. The physical change of the torque force is converted into an accurate electric signal. The torque sensor is one of instruments which are very flexible and sensitive in industrial automation application, and the working precision of the torque sensor is also quite high.
The existing common calibration methods for the torque sensor comprise weight lever calibration, detection table calibration and dynamic calibration, wherein the weight lever calibration is generally suitable for small-range torque sensors, weights with larger mass need to be placed on a limited force arm for large-range torque sensor weight lever calibration, the operation difficulty is high, and the requirement on the strength of a mechanism is high; the torque sensor needs to be detached from the equipment for detection and calibration in the detection of the detection table, the torque sensor can be calibrated only, and the influence of deviation of the test table on the torque sensor when the torque sensor is applied to the test table is ignored; the dynamic calibration obtains a rapid change in torque with time at the time of calibration, and the obtained value is not necessarily an ideal value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a static calibrating device of torque sensor and system can realize being applicable to the torque sensor's of different ranges calibration.
The technical scheme for achieving the purpose comprises the following steps.
The utility model provides a static calibrating device of torque sensor, includes the testboard base, be equipped with standard torque sensor, coupling mechanism and actuating mechanism on the testboard base, standard torque sensor with coupling mechanism one end rigid connection, coupling mechanism's the other end with it is regional to form the test between the actuating mechanism, the actuating mechanism electricity is connected with the controller, be equipped with standard signal input part on the controller and surveyed signal input part.
In some embodiments, the connecting mechanism includes a transmission shaft, a first connecting member is disposed at one end of the transmission shaft, a second connecting member is disposed at the other end of the transmission shaft, the first connecting member is rigidly connected to the standard torque sensor, and the second connecting member extends into the test area.
In some embodiments, the first connecting member includes a first connecting plate and a second connecting plate, the first connecting plate is connected with the transmission shaft at one end, the second connecting plate is rigidly connected with the second connecting plate at the other end, and the second connecting plate is rigidly connected with the standard torque sensor at the other end.
In some embodiments, the test bench base is provided with a support seat, and the transmission shaft is arranged on the support seat.
In some embodiments, a first support is arranged on the test bench base, the standard torque sensor is arranged on the first support, and a second support is arranged in the test area.
In some embodiments, a first connecting seat is provided on the standard torque sensor, and the first connecting seat is connected with the first bracket.
In some embodiments, the controller includes a control cabinet and a torque indicator, and the control cabinet is disposed on the base of the test bench, or disposed outside the base of the test bench, and electrically connected to the driving mechanism.
In some embodiments, the torque indicator is disposed on the first bracket or the second bracket, and the torque indicator is connected to the standard torque sensor.
In some of these embodiments, the drive mechanism includes a drive member having a third connector at an end thereof, the third connector extending into the test zone.
The utility model provides a static calibration system of torque sensor, includes the testboard base, be equipped with standard torque sensor on the testboard base, treat calibration torque sensor, coupling mechanism and actuating mechanism, standard torque sensor with coupling mechanism one end rigid connection, coupling mechanism's the other end with treat calibration torque sensor and connect, treat the calibration torque sensor other end with the actuating mechanism transmission is connected, the actuating mechanism electricity is connected with the controller, the controller respectively with standard torque sensor with treat calibration torque sensor electricity and be connected.
The torque sensor static calibration device and system provided by the utility model, through arranging the connecting mechanism and the driving mechanism on the test board, a test area is formed between the connecting mechanism and the driving mechanism for installing the torque sensor to be calibrated, one end of the torque sensor to be calibrated is connected with the driving mechanism in a transmission way, the other end of the torque sensor to be calibrated is connected with the connecting mechanism, a standard area positioned at the other end of the connecting mechanism is arranged on the base of the test board for installing the standard torque sensor, the other end of the connecting mechanism extends into the standard area to be rigidly connected with the standard torque sensor, when the driving mechanism is operated to apply torque to the torque sensor to be calibrated, the connecting mechanism can not rotate under the driving of the driving mechanism, but transmits the same torque to the standard torque sensor, thereby obtaining the standard torque sensor and the torque sensor to be calibrated under the state of the same torque action, and the measured standard torque value and the torque value to be calibrated are compared after the torque value to be calibrated and the standard torque value are received by the controller, and the torque sensor to be calibrated is calibrated.
The utility model provides a static calibrating device of torque sensor and system is connected with the controller through the electricity on actuating mechanism, utilizes the different torsion of controller control actuating mechanism output for standard torque sensor and the torque sensor who treats the calibration obtain the different torque value of multiunit and carry out the comparison, improve the accuracy and the reliability of calibration.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged view of a portion a of fig. 1 according to the present invention;
fig. 3 is a partially enlarged view of a portion B of fig. 1 according to the present invention.
Description of reference numerals:
10. a test bed base; 101. a supporting seat; 102. a bearing support; 103. a first bracket; 104. a second bracket; 105. a mounting seat; 20. a standard torque sensor; 201. a first connecting seat; 30. a connecting mechanism; 301. a first connecting member; 3011. a first connecting plate; 3012. a second connecting plate; 3013. connecting the pipe body; 302. a second connecting member; 303. a drive shaft; 40. a drive mechanism; 401. a drive member; 402. a third connecting member; 50. a control cabinet; 501. a sliding wheel; 60. a torque sensor to be calibrated; 601. a second connecting seat; 70. a third support; 80. and a torque display instrument.
Detailed Description
In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It should be noted that "fixed" and "connected" in this document may be directly fixed or connected to one element or may be indirectly fixed or connected to one element.
As shown in fig. 1 to 3, the static calibration device for the torque sensor comprises a test bench base 10, wherein an installation seat 105 is arranged on the test bench base 10, a driving mechanism 40 is arranged on the installation seat 105, a support seat 101 is arranged on the test bench base 10, the support seat 101 is located on one side of the installation seat 105, and a connecting mechanism 30 is arranged on the support seat 101.
A test area (not shown) is formed between the connecting mechanism 30 and the driving mechanism 40, the test area is used for installing the torque sensor 60 to be calibrated, when the torque sensor 60 to be calibrated is installed in the test area, one end of the torque sensor 60 to be calibrated is in transmission connection with the driving mechanism 40, and the other end of the torque sensor 60 to be calibrated is connected with the connecting mechanism 30.
The driving mechanism 40 comprises a driving member 401, the driving member 401 is mounted on the mounting seat 105, a third connecting member 402 is arranged at an end of the driving member 401, and the third connecting member 402 extends into the test area and is in transmission connection with one end of the torque sensor 60 to be calibrated.
The driving member 401 of the present embodiment may be a driving motor or other mechanism capable of applying a torque force to the torque sensor 60 to be calibrated.
The other end of the connecting mechanism 30 is rigidly connected with a standard torque sensor 20, and the torque force applied to the torque sensor 60 to be calibrated by the driving member 401 is transmitted to the standard torque sensor 20 through the connecting mechanism 30, so that the torque value for comparison can be obtained by the standard torque sensor 20 and the torque sensor 60 to be calibrated in the state of the same torque force, and the torque sensor 60 to be calibrated is calibrated.
The supporting seat 101 is provided with a bearing support 102, and the transmission shaft 303 penetrates through the bearing support 102 to be connected with the bearing support 102 and is fixed on the supporting seat 101.
The first connecting piece 301 includes a first connecting plate 3011 and a second connecting plate 3012, one end of the first connecting plate 3011 is rigidly connected to the transmission shaft 303, the other end of the first connecting plate 3012 is rigidly connected to the second connecting plate 3012, and the second end of the second connecting plate 3012 is rigidly connected to the standard torque sensor 20.
The first connecting piece 301 further includes two connecting tube bodies 3013, wherein one end of one connecting tube body 3013 is provided with the first connecting plate 3011, the other end of the connecting tube body 3013 is rigidly connected to the transmission shaft 303, the other end of the other connecting tube body 3013 is provided with the second connecting plate 3012, and the other end of the connecting tube body 3013 is rigidly connected to the standard torque sensor 20.
The connection positions of the first connecting plate 3011 and the second connecting plate 3012 are in butt joint or are connected in a splicing mode, a plurality of first through holes (not shown) are formed in the first connecting plate 3011, a plurality of second through holes (not shown) matched with the first through holes are formed in the second connecting plate 3012, and the first through holes and the second through holes are sequentially penetrated through by the first connecting plate 3011 and the second connecting plate 3012 through screws or bolts and the like to achieve rigid connection.
In this embodiment, the second connecting member 302 and the third connecting member 402 are diaphragm flanges (diaphragm couplers), and the first connecting member 301 is a connecting flange.
The test bed base 10 is provided with a first support 103 and a second support 104, the first support 103 is arranged on one side of the support seat 101, the first support 103 is provided with the standard torque sensor 20, the second support 104 is arranged between the support seat 101 and the mounting seat 105, and the second support 104 is provided with the torque sensor 60 to be calibrated.
The standard torque sensor 20 is provided with a first connecting seat 201, the first connecting seat 201 is connected with the first support 103, the to-be-calibrated torque sensor 60 is provided with a second connecting seat 601, and the second connecting seat 601 is connected with the second support 104.
The driving mechanism is electrically connected with a controller (not shown), and the controller is provided with a standard signal input end (not shown) and a signal input end to be calibrated (not shown).
The controller comprises a control cabinet 50 and a torque display instrument 80, wherein the control cabinet 50 is provided with the signal input end to be calibrated, is used for being connected with the torque sensor 60 to be calibrated and receiving a torque signal of the torque sensor 60 to be calibrated; the torque display instrument 80 is provided with the standard signal input end, and is used for being connected with the standard torque sensor 20 and receiving a torque signal of the standard torque sensor 20.
The test bench base 10 or the test bench base 10 is externally provided with a control cabinet 50, and the control cabinet 50 is electrically connected with the driving mechanism 40 and used for controlling the driving mechanism 40 to output different torques.
The control cabinet 50 is provided with a control module (not shown), an electrical module (not shown), a software module (not shown) and a signal processing module (not shown), and the control module is used for controlling the current of the driving mechanism 40 so as to output different torques.
The control cabinet 50 of this embodiment is preferably disposed outside the test bench base 10, and a sliding wheel 501 is disposed at the bottom of the controller for driving the controller to adjust the installation position in a sliding manner, so that the controller is placed at a position convenient for operation.
The first bracket 103 or the second bracket 104 is provided with a third bracket 70, the third bracket 70 is provided with the torque display instrument 80, and the torque display instrument 80 and the standard torque sensor 20 are used for displaying a torque value of the standard torque sensor 20.
The embodiment also discloses a torque sensor calibration system, as shown in fig. 1, including testboard base 10, be equipped with standard torque sensor 20 on testboard base 10, wait to calibrate torque sensor 60, coupling mechanism 30 and actuating mechanism 40, standard torque sensor 20 with coupling mechanism 30 one end rigid connection, coupling mechanism 30's the other end with wait to calibrate torque sensor 60 and connect, wait to calibrate the torque sensor 60 the other end with actuating mechanism 40 transmission is connected, actuating mechanism 40 electricity is connected with the controller, the controller respectively with standard torque sensor 20 with wait to calibrate torque sensor 60 electricity and be connected.
The embodiment also discloses a torque calibration method adopting the torque sensor calibration device and system, which comprises the following steps:
starting a calibration device, controlling the current of a driving part 401 of the driving mechanism 40 through a control module of the controller, so that the driving part 401 outputs a torque;
observing the torque value of the standard torque sensor 20 from the torque indicator 80, reading that the torque value of the standard torque sensor 20 on the torque indicator 80 reaches a preset torque value by finely adjusting the current of the driving piece 401, reading the torque value of the torque sensor 60 to be calibrated from the controller, and repeating the operation for multiple times to obtain the torque values of the plurality of torque sensors 60 to be calibrated;
multiple groups of preset torque values can be set according to detection requirements, and multiple groups of torque values of the torque sensor 60 to be calibrated in different torque states can be obtained according to the steps.
The controller signal processing module receives the torque signal of the torque sensor 60 to be calibrated, and the software module analyzes the torque signal. By obtaining the torque value of the torque sensor 60 to be calibrated, the linearity and bias of the torque sensor to be calibrated can be calculated, thereby determining whether the torque sensor 60 to be calibrated is acceptable or needs to be compensated or not.
The torque sensor calibration device and system of the embodiment, by arranging the standard torque sensor 20 and the connection mechanism 30 on the test bench base 10, and using the connection mechanism 30 to rigidly connect the standard torque sensor 20 and the torque sensor 60 to be calibrated, thereby causing the drive mechanism 40 to apply a torque force to the torque sensor 60 to be calibrated under the control of the controller, due to the rigid connection of the transmission shaft 303 of the connecting mechanism 30 and the standard torque sensor 20, the transmission shaft 303 cannot rotate under the driving of the driving mechanism 40, but can transmit a torque which is the same as the torque received by the torque sensor 60 to be calibrated to the standard torque sensor 20, receive the torque value of the standard torque sensor by using the torque display instrument 80, receive the torque of the torque sensor 60 to be calibrated by using the control cabinet 50, and compare and analyze the torque value and the torque value to be calibrated to realize the calibration of the torque sensor 60 to be calibrated; on one hand, the calibration of the torque sensor can be adapted to different measuring ranges; on the other hand, the torque sensor 60 to be calibrated can be calibrated without being disassembled from the test bench, and the condition that the torque sensor is not accurately calibrated due to the fact that the influence of the test bench is neglected in disassembling and calibrating is avoided.
The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. The utility model provides a static calibrating device of torque sensor, its characterized in that, includes the testboard base, be equipped with coupling mechanism and actuating mechanism on the testboard base, be located on the testboard base coupling mechanism's one end is equipped with the standard region, coupling mechanism's the other end with it is regional to form the test between the actuating mechanism, the actuating mechanism electricity is connected with the controller, be equipped with standard signal input part on the controller and surveyed signal input part.
2. The static calibration device for a torque sensor of claim 1, wherein said coupling mechanism comprises a drive shaft having a first coupling member disposed at one end of said drive shaft and a second coupling member disposed at the other end of said drive shaft, said first coupling member rigidly coupled to a standard torque sensor within said standard area, said second coupling member extending into said test area.
3. The torque sensor static calibration device of claim 2, wherein the first connection member comprises a first connection plate and a second connection plate, the first connection plate rigidly connected to the drive shaft at one end and to the second connection plate at another end, the second connection plate rigidly connected to the standard torque sensor at another end.
4. The torque sensor static calibration device according to claim 2, wherein a support base is disposed on the test platform base, and the transmission shaft is disposed on the support base.
5. The static calibration device for the torque sensor according to any one of claims 2 to 4, wherein a first bracket is arranged on the test bed base, the standard torque sensor is arranged on the first bracket, and a second bracket is arranged on the test bed base and is located in the test area.
6. The static calibration device for a torque sensor according to claim 5, wherein a first connecting seat is provided on the standard torque sensor, and the first connecting seat is connected with the first bracket.
7. The torque sensor static calibration device according to claim 5, wherein the controller comprises a control cabinet and a torque display, and the control cabinet is disposed on the test bench base or disposed outside the test bench base and electrically connected to the driving mechanism.
8. The static calibration device of torque sensor according to claim 7, wherein said torque indicator is disposed on the first bracket or the second bracket, said torque indicator being connected to said standard torque sensor.
9. The torque sensor static calibration device of any one of claims 1 to 4, wherein the drive mechanism includes a drive member, an end of the drive member being provided with a third connection member, the third connection member extending into the test area.
10. The utility model provides a static calibration system of torque sensor, its characterized in that, includes the testboard base, be equipped with standard torque sensor on the testboard base, treat calibration torque sensor, coupling mechanism and actuating mechanism, standard torque sensor with coupling mechanism one end rigid connection, coupling mechanism's the other end with treat calibration torque sensor and connect, treat the calibration torque sensor other end with the actuating mechanism transmission is connected, the actuating mechanism electricity is connected with the controller, the controller respectively with standard torque sensor with treat calibration torque sensor electricity and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315886.5U CN217466089U (en) | 2022-05-27 | 2022-05-27 | Static calibration device and system for torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315886.5U CN217466089U (en) | 2022-05-27 | 2022-05-27 | Static calibration device and system for torque sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466089U true CN217466089U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315886.5U Active CN217466089U (en) | 2022-05-27 | 2022-05-27 | Static calibration device and system for torque sensor |
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| Country | Link |
|---|---|
| CN (1) | CN217466089U (en) |
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2022
- 2022-05-27 CN CN202221315886.5U patent/CN217466089U/en active Active
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