Torque sensor calibration equipment

Abstract

The utility model discloses torque sensor calibration equipment, which relates to the technical field of torque sensor calibration and comprises a workbench, a transition table is fixedly arranged above the middle of the workbench, a force application rod device is fixedly arranged above the transition table, the workbench comprises a base, a plurality of supporting columns are fixedly arranged on the front side and the rear side of the base respectively, and the supporting columns are arranged on the base. Fixing bases are arranged at the upper ends of the adjacent supporting columns, the supporting columns and the fixing bases are fixedly connected through first bolt fixing frames, and a plurality of pulleys are evenly arranged on the lower surfaces of the fixing bases. According to the utility model, the supporting column, the fixing seat and the first bolt fixing frame are used as a unit structure, so that the workbench can adapt to force application rod devices with various measuring ranges, the application range of the device is expanded, the pulley below the fixing seat reduces the loss of force in the transmission process, and the calibration precision of the force application rod device is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of torque sensor calibration, in particular to a torque sensor calibration device. Background Art

[0002] Torque is one of the important mechanical parameters. The torque sensor can convert the torque exerted on an object into a digital signal output. It is a sensor that can sense torque and convert it into a usable output signal. It is a measuring instrument used to calibrate, compare, and transmit various standard torque values.

[0003] The calibration accuracy of a torque sensor is an important indicator for evaluating its performance and accuracy. Calibration accuracy refers to the degree of difference between the sensor output and the actual torque value, usually expressed as a percentage or absolute error. The sensor calibration process involves comparing it to a known standard torque value and adjusting its output to ensure accuracy. Calibration accuracy directly affects the data reliability and accuracy when using a torque sensor measurement system, so a high-precision calibration device is required to detect the torque sensor. Utility Model Content

[0004] The purpose of the utility model is to provide a torque sensor calibration device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A torque sensor calibration device comprises a workbench, a transition platform is fixedly arranged above the middle of the workbench, a force rod device is fixedly arranged above the transition platform, the workbench comprises a base, a plurality of support columns are fixedly arranged on the front and rear sides of the base, a fixing seat is arranged on the upper ends of adjacent support columns, the support column and the fixing seat are fixedly connected by a first bolt fixing frame, and a plurality of pulleys are evenly arranged on the lower surface of the fixing seat.

[0007] As a further solution of the present invention: the length of the workbench is preferably in accordance with the length of the 500mm, 750mm, 1000mm calibration levels.

[0008] As a further solution of the utility model: the force rod device includes a force rod body, which is fixedly connected to the transition platform by a second bolt fixing frame, a torque sensor is arranged above the force rod body, and a plurality of positioning threaded holes are evenly opened on the force rod body, and a lifting ring is arranged in the positioning threaded hole.

[0009] As a further solution of the utility model: the distances between the plurality of positioning threaded holes and the center position of the force application rod body are preferably 500 mm, 750 mm, and 1000 mm.

[0010] As a further solution of the present invention: the force application rod body is made of aviation aluminum alloy.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The device has a simple structure, which reduces the structural components and installation difficulty while ensuring the calibration accuracy. It is easy to manufacture and produce, and has a large calibration range, which can be adapted to sensors of various ranges;

[0013] 2. By using the support column, the fixing seat and the first bolt fixing frame as a unit structure, the workbench can be adapted to force rod devices of various ranges, thereby expanding the use range of the device. The pulley under the fixing seat reduces the loss of force during the transmission process, thereby ensuring the calibration accuracy of the force rod device;

[0014] 3. The torque sensor is fixed above the force rod body by a second bolt fixing bracket, and the lifting ring at the corresponding measuring range of the torque sensor is connected to the pulley to facilitate the application of tension to the force rod body. The lifting ring can be rotated and adjusted to facilitate the adjustment of the force arm, thereby improving the calibration accuracy of the torque sensor. The force rod body is made of aviation aluminum alloy, which can reduce the weight of the force rod body. The aviation aluminum alloy material has high strength and improves the service life of the force rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the utility model.

[0016] Figure 2 It is another three-dimensional structural schematic diagram of an embodiment of the utility model.

[0017] Figure 3 It is a side structural schematic diagram of an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the top structure of an embodiment of the utility model.

[0019] Figure 5 It is a schematic diagram of the main structure of an embodiment of the utility model.

[0020] Notes on the figure numbers: 1. workbench; 11. base; 12. support column; 13. fixed seat; 14. pulley; 15. first bolt fixing frame; 2. transition platform; 3. force rod device; 31. force rod body; 32. positioning threaded hole; 33. second bolt fixing frame. DETAILED DESCRIPTION

[0021] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.

[0022] Example

[0023] See also Figures 1 to 5 In an embodiment of the utility model, a torque sensor calibration device includes a workbench 1, wherein the length of the workbench 1 is preferably a length that matches the calibration level of 500mm, 750mm, and 1000mm, a transition platform 2 is fixedly arranged above the middle of the workbench 1, and a force rod device 3 is fixedly arranged above the transition platform 2, the workbench 1 includes a base 11, and a plurality of support columns 12 are fixedly arranged on the front and rear sides of the base 11, respectively, and a fixing seat 13 is arranged on the upper ends of adjacent support columns 12, and the support column 12 and the fixing seat 13 are fixedly connected by a first bolt fixing frame 15, and a plurality of pulleys 14 are evenly arranged on the lower surface of the fixing seat 13, and the support column 12, the fixing seat 13 and the first bolt fixing frame 15 are used as a unit structure, so that the workbench 1 can be adapted to force rod devices 3 of various ranges, thereby expanding the use range of the device, and the pulley 14 below the fixing seat 13 reduces the loss of force during the transmission process, thereby ensuring the calibration accuracy of the force rod device 3.

[0024] The force rod device 3 includes a force rod body 31, which is made of aviation aluminum alloy. The force rod body 31 and the transition platform 2 are fixedly connected by a second bolt fixing frame 33. A torque sensor is arranged above the force rod body 31. A plurality of positioning threaded holes 32 are evenly opened on the force rod body 31. A lifting ring is arranged in the positioning threaded hole 32. The distance between the plurality of positioning threaded holes 32 and the center position of the force rod body 31 is preferably 500mm, 750mm, and 1000mm. The torque sensor is fixedly arranged above the force rod body 31 by the second bolt fixing frame 33, and the lifting ring at the corresponding measuring range of the torque sensor is connected to the pulley 14, so as to apply tension to the force rod body 31. The lifting ring can be rotated and adjusted, so as to facilitate the adjustment of the force arm and improve the calibration accuracy of the torque sensor. The force rod body 31 is made of aviation aluminum alloy, which can reduce the weight of the force rod body 31. The aviation aluminum alloy material has high strength, which improves the service life of the force rod body 31.

[0025] When installing the device, several support columns 12 are fixedly installed on the base 11 by bolt and nut fasteners, and then the fixing seat 13 is fixedly installed at the upper end of the adjacent support column 12 by the first bolt fixing frame 15, and the pulley 14 is evenly installed below the fixing seat 13, and the transition platform 2 is fixedly installed above the middle part of the base 11, and the force rod body 31 is installed above the transition platform 2 by the second bolt fixing frame 33, and the torque sensor is installed above the middle part of the force rod body 31, and then the lifting ring is installed in the positioning threaded hole 32 on the force rod body 31. The force device applies force to the torque sensor through the pulley 14 and the lifting ring at the corresponding position of the torque sensor, so as to facilitate the measurement of the calibration accuracy of the torque sensor.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A torque sensor calibration device, comprising a workbench (1), characterized in that: A transition platform (2) is fixedly arranged above the middle of the workbench (1), and a force rod device (3) is fixedly arranged above the transition platform (2). The workbench (1) comprises a base (11), and a plurality of support columns (12) are fixedly arranged on the front and rear sides of the base (11), and a fixing seat (13) is arranged at the upper end of adjacent support columns (12). The support columns (12) and the fixing seat (13) are fixedly connected by a first bolt fixing frame (15), and a plurality of pulleys (14) are evenly arranged on the lower surface of the fixing seat (13).

2. The torque sensor calibration device according to claim 1, characterized in that: The length of the workbench (1) is adapted to match the lengths of the 500mm, 750mm, and 1000mm calibration levels.

3. The torque sensor calibration device according to claim 1, characterized in that: The force rod device (3) comprises a force rod body (31), the force rod body (31) and the transition platform (2) are fixedly connected by a second bolt fixing frame (33), a torque sensor is arranged above the force rod body (31), a plurality of positioning threaded holes (32) are evenly arranged on the force rod body (31), and a lifting ring is arranged in the positioning threaded hole (32).

4. The torque sensor calibration device according to claim 3, characterized in that: The distances between the plurality of positioning threaded holes (32) and the center position of the force application rod body (31) are 500 mm, 750 mm, and 1000 mm.

5. The torque sensor calibration device according to claim 3 or 4, characterized in that: The force application rod body (31) is made of aviation aluminum alloy.

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