CN111103090A - Torque calibration device of steering engine test system - Google Patents
Torque calibration device of steering engine test system Download PDFInfo
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- CN111103090A CN111103090A CN201811248122.7A CN201811248122A CN111103090A CN 111103090 A CN111103090 A CN 111103090A CN 201811248122 A CN201811248122 A CN 201811248122A CN 111103090 A CN111103090 A CN 111103090A
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- 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
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Abstract
The invention provides a torque calibration device of a steering engine test system, which comprises: the steering wheel test unit, the high accuracy torque sensor subassembly, a supporting component, coupling assembling, data acquisition and processing unit, the high accuracy torque sensor subassembly includes the high accuracy torque sensor of a plurality of different ranges, be used for measuring steering wheel test unit's output torque, steering wheel test unit and high accuracy torque sensor subassembly set up on supporting component, coupling assembling is used for being connected steering wheel test unit with the high accuracy torque sensor subassembly, data acquisition and processing unit are used for receiving the moment of torsion loading value of steering wheel test unit output and the moment of torsion response value of high accuracy torque sensor subassembly and then calibrate steering wheel test unit. By applying the technical scheme of the invention, the problems of low accuracy, inaccurate measurement and the like of the dynamic torque measurement of the steering engine in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of torque measurement, in particular to a torque calibration device of a steering engine test system.
Background
In the research, production and maintenance of products in the industries of aerospace, aviation, ships, automobiles and the like, torque measurement is a necessary means for checking whether the power output of various power machines reaches design indexes, for example, in the simulation test and design verification test of the load performance of an electric steering engine test bed on the steering engine, in a dynamic balance measurement system of an engine and a torque power test system of a machine propulsion shaft, torque parameters are required to be tested routinely to check the torque performance of the system. These torque measurements involve systems and devices that are bulky and require field measurements.
The steering engine is an important component of the weapon system, and the performance of the steering engine is directly related to the comprehensive performance of the whole weapon system. A steering engine load simulator system is widely used under the condition of a simulation laboratory to reproduce the torque load borne by a steering engine under the flight condition, a control surface pneumatic torque simulation loading environment is provided for a steering engine test, a simulation test and a design verification test are carried out on the steering engine load performance, the torque output precision of a test system can reach 0.2% -1%, and the maximum torque of the loading system can reach 1000 Nm.
In a steering engine test system torque field measurement method, an indirect measurement method based on a lever weight is realized, but the method is only suitable for static torque measurement and cannot obtain a dynamic torque measurement value. However, because the steering engine test system is dynamically loaded in most cases, the steering engine test system using the dynamic torque measurement method in the prior art has the problems of low precision, inaccurate measurement and the like.
Disclosure of Invention
The invention provides a steering engine test system torque calibration device, which can solve the technical problem of low steering engine dynamic torque measurement precision in the prior art and improve the steering engine dynamic torque measurement accuracy.
According to one aspect of the invention, a steering engine test system torque calibration device is provided, which comprises: a steering engine test unit; the high-precision torque sensor assembly is used for measuring the output torque of the steering engine testing unit and comprises a plurality of high-precision torque sensors with different ranges, and the torque calibration device selects the high-precision torque sensor with the corresponding range in the high-precision torque sensor assembly to measure according to the output torque range of the steering engine testing unit; the support assembly, the steering engine test unit and the high-precision torque sensor assembly are arranged on the support assembly; the connecting assembly is used for connecting the steering engine testing unit with the high-precision torque sensor assembly; the data acquisition and processing unit is respectively connected with the steering engine testing unit and the high-precision torque sensor assembly and used for receiving a torque loading value output by the steering engine testing unit and a torque response value of the high-precision torque sensor assembly so as to calibrate the steering engine testing unit.
Further, the support assembly includes: the steering engine testing unit is fixedly arranged on the positioning bottom plate; the high-precision torque sensor assembly comprises a load support plate, wherein the load support plate is fixedly arranged on a positioning bottom plate, an output shaft of the high-precision torque sensor assembly is fixedly arranged on the load support plate, and an input shaft of the high-precision torque sensor assembly is connected with an output shaft of a steering engine testing unit through a connecting assembly.
Further, the load extension board includes first plate and the second plate of looks vertically, and first plate is fixed to be set up on the positioning bottom plate, and the output shaft of high accuracy torque sensor subassembly is fixed to be set up on the second plate, and first plate has first regulation hole, and the positioning bottom plate has first screw hole, and first regulation hole cooperatees with first screw hole in order to adjust the position of high accuracy torque sensor subassembly along first direction.
Further, first plate is transition workstation, and transition workstation includes first mounting panel, second mounting panel, stand subassembly, and first regulation hole sets up on the second mounting panel.
Further, the second plate has a second adjusting hole, the first mounting plate has a second threaded hole, the second adjusting hole cooperates with the second threaded hole to adjust the position of the high-precision torque sensor assembly along the second direction, and the first direction is perpendicular to the second direction.
Further, the support assembly further comprises: and the adjusting gasket is arranged between the first plate and the second plate and used for adjusting the position of the steering engine testing unit along a third direction, and the third direction is perpendicular to the first direction and the second direction at the same time.
Further, steering wheel test system moment of torsion calibrating device still includes: the sensor support is arranged on the first mounting plate and used for supporting the high-precision torque sensor assembly, the adjusting screw is in threaded fit connection with the sensor support, and the adjusting screw adjusts the position of the high-precision torque sensor along the third direction by adjusting the sensor support.
Further, the high precision torque sensor assembly includes a shaft sensor and a flange sensor.
Furthermore, the high-precision torque sensor assembly is a shaft type sensor, the connecting assembly comprises a connecting flange and a square falcon which are connected, the connecting flange is connected with an output shaft of the steering engine testing unit, and the square falcon is connected with an input shaft of the high-precision torque sensor assembly.
Further, the high precision torque sensor assembly precision is 0.1% f.s. to 0.05% F.S.
By applying the technical scheme of the invention, the high-precision torque sensor assembly of the high-precision torque sensors with different ranges is arranged to realize the high-precision measurement of the steering engine dynamic torque, the validity and the reliability of the measurement are ensured, the mounting precision of the high-precision torque sensors is improved by arranging the supporting assembly and the connecting assembly, the connection is reliable, the mounting is convenient, the occupied space is small, the accuracy of the dynamic torque field calibration of the steering engine test system is greatly improved, the dynamic response is good, and the measurement efficiency of the steering engine test system torque parameters is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a steering engine test system torque calibration device according to an embodiment of the invention;
FIG. 2 is a schematic diagram illustrating a steering engine test system torque field measurement scheme provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a structural schematic diagram of a shaft sensor mounting provided in accordance with a specific embodiment of the present invention;
FIG. 4 illustrates a schematic structural view of a connection assembly for a shaft sensor provided in accordance with a specific embodiment of the present invention;
FIG. 5 illustrates a schematic structural view of a support assembly provided in accordance with a specific embodiment of the present invention;
FIG. 6 illustrates an assembled top view of a support assembly, connection assembly, shaft sensor provided in accordance with a specific embodiment of the present invention;
FIG. 7 illustrates a structural schematic diagram of a flanged disk sensor mount provided in accordance with a specific embodiment of the present invention;
FIG. 8 shows a front view of the flanged disc sensor assembly provided in FIG. 7;
FIG. 9 shows a top view of the flanged disc sensor assembly provided in FIG. 7;
FIG. 10 illustrates a loading schematic of a flange provided in accordance with a specific embodiment of the present invention;
FIG. 11 illustrates a force deflection diagram of a flange provided in accordance with an exemplary embodiment of the present invention;
FIG. 12 illustrates a stress diagram of a flange provided in accordance with an exemplary embodiment of the present invention;
FIG. 13 illustrates a loading schematic of an L-shaped bracket provided in accordance with an exemplary embodiment of the present invention;
FIG. 14 is a schematic view illustrating the deformation of an L-shaped bracket under force according to an embodiment of the present invention;
fig. 15 shows a stress diagram of an L-shaped stent provided according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a steering engine test unit; 20. a high precision torque sensor assembly; 30. a support assembly; 31. positioning the bottom plate; 32. a load support plate; 321. a first plate member; 3211. a first mounting plate; 3212. a second mounting plate; 3213. a column assembly; 322. a second plate member; 33. adjusting the gasket; 34. adjusting the screw; 40. a connecting assembly; 41. a connecting flange; 42. c, square falcon; 50. and the data acquisition and processing unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 to 15, according to an embodiment of the present invention, there is provided a steering engine test system torque calibration device, including: the high-precision torque sensor device comprises a steering engine testing unit 10, a high-precision torque sensor assembly 20, a supporting assembly 30, a connecting assembly 40 and a data collecting and processing unit 50, wherein the high-precision torque sensor assembly 20 is used for measuring output torque of the steering engine testing unit 10, the high-precision torque sensor assembly 20 comprises a plurality of high-precision torque sensors with different ranges, and the torque calibrating device selects the high-precision torque sensor with the corresponding range in the high-precision torque sensor assembly 20 according to the output torque range of the steering engine testing unit 10 for measurement. Steering wheel test unit 10 and high accuracy torque sensor subassembly 20 set up on support assembly 30. The connecting assembly 40 is used for connecting the steering engine testing unit 10 with the high-precision torque sensor assembly 20. The data acquisition and processing unit 50 is respectively connected with the steering engine testing unit 10 and the high-precision torque sensor assembly 20, and the data acquisition and processing unit 50 is used for receiving a torque loading value output by the steering engine testing unit 10 and a torque response value of the high-precision torque sensor assembly 20 so as to calibrate the steering engine testing unit 10.
By applying the configuration mode, the high-precision torque sensor with the corresponding range in the high-precision torque sensor assembly 20 is selected according to the torque value output by the steering engine testing unit 10, so that the high-precision measurement of the dynamic torque of the steering engine is realized, the technical problem of low measurement precision when a large-range torque sensor measures a low torque value is avoided, the effectiveness and the reliability of measurement are ensured, the mounting precision of the high-precision torque sensor is improved by arranging the supporting assembly 30 and the connecting assembly 40, the connection is reliable, the mounting is convenient, the occupied space is small, the accuracy of the dynamic torque field calibration of the steering engine testing system is greatly improved by the mode, the dynamic response is good, and the measurement efficiency of the torque parameter of the steering engine testing system is greatly improved.
Further, as shown in fig. 3, in order to prevent the output shaft of the steering engine testing system 10 from idling and being unable to measure a torque response value, and improve the accuracy of the high-precision torque sensor in measuring the output torque of the steering engine testing system, the supporting component 30 may be configured to include a positioning bottom plate 31 and a load supporting plate 32, the steering engine testing unit 10 is fixedly disposed on the positioning bottom plate 31, the load supporting plate 32 is fixedly disposed on the positioning bottom plate 31, the output shaft of the high-precision torque sensor component 20 is fixedly disposed on the load supporting plate 32, and the input shaft of the high-precision torque sensor component 20 is connected with the output shaft of the steering engine testing unit 10 through the connecting component 40.
As a specific embodiment of the invention, a shaft type sensor can be used as a high-precision torque sensor, an output shaft of the shaft type sensor is fixed on a load support plate 32 through a clamp, and the load support plate 32 and the steering engine test system table body 10 are fixedly arranged on a positioning bottom plate 31. The method adopts a fixed load mode to replace an original load structure detached during calibration of the steering engine testing system 10, prevents the situation that a torque response value cannot be measured due to idling of an output shaft of the steering engine torque testing system 10, and connects and fixes the high-precision torque sensor 20 and the steering engine testing system 10. In addition, the form can also reduce the measurement error caused by vibration and ensure the measurement precision.
Further, as shown in fig. 7, in order to realize the movement of the high-precision torque sensor assembly 20 in the first direction, the load support plate 32 may be configured to include a first plate 321 and a second plate 322 which are perpendicular to each other, the first plate 321 is fixedly disposed on the positioning base plate 31, the output shaft of the high-precision torque sensor assembly 20 is fixedly disposed on the second plate 322, the first plate 321 has a first adjusting hole, the positioning base plate 31 has a first threaded hole, and the first adjusting hole is matched with the first threaded hole to adjust the position of the high-precision torque sensor assembly 20 in the first direction.
By means of the configuration mode, the position of the high-precision torque sensor assembly 20 along the first direction is adjusted in a large range through the matching of the first adjusting hole and the first threaded hole, and the high-precision torque sensor assembly 20 is conveniently and quickly connected with the steering engine testing system 10.
Further, as shown in fig. 7, in order to realize more convenient connection between the high-precision torque sensor assembly 20 and the steering engine testing system 10 and expand the application range of the torque calibration device, the first plate 321 may be configured as a transition workbench, the transition workbench may be configured to include a first mounting plate 3211, a second mounting plate 3212, and an upright post assembly 3213, and the first adjusting hole is disposed on the second mounting plate 3212. By applying the configuration mode, the transition workbench is arranged to be in a structure corresponding to the steering engine test system workbench, so that the connection between the high-precision torque sensor assembly 20 and the steering engine test system 10 is more stable.
Further, in order to achieve movement of the high-precision torque sensor assembly 20 in the second direction to achieve an improvement in the freedom of adjustment of the torque calibration device and an improvement in the accuracy of shaft docking of the high-precision torque sensor assembly 20 with the steering engine testing system 10, the second plate 322 may be configured to have a second adjusting hole, the first mounting plate 3211 may be configured to have a second threaded hole, and the second adjusting hole and the second threaded hole cooperate to adjust the position of the high-precision torque sensor assembly 20 along the second direction, where the first direction is perpendicular to the second direction.
By means of the configuration mode, the position of the high-precision torque sensor assembly 20 along the second direction is adjusted by matching the second adjusting hole with the second threaded hole, connection precision of the high-precision torque sensor assembly 20 and the steering engine testing system 10 in the second direction is guaranteed, and therefore testing precision and reliability of the steering engine testing system torque calibrating device are guaranteed.
Further, in order to achieve the movement of the second plate 322 in the third direction to achieve the improvement of the freedom degree of adjustment of the torque calibration device and the improvement of the precision of the shaft connection between the high-precision torque sensor assembly 20 and the steering engine testing system 10, the support assembly 30 may be configured to further include an adjusting shim 33, the adjusting shim 33 is disposed between the first plate 321 and the second plate 322, the adjusting shim 33 is used to adjust the position of the second plate 322 in the third direction, and the third direction is perpendicular to both the first direction and the second direction.
By means of the configuration mode, the position of the second plate 322 in the third direction is adjusted by adjusting the adjusting gasket 33, connection precision of the second plate 322 and the steering engine testing system 10 in the third direction is guaranteed, and therefore testing precision and reliability of the steering engine testing system torque calibrating device are guaranteed.
Further, in order to realize the movement of the high-precision torque sensor assembly 20 in the third direction to improve the degree of freedom of adjustment of the torque calibration device and improve the shaft butting precision of the high-precision torque sensor assembly 20 and the steering engine testing system 10, the torque calibration device of the steering engine testing system can be configured to further comprise a sensor support and an adjusting screw 34, the sensor support is arranged on the first mounting plate 3211 and used for supporting the high-precision torque sensor assembly 20, the adjusting screw 34 is in threaded fit connection with the sensor support, and the adjusting screw 34 realizes the position adjustment of the high-precision torque sensor along the third direction by adjusting the sensor support.
By adopting the configuration mode, the position of the high-precision torque sensor assembly 20 along the third direction is adjusted by adjusting the adjusting screw 34, so that the connection precision of the high-precision torque sensor assembly 20 and the steering engine testing system 10 in the third direction is ensured, and the testing precision and the reliability of the steering engine testing system torque calibration device are ensured.
Further, in order to increase the accuracy of the steering engine test system torque calibration device measurement, the high-precision torque sensor assembly 20 may be configured to include a shaft sensor and a flange sensor.
By applying the configuration mode, the shaft type sensor and the flange plate type sensor have corresponding metering characteristics of linearity, repeatability, reproducibility, small enough return error and the like, and the measurement accuracy of the torque calibration device can be improved.
Further, as shown in fig. 4, in order to ensure that the shaft-type sensor is accurately and reliably connected with the steering engine testing unit 10, the high-precision torque sensor assembly 20 may be configured as a shaft-type sensor, the connecting assembly 40 is configured to include a connecting flange 41 and a square falcon 42 which are connected, the connecting flange is connected with the output shaft of the steering engine testing unit 10, and the square falcon is connected with the input shaft of the high-precision torque sensor assembly 20.
By applying the configuration mode, the connecting assembly 40 is connected with the output shaft of the steering engine testing unit 10 by arranging the connecting flange 41, the output shaft flange of the steering engine testing unit 10 and the screw of the connecting flange 41 are screwed by the fixed value wrench, so that the influence on the measurement precision when the forward torque and the reverse torque are measured is prevented, the connecting assembly 40 is connected with the shaft type sensor by arranging the square falcon 42, the output shaft of the steering engine testing unit 10 is accurately connected with the high-precision torque sensor assembly 20, and the coaxiality is good.
Further, in order to improve the accuracy of the torque calibration device of the steering engine test system, the accuracy of the high-accuracy torque sensor assembly 20 is 0.1% F.S. to 0.05% F.S. By applying the configuration mode, the steering engine test system 10 is subjected to static torque and dynamic torque measurement through the high-precision torque sensor assembly 20, so that the torque calibration device is stable in performance and high in precision.
For further understanding of the present invention, the torque calibration device of the electric steering engine test system of the present invention is described in detail below with reference to fig. 1 to 15.
As shown in fig. 7 to 15, the torque calibration device of the electric steering engine test system comprises a steering engine test unit 10, a flange plate type high-precision sensor assembly, a support assembly 30, a connection assembly 40 and a data acquisition and processing unit 50, wherein the flange plate type high-precision sensor assembly and the tested steering engine test system 10 are coaxially arranged, the flange plate type high-precision sensor assembly 20 comprises a plurality of flange plate type high-precision sensors with different ranges, and the precision is 0.1% f.s. -0.05% f.s. The torque measurement range of the embodiment is (50-1000) Nm, the large-span range is divided into (50-100) Nm, (100-200) Nm, (200-500) Nm and (500-1000) Nm, and 4 ranges are provided, and four flange-type high-precision sensors are configured for torque measurement.
The support assembly 30 comprises a positioning base plate 31, a load support plate 32, an adjusting gasket 33, a sensor support and an adjusting screw 34, wherein the positioning base plate 31 is provided with a first threaded hole, and the load support plate 32 comprises a first plate 321 and a second plate 322 which are perpendicular to each other. First plate 321 is the transition workstation, and the transition workstation includes first mounting panel 3211, second mounting panel 3212, stand subassembly 3213, and stand subassembly 3213 is connected first mounting panel 3211, second mounting panel 3212, can configure stand subassembly 3213 into four support columns. The second mounting plate 3212 is provided with a first adjustment hole. The first adjustment hole cooperates with the first threaded hole to adjust the position of the high-precision torque sensor assembly 20 in the first direction.
The second plate 322 has a second adjustment hole and the first mounting plate 3211 has a second threaded hole that cooperates with the second threaded hole to adjust the position of the high-precision torque sensor assembly 20 along a second direction, the first direction being perpendicular to the second direction. The adjusting shim 33 is arranged between the first plate member 321 and the second plate member 322, adjusts the position of the second plate member 322 along the third direction, the sensor support is arranged on the first mounting plate 3211, and the adjusting screw 34 is in threaded fit connection with the sensor support to adjust the position of the high-precision torque sensor along the third direction. The super-hard aluminum alloy L support can be adopted as the second plate 322, the kidney-shaped groove can be adopted as the first adjusting hole and the second adjusting hole, the thread specifications of the first threaded hole and the second threaded hole are M12, the first direction is the X direction, the second direction is the Y direction, and the third direction is the Z direction. ANSYS software analysis shows that the rigidity of the L bracket made of the super-hard aluminum alloy can be guaranteed under the condition of 1000Nm torque, as shown in figures 13 to 15, the maximum deformation is about 0.04mm, and the maximum stress is 11MPa and is far lower than the allowable stress of the material.
The connecting assembly 40 is configured to be a flange, one end of the flange is connected with the flange plate type high-precision sensor, and the other end of the flange is connected with the steering engine testing unit 10 and used for transmitting torque. Stainless steel can be used as the flange material, and ANSYS software analysis shows that the rigidity of the flange can be ensured under the condition of 1000Nm moment by using the stainless steel material, as shown in figures 10 to 12, the maximum deformation is about 0.03mm, and the maximum stress is 13MPa and is far lower than the allowable stress of the material.
The data acquisition and processing unit 50, the data acquisition and processing unit 50 is connected with steering wheel test unit 10 and flange formula high accuracy sensor respectively, and the data acquisition and processing unit 50 is used for receiving the moment of torsion loading value and the moment of torsion response value of flange formula high accuracy sensor of steering wheel test unit 10 output and then calibrates steering wheel test unit 10. When calibration is performed, a control computer in the steering engine test unit 10 sends a torque loading instruction, the data acquisition and processing unit 50 acquires a torque response value of an output shaft of the test system, analyzes and processes the torque instruction value and the response value, and real-time online measurement and calibration of the steering engine test system under a dynamic loading condition are achieved.
According to another embodiment provided by the invention, as shown in fig. 3 to 6, a shaft type sensor is adopted for torque calibration of a steering engine measuring unit. Specifically, the support assembly 30 includes a positioning base plate 31 and a load plate 32, the positioning base plate 31 has a first threaded hole, and the load plate 32 includes a first plate 321 and a second plate 322 which are perpendicular to each other. The first plate 321 is provided with a first adjusting hole, which may be a kidney-shaped groove. The first plate 321 kidney slot cooperates with the first threaded hole to adjust the position of the high precision torque sensor assembly 20 in the first direction. The second plate 322 has a plurality of rows and a plurality of columns of screw holes, and the output shaft of the shaft-type sensor is fixed to the second plate 322 by a jig. The screw on the anchor clamps passes through the set value spanner with second plate 322 and screws up fixedly, selects different screw hole to connect and can realize the regulation to steering wheel test unit 10 output shaft and shaft type sensor connection axiality.
As shown in fig. 4, the connecting assembly 40 includes a connecting flange 41 and a tennons 42 connected to each other, the connecting flange 41 is connected to the output shaft of the steering engine testing unit 10 through screws, and the tennons 42 are connected to the input shaft of the shaft type torque sensor. The coaxiality of the output shaft of the steering engine testing unit 10 and the shaft type sensor is ensured through the screw holes of the connecting piece flange 41 and the second plate 322 and the first threaded hole of the positioning bottom plate 31.
In conclusion, compared with the prior art, the steering engine test system torque calibration device provided by the invention has the advantages that the high-precision measurement of the static and dynamic torques of the steering engine is realized, the effectiveness and the reliability of the measurement are ensured, the installation precision of the high-precision torque sensor is improved, the high-coaxiality connection between the steering engine test unit and the high-precision torque sensor is realized, the connection is reliable, the installation is convenient, the occupied space is small, the accuracy of the dynamic torque field calibration of the steering engine test system is greatly improved, the dynamic response is good, and the measurement efficiency of the torque parameters of the steering engine test system is greatly improved.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665044A (en) * | 2020-06-12 | 2020-09-15 | 内蒙古第一机械集团股份有限公司 | Large-torque in-situ calibration method for test bed of armored vehicle transmission device |
| CN111780920A (en) * | 2020-07-08 | 2020-10-16 | 安东仪器仪表检测有限公司 | Method for calibrating dynamic torque sensor on line in situ |
| CN113804458A (en) * | 2021-09-03 | 2021-12-17 | 广州计量检测技术研究院 | Motor vehicle dynamic braking performance calibration device and calibration system |
| CN116518862A (en) * | 2022-01-24 | 2023-08-01 | 北京振兴计量测试研究所 | A calibration device for sticking optical fiber strain gauge |
| CN116518861A (en) * | 2022-01-24 | 2023-08-01 | 北京振兴计量测试研究所 | Calibration device for optical fiber strain sensor |
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| CN111780920A (en) * | 2020-07-08 | 2020-10-16 | 安东仪器仪表检测有限公司 | Method for calibrating dynamic torque sensor on line in situ |
| CN113804458A (en) * | 2021-09-03 | 2021-12-17 | 广州计量检测技术研究院 | Motor vehicle dynamic braking performance calibration device and calibration system |
| CN116518862A (en) * | 2022-01-24 | 2023-08-01 | 北京振兴计量测试研究所 | A calibration device for sticking optical fiber strain gauge |
| CN116518861A (en) * | 2022-01-24 | 2023-08-01 | 北京振兴计量测试研究所 | Calibration device for optical fiber strain sensor |
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