Torque detection device
By designing a torque detection device, the problem of lack of automated detection in door hinge assembly was solved, efficient and safe torque detection and angle measurement were achieved, and the quality and production efficiency of door hinge assembly were improved.
Patent Information
- Application Number
- CN202422720009.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The existing technology lacks automated equipment for torque detection of door hinges, which affects the assembly quality and efficiency of door hinges.
A torque detection device has been designed, including a frame, a torque detection module, a lifting drive device, a pre-compression module and a limit module. It can automatically detect the rotational torque and maximum opening angle of the door hinge, is compatible with a variety of products, and has safety protection functions.
It realizes the automatic torque detection of door hinges, improves the assembly quality and efficiency, reduces the manpower demand and equipment investment cost, and extends the service life of the equipment.
Smart Images
Figure CN223389315U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a torque detection device, belonging to the technical field of automation equipment. Background Art
[0002] During the automobile production process, a large number of door hinges need to be installed on the automobile body. The quality of the door hinges has a great impact on the quality of the automobile.
[0003] Door hinges are the key components that connect the vehicle body to the door and are the main load-bearing part of the door. The door rotates around the hinge axis to open and close. Generally speaking, a door hinge consists of three parts: the door assembly, the body assembly, and the hinge axis. Bushings may be installed in the pin holes of the door or body assembly to allow rotation around the hinge axis.
[0004] There are strict requirements for the ease with which a door or body component can rotate around a hinge pin. The condition of the bushing's inner hole—namely, its shape, size, and smoothness—affects the rotation of the hinge shaft, which in turn affects the torque required to rotate the hinge, thus impacting the hinge's assembly quality. Therefore, during door hinge assembly, torque is often used as a test parameter for acceptable performance, making torque testing a critical component of door hinge assembly.
[0005] During torque testing, the door component must rotate forward and reverse around the hinge axis to measure its rotational torque. Sometimes, the maximum opening angle must also be measured simultaneously, requiring specialized testing equipment. However, automated equipment for testing door hinges is currently unavailable. Utility Model Content
[0006] In order to solve one of the above technical problems, the present disclosure provides a torque detection device.
[0007] According to one aspect of the present disclosure, a torque detection device is provided, which is used to detect torque on a workpiece, wherein the workpiece includes a first part and a second part that are capable of relative rotation; the torque detection device includes:
[0008] frame;
[0009] a torque detection module, the torque detection module being slidably disposed on the frame so as to be capable of generating a lifting motion relative to the frame;
[0010] A lifting drive device, the lifting drive device is provided on the frame and is used to drive the torque detection module to generate lifting motion; and
[0011] A pre-pressing module is used to limit the position of the first part; wherein the torque detection module is used to drive the second part to rotate reciprocatingly relative to the first part to detect the torque required when the second part rotates relative to the first part.
[0012] According to at least one embodiment of the present disclosure, the torque detection device further includes:
[0013] A tooling module is used to hold a workpiece; wherein the pre-pressing module cooperates with the tooling module to limit the position of the first part.
[0014] According to at least one embodiment of the torque detection device of the present disclosure, the pre-pressing module includes:
[0015] a pre-pressing drive device, the pre-pressing drive device being arranged on the frame; and
[0016] A pre-pressing plate is provided on the pre-pressing drive device so as to drive the pre-pressing plate to generate lifting motion through the pre-pressing drive device, wherein the first part of the workpiece is confined between the pre-pressing plate and the tooling module.
[0017] According to the torque detection device of at least one embodiment of the present disclosure, there are two pre-load drive devices, and the two pre-load drive devices are arranged on both sides of the tooling module.
[0018] According to at least one embodiment of the torque detection device of the present disclosure, the tooling module includes:
[0019] a shaft holding portion for holding a hinge shaft of the workpiece; and
[0020] The first part holding portion is provided in two portions, and the two first component holding portions are located on both sides of the shaft holding portion, wherein the pre-compression plate is used to cooperate with at least one of the two first component holding portions.
[0021] According to at least one embodiment of the present disclosure, the torque detection device comprises:
[0022] A torque detection drive device having a rotation axis; wherein the rotation axis of the torque detection drive device is parallel to the rotation axis of the workpiece;
[0023] at least two shift forks are provided, and the second portion of the workpiece is located between the two shift forks, and the reciprocating rotation of the workpiece is achieved by the reciprocating rotation of the torque detection driving device; and
[0024] The torque sensor is used to detect the torque applied by the torque detection drive device to the shift fork.
[0025] According to the torque detection device of at least one embodiment of the present disclosure, the torque detection drive device is connected to the safety coupling, the safety coupling is connected to the torque sensor, the torque sensor is connected to the lower coupling, the lower coupling is connected to the gearbox, the output shaft of the gearbox is provided with a torque detection connecting member, and the shift fork is fixed to the torque detection connecting member.
[0026] According to at least one embodiment of the present disclosure, the torque detection device further includes:
[0027] The calibration module is used to calibrate the torque sensor.
[0028] According to at least one embodiment of the torque detection device of the present disclosure, the calibration module includes:
[0029] A calibration fixing plate, the calibration fixing plate being fixed to the lifting plate of the torque detection module;
[0030] a calibration roller, the calibration roller being rotatably disposed on the calibration fixing plate; and
[0031] A calibration connector is connected to the lower coupling and the gearbox respectively; wherein one end of the pull rope is connected to the calibration connector, and the other end of the pull rope is connected to the calibration weight via a calibration roller.
[0032] According to at least one embodiment of the present disclosure, the torque detection device further includes: a detection module, which is used to detect the circumferential position of the torque detection drive device.
[0033] According to the torque detection device of at least one embodiment of the present disclosure, the workpiece further includes a hinge shaft, the lower end of the hinge shaft is supported by the tooling module, and the upper end of the hinge shaft is limited by the limiting module.
[0034] According to at least one embodiment of the torque detection device of the present disclosure, the limiting module includes:
[0035] A limit drive device, wherein the limit drive device is arranged on the frame;
[0036] A limit connecting member, one end of which is connected to the limit driving device, and the limit driving device drives the limit connecting member to generate a lifting motion;
[0037] A rotating shaft is rotatably arranged at the other end of the limiting connecting member, and the lower end of the rotating shaft is used to contact and cooperate with the hinge shaft to limit the position of the hinge shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.
[0039] Figure 1 1 is a schematic structural diagram of a torque detection device according to one embodiment of the present disclosure.
[0040] Figure 2 1 is a schematic structural diagram of a partial structure of a torque detection device according to an embodiment of the present disclosure.
[0041] Figure 3 3 is a structural schematic diagram of a partial structure of a torque detection device according to an embodiment of the present disclosure from another angle.
[0042] Figure 4 It is a structural schematic diagram of a torque detection module according to one embodiment of the present disclosure.
[0043] Figure 5 It is a structural schematic diagram of a tooling module according to one embodiment of the present disclosure.
[0044] Figure 6 It is a structural schematic diagram of a limiting module according to an embodiment of the present disclosure.
[0045] The specific reference numerals in the figure are:
[0046] 100 racks
[0047] 200 Torque Detection Module
[0048] 210 lifting plate
[0049] 220 Torque detection drive device
[0050] 230 lower coupling
[0051] 240 gearbox
[0052] 250 Torque detection connector
[0053] 260 shift fork
[0054] 270 detection module
[0055] 280 Safety Coupling
[0056] 290 Torque Sensor
[0057] 300 lifting drive device
[0058] 400 pre-pressing module
[0059] 410 Preload Drive
[0060] 420 Pre-compression plate
[0061] 500 limit module
[0062] 510 limit drive device
[0063] 520 limit connector
[0064] 530 Rotation Axis
[0065] 600 tooling module
[0066] 610 shaft retaining portion
[0067] 620 First Part Holding Unit
[0068] 700 Calibration Kit
[0069] 710 Calibration Fixing Plate
[0070] 720 Calibration connector
[0071] 730 Calibration Roller
[0072] 740 Calibration weights. DETAILED DESCRIPTION
[0073] The present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the relevant content and are not intended to limit the present disclosure. It should also be noted that, for ease of description, only the portions relevant to the present disclosure are shown in the accompanying drawings.
[0074] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0075] Unless otherwise stated, the exemplary embodiments / examples shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of the various embodiments / examples may be further combined, separated, interchanged, and / or rearranged without departing from the technical concepts of the present disclosure.
[0076] The use of cross hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise indicated, the presence or absence of cross hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the order described. In addition, the same figure numbers represent the same components.
[0077] When a component is referred to as being “on,” “over,” “connected to,” or “coupled to” another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being “directly on,” “directly connected to,” or “directly coupled to” another component, there are no intervening components present. For this purpose, the term “connected” may refer to a physical connection, an electrical connection, etc., with or without intervening components.
[0078] For descriptive purposes, the present disclosure may use spatially relative terms such as "below," "beneath," "under," "down," "above," "upper," "above," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the drawings is turned over, a component described as "below" or "beneath" another component or feature would then be positioned "above" the other component or feature. Thus, the exemplary term "below" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and as such, the spatially relative descriptors used herein should be interpreted accordingly.
[0079] The terms used herein are for the purpose of describing specific embodiments and are not intended to be restrictive. As used herein, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, the features, integral bodies, steps, operations, parts, assemblies and / or their groups stated are explained, but the presence or addition of one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups is not excluded. It should also be noted that, as used herein, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values and / or the values provided that will be recognized by those of ordinary skill in the art.
[0080] Figure 1 1 is a schematic structural diagram of a torque detection device according to one embodiment of the present disclosure. Figure 2 1 is a schematic structural diagram of a partial structure of a torque detection device according to an embodiment of the present disclosure. Figure 3 3 is a structural schematic diagram of a partial structure of a torque detection device according to an embodiment of the present disclosure from another angle.
[0081] The torque detection device disclosed herein can be used to detect torque on a workpiece, such as a vehicle door hinge. In a typical implementation, the workpiece may include a hinge shaft, a body member (i.e., the portion mounted on the vehicle body, hereinafter referred to as the first portion), and a door member (i.e., the portion mounted on the vehicle door, hereinafter referred to as the second portion). During actual use of the torque detection device disclosed herein, the body member is fixed, while the door member is capable of rotating relative to the body member. Consequently, the first and second portions of the workpiece are capable of relative rotation, and the axis of relative rotation between the first and second portions (i.e., the workpiece's rotation axis) is the central axis of the hinge shaft.
[0082] like Figure 1 and Figure 2 As shown, the torque detection device of the present disclosure may include structures such as a frame 100, a torque detection module 200, a lifting drive device 300, a pre-pressing module 400 and a limiting module 500.
[0083] The frame 100 of the present disclosure may be a frame structure formed by interconnected plate-like components, wherein components such as the torque detection module 200 , the lifting drive device 300 , the pre-pressing module 400 and the limiting module 500 may be directly or indirectly fixed to the frame 100 .
[0084] The torque detection module 200 is slidably mounted on the frame 100 to generate an upward and downward motion relative to the frame 100. Specifically, the frame 100 of the present disclosure may be provided with two substantially vertical guide rails. Each guide rail is provided with a slider that can slide relative to the guide rail.
[0085] The torque detection module 200 may include a lifting plate 210 , which can be fixedly connected to the slider, so that the torque detection module 200 of the present disclosure can generate lifting motion relative to the frame 100 .
[0086] The lifting drive device 300 is disposed on the frame 100 and is used to drive the torque detection module 200 to generate a lifting motion. Specifically, the lifting drive device 300 of the present disclosure can be a cylinder, the cylinder body of which is fixed to the frame 100, and the piston rod of the cylinder is fixed to the lifting plate 210. Preferably, the piston rod of the cylinder can be fixed to the lifting plate 210 via a floating joint. As a result, the torque detection module 200 of the present disclosure has a certain floating ability during the lifting process. The extension direction of the piston rod is also vertical. Therefore, when the lifting drive device 300 is in operation, it can drive the torque detection module 200 to rise and fall relative to the frame 100.
[0087] Figure 4 It is a structural schematic diagram of a torque detection module according to one embodiment of the present disclosure.
[0088] like Figure 4 As shown, the torque detection module 200 of the present disclosure may further include components such as a torque detection driving device 220 and a shift fork 260 .
[0089] Specifically, the torque detection drive device 220 of the present disclosure can be fixed to the lifting plate 210. The torque detection drive device 220 of the present disclosure can be a motor, preferably a servo motor, so that the torque detection device of the present disclosure has high rotation accuracy when working.
[0090] A safety coupling 280 is provided at the output end of the torque detection driving device 220 . A torque sensor 290 is connected to the lower end of the safety coupling 280 . The torque sensor 290 is connected to the lower coupling 230 .
[0091] Thus, the torque sensor 290 can be protected by the provision of the safety coupling 280. Specifically, when the rotational torque of the second portion relative to the first portion is excessive and exceeds a safe value, the safety coupling 280 can disengage the driving force transmitted from the torque detection drive device 220 to the torque sensor 290. At this time, the safety detection device can alarm, and manual processing can be carried out. The unqualified door hinge can be discarded and the lower half of the safety coupling 280 can be rotated to restore it, so that the torque detection module 200 can resume operation.
[0092] The safety detection device disclosed in the present invention can be an inductive proximity sensor, which can be arranged near the safety coupling 280. It can detect the difference in inductance between the safety coupling 280 in the engaged state and the disengaged state, and accurately obtain the state of the safety coupling 280, and alarm the user when the safety coupling 280 is in the disengaged state.
[0093] The lower coupling 230 may be an elastic coupling or a cross coupling, etc. The lower coupling 230 is also connected to a gearbox 240 , and an output shaft of the gearbox 240 is provided with a torque detection connecting member 250 , to which a shift fork 260 is fixed.
[0094] In other words, when the torque detection drive device 220 of the present disclosure rotates, it can cause the torque detection connecting member 250 to rotate. The rotation axis of the torque detection drive device 220 is a vertical axis, and the rotation axis of the torque detection connecting member 250 is also a vertical axis. In this case, the rotation axis of the workpiece is also a vertical axis. Therefore, the rotation axis of the torque detection drive device 220 is parallel or substantially parallel to the rotation axis of the workpiece.
[0095] In the present disclosure, the torque detection connector 250 is provided with a mounting hole. In one embodiment, the number of mounting holes can be more than two; for example, the number of mounting holes can be three. Furthermore, at least two shift forks 260 are provided, and the upper ends of these two shift forks 260 are respectively mounted within the mounting holes. Thus, when the torque detection device of the present disclosure is in use, the shift forks 260 can be mounted in different mounting holes, thereby having different positions and spacings between the shift forks 260, thereby adapting to different workpieces and increasing the use cases of the torque detection device of the present disclosure.
[0096] In actual use, the second portion of the workpiece is located between the two shift forks 260 , and the reciprocating rotation of the workpiece is achieved through the reciprocating rotation of the torque detection driving device 220 .
[0097] The torque detection device of the present disclosure also includes a detection module 270, which is used to detect the circumferential position of the torque detection drive device 220. Specifically, the detection module 270 of the present disclosure can be a beamforming switch, and a detection disk can be provided on the input shaft of the transmission 240, with the edge of the detection disk positioned between the two beamforming switches. Furthermore, the edge of the detection disk is provided with a notch. When the notch is directly opposite the beamforming switch, the signal emitted by the beamforming switch's transmitter can pass through the notch and be received by a receiver, thereby triggering the receiver to obtain the position of the input shaft of the transmission 240. Accordingly, based on the transmission relationship of the transmission 240, the position of the output shaft can also be obtained.
[0098] The torque detection device (or torque detection module) disclosed in the present invention may further include a calibration component 700, which may include components such as a calibration fixing plate 710, a calibration connector 720, a calibration roller 730, and a calibration weight 740. Thus, the calibration component 700 disclosed in the present invention can calibrate the torque sensor.
[0099] Specifically, the calibration fixing plate 710 of the present invention is fixed to the lifting plate 210, and a calibration roller 730 is provided on the calibration fixing plate 710; the calibration connecting member 720 is provided between the lower coupling 230 and the gearbox 240, and can transmit the power of the lower coupling 230 to the gearbox 240; one end of the pull rope is connected to the calibration connecting member 720, and the other end of the pull rope passes through (via) the calibration roller 730 and is connected to the calibration weight 740. Thus, according to the weight of the calibration weight 740, the torque applied by the torque detection drive device 220 to the calibration component 700 via the torque sensor 290 can be obtained, and accordingly, the calibration of the torque sensor 290 is realized.
[0100] In the present disclosure, the pre-compression module 400 is used to limit the position of the first part; wherein, the torque detection module 200 is used to drive the second part to rotate reciprocally relative to the first part to detect the torque required when the second part rotates relative to the first part.
[0101] That is to say, when the torque detection device of the present invention is in use, the body part of the door hinge can be fixed and the door part can be driven to rotate, so that the torque detection device of the present invention can accurately simulate and detect the torque of the working process of the door hinge with high measurement accuracy.
[0102] Specifically, if Figure 1 and Figure 2As shown, the pre-pressing module 400 disclosed herein may include: a pre-pressing drive device 410 and a pre-pressing plate 420; the pre-pressing drive device 410 is arranged on the frame 100, wherein the pre-pressing drive device 410 may be a cylinder; the pre-pressing plate 420 is arranged on the pre-pressing drive device 410 to drive the pre-pressing plate 420 to generate a lifting movement through the pre-pressing drive device 410, wherein the first part of the workpiece is confined between the pre-pressing plate 420 and the tooling module 600.
[0103] The pre-pressing module 400 may further include a displacement sensor capable of detecting the distance the pre-pressing plate 420 is driven downward by the pre-pressing drive device 410 , thereby determining whether the pre-pressing of the first part has been completed based on the data detected by the displacement sensor.
[0104] Figure 5 It is a structural schematic diagram of a tooling module according to one embodiment of the present disclosure.
[0105] like Figure 1 and Figure 2 As shown, the tooling module 600 of the present disclosure is used to hold the workpiece; wherein the pre-pressing module 400 cooperates with the tooling module 600 to limit the position of the first part.
[0106] like Figure 5 As shown, the tooling module 600 of the present disclosure includes: a shaft retaining portion 610 and a first retaining portion 620. The shaft retaining portion 610 is used to support and retain the hinge shaft of the workpiece from below; two first retaining portions 620 are provided, and these two first retaining portions 620 are located on both sides of the shaft retaining portion 610. The pre-load plate 420 is used to cooperate with at least one of the two first retaining portions 620. As a result, the tooling module 600 of the present disclosure can adapt to different models of vehicle door hinges, expanding the application range of the torque detection device of the present disclosure.
[0107] In a preferred embodiment, there are two pre-stressing drive devices 410 , which are arranged on both sides of the tooling module 600 . Thus, the pre-stressing plate 420 can be stably moved downward by the two pre-stressing drive devices 410 .
[0108] Figure 6 It is a structural schematic diagram of a limiting module according to an embodiment of the present disclosure.
[0109] like Figure 6 As shown, the upper end of the hinge shaft of the vehicle door hinge disclosed in the present invention is limited by the limiting module 500, thereby, the hinge shaft of the vehicle door hinge disclosed in the present invention can be set between the tooling module 600 and the limiting module 500, and be stably maintained by the tooling module 600 and the limiting module 500.
[0110] Specifically, the position limiting module 500 of the present disclosure includes: a position limiting drive device 510, a position limiting connector 520, and a rotating shaft 530. The position limiting drive device 510 is disposed on the frame 100, wherein the position limiting drive device 510 can be a cylinder. One end of the position limiting connector 520 is connected to the position limiting drive device 510. Specifically, one end of the position limiting connector 520 can be connected to the position limiting drive device 510 via a fixing plate, so that the position limiting drive device 510 drives the position limiting connector 520 to generate a lifting motion.
[0111] The rotating shaft 530 of the present disclosure is rotatably mounted on the other end of the position-limiting connector 520. The lower end of the rotating shaft 530 is configured to engage with the hinge shaft to limit the position of the hinge shaft. In other words, the hinge shaft of the vehicle door hinge of the present disclosure can be assembled from two parts. In this case, the tooling module 600 supports and holds the lower half of the hinge shaft, while the rotating shaft 530 limits the upper half of the hinge shaft.
[0112] The torque detection device disclosed herein can detect the forward and reverse rotational torque of a vehicle door component about its hinge axis, and also has the ability to detect its maximum opening angle, resolving the technical issues mentioned in the background art. Furthermore, the torque detection device disclosed herein is compatible with a variety of products and can accurately detect the torque value and maximum opening angle for each product, meeting the requirements of automated assembly lines for vehicle door hinges. This can save significant manpower and time, reduce equipment investment, and significantly improve factory efficiency.
[0113] During use, the disclosed torque detection device detects the rotational torque of the door hinge by fixing the door component and rotating the body component, without restricting the rotation of the hinge shaft. Furthermore, the disclosed torque detection device provides a protective function for severely out-of-tolerance products, effectively protecting the torque sensor from damage and extending the service life of the torque detection device. Furthermore, the disclosed torque detection device can meet production requirements, ensure product qualification rates, and reduce equipment investment costs.
[0114] The calibration assembly 700 of the present disclosure is detachably mounted on the lifting plate 210. Specifically, when the calibration assembly 700 of the present disclosure is not in use, the calibration fixing plate 710, the pull rope, and the calibration weight 740 can be removed, while the calibration connector 720 remains. Furthermore, the calibration assembly 700 is used infrequently, only once every six months or even once a year.
[0115] When the torque detection device disclosed herein is in use, the products on the automated production line can be transported to the tooling module by a robotic arm or manually, and then restricted on the tooling module. The limiting module limits the hinge shaft of the product in the axial direction to ensure axial concentricity without pressing the hinge shaft; the pre-pressing module descends to press the body parts of the product to prevent them from rotating; a fork is provided at the bottom of the torque detection module to rotate the door parts, and at the same time outputs the rotation angle and the torque value detected by the torque sensor to obtain the torque detection result.
[0116] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments / methods or examples. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.
[0117] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.
[0118] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present disclosure and are not intended to limit the scope of the present disclosure. Other changes or modifications may be made based on the above disclosure, and such changes or modifications are still within the scope of the present disclosure.
Claims
1. A torque detection device, the torque detection device is used to detect torque on a workpiece, wherein: The workpiece comprises a first part and a second part that can rotate relative to each other; and the torque detection device comprises: frame; a torque detection module, the torque detection module being slidably disposed on the frame so as to be capable of generating a lifting motion relative to the frame; A lifting drive device, the lifting drive device is provided on the frame and is used to drive the torque detection module to generate lifting motion; and A pre-pressing module is used to limit the position of the first part; wherein the torque detection module is used to drive the second part to rotate reciprocatingly relative to the first part to detect the torque required when the second part rotates relative to the first part.
2. The torque detection device according to claim 1, characterized in that: Also includes: A tooling module is used to hold a workpiece; wherein the pre-pressing module cooperates with the tooling module to limit the position of the first part.
3. The torque detection device according to claim 2, characterized in that: The pre-pressing module comprises: a pre-pressing drive device, the pre-pressing drive device being arranged on the frame; and A pre-pressing plate is provided on the pre-pressing drive device so as to drive the pre-pressing plate to generate lifting motion through the pre-pressing drive device, wherein the first part of the workpiece is confined between the pre-pressing plate and the tooling module.
4. The torque detection device according to claim 3, characterized in that: There are two pre-pressing drive devices, which are arranged on both sides of the tooling module.
5. The torque detection device according to claim 4, characterized in that: The tooling module includes: a shaft holding portion for holding a hinge shaft of the workpiece; and The first part holding portion is provided in two portions, and the two first component holding portions are located on both sides of the shaft holding portion, wherein the pre-compression plate is used to cooperate with at least one of the two first component holding portions.
6. The torque detection device according to claim 1, characterized in that: The torque detection module includes: A torque detection drive device having a rotation axis; wherein the rotation axis of the torque detection drive device is parallel to the rotation axis of the workpiece; at least two shift forks are provided, and the second portion of the workpiece is located between the two shift forks, and the reciprocating rotation of the workpiece is achieved by the reciprocating rotation of the torque detection driving device; and The torque sensor is used to detect the torque applied by the torque detection drive device to the shift fork.
7. The torque detection device according to claim 6, characterized in that: The torque detection drive device is connected to the safety coupling, the safety coupling is connected to the torque sensor, the torque sensor is connected to the lower coupling, the lower coupling is connected to the gearbox, the output shaft of the gearbox is provided with a torque detection connecting piece, and the shift fork is fixed to the torque detection connecting piece.
8. The torque detection device according to claim 7, characterized in that: Also includes: The calibration module is used to calibrate the torque sensor.
9. The torque detection device according to claim 8, characterized in that: The calibration module includes: A calibration fixing plate, the calibration fixing plate being fixed to the lifting plate of the torque detection module; a calibration roller, the calibration roller being rotatably disposed on the calibration fixing plate; and A calibration connector is connected to the lower coupling and the gearbox respectively; wherein one end of the pull rope is connected to the calibration connector, and the other end of the pull rope is connected to the calibration weight via a calibration roller.
10. The torque detection device according to claim 6, characterized in that: Also includes: A detection module is used to detect the circumferential position of the torque detection drive device.
11. The torque detection device according to claim 2, characterized in that: The workpiece further includes a hinge shaft, the lower end of the hinge shaft is supported by the tooling module, and the upper end of the hinge shaft is limited by the limiting module.
12. The torque detection device according to claim 11, characterized in that: The limiting module includes: A limit drive device, wherein the limit drive device is arranged on the frame; A limit connecting member, one end of which is connected to the limit driving device, and the limit driving device drives the limit connecting member to generate a lifting motion; A rotating shaft is rotatably arranged at the other end of the limiting connecting member, and the lower end of the rotating shaft is used to contact and cooperate with the hinge shaft to limit the position of the hinge shaft.