CN220490283U - Torque calibration device - Google Patents

Abstract

The present application relates to a torque calibration device, comprising: the torque measuring component is arranged at the fixed end of the hydraulic dismounting frame and is used for detecting the pulling pressure value when the hydraulic dismounting frame is screwed; the calibration component is arranged at the screwing end of the hydraulic dismounting frame and is used for detecting a torque value when the hydraulic dismounting frame is screwed; a control member electrically connected to the torque measurement assembly and the calibration assembly; the industrial personal computer is in communication connection with the control piece; when the screwing end and the fixed end are screwed, the control piece transmits the received pulling pressure value and the torque value to the industrial personal computer, and the industrial personal computer calibrates the hydraulic dismounting frame according to the pulling pressure value and the torque value. The technical scheme of the application effectively solves the technical problems of time consumption, labor consumption and high cost of the torque calibration operation of the traditional hydraulic dismounting frame.

Description

Torque calibration device

Technical Field

The application relates to the technical field of calibration equipment, in particular to a torque calibration device.

Background

Along with the rapid development of the petroleum industry, the requirement on the accuracy of the torque value of the hydraulic dismounting frame for the petroleum pipe is higher. At present, when the torque value of the hydraulic dismounting frame mainly passes through a turnbuckle, the counter force which is transmitted to the back-up wrench pulling and pressing sensor by a fixed workpiece is measured, and the torque value is calculated and obtained. The method needs to use a high-linearity and zero-drift pull-press sensor and an electric element of an amplifying circuit for measurement, so that the obtained torque value is accurate and reliable. However, the above-mentioned electrical components are difficult to realize in practical production due to limitations of practical production conditions and production processes. In order to meet the accuracy requirement of the torque value, the hydraulic dismounting frame torque needs to be calibrated. In the related art, a manufacturer is generally required to arrange a professional technician to manually calibrate the hydraulic dismounting frame torque at a designated time, and the whole calibration process is time-consuming, labor-consuming and high in cost.

Disclosure of Invention

The application provides a torque calibration device to solve the time consuming and labor consuming, the high technical problem of cost of traditional hydraulic pressure dismouting frame torque calibration operation.

To this end, an embodiment of the present application provides a torque calibration device, including:

the torque measuring component is arranged at the fixed end of the hydraulic dismounting frame and is used for detecting the pulling pressure value when the hydraulic dismounting frame is screwed;

the calibration component is arranged at the screwing end of the hydraulic dismounting frame and is used for detecting a torque value when the hydraulic dismounting frame is screwed;

a control member electrically connected to the torque measurement assembly and the calibration assembly; and

the industrial personal computer is in communication connection with the control piece; when the screwing end and the fixed end are screwed, the control piece transmits the received pulling pressure value and the torque value to the industrial personal computer, and the industrial personal computer calibrates the hydraulic dismounting frame according to the pulling pressure value and the torque value.

In one possible embodiment, the calibration assembly comprises a detection member and a converter, wherein the detection member is arranged at the turnbuckle end of the hydraulic dismounting frame and is used for detecting a current signal when the hydraulic dismounting frame is turned around; the converter is electrically connected with the detecting piece and is used for receiving and converting the current signal into a torque value;

the transducer is electrically connected with the control member.

In one possible embodiment, the sensing member includes a torque sensor and a sensor tool connected to the torque sensor, the sensor tool being connected to the swivel end of the hydraulic mount.

In one possible embodiment, the calibration assembly further comprises a fastener, the torque sensor and the sensor fixture being fastened by a fastener connection.

In one possible embodiment, the control member includes a first communication interface electrically connected to the transducer and a second communication interface electrically connected to the industrial personal computer.

In one possible embodiment, the control member further comprises an acquisition conversion module electrically connected to the torque measurement assembly.

In one possible embodiment, the torque measurement assembly includes a connected pull pressure sensor and a connection mount that is connected to a hydraulic mount.

In one possible implementation manner, the industrial personal computer comprises a calibration module, a configuration module and an operation module which is in communication connection with the calibration module and the configuration module, wherein the calibration module obtains a calibration virtual force arm and a calibration correction coefficient according to the pull pressure value and the torque value, the configuration module obtains a calibration torque value according to the calibration virtual force arm and the calibration correction coefficient, and the operation module is used for controlling the calibration module and the configuration module to operate or stop operating.

In one possible implementation manner, the calibration module performs linear fitting from a torque range of 0kn X m to 65kn X m according to a first formula, and obtains a fitting oblique line, wherein the slope of the fitting oblique line is a calibration virtual force arm, and the intersection point of the fitting oblique line and the X axis is a calibration correction coefficient; wherein the first formula is t=f virtual moment arm + correction factor,

t is a torque value detected by the calibration assembly when the hydraulic dismounting frame is screwed, and the unit is: kN x m;

f is a pulling pressure value of the hydraulic dismounting frame, which is detected by the torque measuring assembly, and the unit is: kN x m.

In one possible implementation, the configuration module obtains the calibration torque value according to a second formula; wherein the second formula is t1=f1 for calibrating the virtual moment arm + for calibrating the correction factor,

t1 is a calibrated torque value displayed by the torque detection assembly, in units of: kN x m;

f1 is a pull pressure value of the hydraulic dismounting frame, which is detected by the torque measuring assembly, and the unit is: kN x m.

According to the torque calibration device provided by the embodiment of the application, the torque calibration device comprises: the torque measuring component is arranged at the fixed end of the hydraulic dismounting frame and is used for detecting the pulling pressure value when the hydraulic dismounting frame is screwed; the calibration component is arranged at the screwing end of the hydraulic dismounting frame and is used for detecting a torque value when the hydraulic dismounting frame is screwed; a control member electrically connected to the torque measurement assembly and the calibration assembly; the industrial personal computer is in communication connection with the control piece; when the screwing end and the fixed end are screwed, the control piece transmits the received pulling pressure value and the torque value to the industrial personal computer, and the industrial personal computer calibrates the hydraulic dismounting frame according to the pulling pressure value and the torque value. According to the technical scheme, the intelligent calibration of the hydraulic dismounting frame is realized by optimizing the specific configuration of the torque calibration device, the whole calibration process is simple and easy to operate, time and labor are saved, and the cost is controllable. The torque calibration device is configured to be a combined component at least comprising a torque measurement assembly, a calibration assembly, a control piece and an industrial personal computer, wherein the torque measurement assembly has at least two functions, namely, under the normal use condition of the hydraulic dismounting frame, a pulling pressure value when the hydraulic dismounting frame is screwed is detected, the pulling pressure value is transmitted to the industrial personal computer through the control piece, and the industrial personal computer receives, processes and feeds back a real-time torque value of the hydraulic dismounting frame; and secondly, when the hydraulic dismounting frame is calibrated, the hydraulic dismounting frame and the calibration component act together, and simultaneously, a pulling pressure value when the hydraulic dismounting frame is screwed and a torque value when the hydraulic dismounting frame is screwed are respectively provided for the industrial personal computer, so that the calibration of the hydraulic dismounting frame is realized. The control piece is respectively and electrically connected with the torque measuring assembly and the calibration assembly so as to respectively receive the pulling pressure value of the hydraulic disassembling and assembling frame and the torque value of the hydraulic disassembling and assembling frame when the rotary buckle is calibrated, and transmit corresponding data to the industrial personal computer, and the industrial personal computer calibrates the torque-pulling pressure relation of the hydraulic disassembling and assembling frame according to the data, and the real-time torque value of the hydraulic disassembling and assembling frame, which is detected by the torque measuring assembly and fed back by the industrial personal computer after the calibration, is accurate and reliable. Therefore, the automatic calibration of the hydraulic dismounting frame is realized through the torque calibration device, the operation difficulty and the complexity of the traditional manual calibration are greatly reduced, and the torque calibration cost is reduced; meanwhile, the whole process is used for controlling the calibration data through the industrial personal computer, so that manual data recording and data processing are avoided, and the torque calibration efficiency and torque calibration precision are effectively improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort. One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a schematic structural diagram of a torque calibration device according to an embodiment of the present application;

fig. 2 is a circuit diagram of a torque calibration device according to an embodiment of the present application.

Reference numerals illustrate:

100. a torque measurement assembly; 110. a pull pressure sensor; 120. a connecting seat;

200. a calibration assembly; 210. a detecting member; 211. a torque sensor; 212. a sensor tool; 220. a converter; 230. a fastener;

300. a control member; 310. a first communication interface; 320. a second communication interface; 330. the acquisition and conversion module;

400. an industrial personal computer; 410. a calibration module; 420. a configuration module; 430. an operation module;

10. a fixed end; 20. and a screwing end.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such 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 the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Referring to fig. 1 and 2, an embodiment of the present application provides a torque calibration device, which includes: torque measurement assembly 100, calibration assembly 200, control 300, and industrial personal computer 400.

The torque measurement assembly 100 is arranged at the fixed end 10 of the hydraulic dismounting frame, and the torque measurement assembly 100 is used for detecting a pulling pressure value when the hydraulic dismounting frame is screwed;

the calibration assembly 200 is arranged at the turnbuckle end 20 of the hydraulic dismounting frame, and the calibration assembly 200 is used for detecting a torque value when the hydraulic dismounting frame is turned buckle;

a control member 300 electrically connected to the torque measurement assembly 100 and the calibration assembly 200; and

the industrial personal computer 400 is in communication connection with the control piece 300; when the turnbuckle end 20 and the fixed end 10 are turned and buckled, the control piece 300 transmits the received pulling pressure value and the torque value to the industrial personal computer 400, and the industrial personal computer 400 calibrates the hydraulic dismounting frame according to the pulling pressure value and the torque value.

In the embodiment, the intelligent calibration of the hydraulic dismounting frame is realized by optimizing the specific configuration of the torque calibration device, the whole calibration process is simple and easy to operate, time and labor are saved, and the cost is controllable.

Specifically, the torque calibration device is configured to at least comprise a combined component of a torque measurement assembly 100, a calibration assembly 200, a control member 300 and an industrial personal computer 400, wherein the torque measurement assembly 100 has at least two functions, namely, under the normal use condition of the hydraulic dismounting frame, a pulling pressure value when the hydraulic dismounting frame is screwed is detected, the pulling pressure value is transmitted to the industrial personal computer through the control member 300, and the industrial personal computer 400 receives, processes and feeds back a real-time torque value of the hydraulic dismounting frame; and secondly, when the hydraulic dismounting frame is calibrated, the hydraulic dismounting frame and the calibration assembly 200 act together, and simultaneously, a pulling pressure value when the hydraulic dismounting frame is screwed and a torque value when the hydraulic dismounting frame is screwed are respectively provided for the industrial personal computer 400, so that the calibration of the hydraulic dismounting frame is realized. The control member 300 is electrically connected to the torque measuring assembly 100 and the calibration assembly 200, respectively, so as to receive the pulling pressure value of the hydraulic disassembling and assembling frame and the torque value of the hydraulic disassembling and assembling frame during the calibration of the turnbuckle, and transmit corresponding data to the industrial personal computer 400, and the industrial personal computer 400 calibrates the torque-pulling pressure relationship of the hydraulic disassembling and assembling frame according to the data, and the real-time torque value of the hydraulic disassembling and assembling frame, which is detected by the torque measuring assembly 100 and fed back by the industrial personal computer 400 after the calibration, is accurate and reliable. Therefore, the automatic calibration of the hydraulic dismounting frame is realized through the torque calibration device, the operation difficulty and the complexity of the traditional manual calibration are greatly reduced, and the torque calibration cost is reduced; meanwhile, the whole process controls the calibration data through the industrial personal computer 400, so that manual data recording and data processing are avoided, and the torque calibration efficiency and torque calibration precision are effectively improved.

In one example, the control 300 is a PLC system that includes circuitry integrated with a multi-way switch, a programmable amplifier, a sample/holder, an a/D converter, etc. to enable high speed collection and communication of information on the torque measurement assembly 100, calibration assembly 200. The industrial personal computer 400 is an industrial touch screen computer, a tablet, a touch display device, etc., but is not limited thereto.

In one possible embodiment, the calibration assembly 200 includes a detection member 210 and a transducer 220, wherein the detection member 210 is disposed at the turnbuckle end 20 of the hydraulic power rack for detecting a current signal when the hydraulic power rack is turned on; the converter 220 is electrically connected to the detecting element 210, and is configured to receive and convert the current signal into a torque value;

the converter 220 is electrically connected with the control member 300.

In this embodiment, the specific configuration of the calibration assembly 200 is optimized. Specifically, the calibration assembly 200 is configured as a combined member including at least a detecting member 210 and a converter 220, wherein the detecting member 210 is used for detecting a current signal when the hydraulic dismounting frame is screwed, and the converter 220 is used for converting the current signal into torque value data, so that detection, transmission and display of the torque value of the hydraulic dismounting frame are realized.

In one example, the converter 220 is a smart meter including a fully isolated a/D converter that converts the standard 4mA to 20mA current signal output by the sensing element 210 into torque value data and displays it in real time through an LED screen on the smart meter while transmitting it to the control 300.

In one possible embodiment, the sensing element 210 includes a torque sensor 211 and a sensor tool 212 connected, the sensor tool 212 being connected to the turnbuckle end 20 of the hydraulic mount/demount.

In this embodiment, the specific configuration of the detecting member 210 is optimized. Specifically, the detecting member 210 is configured as a combined member including at least a torque sensor 211 for detecting and outputting a current signal of a unscrewing torque to which the knob device is unscrewed, and a sensing tool 212 for fixing the torque sensor 211 and transmitting the unscrewing torque at the time of hydraulically disassembling the rack to the torque sensor 211.

In one example, the torque sensor 211 is a static torque sensor, the sensor detection tool is fastened to flanges at two ends of the static torque sensor through a fastening connection such as a bolt/screw, and the assembled static torque sensor and the sensor tool 212 are clamped to the turnbuckle end 20 of the hydraulic dismounting frame. The static torque sensor adopts a strain gauge electrical measurement technology, a strain bridge is formed on an elastic shaft of the static torque sensor, a torsion electric signal of the elastic shaft can be measured after power is supplied, and a standard 4 mA-20 mA current signal can be output after processing.

In one possible embodiment, the calibration assembly 200 further includes a fastener 230, the torque sensor 211 and the sensor tool 212 being secured by the fastener 230 connection.

In this embodiment, the specific configuration of the calibration assembly 200 is further optimized. Specifically, the calibration assembly 200 is configured as a combined component at least including the detecting member 210, the converter 220, and the fastener 230, wherein the fastener 230 is used for connecting the fastening torque sensor 211 and the sensor tool 212, so as to improve the operation stability of the torque sensor 211 in the screwing process. For example, but not limited to, the fastener 230 is a bolt/screw or like structure.

In one possible embodiment, the control 300 includes a first communication interface 310 and a second communication interface 320, the first communication interface 310 is electrically connected to the converter 220, and the second communication interface 320 is electrically connected to the industrial personal computer 400.

In this embodiment, the specific configuration of the control 300 is optimized. Specifically, the first communication interface 310 and the second communication interface 320 are configured on the control 300 to be connected to the converter 220 and the industrial personal computer 400, respectively. For example, but not limited to, the first communication interface 310 is a 485 communication interface, and in this case, another group of 485 communication interfaces communicating with the 485 communication interface is provided on the converter 220, so as to implement communication connection between the control member 300 and the converter 220 through a 485 communication line. The second communication interface 320 is an ethernet communication interface to implement a communication connection between the control unit 300 and the industrial personal computer 400 through ethernet.

In one possible embodiment, the control 300 further includes an acquisition conversion module 330, the acquisition conversion module 330 being electrically connected to the torque measurement assembly 100.

In this embodiment, the specific configuration of the control 300 is further optimized. Specifically, the first communication interface 310, the second communication interface 320, and the acquisition and conversion module 330 are configured on the control member 300 to communicate the control member 300 and the torque measurement assembly 100 through the acquisition and conversion module 330. The acquisition and conversion module 330 can receive the pull pressure current signal transmitted from the torque measurement assembly 100, and convert the current signal AD into a pull pressure value, and then transmit the pull pressure value to the industrial personal computer 400. For example, and without limitation, the acquisition conversion module 330 is an analog module.

In one possible embodiment, the torque measurement assembly 100 includes a pull pressure sensor 110 and a connection mount 120 connected, the connection mount 120 being connected to the fixed end 10 of the hydraulic mount.

In this embodiment, the specific configuration of the torque measurement assembly 100 is optimized. Specifically, the torque measuring assembly 100 is configured as a combined member including at least a pull pressure sensor 110 and a connection base 120, the connection base 120 is connectable to the fixed end 10 of the hydraulic mount/demount by a fastener 230 such as a bolt/screw, the pull pressure sensor 110 is connected to the connection base 120, and thus, the connection base 120 can transmit a screwing torque received on the fixed end 10 of the hydraulic mount/demount to the pull pressure sensor 110, and the pull pressure sensor 110 receives the screwing torque and processes and outputs a pulling pressure current signal.

In one possible implementation, the industrial personal computer 400 includes a calibration module 410, a configuration module 420, and an operation module 430 communicatively connected to the calibration module 410 and the configuration module 420, wherein the calibration module 410 obtains a calibration virtual arm and a calibration correction coefficient according to the pull pressure value and the torque value, the configuration module 420 obtains a calibration torque value according to the calibration virtual arm and the calibration correction coefficient, and the operation module 430 is used for controlling the calibration module 410 and the configuration module 420 to operate or stop operating.

In this embodiment, the specific configuration of the industrial personal computer 400 is optimized. Specifically, the industrial personal computer 400 is configured as a combined component at least including a standard module, a configuration module 420 and an operation module 430, wherein the standard module is used for calibrating and correcting the torque value in the calibration mode, the configuration module 420 is used for feeding back the actual torque value in the normal working mode, and an operator can control the industrial personal computer 400 to be in the calibration mode or the normal working mode through the operation module 430. When the industrial personal computer 400 is in the calibration mode, at this time, the standard module can perform linear fitting through the pull pressure value transmitted by the torque measurement assembly 100 and the torque value transmitted by the hydraulic dismounting frame, and obtain an actual calibration virtual force arm and a calibration correction coefficient according to the linear fitting oblique line, and the configuration module 420 can obtain a real-time and accurate torque value through the calibration virtual force arm, the calibration correction coefficient and the real-time pull pressure value; when the industrial personal computer 400 is in the normal working mode, the standard module is in the non-working state, and the configuration module 420 receives the pulling pressure value transmitted by the torque measurement assembly 100 and feeds back the real-time torque value received by the hydraulic dismounting frame.

In one example, the configuration module 420 is provided with a programming interface for accessing an external program, and an operator can modify the virtual arm value and the correction coefficient value in the configuration module 420 through the programming interface. That is, the specific steps of the whole calibration operation include: firstly, the operation module 430 enables the industrial personal computer 400 to execute a calibration mode and obtain a calibration virtual force arm and a calibration correction coefficient; then, the calibration virtual force arm and the calibration correction coefficient are input into the configuration module 420 through a programming interface, so that the configuration module 420 runs the calibrated data processing model to complete the calibration of the hydraulic dismounting frame; finally, the operation module 430 enables the industrial personal computer 400 to execute a normal operation mode, acquires a real-time pulling pressure value transmitted by the fixed end 10 of the hydraulic dismounting frame, and acquires and feeds back a screwing torque value received when the screwing end 20 of the hydraulic dismounting frame is screwed according to the real-time pulling pressure value.

In one possible implementation, the calibration module 410 performs linear fitting from a torque range of 0kn X m to 65kn X m according to a first formula, and obtains a fitting slope, where the slope of the fitting slope is a calibration virtual moment arm, and an intersection point of the fitting slope and the X axis is a calibration correction coefficient; the first formula is t=f×virtual moment arm+correction coefficient, where T is a torque value of the hydraulic dismounting frame detected by the calibration assembly 200 in units of: kN x m;

f is the pull pressure value in the hydraulic split rack turnbuckle detected by the torque measurement assembly 100, in units: kN x m.

In this embodiment, the specific operation mode of the calibration module 410 is optimized, and different pull pressure values under different torque values from 0kn X m to 65kn X m are obtained according to a first formula t=f, and are linearly fit into a fitting oblique line, and then a calibration correction coefficient (the calibration correction coefficient value is the intersection value of the fitting oblique line and the X axis) and a calibration virtual force arm (the calibration virtual force arm value is the slope of the fitting oblique line) are obtained according to the fitting oblique line.

In one possible implementation, the configuration module 420 obtains the calibration torque value according to a second formula; wherein the second formula is t1=f1 for calibrating the virtual moment arm + for calibrating the correction factor,

t1 is a calibrated torque value displayed by the torque detection assembly, in units of: kN x m;

f1 is a pull pressure value in units of the hydraulic dismounting frame turnbuckle detected by the torque measuring assembly 100: kN x m.

In this embodiment, the specific operation mode of the configuration module 420 is optimized, and the virtual arm of force and the calibration correction coefficient are calibrated according to the second formula t1=f1 to obtain the real-time pull pressure value of the hydraulic mounting/dismounting frame, and then the real-time pull pressure value is substituted into the second formula to obtain the real-time torque value of the hydraulic mounting/dismounting frame.

The torque calibration device provided by the embodiment directly realizes the calibration fitting of the hydraulic dismounting frame through the operation module 430 of the industrial personal computer 400, has low operation difficulty and high automation degree, greatly reduces the calibration labor cost and the calibration difficulty, and saves time and labor; the whole calibration process is controlled by the industrial personal computer 400, so that the situations of accidental errors/mistakes and the like in manual data processing are avoided, and the calibration accuracy are improved.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A torque calibration device, comprising:

the torque measuring component is arranged at the fixed end of the hydraulic dismounting frame and is used for detecting a pulling pressure value when the hydraulic dismounting frame is screwed;

the calibration assembly is arranged at the turnbuckle end of the hydraulic dismounting frame and is used for detecting a torque value when the hydraulic dismounting frame is turned on;

a control electrically connected to the torque measurement assembly and the calibration assembly; and

the industrial personal computer is in communication connection with the control piece; when the screwing end and the fixed end are screwed, the control piece transmits the received pulling pressure value and the torque value to the industrial personal computer, and the industrial personal computer calibrates the hydraulic dismounting frame according to the pulling pressure value and the torque value.

2. The torque calibration device according to claim 1, wherein the calibration assembly comprises a detection member and a transducer, the detection member being provided at a turnbuckle end of the hydraulic power rack for detecting a current signal when the hydraulic power rack is turned; the converter is electrically connected with the detecting piece and is used for receiving and converting the current signal into a torque value;

the transducer is electrically connected with the control member.

3. The torque calibration device according to claim 2, wherein the sensing member comprises a torque sensor and a sensor tooling connected, the sensor tooling being connected to a swivel end of a hydraulic mounting and dismounting rack.

4. The torque calibration device of claim 3, wherein the calibration assembly further comprises a fastener through which the torque sensor and the sensor tooling are fastened in connection.

5. The torque calibration device of claim 2, wherein the control comprises a first communication interface and a second communication interface, the first communication interface being electrically connected to the converter, the second communication interface being electrically connected to the industrial personal computer.

6. The torque calibration device of claim 5, wherein the control further comprises an acquisition conversion module electrically connected to the torque measurement assembly.

7. A torque calibration device according to claim 3 wherein the torque measurement assembly comprises a connected pull pressure sensor and a connection mount connected to a fixed end of a hydraulic mounting or dismounting frame.

8. The torque calibration device of claim 1, wherein the industrial personal computer comprises a calibration module, a configuration module and an operation module communicatively connected to the calibration module and the configuration module, the calibration module obtains a calibration virtual arm and a calibration correction coefficient according to the pull pressure value and the torque value, the configuration module obtains a calibration torque value according to the calibration virtual arm and the calibration correction coefficient, and the operation module is used for controlling the calibration module and the configuration module to operate or stop operating.

9. The torque calibration device of claim 8, wherein the calibration module performs a linear fit from a torque range of 0kn X m to 65kn X m according to a first formula, and obtains a fit slope, the slope of the fit slope being a calibration virtual moment arm, and an intersection of the fit slope and the X axis being a calibration correction coefficient; wherein the first formula is t=f virtual moment arm + correction factor,

t is a torque value detected by the calibration assembly when the hydraulic dismounting frame is screwed, and the unit is: kN x m;

f is a pulling pressure value of the hydraulic dismounting frame, which is detected by the torque measuring assembly, and the unit is: kN x m.

10. The torque calibration device of claim 9, wherein the configuration module obtains a calibration torque value according to a second formula; wherein the second formula is t1=f1 for calibrating the virtual moment arm + for calibrating the correction coefficient,

t1 is a calibrated torque value displayed by the torque detection assembly, in units of: kN x m;

f1 is a pull pressure value of the hydraulic dismounting frame, which is detected by the torque measuring assembly, and the unit is: kN x m.