CN113561118B - Error-proof control method, system and device for wireless torque wrench and storage medium - Google Patents
Error-proof control method, system and device for wireless torque wrench and storage medium Download PDFInfo
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- CN113561118B CN113561118B CN202110906373.5A CN202110906373A CN113561118B CN 113561118 B CN113561118 B CN 113561118B CN 202110906373 A CN202110906373 A CN 202110906373A CN 113561118 B CN113561118 B CN 113561118B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a mistake-proofing control method, a mistake-proofing control system, a mistake-proofing control device and a storage medium of a wireless torque wrench, wherein the mistake-proofing control method comprises the following steps: acquiring a torque value borne by a wrench body in real time, and judging whether the torque value meets a preset torque requirement or not; if the torque value meets the preset torque requirement, determining that the tightening action is completed once, and accumulating the total tightening times of the tightening action; judging whether the accumulated total tightening times reach a set total tightening times or not; and if the total tightening times reach the set total tightening times, outputting correct tightening operation prompt information. The invention can prevent the phenomenon of thread missing screwing or insufficient thread screwing force when workers carry out fastening operation, thereby improving the assembly quality of products.
Description
Technical Field
The invention relates to the technical field of intelligent assembly, in particular to a mistake-proofing control method, a mistake-proofing control system, a mistake-proofing control device and a mistake-proofing storage medium for a wireless torque wrench.
Background
It is estimated that the metal working industry has 50% of the production time for making fasteners. Among all the connections, the threaded connection is the most widely used, and the threaded connection is widely used in numerous mechanical assemblies due to simplicity, reliability and convenience in disassembly, so that the threaded assembly technology is the basic technology of the mechanical industry.
The torque wrench is widely applied to installation and maintenance work of equipment manufacturing in machinery, energy, traffic, metallurgy, chemical industry, mine and other industries, and when a plurality of key parts are fastened by bolts, bolt tightening torque needs to be controlled to ensure reasonable connection of two adjacent parts, namely the magnitude of the applied torque needs to be controlled to ensure that enough tightening torque can effectively fasten the bolts.
And especially for important electromechanical products, such as power generation, automobiles, machine tools, instruments and the like, the requirement on the assembly quality is high, and the assembly quality for screwing the bolt must be strictly controlled. However, when workers perform fastening operation, the phenomenon that threads are not screwed or the screwing force is insufficient often occurs, so that the assembly quality of products is seriously affected.
Disclosure of Invention
The invention mainly aims to provide a mistake-proofing control method, a mistake-proofing control system, a mistake-proofing control device and a mistake-proofing storage medium for a wireless torque wrench, and aims to solve the technical problem that the assembly quality is poor due to the fact that threads are frequently omitted or insufficient in tightening force during tightening operation.
In order to achieve the above object, the present invention provides a wireless torque wrench control system, wherein the error-proofing control method comprises:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value meets a preset torque requirement or not;
if the torque value meets the preset torque requirement, determining that the tightening action is completed once, and accumulating the total tightening times of the tightening action;
judging whether the accumulated total tightening times reach a set total tightening times or not;
and if the total tightening times reach the set total tightening times, outputting correct tightening operation prompt information.
Optionally, before the step of determining whether the accumulated total tightening times reaches a set total tightening times, the method includes:
judging whether the time length from the completion of the last tightening action exceeds a preset time length or not;
if the time length from the completion of the last tightening action exceeds the preset time length, stopping the accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
Optionally, before the step of determining whether the accumulated total tightening times reaches a set total tightening times, the method includes:
judging whether an input tightening operation completion instruction is received or not;
if the tightening operation completion instruction is received, stopping accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
Optionally, after the step of outputting a prompt message indicating that the tightening operation is correct if the total tightening times reaches the set total tightening times, the method further includes:
clearing the accumulated total tightening times, and returning to execute: and acquiring a torque value borne by the wrench body in real time, and judging whether the torque value meets a preset torque requirement.
Optionally, the step of collecting the torque value borne by the wrench body in real time and judging whether the torque value meets the preset torque requirement includes:
acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total tightening set times and torque set values;
the real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value reaches a torque set value or not;
and determining whether the torque value meets a preset torque requirement according to a judgment result of judging whether the torque value reaches a torque set value.
Optionally, the step of collecting the torque value received by the wrench body in real time and judging whether the torque value meets the preset torque requirement includes:
acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total tightening setting times, torque setting sequences and torque setting values in one-to-one correspondence with the torque setting sequences;
the real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value reaches a torque set value corresponding to a current screwing set sequence;
and determining whether the torque value meets a preset torque requirement or not according to a judgment result of judging whether the torque value reaches a torque set value corresponding to the current tightening set sequence or not.
In addition, the invention also provides a mistake-proofing control system of the wireless torque wrench, which comprises:
the wireless torque wrench comprises a wrench body, a torque sensor, a display screen and a wireless transmitter, wherein the torque sensor is used for acquiring a torque value borne by the wrench body in real time, the display screen is used for displaying the torque value in real time, and the wireless transmitter is used for converting the torque value into a torque digital signal and transmitting the torque digital signal to a wireless receiver;
a wireless receiver for converting the torque digital signal sent by the wireless transmitter into torque digital information recognizable and receivable by an error-proofing device;
error proofing equipment, error proofing equipment includes man-machine interaction module, communication module, analysis processing module and information prompt module, man-machine interaction module is used for carrying out error proofing control parameter's setting, and will set up after error proofing control parameter inputs extremely analysis processing module communication module is used for receiving moment of torsion digital information, and input extremely analysis processing module, analysis processing module is used for the basis moment of torsion digital information with error proofing control parameter judges whether the operation of screwing up is correct, and with the judgement result input extremely information prompt module, information prompt module is used for exporting the prompt message that the judgement result corresponds.
Optionally, the information prompting module includes an indicator light and/or a buzzer.
The present invention also provides an error protection control device comprising a memory as described above, a processor, and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, implements the steps of the error protection control method as described above.
The present invention also provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the error protection control method as described above.
According to the method, whether the tightening force of the current bolt tightening operation is enough or not is judged by the step of acquiring the torque value borne by the wrench body in real time and judging whether the torque value meets the preset torque requirement or not. And determining that the tightening action is completed once if the torque value meets a preset torque requirement, accumulating the total tightening times of the tightening action, judging whether the accumulated total tightening times reach a set total tightening time, and judging whether the accumulated total tightening times meet a tightening specification or meet a tightening operation requirement. And outputting correct prompt information of the tightening operation if the total tightening times reach the set tightening total times, so that the current tightening operation is correct, and determining the current tightening operation error if the worker does not receive the correct prompt information of the tightening operation, so that the worker can take further measures until the correct tightening operation is reached, and outputting the correct prompt information of the tightening operation, thereby realizing automatic error prevention in the bolt assembling process, enabling the operator to accurately perform fastening operation, preventing the phenomenon that the bolt is not fastened in place due to thread missing or insufficient tightening force, further improving the assembling quality of products, and ensuring the assembling precision of various station parts.
Drawings
FIG. 1 is a schematic block diagram of an error protection control apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a first embodiment of the error protection control method according to the present invention;
FIG. 3 is a schematic block diagram of an error protection control system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a modular structure of a cordless torque wrench according to an embodiment of the present invention;
FIG. 5 is a schematic block diagram of an error proofing apparatus according to an embodiment of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Referring to fig. 1, fig. 1 is a schematic block diagram of an error protection control device provided in various embodiments of the present invention. The error-proofing control device comprises a communication module 01, a memory 02, a processor 03 and the like. It will be appreciated by those skilled in the art that the error-proofing control device shown in fig. 1 may also comprise more or fewer components than those shown, or some components may be combined, or a different arrangement of components. The processor 03 is connected to the memory 02 and the communication module 01, respectively, and the memory 02 stores a computer program, which is executed by the processor 03 at the same time.
The communication module 01 may be connected to an external device through a network. The communication module 01 may receive data sent by an external device, and may also send data, instructions, and information to the external device, where the external device may be an electronic device such as a data management terminal, a mobile phone, a tablet computer, a notebook computer, and a desktop computer.
The memory 02 may be used to store software programs and various data. The memory 02 may mainly include a program storage area and a data storage area, where the program storage area may store an operating system, an application program required by at least one function (a target sub-process, a first monitoring sub-process and a shared file corresponding to the instruction are created based on a parent process), and the like; the storage data area may store data or information created by the operating condition and running environment of the error-proofing control device and the phase change of the traffic signal, and the like. Further, the memory 02 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 03, which is a control center of the error-proofing control device, connects various parts of the entire error-proofing control device using various interfaces and lines, and performs various functions of the error-proofing control device and processes data by running or executing software programs and/or modules stored in the memory 02 and calling data stored in the memory 02. Processor 03 may include one or more processing units; preferably, the processor 03 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 03. Although not shown in fig. 1, the error-proof control device may further include a power module for supplying power to ensure the normal operation of other components.
It will be appreciated by those skilled in the art that the error protection control device modular structure shown in fig. 1 does not constitute a limitation of the error protection control device and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
The invention provides a mistake-proofing control method of a wireless torque wrench.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the error protection control method of the present invention; the error-proofing control method comprises the following steps:
step S100, collecting a torque value borne by a wrench body in real time, and judging whether the torque value meets a preset torque requirement or not;
wherein, can understand, the torque value that the spanner body received can be gathered to the torque sensor who installs on the spanner body.
If the torque value meets the preset torque requirement, executing step S200: determining that a tightening action is completed once, and accumulating the total number of tightening times for which the tightening action is completed;
step S300, judging whether the accumulated total tightening times reach the set total tightening times;
if the total tightening times reaches the set total tightening times, executing step S400: and outputting correct prompt information of the tightening operation.
Further, in an embodiment, the step of collecting a torque value applied to the wrench body in real time and determining whether the torque value meets a predetermined torque requirement includes:
step a, acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total screwing-up set times and a torque set value;
it should be noted that, the user may input the error-proofing control parameter by operating an interactive interface provided on the wrench body, or may complete the input of the error-proofing control parameter by operating an interactive device wirelessly connected to the wrench body.
The real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
b, acquiring a torque value borne by the wrench body in real time, and judging whether the torque value reaches a torque set value or not;
and c, determining whether the torque value meets a preset torque requirement according to a judgment result of judging whether the torque value reaches a torque set value.
And if the torque value does not reach the torque set value, determining that the torque value does not meet the preset torque requirement.
To facilitate understanding of the present embodiment, a specific embodiment is illustrated: the vehicle gearbox is provided with 12 bolts of M20, the tightening action of each bolt needs to be carried out 3 times, if the torque required by tightening the M20 bolt is 50N/M, a worker can set a torque set value of 50N/M corresponding to the M20 bolt at the moment and set the total tightening times to be 36 times, when the worker carries out tightening operation in the assembling process of the vehicle gearbox, if the accumulated total tightening times is equal to the set total tightening times to be 36 times, the correct tightening operation prompt information is output, for example, the correct tightening operation prompt information can be output by controlling an indicator lamp to turn green or controlling a vibration motor to vibrate.
In another embodiment, the step of acquiring the torque value applied to the wrench body in real time and determining whether the torque value meets the preset torque requirement includes:
step d, acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total tightening setting times, torque setting sequences and torque setting values corresponding to the torque setting sequences one by one;
the real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
step e, collecting the torque value borne by the wrench body in real time, and judging whether the torque value reaches a torque set value corresponding to the current tightening set sequence;
and f, determining whether the torque value meets a preset torque requirement according to a judgment result of judging whether the torque value reaches a torque set value corresponding to the current tightening set sequence.
If the torque value does not reach the torque set value corresponding to the current tightening set sequence, the torque value is determined not to meet the preset torque requirement.
To facilitate understanding of the embodiments of the present invention, a specific embodiment is illustrated: the vehicle gearbox is provided with 4M 20 bolts, 4M 16 bolts and 4M 24 bolts, and the gearbox has a certain assembly sequence, and needs to fasten 4M 20 bolts first, then fasten 4M 16 bolts, and finally fasten 4M 24 bolts, wherein the tightening action of each bolt needs to be performed 3 times, and supposing that the torque required by the M20 bolt to achieve tightening is 50N/M, the torque required by the M16 bolt to achieve tightening is 40N/M, and the torque required by the M24 bolt to achieve tightening is 60N/M. Then the worker can set the torque setting value corresponding to the 1 st to 12 th times of the torque setting sequence to 50N/m, the torque setting value corresponding to the 13 th to 24 th times of the torque setting sequence to 40N/m, and the torque setting sequence to set the torque setting value corresponding to the 25 th to 36 th times of the torque setting sequence to 60N/m, and then set the total number of tightening times to 36, when the worker performs the tightening operation in the assembling process of the transmission of the vehicle, if the accumulated total number of tightening times is equal to the total number of tightening times to 36, the correct prompt message of the tightening operation is outputted, for example, by controlling the indicator lamp to turn green or controlling the vibration motor to vibrate, so as to ensure that the worker tightens each bolt in the prescribed sequence and each bolt reaches the torque required by the process, therefore, the screwing degree of the threads can be accurately controlled, electromechanical integrated control is further realized, and the labor productivity and the safety are finally improved.
Further, after the step of outputting a prompt message indicating that the tightening operation is correct if the total tightening frequency reaches the set total tightening frequency, the method further includes:
clearing the accumulated total tightening times, and returning to execute: and acquiring a torque value borne by the wrench body in real time, and judging whether the torque value meets a preset torque requirement.
The present embodiment clears the accumulated total tightening times, and returns to execute: the method comprises the steps of collecting a torque value borne by a wrench body in real time, and judging whether the torque value meets a preset torque requirement, so that when a new workpiece or component is fastened at each time, the total tightening times can be accumulated from 0 again, the accuracy of counting the total tightening times is guaranteed when the fastening operation is performed at each time, and the assembly quality of a product is improved.
This embodiment judges through the torque value that real-time collection spanner body received whether the step of predetermineeing the torque requirement is satisfied to the torque value, judges whether current screwing up the dynamics of screwing up the operation to the bolt is enough. And determining that the tightening action is completed once if the torque value meets a preset torque requirement, accumulating the total tightening times of the tightening action, judging whether the accumulated total tightening times reach a set total tightening time, and judging whether the accumulated total tightening times meet a tightening specification. And outputting correct prompt information of the tightening operation if the total tightening times reach the set total tightening times, so that the current tightening operation is correct, and determining the current tightening operation error if the worker does not receive the correct prompt information of the tightening operation, so that the worker can take further measures until the correct tightening operation is reached.
Further, in an embodiment, before the step of determining whether the accumulated total tightening times reaches a set total tightening times, the method includes:
step g, judging whether the time length from the completion of the last tightening action exceeds the preset time length;
step h, if the time length from the completion of the last tightening action exceeds the preset time length, stopping the accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
In the embodiment, whether the current screwing operation of the worker is completed is judged by judging whether the time length of the last screwing action completion exceeds the preset time length. And further stopping the accumulation of the total tightening times and executing the following steps if the time length from the completion of the latest tightening action exceeds a preset time length: the step of judging whether the accumulated total tightening times reach a set total tightening times, so as to ensure that the steps are executed again when the current tightening operation of a worker is completed: and judging whether the accumulated total screwing times reach the screwing set total times or not, so that the accumulated total screwing times are prevented from being stopped when an operator screws the bolt and does not finish screwing, and the robustness of the error-proofing control method provided by the embodiment of the invention is further improved.
Further, in another embodiment, before the step of determining whether the accumulated total tightening times reaches a set total tightening time, the method further includes:
step i, judging whether an input tightening operation completion instruction is received or not;
step j, if the tightening operation completion instruction is received, stopping the accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
The implementation judges whether the current screwing operation of the worker is finished or not by judging whether the step of receiving the input screwing operation finishing instruction is received or not. And further stopping the accumulation of the total tightening times and executing: and judging whether the accumulated total tightening times reach the set total tightening times, so that the accumulation of the total tightening times is prevented from being stopped when an operator screws the bolt and does not finish the screwing, and the adaptability of the error-proofing control method provided by the embodiment of the invention is further improved.
Further, the stopping of the accumulation of the total number of tightening times, and performing: after the step of judging whether the accumulated total tightening times reach the set total tightening times, the method further includes:
and if the total tightening times do not reach the set total tightening times, outputting a tightening operation error prompt message.
In one embodiment, the tightening operation error prompt message can be output by controlling the indicator light to be red and the like and/or controlling the buzzer to give a preset alarm sound.
In the embodiment, if the total tightening frequency does not reach the total tightening setting frequency, the step of outputting the tightening operation error prompt information is performed, so that the current tightening operation error of the operator is prompted very intuitively and conveniently, and the operator can take further measures until the correct tightening operation is achieved. And then realized the automatic mistake proofing of torsion, made the operator carry out the fastening operation accurately, prevented that the phenomenon that the screw thread leaks to twist or screw thread tightening dynamics is not enough leads to the bolt-up not in place, improved the assembly quality of product.
The invention also provides a mistake-proofing control system 1000 of the wireless torque wrench.
In this embodiment, referring to fig. 3 to 5, the error-proofing control system 1000 includes a wireless torque wrench 10, a wireless receiver 20 and an error-proofing device 30, the wireless torque wrench 10 includes a wrench body 101, a torque sensor 102, a display screen 103 and a wireless transmitter 104, the torque sensor 102 is used for acquiring a torque value applied to the wrench body 101 in real time, the display screen 103 is used for displaying the torque value in real time, and the wireless transmitter 104 is used for converting the torque value into a torque digital signal and transmitting the torque digital signal to the wireless receiver 20; the wireless receiver 20 is used for converting the torque digital signal sent by the wireless transmitter 104 into torque digital information which can be identified and received by the error-proofing device 30; the error-proofing device 30 comprises a human-computer interaction module 301, a communication module 302, an analysis processing module 303 and an information prompting module 304, wherein the human-computer interaction module 301 is used for setting error-proofing control parameters, the set error-proofing control parameters are input into the analysis processing module 303, the communication module 302 is used for receiving torque digital information and inputting the torque digital information into the analysis processing module 303, the analysis processing module 303 is used for judging whether the tightening operation is correct or not according to the torque digital information and the error-proofing control parameters, and inputting a judgment result into the information prompting module 304, and the information prompting module 304 is used for outputting prompting information corresponding to the judgment result.
In the embodiment, the torque sensor 102 collects the torque applied to the wrench in real time, converts the torque value into a voltage signal, and then converts the voltage signal into a torque digital signal and sends the torque digital signal to the wireless receiver 20. The wireless torque wrench 10 of the present embodiment is configured with the wireless transmitter 104 and the wireless receiver 20 to communicate with the error-proofing device, so as to ensure that the wrench can perform wireless operation, no loss of tightening data transmission, and convenient configuration of error-proofing control parameters.
In this embodiment, the analysis processing module 303 may determine the tightening torque according to the torque digital information, and determine the torque set value according to the error-proof control parameter, and when the tightening torque does not reach the torque set value, the information prompting module 304 may send an alarm message, for example, a preset alarm sound is sent through a sound emitting device and/or a preset warning light is sent through a light emitting device, to prompt the operator that the current tightening operation is incorrect, so that the operator may take further measures until the correct tightening operation is achieved.
The error-proofing control system 1000 provided by the embodiment of the invention monitors, analyzes, records and alarms the operation sequence and the torque value in the fastening operation process based on the wireless torque wrench 10, the wireless receiver 20 and the error-proofing device 30, thereby effectively controlling the fastening operation process, avoiding the phenomenon of wrong screwing and missing screwing of threads caused by human error factors, enhancing the reliability of the fastening operation, ensuring the quality of the screwing operation, and eliminating the potential safety hazard caused by unqualified bolt fastening. Compared with the prior art, the mistake-proofing control system 1000 provided by the embodiment of the invention has the advantages of simple structure, convenience in use, more convenience for production line processing and maintenance, and mistake proofing and leak proofing functions of bolt tightening operation.
Further, the information prompt module 304 includes an indicator light and/or a buzzer.
In one embodiment, when the analysis processing module 303 determines that the current tightening operation is correct, the indicator light displays green and/or the buzzer does not sound; when the analysis processing module 303 judges that the current tightening operation is wrong, the indicator light displays red and/or the buzzer sounds an alarm. According to the embodiment of the invention, the indicator light and the buzzer enable a worker to know whether the tightening operation of the fastener in the tightening process is correct or not very intuitively and conveniently.
Further, the error-proofing control system 1000 further includes a storage module, and the communication module 302 is further configured to input the received torque digital information to the storage module for storage.
The storage module can be used for storing the wrench tightening data, the traceability of the subsequent wrench tightening data is realized, the wrench tightening data can be conveniently referred subsequently, and the position of a specific tightening operation error is positioned, so that a corresponding measure is taken subsequently, and related data reference is provided for correct tightening operation.
Further, the wireless receiver 20 further includes a power supply module.
Wherein, the power module accessible lithium cell of this embodiment supplies power, and when the lithium cell electric quantity used up, the lithium cell was changed or this lithium cell was charged to the accessible to the application efficiency of spanner has been improved.
Further, the wrench body 101 further includes a wrench base and a wrench head fitting detachably connected to the wrench base.
In this embodiment, can understand that, when the staff need tighten the bolt, need use the spanner head accessory that this bolt model corresponds to fasten, consequently, different spanner head accessories correspond the bolt of different models, and this embodiment is through designing into spanner head accessory and can dismantle with spanner local and be connected to be convenient for change spanner head subassembly, fasten with the bolt to different models. In the whole operation process, the wrench head assembly can be replaced to meet different work application requirements.
Those skilled in the art will appreciate that the configuration of error protection control system modules shown in FIG. 3 does not constitute a limitation of error protection control system 1000, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
Furthermore, an embodiment of the present invention further provides a storage medium, where a computer program is stored, and the computer program, when executed by a processor, implements the steps of the error protection control method described above.
The specific embodiment of the storage medium of the present invention is substantially the same as the embodiments of the error-proofing control method, and will not be described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and includes several instructions for causing an error protection control device to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A mistake-proofing control method of a wireless torque wrench is characterized by comprising the following steps:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value meets a preset torque requirement or not;
if the torque value meets the preset torque requirement, determining that the tightening action is completed once, and accumulating the total tightening times of the tightening action;
judging whether the accumulated total tightening times reach a set total tightening times or not;
if the total tightening times reach the set total tightening times, outputting correct tightening operation prompt information;
the real-time torque value that gathers spanner body receives, judge whether the torque value satisfies the step that predetermines the torque requirement includes before:
acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total tightening setting times, torque setting sequences and torque setting values in one-to-one correspondence with the torque setting sequences;
the real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value reaches a torque set value corresponding to a current screwing set sequence;
and determining whether the torque value meets a preset torque requirement according to a judgment result of judging whether the torque value reaches a torque set value corresponding to the current tightening set sequence.
2. The error-proofing control method according to claim 1, wherein the step of judging whether the accumulated total tightening times reaches a set total tightening times is preceded by:
judging whether the time length from the completion of the last tightening action exceeds the preset time length or not;
if the time length from the completion of the last tightening action exceeds the preset time length, stopping the accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
3. The error-proofing control method according to claim 1, wherein the step of judging whether the accumulated total tightening times reaches a set total tightening times is preceded by:
judging whether an input tightening operation completion instruction is received or not;
if the tightening operation completion instruction is received, stopping accumulation of the total tightening times, and executing: and a step of judging whether the accumulated total tightening times reach a set total tightening time.
4. The error-proofing control method according to claim 1, wherein after the step of outputting a prompt message indicating that the tightening operation is correct if the total tightening times reaches the set total tightening times, the error-proofing control method further comprises:
clearing the accumulated total tightening times, and returning to execute: and acquiring a torque value borne by the wrench body in real time, and judging whether the torque value meets a preset torque requirement.
5. The error-proofing control method according to claim 1, wherein the step of collecting the torque value applied to the wrench body in real time and determining whether the torque value meets the preset torque requirement comprises:
acquiring input error-proofing control parameters, wherein the error-proofing control parameters comprise total tightening set times and torque set values;
the real-time torque value that gathers spanner body receives, the step of judging whether the torque value satisfies predetermineeing the torque requirement includes:
acquiring a torque value borne by a wrench body in real time, and judging whether the torque value reaches a torque set value or not;
and determining whether the torque value meets a preset torque requirement or not according to a judgment result of judging whether the torque value reaches a torque set value or not.
6. A mistake proofing control system of a wireless torque wrench, wherein the mistake proofing control system is applied to the mistake proofing control method of any one of claims 1 to 5, and the mistake proofing control system comprises:
the wireless torque wrench comprises a wrench body, a torque sensor, a display screen and a wireless transmitter, wherein the torque sensor is used for acquiring a torque value borne by the wrench body in real time, the display screen is used for displaying the torque value in real time, and the wireless transmitter is used for converting the torque value into a torque digital signal and transmitting the torque digital signal to a wireless receiver;
a wireless receiver for converting the torque digital signal sent by the wireless transmitter into torque digital information recognizable and receivable by an error-proofing device;
error proofing equipment, error proofing equipment includes man-machine interaction module, communication module, analysis processing module and information prompt module, man-machine interaction module is used for carrying out error proofing control parameter's setting, and will set up after error proofing control parameter inputs extremely analysis processing module communication module is used for receiving moment of torsion digital information, and input extremely analysis processing module, analysis processing module is used for the basis moment of torsion digital information with error proofing control parameter judges whether the operation of screwing up is correct, and with the judgement result input extremely information prompt module, information prompt module is used for exporting the prompt message that the judgement result corresponds.
7. The error-proofing control system of claim 6, wherein the information prompting module comprises an indicator light and/or a buzzer.
8. An error protection control device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the error protection control method according to any one of claims 1 to 5.
9. A storage medium, characterized in that the storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the error-protection control method according to any one of claims 1 to 5.
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| KR101225424B1 (en) * | 2009-09-28 | 2013-01-22 | 현대제철 주식회사 | Apparatus for control output torque of torque wrench |
| CN104339316B (en) * | 2013-08-05 | 2016-09-07 | 上海日野发动机有限公司 | Error prevention device and method and fail-safe system |
| CN105033921B (en) * | 2015-07-06 | 2017-09-29 | 中国第一汽车股份有限公司 | The method for preventing bolt leakage from tightening |
| CN105458686B (en) * | 2016-02-04 | 2018-04-03 | 上海海事大学 | A kind of error prevention device and its error-preventing method |
| CN206952512U (en) * | 2017-07-03 | 2018-02-02 | 江铃汽车股份有限公司 | Engine tightens fail-safe system |
| CN110549290B (en) * | 2019-09-27 | 2022-02-15 | 山东中车同力达智能装备有限公司 | Intelligent digital display torque wrench circuit control system and control method |
| CN112051815B (en) * | 2020-08-31 | 2021-09-28 | 安徽江淮汽车集团股份有限公司 | Assembly line tightening operation monitoring method, device, equipment and storage medium |
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