CN207528563U - Tension testing equipment and tension testing system - Google Patents

Abstract

The utility model relates to a tension detection device and a tension detection system, which can be used to perform tension detection on retractable products. Based on the characteristics of retractable products, the tension detection device can perform reciprocating stretching detection on retractable products. The process of the reciprocating stretching detection can be specifically divided into a stretching stroke stage and a contraction stroke stage. The tension detection device is arranged to drive a first clamping device and a second clamping device through a gear belt meshing with a guide rail module gear, which can realize precise control of the tension value, stretching speed and stretching stroke of the reciprocating stretching detection. Furthermore, the tension detection system realizes data collection of the tension detection device by setting a data acquisition unit and a storage unit, and provides reference data for subsequent product testing based on a parameter comparison database.

Description

Tension testing equipment and tension testing system

【Technical field】

The utility model relates to the technical field of detection equipment, in particular to a tension detection device and a detection system thereof.

【Background technique】

As consumers have higher and higher requirements for product quality, more and more attention has been paid to the detection of product durability and service life. The testing of product durability mainly includes bending swing test, plugging life test, thermometer damp heat test and tensile test. Among them, the tensile test is generally carried out by a tensile machine. The existing tensile machine is mainly used for tensile testing of metal, rubber, plastic, textile, paper, leather and other materials. The product to be tested is hung on the tensile testing machine and fixed, and a 5kg weight is suspended at the end, and the hover lasts for a certain period of time. , Observe whether the appearance of the data line is obviously defective, whether the wiring head is loose, and check whether there is any function and contact problem of the interface.

This kind of tensile machine is difficult to accurately detect the tensile force of the product to be tested with a telescopic structure and the life of the tensile structure, such as telescopic data cables, telescopic earphones, telescopic car chargers, telescopic tape measures, telescopic mobile energy or telescopic storage devices, etc. The current method is to use manual testing for sensory testing. There are no standardized parameters, no data as a comparison for certification, no testing results can be used as scientific data basis, no scientific confirmation of whether the product meets the standard, no raw material quality rating, no product evaluation Quality control. Therefore, it is urgent to provide a technical solution for testing scalable products.

【Content of utility model】

In order to overcome the current problem that stretchable products cannot be accurately tested, the utility model provides a tension detection device and a tension detection system that can accurately detect the tension of stretchable products.

The utility model provides a technical solution for solving the above-mentioned technical problems: a tension detection device, which is used to perform tension detection on a stretchable product to be tested, which includes a first clamping device, a second clamping device, and at least one guide rail module and a drive assembly, the first clamping device and the second clamping device are respectively connected to the guide rail module to respectively clamp the two ends of the product to be tested, and the guide rail module is driven by the The components are driven and moved to drive the first clamping device and the second clamping device to slide relative to each other or towards each other, so as to implement reciprocating tensile testing on the product to be tested.

Preferably, a tension sensor is provided on the first clamping device and/or the second clamping device, so as to detect the tension of the product to be tested.

Preferably, the guide rail module is a two-way slide rail.

Preferably, the guide rail module includes a first guide rail module and a second guide rail module, the gear set includes a first gear set and a second gear set, and the first guide rail module and the second guide rail module Gear belts matching the first gear set and the second gear set are respectively provided on the gear sets, and the first gear set and the second gear set produce gear meshing action with the gear belts, Driving the first clamping device and the second clamping device respectively connected to the first guide rail module and the second guide rail module to slide relative to each other or towards each other.

Preferably, both the first clamping device and the second clamping device include fixtures for placing the product to be tested, and the fixtures can be combined with the first clamping device and the second clamping device. Device separation settings.

The utility model provides another technical solution for solving the above technical problems: a tension detection system, which includes: a data acquisition unit and a storage unit, wherein the data acquisition unit is used for real-time acquisition as described in claims 1-5 The detection data in the tension detection equipment; the storage unit is used to store the preset parameters of the tension detection equipment for tension detection and the detection data, and form a parameter comparison database to provide reference data for subsequent product tension detection.

Preferably, the tension detection system includes an analysis unit, the analysis unit is used to compare and analyze the detection data and preset parameters and obtain the analysis results of the stretchable product to be tested, based on the analysis results, the stretchable product to be tested The performance is evaluated; wherein, the detection data includes the variation of the tension value and the variation of the tensile displacement.

Preferably, the storage unit is also used to store the analysis results, and the parameter comparison database includes real-time parameters and historical parameters.

Preferably, the tension detection system further includes a control unit, and the control unit further includes a custom module and an analysis data module; the custom module can be used for user-defined preset parameters, and the preset parameters are output to the Tension detection equipment: the analysis data module can be used to output the analysis results output by the analysis unit to the tension detection equipment.

Preferably, the analysis unit further includes a comparison module, which is used for comparative analysis of the test data of the stretchable product to be tested obtained under different preset parameters, so as to obtain the test data of the same product under different tension test conditions. Test data.

Compared with the prior art, the tension detection equipment and tension detection system provided by the utility model have the following advantages:

The tension detection equipment provided by the utility model can realize the tension detection of stretchable products. Different from the unidirectional stretching in the existing tensile testing machines for metal, rubber or plastic, the tensile testing equipment is based on the characteristics of the stretchable product, which includes two sliding parts that can be driven by the guide rail module The first clamping device and the second clamping device, the first clamping device and the second clamping device respectively clamp the two ends of the product to be tested, which can simulate the stretching action of the human hand and realize the stretchable product Reciprocating stretch. It can further avoid the problem that the tensile value of the product under test changes too much in the compression stroke due to the retraction force of the product under test itself during the reciprocating stretching test process, so that the test can be more accurately realized. Product tension testing.

The utility model further provides a tension detection system, which is performed on the basis of the preset parameters and detection data of the tension detection equipment. The tension detection system includes a data acquisition unit and a storage unit, and the storage unit can form a parameter comparison database with the preset parameters of the tension detection equipment for tension detection and the detection data. In the present invention, the establishment of the parameter comparison database can provide basic parameters for subsequent products of the same kind, thereby providing reference values for subsequent testing of products to be tested. Furthermore, through the collection and analysis of data during the tensile testing process, it is possible to implement tensile testing experiments for different types of products or different testing conditions for the same type of product, and realize multi-functional integrated tensile testing.

【Description of drawings】

Fig. 1 is a schematic structural diagram of the tension detection device provided by the first embodiment of the present invention.

Figure 2 is a schematic structural view of one of the products to be tested.

Fig. 3 is a structural schematic diagram of the guide rail module and the holding device in the main body of the device shown in Fig. 1 .

FIG. 4A is a schematic perspective view of the first clamp shown in FIG. 3 .

FIG. 4B is a schematic perspective view of another angle of the first jig shown in FIG. 4A .

FIG. 5 is an enlarged schematic diagram of point A in FIG. 3 .

FIG. 6 is a schematic partial cross-sectional view of the tension detection device shown in FIG. 1 .

FIG. 7 is a schematic perspective view of another angle of the tension detection device shown in FIG. 1 .

FIG. 8 is a schematic diagram of bidirectional clamping of the retractable product by the first clamp and the second clamp shown at B in FIG. 7 .

FIG. 9 is a schematic diagram of the first clamp and the second clamp shown at B in FIG. 7 clamping the retractable product in one direction.

Fig. 10 is a schematic block diagram of the tension detection system provided by the second embodiment of the present invention.

Fig. 11 is a schematic diagram of specific modules of the analysis unit and the control unit shown in Fig. 10 .

【Detailed ways】

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to FIG. 1 , the first embodiment of the present invention provides a tension testing device 100 for performing a tension testing experiment on a product to be tested. The tension detection device 100 includes a device main body 10, a control assembly 20 and a power supply assembly 30, wherein the power supply assembly 30 is used to provide electrical energy for the equipment main body 10 and the control assembly 20, and the control assembly 20 uses It is used to control the device body 10 and collect detection data generated by the device body 10 .

The device main body 10 further includes at least one rail module, a first clamping device 11 and a second clamping device 12, wherein the first clamping device 11 and the second clamping device 12 are respectively connected to the above the rail module. Preferably, the guide rail module is a two-way slide rail.

In some preferred embodiments of the present invention, the guide rail module further includes the first guide rail module 101 and the second guide rail module 102 . Wherein, the first clamping device 11 can slide along the first guide rail module 101 , and the second clamping device 12 can slide along the second guide rail module 102 . In some special embodiments of the present utility model, the first guide rail module 101 and the second guide rail module 102 can be the same guide rail module.

Wherein, as shown in Figure 2, in the utility model, the product to be tested is preferably a retractable product, and the retractable product includes a retractable data cable, a retractable earphone, a retractable car charger, a retractable tape measure, a retractable mobile power supply, Telescopic storage devices and other products with telescopic storage structures. The stretchable products listed above are only examples, and are not intended to limit the stretchable products in the present invention. Wherein, in the retractable product, the structure that plays a telescopic role can be a spring telescopic structure, a gear telescopic structure, etc., and this is only for illustration, not as a limitation of the present invention.

Specifically as shown in FIG. 2 , in the present invention, taking the telescopic data cable 800 as an example, the telescopic data cable 800 includes an input port 801 , an output port 802 and a storage member 803 . Wherein, the input port 801 and the output port 802 are retractable parts. Furthermore, the telescopic data cable further includes an electric wire 809 connecting the input port 801 and the output port 802, the electric wire 801 is wound on a coil spring 808, and the coil spring 808 is accommodated in the Inside the storage part 803. When the stretchable product 800 is stretched, the coil spring 808 is also stretched and deformed, and when the stretching force of the stretchable product 800 decreases or disappears, the coil spring 808 The spring provides a pulling force for the retractable data cable to restore the original state. During the process of being stretched, the telescopic data cable 800 can be divided into multiple gears according to different stretching distances. The stretching degree of the telescopic data cable 800 is related to the length and thickness of the coil spring 808 . Different types of coil springs 808 can be applied to retractable products of different lengths. In another embodiment of the present utility model, the stretchable product may also include other types of spring elements or elastic pieces.

Please refer to FIG. 3 , the device main body 10 further includes a driving assembly 13. In the present invention, the guide rail module is driven and moved by the driving assembly 13 to drive the first clamping device 11 and the The second clamping device 12 slides relative or towards each other, so as to implement reciprocating tensile testing on the product to be tested.

Continue as shown in FIG. 3, the first clamping device 11 may further include a first clamp 111 and a first holder 112, and correspondingly, the second clamping device 12 further includes a second clamp 211 and a second The holder 122 , in the present invention, the first holder 112 is connected with the first clamp 111 . Both the second holder 122 and the second clamp 121 can be connected by means of threaded connection, snap connection, etc., and the first holder 112 and the second holder 122 are used to connect the The first clamp 111 and the second clamp 121 are connected on the first guide rail module 101 and the second guide rail module 102 . The first clamp 111 and the second clamp 121 can be used to respectively clamp two ends of the stretchable product. With the movement of the first guide rail module 101 and the second guide rail module 102, the first clamp 111 and the second clamp 121 can shrink or stretch the two ends of the retractable product, so that Realize the tension detection of stretchable products.

It should be noted that the two ends of the clamping stretchable product mentioned here and in the following content of the present invention can be divided into at least the following two situations: the two ends of the above-mentioned clamping stretchable product are respectively The input port 801 and the output port 802; or the retractable part composed of the input port 801 and the output port 802 at one end of the above-mentioned clamping retractable product, and the storage part 803 at the other end.

As shown in Figure 4A, the first fixture 111 may further include a fixing platform 1111, a threaded clamping structure 1113 and a fixing structure 1114, wherein the fixing platform 1111 has two main surfaces, one of which is aligned with the first The holder 112 is connected, and the opposite surface is provided with the thread clamping structure 1113 and the fixing structure 1114 , wherein the thread clamping structure 1113 is matched with the fixing structure 1114 . The fixed structure 1114 can be used to clamp the end of the stretchable product, such as when the stretchable product is a stretchable data line, the fixed structure 1114 clamps the input end and the output end of the data line; When the retractable product is a retractable earphone, the fixing structure 1114 can hold the input end and the output end of the retractable earphone respectively. The screw clamping structure 1113 can better fix the stretchable product in the fixing structure 1114 .

In some special embodiments of the present utility model, the first clamping device 11 and the second clamping device 12 both include a jig (not shown) for placing the product to be tested, and the jig can be It is set separately from the first clamping device 11 and the second clamping device 12 . The jig can be placed in the fixing structure 1114, and the fixing structure 1114 is used to clamp and fix the jig.

As shown in FIG. 4B , in order to obtain a better tension detection result, a tension sensor 1112 is provided at least on the side of the first clamp 111 in contact with the second holder 112, which can transmit the moving physical displacement signal and The tension value signal is converted into a measurable electrical signal and output to the control component 20 for processing related data. Preferably, the tension sensor 1112 can be an S-type tension sensor, a ring tension sensor, and the like. As shown in FIG. 4B , the tension sensor 1112 is an S-type tension sensor.

Please continue to refer to FIG. 3 , FIG. 5 and FIG. 6 , in the present invention, a driving assembly 13 is disposed between the first guide rail module 101 and the second guide rail module 102 . The driving assembly 13 can further include a first gear set 131 and a second gear set 132 , and the first gear set 131 and the second gear set 132 can be respectively driven by the power supply assembly 90 . Preferably, the power supply assembly 90 includes a driving machine (not shown). Preferably, the driving machine can be directly geared with the first gear set 131 and the second gear set 132 or driven by a conveyor belt (not shown). Preferably, the control assembly 20 is used to control the driving of the power supply assembly 30 , specifically, the control assembly 20 can control the operating speeds of the first gear set 131 and the second gear set 132 .

The first guide rail module 101 and the second guide rail module 102 are provided with gear belts (not shown) matching the first gear set 131 and the second gear set 132 respectively. A gear set 131 and the second gear set 132 produce a gear meshing effect with the gear belt, so that the first guide rail module 101 and the second guide rail module 102 are respectively connected to each other. The clamping device 11 and the second clamping device 12 are relatively or slide towards each other.

Preferably, in order to obtain a better tension detection effect, artificial tension state is simulated, and the tension value and The stretching speed is consistent. Through the use of the first gear set 131 and the second gear set 132, it can ensure that the stretching speed of the stretchable product is more controllable in the stretching stroke and compression stroke of the tension detection.

As shown in FIG. 6, the power supply assembly 90 further includes a geared motor 91, and the geared motor 91 can be used to drive the first gear set 131 and the second gear set 132 and set in the first The speed of gear meshing between the guide rail module 101 and the gear belt on the second guide rail module 102 is controlled, so as to realize precise control of tension detection.

In order to more accurately detect the tensile displacement during the tension detection process, preferably, sensors are provided on the gear belts of the first guide rail module 101 and the second guide rail module 102 for the first The tensile displacement of the first clamping device 11 and the second clamping device 12 are monitored.

Please continue to refer to Fig. 7, Fig. 8 and Fig. 9. The tension detection device 100 provided by the utility model can be used to perform reciprocating tension detection on retractable products, such as telescopic data cables, telescopic earphones, telescopic car chargers, telescopic Products with telescopic storage structures such as tape measures, telescopic mobile power supplies, and telescopic storage devices are tested for reciprocating tension.

In order to obtain better tensile test results, the displacement speed of the tensile test can be controlled between 100 mm/min and 5000 mm/min, and the error range of the displacement speed can be controlled within ±1%.

Specifically, in view of the characteristics of stretchable products, the process of a reciprocating stretch detection in the tension detection process of the tension detection device 100 can be at least divided into the following two stages:

Stretching stroke stage: the power supply assembly 30 drives the first gear set 131 and the second gear set 132 to simultaneously drive the first guide rail module 101 and the second guide rail module 102 The first clamping device 11 moves away from the second clamping device 12 to stretch the stretchable product. Before the stretchable product stretches to its maximum stretchable length, the stretchable product gradually stretches after being stressed. At this time, the coil spring 808 receives the stretching force and deforms, changing from the curled state to the stretched state. Further, when the stretchable product is stretched to its maximum length, the stretchable product is stressed and deformed; in a modified example, only the first clamping device 11 or the second Any one of the two clamping devices 12 runs relative to the other stationary second clamping device 12 or the second clamping device 11,

Shrink stroke stage: when the stretchable product is stretched to its maximum length, it will be further shrunk. During the shrinking process, the first clamping device 11 and the second clamping device 12 can be the The retractable product only provides the force to keep its two ends sliding along the direction of the first guide rail module 101 and the second guide rail module 102, and the contraction force of the retractable product is mainly the coil spring 808, the pulling force further makes the first clamping device 11 and the second clamping device 12 run in opposite directions. When the coil spring 808 shrinks to the initial unstretched state, a reciprocating stretch detection is completed. Specifically, during the process of the first clamping device 11 and the second clamping device 12 running in opposite directions, the first clamping device 11 and the second clamping device 12 can run simultaneously or move together. The other remained motionless.

In the actual tension testing process, multiple reciprocating stretching tests need to be performed on the stretchable product to judge the durability of the coil spring 808 in the stretchable product, the stretching deformation of the stretchable product, and the like. Wherein, the durability of the coil spring 808 can be comprehensively evaluated based on the number of reciprocating stretches, the degree of reciprocating stretch retention, and the like.

Before the reciprocating stretching test, preset parameters can also be input for different stretchable products, wherein the preset parameters can be set according to the characteristics of the stretchable product through the control component 20, which can be set based on empirical values or perform data matching setting based on the database of the control component 20.

During the reciprocating stretch detection process, the detection data obtained by the tension sensor 1112 is collected, processed and analyzed by the control component 20 . The control component 20 can analyze the preset parameters and test data to evaluate the durability of the stretchable product.

Preferably, in the present utility model, the stretching stroke formed by the first guide rail module 101 and the second guide rail module 102 is 80mm-200mm, and the shrinking stroke is also 80mm-200mm.

Furthermore, as shown in FIG. 8, in a specific embodiment of the present invention: when the stretchable product is a stretchable data line 800 to be tested, the stretchable data line 800 to be tested has a data output end 801, a data input end 802 and a storage piece 803 arranged between them. Wherein, the data output end 801 is fixed in the first holding device 11, the data output end 802 is fixed in the second holding device 12, and the control component 20 controls the power supply component 30 so that the The first guide rail module 101 and the second guide rail module 102 respectively drive the first holding device 11 and the second holding device 12 to move in opposite directions synchronously, and the retractable data line 900 to be tested Under the bidirectional tensile force, the data line gradually changes from the stretched state to the stretched state.

During the stretch detection process, the moving speeds of the first holding device 11 and the second holding device 12 can be adjusted according to the actual state of the stretchable data line 800 to be tested, thereby further improving data detection. the accuracy.

In another specific embodiment, the tension detection device 100 is also used to perform a corresponding tension detection experiment on the retractable data cable or the retractable charging cable.

As shown in Fig. 9, in another specific embodiment of the present invention: it is different from the tension detection device 100 described in Fig. 1 above in that it fixes the data output end 801 and the data input end 802 at the same time In the first holding device 11 , the storage piece 803 is fixed in the second holding device 12 , and the above-mentioned process is used for detection.

Please continue to refer to FIG. 10. In the second embodiment of the present utility model, a tension detection system 900 based on the tension detection device 100 described above is provided. The tension detection system 900 includes a touch screen 901, a data acquisition unit 902, a storage unit 903, and an analysis unit. 904 and the control unit 905.

Specifically, the touch screen 901 can be used to display the detection data to the user and provide an input port for the user to set the value. Through the setting of the touch screen 901, the tension value, stretching speed, stretching stroke and stretching distance of the stretching force can be detected by the setting of the touch screen 901. Numerical changes such as extension displacement can be visualized and displayed in real time.

The data collection unit 902 can be used to collect detection data in the device main body 100 in real time, and output the detection data to the storage unit 903 . The detection data includes the variation of the tension value and the variation of the tensile displacement.

The storage unit 903 can be used to store preset parameters, detection data of the data acquisition unit 902 and analysis results of the analysis unit 904 to form a parameter comparison database. Wherein, the parameter comparison database includes real-time parameters and historical parameters, wherein the real-time parameters refer to preset parameters, real-time detection data, and analysis results during the ongoing tension detection process. In contrast, the historical parameters refer to the preset parameters, detection data and analysis results of the completed pulling force detection stored in the parameter comparison database. Preferably, in the utility model, the preset parameters include the tension value, the stretching speed and the stretching stroke during the tension detection process. In particular, the preset parameters can be understood as tension detection conditions. In the present invention, the establishment of the parameter comparison database can provide reference data for subsequent product pull testing.

The analysis unit 904 can be used to analyze preset parameters and test data to obtain analysis results of the scalable product to be tested, and can further evaluate the performance of the scalable product to be tested based on the analysis results. In some specific embodiments of the present utility model, preset parameters and detection data can be retrieved from the storage unit 903 for analysis, and the analysis results can be fed back to the touch screen 901 in real time, so that the analysis results can be passed through the touch screen 901. The visual display is convenient for users to know the performance evaluation results of the scalable product under test in a timely manner. At the same time, the analysis unit can store the analysis results in the storage unit 903 and output them to the control unit 905 .

By analyzing the detection data and preset parameters, the performance of the scalable product to be tested can be evaluated based on the analysis results. Specifically, based on the analysis results, it can be known that under a certain preset parameter condition, the test data of the stretchable product to be tested is tested for tension: as in a special embodiment, the preset parameters include the initial tension value, the initial The stretching speed is set, and the detection data such as the variation of the tension value and the variation of the stretching displacement can be obtained through the tension sensor 1112 and the reading scale of the system during the tension detection process. According to the analysis of the size relationship between the preset parameters of the analysis and the detection data, the corresponding analysis results can be obtained, and the analysis results can include, for example, the estimated analysis of the number of times of reciprocating stretching.

The corresponding detection data and analysis results under a certain preset parameter are stored in the storage unit 903, and the real-time parameters and historical parameters in the database are compared based on the parameters of the storage unit 903. The results of the tensile testing experiment of the stretchable product to be tested are different under different stretching speeds, so that the testing data obtained under different preset parameters can be compared and analyzed to achieve diversified testing and improve the accuracy of tensile testing.

The control unit 905 can control the tension detection device 100 in the first embodiment of the present invention based on the analysis result output by the analysis unit 904 . Specifically, the control unit 905 sets specific preset parameters such as the upper and lower limits of the tension value, the stretching stroke, and the stretching speed. Furthermore, according to the length of the data line of different retractable products, the size of the stretching stroke can be set, so that the tension detection system 900 can be applied to retractable products of different lengths, sizes and models, and can be used for multiple products The pull test is in progress.

Please refer to Fig. 11, in some preferred embodiments of the present utility model, the analysis unit 904 further includes a comparison module 9041, and the comparison module 9041 is used to compare the stretchable products to be tested obtained under different preset parameters The test data are compared and analyzed to obtain the test data of the same product under different tensile test conditions.

In some special embodiments of the present utility model, the analysis unit 904 may further include a length estimation module 9042, and the length estimation module 9042 may be used to compare the parameters in the database during the tension detection process. Real-time data and historical data are used to estimate the stretching stroke of the stretchable product to be tested. Specifically, during the process of gradually extending the stretchable product to the maximum length after being stressed, the stretching displacement gradually changes, and the length estimation module 9042 can compare the ratio between the displacement and the stretching speed in different stages, so that The corresponding feasible stroke analysis results can be output to the control unit 905 .

The analysis unit 904 also includes a state judgment module (not shown in the figure),

The state judging module is used to judge the stretching state of the product to be tested according to preset parameters and real-time detection data, and output the state judgment result to the control unit. The stretching state is divided into multiple states based on the reciprocating stretching stroke .

The control unit 905 sends a drive signal to the power supply assembly in combination with the state judgment result and the stroke analysis result, so as to control the tension value, stretching speed and stretching stroke during the stretching force detection process.

Please continue to refer to FIG. 11 , in some preferred embodiments of the present invention, the control unit 905 further includes a custom module 9051 and a data analysis module 9052 . Specifically, the customization module 9051 can be used to customize preset parameters, and output the preset parameters to the drive controller 9053 to control the tension detection device 100 . The user-defined preset parameters may be user-defined preset parameters, or parameters obtained based on comparing the parameters with historical parameters in the database.

Furthermore, the analysis data module 9052 can be used to output the analysis results output by the analysis unit 904 to the tension detection device 100 .

Please refer to Fig. 10, in some preferred embodiments of the present invention,

The tension detection system 900 also includes a data output unit 906, which can be used to export the real-time parameters and historical parameters in the parameter comparison database. Specifically, the data can be exported through a data transmission interface such as a USB interface.

In some preferred embodiments of the present utility model, the tension detection system 900 may further include an alarm unit (not shown in the figure), and the alarm unit may be used to start an alarm and The shutdown function avoids further damage to the tension detection device 100 . When the alarm unit is activated, the relevant data is automatically stored in the storage unit 903, and the relevant data can also be exported through the data output unit 906, so as to avoid the accident caused by the sudden stop of the pulling force detection device 100. loss of data.

The tension detection system 900 can be used to collect and archive detection data, record stretch length, tension, frequency and other performance indicators for comparison, and can further detect different types of retractable products by replacing fixtures to achieve multi-function Integrated detection.

In the utility model, by fixing the two ends of the retractable product respectively, and performing an action imitating human hand stretching, the relative movement of the connecting line in the retractable product relative to the receiving part 903 is realized, and the first clamp located 111 and/or the tension sensor and speed detection device on the second clamp 121,

The above-mentioned data collection unit 902 can collect the relevant data of the tension value, stretching speed, stretching stroke and its changes in the tension detection process, and after passing through the storage unit 903, enter the analysis unit 904 for calculation, and obtain the available The stretching length, reciprocating stretching times and other indicators of stretchable products.

In the present utility model, the user can also understand the analysis results of the analysis unit 904 in real time through the touch screen, and the user can also input the tension detection value to the control unit 905 through the touch screen, thereby effectively controlling the tension detection experimental process .

In the utility model, the real-time understanding of the tensile force detection of the stretchable product can be realized by obtaining the state judgment result and the stroke analysis result, and based on the actual stretching state and the stretching stroke analysis, the pulling force detection efficiency of the stretchable product can be improved. The detection accuracy has been effectively improved.

In the tension detection system provided by the utility model, relevant data can be collected and stored as a parameter comparison database according to different tension changes in the product to be tested, so the stretching stroke, tension value, stretching speed and stretching speed can be recorded. Displacement and other indicators can be compared, and tension testing can be further performed on different types of products by changing fixtures to achieve multi-functional integrated testing.

Compared with the prior art, the tension detection device and the tension detection system provided by the utility model have the following beneficial effects:

(1) The tension detection equipment provided by the utility model can realize the tension detection of stretchable products. Different from the unidirectional stretching in the existing tensile testing machines for metal, rubber or plastic, the tensile testing equipment is based on the characteristics of the stretchable product, which includes two sliding parts that can be driven by the guide rail module The first clamping device and the second clamping device, the first clamping device and the second clamping device respectively clamp the two ends of the product to be tested, which can simulate the stretching action of the human hand and realize the stretchable product Reciprocating stretch. It can further avoid the problem that the tensile value of the product under test changes too much in the compression stroke due to the retraction force of the product under test itself during the reciprocating stretching test process, so that the test can be more accurately realized. Product tension testing.

(2) In the tension detection device, the first clamping device and the second clamping device are provided with tension sensors, and the tension sensors can detect the tension value of the product to be tested, thereby realizing the tension detection of the product to be tested .

(3) In the utility model, the guide rail module can be a two-way slide rail,

To simulate the operation of artificial stretching. Furthermore, the guide rail module can be further subdivided into the first guide rail module and the second guide rail module, and a first gear set and a second gear set are arranged between them, through the first guide rail module The gear meshing relationship between the gear belt on the first guide rail module and the second guide rail module and the first gear set and the second gear set can drive the first holding device and the second holding device connected to the two guide rail modules. The device moves. Driving through the meshing action of the gears can ensure the stability of the tension value, thereby further realizing the tension detection of the retractable product.

(4) The tension detection device further includes a control assembly and a power supply assembly, which can be used to control the movement of the first gear set and/or the second gear set and provide them with electrical energy.

(5) In the utility model, the jig used to place the product to be tested can be set separately from the first clamping device and the second clamping device, so that different types of retractable products can be tested, and multiple Functional integration testing. For example, the test of stretchable products such as stretchable data cables and stretchable earphones can be realized through the replacement of fixtures.

(6) The utility model further provides a tension detection system, which is performed on the basis of the preset parameters and detection data of the tension detection equipment. The tension detection system includes a data acquisition unit and a storage unit, and the storage unit can form a parameter comparison database with the preset parameters of the tension detection equipment for tension detection and the detection data. In the present invention, the establishment of the parameter comparison database can provide basic parameters for subsequent products of the same type, thereby providing reference values for the subsequent detection of the pulling force of products to be tested. Furthermore, through the collection and analysis of data during the pull test process, it is possible to realize pull test experiments for different types of products or different test conditions for the same type of product, and realize multi-functional integrated pull tests.

(7) The tension detection system also includes an analysis unit, based on the analysis unit, the preset parameters and detection data of the tension detection equipment can be analyzed, and the analysis unit is used to perform preset parameters and detection data Analyze and obtain the analysis results of the scalable product to be tested, and evaluate the performance of the scalable product to be tested based on the analysis results. Based on the analysis results, a more accurate pull test can be performed, and the Performance is assessed against standards.

(8) The control unit can drive the drive assembly of the tension detection device based on the analysis results, so as to realize the automatic driving of the tension detection device, so as to improve the accuracy of the reciprocating tension detection of the product to be tested. In the process of completing each reciprocating tensile test and the tensile test experiment of a stretchable product, all the data will be stored in the parameter comparison database, which facilitates big data analysis of the stretchable product, so as to provide Follow-up product design, research and development and testing provide judgment standards and basis.

(9) In the utility model, the analysis unit further includes a length estimation module, and the above two modules are further limited, so that the pulling force of the stretchable product can be determined by obtaining the stretching length analysis result based on the detection data. The real-time understanding of the detection, based on the actual stretching state and stretching stroke analysis, can effectively improve the tension detection efficiency and detection accuracy of stretchable products.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification made within the principles of the utility model, equivalent replacement and improvement, etc. should include the protection of the utility model. within range.

Claims (10)

1. a kind of pull force calculation equipment, for carrying out pull force calculation to scalable product to be measured, it is characterised in that：It includes One clamping device, at least the second clamping device, a guide rail module and drive component, first clamping device and the described second folder It holds device to be connected on the guide rail module, to clamp the both ends of product to be measured respectively, the guide rail module is by described Drive component drives and moves, opposite or opposite sliding first clamping device and second clamping device to be driven to carry out It is dynamic, reciprocal stretching detection is carried out to the product to be measured to realize.

2. pull force calculation equipment as described in the appended claim 1, it is characterised in that：First clamping device and/or described second Clamping device is equipped with pulling force sensor, to realize the pull force calculation of product to be measured.

3. pull force calculation equipment as described in the appended claim 1, it is characterised in that：The guide rail module is bidirectional sliding rail.

4. pull force calculation equipment as described in the appended claim 1, it is characterised in that：The guide rail module include the first guide rail module with Second guide rail module, the driving component include first gear group and second gear group, the first guide rail module and described the It is respectively equipped on two guide rail modules and the first gear group and the matched gear band of second gear group, the first gear Group and the second gear group are connected to described first by generating gear engagement, driving between the gear band Guide rail module is carried out opposite or is slid in opposition with the first clamping device on the second guide rail module and the second clamping device.

5. the pull force calculation equipment as described in any one of claim 1-4, it is characterised in that：First clamping device and described Second clamping device includes placing the jig of product to be measured, and the jig can be with first clamping device and described the Two clamping devices are separately positioned.

6. a kind of pull force calculation system, it is characterised in that：It includes：Data acquisition unit and storage unit, wherein, the data Collecting unit is for detection data in acquisition in real time as described in the appended claim 1 pull force calculation equipment；The storage unit is used for It stores the pull force calculation equipment and carries out the parameter preset of pull force calculation and the detection data, form parameter comparison data library, To provide reference data for subsequent product pull force calculation.

7. pull force calculation system as recited in claim 6, it is characterised in that：The pull force calculation system includes analytic unit, The analytic unit is used to compare and analyze detection data and parameter preset and obtains the analysis of scalable product to be measured As a result, the performance of scalable product to be measured is assessed based on analysis result；Wherein, the detection data includes value of thrust Variable quantity and stretching displacement variable quantity.

8. pull force calculation system as recited in claim 7, it is characterised in that：The storage unit is additionally operable to store the analysis As a result, the parameter comparison data library includes real-time parameter and history parameters.

9. pull force calculation system as recited in claim 7, it is characterised in that：The pull force calculation system further comprises controlling Unit, described control unit further comprise custom block and analysis data module；The custom block can be used for user Self-defined parameter preset, and parameter preset is exported to the pull force calculation equipment；The analysis data module is used for by described in The analysis result of analytic unit output is exported to the pull force calculation equipment.

10. the pull force calculation system as described in any one of claim 7-9, it is characterised in that：The analytic unit further wraps Include contrast module, the contrast module be used for the detection data of scalable product to be measured obtained under different parameter presets into Row comparative analysis, to obtain detection data of the identical product under the conditions of different pull force calculations.