A fiber cord dynamic performance testing method and testing equipment

Abstract

The present invention discloses a method and equipment for testing the dynamic performance of a fiber cord, and relates to the technical field of fiber cord testing equipment design, including a fiber cord testing body, a temperature control testing unit and a fiber cord detection fixing unit. The four corners of the lower surface of the fiber cord testing body are respectively fixedly connected to a supporting leg, and the left surface of the fiber cord testing body is fixedly connected to a control panel. The fiber cord testing body is provided with a temperature control testing unit. The fiber cord detection fixing unit includes a control exciter, a connecting fixing rod, a supporting top rod, a dynamic force sensor, a connecting ring 2 and a clamping assembly. The dynamic performance of the fiber cord is detected more accurately without affecting the use of the fiber cord. During the test, it is more convenient to fix the fiber cord, and it is more convenient to adjust the temperature in the device without affecting the test use.

Description

Technical Field

[0001] The invention relates to the technical field of fiber cord testing equipment design, in particular to a fiber cord dynamic performance testing method and testing equipment. Background Art

[0002] Fiber cord (including polyester, nylon, aramid, rayon, aramid nylon blended and other types) is an important skeleton material for radial tires and plays a very important role in tire use. Its performance largely determines the performance and service life of the tire. During the use of the tire, the modulus and heat generation of the fiber cord at different temperatures are constantly changing. It is very important to predict the heat generation, modulus and changing trends of the fiber cord at different temperatures in advance. In order to better understand the performance of the fiber cord, a fiber cord dynamic performance test method and test equipment are needed.

[0003] The existing fiber cord dynamic performance testing equipment cannot accurately detect the dynamic performance of the fiber cord, which affects the use of the fiber cord. During the test, it is inconvenient to fix the fiber cord and it is inconvenient to adjust the temperature in the device, which affects the test use. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a fiber cord dynamic performance testing device, which can accurately detect the dynamic performance of the fiber cord without affecting the use of the fiber cord. During the test, it is more convenient to fix the fiber cord and it is more convenient to adjust the temperature in the device without affecting the test use. It can effectively solve the problems in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: a fiber cord dynamic performance testing device, comprising a fiber cord testing body, a temperature control testing unit and a fiber cord detection fixing unit;

[0006] Fiber cord test body: a support leg is fixedly connected to each of the four corners of the lower surface, the left surface of the fiber cord test body is fixedly connected to the control panel, and a temperature control test unit is arranged in the fiber cord test body;

[0007] Fiber cord detection fixing unit: includes a control exciter, a connecting and fixing rod, a supporting top rod, a dynamic force sensor, a connecting ring 2 and a clamping assembly, the inner bottom end surface of the fiber cord test body is fixedly connected to four rectangular array limit blocks, the inner bottom end surface of the fiber cord test body is located between the four limit blocks and is fixedly connected to a control exciter, the control exciter is fixedly connected to four rectangular array connecting and fixing rods, the inner top end surface of the fiber cord test body is fixedly connected to four annular array supporting top rods, the lower ends of the four supporting top rods are fixedly connected to a dynamic force sensor, the lower side surface of the dynamic force sensor is fixedly connected to a connecting ring 2, the lower side surface of the connecting ring 2 and the upper side surfaces of the four connecting and fixing rods are respectively fixedly connected to a clamping assembly, the input ends of the control exciter and the dynamic force sensor are electrically connected to the output end of an external power supply through an external control switch group.

[0008] The control exciter is used to make the fiber cord oscillate periodically to perform the fiber cord model animation. The control exciter is composed of an exciter accelerometer, a drive coil and a static coil, thereby making the fiber cord oscillate. The connecting rod and the connecting ring are used to fix the support clamping assembly, the clamping assembly is used to clamp the fiber cord, and the support top rod is used to fix the dynamic force sensor, and the dynamic force sensor is used to detect the pulling of the fiber cord, thereby performing detection.

[0009] Furthermore, the clamping assembly includes a clamping block, a guide pipe, a fixed limit plate, a limit sliding column, a connecting plate, an adjusting pressure plate and a protective pad, the lower surface of the connecting ring two and the upper ends of the four connecting and fixing rods are respectively fixedly connected to a clamping block, and the corresponding sides of the two clamping blocks are respectively provided with rectangular grooves, and the two rectangular grooves are respectively provided with a circular hole perforation, and the two circular perforations respectively penetrate the upper and lower sides of the corresponding clamping blocks, and the non-corresponding side surfaces of the two clamping blocks are located at the position of the edge of the circular hole perforation and are respectively fixedly connected to a guide pipe, wherein the upper end of the guide pipe arranged on the connecting ring two extends to the upper side of the corresponding fiber cord test body, and the two clamping fixes The rear side surface of the rectangular groove on the block is fixedly connected to a fixed limit plate, and the front side surfaces of the two fixed limit plates are fixedly connected to a limit sliding column, each limit sliding column extends to the front side of the corresponding clamping and fixing block, and the front side of each clamping and fixing block is respectively provided with a connecting plate, and the two connecting plates are respectively fixedly connected to the corresponding limit sliding columns, and an adjusting pressure plate is slidably connected to the two limit sliding columns on each clamping and fixing block, and the two adjusting pressure plates are respectively arranged in the rectangular groove and correspond to the fixed limit plate, and a protective pad is fixedly connected to one side between the fixed limit plate and the adjusting pressure plate on the two clamping and fixing blocks, and each protective pad is respectively arranged at a position between the corresponding two limit sliding columns.

[0010] The clamping block is used to fix the fixed limit plate, the fixed limit plate is used to limit the fiber cord, the guide pipe is used to guide the fiber cord to allow the fiber cord to pass through, the limit slide is used to make the adjustment pressure plate move more stably, the adjustment pressure plate and the fixed limit plate cooperate to clamp the fiber cord, the protective pad is used to protect the fiber cord to prevent the fiber cord from being damaged during the clamping process, and the connecting plate is used to fix the limit slide, thereby fixing and clamping the fiber cord.

[0011] Furthermore, the clamping assembly also includes a fixed cylinder and a fastening nut. The front surfaces of the two fixed limit plates are located at the positions on the left and right sides of the corresponding two limit sliding columns, and are respectively fixedly connected to a fixed cylinder. Each fixed cylinder passes through a corresponding adjusting pressure plate. A thread is provided on each fixed cylinder at the position in front of the corresponding adjusting pressure plate. A fastening nut is rotatably sleeved on each fixed cylinder, and each fastening nut is threadedly connected to the corresponding thread.

[0012] The fixing cylinder is used to make the movement of the adjusting pressure plate more stable, and the fastening nut is used to lock the adjusting pressure plate after the position is adjusted, so that the fiber cord is fixed more stably and convenient to use.

[0013] Furthermore, the clamping assembly also includes an adjusting screw, and screw holes are respectively provided on the front surfaces of the two clamping fixing blocks at positions corresponding to the two limit sliding columns, and the two screw holes respectively extend into the corresponding rectangular grooves, and the front surfaces of the two adjusting pressure plates are located at positions corresponding to the screw holes and are respectively rotatably connected to the adjusting screws through rotating seats, and the two adjusting screws are respectively threaded in the corresponding screw holes, and the front ends of the two adjusting screws respectively penetrate the corresponding connecting plates and are fixedly connected to the rotating armrests.

[0014] The adjusting screw is rotated to push the adjusting plate to move, thereby facilitating the clamping and fixing of the fiber cord for testing purposes.

[0015] Furthermore, the fiber cord detection and fixing unit also includes a displacement sensor, wherein a displacement sensor is provided on the clamping and fixing block in the control exciter, and the input end of the displacement sensor is electrically connected to the output end of the external power supply through an external control switch group.

[0016] The displacement sensor is used to test the vibration displacement of the fiber cord, which is convenient for simulating the dynamic fiber cord to detect the dynamic properties of the fiber cord and is easy to use.

[0017] Furthermore, the temperature control test unit includes a heating furnace, a temperature support rod, a connecting ring 1, an arc-shaped heating plate and a temperature adjustment panel, a temperature support rod is fixedly connected to the left and right side surfaces of the fiber cord test body respectively, a heating furnace is fixedly connected between the two temperature support rods, a circular hole is respectively opened on the upper and lower side surfaces of the heating furnace, the two circular holes respectively extend into the heating furnace, and high-temperature resistant protective covers are fixedly sleeved in the two circular holes, the circular holes on the heating furnace correspond to the clamping assembly, two connecting rings 1 with equal spacing are fixedly sleeved on the heating furnace, two arc-shaped heating plates with equal spacing are fixedly connected between the two connecting rings 1, and the two arc-shaped heating plates are arranged at the front and rear sides of the heating furnace, a rectangular hole is opened on the rear side surface of the fiber cord test body, the rectangular hole extends into the fiber cord test body, a temperature adjustment panel is fixedly connected in the rectangular hole, the temperature adjustment panel is electrically connected to the arc-shaped heating plate, and the input end of the arc-shaped heating plate is electrically connected to the output end of the external power supply through the external control switch group.

[0018] The heating furnace is used to allow the fiber cord to pass through, which is convenient for testing. The diameter of the circular hole on the heating furnace is larger than the fiber cord, which is convenient for the fiber cord to vibrate periodically and is convenient for testing. The temperature support rod is used to fix the heating furnace. The connecting ring is used to fix the arc heating plate. The arc heating plate is used to heat the heating furnace, which is convenient for controlling the temperature in the heating furnace and adjusting the internal environment for testing. The temperature adjustment panel is used to control the arc heating plate to adjust the temperature. The arc heating plate adopts an electromagnetic heating plate, which is used for heating and temperature control.

[0019] Furthermore, the temperature control test unit also includes a temperature detector, which is fixedly connected to the temperature detector via a fixing bracket on the heating furnace, and a detection probe on the temperature detector extends into the heating furnace. The input end of the temperature detector is electrically connected to the output end of an external power supply via an external control switch group.

[0020] The temperature detector uses an infrared thermometer to detect the temperature, thereby displaying the temperature inside the heating furnace for easy testing.

[0021] Furthermore, the temperature control test unit also includes a high-definition camera, which is fixedly connected to the heating furnace through a connecting bracket, and the shooting head of the high-definition camera extends into the heating furnace.

[0022] The high-definition camera uses a high-temperature resistant industrial high-definition camera to observe the inside of the heating furnace, allowing users to watch the test situation conveniently.

[0023] Furthermore, the temperature control test unit also includes a fixed door panel, and an inspection hole is opened on the front surface of the fiber cord test body. The inspection hole extends into the fiber cord test body, and the inspection hole is fixedly connected to the fixed door panel by a pin, and the front surface of the fixed door panel is movably connected to the pulling handrail by a movable pin shaft.

[0024] The fixed door panel is used to fix the device during testing to protect the internal device. When the fiber cord needs to be taken, the fixed door panel can be opened to operate the interior.

[0025] Furthermore, firstly, the temperature in the heating furnace is adjusted through the temperature adjustment panel. When the temperature reaches the appropriate level, the fixed door panel is opened, and the fiber cord is passed through the upper clamp, the heating furnace and the lower clamp in sequence. Then, the fiber cord is clamped by the clamping assembly. After clamping, the fiber cord is made to oscillate periodically by starting the control exciter. Finally, the displacement sensor and the dynamic force sensor are used to detect the data. The test data is displayed on the control panel for testing.

[0026] The environment inside the device is controlled by adjusting the temperature in the heating furnace. After the temperature is adjusted to an appropriate level, the fiber cord is passed through the upper clamp, heating furnace and lower clamp in sequence, and the adjusting screw is turned to make the fixed limit plate and the adjusting pressure plate cooperate to clamp the fiber cord. After clamping, it is locked by fixing the cylinder and tightening the nut to make the fiber cord clamping more stable. Then, the control exciter is started to make the fiber cord oscillate periodically. The internal situation of the heating furnace is observed through a high-definition camera. Finally, the displacement sensor and dynamic force sensor are used to detect data for testing.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The fiber cord dynamic performance test method and test equipment have the following advantages: a fiber cord detection fixing unit is provided, and the fiber cord is modeled by a fiber cord dynamic diagram by controlling the exciter to make the fiber cord do periodic oscillations, and the exciter is controlled by an exciter accelerometer, a driving coil and a static coil to make the fiber cord oscillate, and the connecting fixing rod and the connecting ring are used to fix the support clamping assembly, and the clamping assembly is used to clamp the fiber cord, and the supporting top rod is used to fix the dynamic force sensor, and the dynamic force sensor is used to detect the pulling of the fiber cord, and the clamping fixing block is used to fix the fixed limit plate, and the fixed limit plate is used to fix the fiber cord. The guide pipe is used to guide the fiber cord to allow the fiber cord to pass through. The limit slide is used to make the adjustment plate move more stably. The adjustment plate and the fixed limit plate cooperate to clamp the fiber cord. The protective pad is used to protect the fiber cord to prevent the fiber cord from being damaged during the clamping process. The connecting plate is used to fix the limit slide. The fixed cylinder is used to make the adjustment plate move more stably. The fastening nut is used to lock the adjustment plate after the position is adjusted. The adjusting screw is rotated to push the adjustment plate to move, thereby facilitating the clamping and fixing of the fiber cord. The displacement sensor is used to test the vibration displacement of the fiber cord to detect the clamping of the fiber cord.

[0029] 2. The fiber cord dynamic performance test method and test equipment have the following advantages: a temperature control test unit is provided, and a heating furnace is used to allow the fiber cord to pass through, which is convenient for testing. The diameter of the circular hole on the heating furnace is larger than the fiber cord, which is convenient for the fiber cord to vibrate periodically and is convenient for testing. The temperature support rod is used to fix the heating furnace, and the connecting ring is used to fix the arc heating plate. The arc heating plate is used to heat the heating furnace, thereby conveniently controlling the temperature in the heating furnace and adjusting the internal environment for testing. The temperature adjustment panel is used to control the arc heating plate to adjust the temperature. The temperature detector is used to detect the temperature, thereby displaying the temperature in the heating furnace, thereby controlling the internal temperature for testing.

[0030] 3. The fiber cord dynamic performance test method and test equipment have the following advantages: the dynamic performance of the fiber cord is tested more accurately without affecting the use of the fiber cord. During the test, it is more convenient to fix the fiber cord and the temperature in the device is more convenient to adjust without affecting the test use. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the cross-sectional structure of the back side of the present invention;

[0033] Figure 3It is a schematic diagram of the local structure of the heating furnace of the present invention;

[0034] Figure 4 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0035] Figure 5 This is a schematic diagram of the front structure of the clamping assembly of the present invention;

[0036] Figure 6 It is a schematic diagram of the side cross-sectional structure of the clamping assembly of the present invention;

[0037] Figure 7 It is a schematic diagram of the local structure of the control exciter of the present invention;

[0038] Figure 8 It is a schematic diagram of the local structure of the dynamic force sensor of the present invention.

[0039] In the figure: 1 fiber cord test body, 2 control panel, 3 temperature control test unit, 31 heating furnace, 32 temperature support rod, 33 connecting ring one, 34 arc heating plate, 35 high-definition camera, 36 temperature adjustment panel, 37 temperature detector, 38 fixed door panel, 4 fiber cord detection fixing unit, 41 clamping fixed block, 42 ​​guide pipe, 43 fixed limit plate, 44 limit sliding column, 45 connecting plate, 46 adjusting screw, 47 adjusting pressure plate, 48 fixed cylinder, 49 fastening nut, 410 protection pad, 411 control exciter, 412 connecting fixed rod, 413 displacement sensor, 414 support top rod, 415 dynamic force sensor, 416 connecting ring two. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-8 , This embodiment provides a technical solution: a fiber cord dynamic performance test method and test equipment, including a fiber cord test body 1, a temperature control test unit 3 and a fiber cord detection fixing unit 4;

[0042] The fiber cord test body 1: the four corners of the lower surface are respectively fixedly connected to a support leg, the left surface of the fiber cord test body 1 is fixedly connected to the control panel 2, and a temperature control test unit 3 is arranged in the fiber cord test body 1;

[0043] The fiber cord detection fixing unit 4 includes a control exciter 411, a connecting and fixing rod 412, a supporting top rod 414, a dynamic force sensor 415, a connecting ring 2 416 and a clamping assembly. The inner bottom end surface of the fiber cord test body 1 is fixedly connected to four rectangular array limit blocks. The inner bottom end surface of the fiber cord test body 1 is fixedly connected to a control exciter 411 at a position located between the four limit blocks. The control exciter 411 is fixedly connected to four rectangular array connecting and fixing rods 412. The inner top end surface of the fiber cord test body 1 is fixedly connected to four annular array supporting top rods 414. The lower ends of the four supporting top rods 414 are fixedly connected to a dynamic force sensor 415. The lower side surface of the dynamic force sensor 415 is fixedly connected to a connecting ring 2 416. The lower side surface of the connecting ring 2 416 and the upper side surfaces of the four connecting and fixing rods 412 are respectively fixedly connected to a clamping assembly. The input ends of the control exciter 411 and the dynamic force sensor 415 are electrically connected to the output end of the external power supply through an external control switch group.

[0044] The control exciter 411 is used to make the fiber cord oscillate periodically to perform a model animation of the fiber cord. The control exciter 411 is composed of an exciter accelerometer, a drive coil and a static coil, thereby making the fiber cord oscillate. The connecting fixing rod 412 and the connecting ring 2 416 are used to fix the support clamping assembly, and the clamping assembly is used to clamp the fiber cord. The support top rod 414 is used to fix the dynamic force sensor 415, and the dynamic force sensor 415 is used to detect the pulling of the fiber cord, thereby performing detection.

[0045] The clamping assembly includes a clamping block 41, a guide pipe 42, a fixed limit plate 43, a limit slide column 44, a connecting plate 45, an adjusting pressure plate 47 and a protective pad 410. The lower surface of the connecting ring 2 416 and the upper ends of the four connecting and fixing rods 412 are respectively fixedly connected to a clamping block 41, and the corresponding sides of the two clamping blocks 41 are respectively provided with rectangular grooves, and a circular hole is respectively provided in the two rectangular grooves. The two circular holes pass through the upper and lower sides of the corresponding clamping blocks 41, and the non-corresponding side surfaces of the two clamping blocks 41 are located at the position of the edge of the circular hole perforation and are respectively fixedly connected to a guide pipe 42, wherein the upper end of the guide pipe 42 arranged on the connecting ring 2 416 extends to the upper side of the corresponding fiber cord test body 1, and the rectangular grooves on the two clamping blocks 41 are respectively provided with a circular hole. The rear side surfaces are respectively fixedly connected to a fixed limit plate 43, the front side surfaces of the two fixed limit plates 43 are respectively fixedly connected to a limit slide 44, each limit slide 44 extends to the front side of the corresponding clamping and fixing block 41, and the front side of each clamping and fixing block 41 is respectively provided with a connecting plate 45, the two connecting plates 45 are respectively fixedly connected to the corresponding limit slide 44, and the two limit slides 44 on each clamping and fixing block 41 are respectively slidably connected to an adjusting pressure plate 47, the two adjusting pressure plates 47 are respectively arranged in the rectangular groove and correspond to the fixed limit plates 43, and one side between the fixed limit plates 43 and the adjusting pressure plates 47 on the two clamping and fixing blocks 41 is respectively fixedly connected to a protective pad block 410, and each protective pad block 410 is respectively arranged at a position between the corresponding two limit slides 44.

[0046] The clamping and fixing block 41 is used to fix the fixed limiting plate 43, and the fixed limiting plate 43 is used to limit the fiber cord. The guide pipe 42 is used to guide the fiber cord to allow the fiber cord to pass through. The limiting slide column 44 is used to make the movement of the adjusting pressure plate 47 more stable. The adjusting pressure plate 47 and the fixed limiting plate 43 cooperate to clamp the fiber cord. The protective pad block 410 is used to protect the fiber cord to prevent the fiber cord from being damaged during the clamping process. The connecting plate 45 is used to fix the limiting slide column 44, thereby fixing and clamping the fiber cord.

[0047] The clamping assembly also includes a fixed cylinder 48 and a fastening nut 49. The front surfaces of the two fixed limit plates 43 are located at the positions on the left and right sides of the corresponding two limit slides 44, and are respectively fixedly connected to a fixed cylinder 48. Each fixed cylinder 48 passes through a corresponding adjusting pressure plate 47. A thread is provided on each fixed cylinder 48 at a position in front of the corresponding adjusting pressure plate 47. A fastening nut 49 is rotatably sleeved on each fixed cylinder 48, and each fastening nut 49 is threadedly connected to the corresponding thread.

[0048] The fixing cylinder 48 is used to make the movement of the adjusting plate 47 more stable, and the tightening nut 49 is used to lock the adjusting plate 47 after the position is adjusted, so that the fiber cord is fixed more stably and convenient to use.

[0049] The clamping assembly also includes an adjusting screw 46. The front surfaces of the two clamping fixing blocks 41 are respectively provided with screw holes at positions corresponding to the two limit slides 44. The two screw holes extend into corresponding rectangular grooves respectively. The front surfaces of the two adjusting pressure plates 47 are located at positions corresponding to the screw holes and are rotatably connected to the adjusting screw 46 through rotating seats respectively. The two adjusting screws 46 are respectively threaded in the corresponding screw holes, and the front ends of the two adjusting screws 46 respectively penetrate the corresponding connecting plates 45 and are fixedly connected to the rotating armrests.

[0050] The adjusting screw 46 rotates to push the adjusting plate 47 to move, thereby facilitating the clamping and fixing of the fiber cord for testing.

[0051] The fiber cord detection fixing unit 4 further includes a displacement sensor 413, wherein a displacement sensor 413 is provided on the clamping fixing block 41 in the control exciter 411, and an input end of the displacement sensor 413 is electrically connected to an output end of an external power supply through an external control switch group.

[0052] The displacement sensor 413 is used to test the vibration displacement of the fiber cord, so as to facilitate the simulation of the dynamic fiber cord to detect the dynamic properties of the fiber cord and facilitate its use.

[0053] The temperature control test unit 3 includes a heating furnace 31, a temperature support rod 32, a connecting ring 33, an arc heating plate 34 and a temperature adjustment panel 36. The left and right surfaces of the fiber cord test body 1 are respectively fixedly connected with a temperature support rod 32, and a heating furnace 31 is fixedly connected between the two temperature support rods 32. A circular hole is respectively opened on the upper and lower surfaces of the heating furnace 31, and the two circular holes extend into the heating furnace 31 respectively. High-temperature resistant protective sleeves are fixedly sleeved in the two circular holes. The circular holes on the heating furnace 31 correspond to the clamping components. The heating furnace Two equally spaced connecting rings 33 are fixedly sleeved on the chamber 31, and two equally spaced arc heating plates 34 are fixedly connected between the two connecting rings 33. The two arc heating plates 34 are arranged on the front and rear sides of the heating furnace chamber 31. A rectangular hole is opened on the rear surface of the fiber cord test body 1, and the rectangular hole extends into the fiber cord test body 1. A temperature regulating panel 36 is fixedly connected in the rectangular hole. The temperature regulating panel 36 is electrically connected to the arc heating plate 34, and the input end of the arc heating plate 34 is electrically connected to the output end of the external power supply through an external control switch group.

[0054] The heating furnace 31 is used to allow the fiber cord to pass through, which is convenient for testing. The diameter of the circular hole on the heating furnace 31 is larger than the fiber cord, which is convenient for the fiber cord to vibrate periodically and is convenient for testing. The temperature support rod 32 is used to fix the heating furnace 31. The connecting ring 33 is used to fix the arc heating plate 34. The arc heating plate 34 is used to heat the heating furnace 31, thereby facilitating the control of the temperature in the heating furnace 31 and adjusting the internal environment for testing. The temperature adjustment panel 36 is used to control the arc heating plate 34 to adjust the temperature. The arc heating plate 34 adopts an electromagnetic heating plate, which is used for heating and temperature control.

[0055] The temperature control test unit 3 also includes a temperature detector 37, which is fixedly connected to the heating furnace 31 through a fixing bracket. The detection probe on the temperature detector 37 extends into the heating furnace 31. The input end of the temperature detector 37 is electrically connected to the output end of the external power supply through an external control switch group.

[0056] The temperature detector 37 uses an infrared thermometer to detect the temperature, thereby displaying the temperature in the heating furnace 31, which is convenient for testing.

[0057] The temperature control test unit 3 further includes a high-definition camera 35 , which is fixedly connected to the heating furnace 31 via a connecting fixing frame, and the shooting head of the high-definition camera 35 extends into the heating furnace 31 .

[0058] The high-definition camera 35 uses a high-temperature resistant industrial high-definition camera to observe the inside of the heating furnace 31, making it convenient for the user to watch the test situation.

[0059] The temperature control test unit 3 also includes a fixed door panel 38, and an inspection hole is opened on the front surface of the fiber cord test body 1. The inspection hole extends into the fiber cord test body 1, and is fixedly connected to the fixed door panel 38 through pins. The front surface of the fixed door panel 38 is movably connected to the pulling handrail through a movable pin shaft.

[0060] The fixed door panel 38 is used to fix the device during testing, thereby protecting the internal device. When the fiber cord needs to be taken out, the fixed door panel 38 is opened to operate the interior.

[0061] First, the temperature in the heating furnace 31 is adjusted through the temperature adjustment panel 36. When the temperature reaches a suitable level, the fixed door panel 38 is opened to pass the fiber cord through the upper clamp, the heating furnace 31 and the lower clamp in sequence. The fiber cord is then clamped by the clamping assembly. After clamping, the fiber cord is allowed to oscillate periodically by starting the control exciter 411. Finally, the displacement sensor 413 and the dynamic force sensor 415 are used to detect data. The test data is displayed on the control panel 2 for testing.

[0062] The environment inside the device is controlled by adjusting the temperature in the heating furnace 31. After the temperature is adjusted to a suitable level, the fiber cord is passed through the upper clamp, the heating furnace 31 and the lower clamp in sequence, and the adjusting screw 46 is rotated to make the fixed limit plate 43 and the adjusting pressure plate 47 cooperate to clamp the fiber cord. After clamping, the fiber cord is locked by fixing the cylinder 48 and the tightening nut 49 to make the fiber cord clamping more stable. Then, the control exciter 411 is started to make the fiber cord oscillate periodically. The internal situation of the heating furnace 31 is observed by the high-definition camera 35. Finally, the displacement sensor 413 and the dynamic force sensor 415 are used to detect data for testing.

[0063] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC single-chip microcomputer, the high-definition camera 35 adopts a high-temperature resistant industrial high-definition camera, the temperature detector 37 adopts an infrared thermometer, the arc heating plate 34 adopts an electromagnetic heating plate, and the external control switch group controls the operation of the exciter 411, the dynamic force sensor 415, the high-definition camera 35, the temperature detector 37 and the arc heating plate 34 using methods commonly used in the prior art.

[0064] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fiber cord dynamic performance testing device, characterized in that: It comprises a fiber cord test body (1), a temperature control test unit (3) and a fiber cord detection fixing unit (4); A fiber cord test body (1): the four corners of the lower surface are respectively fixedly connected to a support leg, the left side surface of the fiber cord test body (1) is fixedly connected to the control panel (2), and a temperature control test unit (3) is arranged inside the fiber cord test body (1); A fiber cord testing fixing unit (4): comprising a control exciter (411), a connecting fixing rod (412), a supporting top rod (414), a dynamic force sensor (415), a connecting ring 2 (416) and a clamping assembly, wherein the inner bottom end surface of the fiber cord testing body (1) is fixedly connected to four rectangular array limit blocks, the inner bottom end surface of the fiber cord testing body (1) is fixedly connected to a control exciter (411) at a position located between the four limit blocks, the control exciter (411) is fixedly connected to four rectangular array connecting fixing rods (412), the fiber The inner top surface of the cord test body (1) is fixedly connected to four supporting top rods (414) in an annular array, the lower ends of the four supporting top rods (414) are fixedly connected to a dynamic force sensor (415), the lower side surface of the dynamic force sensor (415) is fixedly connected to a connecting ring 2 (416), the lower side surface of the connecting ring 2 (416) and the upper side surfaces of the four connecting fixing rods (412) are respectively fixedly connected to a clamping assembly, and the input ends of the control exciter (411) and the dynamic force sensor (415) are electrically connected to the output end of an external power supply through an external control switch group; The clamping assembly comprises a clamping block (41), a guide pipe (42), a fixed limit plate (43), a limit slide column (44), a connecting plate (45), an adjusting pressure plate (47) and a protective pad (410), wherein the lower surface of the connecting ring 2 (416) and the upper ends of the four connecting fixing rods (412) are respectively fixedly connected to a clamping block (41), and the two clamping blocks (41) are respectively provided with a rectangular groove on one side corresponding to each other, and a circular hole is respectively provided in the two rectangular grooves, and the two circular holes respectively penetrate the upper and lower sides of the corresponding clamping blocks (41), and the non-corresponding side surfaces of the two clamping blocks (41) are respectively fixedly connected to a guide pipe (42) at a position at the edge of the circular hole, wherein the upper end of the guide pipe (42) arranged on the connecting ring 2 (416) extends to the upper side of the corresponding fiber cord test body (1), and the rectangular grooves on the two clamping blocks (41) are respectively provided with a circular hole. The rear side surfaces of the two fixed limit plates (43) are respectively fixedly connected to a fixed limit slide (44), the front side surfaces of the two fixed limit plates (43) are respectively fixedly connected to a limit slide column (44), each limit slide column (44) extends to the front side of the corresponding clamping and fixing block (41), the front side of each clamping and fixing block (41) is respectively provided with a connecting plate (45), the two connecting plates (45) are respectively fixedly connected to the corresponding limit slide column (44), the two limit slide columns (44) on each clamping and fixing block (41) are respectively slidably connected to an adjusting pressure plate (47), the two adjusting pressure plates (47) are respectively arranged in the rectangular groove and correspond to the fixed limit plates (43), and one side between the fixed limit plates (43) and the adjusting pressure plates (47) on the two clamping and fixing blocks (41) is respectively fixedly connected to a protection pad (410), and each protection pad (410) is respectively arranged at a position between the corresponding two limit slide columns (44); The clamping assembly further comprises a fixed cylinder (48) and a fastening nut (49); the front surfaces of the two fixed limit plates (43) are respectively fixedly connected to a fixed cylinder (48) at positions on the left and right sides of the corresponding two limit slides (44); each fixed cylinder (48) passes through a corresponding adjustment plate (47); a thread is arranged on each fixed cylinder (48) at a position in front of the corresponding adjustment plate (47); a fastening nut (49) is rotatably sleeved on each fixed cylinder (48); and each fastening nut (49) is respectively threadedly connected to a corresponding thread.

2. A fiber cord dynamic performance testing device according to claim 1, characterized in that: The clamping assembly further comprises an adjusting screw (46), the front surfaces of the two clamping fixing blocks (41) are respectively provided with screw holes at positions corresponding to the two limit slide posts (44), the two screw holes respectively extend into corresponding rectangular grooves, the front surfaces of the two adjusting pressure plates (47) are respectively rotatably connected to the adjusting screw (46) via rotating seats at positions corresponding to the screw holes, the two adjusting screws (46) are respectively threadedly connected in the corresponding screw holes, and the front ends of the two adjusting screws (46) respectively penetrate the corresponding connecting plates (45) and are fixedly connected to the rotating armrest.

3. A fiber cord dynamic performance testing device according to claim 1, characterized in that: The fiber cord detection fixing unit (4) further comprises a displacement sensor (413), wherein a displacement sensor (413) is provided on a clamping fixing block (41) in the control exciter (411), and an input end of the displacement sensor (413) is electrically connected to an output end of an external power supply via an external control switch group.

4. The fiber cord dynamic performance testing device according to claim 1, characterized in that: The temperature control test unit (3) comprises a heating furnace (31), a temperature support rod (32), a connecting ring (33), an arc-shaped heating plate (34) and a temperature adjustment panel (36). The left and right side surfaces of the fiber cord test body (1) are respectively fixedly connected to a temperature support rod (32), and a heating furnace (31) is fixedly connected between the two temperature support rods (32). The upper and lower side surfaces of the heating furnace (31) are respectively provided with a circular hole, and the two circular holes extend into the heating furnace (31). High-temperature resistant protective sleeves are respectively fixedly sleeved in the two circular holes. The circular hole on the heating furnace (31) corresponds to the clamping component. Two equally spaced connecting circular rings (33) are fixedly sleeved on the furnace (31), and two equally spaced arc-shaped heating plates (34) are fixedly connected between the two connecting circular rings (33). The two arc-shaped heating plates (34) are arranged at the front and rear sides of the heating furnace (31). A rectangular hole is opened on the rear surface of the fiber cord test body (1), and the rectangular hole extends into the fiber cord test body (1). A temperature regulating panel (36) is fixedly connected in the rectangular hole. The temperature regulating panel (36) is electrically connected to the arc-shaped heating plate (34), and the input end of the arc-shaped heating plate (34) is electrically connected to the output end of an external power supply through an external control switch group.

5. A fiber cord dynamic performance testing device according to claim 4, characterized in that: The temperature control test unit (3) further comprises a temperature detector (37), the heating furnace (31) being fixedly connected to the temperature detector (37) via a fixing frame, a detection probe on the temperature detector (37) extending into the heating furnace (31), and an input end of the temperature detector (37) being electrically connected to an output end of an external power supply via an external control switch group.

6. A fiber cord dynamic performance testing device according to claim 4, characterized in that: The temperature control test unit (3) further comprises a high-definition camera (35), the heating furnace (31) being fixedly connected to the high-definition camera (35) via a connecting fixing frame, and the camera head on the high-definition camera (35) extends into the heating furnace (31).

7. A fiber cord dynamic performance testing device according to claim 4, characterized in that: The temperature control test unit (3) further comprises a fixed door panel (38), the front side surface of the fiber cord test body (1) is provided with an inspection hole, the inspection hole extends into the fiber cord test body (1), the inspection hole is fixedly connected to the fixed door panel (38) via a pin, and the front side surface of the fixed door panel (38) is movably connected to the pull handrail via a movable pin shaft.

8. The testing method of a fiber cord dynamic performance testing device according to claim 1, characterized in that: First, the temperature in the heating furnace (31) is adjusted through the temperature adjustment panel (36). When the temperature reaches a suitable level, the fixed door panel (38) is opened, and the fiber cord is passed through the upper clamp, the heating furnace (31) and the lower clamp in sequence. The fiber cord is then clamped by the clamping assembly. After clamping, the fiber cord is caused to oscillate periodically by starting the control exciter (411). Finally, the displacement sensor (413) and the dynamic force sensor (415) are used to detect data. The test data is displayed on the control panel (2) for testing.

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