Adjustable elastic fabric friction detection device

Abstract

The invention relates to the technical field of elastic fabric friction detection, in particular to an adjustable elastic fabric friction detection device which comprises a friction detection structure and a supporting and limiting structure, and the upper end of the supporting and limiting structure is fixedly connected with the friction detection structure; the friction detection structure is used for limiting multiple point positions and conducting friction detection work at the same time, the friction control components are arranged on the mounting vertical plate, the multiple friction control components are evenly distributed, and the tension adjusting component is connected to the position between the two friction control components; a first electric control telescopic rod in the tensioning adjusting component controls a sliding adjusting block and a connecting guide block to move in a track plate, the positions of the connecting guide block, a first limiting roller and a second limiting roller are changed, and a second electric control telescopic rod in the friction control component changes the position of an adaptive top frame and a control motor on a mounting vertical plate. The control motor controls the friction wheel to rotate through the rotating guide rod for friction detection. Through the arrangement of the structure, the friction detection work of the elastic fabric is facilitated.

Description

Technical Field

[0001] This invention relates to the field of elastic fabric friction detection technology, specifically an adjustable elastic fabric friction detection device. Background Technology

[0002] Elastic fabric is a type of raw fabric with elastic properties formed through specific textile processes. Its core technologies include rib knit structure, blended fiber ratio, and special weaving techniques. This material is made by blending materials such as polyester, viscose fiber, and cotton fiber, and forming an elastic layer through a same warp and weft weaving process, giving the fabric extensibility and resilience. It is mainly used in the field of clothing accessories, including T-shirt collar edges, cuff shaping, and other scenarios. A 2025 patent shows that by strengthening the twisting process and tension-free ironing and setting technology, the durability of all-cotton warp elastic fabric can be improved. Elastic fabric friction detection devices can perform quality inspection of elastic fabric. Only elastic fabric that meets the friction requirements can be produced and cut.

[0003] According to Chinese Patent Publication No. CN118858047B, an adjustable elastic fabric friction detection device is provided, relating to the field of fabric detection technology. It includes: a main detection frame, with two sets of L-shaped slide blocks slidably arranged on the top side of the main detection frame in conjunction with guide rails, each L-shaped slide block having a spring rod fixedly mounted on its top; a driver fixedly mounted below the inner surface of the main detection frame; a collection channel, with protruding structures on both sides above the collection channel, the protruding structures slidably mounted outside the spring rods; and a lower pull-out seat and an upper pull-out seat, providing an automatic fixing and tightening structure. The lowering of the platform drives the rotating linkage to descend, and simultaneously, the landing gear naturally descends under the influence of gravity, lowering the upper pull-out seat above the lower pull-out seat. The elastic fabric is clamped and fixed by the lower and upper pull-out seats, automatically tightening and fixing the fabric, and conversely, it can be quickly unlocked, solving the problem of existing detection devices lacking an automatic fixing and tightening structure.

[0004] Currently, existing elastic fabric friction detection devices cannot operate efficiently, are not suitable for multi-angle friction detection, and are inconvenient to adjust, thus requiring improvement. Summary of the Invention

[0005] To address the problems in the prior art, the present invention provides an adjustable elastic fabric friction detection device.

[0006] The technical solution adopted by the present invention to solve its technical problem is: an adjustable elastic fabric friction detection device, including a friction detection structure and a support limiting structure, wherein the upper end of the support limiting structure is fixedly connected to the friction detection structure;

[0007] The friction detection structure is used for multi-point restriction and simultaneous friction detection. Several friction control components are mounted on the mounting plate and evenly distributed. The tension adjustment component is connected between two friction control components. The first electrically controlled telescopic rod in the tension adjustment component controls the movement of the sliding adjustment block and the connecting guide block in the track plate, changing the position of the connecting guide block, the first limiting roller, and the second limiting roller. The second electrically controlled telescopic rod in the friction control component changes the position of the adapter top frame and the control motor on the mounting plate. The control motor controls the rotation of the friction wheel by rotating the guide rod to perform friction detection.

[0008] A support and limiting structure is used to limit the two ends of the elastic cloth. There is a gap between the first and second mating shafts for inserting the elastic cloth. Then, the second control gear plate is driven to rotate by the displacement gear plate, controlling the rotation of the first and second mating shafts, so that the elastic cloth is wrapped and limited on the first and second mating shafts.

[0009] Specifically, the friction detection structure includes a tension adjustment component, a friction control component, and a mounting plate. The friction control component is fixedly connected to the mounting plate, and the tension adjustment component is installed at the front end of the friction control component and the mounting plate.

[0010] Specifically, the tension adjustment component includes a track plate and a sliding adjustment block. A first electrically controlled telescopic rod is installed inside the track plate. The sliding adjustment block is telescopically connected to the first electrically controlled telescopic rod. The sliding adjustment block slides inside the track plate. A connecting guide block is fixedly connected to the sliding adjustment block. A first limiting roller and a second limiting roller are rotatably connected to the connecting guide block, and a gap is provided between the first limiting roller and the second limiting roller.

[0011] Specifically, the friction control component includes an adapter top frame, a control motor, and a second electrically controlled telescopic rod. The adapter top frame is telescopically connected to the second electrically controlled telescopic rod. The control motor is fixedly connected to the front end of the adapter top frame. A rotating guide rod is fixedly connected to the front end of the control motor. A friction wheel is fixedly connected to the rotating guide rod.

[0012] Specifically, the bottom of the second electrically controlled telescopic rod is fixedly connected to the mounting plate, the adapter top frame is slidably connected to the mounting plate, and the mounting plate is provided with a groove adapted to the friction control component, with the grooves on both sides being inclined and the groove in the center being vertical.

[0013] Specifically, the support and limiting structure includes a limiting groove plate, a limiting connecting component, and a frame. The limiting groove plate is fixedly connected to the rear end of the frame, and the limiting connecting component is also fixedly connected to the frame. The limiting connecting component is symmetrically arranged about the frame.

[0014] Specifically, the limiting connection component includes a stepper motor, a first control gear plate, and a counterweight. The first control gear plate is driven and connected to the stepper motor. A displacement gear plate is meshed on the first control gear plate. A second control gear plate is meshed on the side end of the displacement gear plate. A counterweight is fixedly connected to the rear end of the second control gear plate. A rotating guide frame is fixedly connected to the front end of the counterweight. The rotating guide frame is rotatably connected within a fixed support block. A rotating docking shaft is fixedly connected to the front end of the rotating guide frame. A first mating shaft and a second mating shaft are fixedly connected to the front end of the rotating docking shaft. Fixed sleeves are sleeved on the front ends of the first and second mating shafts.

[0015] Specifically, the displacement toothed plate is slidably connected to the upper limit of the limiting groove plate, and there are two components: counterweight, second control toothed plate, fixed support block, rotating guide frame, rotating docking shaft, first mating shaft, second mating shaft, fixed sleeve block, and displacement toothed plate. Both displacement toothed plates are engaged with the first control toothed plate, and both displacement toothed plates are slidably connected through the limiting groove plate.

[0016] Specifically, the lower end of the fixed support block is fixedly connected to the frame, the stepper motor is fixedly connected to the frame, and the two first mating shafts and the second mating shaft are at the same horizontal position.

[0017] Specifically, the lower end of the track plate is fixedly connected to the frame, the tension adjustment component limits the elastic cloth at multiple points, and the elastic cloth is wrapped and limited between the first limiting roller and the second limiting roller.

[0018] The beneficial effects of this invention are:

[0019] First, this invention, through the structural design of the tension adjustment component, facilitates multi-point limiting of the elastic fabric. After passing through the first limiting roller, the elastic fabric is guided to the first limiting roller and then the second limiting roller, and then guided again by the second limiting roller. Thus, the elastic fabric is supported and limited by the first and second limiting rollers. The first electrically controlled telescopic rod can control the sliding adjustment block to extend and retract within the track plate, changing the position of the first and second limiting rollers, thereby adjusting the tension of the elastic fabric. The second electrically controlled telescopic rod in the friction control component controls the adapter top frame and the extension and retraction of the motor. The motor drives the friction wheel to rotate through the rotating guide rod. The contact between the friction wheel and the elastic fabric performs friction detection of the elastic fabric.

[0020] Second, the present invention facilitates the installation of elastic cloth on both sides by means of a supporting and limiting structure. The elastic cloth passes through the central grooves of the first and second mating shafts. Then, the stepper motor controls the rotation of the first control gear plate, causing the displacement gear plate to move on the limiting groove plate, which in turn drives the second control gear plate to rotate. The second control gear plate drives the counterweight and the rotating guide frame to rotate. The rotating guide frame drives the rotating docking shaft, the first mating shaft, the second mating shaft, and the fixed sleeve to rotate, thereby enabling the elastic cloth to perform the winding and limiting work and perform the limiting installation work. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a three-dimensional structural diagram of the main body from a frontal perspective in this invention;

[0023] Figure 2 This is a three-dimensional side view of the main body of the present invention;

[0024] Figure 3 This is a three-dimensional rear view of the main body in this invention;

[0025] Figure 4 This is a perspective view of the friction detection structure in this invention;

[0026] Figure 5 This is a perspective view of the tension adjustment component in this invention;

[0027] Figure 6 This is a perspective view of the friction control component in this invention;

[0028] Figure 7 This is a three-dimensional structural diagram of the supporting and limiting structure in this invention;

[0029] Figure 8 This is a perspective view of the limiting connecting component in this invention.

[0030] In the diagram: 1-Friction detection structure, 2-Support and limiting structure, 3-Tension adjustment component, 4-Friction control component, 5-Mounting upright plate, 6-Track plate, 7-Sliding adjustment block, 8-Connecting guide block, 9-First limiting roller, 10-Second limiting roller, 11-First electrically controlled telescopic rod, 12-Adaptive top frame, 13-Control motor, 14-Rotating guide rod, 15-Friction wheel, 16-Second electrically controlled telescopic rod, 17-Limiting groove plate, 18-Limiting connection component, 19-Frame, 20-Stepper motor, 21-First control gear plate, 22-Counterweight seat, 23-Second control gear plate, 24-Fixed support block, 25-Rotating connecting guide frame, 26-Rotating docking shaft, 27-First mating connecting shaft, 28-Second mating connecting shaft, 29-Fixed sleeve block, 30-Displacement gear plate. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0032] The invention will be further described below with reference to the accompanying drawings.

[0033] Example

[0034] like Figure 1-8 As shown, an adjustable elastic fabric friction detection device of the present invention includes a friction detection structure 1 and a support limiting structure 1, wherein the upper end of the support limiting structure 1 is fixedly connected to the friction detection structure 1.

[0035] Friction detection structure 1 is used for multi-point restriction and simultaneous friction detection. Friction control component 4 is set on mounting plate 5, and there are several friction control components 4 evenly distributed. Tension adjustment component 3 is connected between two friction control components 4. The first electric telescopic rod 11 in tension adjustment component 3 controls the movement of sliding adjustment block 7 and connecting guide block 8 in track plate 6, changing the position of connecting guide block 8, first limiting roller 9, and second limiting roller 10. The second electric telescopic rod 16 in friction control component 4 changes the position of adapter top frame 12 and control motor 13 on mounting plate 5. Control motor 13 controls friction wheel 15 to rotate by rotating guide rod 14 to perform friction detection.

[0036] The support and limiting structure 1 is used to limit the two ends of the elastic cloth. There is a gap between the first mating shaft 27 and the second mating shaft 28 for inserting the elastic cloth. Then, the second control toothed disc 23 is driven to rotate by the displacement toothed plate 30, controlling the rotation of the first mating shaft 27 and the second mating shaft 28, so that the elastic cloth is wrapped and limited on the first mating shaft 27 and the second mating shaft 28.

[0037] The friction detection structure 1 includes a tension adjustment component 3, a friction control component 4, and a mounting plate 5. The friction control component 4 is fixedly connected to the mounting plate 5, and the tension adjustment component 3 is installed at the front end of the friction control component 4 and the mounting plate 5.

[0038] The tension adjustment component 3 includes a track plate 6 and a sliding adjustment block 7. A first electrically controlled telescopic rod 11 is installed inside the track plate 6. The sliding adjustment block 7 is telescopically connected to the first electrically controlled telescopic rod 11. The sliding adjustment block 7 slides inside the track plate 6. A connecting guide block 8 is fixedly connected to the sliding adjustment block 7. A first limiting roller 9 and a second limiting roller 10 are rotatably connected to the connecting guide block 8. A gap is provided between the first limiting roller 9 and the second limiting roller 10. The elastic fabric is introduced through one side of the first limiting roller 9 and guided through the gap between the first limiting roller 9 and the second limiting roller 10 to the side end of the second limiting roller 10. At the same time, the first electrically controlled telescopic rod 11 telescopically adjusts, causing the sliding adjustment block 7 to move on the track plate 6 and change the position of the connecting guide block 8. When the connecting guide block 8 moves, it changes the position of the first limiting roller 9 and the second limiting roller 10, so that the first limiting roller 9 and the second limiting roller 10 drive the elastic fabric to stretch, thereby controlling the tension of the elastic fabric.

[0039] The friction control component 4 includes an adapter top frame 12, a control motor 13, and a second electrically controlled telescopic rod 16. The adapter top frame 12 is telescopically connected to the second electrically controlled telescopic rod 16. The control motor 13 is fixedly connected to the front end of the adapter top frame 12. A rotating guide rod 14 is fixedly connected to the front end of the control motor 13. A friction wheel 15 is fixedly connected to the rotating guide rod 14. Through the structural design of the tension adjustment component 3, multi-point limiting of the elastic fabric is facilitated. After passing through the first limiting roller 9, the elastic fabric is guided to the first limiting roller 9 and the second limiting roller 10, and then guided again by the second limiting roller 10. Thus, the elastic fabric is supported and limited by the first limiting roller 9 and the second limiting roller 10. The first electrically controlled telescopic rod 11 can control the sliding adjustment block. 7. The tension of the elastic fabric is adjusted by extending and retracting within the track plate 6, changing the positions of the first limiting roller 9 and the second limiting roller 10. The second electrically controlled telescopic rod 16 within the friction control component 4 controls the extension and retraction of the adapter top frame 12 and the control motor 13. The control motor 13 drives the friction wheel 15 to rotate through the rotating guide rod 14. The friction wheel 15 contacts the elastic fabric, performing friction detection. The friction control component 4 is in operation, and the second electrically controlled telescopic rod 16 controls the extension and retraction of the adapter top frame 12 on the mounting plate 5, changing the position of the control motor 13. The control motor 13 drives the rotating guide rod 14 and the friction wheel 15 to rotate. The friction wheel 15 contacts the elastic fabric, performing friction detection and testing.

[0040] The bottom of the second electrically controlled telescopic rod 16 is fixedly connected to the mounting plate 5. The adapter top frame 12 is slidably connected on the mounting plate 5. The mounting plate 5 is provided with a groove that is compatible with the friction control component 4. The grooves on both sides are inclined, and the groove in the center is vertical.

[0041] The support and limiting structure 1 includes a limiting groove plate 17, a limiting connection component 18, and a frame 19. The limiting groove plate 17 is fixedly connected to the rear end of the frame 19, and the limiting connection component 18 is also fixedly connected to the frame 19. The limiting connection component 18 is symmetrically arranged about the frame 19.

[0042] The limiting connection component 18 includes a stepper motor 20, a first control gear plate 21, and a counterweight 22. The first control gear plate 21 is driven and connected to the stepper motor 20. A displacement gear plate 30 is meshed on the first control gear plate 21. A second control gear plate 23 is meshed on the side end of the displacement gear plate 30. The counterweight 22 is fixedly connected to the rear end of the second control gear plate 23. A rotating guide frame 25 is fixedly connected to the front end of the counterweight 22. The rotating guide frame 25 is rotatably connected within a fixed support block 24. A rotating docking shaft 26 is fixedly connected to the front end of the rotating guide frame 25. A first mating shaft 27 and a second mating shaft 28 are fixedly connected to the front end of the rotating docking shaft 26. The first mating shaft 27 and the second mating shaft 28 are connected to the first mating shaft 27 and the second mating shaft 28. A fixed sleeve block 29 is sleeved at the front end of shaft 28. Through the structural setting of the support and limiting structure 1, it is convenient to limit the installation of elastic cloth on both sides. The elastic cloth passes through the central groove of the first mating shaft 27 and the second mating shaft 28. Then, the stepper motor 20 controls the first control gear 21 to rotate, so that the displacement gear plate 30 is displaced on the limiting groove plate 17, which drives the second control gear 23 to rotate. The second control gear 23 drives the counterweight 22 and the rotating guide frame 25 to rotate. The rotating guide frame 25 drives the rotating docking shaft 26, the first mating shaft 27, the second mating shaft 28, and the fixed sleeve block 29 to rotate, so that the elastic cloth can be wrapped and limited, and the limiting installation can be performed.

[0043] The displacement toothed plate 30 is slidably connected to the upper limit of the limiting groove plate 17. The counterweight 22, the second control toothed plate 23, the fixed support block 24, the rotating guide frame 25, the rotating docking shaft 26, the first mating shaft 27, the second mating shaft 28, the fixed sleeve block 29, and two displacement toothed plates 30 are provided. Both displacement toothed plates 30 mesh with the first control toothed plate 21, and both displacement toothed plates 30 are slidably connected through the limiting groove plate 17, limiting the elastic cloth at both ends. At this time, the elastic cloth passes through the center of the first mating shaft 27 and the second mating shaft 28. Simultaneously, the stepper motor 20 operates, driving the first control toothed plate 21 to rotate. The first control toothed plate 21 and the displacement toothed plate... When the 30 meshes, it drives the displacement toothed plates 30 on both sides to move in opposite directions. The displacement toothed plates 30 mesh with the second control toothed plate 23, thereby controlling the second control toothed plate 23 and the rotating guide frame 25 to rotate on the fixed support block 24. The counterweight 22 follows the rotation of the second control toothed plate 23. The front end of the rotating guide frame 25 is fixed to the rotating docking shaft 26, driving the rotating docking shaft 26 to rotate. At the same time, the front end of the rotating docking shaft 26 is fixed to the first mating shaft 27 and the second mating shaft 28, driving the first mating shaft 27, the second mating shaft 28 and the fixed sleeve block 29 to rotate, so that the elastic cloth is wound and limited on the first mating shaft 27 and the second mating shaft 28 to perform the limiting work at both ends.

[0044] The lower end of the fixed support block 24 is fixedly connected to the frame 19, the stepper motor 20 is fixedly connected to the frame 19, and the two first mating shafts 27 and the second mating shafts 28 are in the same horizontal position.

[0045] The lower end of the track plate 6 is fixedly connected to the frame 19. The tension adjustment component 3 limits the elastic cloth at multiple points and restricts the wrapping of the elastic cloth between the first limiting roller 9 and the second limiting roller 10.

[0046] The working principle is as follows: When in use, the elastic cloth is first limited at both ends. At this time, the elastic cloth passes through the center of the first mating shaft 27 and the second mating shaft 28. At the same time, the stepper motor 20 works, driving the first control gear 21 to rotate. The first control gear 21 meshes with the displacement gear plate 30, driving the displacement gear plates 30 on both sides to move in opposite directions. The displacement gear plate 30 meshes with the second control gear 23, thereby controlling the second control gear 23 and the rotating guide frame 25 to rotate on the fixed support block 24. The counterweight 22 follows the rotation of the second control gear 23. The front end of the rotating guide frame 25 is fixed to the rotating docking shaft 26, driving the rotating docking shaft 26 to rotate. At the same time, the front end of the rotating docking shaft 26 is fixed to the first mating shaft 27 and the second mating shaft 28, driving the first mating shaft 27, the second mating shaft 28 and the fixed sleeve block 29 to rotate, so that the elastic cloth is wound and limited on the first mating shaft 27 and the second mating shaft 28, performing the limiting work at both ends.

[0047] Then, the elastic fabric is introduced through one side of the first limiting roller 9 and guided through the gap between the first limiting roller 9 and the second limiting roller 10 to the side end of the second limiting roller 10. At the same time, the first electrically controlled telescopic rod 11 is extended and retracted, which drives the sliding adjusting block 7 to move on the track plate 6, changing the position of the connecting guide block 8. When the connecting guide block 8 moves, it changes the position of the first limiting roller 9 and the second limiting roller 10, so that the first limiting roller 9 and the second limiting roller 10 drive the elastic fabric to stretch, thereby controlling the tension of the elastic fabric.

[0048] After proper adjustment, the friction control component 4 starts working. The second electric telescopic rod 16 controls the adapter top frame 12 to extend and retract on the mounting plate 5, changing the position of the control motor 13. The control motor 13 drives the rotating guide rod 14 and the friction wheel 15 to rotate. The friction wheel 15 contacts the elastic cloth to perform friction detection and test the work, thus completing the work.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable elastic cloth friction detection device, characterized by: Including friction detection structure (1) and support limiting structure (1), the upper end of the support limiting structure (1) is fixedly connected with the friction detection structure (1); The friction detection structure (1) is used for limiting multiple points and simultaneously performing friction detection work. The friction control components (4) are arranged on the mounting vertical plate (5), and the friction control components (4) are evenly distributed. The tension adjusting component (3) is connected between the two friction control components (4). The first electric control telescopic rod (11) in the tension adjusting component (3) controls the sliding adjusting block (7) and the connecting guide block (8) to move in the track plate (6), changes the positions of the connecting guide block (8), the first limiting roller (9) and the second limiting roller (10), the second electric control telescopic rod (16) in the friction control component (4) changes the positions of the adaptive top frame (12) and the control motor (13) on the mounting vertical plate (5), the control motor (13) controls the friction wheel (15) to rotate through the rotating guide rod (14), and the friction detection is performed. The support limiting structure (1) is used for limiting the two ends of the elastic cloth. The first matching connecting shaft (27) and the second matching connecting shaft (28) are provided with a gap, the elastic cloth is inserted, then the second control tooth disc (23) is driven to rotate through the displacement tooth plate (30), the first matching connecting shaft (27) and the second matching connecting shaft (28) are controlled to rotate, and the elastic cloth is wound and limited on the first matching connecting shaft (27) and the second matching connecting shaft (28).

2. The adjustable elastic fabric friction detection device of claim 1, wherein: The friction detection structure (1) comprises a tension adjusting component (3), a friction control component (4) and a mounting vertical plate (5). The mounting vertical plate (5) is fixedly connected with the friction control component (4). The front end of the friction control component (4) and the mounting vertical plate (5) is provided with the tension adjusting component (3).

3. The adjustable stretch cloth friction detection device of claim 2, wherein: The tension adjusting component (3) comprises a track plate (6) and a sliding adjusting block (7). The first electric control telescopic rod (11) is installed in the track plate (6). The first electric control telescopic rod (11) is connected with the sliding adjusting block (7) in an extension mode. The sliding adjusting block (7) slides in the track plate (6). The sliding adjusting block (7) is fixedly connected with the connecting guide block (8). The connecting guide block (8) is rotatably connected with the first limiting roller (9) and the second limiting roller (10). The first limiting roller (9) and the second limiting roller (10) are provided with a gap.

4. The adjustable stretch cloth friction detection device of claim 3, wherein: The friction control component (4) comprises an adaptive top frame (12), a control motor (13) and a second electric control telescopic rod (16). The second electric control telescopic rod (16) is connected with the adaptive top frame (12) in an extension mode. The front end of the adaptive top frame (12) is fixedly connected with the control motor (13). The front end of the control motor (13) is fixedly connected with the rotating guide rod (14). The rotating guide rod (14) is fixedly connected with the friction wheel (15).

5. The adjustable stretch cloth friction detection device of claim 4, wherein: The bottom of the second electric control telescopic rod (16) is fixedly connected with the mounting vertical plate (5). The adaptive top frame (12) is slidably connected with the mounting vertical plate (5). The mounting vertical plate (5) is provided with grooves matched with the friction control component (4). The grooves on the two sides are arranged in an inclined mode. The groove in the center is arranged in a vertical mode.

6. The adjustable stretch cloth friction detection device of claim 5, wherein: The support limiting structure (1) comprises a limiting groove plate (17), a limiting connecting component (18) and a rack (19), the rear end of the rack (19) is fixedly connected with the limiting groove plate (17), and the limiting connecting component (18) is further fixedly connected to the rack (19) and symmetrically arranged about the rack (19).

7. The adjustable stretch fabric friction detection device of claim 6, wherein: The limiting connecting component (18) comprises a stepping motor (20), a first control tooth disc (21) and a counterweight seat (22), the first control tooth disc (21) is drivingly connected to the stepping motor (20), the displacement tooth plate (30) is meshingly connected to the first control tooth disc (21), the second control tooth disc (23) is meshingly connected to the side end of the displacement tooth plate (30), the counterweight seat (22) is fixedly connected to the rear end of the second control tooth disc (23), the rotating connecting guide frame (25) is fixedly connected to the front end of the counterweight seat (22), the rotating connecting guide frame (25) is rotatably connected in the fixed support block (24), the rotating butt joint shaft (26) is fixedly connected to the front end of the rotating connecting guide frame (25), the first matching connecting shaft (27) and the second matching connecting shaft (28) are fixedly connected to the front end of the rotating butt joint shaft (26), and the fixed sleeve block (29) is sleeved on the front end of the first matching connecting shaft (27) and the second matching connecting shaft (28).

8. The adjustable stretch fabric friction detection device of claim 7, wherein: The displacement tooth plate (30) is limitingly and slidingly connected to the limiting groove plate (17), the counterweight seat (22), the second control tooth disc (23), the fixed support block (24), the rotating connecting guide frame (25), the rotating butt joint shaft (26), the first matching connecting shaft (27), the second matching connecting shaft (28), the fixed sleeve block (29) and the displacement tooth plate (30) are provided with two, the two displacement tooth plates (30) are meshed with the first control tooth disc (21), and the two displacement tooth plates (30) are slidingly connected through the limiting groove plate (17).

9. The adjustable stretch cloth friction detection device of claim 8, wherein: The lower end of the fixed support block (24) is fixedly connected with the rack (19), the stepping motor (20) is fixedly connected with the rack (19), and the two first matching connecting shafts (27) and the second matching connecting shafts (28) are located at the same horizontal position.

10. The adjustable stretch cloth friction detection device of claim 9, wherein: The lower end of the track plate (6) is fixedly connected with the rack (19), the tensioning adjusting component (3) is used for limiting the elastic cloth at multiple points, and the elastic cloth is wound and connected between the first limiting roller (9) and the second limiting roller (10).

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