A woven machine broken thread detection and brake protection device based on hydraulic drive

Abstract

The application provides a kind of based on hydraulic drive's braider broken wire detection and brake protection device, belongs to braider technical field;Solve the problem that braider in prior art does not have broken wire detection function and brake protection function;Its technical scheme is that a kind of based on hydraulic drive's braider broken wire detection and brake protection device, including spindle, dial, transmission sprocket, chain, hydraulic motor base and hydraulic motor, still include centrifugal force deceleration mechanism and multi-plate clutch, hydraulic motor and multi-plate clutch are connected by shaft coupling, centrifugal force deceleration mechanism and multi-plate clutch are provided with intermediate gear and bevel gear, deceleration disc is arranged in centrifugal force deceleration mechanism, deceleration disc and intermediate gear and sprocket synchronous rotation, hydraulic motor base two sides are also provided with hydraulic cylinder;The beneficial effects of the application are that the problem that braider in prior art does not have broken wire detection function and brake protection function is overcome.

Description

Technical Field

[0001] This invention relates to the field of braiding machine technology, and in particular to a hydraulically driven braiding machine yarn breakage detection and brake protection device. Background Technology

[0002] The transmission system of a braiding machine has three layers. The bottom layer is a gear and sprocket drive mechanism powered by a hydraulic motor. The second layer is a dial that rotates synchronously with the bottom sprocket. The third layer consists of multiple self-rotating spindles that are locked in grooves within the dial and rotate with it. The braiding thread is wound around the yarn tubes of the spindles and led out from the openings on the spindles. A complete braiding machine has multiple spindles that move in coordination under the action of the dial to perform the braiding work. Finally, a traction wheel pulls and collects the woven rope. If a braiding thread breaks on a spindle, and the braiding machine continues to operate, the woven rope will be substandard. Therefore, if a braiding thread breaks during operation, the machine must be stopped immediately and the broken thread spliced ​​to ensure the quality of the produced rope.

[0003] Currently, existing knitting machines have the following drawbacks:

[0004] 1. Braiding machines generally do not have the ability to automatically detect whether the braiding thread is broken during operation and to actively stop the machine when the thread is broken.

[0005] 2. If the braiding machine takes immediate emergency stop measures without brakes when the braiding thread breaks, the rope will continue to be braided for a certain length due to the inertia of the machine. Because the braiding process of this section of the rope lacks the participation of the broken braiding thread, the quality of this part of the rope will be unqualified, and in severe cases, the entire rope will be unqualified.

[0006] 3. If the machine is stopped by emergency stop when the braided yarn breaks, it will cause impact damage to the gears and sprockets, reducing the service life of the braiding machine.

[0007] Therefore, industry desires a method that allows braiding machines to quickly stop working when the braided yarn breaks without subjecting the gears, sprockets, and chains to excessive loads, and to provide an alert on the broken spindle, thereby improving production efficiency. Summary of the Invention

[0008] The purpose of this invention is to provide a hydraulically driven braiding machine yarn breakage detection and braking protection device, which has the functions of yarn breakage detection, deceleration and emergency stop, and avoidance of impact damage.

[0009] The idea behind this invention is to add two rollers between the two holes for the lead-out and lead-out of the spindle. One of the rollers is connected to a guide rail by a spring. When the braided thread breaks, the roller connected to the spring loses its constraint and reaches the limit at the end of the guide rail, triggering a brake signal and illuminating a warning light.

[0010] After the electrical signal is triggered, the solenoid valve in the hydraulic circuit where the hydraulic cylinder is located is energized, switching from the left position to the right position. The hydraulic cylinder piston rod extends, causing the hydraulic cylinder push plate and the clutch pressure plate to extend. The clutch disengages, and the hydraulic motor no longer has a transmission relationship with the subsequent gears.

[0011] When the electromagnet in the braking section is energized, it pushes the brake pads to directly contact the reduction disc fixed on the shaft, causing friction and deceleration of the gears. The counterweight ball rotates synchronously with the intermediate wheel. The faster the speed, the greater the centrifugal force, thereby controlling the position of the annular guide rail in the vertical direction. The eccentric clamp directly connected to the annular guide rail moves with the annular guide rail, changing the degree of pressure on the brake pads, so that the slower the speed, the greater the friction until it stops.

[0012] To achieve the above-mentioned objectives, the specific technical solution adopted by the present invention is as follows: a hydraulically driven braiding machine yarn breakage detection and braking protection device, comprising a spindle, a dial, a transmission sprocket, a chain, a hydraulic motor base, and a hydraulic motor on the braiding machine. The spindle includes a limiting guide rail and a lower roller. An upper roller, a spring, and a connecting seat are provided on the limiting guide rail. A yarn breakage detector is provided at the extreme position at the end of the limiting guide rail. During operation, the braiding thread passes through the middle of the upper roller and the lower roller. Under the action of the spring, the connecting seat, and the braiding thread, the upper roller is in the middle position of the limiting guide rail. When the braiding thread breaks, the upper roller moves to the extreme position at the end of the limiting guide rail under the action of the spring and the connecting seat, triggering an electrical signal from the yarn breakage detector.

[0013] It also includes a centrifugal force reduction mechanism and a multi-plate clutch. The hydraulic motor and the multi-plate clutch are connected by a coupling. An intermediate gear and a bevel gear are provided between the centrifugal force reduction mechanism and the multi-plate clutch. A reduction disc is provided inside the centrifugal force reduction mechanism. The reduction disc rotates synchronously with the intermediate gear and the sprocket. Hydraulic cylinders are also provided on both sides of the hydraulic motor base. When the wire breakage detection electrical signal is triggered, the hydraulic cylinder can drive the multi-plate clutch to a non-linkage disengaged state. At the same time, the reduction disc, under the action of friction, decelerates and stops the intermediate gear and the transmission sprocket.

[0014] Furthermore, the spindle also includes an upper outlet, a lower inlet, a warning light, a spindle base, a spindle body, and a yarn tube. The spindle base is connected to the spindle body by bolts. The spindle base is locked in the groove of the dial and installed in the annular groove of the upper base plate below the spindle base, driving the slider to move along the annular groove in a certain regular pattern. The yarn is wound on the yarn tube, introduced through the lower inlet on the side of the spindle base, pressed on the upper roller and the lower roller, and led out from the upper outlet above the spindle base.

[0015] Furthermore, the centrifugal force deceleration mechanism includes a shaft end retaining ring, a chain, a counterweight ball, a guide rail slider, an annular guide rail, a guide rail base, an electromagnet, a deceleration disc, a brake pad limit bracket, a spring, a telescopic rod, three layers of brake pads, a long-handled eccentric clamp, and a clamp base. The shaft end retaining ring is fixed on the shaft, and its two sides are connected to the counterweight ball by chains. The shaft end retaining ring rotates synchronously with the intermediate gear, sprocket, and shaft, driving the counterweight balls on both sides to rotate. The greater the speed of the intermediate gear and sprocket, the greater the centrifugal force when the counterweight ball rotates. The counterweight ball is connected to the guide rail slider by a chain. Under the action of centrifugal force when the counterweight ball rotates, the annular guide rail moves upward along the guide post on it.

[0016] Furthermore, a long-handled eccentric clamp is bolted to the bottom of the annular guide rail. The rotation center of the other end of the long-handled eccentric clamp is locked on the clamp base. The clamp base is fixed to the bottom of the top layer of the three-layer brake pads by a threaded connection.

[0017] Furthermore, the multi-plate clutch includes a pressure plate, a splined shaft, a first connecting member, a second connecting member, a clutch front cover, loose plates, brake pads, a clutch rear cover, and an input shaft; the inner ring shape of the loose plates inside the multi-plate clutch matches the splined shaft and rotates synchronously with the splined shaft, and the inner diameter of the brake pad is a circle slightly larger than the outer diameter of the splined shaft.

[0018] Furthermore, it also includes bearings, a lower base plate, a profile base frame, and an upper base plate. The hydraulic motor is fixed to the hydraulic motor base with bolts, and the hydraulic motor base is fixed to the lower base plate with bolts. The output shaft of the hydraulic motor is connected to the clutch rear cover and input shaft of the multi-plate clutch through a coupling.

[0019] The present invention also proposes a braiding machine, including a hydraulically driven braiding machine yarn breakage detection and brake protection device.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. Two rollers were added between the two holes for the lead-out and lead-out of the spindle. One of the rollers is connected to the guide rail by a spring. When the braided thread breaks, the roller connected by the spring loses its constraint and reaches the limit at the end of the guide rail, triggering a brake signal and illuminating a warning light. This enables the braiding machine to detect and alarm when the thread breaks, allowing operators to handle the situation promptly.

[0022] 2. A clutch was added to the intermediate link between the hydraulic motor and the gear, so that after the electrical signal is triggered by a wire break, the hydraulic motor can disconnect immediately and stop outputting power to the subsequent parts, which facilitates the braking action.

[0023] 3. A three-layer reducer is used in the intermediate gear section of the gear transmission. Each layer of the reducer is constrained by a telescopic rod and a spring, which plays a role in buffering and assisting deceleration during braking.

[0024] 4. The braking and deceleration section uses counterweight balls, sliders, and guide rails. By utilizing centrifugal force, the clamping force of the brake pads decreases as the rotational speed increases, resulting in a smaller braking force. Conversely, the clamping force of the brake pads increases as the rotational speed decreases, resulting in a larger braking force. This achieves the effect of gradually increasing braking force from the start of braking to complete stop of the knitting machine. It also achieves the effect of smaller braking force when the gear speed of the knitting machine is high (at the moment of braking start), effectively avoiding large braking impact forces.

[0025] 5. The centrifugal force reduction mechanism uses a push-pull electromagnet as its power source, which facilitates deceleration, emergency stopping, and resetting. The clutch uses a hydraulic cylinder as its constraint force source, providing better stability during long-term operation. Attached Figure Description

[0026] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0027] Figure 1 This is a structural diagram of the main body of the present invention;

[0028] Figure 2 This is a diagram of the spindle structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the working state of the spindle of the present invention;

[0030] Figure 4 This is a structural diagram of the multi-plate clutch of the present invention;

[0031] Figure 5 This is a connection diagram of the hydraulic cylinder and clutch of the present invention;

[0032] Figure 6 This is a structural diagram of the centrifugal force deceleration mechanism of the present invention;

[0033] Figure 7 This is a structural diagram of the brake pads and limiting frame at the centrifugal force deceleration mechanism of the present invention;

[0034] Figure 8 This is a structural diagram of the hydraulic motor base of the present invention;

[0035] Figure 9 This is a diagram of the gear and sprocket transmission route of the present invention;

[0036] Figure 10 This is a hydraulic schematic diagram of the present invention.

[0037] The attached figures are labeled as follows:

[0038] 1. Spindle; 011. Upper outlet; 012. Upper roller; 013. Spring and connecting seat; 014. Limiting guide rail; 015. Lower roller; 016. Lower inlet; 017. Warning light; 018. Nail base; 019. Nail body; 0110. Yarn tube;

[0039] 2. Dial;

[0040] 3. Drive sprocket; 31. Sprocket; 32. Sprocket; 33. Sprocket; 34. Sprocket; 35. Sprocket; 36. Sprocket;

[0041] 4. Chain;

[0042] 5. Bearings;

[0043] 6. Bottom plate;

[0044] 7. Profile base frame;

[0045] 8. Centrifugal force reduction mechanism; 81. Shaft end retaining ring; 82. First chain; 83. Counterweight ball; 84. Guide rail slider; 85. Circular guide rail; 86. Guide rail base; 87. Electromagnet; 88. Reduction disc; 89. Brake pad limit bracket; 810. Spring; 811. Telescopic rod; 812. Three-layer brake pad; 813. Long-handled eccentric clamp; 814. Clamp base;

[0046] 9. Intermediate gear; 91. First intermediate gear; 92. Second intermediate gear;

[0047] 10. Bevel gear; 101. First bevel gear; 102. Second bevel gear.

[0048] 11. Hydraulic cylinder; 111. Hydraulic cylinder push plate; 112. Thrust ball bearing;

[0049] 12. Hydraulic motor base;

[0050] 13. Multi-plate clutch; 131. Pressure plate; 132. Splined shaft; 133. First connecting piece; 134. Second connecting piece; 135. Clutch front cover; 136. Loose discs; 137. Brake pads; 138. Clutch rear cover and input shaft;

[0051] 14. Couplings;

[0052] 15. Hydraulic motor;

[0053] 16. Place the base plate. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0055] The present invention will be described in detail below with reference to specific embodiments.

[0056] Reference Figure 1 This invention proposes a yarn breakage detection and brake protection device for a braiding machine, specifically including a spindle 1, a dial 2, a transmission sprocket 3, a chain 4, a bearing 5, a lower base plate 6, a profile base frame 7, a centrifugal force reduction mechanism 8, an intermediate gear 9, a bevel gear 10, a hydraulic cylinder 11, a hydraulic motor base 12, a multi-plate clutch 13, a coupling 14, a hydraulic motor 15, and an upper base plate 16.

[0057] Reference Figure 2 and Figure 3 The spindle 1 consists of an upper outlet 011, an upper roller 012, a spring and connecting seat 013, a limiting guide rail 014, a lower roller 015, a lower inlet 016, a warning light 017, a spindle base 018, a spindle body 019, and a yarn tube 0110. The spindle base 018 is connected to the spindle body 019 by bolts. The spindle base 018 is engaged in the groove of the dial 2, and its lower part is installed in the annular groove of the upper base plate 016, driving the slider to move along the annular groove in a certain regular pattern. This cycle repeats continuously, driving the spindle 1 to perform spinning operations. The yarn is wound on the yarn tube 0110, introduced through the lower inlet 016 on the side of the spindle base 018, pressed against the upper roller 012 and lower roller 015, and led out from the upper outlet 011 above the spindle base. When the braiding machine is working normally, the braiding thread passes between the upper roller 012 and the lower roller 015. The upper roller 012 is in the middle position of the guide rail under the action of the spring, the connecting seat 013 and the braiding thread. When the braiding thread breaks during operation, the upper roller 012 moves to the limit position at the end of the limit guide rail 014 under the action of the spring and the connecting seat 013, triggering the wire breakage detection electrical signal. The warning light 017 lights up to indicate that the wire is broken at the spindle.

[0058] Reference Figure 6 and Figure 7The centrifugal deceleration mechanism 8 consists of a shaft end retaining ring 81, a first chain 82, a counterweight ball 83, a guide rail slider 84, a ring guide rail 85, a guide rail base 86, an electromagnet 87, a deceleration disc 88, a brake pad limiter 89, a spring 810, a telescopic rod 811, three layers of brake pads 812, a long-handled eccentric clamp 813, and a clamp base 814. The deceleration disc 88 is fixed to the shaft and rotates synchronously with the intermediate gear 9, sprocket 3, and shaft. When the electrical signal for wire breakage detection is not triggered, the electromagnet 87 drives the brake pad limiter 89 to move the three layers of brake pads 812 away from the deceleration disc 88, while the intermediate gear 9 and sprocket 3 rotate normally. When the electrical signal for wire breakage detection is triggered, the electromagnet 87 drives the brake pad limiter 89 to move downwards along the shaft, causing the bottom layer of the three layers of brake pads 812 to press tightly against the deceleration disc 88, thus decelerating the intermediate gear 9 and sprocket 3 under the action of friction. The centrifugal deceleration mechanism 8 needs to achieve the following deceleration function: the higher the rotational speed of the intermediate gear 9 and sprocket 3, the smaller the deceleration degree, until the intermediate gear 9 and sprocket 3 stop rotating. The shaft end retaining ring 81 is fixed to the shaft, and its two sides are connected to the counterweight balls 83 by the first chain 82. The shaft end retaining ring 81 rotates synchronously with the intermediate gear 9, sprocket 3, and shaft, driving the counterweight balls 83 on both sides to rotate. The higher the rotational speed of the intermediate gear 9 and sprocket 3, the greater the centrifugal force when the counterweight balls 83 rotate. The counterweight balls 83 are connected to the guide rail slider 84 by the first chain 82. Under the action of the centrifugal force when the counterweight balls 83 rotate, the annular guide rail 85 moves upward along the guide posts on it. A long-handled eccentric clamp 813 is bolted to the bottom of the annular guide rail 85. The rotation center of the other end of the long-handled eccentric clamp 813 is locked onto the clamp base 814. The clamp base 814 is fixed to the bottom of the uppermost layer of the three-layer brake pads 812 by a threaded connection. After the electrical signal for wire breakage detection is triggered, the electromagnet 87 drives the brake pad limit bracket 89 to move axially downwards, causing the bottom layer of the three-layer brake pads 812 to press against the reduction disc 88 to begin braking. Before braking begins, the speed of the counterweight ball 83 is the same as that of the intermediate gear 9 and the sprocket 3, both at their maximum normal operating speed. The centrifugal force caused by the rotation of the counterweight ball 83 is at its maximum, which drives the guide rail slider 84 and the annular guide rail 85 to their highest positions. When the bottom layer of the three-layer brake pads 812 begins to contact the reduction disc 88, the speed of the intermediate gear 9 and the sprocket 3 begins to decrease, and the counterweight... As the rotational speed of ball 83 decreases, the centrifugal force decreases, and the positions of guide rail slider 84 and annular guide rail 85 begin to move downward, causing the end of the long handle of long-handled eccentric clamp 813 to move downward, causing the eccentric disc at the other end of long-handled eccentric clamp 813 to rotate. The uppermost layer of the three-layer brake pads 812 remains stationary under the action of brake pad limit bracket 89 and electromagnet 87, while the second layer of the three-layer brake pads 812 moves downward under the pressure of the rotating eccentric disc of long-handled eccentric clamp 813. The lowermost layer of the three-layer brake pads 812 is then pressed by spring 810, increasing friction and thus increasing the degree of deceleration.The faster the intermediate gear 9 and sprocket 3 rotate, the greater the deceleration, achieving the effect of gradually increasing braking force from the start of braking and avoiding large braking impact forces.

[0059] Reference Figure 4 and Figure 5 The main structure of the multi-plate clutch 13 includes: pressure plate 131, splined shaft 132, first connecting piece 133, second connecting piece 134, clutch front cover 135, loose plates 136, brake pads 137, clutch rear cover, and input shaft 138. The inner ring shape of the loose plates 136 inside the multi-plate clutch 13 matches the splined shaft 132 and rotates synchronously with it. The inner ring of the brake pads 137 is a circle slightly larger than the outer diameter of the splined shaft 132 and does not rotate synchronously with it. The process of the multi-plate clutch 13 from compression to disengagement after triggering the electrical signal for wire breakage detection is as follows: When the electrical signal for wire breakage detection is not triggered, the multi-plate clutch 13 is in the compression state, and the hydraulic cylinders 11 on both sides of the hydraulic motor base 12 are in the retracted state, which drives the hydraulic cylinder push plate 111 to press the thrust ball bearing 112 and the pressure plate 131, so that the first connecting member 133 and the second connecting member 134 bend and compress the loose plate 136 and the brake plate 137 to contact and generate friction and rotate synchronously, so that the rotation of the clutch rear cover and the input shaft 138 can be transmitted to the spline shaft 132. The hydraulic cylinder push plate 111 and the hydraulic cylinder 11 are connected by threads. After the electrical signal for wire breakage detection is triggered, the piston rod of the hydraulic cylinder 11 extends, causing the hydraulic cylinder push plate 111 and pressure plate 131 to move outward, thereby causing the first connecting piece 133 and the second connecting piece 134 to move outward. This causes the loose plates 136 inside the multi-plate clutch 13 to separate from the brake pads 137 and no longer contact each other, nor to rotate synchronously. Ultimately, the transmission relationship between the clutch rear cover, the input shaft 138, and the spline shaft 132 is broken, and the rotation of the hydraulic motor 15 is no longer transmitted to the subsequent gears and chain, facilitating deceleration and emergency stop.

[0060] Reference Figure 8 The hydraulic motor 15 is bolted to the hydraulic motor base 12, which is bolted to the lower base plate 6. The output shaft of the hydraulic motor 15 is connected to the clutch rear cover and input shaft 138 of the multi-plate clutch 13 via a coupling 14.

[0061] Reference Figure 1 and Figure 9The bottom layer of the invention consists of a sprocket and gear transmission part. Its transmission route and transmission method are described as follows: When the electrical signal for wire breakage detection is not triggered, the hydraulic cylinder 11 drives the multi-plate clutch 13 to close. The output shaft of the hydraulic motor 15 is connected to the input shaft of the multi-plate clutch 13 via the coupling 14. The output shaft of the multi-plate clutch 13 is connected to the second bevel gear 102 via a key connection. The second bevel gear 102 and the first bevel gear 101 mesh with each other. The first bevel gear 101 and the second intermediate gear 92 rotate synchronously on the same shaft. The second intermediate gear 92 and the first intermediate gear 91 mesh with each other. The first intermediate gear 91 and the sprocket 36 rotate synchronously on the same shaft. The sprockets 31, 32, 33, 34, 35, and 36 are driven by the chain 4. The sprockets 32, 33, 34, and 35 drive the shafts on which they are located to rotate, thereby driving the upper dial 2 to rotate. The sprocket 31 plays the role of improving the chain transmission route.

[0062] The present invention also proposes a braiding machine, including the aforementioned braiding machine yarn breakage detection and brake protection device. The specific structure of the braiding machine yarn breakage detection and brake protection device is as described in the above embodiments. Since the present braiding machine adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hydraulically driven braiding machine yarn breakage detection and brake protection device, comprising a spindle (1), a dial (2), a transmission sprocket (3), a chain (4) on the braiding machine, a hydraulic motor base (12), and a hydraulic motor (15), characterized in that, The spindle (1) includes a limiting guide rail (014) and a lower roller (015). The limiting guide rail (014) is provided with an upper roller (012), a spring, and a connecting seat (013). A wire breakage detector is provided at the extreme position of the end of the limiting guide rail (014). The wire breakage detector is used to detect when the upper roller (012) moves to the extreme position of the end of the limiting guide rail (014) when the braided thread breaks. It also includes a centrifugal deceleration mechanism (8) and a multi-plate clutch (13). The hydraulic motor (15) and the multi-plate clutch (13) are connected by a coupling (14). An intermediate gear (9) and a bevel gear (10) are provided between the centrifugal deceleration mechanism (8) and the multi-plate clutch (13). A deceleration disc (88) is provided inside the centrifugal deceleration mechanism (8). The deceleration disc (88) rotates synchronously with the intermediate gear (9) and the transmission sprocket (3). The deceleration disc (88) decelerates and stops the intermediate gear (9) and the transmission sprocket (3) under the action of friction. Hydraulic cylinders (11) are also provided on both sides of the hydraulic motor base (12). The hydraulic cylinders (11) provide driving force for the separation or closing of the multi-plate clutch (13). The centrifugal deceleration mechanism (8) includes a shaft end retaining ring (81), a first chain (82), a counterweight ball (83), a guide rail slider (84), an annular guide rail (85), a guide rail base (86), an electromagnet (87), a deceleration disc (88), a brake pad limit bracket (89), a spring (810), a telescopic rod (811), a three-layer brake pad (812), a long-handled eccentric clamp (813), and a clamp base (814). The shaft end retaining ring (81) is fixed on the shaft, and its two sides are connected to the counterweight ball (83) by the first chain (82). The shaft end retaining ring (81) rotates synchronously with the intermediate gear (9), the transmission sprocket (3), and the shaft, and drives the counterweight balls (83) on both sides to rotate.

2. The hydraulically driven braiding machine yarn breakage detection and brake protection device according to claim 1, characterized in that, The spindle (1) also includes an upper outlet (011), a lower inlet (016), an alarm light (017), a spindle base (018), a spindle body (019), and a yarn tube (0110). The spindle base (018) is connected to the spindle body (019) by bolts. The spindle base (018) is locked in the groove of the dial (2). The spindle base (018) is installed in the annular groove of the upper base plate (16) below.

3. The hydraulically driven braiding machine yarn breakage detection and brake protection device according to claim 2, characterized in that, The annular guide rail (85) is bolted to a long-handled eccentric clamp (813). The rotation center of the other end of the long-handled eccentric clamp (813) is locked on the clamp base (814). The clamp base (814) is fixed to the bottom of the uppermost layer of the three-layer brake pads (812) by a threaded connection.

4. The hydraulically driven braiding machine yarn breakage detection and brake protection device according to claim 1, characterized in that, The multi-plate clutch (13) includes a pressure plate (131), a splined shaft (132), a first connector (133), a second connector (134), a clutch front cover (135), loose plates (136), brake pads (137), a clutch rear cover, and an input shaft (138). The inner ring shape of the loose plates (136) inside the multi-plate clutch (13) matches the splined shaft (132) and rotates synchronously with the splined shaft (132). The inner diameter of the brake pads (137) is a circle that is slightly larger than the outer diameter of the splined shaft (132).

5. A hydraulically driven braiding machine yarn breakage detection and braking protection device according to any one of claims 1-4, characterized in that, The device also includes a bearing (5), a lower base plate (6), a profile base frame (7), and an upper base plate (16).

6. A hydraulically driven braiding machine yarn breakage detection and brake protection device according to claim 5, characterized in that, The hydraulic motor (15) is fixed to the hydraulic motor base (12) with bolts. The hydraulic motor base (12) is fixed to the lower base plate (6) with bolts. The output shaft of the hydraulic motor (15) is connected to the clutch rear cover and input shaft (138) of the multi-plate clutch (13) through a coupling (14).

7. A weaving machine, characterized in that: A braiding machine comprising a hydraulically driven braiding machine yarn breakage detection and brake protection device as described in any one of claims 1 to 6.

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