Transfer connecting mechanism and transfer control method for silk vehicle in chemical fiber industry

Abstract

The invention relates to the technical field of industrial material carrying and automatic traction equipment, and discloses a chemical fiber industry silk vehicle transfer connecting mechanism and a transfer control method. The first end of the main beam assembly is provided with a first connecting assembly used for being connected with traction equipment, and a steering hinge assembly is arranged between the second end of the main beam assembly and the second connecting assembly so that the main beam assembly and the second connecting assembly can rotate relatively. The main beam assembly is further provided with an angle locking and adjusting mechanism, and the angle locking and adjusting mechanism is provided with two movable limiting pieces capable of doing reciprocating motion in the axial direction of the main beam assembly. When the movable limiting piece extends out, the two assemblies are locked to be in a rigid state, and it is ensured that the mousing hook is accurately connected in a butt joint mode; and during retraction, the avoiding gap is released to allow relative rotation, and the maximum steering angle of the dragged equipment is dynamically limited, so that free switching between rigid butt joint and flexible limiting traction is realized, and vehicle pinning and collision are avoided.

Description

Technical Field

[0001] This invention relates to the field of industrial material handling and automated traction equipment technology, and in particular to a fiber filament transfer connection mechanism and transfer control method for the chemical fiber industry. Background Technology

[0002] In the chemical fiber industry and similar large-scale manufacturing industries, yarn carts (or trolleys) are the core transportation tools for material flow within the factory. With the advancement of intelligent manufacturing, traditional manual trolleys are gradually being replaced by AGVs (Automated Guided Vehicles) or unmanned forklifts and other traction equipment.

[0003] Existing traction equipment mostly uses traditional flexible articulated hooks or towing ropes. When AGVs reverse and dock, the connection end swings freely for a large amount, which easily leads to misalignment and failure to accurately engage with the stress point of the yarn car chassis. This results in a low docking success rate and a high risk of slippage and disengagement during initial traction. If the connection is changed to a purely rigid fixed joint to solve the sway problem, the tractor and the yarn car will become one, losing the freedom of turning. Driving in narrow passages will inevitably lead to "collision" or even chassis tearing. When using a completely free flexible articulation, due to the lack of an effective physical intervention mechanism for the steering angle, when driving on curves, braking suddenly, or encountering bumps, the huge weight and inertia of a fully loaded yarn car can easily cause the following vehicle to sway uncontrollably and excessively, leading to serious safety accidents such as "folding" of the front and rear vehicles, collision with the rack, or rollover. Therefore, a yarn car transfer and connection mechanism for the chemical fiber industry is proposed to solve the above problems. Summary of the Invention

[0004] To overcome the above deficiencies, the present invention provides a yarn transfer connection mechanism and transfer control method for the chemical fiber industry, aiming to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A fiber filament transfer connection mechanism includes a main beam assembly and a second connection assembly for connecting to a traction device. The first end of the main beam assembly is provided with a first connection assembly for connecting to the traction device, and a steering hinge assembly is provided between the second end of the main beam assembly and the second connection assembly so that the two can rotate relative to each other. The main beam assembly is also provided with an angle locking and adjustment mechanism, which has two movable limiting members that can reciprocate along the axial direction of the main beam assembly. When the two movable limiting members extend towards the second connecting assembly to the first station, they abut against the second connecting assembly and lock the relative angle between them. When the two movable limiting members retract away from the second connecting assembly to the second station, they are used to limit the maximum limit angle of rotation of the second connecting assembly relative to the main beam assembly.

[0006] Preferably, the angle locking and adjustment mechanism includes a linear drive source and a transmission assembly. The linear drive source is fixed on the main beam assembly, and its output end is connected to the transmission assembly to drive the transmission assembly to perform linear motion. The two movable limiting members are symmetrically arranged on both sides of the transmission assembly near one end of the second connecting assembly. Each movable limiting member includes at least one locking component, which is a bearing or roller structure.

[0007] Preferably, the transmission assembly has two support shafts on both sides near the end of the second connecting assembly, the locking component is sleeved on the corresponding support shaft, and the support shaft has an axial limiting structure on its outside, the axial limiting structure being used to abut against the inner ring or non-rolling engagement part of the locking component.

[0008] Preferably, a linear guide structure is further provided between the transmission assembly and the main beam assembly. The linear guide structure includes at least one guide protrusion disposed on one of the transmission assembly and the main beam assembly, and a guide rail disposed on the other, wherein the guide protrusion and the guide rail are slidably engaged.

[0009] Preferably, the first connecting assembly includes a connecting base fixed to the first end of the main beam assembly, the connecting base having at least one limiting part, the limiting part cooperating with the connecting base to form a limiting mounting cavity for accommodating the connecting end of the traction device; the first connecting assembly further includes at least one locking component, the locking component being adjustablely inserted through the connecting base and extending into the limiting mounting cavity.

[0010] Preferably, the steering hinge assembly includes a pivot shaft and a bearing assembly. The pivot shaft is fixed to one of the main beam assembly and the second connecting assembly, and the bearing assembly is disposed on the other. The pivot shaft is inserted into the bearing assembly.

[0011] Preferably, the bearing assembly includes a bearing housing and at least one bearing installed in the bearing housing. The inner wall of the bearing housing is provided with a limiting inner shoulder surface, and the interior of the bearing housing is also provided with at least one anti-disengagement limiting member. The limiting inner shoulder surface and the anti-disengagement limiting member respectively limit and fix the bearing from both ends in the axial direction.

[0012] Preferably, the second connecting component includes a docking base plate, which has at least one receiving groove for receiving the chassis component of the towed equipment, and the opening edge of the receiving groove is integrally formed or connected with an outwardly extending guide surface structure.

[0013] Preferably, when the two movable limiting members are in the first working position, the transverse centerline of the second connecting component and the longitudinal axis of the main beam component are locked in a perpendicular state, corresponding to the docking before traction and the disengagement after traction; when the two movable limiting members are in the second working position, the maximum steering angle of the traction equipment during the travel process is controlled by adjusting the distance between the movable limiting members and the second connecting component.

[0014] This invention provides a yarn transfer connection mechanism and transfer control method for the chemical fiber industry. It has the following beneficial effects: 1. In this invention, during the pre-traction docking and post-traction disengagement stages, the linear drive source drives the movable limiting member to extend to the first station and abut against the second connecting component, forcibly locking the mechanism into a vertical rigid state, ensuring precise alignment and preventing offset and slippage during docking; during the turning stage, the movable limiting member retracts to the second station to release the clearance, allowing the main beam assembly and the second connecting component to rotate relative to each other by relying on the steering hinge assembly. At the same time, by using the movable limiting member as a physical boundary and adjusting the clearance, the maximum limit steering angle of the wire car is dynamically limited, effectively avoiding folding, collision, or obstruction during cornering.

[0015] 2. In this invention, for the heavy-load and uneven road conditions of yarn carts in chemical fiber plants, a rotating shaft and bearing assembly are inserted and matched to convert hard sliding friction into rolling friction, which greatly reduces the steering resistance under heavy load. The inner shoulder surface provides a solid foundation to resist heavy pressure and downward impact. The anti-detachment limiting component locks the upward rebound force, eliminates the axial clearance caused by severe bumps, and prevents the rotating shaft from coming off. Combined with the rolling abutment design of the locking component, mechanical wear is greatly reduced, taking into account both safety and stability and the convenience of later pull-out maintenance.

[0016] 3. In this invention, the existing equipment of the user is fully utilized. The main beam assembly can be quickly and securely mounted on any existing AGV forklift through the first connecting component, eliminating gaps and preventing loosening. The receiving groove edge of the second connecting component is provided with a guiding surface structure, which uses a physical inclined surface to play a funnel guiding role. When there is a slight alignment deviation, it can automatically guide the chassis components, which significantly improves the docking success rate. Attached Figure Description

[0017] Figure 1 This is a perspective view of a fiber transfer and connection mechanism for the chemical fiber industry proposed in this invention. Figure 2 This is a schematic diagram of the main beam assembly of a yarn cart transfer and connection mechanism for the chemical fiber industry proposed in this invention; Figure 3 This is a schematic diagram of the movable limiting component of a yarn transfer and connection mechanism for the chemical fiber industry proposed in this invention; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 This is a schematic diagram of the steering hinge assembly of a yarn transfer connection mechanism for the chemical fiber industry proposed in this invention. Figure 6 This is a schematic diagram of the structure of Embodiment 2 proposed in this invention; Figure 7 for Figure 6 A partial structural diagram.

[0018] The components include: 1. Main beam assembly; 2. Angle locking and adjustment mechanism; 21. Movable limiting component; 211. Locking component; 22. Linear drive source; 23. Transmission assembly; 24. Guide protrusion; 25. Guide rail; 26. Support shaft; 3. First connecting assembly; 31. Connecting base; 32. Limiting part; 33. Locking component; 4. Steering hinge assembly; 41. Bearing assembly; 411. Bearing seat; 412. Bearing; 413. Limiting inner shoulder surface; 414. Anti-detachment limiting component; 42. Rotating shaft component; 5. Second connecting assembly; 51. Docking base plate; 52. Receiving groove; 53. Guide surface structure. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] The following is in conjunction with the appendix Figure 1 - Appendix Figure 5 The present invention will be further described in detail below.

[0021] Example 1, referring to Figure 1 and Figure 2 This invention provides a yarn cart transfer connection mechanism for the chemical fiber industry, including a main beam assembly 1 and a second connecting assembly 5 for connecting with the traction equipment. The main beam assembly 1 serves as the load-bearing skeleton of the overall mechanism, ensuring tensile strength during traction. The second connecting assembly 5 is the execution end that docks with the target yarn cart, ensuring effective transmission of traction force. A first connecting assembly 3 for connecting with the traction equipment is provided at the first end of the main beam assembly 1. A steering hinge assembly 4 is provided between the second end of the main beam assembly 1 and the second connecting assembly 5, allowing the two to rotate relative to each other. The steering hinge assembly 4 plays a role in stress release and trajectory following, avoiding the blocking phenomenon caused by rigid connection when turning. The main beam assembly 1 is also equipped with an angle locking and adjustment mechanism 2, which has two movable limiting members 21 that can reciprocate along the axial direction of the main beam assembly 1. When the two movable limiting members 21 extend towards the second connecting assembly 5 to the first station, they abut against the second connecting assembly 5 and lock the relative angle between them. When the two movable limiting members 21 retract away from the second connecting assembly 5 to the second station, they are used to limit the maximum limit angle of rotation of the second connecting assembly 5 relative to the main beam assembly 1. This mechanism, by changing the physical interference position, realizes the free switching between two modes of straight rigid docking and curved flexible angle limiting of the same equipment, improving traction stability and safety. When the two movable limiting members 21 are in the first station, the transverse centerline of the second connecting assembly 5 and the longitudinal axis of the main beam assembly 1 are locked in a perpendicular state, corresponding to the docking before traction and the disengagement after traction. When the two movable limiting members 21 are in the second station, the maximum turning angle of the traction equipment during the movement is controlled by adjusting the distance between the movable limiting members 21 and the second connecting assembly 5. Reference Figure 3 and Figure 4 The angle locking and adjustment mechanism 2 includes a linear drive source 22 and a transmission assembly 23. The linear drive source 22 is fixed on the main beam assembly 1, and its output end is connected to the transmission assembly 23 to drive the transmission assembly 23 to perform linear motion. Two movable limiting members 21 are symmetrically arranged on both sides of the transmission assembly 23 near the end of the second connecting assembly 5. The movable limiting member 21 includes at least one locking component 211. The locking component 211 is a bearing or roller structure. The transmission assembly 23 is responsible for smoothly transmitting power. By using a bearing or roller structure as the locking component 211, the sliding friction during contact is cleverly converted into rolling friction, which greatly reduces surface wear during locking and angle limiting and extends the service life of the mechanism. The transmission assembly 23 has two support shafts 26 on both sides near the end of the second connecting assembly 5. The locking component 211 is sleeved on the corresponding support shaft 26. The support shaft 26 has an axial limiting structure on its outside. The axial limiting structure is used to abut against the inner ring or non-rolling mating part of the locking component 211. The axial limiting structure can effectively resist the lateral shear force generated when turning and abutting, prevent the locking component 211 from falling off under frequent force, and ensure the reliability of the limiting function. A linear guide structure is also provided between the transmission assembly 23 and the main beam assembly 1. The linear guide structure includes at least one guide protrusion 24 on one of the transmission assembly 23 and the main beam assembly 1, and a guide rail 25 on the other. The guide protrusion 24 and the guide rail 25 are slidably engaged. This sliding guide structure can effectively counteract the radial offset force generated during the extension and retraction of the movable limiting member 21, ensuring that the locking member 211 always moves precisely in a straight line along the predetermined trajectory, and avoiding mechanical jamming. Reference Figure 1 , Figure 2 and Figure 3 The first connecting assembly 3 includes a connecting base 31 fixed to the first end of the main beam assembly 1. The connecting base 31 is provided with at least one limiting part 32. The limiting part 32 cooperates with the connecting base 31 to form a limiting mounting cavity for accommodating the connecting end of the traction equipment. The first connecting assembly 3 also includes at least one locking component 33. The locking component 33 is adjustablely inserted through the connecting base 31 and extends into the limiting mounting cavity. The limiting mounting cavity can quickly guide the AGV forklift connecting end to be inserted and initially positioned, while the locking component 33 provides secondary rigid locking, completely eliminating longitudinal and lateral gaps during the traction process and preventing the equipment from loosening and detaching. The second connecting component 5 includes a docking base plate 51, on which at least one receiving groove 52 is provided for receiving the chassis component of the traction equipment. The opening edge of the receiving groove 52 is integrally formed or connected with an outwardly extending guide surface structure 53. The guide surface structure 53 plays a funnel guiding role. When there is a slight misalignment, the physical inclined surface can automatically guide the wire car chassis component and slide it into the receiving groove 52, which significantly improves the docking success rate.

[0022] Reference Figure 1 , Figure 2 and Figure 5 The steering hinge assembly 4 includes a pivot 42 and a bearing assembly 41. The pivot 42 is fixed on one of the main beam assembly 1 and the second connecting assembly 5, and the bearing assembly 41 is disposed on the other. The pivot 42 is inserted into the bearing assembly 41. Due to the large weight and inertia of the fully loaded yarn carts in the chemical fiber plant area, the traditional pin-type hinge is prone to mechanical jamming or severe wear under heavy load traction. By using the insertion and cooperation of the pivot 42 and the bearing assembly 41, the hard sliding friction is converted into rolling friction, which greatly reduces the frictional resistance during steering and effectively avoids the vibration of the yarn cart or damage to the yarn caused by steering jamming. The bearing assembly 41 includes a bearing housing 411 and at least one bearing 412 installed within the bearing housing 411. The inner wall of the bearing housing 411 has a protruding limiting inner shoulder surface 413. The bearing housing 411 also has at least one anti-detachment limiting member 414 inside. The limiting inner shoulder surface 413 and the anti-detachment limiting member 414 respectively limit and secure the bearing 412 from both ends in the axial direction. Given the complex road conditions that may exist in the chemical fiber workshop, such as potholes, speed bumps, or ramps, the AGV tractor and the tracted yarn cart will inevitably experience vertical jumps during travel. The bearing housing 411 is subjected to dynamic and longitudinal pitching stress. At this time, the integrally formed inner shoulder surface 413 of the bearing housing 411 provides a solid unidirectional load-bearing foundation to resist heavy pressure and downward impact. The anti-disengagement limiting component 414 (such as an elastic retaining ring or locking end cap) firmly locks the upward rebound force at the other end. This not only eliminates the axial clearance of the rotating shaft 42 during operation and prevents it from axially moving or disengaging under severe bumpy road conditions, but also facilitates the later pull-out replacement of damaged bearings, taking into account both the safety and stability of the hinge and the convenience of maintenance.

[0023] A method for controlling the transfer of a yarn cart in the chemical fiber industry includes the following steps: S1. The control angle locking and adjustment mechanism 2 drives the two movable limit pieces 21 to extend towards the second connecting component 5 to the first station, so that the two movable limit pieces 21 abut against the second connecting component 5, and forcibly lock the transverse center line of the second connecting component 5 and the longitudinal axis of the main beam component 1 into a perpendicular state. S2. The traction equipment moves and adjusts its height so that the receiving groove 52 of the second connecting component 5, which is in a vertically locked state, completes the receiving engagement with the chassis component of the traction equipment. S3. Control angle locking and adjustment mechanism 2 drives two movable limit pieces 21 to retract to the second station in the direction away from the second connecting component 5, and releases the clearance between the two movable limit pieces 21 and the second connecting component 5; the traction equipment starts to move, and during the turning process, the set clearance distance is used to limit the maximum limit angle of the rotation of the second connecting component 5 relative to the main beam component 1. S4. After being pulled to the destination, the angle locking and adjustment mechanism 2 is controlled again to drive the two movable limit pieces 21 to extend to the first station, so as to relock the second connecting component 5 and the main beam component 1 to a vertical state, and the traction device is withdrawn so that the second connecting component 5 is separated from the traction device.

[0024] To ensure the efficient operation and safety of the linear drive source 22, two power supply and control schemes can be adopted: First, an independent rechargeable battery pack and wireless communication module can be integrated on the main beam assembly 1 to eliminate the wiring harness of the mechanism and facilitate independent mounting on any standard tractor; Second, a quick-connect electrical interface can be set at the first connecting assembly 3 to allow the linear drive source 22 to be directly connected to the on-board power system of the AGV forklift, and the AGV main control board can directly send extension and retraction commands to achieve a high degree of automated collaboration.

[0025] Furthermore, considering that if the linear drive source 22 is installed at the bottom of the main beam assembly 1, it is prone to bottoming out and impact when passing over ramps or bumpy roads, a downward-protruding protective baffle or anti-collision frame structure is fixed to the outer periphery of the bottom of the main beam assembly 1. The bottom surface of this protective structure is lower than the lowest point of the linear drive source 22, which can withstand the physical impact first in the event of bottoming out, providing a reliable physical barrier for the internal core drive components.

[0026] Working Principle: In its initial operation, the transfer connection mechanism of this invention first establishes a fixed connection between the first connecting component 3 on the main beam assembly 1 and the traction device (such as an AGV forklift). Specifically, the connecting end of the traction device is inserted into the limiting installation cavity formed by the connecting base 31 and the limiting part 32. Then, the locking component 33, which passes through the connecting base 31, is adjusted so that it extends into the limiting installation cavity and tightly abuts against the connecting end of the traction device, thereby achieving a secure fixation. Before preparing the traction cable, the system controls the linear drive source 22 of the angle locking and adjustment mechanism 2 to operate, driving the movable limiting component 21 to extend towards the second connecting component 5 to the first working position. At this time, the locking component 211 at the end of the movable limiting component 21 tightly abuts against the second connecting component 5, thereby forcibly locking the second connecting component 5 and the main beam assembly 1 into a strictly vertical state. In this rigidly locked state, the traction equipment moves and adjusts its height, which, together with the guide surface structure 53 on the edge of the receiving groove 52, can accurately and stably insert the wire car chassis components into the receiving groove 52, effectively avoiding offset and slippage during the docking process.

[0027] When docking is successful and traction begins, the linear drive source 22 reverses its movement, causing the movable limit member 21 to retract away from the second connecting assembly 5 to the second working position. This retraction releases the vertical lock between the two and creates a specific clearance between the movable limit member 21 and the second connecting assembly 5. During subsequent straight-line travel and curves, the main beam assembly 1 and the second connecting assembly 5 achieve smooth relative rotation via the steering hinge assembly 4, providing the mechanism with the required steering freedom. Simultaneously, this structure cleverly utilizes the set clearance so that when the rotation angle of the wire carriage reaches the set limit, the second connecting assembly 5 abuts against the movable limit member 21. The operator or control system can dynamically control the maximum steering angle of the wire carriage simply by adjusting the extension and retraction stroke of the linear drive source 22 to change the size of the clearance, thus solving the problems of easy folding, collision, or derailment during turns.

[0028] After the traction equipment successfully transfers the wire car to its destination, the system again controls the angle locking and adjustment mechanism 2 to activate, driving the movable limit member 21 to extend back to the first position, forcibly resetting and locking the relative position of the second connecting component 5 and the main beam component 1 to a vertical state. At this time, the entire connecting mechanism returns to a rigid structure, and the traction equipment only needs to lower its height or directly retract, allowing the second connecting component 5 to smoothly separate from the wire car chassis, perfectly achieving a closed-loop operation of anti-disengagement and convenient disassembly.

[0029] Based on Embodiment 1, Embodiment 2 further discloses the following: Figures 6-7 As shown, each limiting part 32 is provided with a limiting arm 6 parallel to the main beam assembly 1, and the suspended end of the limiting arm 6 is located above the rear side of the second station. The lower surface of the limiting arm 6 is flush with the upper wall of the limiting hole of the limiting part 32. On the lower surface of the limiting arm 6, there are also two sides provided with correction members 60. The correction member 60 is a sphere that is at least partially rotatably connected to the limiting arm 6. The remaining part of the sphere protrudes from the lower surface of the limiting arm 6. The fork arm of the traction device (such as an AGV forklift) first enters the limiting part 32. As it is inserted deeper, the correction member 60 of this embodiment can correct the position of the fork arm. In this way, the position of the connecting mechanism disclosed in the embodiment can be self-corrected relative to the fork arm to ensure the accuracy of the upward position of the connecting mechanism when connected with the wire car, thereby completing the precise and rapid connection between the connecting mechanism and the wire car.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 fiber filament transfer and connection mechanism, comprising a main beam assembly (1) and a second connection assembly (5) for connecting to the traction equipment, characterized in that, The first end of the main beam assembly (1) is provided with a first connecting assembly (3) for connecting with the traction device, and the second end of the main beam assembly (1) is provided with a steering hinge assembly (4) between the second end of the main beam assembly (1) and the second connecting assembly (5) so that the two can rotate relative to each other; The main beam assembly (1) is also provided with an angle locking and adjustment mechanism (2), which has two movable limiting members (21) that can reciprocate along the axial direction of the main beam assembly (1). When the two movable limiting members (21) extend towards the second connecting assembly (5) to the first station, they abut against the second connecting assembly (5) and lock the relative angle between them. When the two movable limiting members (21) retract away from the second connecting assembly (5) to the second station, they are used to limit the maximum limit angle of rotation of the second connecting assembly (5) relative to the main beam assembly (1).

2. The fiber industry yarn cart transfer and connection mechanism according to claim 1, characterized in that, The angle locking and adjustment mechanism (2) includes a linear drive source (22) and a transmission assembly (23). The linear drive source (22) is fixed on the main beam assembly (1), and its output end is connected to the transmission assembly (23) to drive the transmission assembly (23) to perform linear motion. Two movable limiting members (21) are symmetrically arranged on both sides of the transmission assembly (23) near one end of the second connecting assembly (5). Each movable limiting member (21) includes at least one locking component (211), which is a bearing or roller structure.

3. The fiber industry yarn cart transfer and connection mechanism according to claim 2, characterized in that, The transmission assembly (23) has support shafts (26) on both sides near the end of the second connecting assembly (5). The locking component (211) is sleeved on the corresponding support shaft (26). The support shaft (26) has an axial limiting structure on its outside. The axial limiting structure is used to abut against the inner ring or non-rolling mating part of the locking component (211).

4. The fiber industry yarn cart transfer and connection mechanism according to claim 2, characterized in that, The transmission assembly (23) and the main beam assembly (1) are further provided with a corresponding linear guide structure. The linear guide structure includes at least one guide protrusion (24) disposed on one of the transmission assembly (23) and the main beam assembly (1), and a guide rail (25) disposed on the other. The guide protrusion (24) and the guide rail (25) are slidably engaged.

5. The fiber industry yarn cart transfer and connection mechanism according to claim 1, characterized in that, The first connecting assembly (3) includes a connecting base (31) fixed to the first end of the main beam assembly (1). The connecting base (31) is provided with at least one limiting part (32). The limiting part (32) cooperates with the connecting base (31) to form a limiting installation cavity for accommodating the connecting end of the traction device. The first connecting assembly (3) also includes at least one locking component (33). The locking component (33) is adjustablely inserted through the connecting base (31) and extends into the limiting installation cavity.

6. The fiber industry yarn cart transfer and connection mechanism according to claim 1, characterized in that, The steering hinge assembly (4) includes a pivot (42) and a bearing assembly (41). The pivot (42) is fixed to one of the main beam assembly (1) and the second connecting assembly (5), and the bearing assembly (41) is disposed on the other. The pivot (42) is inserted into the bearing assembly (41).

7. A fiber filament transfer and connection mechanism for the chemical fiber industry according to claim 6, characterized in that, The bearing assembly (41) includes a bearing housing (411) and at least one bearing (412) installed in the bearing housing (411). The inner wall of the bearing housing (411) is provided with a limiting inner shoulder surface (413). The bearing housing (411) is also provided with at least one anti-disengagement limiting member (414). The limiting inner shoulder surface (413) and the anti-disengagement limiting member (414) respectively limit and hold the bearing (412) from both ends of the axial direction.

8. The fiber industry yarn cart transfer and connection mechanism according to claim 1, characterized in that, The second connecting component (5) includes a docking base plate (51), on which at least one receiving groove (52) for receiving the chassis component of the towed equipment is provided. The receiving groove (52) has an outwardly extending guide surface structure (53) integrally formed or connected at the opening edge.

9. A fiber filament transfer and connection mechanism for the chemical fiber industry according to claim 1, characterized in that, When the two movable limiting members (21) are in the first working position, the transverse center line of the second connecting component (5) and the longitudinal axis of the main beam component (1) are locked in a perpendicular state, corresponding to the docking before traction and the disengagement after traction; when the two movable limiting members (21) are in the second working position, the maximum turning angle of the traction equipment during the travel process is controlled by adjusting the distance between the movable limiting members (21) and the second connecting component (5).

10. A transfer control method based on the fiber industry yarn cart transfer connection mechanism according to any one of claims 1-9, characterized in that, Includes the following steps: S1. Control the angle locking and adjustment mechanism (2) to drive the two movable limiting members (21) to extend to the first station in the direction close to the second connecting component (5), so that the two movable limiting members (21) abut against the second connecting component (5) and forcibly lock the transverse center line of the second connecting component (5) and the longitudinal axis of the main beam component (1) into a perpendicular state. S2. The traction device moves and adjusts its height so that the receiving groove (52) of the second connecting component (5) in the vertically locked state completes the receiving engagement with the chassis component of the traction device; S3. Control the angle locking and adjustment mechanism (2) to drive the two movable limit members (21) to retract to the second station in the direction away from the second connecting component (5), and release the clearance between the two movable limit members (21) and the second connecting component (5); the traction device starts to move, and during the turning process, the maximum limit angle of the rotation of the second connecting component (5) relative to the main beam component (1) is limited by the set clearance distance; S4. After being pulled to the destination, the angle locking and adjustment mechanism (2) is controlled again to drive the two movable limit members (21) to extend to the first work station, and the second connecting component (5) and the main beam component (1) are locked in a vertical state again. The traction device is withdrawn so that the second connecting component (5) is separated from the traction device.

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