A bridge cable construction cable releasing device and method

Abstract

This invention relates to the field of bridge construction technology, and more particularly to a cable-laying device and method for bridge cable construction. The cable-laying device includes a chassis and a cable-laying assembly, with a support assembly on the chassis to support the cable-laying assembly. During the cable-laying operation, when the external driving angle of the cable changes horizontally or vertically, the horizontal force drives the support frame to rotate horizontally, while the vertical force drives the support plate to rotate vertically. This allows for multi-angle adjustment of the cable-laying assembly, ensuring that the angle at which the cable moves out of the assembly is closer to the angle of the external tension, reducing the probability of large deviations in the cable's movement angle causing bending or jamming, and thus making the cable laying process smoother.

Description

Technical Field

[0001] This invention relates to the field of bridge construction technology, and in particular to a cable-laying device and method for bridge cable construction. Background Technology

[0002] Cable-laying devices, such as cable-laying reels, are one of the core pieces of equipment in the construction of cable-stayed bridges and other cable-stayed bridges. Their main function is to safely, smoothly, and controllably deploy (release) cable materials such as wire ropes, strands, or high-strength steel wires, laying the foundation for subsequent traction, lifting, tensioning, and anchoring processes.

[0003] The existing cable release reel is fixed in the required position during use. When the cable is pulled, the cable release reel can only rotate at a fixed angle. Therefore, when the angle of external pulling on the cable changes, the part of the cable that slides out of the cable release reel cannot follow the angle and cannot be flexibly adjusted. This can easily cause the part of the cable that slides out of the cable release reel to bend and get stuck due to the change in angle, thus reducing the smoothness of cable release.

[0004] Therefore, it is necessary to provide a new cable-laying device for bridge cable construction to solve the above-mentioned technical problems. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides a cable-releasing device and method for bridge cable construction. The cable-releasing device can adjust the cable-releasing component at multiple angles, so that the angle at which the cable moves out of the cable-releasing component is closer to the angle of the external tension, reducing the probability of large deviations in the angle at which the cable moves out, causing the cable to bend and jam, and making the cable pulling and wiring smoother.

[0006] To achieve the above technical objectives, the present invention provides a cable-laying device for bridge cable construction. The cable-laying device includes a chassis and a cable-laying assembly. The chassis is provided with a support assembly for supporting the cable-laying assembly. The support assembly includes a support frame, which is rotatably mounted on the top of the chassis. The support frame includes two symmetrically arranged vertical side plates. A rotatably connected mounting shaft is installed on each of the two vertical side plates of the support frame. A fixedly connected support plate is installed at the opposite ends of the two mounting shafts, and a guide rail with the same annular structure is fixedly installed at the bottom end of the two support plates.

[0007] The cable release assembly is installed between two support plates of the support frame. The cable release assembly includes a support plate, which is rotatably installed in a guide rail. Multiple inner rails for positioning the cable are fixedly installed on the top of the support plate, and adapter plates are fixedly installed on the top of the multiple inner rails.

[0008] Both sides of the mounting shaft extend to the outside of the vertical side plate and are fitted with fixed connecting protrusions. A positioning component is provided at each protrusion. When the coiled cable is installed to the cable release component, the protrusion is locked by the positioning component. During the cable release process after installation, the positioning component unlocks the protrusion.

[0009] A preferred technical solution of the present invention is as follows: a guide assembly is provided above the guide rail, the guide assembly includes a mounting frame, the mounting frame is a hollow frame, and a horizontal guide roller and a vertical guide roller are rotatably mounted at both ends inside the frame. A fixed bracket is fixedly connected to the bottom of the mounting frame, and the end of the fixed bracket is fixedly connected to the outer wall of the guide rail. The end of the cable is guided by the horizontal guide roller and the vertical guide roller inside the guide assembly and then connected to an external traction component.

[0010] A preferred technical solution of the present invention: The positioning component includes an extrusion plate located directly below the protruding rod and a support plate located below the extrusion plate. One end of the support plate is fixed to the vertical side plate of the support frame. A threaded adjusting rod is inserted inside the support plate. The top end of the adjusting rod is located above the support plate and is rotatably connected to the extrusion plate. The outer walls of both the extrusion plate and the protruding rod are provided with anti-slip protrusions. The adjusting rod is a threaded rod. By rotating the adjusting rod, the extrusion plate is driven to move up and down. When the extrusion plate moves upward, its outer wall abuts against the outer wall of the protruding rod to limit the protruding rod. When the extrusion plate moves downward, it disengages from the protruding rod, releasing the limitation on the protruding rod.

[0011] A preferred technical solution of the present invention is as follows: a shielding assembly is provided above the support plate, the shielding assembly includes a top ring, the top ring is fixedly installed on the top of the two support plates, the top ring is coaxially distributed with the support plate, and a plurality of outer rails are fixedly installed at the bottom of the top ring, and the bottom end of the outer rails is fixedly connected to the top of the guide rail.

[0012] A preferred technical solution of the present invention: The guide assembly further includes an upper fixed half-ring and a lower movable half-ring, which are symmetrically distributed in the mounting frame. An upper adapter rod is fixedly installed on the top of the upper fixed half-ring, and the top end of the upper adapter rod is fixedly connected to the top of the mounting frame. A lower adapter rod is fixedly installed on the bottom of the lower movable half-ring. A plurality of symmetrically distributed hydraulic cylinders are fixedly installed on the top of the guide rail. The top end of the plurality of hydraulic cylinders is fixedly installed with the same extrusion ring. An adapter frame is fixedly installed on the side wall of the extrusion ring. The position of the adapter frame is opposite to the position of the lower movable half-ring, and the top end of the adapter frame is fixedly connected to the bottom end of the lower adapter rod.

[0013] A preferred technical solution of the present invention is as follows: a guide rod is fixedly connected to the bottom of the extrusion plate, the bottom end of the guide rod passes through the corresponding support plate, and the support plate has a through hole that is slidably connected to the outer wall of the guide rod; the bottom end of the adjusting rod is provided with an adjusting handle, and the adjusting rod is moved up and down along the support plate by rotating the adjusting handle; the length of the guide rod is greater than the adjusting length of the adjusting rod.

[0014] A preferred technical solution of the present invention is as follows: Multiple sets of slidingly connected limiting rods are inserted inside the top ring. A gripping frame is fixedly installed at the end of each limiting rod located on the outer side of the top ring. A magnetic plate is fixedly installed on the outer wall of the gripping frame, and the outer wall of the magnetic plate abuts against and attracts the outer wall of the top ring. The shielding assembly also includes a central disk. The bottom of the central disk is rotatably connected to the top of the adapter disk. Multiple sets of evenly distributed limiting holes are opened on the side wall of the central disk, and the inner wall of each limiting hole abuts against the end of the corresponding limiting rod.

[0015] A preferred technical solution of the present invention is as follows: a plurality of ring-shaped support rods are fixedly installed on the outer side of the top of the support plate, and the top of the plurality of support rods is fixedly installed with the same fixing ring. The position of the fixing ring is opposite to the position of the extrusion ring, and the bottom of the fixing ring and the top of the extrusion ring are provided with anti-slip protrusions.

[0016] The present invention also provides a method for cable laying in bridge cable construction, the method using the above-mentioned cable laying device for bridge cable construction, specifically including the following steps:

[0017] Step 1: Move the cable release device to the desired position, lock the protruding rod using the positioning component, and place the coiled cable inside the cable release component;

[0018] Step 2: After placing the cable, untie the coiled cable, move one end of the cable into the mounting frame of the positioning component, and move its end outward so that the end of the cable is outside the cable release component, so that the workers can connect the external traction component to the end of the cable.

[0019] Step 3: After fixing the end of the cable to the traction component, release the limit on the protruding rod, so that the mounting shaft at the end of the protruding rod can smoothly drive the cable release assembly to rotate, thereby adjusting the vertical angle when the cable moves outward.

[0020] Step 4: When the external traction component pulls the end of the cable, the guide component guides the moving cable, thereby reducing the probability of damage to the outer wall of the cable caused by friction during cable release.

[0021] Step 5: During the cable release process, when the external traction force pulling the cable changes horizontally, the driving force acts on the cable release assembly and the support assembly, causing the support frame to rotate on the chassis, thereby changing the horizontal angle of the cable as it moves outward.

[0022] Step Six: When a brief stop is required during the cable release process, control the hydraulic cylinder to move the lower movable half-ring. The lower movable half-ring and the upper fixed half-ring squeeze and position the cable to prevent the cable from becoming continuously slack due to the rotational inertia during the pause, which would cause the tangled cable to become disordered and affect the smoothness of subsequent cable release, thus achieving stable use of this device.

[0023] A preferred technical solution of the present invention: The rope-releasing device further includes a shielding component, which includes a top ring and a central disc. The top ring is fixedly installed on the top of two support plates and is coaxially distributed with the support disc. Multiple sets of slidingly connected limiting rods are inserted inside the top ring. The bottom of the central disc is rotatably connected to the top of the adapter plate. Multiple sets of evenly distributed limiting holes are opened on the side wall of the central disc. The inner wall of the limiting hole abuts against the end of the corresponding limiting rod. Multiple annularly distributed support rods are fixedly installed on the outer side of the top of the support disc. The top of the multiple support rods is fixedly installed with the same fixing ring. The position of the fixing ring is opposite to the position of the extrusion ring, and both the bottom of the fixing ring and the top of the extrusion ring are provided with anti-slip protrusions.

[0024] Before placing the cable in step one, remove the limiting stop bar in the shielding assembly to remove the obstruction of the internal space of the top ring, so that the workers can place the coiled cable into the cable release assembly.

[0025] After placing the cable in step two, re-insert and fix the limit stop to protect the cable.

[0026] When a brief stop is required in step six, the hydraulic cylinder is controlled to move the extrusion ring, thereby extruding and positioning the extrusion ring against the fixed ring.

[0027] Compared with related technologies, the present invention has the following beneficial effects:

[0028] (1) In the cable release operation, when the external driving angle of the cable changes horizontally or vertically, the horizontal force will drive the support frame to rotate horizontally, while the vertical force will drive the support plate to rotate vertically. This allows for multi-angle adjustment of the cable release assembly, making the angle at which the cable moves out of the cable release assembly closer to the angle of the external pulling force. This reduces the probability of the cable bending or jamming due to a large deviation in the angle at which the cable moves out. Therefore, the cable pulling and wiring can be smoother.

[0029] (2) When the present invention briefly drives the cable during the cable release process, it can control the hydraulic cylinder to extend and drive the extrusion ring to move. During the movement of the extrusion ring, it can also drive the outer lower movable half ring to move synchronously. When the extrusion ring abuts against the fixed ring and the outer wall of the lower movable half ring abuts against the cable, the support plate and the cable can be locked and fixed. Therefore, it can avoid the cable from continuously loosening due to the rotational inertia force during the cable pause, which would cause the tangled cable to become disordered and affect the smoothness of subsequent cable release.

[0030] (3) When the cable moves outward from the cable release assembly, the friction force between the horizontal guide roller and the vertical guide roller when they come into contact with the moving cable will drive the corresponding guide roller to rotate, thereby converting the sliding friction of the cable movement into rolling friction, which can reduce the probability of wear on the outer wall when the cable moves outward.

[0031] (4) The present invention also includes a shielding component. When in use, the shielding component will cover the outside of the cable release component. After the coiled cable is placed on the cable release component and the cable is untied, the shielding component will cover the outside of the cable, thereby preventing the coiled cable from collapsing when the cable is untied. This not only improves the integrity of the cable, but also reduces the safety impact of cable collapse on workers. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of the rope-releasing device in this invention;

[0033] Figure 2 This is a schematic diagram showing the connection between the chassis, support assembly, and cable-releasing assembly in this invention;

[0034] Figure 3 This is a schematic diagram showing the connection between the chassis and the support components in this invention;

[0035] Figure 4 yes Figure 3 Enlarged diagram of section A in the middle;

[0036] Figure 5 This is a schematic diagram showing the connection between the support component and the cable release component in this invention;

[0037] Figure 6 This is a schematic diagram of the cable release component structure in this invention;

[0038] Figure 7 This is a schematic diagram showing the connection between the support component and the shielding component in this invention;

[0039] Figure 8 for Figure 7 Enlarged schematic diagram of section B in the middle;

[0040] Figure 9 This is a schematic diagram showing the connection between the support component and the guide component in this invention;

[0041] Figure 10 This is a schematic diagram of the guide component structure in this invention.

[0042] Numbered components in the diagram: 1. Chassis; 2. Support assembly; 21. Support frame; 211. Mounting shaft; 212. Protruding rod; 213. Support plate; 214. Adjusting rod; 215. Extrusion plate; 216. Guide rod; 22. Support plate; 221. Guide rail; 23. Hydraulic cylinder; 231. Extrusion ring; 232. Adapter frame; 3. Rope release assembly; 31. Support plate; 311. Support rod; 312. Fixing ring; 32. Inner railing; 3 21. Adapter plate; 4. Guide assembly; 41. Mounting frame; 411. Fixing frame; 42. Horizontal guide roller; 43. Vertical guide roller; 44. Upper fixed half ring; 441. Upper adapter rod; 45. Lower movable half ring; 451. Lower adapter rod; 5. Blocking assembly; 51. Top ring; 511. Limiting stop bar; 512. Grip frame; 513. Magnetic plate; 52. Center plate; 521. Limiting hole; 53. Outer railing; 6. Cable. Detailed Implementation

[0043] 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. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0044] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0045] Example 1 provides a cable-laying device for bridge cable construction, such as... Figures 1 to 10 As shown, the system includes a chassis 1 and a cable-laying assembly 3. A support assembly 2 is provided on the chassis 1 to support the cable-laying assembly 3. In an embodiment of the invention, the support assembly 2 includes a support frame 21, which is rotatably mounted on the top of the chassis 1 and can rotate freely along a central axis on the chassis 1. The support frame 21 includes a bottom circular support plate and two vertical side plates symmetrically arranged on the circular support plate. The circular support plate is rotatably connected to the chassis 1 via a central axis, and the two vertical side plates are fixedly arranged on the circular support plate.

[0046] The support frame 21 is equipped with a rotating mounting shaft 211. Support plates 22 are fixedly connected to the opposite ends of the mounting shafts 211 on both sides. The bottom ends of the support plates 22 on both sides are fixedly mounted with the same guide rail 221, which is a ring structure. The opposite ends of the mounting shafts 211 on both sides extend beyond the vertical side plate and are fixedly connected with protruding rods 212. A positioning component is provided below each protruding rod 212. The cable release assembly 3 is installed between the two side plates of the support frame 21. The cable release assembly 3 includes a support plate 31, which is rotatably mounted within the guide rail 221. Multiple inner rails 32 for positioning the cable are fixedly installed on the top of the support plate 31. These inner rails 32 are arranged in a ring, forming a cylindrical structure, and the top ends of the multiple inner rails 32 are fixedly mounted with the same adapter plate 321.

[0047] It should be noted that by rotating the support frame 21 to the chassis 1, during the cable release process, when the driving force of the external pulling cable changes horizontally, the horizontally changing cable will act on the support frame 21, thereby causing the support frame 21 to drive the internal cable release assembly 3 to rotate horizontally, thus changing the horizontal angle when the cable moves out of the device. When the driving force of pulling the cable changes vertically, the vertically changing tension will act on the guide rail 221 and support plate 22 in the support assembly 2. This allows the support plate 22 to rotate vertically within the support frame 21 via the mounting shaft 211, thereby allowing the cable release assembly 3 to rotate vertically. This enables the adjustment of the vertical angle of the cable during the cable release operation. By adjusting the horizontal and vertical angles when the cable is released, the angle of the cable release can be made closer to the external traction force on the cable, reducing the probability of jamming due to bending during the cable release process. Therefore, the cable release can be made smoother.

[0048] In Example 1, as Figure 3 and Figure 4As shown, the positioning assembly includes an extrusion plate 215 located directly below the protruding rod 212 and a support plate 213 located below the extrusion plate 215. One end of the support plate 213 is fixed to the vertical side plate of the support frame 21. A threaded adjusting rod 214 is inserted inside the support plate 213. The top end of the adjusting rod 214 is located above the support plate 213 and is rotatably connected to the extrusion plate 215. The outer walls of both the extrusion plate 215 and the protruding rod 212 are provided with anti-slip protrusions. A guide rod 216 is fixedly connected to the bottom of the extrusion plate 215. The bottom end of the guide rod 216 passes through the corresponding support plate 213, and the support plate 213 has a groove that connects to the outer wall of the guide rod 216. The sliding connection through hole, the adjusting rod 214 is a threaded rod with an adjusting handle at its bottom end, the adjusting rod 214 is moved up and down along the support plate 213 by rotating the adjusting handle; when the adjusting rod 214 moves upward, it drives the extrusion plate 215 to move upward, so that the outer wall of the extrusion plate 215 abuts against the outer wall of the protrusion 212 and limits the protrusion 212; when the adjusting rod 214 moves downward, it drives the extrusion plate 215 to move downward, so that the extrusion plate 215 disengages from the protrusion 212; the length of the guide rod 216 is greater than the adjustment length of the adjusting rod 214, so that the guide rod 216 will not disengage from the support plate 213 during the adjustment of the adjusting rod 214, and always plays a guiding role.

[0049] In this embodiment: With the protruding rod 212 and the extrusion plate 215, when the extrusion plate 215 abuts against the protruding rod 212, the extrusion force will compress and fix the mounting shaft 211. This ensures that after the operator places the coiled cable reel onto the cable release assembly 3, the cable remains stably stationary, facilitating subsequent cable end connection and traction. After the cable is secured, during normal cable release, the adjusting rod 214 can be controlled to move vertically spirally within the support plate 213. Since the top of the adjusting rod 214 is rotatably connected to the extrusion plate 215, and a guide rod 216 is fixedly installed at the bottom of the adjusting rod 214, the adjusting rod 214... During rotation, the guide rod 216 guides the movement trajectory of the extrusion plate 215, allowing the extrusion plate 215 to move smoothly in the vertical direction. When the extrusion plate 215 separates from the outer wall of the protrusion rod 212 and the limit on the protrusion rod 212 is released, the support plate 22 can then rotate stably in the vertical direction via the mounting shaft 211. At the same time, since the guide rail 221 is a ring structure and is coaxially distributed with the internal support plate 31, during the cable release process, when the support plate 31 in the cable assembly is subjected to the pulling force of the cable release, the support plate 31 will rotate stably inside the ring guide rail 221, causing the cable wrapped around the inner rail 32 to move stably outward, thereby allowing the cable release assembly 3 to smoothly carry out the cable release operation.

[0050] It should also be noted that the specifications of the chassis 1 in the embodiment are larger than those of the support frame 21. Therefore, during the cable laying operation, a counterweight can be placed on the outside of the support frame 21 on the top of the chassis 1 to press the chassis 1 tight, thereby improving the stability of the device during the cable laying operation.

[0051] In this embodiment, please refer to Figures 1 to 10 A guide assembly 4 is provided above the guide rail 221. The guide assembly 4 includes a mounting frame 41, which is a hollow frame. Horizontal guide rollers 42 and vertical guide rollers 43 are rotatably mounted at both ends inside the mounting frame 41. Two parallel horizontal guide rollers 42 are provided at each end. The cable 6 passes between the two horizontal guide rollers 42. The vertical guide rollers 43 at both ends are located on the sides of the cable 6. A fixed bracket 411 is fixedly connected to the bottom of the mounting frame 41, and the end of the fixed bracket 411 is fixedly connected to the outer wall of the guide rail 221.

[0052] It should be noted that: through the setting of the horizontal guide rollers 42 and the vertical guide rollers 43 at both ends of the mounting frame 41, during the cable release process, the horizontal guide rollers 42 near the cable release assembly 3 will guide the cable 6 entering the mounting frame 41, so that the cable 6 can move smoothly into the mounting frame 41. When the cable 6 moves out of the mounting frame 41, the horizontal guide rollers 42 and the vertical guide rollers 43 away from the cable release assembly 3 will guide the part of the cable 6 that has moved out of the mounting frame 41. Since the horizontal guide rollers 42 and the vertical guide rollers 43 are rotating, when the cable 6 abuts against the guide rollers, the friction will drive the corresponding guide rollers to rotate, thereby changing the sliding friction when the cable moves out of the device into rolling friction, reducing the friction when moving out, and thus reducing the damage of friction to the outer wall of the cable.

[0053] In this embodiment, as Figure 1 and Figure 10 As shown, the guide assembly 4 further includes an upper fixed half-ring 44 and a lower movable half-ring 45, which are symmetrically distributed in the mounting frame 41. An upper adapter rod 441 is fixedly installed on the top of the upper fixed half-ring 44, and the top end of the upper adapter rod 441 is fixedly connected to the top of the mounting frame 41. A lower adapter rod 451 is fixedly installed on the bottom of the lower movable half-ring 45. Figure 1 , Figures 6 to 10As shown, multiple symmetrically distributed hydraulic cylinders 23 are fixedly installed on the top of the guide rail 221. The top of the multiple hydraulic cylinders 23 is fixedly installed with the same extrusion ring 231. The side wall of the extrusion ring 231 is fixedly installed with an adapter frame 232. The position of the adapter frame 232 is opposite to the position of the lower movable half ring 45, and the top of the adapter frame 232 is fixedly connected to the bottom of the lower adapter rod 451. Multiple annularly distributed support rods 311 are fixedly installed on the outer side of the top of the support plate 31. The top of the multiple support rods 311 is fixedly installed with the same fixing ring 312. The position of the fixing ring 312 is opposite to the position of the extrusion ring 231, and both the bottom of the fixing ring 312 and the top of the extrusion ring 231 are provided with anti-slip protrusions.

[0054] It should be noted that: multiple hydraulic cylinders 23 are connected to a standard hydraulic system through external pipelines to achieve their extension and retraction control. Each of the multiple hydraulic cylinders 23 has a built-in relief valve and a check valve to automatically eliminate the error of asynchronous position, accurately control the synchronization of the extension and retraction of the hydraulic cylinders 23, and avoid the phenomenon of jamming caused by the asynchronous extension and retraction of multiple hydraulic cylinders 23. The specific settings of this hydraulic system are conventional technologies in this field and will not be described in detail here. This allows the multiple hydraulic cylinders 23 to stably drive the top extrusion ring 231 when they extend.

[0055] When the top of the moving compression ring 231 abuts against the bottom of the fixed ring 312, the two abutting objects will increase the squeezing friction through the protective protrusions on their opposite surfaces, thereby limiting and locking the fixed ring 312. This prevents the cable release assembly 3 from continuously rotating due to inertia during the cable release process. Consequently, when the cable release operation is temporarily paused by the operator as needed, the cable release assembly 3 can remain stably stationary.

[0056] It should also be noted that the distance traveled from the lower movable half-ring 45 to the upper fixed half-ring to clamp the cable is matched with the distance between the compression ring 231 and the fixed ring 312. Thus, when the hydraulic cylinder 23 drives the compression ring 231, while the compression ring 231 abuts against the fixed ring 312, the lower movable half-ring 45 and the upper fixed half-ring 44 abut against the outer wall of the cable, achieving synchronous locking and fixing of the cable clamping. This makes the cable more stable even when stationary, reduces the driving force on the cable release assembly 3 when stationary, and reduces the torque experienced by the cable release assembly 3 when stationary. Therefore, it can avoid the cable from continuously loosening due to the rotational inertia force during the cable pause, which would cause the tangled cable to become disordered and affect the smoothness of subsequent cable release. Furthermore, by locking and fixing the cable, it is also convenient for staff to promptly repair, record, and track the damaged area when the outer wall of the cable is damaged during the cable release process.

[0057] In this embodiment, please refer to Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, a shielding assembly 5 is provided above the support plate 22. The shielding assembly 5 includes a top ring 51, which is fixedly installed on the top of the two support plates 22. The top ring 51 is coaxially distributed with the support plate 31. Multiple outer rails 53 are fixedly installed at the bottom of the top ring 51, and the bottom ends of the outer rails 53 are fixedly connected to the top of the guide rail 221. Multiple sets of slidingly connected limit stops 511 are inserted inside the top ring 51. The ends of the limit stops 511 located on the outer side of the top ring 51 are fixedly installed. The device is equipped with a gripping frame 512, on the outer wall of which a magnetic plate 513 is fixedly installed. The outer wall of the magnetic plate 513 abuts against and attracts the outer wall of the top ring 51. The shielding assembly 5 also includes a central disk 52, the bottom of which is rotatably connected to the top of the adapter disk 321. The side wall of the central disk 52 has multiple sets of evenly distributed limiting holes 521 that match the limiting rods 511. The inner wall of the limiting hole 521 abuts against the end of the corresponding limiting rod 511.

[0058] It should be noted that: through the rotational connection between the central disk 52 and the adapter disk 321 in the shielding component 5, when the limiting rod 511 is inserted into the limiting hole 521 on the side wall of the central disk 52, the limiting rod 511 can shield and limit the rotation trajectory of the central disk 52. Thus, during the cable release process, when the moving cable drives the support disk 31 and the inner railing 32 in the cable release component 3, the inner railing 32 can drive the top adapter disk 321 to rotate smoothly at the bottom of the central disk 52. This avoids the obstruction of the shielding component 5 on the drive of the cable release component 3, allowing the cable release component 3 to rotate stably with the cable, thereby realizing the cable release operation.

[0059] In this embodiment: by setting the magnetic plate 513 on the grip 512, after the limiting rod 511 is inserted into the limiting hole 521, the magnetic plate 513 will abut against the outer wall of the top ring 51. At this time, the magnetic plate 513 will attract the side wall of the top ring 51 through its own magnetic force. Therefore, the limiting rod 511 can be stably located in the top ring 51 and the central disk 52, avoiding the phenomenon of the limiting rod 511 sliding off at will.

[0060] At this time, the stable insertion of the limit stop bar 511 can achieve the protection of the cable release assembly 3 by combining with the bottom outer railing 53 of the top ring 51. This can reduce the safety hazards caused by the collapse and spread of the cable wrapped on the cable release assembly 3 during the cable release operation, thus improving the safety of the cable release operation of this device.

[0061] The working principle of the cable-laying device in Example 1 for bridge cable construction is as follows:

[0062] When using this cable-releasing device, the operator can first pull the limiting stop 511 in the blocking assembly 5 outward to release the limiting stop 511 from obstructing the internal space of the top ring 51, thus facilitating the operator to place the coiled cable 6 onto the cable-releasing assembly 3. After placing the cable 6, the operator can then reinsert the limiting stop 511 into the top ring 51 using the grip 512. When the end of the limiting stop 511 is inserted into the limiting hole 521 on the side wall of the central disc 52, and the magnetic plate 513 and the top ring 51 are aligned... When the outer walls abut, the magnetic plate 513 can be attracted to the side wall of the top ring 51, thereby enabling the stable insertion of the limiting stop 511; thus, the top ring 51, the limiting stop 511, and the outer railing 53 can cover and shield the outside of the cable. Therefore, when the workers untie the coiled cable, the outside of the cable is shielded, which can prevent the coiled cable from collapsing randomly. This not only improves the integrity of the cable after it is loosened, but also reduces the safety impact on the workers caused by the loosening and collapse of the cable.

[0063] After the cable is untied, the adjusting rod 214 can be driven to separate the compression plate 215 from the protruding rod 212, releasing the compression on the protruding rod 212. This allows the support plate 22 to rotate smoothly within the support frame 21 via the mounting shaft 211. Then, the worker can move the end of the cable 6 into the guide assembly 4, through the mounting frame 41, and to the outside of the support assembly 2. When the worker uses the external traction component to pull the end of the cable, the pulling force will cause the support plate 31 in the cable release assembly 3 to rotate inside the guide rail 221, thereby allowing the cable to move continuously outward and realizing the cable release operation.

[0064] During the cable release process, when the external traction component is displaced, if the force of the displacement is horizontal, causing the outer wall of the cable to abut against the outer wall of the vertical guide roller 43, the friction force of the cable movement will drive the vertical guide roller 43 to rotate. If the force of the displacement is vertical, causing the outer wall of the cable to abut against the outer wall of the transverse guide roller 42, the friction force of the cable movement will drive the transverse guide roller 42 to rotate. At this time, the transverse guide roller 42 and the vertical guide roller 43 will smoothly follow the cable to rotate, thereby converting the sliding friction of the cable movement into rolling friction, which can reduce the friction force between the cable and the outside world during cable release and reduce the damage caused by friction to the outer wall of the cable.

[0065] Simultaneously, the horizontal driving force of the cable movement can also drive the support frame 21 in the support assembly 2, thereby allowing the support frame 21 to rotate on the chassis 1. The vertical driving force of the cable movement can also drive the support plate 22 in the support assembly 2, causing the support plate 22 to drive the cable release assembly 3 to rotate vertically. This can change the angle at which the cable moves out of the cable release assembly 3, making the angle of the cable movement closer to the angle of the external tension, reducing the probability of a large deviation in the angle of the cable movement, which could cause the cable to bend or jam. Therefore, the cable pulling and wiring can be smoother.

[0066] During the cable pulling and releasing process, if a brief stop is required due to external factors, the operator can control the hydraulic cylinder 23 to extend via the terminal controller. The extended hydraulic cylinder 23 drives the end compression ring 231. During the movement of the compression ring 231, it can also drive the outer lower movable half ring 45 to move synchronously. Since the distance between the compression ring 231 and the fixed ring 312 is adapted to the distance traveled from the lower movable half ring 45 to the upper fixed half ring to clamp and fix the cable, when the compression ring 231 abuts against the fixed ring 312, the lower movable half ring 45 and the upper fixed half ring 44 abut against the outer wall of the cable. This achieves clamping and locking of the support plate 31 and the cable, thus preventing the cable from becoming slack due to rotational inertia during the cable pause, which would cause the tangled cable to become disordered and affect the smoothness of subsequent cable release. This improves the user experience of this cable release device.

[0067] Example 2 provides a cable-laying method for bridge cable construction. This method uses the cable-laying device for bridge cable construction described in Example 1 to perform the cable-laying work, and specifically includes the following steps:

[0068] Step 1: First, move the cable release device to the required position and remove the limiting stop bar 511 in the blocking assembly 5 to release the obstruction of the internal space of the top ring 51, so that the workers can place the coiled cable 6 into the cable release assembly 3.

[0069] Step 2: After the cable 6 is placed, the limit stop bar 511 can be reinserted and fixed to cover and protect the cable 6. When the staff unties the coiled cable 6 later, it can prevent the cable 6 from spreading and loosening randomly, and thus make the cable 6 more neatly located on the cable release assembly 3.

[0070] Step 3: After untying the coiled cable, one end of the cable 6 can be moved into the mounting frame 41 and its end moved outward so that the end of the cable can be moved outside the cable release assembly 3, so that the workers can connect the external traction component to the end of the cable 6.

[0071] Step 4: After fixing the end of the cable 6 to the traction component, the adjusting rod 214 can be rotated to drive the compression plate 215 to move. When the compression plate 215 separates from the protruding rod 212, the limiting of the protruding rod 212 can be released, so that the mounting shaft 211 at the end of the protruding rod 212 can smoothly drive the cable release assembly 3 to rotate, thereby adjusting the vertical angle when the cable 6 moves outward.

[0072] Step 5: When the external traction component pulls the end of the cable 6 later, the guide component 4 can guide the moving cable 6, thereby reducing the probability of damage to the outer wall of the cable caused by friction when the cable 6 is released.

[0073] Step Six: During the cable release process, when the external traction force pulling the cable 6 changes the horizontal direction, the driving force acting on the cable release assembly 3 and the support assembly 2 can drive the support frame 21 to rotate on the chassis 1, thereby changing the horizontal angle when the cable moves outward.

[0074] Step 7: When a brief stop is required during the cable release process, the hydraulic cylinder 23 can be activated to move the compression ring 231 and the lower movable half-ring 45. This allows the compression ring 231 to compress the fixed ring 312, and the lower movable half-ring 45 and the upper fixed half-ring 44 to compress the cable. This prevents the cable from becoming slack due to rotational inertia during the pause, which could lead to cable tangling and affect the smoothness of subsequent cable release, thus ensuring the stable use of the device.

[0075] The above are merely embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A cable-laying device for bridge cable construction, characterized in that, The cable-releasing device includes a chassis (1) and a cable-releasing assembly (3). The chassis (1) is provided with a support assembly (2) for supporting the cable-releasing assembly (3). The support assembly (2) includes a support frame (21). The support frame (21) is rotatably mounted on the top of the chassis (1). The support frame (21) includes two symmetrically arranged vertical side plates. A rotatably connected mounting shaft (211) is installed on each of the two vertical side plates of the support frame (21). A fixedly connected support plate (22) is installed at the opposite ends of the two mounting shafts (211). The bottom ends of the two support plates (22) are fixedly mounted with a guide rail (221) of the same annular structure. The cable release assembly (3) is installed between two support plates (22) of the support frame (21). The cable release assembly includes a support plate (31), which is rotatably installed in the guide rail (221). Multiple inner rails (32) for positioning the cable are fixedly installed on the top of the support plate (31), and adapter plates (321) are fixedly installed on the top of the multiple inner rails (32). The opposite ends of the mounting shafts (211) on both sides extend to the outside of the vertical side plate and are fitted with fixed connecting protrusions (212). A positioning component is provided at each protrusion (212). When the coiled cable (6) is installed to the cable release component (3), the protrusions (212) are locked by the positioning component. During the cable release process after the cable (6) is installed, the positioning component unlocks the protrusions (212).

2. The cable-laying device for bridge cable construction according to claim 1, characterized in that: A guide assembly (4) is provided above the guide rail (221). The guide assembly (4) includes a mounting frame (41). The mounting frame (41) is a hollow frame. Both ends of the frame are rotatably mounted with a horizontal guide roller (42) and a vertical guide roller (43). A fixed bracket (411) is fixedly connected to the bottom of the mounting frame (41), and the end of the fixed bracket (411) is fixedly connected to the outer wall of the guide rail (221). The end of the cable (6) is guided by the horizontal guide roller (42) and the vertical guide roller (43) in the guide assembly (4) and then connected to the external traction component.

3. A cable-laying device for bridge cable construction according to claim 1 or 2, characterized in that: The positioning assembly includes an extrusion plate (215) located directly below the protrusion rod (212) and a support plate (213) located below the extrusion plate (215). One end of the support plate (213) is fixed to the vertical side plate of the support frame (21). A threaded adjustment rod (214) is inserted inside the support plate (213). The top end of the adjustment rod (214) is located above the support plate (213) and is rotatably connected to the extrusion plate (215). The outer walls of both the extrusion plate (215) and the protrusion rod (212) are provided with anti-slip protrusions. The adjustment rod (214) is a threaded rod. By rotating the adjustment rod (214), the extrusion plate (215) is driven to move up and down. The extrusion plate (215) moves upward until its outer wall abuts against the outer wall of the protrusion rod (212), thus limiting the protrusion rod (212). The extrusion plate (215) moves downward and disengages from the protrusion rod (212), thus releasing the limitation on the protrusion rod (212).

4. A cable-laying device for bridge cable construction according to claim 1 or 2, characterized in that: A shielding assembly (5) is provided above the support plate (22). The shielding assembly (5) includes a top ring (51). The top ring (51) is fixedly installed on the top of the two support plates (22). The top ring (51) is coaxially distributed with the support plate (31). Multiple outer rails (53) are fixedly installed at the bottom of the top ring (51), and the bottom end of the outer rails (53) is fixedly connected to the top of the guide rail (221).

5. A cable-laying device for bridge cable construction according to claim 2, characterized in that: The guide assembly (4) further includes an upper fixed half ring (44) and a lower movable half ring (45). The upper fixed half ring (44) and the lower movable half ring (45) are symmetrically distributed within the mounting frame (41). An upper adapter rod (441) is fixedly installed on the top of the upper fixed half ring (44). The top end of the upper adapter rod (441) is fixedly connected to the top of the mounting frame (41). A lower adapter rod (451) is fixedly installed on the bottom of the lower movable half ring (45). A plurality of symmetrically distributed hydraulic cylinders (23) are fixedly installed on the top of the guide rail (221). The top end of the plurality of hydraulic cylinders (23) is fixedly installed with the same extrusion ring (231). An adapter frame (232) is fixedly installed on the side wall of the extrusion ring (231). The position of the adapter frame (232) is opposite to the position of the lower movable half ring (45). The top of the adapter frame (232) is fixedly connected to the bottom end of the lower adapter rod (451).

6. The cable-laying device for bridge cable construction according to claim 3, characterized in that: The bottom of the extrusion plate (215) is fitted with a fixedly connected guide rod (216), the bottom end of the guide rod (216) passes through the corresponding support plate (213), and the support plate (213) is provided with a through hole that is slidably connected to the outer wall of the guide rod (216); the bottom end of the adjusting rod (214) is provided with an adjusting handle, and by rotating the adjusting handle, the adjusting rod (214) is driven to move up and down along the support plate (213), and the length of the guide rod (216) is greater than the adjusting length of the adjusting rod (214).

7. The cable-laying device for bridge cable construction according to claim 4, characterized in that: Multiple sets of slidingly connected limiting rods (511) are inserted inside the top ring (51). A gripping frame (512) is fixedly installed at the end of the limiting rod (511) located outside the top ring (51). A magnetic plate (513) is fixedly installed on the outer wall of the gripping frame (512), and the outer wall of the magnetic plate (513) abuts against and attracts each other to the outer wall of the top ring (51). The shielding assembly (5) also includes a central disk (52). The bottom of the central disk (52) is rotatably connected to the top of the adapter disk (321). Multiple sets of evenly distributed limiting holes (521) are opened on the side wall of the central disk (52), and the inner wall of the limiting hole (521) abuts against the end of the corresponding limiting rod (511).

8. A cable-laying device for bridge cable construction according to claim 5, characterized in that: Multiple ring-shaped support rods (311) are fixedly installed on the outer side of the top of the support plate (31). The top of the multiple support rods (311) is fixedly installed with the same fixing ring (312). The position of the fixing ring (312) is opposite to the position of the extrusion ring (231), and the bottom of the fixing ring (312) and the top of the extrusion ring (231) are provided with anti-slip protrusions.

9. A method for cable laying during bridge cable construction, characterized in that: The method uses the cable-laying device for bridge cable construction as described in claim 5 to perform cable-laying work, specifically including the following steps: Step 1: Move the cable release device to the desired position, lock the protruding rod using the positioning component, and place the coiled cable inside the cable release component; Step 2: After placing the cable, release the binding of the coiled cable, move one end of the cable into the mounting frame of the guide assembly, and move its end outward so that the end of the cable moves outside the cable release assembly and connects with the external traction component. Step 3: After connecting and fixing the end of the cable to the external traction component, release the limit on the protruding rod, so that the mounting shaft at the end of the protruding rod can smoothly drive the cable release assembly to rotate, thereby adjusting the vertical angle when the cable moves outward. Step 4: When the external traction component pulls the end of the cable, the guide component guides the moving cable, thereby reducing the probability of damage to the outer wall of the cable caused by friction during cable release; Step 5: During the cable release process, when the external traction force pulling the cable changes horizontally, the driving force acts on the cable release assembly and the support assembly, causing the support frame to rotate on the chassis, thereby changing the horizontal angle of the cable as it moves outward. Step Six: When a brief stop is required during the cable release process, the hydraulic cylinder is activated to move the lower movable half-ring. The lower movable half-ring and the upper fixed half-ring compress and position the cable, thereby ensuring the stable use of the device.

10. The cable-laying method for bridge cable construction according to claim 9, characterized in that: The cable-releasing device also includes a shielding assembly, which includes a top ring and a central disc. The top ring is fixedly installed on the top of two support plates and is coaxially distributed with the support disc. Multiple sets of slidingly connected limiting rods are inserted inside the top ring. The bottom of the central disc is rotatably connected to the top of the adapter plate. Multiple sets of evenly distributed limiting holes are opened on the side wall of the central disc. The inner wall of the limiting hole abuts against the end of the corresponding limiting rod. Multiple annularly distributed support rods are fixedly installed on the outer side of the top of the support disc. The top of the multiple support rods is fixedly installed with the same fixing ring. The position of the fixing ring is opposite to the position of the extrusion ring, and both the bottom of the fixing ring and the top of the extrusion ring are provided with anti-slip protrusions. Before placing the cable in step one, remove the limiting stop bar in the shielding assembly to remove the obstruction of the internal space of the top ring, thereby facilitating the placement of the cable; After placing the cable in step two, re-insert and fix the limit stop to protect the cable. When a brief stop is required in step six, the hydraulic cylinder is controlled to move the extrusion ring, so that the extrusion ring extrudes and positions the fixed ring.

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