Re-hooking system and re-hooking method for railway operation

Abstract

The invention belongs to the technical field of railway operation equipment, particularly relates to a re-hooking system and a re-hooking method for railway operation, and provides the following scheme aiming at the problem that a re-hooking robot used by an existing re-hooking system cannot change the position: the re-hooking system comprises a bearing platform plate, and two symmetrical support frames are arranged at the bottom of the bearing platform plate; the device comprises a bearing platform plate, two supporting frames are arranged on the bearing platform plate, two axles are arranged on the two supporting frames, symmetrical rolling wheels are arranged on the two axles, a direct current motor is arranged on one axle, a rotating disc is arranged above the bearing platform plate, and an installing and transporting module is arranged above the bearing platform plate and comprises a rotating shaft. According to the re-hooking system for railway operation and the re-hooking method, the re-hooking robot formed by combining the mechanical arm with the hook breaking-off module can freely move at the car coupler position between the carriages along with increase and decrease of the carriages, so that the re-hooking speed of the re-hooking robot is increased, and the re-hooking efficiency of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of railway operation equipment, and in particular to a re-hooking system and a re-hooking method for railway operation. Background Art

[0002] After the railway vehicle is operated by the car tipping system and enters the empty car line, the couplers on both sides of the vehicle are in a closed state. When the two couplers connected to each other are in a closed state, the couplers cannot be connected to each other. Therefore, it is necessary to open one of the couplers before the railway vehicles collide, so that the couplers can be automatically connected when the railway vehicles collide. In the car tipping system, this process is called the double hook operation.

[0003] The re-hooking robot used in the existing re-hooking system for railway operations is often in a fixed position during use and cannot be changed in position as the number of carriages increases or decreases, which affects the efficiency of the re-hooking robot in re-hooking operations. Summary of the invention

[0004] The invention discloses a re-hooking system and a re-hooking method for railway operation, aiming to solve the technical problem that the re-hooking robot used in the existing re-hooking system in the background technology cannot perform position change.

[0005] The present invention proposes a multiple hook system for railway operation, including a bearing plate, two symmetrical support frames are arranged at the bottom of the bearing plate, two axles are arranged on the two support frames, symmetrical rollers are arranged on the two axles, and a DC motor is arranged on one of the axles, a rotating disk is arranged above the bearing plate, and an installation and transportation module is arranged above the bearing plate, the installation and transportation module includes a rotating shaft, the upper side of the rotating shaft is fixedly connected to the bottom of the rotating disk, the bottom of the rotating shaft is movably connected to the upper side of the bearing plate, and the upper side of the rotating disk is provided with a fixed The fixed platform is externally fixedly connected with three connecting frames equidistantly distributed in a circle, each of the connecting frames is provided with insertion holes, each of the insertion holes is slidably connected with a fixing pin, and the rotating disk is provided with three grooves equidistantly distributed in a circle, each of the bottom inner walls of the grooves is provided with openings, each of the openings is fixedly connected with a fixing seat, and the inner walls of the fixing seats are slidably connected to the outside of the fixing pins on the same side, a robotic arm is fixedly connected to the upper side of the fixed platform, a hook module is provided on the side of the robotic arm away from the fixed platform, and the same track is provided on the outside of the two rollers on the same side.

[0006] By providing a base plate, a support frame, rollers, a DC motor, a rotating disk, a robotic arm, a track, an installation and transportation module, a hook breaking module and a fixed platform, the device utilizes the installation and transportation module to enable the double-hook robot formed by the robotic arm combined with the hook breaking module to move freely at the hook position between carriages as the number of carriages increases or decreases, thereby increasing the double-hook speed of the double-hook robot and improving the double-hook efficiency of the device.

[0007] In a preferred embodiment, the outside of the rotating shaft is fixedly connected with an outer toothed ring, the outside of the outer toothed ring is provided with a locking ring, the bottom of the locking ring is slidably connected to the upper side of the supporting plate, the outside of the locking ring is slidably connected with a directional buckle, the bottom of the directional buckle is fixedly connected to the upper side of the supporting plate, and the inner wall of the locking ring is fixedly connected with a rack, and the rack is clamped with the outer toothed ring; a base is provided on the outside of the locking ring, fine holes are provided on the base and the locking ring, and the same screw rod is provided in the fine hole, the screw rod is located on the side of the directional buckle away from the rotating shaft, and a knob is fixedly connected to the side of the screw rod away from the directional buckle, and three circumferentially equidistantly distributed grooves are provided on the upper side of the fixed seat, and a movable rod is slidably connected in the groove, and the movable rod The upper sides are fixedly connected with short shafts; the outsides of the three fixed pins are slidably connected with rotating frames, and the bottoms of the three rotating frames are movably connected with the upper sides of the three fixed seats respectively; the outsides of the fixed pins are provided with annular grooves, and the outsides of the three movable rods on the same fixed seat are clamped with the inner walls of the annular grooves on the same side, and the rotating frame is provided with three curved grooves equidistantly distributed around the circumference, and the inner walls of the three curved grooves on the same side are respectively slidably connected with the outsides of the three short shafts; the inner walls of the rotating frames are fixedly connected with coil springs, and the ends of the coil springs away from the rotating frame are fixedly connected with the outside of the fixed seat on the same side, and the outside of the rotating frames are fixedly connected with shift rods, and the bottoms of the shift rods are slidably connected with the bottom inner walls of the grooves on the same side.

[0008] By providing an installation and transportation module, the installation and transportation module utilizes fixing pins and fixing seats so that the fixing platform connected to the robotic arm can be quickly and conveniently fixed on the rotating disk, thereby greatly reducing the workload of installing the double-hook robot on the base plate and improving the installation efficiency of the installers. By locking the outer gear ring with a rack, the robotic arm can maintain a stable angle when performing double-hook operations on the carriages on both sides, thereby improving the positioning accuracy of the robotic arm on the hook.

[0009] In a preferred embodiment, the hook-breaking module includes a connector, a slot is provided at one end of the robot arm away from the fixed platform, a round rod is movably connected in the slot, the outside of the round rod is fixedly connected to the inner wall of the connector, the outside of the robot arm is fixedly connected to motor 1, the output end of motor 1 is connected to one side of the round rod through a coupling, and a mounting plate is fixedly connected to the bottom of the connector, a stabilizing frame is fixedly connected to the upper side of the mounting plate, a round opening is provided on the stabilizing frame and the mounting plate, the round opening is fixedly connected to the same hydraulic rod, and the output end of the hydraulic rod is fixedly connected to a connecting frame; a shaft rod is movably connected to the connecting frame, a motor 3 is fixedly connected to the outside of the connecting frame, the output end of motor 3 is connected to one side of the shaft rod through a coupling, and two symmetrical clamps are arranged in the connecting frame, the outside of the shaft rod is fixedly connected to the motor 3, the output end of motor 3 is connected to one side of the shaft rod through a coupling, and two symmetrical clamps are arranged in the connecting frame, the outside of the shaft rod is fixedly connected to the motor 3, and the output end of motor 3 is connected to one side of the shaft rod through a coupling, and two symmetrical clamps are arranged in the connecting frame. A protrusion is fixedly connected, the outside of the protrusion is fixedly connected to the outside of one of the clamps, and the outside of the other clamp is fixedly connected to the inner wall of the connecting frame; a rectangular groove is provided on the mounting plate, a moving rod is slidably connected in the rectangular groove, an air bag is arranged on the outside of the moving rod, and a pump is fixedly connected to the bottom of the mounting plate, the output end of the pump is connected to an air pipe through a conduit, and the end of the air pipe away from the pump is fixedly connected to the outside of the air bag; two symmetrical bosses are fixedly connected to the upper side of the mounting plate, the same threaded rod is movably connected to the two bosses, a circular groove is provided on the moving rod, the inner wall of the circular groove is rotatably connected to the outside of the threaded rod through an external thread, and motor 2 is fixedly connected to the outside of one of the bosses, and the output end of motor 2 is connected to one side of the threaded rod through a coupling.

[0010] By providing a hook-breaking module, the hook-breaking module can be installed with an airbag and a connecting frame, and after completing the lifting of the hook tail pin, it can break the hook and rotate the hook outward, thereby contacting the closed state of the hook, so that the front and rear carriages can be connected and re-hooked, avoiding the situation where the closed hooks collide with each other and are damaged, and improving the success rate of re-hooking.

[0011] A method for re-hooking for railway operation, using the re-hooking system for railway operation as described above, comprises the following steps: Step 1: Before re-hooking the carriage, use the installation and transportation module to quickly fix the robot arm on the rotating disk so that the robot arm can move with the base plate during the re-hooking operation; Step 2: When performing the re-hooking operation, start the DC motor so that the DC motor drives the roller to move on the track, so that the hook-breaking module on the robot arm can be close to the position of the hook, and use the hook-breaking module to lift the hook tail pin on the hook and perform the hook-breaking operation, so that the hooks of the front and rear carriages can be docked, completing the re-hooking operation.

[0012] From the above, it can be seen that the re-hooking system for railway operations provided by the present invention has the effect of enabling the re-hooking robot formed by the mechanical arm combined with the hook-breaking module to move freely at the hook position between carriages as the number of carriages increases or decreases, thereby increasing the re-hooking speed of the re-hooking robot and improving the re-hooking efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a multiple hook system for railway operation proposed by the present invention; Figure 2 This is a schematic cross-sectional view of a multiple hook system for railway operation proposed by the present invention; Figure 3 This is a schematic diagram of the structure of an installation and transportation module of a multiple hook system for railway operations proposed by the present invention; Figure 4 This is a schematic diagram of the locking ring structure of a multiple hook system for railway operations proposed by the present invention; Figure 5 This is a schematic diagram of the structure of a fixing seat of a multiple hook system for railway operation proposed by the present invention; Figure 6 This is a schematic structural diagram of a hook-breaking module of a multiple hook system for railway operations proposed by the present invention; Figure 7 The present invention is a schematic diagram of a connection frame structure of a multiple hook system for railway operation.

[0014] In the figure: 1, bearing plate; 2, support frame; 3, roller; 4, DC motor; 5, rotating disk; 6, mechanical arm; 7, track; 8, installation and transportation module; 801, rotating shaft; 802, outer gear ring; 803, connecting frame; 804, fixing pin; 805, locking ring; 806, directional buckle; 807, rack; 808, pedestal; 809, screw rod; 810, knob; 811, groove; 812, fixed seat; 813, cutting groove; 814, movable rod; 815, short shaft; 816, annular groove; 817, Insert hole; 818, rotating frame; 819, curved groove; 820, coil spring; 821, lever; 9, hook module; 901, connector; 902, motor one; 903, mounting plate; 904, stabilizing frame; 905, hydraulic rod; 906, connecting frame; 907, rectangular groove; 908, moving rod; 909, air bag; 910, boss; 911, threaded rod; 912, motor two; 913, pump; 914, air pipe; 915, shaft; 916, clamp; 917, motor three; 10, fixing table. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] The invention discloses a multiple hook system for railway operation, which is mainly applied to the scene where the multiple hook robot used in the existing multiple hook system cannot change position.

[0017] Reference Figure 1-7 A multiple hook system for railway operation includes a base plate 1, two symmetrical support frames 2 are arranged at the bottom of the base plate 1, two axles are arranged on the two support frames 2, symmetrical rollers 3 are arranged on the two axles, and a DC motor 4 is arranged on one of the axles, a rotating disk 5 is arranged above the base plate 1, and a mounting and transporting module 8 is arranged above the base plate 1, the mounting and transporting module 8 includes a rotating shaft 801, the upper side of the rotating shaft 801 is connected to the bottom of the rotating disk 5 by bolts, the bottom of the rotating shaft 801 is rotatably connected to the upper side of the base plate 1 by a bearing, a fixed platform 10 is arranged on the upper side of the rotating disk 5, and the outside of the fixed platform 10 is connected by a screw thread. Three circumferentially equidistantly distributed connecting frames 803 are connected by bolts, and insertion holes 817 are provided on the connecting frames 803. Fixing pins 804 are slidably connected in the insertion holes 817, and three circumferentially equidistantly distributed grooves 811 are provided on the rotating disk 5. The bottom inner walls of the grooves 811 are provided with openings, and fixing seats 812 are connected in the openings by bolts. The inner walls of the fixing seats 812 are slidably connected to the outside of the fixing pins 804 on the same side. A mechanical arm 6 is connected to the upper side of the fixing platform 10 by bolts, and a hook module 9 is provided on the side of the mechanical arm 6 away from the fixing platform 10, and the same track 7 is provided on the outside of the two rollers 3 on the same side.

[0018] Specifically, before performing the re-hooking operation on the carriage, the robot arm 6 is quickly fixed on the rotating disk 5 using the installation and transportation module 8, so that the robot arm 6 can move with the base plate 1 during the re-hooking operation. When performing the re-hooking operation, the DC motor 4 is started, so that the DC motor 4 drives the roller 3 to move on the track 7, so that the hook-breaking module 9 on the robot arm 6 can be close to the position of the hook, and the hook-breaking module 9 is used to lift the hook tail pin on the hook and perform the hook-breaking operation, so that the hooks of the front and rear carriages can be docked to complete the re-hooking operation; the device uses the installation and transportation module 8 to enable the robot arm 6 combined with the hook-breaking module 9 to form a re-hooking robot to move freely at the hook position between carriages as the carriages are increased or decreased, thereby increasing the re-hooking speed of the re-hooking robot and improving the re-hooking efficiency of the device.

[0019] Reference Figure 3 , Figure 4 and Figure 5In a preferred embodiment, the outer part of the rotating shaft 801 is connected to the outer toothed ring 802 by bolts, and the outer part of the outer toothed ring 802 is provided with a locking ring 805, the bottom of the locking ring 805 is slidably connected to the upper side of the bearing plate 1, and the outer part of the locking ring 805 is slidably connected to the directional buckle 806, the bottom of the directional buckle 806 is connected to the upper side of the bearing plate 1 by bolts, and the inner wall of the locking ring 805 is connected to the rack 807 by bolts, and the rack 807 is connected to the outer toothed ring 802 by bolts. The locking ring 805 is provided with a seat 808 on the outside, and a fine hole is provided on the seat 808 and the locking ring 805, and a same screw rod 809 is provided in the fine hole, and the screw rod 809 is located on the side of the directional buckle 806 away from the rotating shaft 801, and the side of the screw rod 809 away from the directional buckle 806 is connected to the knob 810 by a bolt, and the upper side of the fixed seat 812 is provided with three circumferentially equidistantly distributed grooves 813, and the grooves 813 are slidably connected with movable rods 814 The upper side of the movable rod 814 is connected to a short shaft 815 by bolts; the outside of the three fixed pins 804 is slidably connected to a rotating frame 818, and the bottoms of the three rotating frames 818 are rotatably connected to the upper sides of the three fixed seats 812 respectively through bearings. The outside of the fixed pin 804 is provided with an annular groove 816, and the outsides of the three movable rods 814 on the same fixed seat 812 are all clamped with the inner wall of the annular groove 816 on the same side, and the rotating frame 818 is provided with three circumferential The curved grooves 819 are evenly distributed, and the inner walls of the three curved grooves 819 on the same side are respectively slidably connected to the outside of the three short shafts 815; the inner wall of the rotating frame 818 is connected to the coil spring 820 by bolts, and the end of the coil spring 820 away from the rotating frame 818 is connected to the outside of the fixed seat 812 on the same side by bolts, and the outside of the rotating frame 818 is connected to the lever 821 by bolts, and the bottom of the lever 821 is slidably connected to the bottom inner wall of the groove 811 on the same side.

[0020] Specifically, when the robot arm 6 is fixed on the support plate 1, the fixing pin 804 is inserted into the rack 807 on the connecting frame 803, and the rotating frame 818 is rotated to overcome the torsion of the coil spring 820, so that the short shaft 815 pushes the movable rod 814 to move outward, so that the fixing pin 804 can be completely inserted into the fixing seat 812, and the lever 821 is released, and the movable rod 814 is quickly reset, so that the movable rod 814 is inserted into the annular groove 816, so that the fixing pin 804 fixes the connecting frame 803 on the fixing seat 812, so that the robot arm 6 is connected. The connected fixed platform 10 can be stably placed on the rotating disk 5. When it is necessary to re-hook the carriages on both sides of the base plate 1, turn the knob 810, and the knob 810 drives the screw rod 809 to rotate, thereby pushing the locking ring 805 to slide on the directional buckle 806, so that the rack 807 releases the lock on the outer gear ring 802, and rotates the rotating disk 5 connected to the rotating shaft 801. The rotating disk 5 is rotated one hundred and eighty degrees to make the mechanical arm 6 face the other side, and the knob 810 is rotated in the opposite direction to make the rack 807 re-lock the outer gear ring 802.

[0021] In specific application scenarios, the installation and transportation module 8 is mainly suitable for the installation and transportation process during the installation and transportation process, that is, the installation and transportation module 8 uses the fixing pin 804 and the fixing seat 812 to enable the fixing platform 10 connected to the robot arm 6 to be quickly and conveniently fixed on the rotating disk 5, thereby greatly reducing the workload of installing the re-hook robot on the base plate 1, and improving the installation efficiency of the installers. The rack 807 is used to lock the outer gear ring 802, so that the robot arm 6 can maintain a stable angle when performing re-hook operations on the carriages on both sides, thereby improving the positioning accuracy of the robot arm 6 on the hook.

[0022] Reference Figure 6 and Figure 7In a preferred embodiment, the hook module 9 includes a connector 901, a slot is provided at one end of the robot arm 6 away from the fixed platform 10, a round rod is rotatably connected to the slot through a bearing, the outside of the round rod is connected to the inner wall of the connector 901 through bolts, the outside of the robot arm 6 is connected to a motor 902 through bolts, the output end of the motor 902 is connected to one side of the round rod through a coupling, and the bottom of the connector 901 is connected to a mounting plate 903 through bolts, and the upper side of the mounting plate 903 is connected to a stabilizing frame through bolts. 904, the stabilizing frame 904 and the mounting plate 903 are both provided with a round opening, in which a hydraulic rod 905 is connected by bolts, and the output end of the hydraulic rod 905 is connected to a connecting frame 906 by bolts; a shaft 915 is rotatably connected to the connecting frame 906 through a bearing, and a motor 3 917 is connected to the outside of the connecting frame 906 by bolts, and the output end of the motor 3 917 is connected to one side of the shaft 915 through a coupling, and two symmetrical clamps 916 are arranged in the connecting frame 906, and the outside of the shaft 915 is connected to the shaft 915 by a bearing. The mounting plate 903 is connected with a protrusion by bolts, the outside of the protrusion is connected with the outside of one of the clamps 916 by bolts, and the outside of the other clamp 916 is connected with the inner wall of the connecting frame 906 by bolts; a rectangular groove 907 is provided on the mounting plate 903, a moving rod 908 is slidably connected in the rectangular groove 907, an air bag 909 is arranged on the outside of the moving rod 908, and a pump 913 is connected to the bottom of the mounting plate 903 by bolts, and the output end of the pump 913 is connected to the air pipe 914 through a conduit, and the air pipe 914 is far away from the pump One end of 913 is connected to the outside of the airbag 909 by bolts; the upper side of the mounting plate 903 is connected to two symmetrical bosses 910 by bolts, and the two bosses 910 are rotatably connected to the same threaded rod 911 through bearings, and a circular groove is opened on the movable rod 908, and the inner wall of the circular groove is rotatably connected to the outside of the threaded rod 911 through an external thread, and the outside of one of the bosses 910 is connected to a motor 2 912 by bolts, and the output end of the motor 2 912 is connected to one side of the threaded rod 911 through a coupling.

[0023] Specifically, when the robot arm 6 moves the mounting plate 903 to the hook position, the connection frame 906 is positioned directly above the hook tail pin on the hook, and the motor 2 912 is started. The motor 2 912 drives the threaded rod 911 to rotate, so that the moving rod 908 slides to the position of the hook ear hole on the rectangular groove 907 and is inserted, and the motor 3 917 is started. The motor 3 917 drives the shaft rod 915 to rotate, so that the closed clamp 916 is opened, so that the clamp 916 can clamp the hook tail pin, and the hydraulic rod 905 is started. The output end of the hydraulic rod 905 is retracted, so that the hook tail pin is lifted out of the coupler, so that the coupler can move, and the pump 913 is started. The pump 913 pumps air into the air bag 909 through the air pipe 914 to expand the air bag 909, thereby completing the hook breaking.

[0024] In a specific application scenario, the hook-breaking module 9 is mainly suitable for the hook-breaking link in the hook-breaking process, that is, the hook-breaking module 9 can use the airbag 909 and the connecting frame 906 to be a device that, after completing the lifting of the hook tail pin, moves the hook to rotate the hook outward, thereby contacting the closed state of the hook, so that the front and rear carriages can be connected and re-hooked, avoiding the situation where the closed hooks collide with each other and are damaged, and improving the success rate of re-hooking.

[0025] A method for re-hooking for railway operation, using the re-hooking system for railway operation as described above, comprises the following steps: Step 1: Before re-hooking the carriage, use the installation and transportation module 8 to quickly fix the mechanical arm 6 on the rotating disk 5, so that the mechanical arm 6 can move with the support plate 1 during the re-hooking operation (before re-hooking the carriage, insert the fixing pin 804 into the rack 807 on the connecting frame 803, overcome the torsion of the coil spring 820, rotate the rotating frame 818, so that the short shaft 815 pushes the movable rod 814 to move outward, so that the fixing pin 804 can be completely inserted into the fixing seat 812, release the lever 821, and the movable rod 814 is quickly reset, so that the movable rod 814 is inserted into the annular groove 816 so that the fixing pin 804 can be completely inserted into the fixing seat 812 ... The fixing pin 804 fixes the connecting frame 803 on the fixing seat 812, so that the fixing platform 10 connected to the mechanical arm 6 can be stably placed on the rotating disk 5. When it is necessary to re-hook the carriages on both sides of the bearing plate 1, the knob 810 is turned, and the knob 810 drives the screw rod 809 to rotate, thereby pushing the locking ring 805 to slide on the directional buckle 806, so that the rack 807 releases the lock on the outer gear ring 802, and the rotating disk 5 connected to the rotating shaft 801 is rotated, and the rotating disk 5 is rotated 180 degrees, so that the mechanical arm 6 faces the other side, and the knob 810 is rotated in the opposite direction, so that the rack 807 re-locks the outer gear ring 802); Step 2: When performing the re-hooking operation, start the DC motor 4, so that the DC motor 4 drives the roller 3 to move on the track 7, so that the hook-breaking module 9 on the mechanical arm 6 can be close to the position of the hook, and the hook-breaking module 9 is used to pull the hook tail pin on the hook, and the hook-breaking operation is performed, so that the hooks of the front and rear carriages can be docked, and the re-hooking operation is completed (when performing the re-hooking operation, start the DC motor 4, so that the DC motor 4 drives the roller 3 to move on the track 7, so that the hook-breaking module 9 on the mechanical arm 6 can be close to the position of the hook, and when the mechanical arm 6 moves the mounting plate 903 to the hook position, the position of the connecting frame 906 is located at the hook tail on the hook Directly above the pin, start motor 2 912, which drives threaded rod 911 to rotate, so that moving rod 908 slides to the position of hook ear hole on rectangular groove 907 and is inserted, start motor 3 917, which drives shaft rod 915 to rotate, so that closed clamp 916 opens, so that clamp 916 can clamp the hook tail pin, start hydraulic rod 905, and retract the output end of hydraulic rod 905, so as to lift the hook tail pin from the coupler so that the coupler can move, start pump 913, and pump 913 pumps air into air bag 909 through air pipe 914 to inflate air bag 909, thereby completing the hook breaking).

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multiple hook system for railway operation, comprising a cap plate (1), characterized in that: Two symmetrical support frames (2) are arranged at the bottom of the support plate (1), two axles are arranged on the two support frames (2), both axles are arranged with symmetrical rollers (3), and one of the axles is arranged with a DC motor (4), a rotating disk (5) is arranged above the support plate (1), and a mounting and transporting module (8) is arranged above the support plate (1), the mounting and transporting module (8) comprises a rotating shaft (801), the upper side of the rotating shaft (801) is fixedly connected to the bottom of the rotating disk (5), the bottom of the rotating shaft (801) is movably connected to the upper side of the support plate (1), a fixed platform (10) is arranged on the upper side of the rotating disk (5), and the outside of the fixed platform (10) is fixedly connected with three circumferential surfaces. A connecting frame (803) is provided with an insertion hole (817) on the connecting frame (803), and a fixing pin (804) is slidably connected in each of the insertion holes (817). The rotating disk (5) is provided with three grooves (811) equidistantly distributed around the circumference, and the bottom inner walls of the grooves (811) are provided with openings, and a fixing seat (812) is fixedly connected in each of the openings, and the inner walls of the fixing seats (812) are slidably connected to the outside of the fixing pin (804) on the same side. A mechanical arm (6) is fixedly connected to the upper side of the fixing platform (10), and a hook module (9) is provided on the side of the mechanical arm (6) away from the fixing platform (10), and the same track (7) is provided on the outside of the two rollers (3) on the same side.

2. A multiple hook system for railway operation according to claim 1, characterized in that: The outside of the rotating shaft (801) is fixedly connected to an outer toothed ring (802), the outside of the outer toothed ring (802) is provided with a locking ring (805), the bottom of the locking ring (805) is slidably connected to the upper side of the support plate (1), the outside of the locking ring (805) is slidably connected to a directional buckle (806), the bottom of the directional buckle (806) is fixedly connected to the upper side of the support plate (1), and the inner wall of the locking ring (805) is fixedly connected to a rack (807), and the rack (807) is clamped to the outer toothed ring (802).

3. A multiple hook system for railway operation according to claim 2, characterized in that: A pedestal (808) is arranged outside the locking ring (805), and fine holes are provided on the pedestal (808) and the locking ring (805), and a same screw rod (809) is arranged in the fine hole, and the screw rod (809) is located on a side of the directional buckle (806) away from the rotating shaft (801), and a knob (810) is fixedly connected to the side of the screw rod (809) away from the directional buckle (806), and three circumferentially equidistantly distributed grooves (813) are provided on the upper side of the fixed seat (812), and movable rods (814) are slidably connected in the grooves (813), and a short shaft (815) is fixedly connected to the upper side of the movable rod (814).

4. A multiple hook system for railway operation according to claim 3, characterized in that: The outsides of the three fixed pins (804) are all slidably connected to a rotating frame (818), the bottoms of the three rotating frames (818) are movably connected to the upper sides of the three fixed seats (812), the outsides of the fixed pins (804) are all provided with an annular groove (816), the outsides of the three movable rods (814) on the same fixed seat (812) are all snap-fitted to the inner wall of the annular groove (816) on the same side, and the rotating frame (818) is provided with three circumferentially equidistantly distributed curved grooves (819), and the inner walls of the three curved grooves (819) on the same side are slidably connected to the outsides of the three short shafts (815), respectively.

5. A multiple hook system for railway operation according to claim 4, characterized in that: The inner wall of the rotating frame (818) is fixedly connected with a coil spring (820), one end of the coil spring (820) away from the rotating frame (818) is fixedly connected to the outside of the fixed seat (812) on the same side, and the outside of the rotating frame (818) is fixedly connected with a lever (821), and the bottom of the lever (821) is slidably connected to the bottom inner wall of the groove (811) on the same side.

6. A multiple hook system for railway operation according to claim 5, characterized in that: The hook-breaking module (9) comprises a connecting piece (901), a slot is provided at one end of the mechanical arm (6) away from the fixed platform (10), a round rod is movably connected in the slot, the outside of the round rod is fixedly connected to the inner wall of the connecting piece (901), a motor 1 (902) is fixedly connected to the outside of the mechanical arm (6), the output end of the motor 1 (902) is connected to one side of the round rod through a coupling, and a mounting plate (903) is fixedly connected to the bottom of the connecting piece (901), a stabilizing frame (904) is fixedly connected to the upper side of the mounting plate (903), a round opening is provided on both the stabilizing frame (904) and the mounting plate (903), a hydraulic rod (905) is fixedly connected in the round opening, and a connecting frame (906) is fixedly connected to the output end of the hydraulic rod (905).

7. A multiple hook system for railway operation according to claim 6, characterized in that: The connection frame (906) is movably connected to a shaft (915), the outside of the connection frame (906) is fixedly connected to a motor three (917), the output end of the motor three (917) is connected to one side of the shaft (915) via a coupling, and two symmetrical clamps (916) are arranged in the connection frame (906), the outside of the shaft (915) is fixedly connected to a protrusion, the outside of the protrusion is fixedly connected to the outside of one of the clamps (916), and the outside of the other clamp (916) is fixedly connected to the inner wall of the connection frame (906).

8. A multiple hook system for railway operation according to claim 7, characterized in that: The mounting plate (903) is provided with a rectangular groove (907), a moving rod (908) is slidably connected in the rectangular groove (907), an air bag (909) is arranged outside the moving rod (908), and a pump (913) is fixedly connected to the bottom of the mounting plate (903), an output end of the pump (913) is connected to an air supply pipe (914) via a conduit, and an end of the air supply pipe (914) away from the pump (913) is fixedly connected to the outside of the air bag (909).

9. A multiple hook system for railway operation according to claim 8, characterized in that: Two symmetrical bosses (910) are fixedly connected to the upper side of the mounting plate (903), and the two bosses (910) are movably connected to the same threaded rod (911). A circular notch is provided on the movable rod (908), and the inner wall of the circular notch is rotatably connected to the outside of the threaded rod (911) via an external thread, and a second motor (912) is fixedly connected to the outside of one of the bosses (910), and the output end of the second motor (912) is connected to one side of the threaded rod (911) via a coupling.

10. A method for re-hooking for railway operation, using the re-hooking system for railway operation as claimed in claim 9, characterized in that: The steps include: Step 1: Before performing a re-hooking operation on the carriage, use the installation and transportation module (8) to quickly fix the mechanical arm (6) on the rotating disk (5), so that the mechanical arm (6) can move with the support plate (1) during the re-hooking operation; Step 2: When performing the re-hooking operation, the DC motor (4) is started, so that the DC motor (4) drives the roller (3) to move on the track (7), so that the hook-breaking module (9) on the mechanical arm (6) can approach the position of the hook, and the hook-breaking module (9) is used to pull the hook tail pin on the hook and perform the hook-breaking operation, so that the hooks of the front and rear carriages can be connected, and the re-hooking operation is completed.

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