CN218949405U - Traction system for ship passing through long-distance tunnel - Google Patents

Abstract

The utility model discloses a traction system for a ship passing through a long-distance tunnel, which comprises guide rails, wherein the guide rails are arranged on channel walls on two sides of a channel, and a plurality of guide rails are arranged along the length direction of the channel walls; the two groups of floating boxes are respectively connected with guide rails arranged on two channel walls on two sides of the channel and can move up and down along the guide rails; the two walking rails are arranged on the group of buoyancy tanks respectively, and the length direction of the walking rails is along the length direction of the channel wall; the traction device is arranged on the walking track and can move along the walking track; the utility model solves the problems of inconvenient traction, braking, guiding and power supply and distribution when the navigation ship passes through the tunnel under the working condition that the water level of the channel greatly fluctuates, and can effectively improve the safety and efficiency of the ship passing through the channel with a long tunnel and the water level greatly fluctuates.

Description

Traction system for ship passing through long-distance tunnel

Technical Field

The utility model relates to the technical field of navigation ship traction, in particular to a ship traction system for passing through a long-distance tunnel.

Background

With the development of economy and society, the ship passing demand is vigorous, the passing capacity of the three gorges junction cannot meet the increasing ship passing demand, the ship waiting phenomenon is serious, and the existing ship passing capacity cannot meet the future passing demand.

In the process of planning, constructing and researching a new water channel of the three gorges junction, the new water channel planning channel line is required to pass through a larger mountain, when a ship passes through the new water channel, the ship is required to navigate through a long tunnel channel, and the water level fluctuation at the upstream of the three gorges junction is larger. Therefore, the following main points are the influence on the safe and efficient navigation of the new water transportation channel: firstly, when the ship has electrical faults and mechanical system faults, the ship cannot self-navigate to block a tunnel navigation groove, so that a new water transportation channel is disconnected, and the ship stays in the new water transportation channel for a long time; secondly, because the driving level of the ship is uneven, the water level fluctuation at the upstream of the three gorges junction is large, the sailing speed of the ship from sailing through a new water transport channel is controlled to be in a low-speed interval of 0.5m/s-1m/s, and the problems of long time consumption, low efficiency and the like exist; and thirdly, when the ship passes through the tunnel navigation groove, the long tunnel is relatively closed, so that pollution such as ship tail gas and engine noise is serious, if the ship cannot pass through the long tunnel quickly, the physical and mental health of passengers and crews on the navigation ship can be seriously affected, and the large potential safety hazard exists.

Disclosure of Invention

The utility model aims to provide a traction system for a ship to pass through a long-distance tunnel, which can effectively improve the safety and efficiency of the ship to pass through a channel with the long tunnel and the water level greatly fluctuating.

The utility model is realized in the following way: a traction system for a vessel passing through a long-haul tunnel, comprising:

the guide rails are arranged on the channel walls at two sides of the channel, and a plurality of guide rails are arranged along the length direction of the channel walls;

the two groups of floating boxes are respectively connected with guide rails arranged on two channel walls on two sides of the channel and can move up and down along the guide rails;

the two travelling rails are respectively arranged on a group of buoyancy tanks, and the length direction of the travelling rails is along the length direction of the channel wall;

the traction device is arranged on the walking rail and can move along the walking rail.

Optionally, the guide rail comprises a first guide rail and a second guide rail, wherein the first guide rail is a T-shaped track, and the second guide rail is a linear track; the buoyancy tank comprises a closed tank body, double guide devices and unidirectional transverse guide devices, wherein the double guide devices and the unidirectional transverse guide devices are arranged on one surface, close to the channel wall, of the closed tank body, a plurality of double guide devices are arranged, the double guide devices are sequentially arranged along the vertical direction, and each double guide device is connected with a first guide rail; the unidirectional transverse guide devices are arranged in a plurality, are sequentially arranged along the vertical direction, and are connected with the second guide rail; and connecting structures for connecting two adjacent closed boxes are arranged at two ends of the closed box.

Optionally, the dual guide device includes: one set of forward longitudinal guide wheel set, two sets of reverse longitudinal guide wheel sets, two sets of transverse guide wheel sets, a hinge shaft and a connecting piece; an upper beam and a lower beam are horizontally arranged on one surface of the buoyancy tank, which is close to the wall of the channel, the upper beam is positioned above the lower beam, double guide devices are arranged on the upper beam and the lower beam, and the double guide devices on the upper beam are positioned right above the double guide devices on the lower beam; the positive longitudinal guide wheel set is arranged at the bottom of the upper cross beam and the upper part of the lower cross beam; the hinge shafts of the transverse guide wheel sets are arranged at two ends of the balance beam of the transverse guide wheel sets, and the balance beam of the transverse guide wheel sets and the balance beam of the reverse longitudinal guide wheel sets share a vertical hinge shaft;

the unidirectional transverse guide device guide wheel moves up and down along the second guide rail along with the floating of the buoyancy tank, and comprises a cantilever guide wheel device, a hinge shaft, a bushing, a disc spring assembly and a support, and the structure of the unidirectional transverse guide device guide wheel is the same as that of a transverse guide wheel set of the double guide devices.

Optionally, draw gear includes traction trolley, running gear, cable receive and releases device, remote control system and on-the-spot control system, traction trolley passes through running gear and links to each other with the walking track, cable receive and releases the device setting on traction trolley, cable receive and releases the device and include the reel, the reel is last to be reeled with traction cable, cable receive and releases the device and be used for rotating the reel and realize the receive and release of traction cable.

Optionally, the travelling device comprises four travelling wheels, four variable frequency motors, two frequency converters and an absolute value encoder, two groups of the four travelling wheels are symmetrically arranged on two sides of the traction trolley, each travelling wheel is connected with one variable frequency motor, the four variable frequency motors are equally divided into two groups, travelling wheels controlled by the two groups of variable frequency motors are respectively positioned on two sides of the traction trolley, and each group of variable frequency motors are respectively connected with one frequency converter; the two frequency converters are divided into a driving frequency converter and a driven frequency converter, an absolute value encoder is arranged on a travelling wheel controlled by the driven frequency converter, and the absolute value encoder is electrically connected with the driven frequency converter.

Optionally, the device also comprises a braking device, wherein the braking device comprises a steel wire rope hoisting system, a steel wire rope and a guide fixed pulley; the steel wire rope winding system comprises a frame, a steel wire rope winding drum, a driving motor, a speed reducer, a brake and a control system of the driving motor; the frame is arranged on the buoyancy tank, the steel wire rope winding drum, the driving motor, the speed reducer and the brake are all arranged on the frame, an output shaft of the driving motor is connected with an input shaft of the speed reducer through a coupler, an output shaft of the speed reducer is connected with the steel wire rope winding drum, and the steel wire rope winding drum is simultaneously connected with the brake; one end of the steel wire rope is fixed on the steel wire rope reel, the other end of the steel wire rope is provided with a cable grommet, the guide fixed pulley is fixedly arranged on the buoyancy tank, and the steel wire rope passes through the guide fixed pulley.

Optionally, the device further comprises a guiding device, wherein the guiding device comprises a plurality of groups of guiding wheel mechanisms, each group of guiding wheel mechanisms is arranged on one surface of the buoyancy tank far away from the channel wall, each group of guiding wheel mechanisms is sequentially arranged along the height direction of the buoyancy tank, and each group of guiding wheel mechanisms comprises a plurality of guiding wheel mechanisms sequentially arranged along the length direction of the buoyancy tank; the guide wheel mechanism comprises a guide wheel and a guide wheel support hinged support, the guide wheel support hinged support is arranged on the buoyancy tank, and the guide wheel is arranged on the guide wheel support hinged support; the top of the guide wheel support hinged support of the uppermost group of guide wheel mechanisms is fixedly provided with a bollard.

Optionally, the device further comprises a power supply device, wherein the power supply device comprises a safety sliding contact wire and a current collector; the safety sliding contact line is arranged at the top of the buoyancy tank and is arranged parallel to the walking track; the safety sliding contact line is connected with a power supply, the current collector is fixedly arranged on the traction device, and the traction device is electrically connected with the safety sliding contact line through the current collector.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model solves the problems of inconvenient traction, braking, guiding and power supply and distribution when the navigation ship passes through the tunnel under the working condition that the water level of the channel greatly fluctuates, and can effectively improve the safety and efficiency of the ship passing through the channel with a long tunnel and the water level greatly fluctuates.

2. The utility model can remotely control the traction device and drag the ship to pass through the tunnel channel, and the engine is stopped when the ship enters and exits the tunnel channel, thereby not only reducing the pollution of the ship tail gas and noise, but also reducing the operation cost of the ship side.

3. The guiding device has two functions of guiding anti-collision and ship mooring, and effectively saves construction cost.

4. The buoyancy tank is matched and connected with the T-shaped first guide rail through the double guide devices, can realize guiding and limiting in the front, back, left and right directions, and can realize limiting in the left and right directions through the one-way transverse guide device matched and connected with the linear second guide rail. The guide and the limit in all directions can be realized by comprehensive use, and the installation and the overhaul of the buoyancy tank are convenient.

Drawings

FIG. 1 is a schematic view of the structure of the utility model taken through a section of the channel wall;

FIG. 2 is a top view of the utility model taken along a length;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the buoyancy tank of the present utility model in a front elevation view;

FIG. 5 is a schematic view of the buoyancy tank of the present utility model in a rear plan view;

FIG. 6 is a schematic structural view of the traction device of the present utility model;

FIG. 7 is a schematic view of the structure of the brake device of the present utility model;

FIG. 8 is a schematic diagram of the wire rope hoist system of the brake apparatus of the present utility model;

FIG. 9 is a schematic view of the guide of the present utility model;

FIG. 10 is a schematic perspective view of a dual guide of the present utility model;

FIG. 11 is a top view of the dual guide of the present utility model;

fig. 12 is a schematic structural view of a safety slide wire of the power supply device of the present utility model.

In the above figures: 1. a buoyancy tank; 101. a closed box body; 102. a double guide device; 1021. a forward longitudinal guide wheel set; 1022. reverse longitudinal guide wheel sets; 1023. a transverse guide wheel set; 1024. a hinge shaft; 1025. a connecting piece; 103. a unidirectional transverse guide device; 2. a traction device; 201. a traction trolley; 202. a walking device; 203. traction cable; 204. a cable winding and unwinding device; 205. a remote control system; 206. a field control system; 3. a braking device; 301. a wire rope winding system; 3011. a frame; 3012. a wire rope reel; 3013. a driving motor; 3014. a speed reducer; 3015. a brake; 302. a wire rope; 303. a guide fixed pulley; 4. a guide device; 401. a guide wheel mechanism; 4011. a guide wheel; 4012. a guide wheel support hinged support; 4013. a dolphin; 5. a power supply device; 501. a safety trolley line; 6. a first guide rail; 7. a walking rail; 8. a second guide rail; 9. a channel wall.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following is further described with reference to the accompanying drawings and specific examples:

example 1

The present embodiment provides a traction system for a ship passing through a long-distance tunnel, as shown in fig. 1, 2 and 3, including a channel wall 9 of the channel, a guide rail, a buoyancy tank 1, a travel rail 7, a traction device 2, a braking device 3, a guiding device 4 and a power supply device 5. The guide rail comprises a first guide rail 6 and a second guide rail 8, wherein the first guide rail 6 is a T-shaped rail, the T-shaped rail is a T-shaped rail with a transverse cross section, the second guide rail 8 is a linear rail, and the linear rail is a rectangular rail with a transverse cross section. The first guide rail 6 and the second guide rail 8 are vertically arranged on the channel wall 9 at two sides of the channel, and a plurality of guide rails are arranged along the length direction of the channel wall 9.

In some embodiments, as shown in fig. 2, 4, 5, 10 and 11, the buoyancy tanks 1 are provided in two groups, each group of buoyancy tanks 1 comprising a plurality of buoyancy tanks 1 connected in sequence. The two groups of buoyancy tanks 1 are respectively connected with a first guide rail 6 and a second guide rail 8 which are arranged on two channel walls 9 on two sides of the channel. The buoyancy tank 1 comprises a closed tank body 101, a double-guide device 102 and a unidirectional transverse guide device 103, wherein connecting structures are arranged at two ends of the closed tank body 101, the connecting structures can be connected in a bolt connection mode and the like, and the connecting structures are used for connecting two adjacent closed tank bodies 101. An upper beam and a lower beam are horizontally arranged on one surface of the closed box body 101 of the buoyancy tank 1, which is close to the channel wall 9, and the upper beam is positioned above the lower beam. The double guide 102 and the unidirectional lateral guide 103 are both provided on the upper and lower cross beams. The buoyancy tank 1 is matched and connected with the first guide rail 6 through the double guide devices 102, and is matched and connected with the second guide rail 8 through the unidirectional transverse guide device 103.

In other embodiments, as shown in fig. 10 and 11, the double guide 102 includes one set of forward longitudinal guide wheel sets 1021, two sets of reverse longitudinal guide wheel sets 1022, two sets of transverse guide wheel sets 1023, a hinge shaft 1024, and a link 1025. The double guide devices 102 are arranged on the upper beam and the lower beam, and the double guide devices 102 on the upper beam are positioned right above the double guide devices 102 on the lower beam. The positive longitudinal guiding wheel set 1021 is arranged at the bottom of the upper cross beam and the upper part of the lower cross beam, and the positive longitudinal guiding wheel set 1021 comprises a guide wheel, a rolling bearing, an eccentric shaft, a shaft sleeve, a shaft bushing, a partition plate, a blank cap, a transparent cap, a lubricating device, a support and a connecting frame. The reverse longitudinal guide wheel set 1022 and the transverse guide wheel set 1023 are arranged at the top of the upper cross beam and the bottom of the lower cross beam, the reverse longitudinal guide wheel set 1022 comprises a cantilever guide wheel device, a support, a balance beam and a sliding bearing, and the cantilever guide wheel device comprises a guide wheel, a rolling bearing, a hinge shaft, a blank cap, a transparent cap, a lubricating device and a connecting frame. The horizontal guiding wheel set 1023 comprises a cantilever guiding wheel device, a hinge shaft, a balance beam, a bushing and a disc spring assembly, wherein the cantilever guiding wheel device comprises a guiding wheel, a rolling bearing, a pulley shaft, a blank cap, a transparent cap, a lubricating device and a connecting piece, and the disc spring assembly comprises a disc spring, a disc spring pin and a shaft sleeve. The hinge shafts of the transverse guide wheel sets 1023 are arranged at two ends of the balance beam, and the balance beam of the transverse guide wheel sets 1023 and the balance beam of the reverse longitudinal guide wheel set 1022 share the vertical hinge shaft. Each double-guide device 102 moves up and down along the first guide rail 6 along with the floating of the buoyancy tank 1, and the double-guide devices 102 are matched and connected with the T-shaped first guide rail 6, so that the guiding and limiting in the front, back, left and right directions can be realized. The unidirectional transverse guiding device 103 comprises a cantilever guide wheel device, a hinge shaft, a bushing, a disc spring assembly and a support, the structure of the unidirectional transverse guiding device 103 is the same as that of a transverse guiding wheel set 1023 of the double guiding device 102, the guide wheels of the unidirectional transverse guiding device 103 float along the second guide rail 8 along with the buoyancy tank 1 to move up and down, and the unidirectional transverse guiding device 103 is matched and connected with the linear second guide rail 8, so that the limit in the left-right direction can be realized. The comprehensive use can realize the guiding and limiting in all directions, and is convenient for the installation and maintenance of the buoyancy tank 1.

In some preferred embodiments, as shown in fig. 1, 2 and 3, two sets of buoyancy tanks 1 are each provided with a travelling rail 7, and the length direction of the travelling rail 7 is along the length direction of the channel wall 9. The traveling rail 7 is used for supporting the traction carriage 201 of the traction device 2 to travel. As shown in fig. 6, the traction device 2 includes a traction cart 201, a running gear 202, a cable winding and unwinding device 204, a remote control system 205, and a site control system 206, and the traction cart 201 is connected to the running rail 7 through the running gear 202. The traveling device 202 comprises four traveling wheels, four variable frequency motors, two frequency converters and an absolute value encoder, wherein two groups of four traveling wheels are symmetrically arranged on two sides of the traction trolley 201, each traveling wheel is connected with one variable frequency motor respectively, the four variable frequency motors are equally divided into two groups, the traveling wheels controlled by the two groups of variable frequency motors are respectively positioned on two sides of the traction trolley 201, and each group of variable frequency motors are respectively connected with one frequency converter. The two frequency converters are divided into a driving frequency converter and a driven frequency converter, an absolute value encoder is arranged on a travelling wheel controlled by the driven frequency converter, and the absolute value encoder is electrically connected with the driven frequency converter. The absolute value encoder is used for walking synchronization correction, so that the rotation speed and the torque of each walking variable frequency motor are consistent, and the walking electric synchronization of the traction trolley 201 is realized. The cable winding and unwinding device 204 is arranged on the traction trolley 201, the cable winding and unwinding device 204 comprises a frame, a motor, a speed reducer and a winding drum, the motor, the speed reducer and the winding drum are all arranged on the frame, the motor can drive the winding drum to rotate through the speed reducer, the traction cable 203 is wound on the winding drum, and the cable winding and unwinding device 204 can rotate the winding drum to realize winding and unwinding of the traction cable 203. The running gear 202 and the cable winding and unwinding device 204 are electrically connected to a remote control system 205 and a field control system 206. The remote control system 205 comprises a manual step-by-step operation subsystem and an automatic control operation subsystem, wherein the manual step-by-step operation subsystem and the automatic control operation subsystem can carry out data communication, the manual step-by-step operation subsystem can monitor the operation data of the automatic control operation subsystem and the operation state of the traction device 2 in real time and is used for starting, operating and stopping the traction device 2 and emergency braking of the traction device 2 under emergency working conditions, and when the automatic control operation subsystem fails due to failure, the automatic control operation subsystem is switched to the manual step-by-step operation subsystem, so that the traction device 2 can be operated remotely and manually. The site control system 206 may be disposed on the traction cart 201 or in a machine room at the side of the channel, and when the remote control system 205 and the site control system 206 have a data communication failure, the site control system 206 may be manually operated to operate the traction device 2 in an emergency.

In other preferred embodiments, as shown in fig. 1, 3 and 12, the power supply device 5 includes a safety trolley line 501 and a current collector. The safety trolley line 501 is arranged on the top of the buoyancy tank 1, and is installed close to and parallel to the walking track 7. The safety sliding contact line 501 is connected with a power supply, the current collector is fixedly arranged on the traction device 2, and the traction device 2 is electrically connected with the safety sliding contact line 501 through the current collector, so that continuous and uninterrupted power supply of the traction device 2 is realized. The two sets of current collectors are mutually hot, so that the problem that the traction device 2 cannot be used normally due to the damage of the current collectors can be effectively solved.

In some preferred embodiments, as shown in fig. 2, 7 and 8, the braking device 3 comprises a wire rope hoisting system 301, a wire rope 302 and a guide fixed sheave 303. The wire rope hoist system 301 includes a frame 3011, wire rope drums 3012, a drive motor 3013, a decelerator 3014, a brake 3015, and a control system for the drive motor 3013. The frame 3011 is installed on the buoyancy tank 1, and the wire rope reel 3012, the driving motor 3013, the speed reducer 3014 and the brake 3015 are all installed on the frame 3011, and the output shaft of the driving motor 3013 and the input shaft of the speed reducer 3014 are connected through a coupling, and the output shaft of the speed reducer 3014 is connected with the wire rope reel 3012, and the wire rope reel 3012 is connected with the brake 3015. One end of the steel wire rope 302 is fixed on the steel wire rope drum 3012, the other end is provided with a cable loop, the guide fixed pulley 303 is fixedly arranged on the buoyancy tank 1, and the steel wire rope 302 passes through the guide fixed pulley 303.

In other preferred embodiments, as shown in fig. 2, 3, 4 and 9, the guiding device 4 comprises three sets of guiding wheel mechanisms 401, the three sets of guiding wheel mechanisms 401 are all arranged on the surface of the buoyancy tank 1 far away from the channel wall 9, and each set of guiding wheel mechanisms 401 is arranged in sequence along the height direction of the buoyancy tank 1, and each set of guiding wheel mechanisms 401 comprises a plurality of guiding wheel mechanisms 401 arranged in sequence along the length direction of the buoyancy tank 1. The guide wheel mechanism 401 comprises a guide wheel 4011 and a guide wheel hinge seat 4012, wherein the guide wheel hinge seat 4012 is arranged on the buoyancy tank 1, and the guide wheel 4011 is arranged on the guide wheel hinge seat 4012. The outer ring of the guide wheel 4011 is made of solid rubber, the guide wheel 4011 can smoothly rotate, and the guide anti-collision effect is better. A mooring post 4013 is fixedly arranged at the top of the guide wheel hinge seat 4012 of the uppermost group of guide wheel mechanisms 401. The guide wheel mechanism 401 moves up and down along with the buoyancy tank 1, and can adapt to the guiding of the navigation ship under the working condition that the water level greatly fluctuates. Because the top of the guide wheel hinge seat 4012 of the uppermost group of guide wheel mechanisms 401 is fixedly provided with the mooring post 4013, the uppermost group of guide wheel mechanisms 401 has the function of emergency mooring ropes besides the guiding function, so that the guiding device 4 has the functions of guiding anti-collision and ship mooring ropes at the same time, and the construction cost is effectively saved.

The working principle of the utility model is as follows: the utility model is provided with the buoyancy tank 1, other devices can be arranged on the buoyancy tank 1, and when the water level in the channel fluctuates, the devices can synchronously move up and down along with the buoyancy tank 1, so that the problem that the navigation ship is inconvenient to pull, brake, guide and power supply and distribution when passing through a tunnel under the working condition that the water level of the channel greatly fluctuates is solved. When the navigation ship sails through the hub navigation building from the navigation, the traffic management department limits the sailing speed of the ship to 0.5m/s-1m/s, and the traction device 2 can drive the navigation ship to sail at the speed of 3m/s, so that the speed of the ship entering and exiting the tunnel channel is doubled, the time consumption of the ship passing through the hub navigation building is shortened, and the operation efficiency of the hub navigation building is greatly improved. The tunnel channel is a long and narrow airtight space, if the ship adopts a self-sailing mode when passing through the tunnel channel, the tail gas and noise pollution of the ship are serious, and the remote control traction device 2 can drag the ship to pass through the tunnel channel, and the engine is stopped when the ship enters and exits from the tunnel channel, so that the tail gas and noise pollution of the ship are reduced, and the operation cost of the ship is reduced.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A traction system for a vessel passing through a long-distance tunnel, comprising:

the guide rails are arranged on the channel walls at two sides of the channel, and a plurality of guide rails are arranged along the length direction of the channel walls;

the two groups of floating boxes are respectively connected with guide rails arranged on two channel walls on two sides of the channel and can move up and down along the guide rails;

the two travelling rails are respectively arranged on a group of buoyancy tanks, and the length direction of the travelling rails is along the length direction of the channel wall;

the traction device is arranged on the walking rail and can move along the walking rail.

2. A hauling system for a vessel through a long distance tunnel according to claim 1, wherein the rails include a first rail and a second rail, the first rail being a T-shaped rail and the second rail being a linear rail; the buoyancy tank comprises a closed tank body, a double-guide device and a unidirectional transverse guide device, wherein the double-guide device and the unidirectional transverse guide device are arranged on one surface, close to the channel wall, of the closed tank body, and the double-guide device is connected with the first guide rail in a matched manner; the unidirectional transverse guide device is matched and connected with the second guide rail; and connecting structures for connecting two adjacent closed boxes are arranged at two ends of the closed box.

3. A towing system for a vessel through a long haul tunnel in accordance with claim 2, wherein said double guide means comprises a set of forward longitudinal guide wheelsets, two sets of reverse longitudinal guide wheelsets, two sets of transverse guide wheelsets, a hinge shaft and a connector; an upper beam and a lower beam are horizontally arranged on one surface of the buoyancy tank, which is close to the wall of the channel, the upper beam is positioned above the lower beam, double guide devices are arranged on the upper beam and the lower beam, and the double guide devices on the upper beam are positioned right above the double guide devices on the lower beam; the positive longitudinal guide wheel set is arranged at the bottom of the upper cross beam and the upper part of the lower cross beam; the balance beams of the transverse guide wheel groups and the balance beams of the reverse longitudinal guide wheel groups share a vertical hinge shaft;

the unidirectional transverse guide device guide wheel moves up and down along the second guide rail along with the floating of the buoyancy tank, and comprises a cantilever guide wheel device, a hinge shaft, a bushing, a disc spring assembly and a support, and the structure of the unidirectional transverse guide device guide wheel is the same as that of a transverse guide wheel set of the double guide devices.

4. The hauling system for a vessel through a long distance tunnel according to claim 1, wherein the hauling device comprises a hauling trolley, a traveling device, a cable winding and unwinding device, a remote control system and a site control system, the hauling trolley is connected with the traveling rail through the traveling device, the cable winding and unwinding device is arranged on the hauling trolley, the cable winding and unwinding device comprises a winding drum, the winding drum is wound with a hauling cable, and the cable winding and unwinding device is used for rotating the winding drum to realize winding and unwinding of the hauling cable.

5. The system for towing a ship through a long-distance tunnel according to claim 4, wherein the travelling device comprises four travelling wheels, four variable frequency motors, two frequency converters and an absolute value encoder, two groups of four travelling wheels are symmetrically arranged on two sides of the towing trolley, each travelling wheel is respectively connected with one variable frequency motor, the four variable frequency motors are equally divided into two groups, travelling wheels controlled by the two groups of variable frequency motors are respectively positioned on two sides of the towing trolley, and each group of variable frequency motors are respectively connected with one frequency converter; the two frequency converters are divided into a driving frequency converter and a driven frequency converter, an absolute value encoder is arranged on a travelling wheel controlled by the driven frequency converter, and the absolute value encoder is electrically connected with the driven frequency converter.

6. A hauling system for a vessel through a long distance tunnel according to any one of claims 1 to 5, further comprising a braking device including a wire rope hoisting system, a wire rope and a guiding crown block; the steel wire rope winding system comprises a frame, a steel wire rope winding drum, a driving motor, a speed reducer, a brake and a control system of the driving motor; the frame is arranged on the buoyancy tank, the steel wire rope winding drum, the driving motor, the speed reducer and the brake are all arranged on the frame, an output shaft of the driving motor is connected with an input shaft of the speed reducer through a coupler, an output shaft of the speed reducer is connected with the steel wire rope winding drum, and the steel wire rope winding drum is simultaneously connected with the brake; one end of the steel wire rope is fixed on the steel wire rope reel, the other end of the steel wire rope is provided with a cable grommet, the guide fixed pulley is fixedly arranged on the buoyancy tank, and the steel wire rope passes through the guide fixed pulley.

7. A towing system for a vessel through a long haul tunnel according to any one of claims 1-5, further comprising a guiding device comprising a plurality of sets of guiding wheel mechanisms, each set of guiding wheel mechanisms being disposed on a side of the pontoon remote from the wall of the passage, each set of guiding wheel mechanisms being disposed in sequence along the height direction of the pontoon, each set of guiding wheel mechanisms comprising a plurality of guiding wheel mechanisms disposed in sequence along the length direction of the pontoon; the guide wheel mechanism comprises a guide wheel and a guide wheel support hinged support, the guide wheel support hinged support is arranged on the buoyancy tank, and the guide wheel is arranged on the guide wheel support hinged support; the top of the guide wheel support hinged support of the uppermost group of guide wheel mechanisms is fixedly provided with a bollard.

8. A traction system for a vessel through a long-distance tunnel according to any one of claims 1-5, further comprising a power supply device comprising a safety trolley line and a current collector; the safety sliding contact line is arranged at the top of the buoyancy tank and is arranged parallel to the walking track; the safety sliding contact line is connected with a power supply, the current collector is fixedly arranged on the traction device, and the traction device is electrically connected with the safety sliding contact line through the current collector.

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