阅读说明：本技术 一种双排供料、锁固多功能船的工作方法 (Working method of double-row feeding and locking multifunctional ship ) 是由 陈懿 韦淋睦 邓旭毅 李新献 王江 谷文平 凡精灵 陈世业 马倩云 赵军勇 于 2019-10-28 设计创作，主要内容包括：一种双排供料、锁固多功能船的工作方法,当多功能船向填料船输送物料时,储料斗组中的物料掉落后,依次通过第一输送带、第二输送带、第三输送带、第四输送带和第五输送带输送至填料船；当多功能船对海底隧道管两侧进行填料锁固时,储料斗组中的物料掉落后,依次通过第一输送带、第二输送带、第三输送带、分料装置和锁固供料装置后,输送至固供料管处,物料落入锁固供料管后沿其管道掉落在海底隧道管的两侧,实现填料锁固。回填供料和锁固供料集成在一首船上,降低作业成本,提高作业效率。(When the multifunctional ship conveys materials to a filler ship, the materials in a storage hopper group fall off and are conveyed to the filler ship through a first conveying belt, a second conveying belt, a third conveying belt, a fourth conveying belt and a fifth conveying belt in sequence; when the multifunctional ship performs stuffing locking on two sides of the submarine tunnel pipe, materials in the storage hopper group are conveyed to the material fixing and feeding pipe after falling sequentially through the first conveying belt, the second conveying belt, the third conveying belt, the material distributing device and the material locking and feeding device, and fall into the material locking and feeding pipe and then fall onto two sides of the submarine tunnel pipe along the pipeline of the material locking and feeding pipe, so that stuffing locking is realized. Backfill feeding and locking feeding are integrated on the same ship, so that the operation cost is reduced, and the operation efficiency is improved.)

1. A working method of a double-row feeding and locking multifunctional ship is characterized in that:

the ship body is provided with a storage group along the length direction of the ship body, a first conveying belt is arranged below the storage hopper group, the output end of the first conveying belt is in butt joint with a second conveying belt, the output end of the second conveying belt is in butt joint with a third conveying belt, the output end of the third conveying belt is in butt joint with a fourth conveying belt and a material distribution device through a switching mechanism, the output end of the fourth conveying belt is in butt joint with a fifth conveying belt, and two output ends of the material distribution device are in butt joint with a material locking and feeding device;

when the multifunctional ship conveys materials to the filler ship, the materials in the storage hopper group fall onto a first conveying belt, the first conveying belt lifts and conveys the materials to a second conveying belt, the second conveying belt horizontally conveys the materials to a third conveying belt, the third conveying belt lifts and conveys the materials to a fourth conveying belt, the fourth conveying belt lifts and conveys the materials to a fifth conveying belt, the fifth conveying belt adjusts the output position of the fifth conveying belt through horizontal rotation or vertical swing, and finally the materials are conveyed to the filler ship;

when the multifunctional ship performs stuffing locking on two sides of the submarine tunnel pipe, materials in the storage hopper group fall onto a first conveying belt, the first conveying belt lifts and conveys the materials onto a second conveying belt, the second conveying belt horizontally conveys the materials onto a third conveying belt, the third conveying belt lifts and conveys the materials into a material distribution device, the materials fall in the material distribution device due to self gravity and are divided into two symmetrically arranged locking and feeding devices, the materials fall onto the conveying belts of the locking and feeding devices, the conveying belts convey the materials to the locking and feeding pipes of the locking and feeding devices, and the materials fall onto two sides of the submarine tunnel pipe along the pipelines after falling into the locking and feeding pipes, so that stuffing locking is realized;

the closed-loop conveying belt bypasses the discharge trolley and conveys materials to the locking feed pipe at one end of the discharge trolley, when the position of the locking feed pipe needs to be adjusted, the discharge trolley of the locking feed device travels along the first rail to change the position of the conveying belt for outputting the materials, meanwhile, the locking feed pipe travels along the second rail to change the output position of the locking feed pipe on the seabed, and the discharge trolley and the locking feed pipe move synchronously so that the output end of the conveying belt can be in butt joint with the input end of the locking feed pipe.

2. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the second conveying belt is perpendicular to the projections of the first conveying belt and the third conveying belt respectively; the third conveying belt and the fourth conveying belt are obliquely arranged, the projections of the third conveying belt and the fourth conveying belt are positioned on the same straight line, and the third conveying belt and the fourth conveying belt are positioned on the same side of the first conveying belt; one of the two symmetrically arranged locking feeding devices is positioned at one side of the third conveying belt, and the other locking feeding device is positioned at one side of the fourth conveying belt.

3. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the fifth conveying belt is fixed on the rotating platform, the rotating platform is fixed on a tower column, the tower column is arranged at one end of the ship body, the input end of the fifth conveying belt is installed on the rotating platform through a hinged seat, a support and a winch are arranged on the rotating platform, a pulley is arranged on the support, and a steel wire rope of the winch is connected with the output end of the fifth conveying belt after passing through the pulley.

4. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the bottom of the discharge trolley is provided with a wheel shaft, wheels are arranged at two ends of the wheel shaft, a limiting ring is arranged on the inner side of each wheel, and the limiting ring abuts against one side of the first track.

5. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the second rail is an I-shaped rail, rail grooves are formed in two sides of the second rail, the locking feeding pipe is fixed on the arm support, a roller set is arranged on the arm support corresponding to the second rails on the two sides, the roller set comprises a triangular support and rollers pivoted on the triangular support, and the rollers are arranged in the rail grooves.

6. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the discharging trolley comprises an upper stand, a lower stand and a climbing stand, wherein the climbing stand is obliquely arranged, the upper stand is arranged above the lower stand, and one end of the upper stand is connected with one end of the lower stand through the climbing stand; the first driving mechanism comprises a first roller arranged at one end of the conveying belt, a second roller arranged at the other end of the conveying belt, a third roller arranged on the upper rack platform and a fourth roller arranged on the lower rack platform; and a material guide is arranged at the third roller on the upper stand, the input end of the material guide is in butt joint with the conveying belt, and the output end of the material guide is in butt joint with the input end of the locking feeding pipe.

7. The working method of the double-row feeding and locking multifunctional ship as claimed in claim 1, wherein the working method comprises the following steps: the locking feeding pipe comprises a hopper part and a pipe body part, wherein a material receiving nozzle is arranged on one side of the hopper part, and the bottom surface of the material receiving nozzle inclines towards the direction of the hopper part.

8. The operating method of a double-row feeding and locking multifunctional ship as claimed in claim 7, wherein the operating method comprises the following steps: the delivery outlet of hopper portion is equipped with the male joint, and the input of barrel portion is equipped with female joint, be equipped with a plurality of jacks in the male joint, be equipped with in the female joint with jack complex inserted bar.

Technical Field

The invention relates to a ship, in particular to a working method of a double-row feeding and locking multifunctional ship.

Background

When the underwater immersed tube tunnel is built, a feeding ship and a backfilling ship are needed. The feeding ship and the backfilling ship are both steel single-deck self-propelled deck barge, a stone conveying belt conveyor system is arranged on the feeding ship and mainly used for continuously feeding a 'gravel laying leveling ship', a locking and backfilling belt conveyor system is arranged on the backfilling ship and mainly used for backfilling and locking operation of immersed tube gravel after immersed tube installation. For example, chinese patent publication No. CN203127109U, publication No. 2013.08.14 discloses a feed backfill boat, comprising: the ship comprises a ship body, a material conveying system and a locking backfill system, wherein the material conveying system and the locking backfill system are arranged on the ship body; the material conveying system comprises a blanking module and a multi-stage material lifting conveying module which receives materials supplied by the blanking module and conveys the materials, and the multi-stage material lifting conveying module lifts the materials to a preset height in a multi-stage mode and conveys the materials to the leveling ship; the locking backfill system comprises two movable slide pipes arranged on one side of a ship board of the ship body and a feeding module connected with the slide pipes. In the existing scheme, a feeding ship and a backfilling ship are integrated, the functions of feeding and backfilling are realized by using one ship body, and the cost of equipment used in the process of constructing a tunnel is reduced. However, in the current underwater immersed tube tunnel construction process, besides the steps of feeding and backfilling, broken stones need to be filled and locked at two sides of the tunnel tube, and the locking step needs an additional ship to operate, so that the cost is increased, and the operation efficiency is low.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a working method of a double-row feeding and locking multifunctional ship, wherein backfill feeding and locking feeding are integrated on the same ship, so that the operation cost is reduced, the operation efficiency is improved, and the operation is convenient.

In order to solve the technical problems, the technical scheme of the invention is as follows: a working method of a double-row feeding and locking multifunctional ship comprises the following steps:

the ship body is provided with a storage group along the length direction of the ship body, a first conveying belt is arranged below the storage hopper group, the output end of the first conveying belt is in butt joint with a second conveying belt, the output end of the second conveying belt is in butt joint with a third conveying belt, the output end of the third conveying belt is in butt joint with a fourth conveying belt and a material distribution device through a switching mechanism, the output end of the fourth conveying belt is in butt joint with a fifth conveying belt, and two output ends of the material distribution device are in butt joint with a material locking and feeding device;

when the multifunctional ship conveys materials to the filler ship, the materials in the storage hopper group fall onto a first conveying belt, the first conveying belt lifts and conveys the materials to a second conveying belt, the second conveying belt horizontally conveys the materials to a third conveying belt, the third conveying belt lifts and conveys the materials to a fourth conveying belt, the fourth conveying belt lifts and conveys the materials to a fifth conveying belt, the fifth conveying belt adjusts the output position of the fifth conveying belt through horizontal rotation or vertical swing, and finally the materials are conveyed to the filler ship;

when the multifunctional ship performs stuffing locking on two sides of the submarine tunnel pipe, materials in the storage hopper group fall onto a first conveying belt, the first conveying belt lifts and conveys the materials onto a second conveying belt, the second conveying belt horizontally conveys the materials onto a third conveying belt, the third conveying belt lifts and conveys the materials into a material distribution device, the materials fall under the self-gravity in the material distribution device and are divided into two symmetrically arranged locking and feeding devices in a halving mode, the materials fall onto the conveying belts of the locking and feeding devices, the conveying belts convey the materials to the locking and feeding pipes, and the materials fall into the feeding and locking pipes and then fall onto two sides of the submarine tunnel pipe along the pipelines of the feeding and locking pipes, so that stuffing locking is achieved;

the closed-loop conveying belt bypasses the discharge trolley and conveys materials to the locking feed pipe at one end of the discharge trolley, when the position of the locking feed pipe needs to be adjusted, the discharge trolley of the locking feed device travels along the first rail to change the position of the conveying belt for outputting the materials, meanwhile, the locking feed pipe travels along the second rail to change the output position of the locking feed pipe on the seabed, and the discharge trolley and the locking feed pipe move synchronously so that the output end of the conveying belt can be in butt joint with the input end of the locking feed pipe.

As an improvement, the second conveying belt is perpendicular to the projections of the first conveying belt and the third conveying belt respectively; the third conveying belt and the fourth conveying belt are obliquely arranged, the projections of the third conveying belt and the fourth conveying belt are positioned on the same straight line, and the third conveying belt and the fourth conveying belt are positioned on the same side of the first conveying belt; one of the two symmetrically arranged locking feeding devices is positioned at one side of the third conveying belt, and the other locking feeding device is positioned at one side of the fourth conveying belt.

As an improvement, the fifth conveying belt is fixed on the rotating platform, the rotating platform is fixed on a tower column, the tower column is arranged at one end of the ship body, the input end of the fifth conveying belt is installed on the rotating platform through a hinged seat, a support and a winch are arranged on the rotating platform, a pulley is arranged on the support, and a steel wire rope of the winch is connected with the output end of the fifth conveying belt after passing through the pulley.

As an improvement, the bottom of the discharging trolley is provided with a wheel shaft, wheels are arranged at two ends of the wheel shaft, a limiting ring is arranged on the inner side of each wheel, and the limiting ring abuts against one side of the first track.

As an improvement, the second rail is an i-shaped rail, rail grooves are formed in two sides of the second rail, the locking and feeding pipe is fixed on the arm support, a roller train is arranged on the arm support corresponding to the second rails on the two sides, the roller train comprises a tripod and rollers pivoted on the tripod, and the rollers are arranged in the rail grooves.

As an improvement, the discharging trolley comprises an upper stand, a lower stand and a climbing stand, wherein the climbing stand is obliquely arranged, the upper stand is arranged above the lower stand, and one end of the upper stand is connected with one end of the lower stand through the climbing stand; the first driving mechanism comprises a first roller arranged at one end of the conveying belt, a second roller arranged at the other end of the conveying belt, a third roller arranged on the upper rack platform and a fourth roller arranged on the lower rack platform; and a material guide is arranged at the third roller on the upper stand, the input end of the material guide is in butt joint with the conveying belt, and the output end of the material guide is in butt joint with the input end of the locking feeding pipe.

As an improvement, the locking and feeding pipe comprises a hopper part and a pipe body part, wherein a material receiving nozzle is arranged on one side of the hopper part, and the bottom surface of the material receiving nozzle inclines towards the direction of the hopper part.

As an improvement, the delivery outlet of the hopper part is provided with a male connector, the input end of the pipe body part is provided with a female connector, a plurality of jacks are arranged in the male connector, and the female connector is internally provided with an insertion rod matched with the jacks.

Compared with the prior art, the invention has the following beneficial effects:

1. the storage hopper group, the first conveying belt, the second conveying belt, the third conveying belt, the fourth conveying belt, the fifth conveying belt and the two locking feeding devices are reasonably arranged on the ship body, so that the space is saved, and the stress of the ship body is uniform;

2. the backfill feeding and the locking feeding are integrated on the same ship, so that the operation cost is reduced, and the operation efficiency is improved; meanwhile, the multifunctional ship has two working states, when the multifunctional ship conveys materials to the stuffing ship, the materials are conveyed only through the first conveying belt to the fifth conveying belt, when the multifunctional ship performs stuffing locking on two sides of the submarine tunnel pipe, the first conveying belt is used for switching to the locking feeding pipe to perform locking feeding after the first conveying belt reaches the third conveying belt, and the operation is convenient.

3. The positions of the locking feed pipes on the two sides of the submarine tunnel pipe can be adjusted, so that the locking feed pipes are suitable for locking tunnel pipes with different widths;

4. the locking feeding pipe is divided into a hopper part and a pipe body part, and the two parts are connected in a vertically floating mode, so that the locking feeding pipe can be prevented from colliding with other parts.

Drawings

Fig. 1 is a top view of a double-row feeding and locking multifunctional ship.

Fig. 2 is a rear side schematic view of a double-row feeding and locking multifunctional ship.

Fig. 3 is a schematic side view of a double-row feeding and locking multifunctional ship.

Fig. 4 is an enlarged view of fig. 2 at a.

FIG. 5 is a schematic view of a locking feeding device.

Figure 6 is a schematic view of a dump car.

FIG. 7 is a schematic view of locking the feed tube.

Fig. 8 is a schematic view of a fifth conveyor belt.

Figure 9 is a schematic view of the tripper car in cooperation with a second track.

Fig. 10 is a circuit diagram of a double-row feeding and locking multifunctional ship for feeding a filler ship.

FIG. 11 is a schematic diagram of a dual row supply and lock multi-function ship for supplying supply to a lock supply pipe.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 3, a double-row feeding and locking multifunctional ship comprises a ship body 1, a storage hopper group 2 arranged on the ship body 1, a first conveyor belt 3 arranged below the storage hopper group 2, a second conveyor belt 4 butted with the first conveyor belt 3, a third conveyor belt 5 butted with the second conveyor belt 4, a fourth conveyor belt 6 butted with the third conveyor belt 5, a fifth conveyor belt 7 butted with the fourth conveyor belt 6, and two locking and feeding devices 8. The storage hopper group, the first conveying belt, the second conveying belt, the third conveying belt, the fourth conveying belt, the fifth conveying belt and the two locking feeding devices are reasonably arranged on the ship body, the space is saved, and the stress of the ship body is uniform. The conveying belt is a common conveying belt and comprises a belt and a driving mechanism.

As shown in fig. 1 and 2, the storage hopper group 2 is composed of a plurality of storage hoppers 21 arranged side by side along the length direction of the ship body 1, the side surfaces of adjacent storage hoppers 21 are communicated with each other, and a discharge hole is formed in the bottom of each storage hopper 21. The storage hopper is fixed on the ship body 1 through a support rod, an accommodating space is formed between the storage hopper and the ship body 1, and the first conveying belt 3 is arranged in the accommodating space. According to the invention, two storage hopper groups 2 can be arranged on the ship body 1, and the two storage hopper groups 2 can be used independently and alternately or simultaneously so as to ensure the total amount and continuity of feeding.

As shown in fig. 1 to 3, the input section of the first conveyor belt 3 is horizontally disposed below the storage hopper group 2, and stably receives the blanking of the storage hopper, and the output section of the first conveyor belt 3 is inclined upward and is butted with the input end of the second conveyor belt 4. The second conveyer belt 4 is horizontally arranged, and the output end of the second conveyer belt 4 is butted with the input end of a third conveyer belt 5 of the unloading fish bucket; the second conveyor belt 4 is perpendicular to the projection of the first conveyor belt 3 and the third conveyor belt 5, and in the case of a limited length of the hull 1, conveying steering is achieved by the second conveyor belt 4. The third conveyer belt 5 is obliquely arranged, and the input end of the third conveyer belt is lower than the output end; the lower input end of the third conveying belt 5 is used for being in butt joint with the output end of the second conveying belt 4, the third conveying belt 5 lifts the materials to a certain height, so that the materials have certain gravitational potential energy, and the materials can fall into the material distributing device through self gravity. The fourth conveyer belt 6 is the slope setting, and its input is less than the output, and the input of fourth conveyer belt 6 is lower for dock with 5 output of third conveyer belt, and the output of fourth conveyer belt 6 is higher, is used for dock with the input of the fifth conveyer belt 7 that is in high-order. The third conveyer belt 5 and the fourth conveyer belt 6 are arranged on one side of the storage hopper group 2. As shown in fig. 8, the fifth conveyor belt 7 is fixed on a rotating platform 72, the rotating platform 72 is fixed on a tower column 71, the tower column 71 is arranged at one end of the ship body 1, the input end of the fifth conveyor belt 7 is mounted on the rotating platform 72 through a hinge base 73, the rotating platform 72 is provided with a bracket 75 and a winch 74, the bracket 75 is provided with a pulley 76, and a steel wire rope 77 of the winch 74 is connected with the output end of the fifth conveyor belt 7 through the pulley 76; the winch 74 pulls the cable 77 to raise the output end of the fifth conveyor belt 7 to a certain height to accommodate different feeding heights.

As shown in fig. 1, 4 and 5, two locking and feeding devices 8 are symmetrically arranged, one locking and feeding device 8 is arranged on one side of the third conveyor belt 5, and the other locking and feeding device 8 is arranged on one side of the fourth conveyor belt 6, so that two-side feeding can be formed, and the two sides of the submarine tunnel pipe are locked by filling materials, and the operation efficiency is high. The output end of the third conveyer belt 5 can feed materials to the fourth conveyer belt 6, and can also feed materials to the two locking feeding devices 8 through the material distributing device 9, and the backfilling feeding or the locking feeding is selected according to the operation requirement. The material distributing device 9 comprises a receiving hopper, a blanking pipe connected with the receiving hopper and material distributing pipes arranged on two sides of the blanking pipe, and the third conveying belt 5 can uniformly distribute materials into the two locking and feeding devices 8 through the material distributing device 9, so that the amount of filler locked on two sides is constant; because the output end of the third conveyer belt 5 is higher, the output material has higher gravitational potential energy, and the material naturally slides into the conveyer belt of the locking feeding device 8 through the material distributing device 9. The locking feeding device 8 comprises a conveying belt 85, support frames 891 arranged on two sides of the conveying belt, a first driving mechanism for driving the conveying belt 85, a first rail 892 arranged at the top of the support frames 891, a discharging trolley 87 arranged above the conveying belt 85, a second driving mechanism for driving the discharging trolley 87 to move along the first rail 892, a locking feeding pipe 81, a second rail 83 and a third driving mechanism for driving the locking feeding pipe 81 to move on the second rail 83.

As shown in fig. 4, the second rail 83 is an i-shaped rail 83, and rail grooves are formed on two sides of the second rail 83; the locking feeding pipe is fixed on the arm support 82, and the roller groups 84 are arranged on the second rails 83 on the two corresponding sides of the arm support 82; the roller group 84 comprises a tripod 842 and a roller 841 pivoted on the tripod 842, and the roller 841 is arranged in the track groove; the rail groove not only guides the locking supply pipe 81 but also restricts the left and right offset and the up and down offset of the traveling thereof. The third driving mechanism comprises a rack arranged at the top of the second track, a gear matched with the rack and a motor arranged on the arm support and used for driving the gear.

Referring to fig. 9, the discharging trolley 87 is arranged above the conveying belt 85, the bottom of the discharging trolley 87 is provided with an axle 894, two ends of the axle 894 are provided with wheels 893, and the inner side of the wheels 893 is provided with a limiting ring which abuts against one side of the first rail 892. During operation, the discharge trolley and the locking feeding pipe synchronously move. As shown in fig. 6, the discharging trolley 87 comprises an upper stand 871, a lower stand 872 and a climbing stand 873, wherein the climbing stand 873 is arranged obliquely, the upper stand 871 is arranged above the lower stand 872, and one end of the upper stand 871 is connected with one end of the lower stand 872 through the climbing stand 873; the first driving mechanism comprises a first roller 861 arranged at one end of the conveying belt 85, a second roller 862 arranged at the other end of the conveying belt 85, a third roller 863 arranged on the upper stand 871 and a fourth roller 864 arranged on the lower stand 872; the conveying belt 85 is a closed-loop belt and sequentially bypasses the first roller, the third roller, the fourth roller and the second roller, so that the conveying belt cannot be influenced when the dump car travels. A material guide 88 is arranged at the third roller 863 on the upper stand 871, the input end of the material guide 88 is butted with the conveying belt 85, the output end of the material guide is butted with the input end of the locking feeding pipe 81, and the locking feeding pipe 81 is fixed on the discharging trolley 87. As shown in fig. 7, the locking feeding pipe 81 includes a hopper portion 812 and a pipe portion 813, wherein a receiving nozzle 811 is disposed on one side of the hopper portion 812, and a bottom surface of the receiving nozzle 811 inclines toward the hopper portion; a male connector 814 is arranged at the output port of the hopper part 812, a female connector 815 is arranged at the input end of the pipe body part 813, a plurality of jacks 816 are arranged in the male connector 814, and inserting rods 817 matched with the jacks are arranged in the female connector 813; the locking feeding pipe is divided into a hopper part and a pipe body part, and the two parts are connected in a vertically floating mode, so that the locking feeding pipe can be prevented from colliding with other parts.

The invention relates to a working method of a double-row feeding and locking multifunctional ship, which comprises the following steps:

as shown in fig. 10, when the multifunctional ship conveys materials to the stuffing ship, the materials in the storage hopper group 2 fall on the first conveying belt 3, the first conveying belt 3 lifts and conveys the materials to the second conveying belt 4, the second conveying belt 4 horizontally conveys the materials to the third conveying belt 5, the third conveying belt 5 lifts and conveys the materials to the fourth conveying belt 6, the fourth conveying belt 6 lifts and conveys the materials to the fifth conveying belt 7, the fifth conveying belt 7 adjusts the output position thereof by horizontal rotation or vertical swing, and finally conveys the materials to the stuffing ship;

as shown in fig. 11, when the multifunctional ship performs stuffing locking on two sides of the submarine tunnel pipe, the material in the storage hopper group 2 falls on the first conveyor belt 3, the first conveyor belt 3 lifts and conveys the material to the second conveyor belt 4, the second conveyor belt 4 horizontally conveys the material to the third conveyor belt 5, the third conveyor belt 5 lifts and conveys the material to the material distribution device 9, the material falls and is divided equally into two symmetrically arranged locking material supply devices 8 in the material distribution device 9 due to self gravity, the material falls on the conveyor belt of the locking material supply device, the conveyor belt conveys the material to the locking material supply pipe, and the material falls into the locking material supply pipe and then falls on two sides of the submarine tunnel pipe along the pipeline thereof, so as to realize stuffing locking;

the closed-loop conveying belt bypasses the discharge trolley and conveys materials to the locking feed pipe at one end of the discharge trolley, when the position of the locking feed pipe needs to be adjusted, the discharge trolley of the locking feed device travels along the first rail to change the position of the conveying belt for outputting the materials, meanwhile, the locking feed pipe travels along the second rail to change the output position of the locking feed pipe on the seabed, and the discharge trolley and the locking feed pipe move synchronously so that the output end of the conveying belt can be in butt joint with the input end of the locking feed pipe.