Guide pipe device of chute tube riprap system

Abstract

A guide pipe device of a chute tube riprap system comprises a guide pipe, the top of the guide pipe is communicated with a stone supply device, the bottom of the guide pipe is provided with a discharge port, a movable bottom plate is hinged to the discharge port, a push rod is fixed to the bottom of the movable bottom plate, and the push rod pushes the movable bottom plate to rotate in the discharge port to adjust the size of the discharge port and the stone throwing direction. The push rod communicates with a remote control unit which communicates with the monitoring module. The movable bottom plate is pushed by the push rod to rotate, so that the size of the discharge port, the stone throwing direction and the falling position and speed of the stone are adjusted, the utilization rate of the discharge port area of the guide pipe device is improved, the throwing and filling range is enlarged, and the frequency of moving the guide pipe device and the workload of later supplementary throwing or leveling are reduced; the remote control unit enables operation to be convenient, and working efficiency is improved; the device is simple in structure, convenient to operate, uniform in throwing and filling, suitable for riprap treatment work of the ocean wind turbine foundation, high in practical application value and good in economic benefit.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering, in particular to a conduit device of a chute riprap system. Background Art

[0002] In recent years, with the rapid development of the offshore wind power industry, wind turbine foundations are facing serious scouring and sand liquefaction problems in complex marine dynamic environments. At present, the main means of controlling wind turbine foundation scouring is riprap. Before construction, multi-beam equipment is used to scan the underwater scouring of the wind turbine foundation, and the approximate volume of riprap required within the dumping range and the volume of different grid points are calculated. Then an inclined chute riprap device is used to dump the stones into the target area.

[0003] For example, CN116815774A discloses an oblique conduit stone throwing device, including a platform base, a rotating platform, a stone feeding hopper and a chute casing, wherein the platform base is arranged on a deck barge, a rotating platform base is arranged on the top of the platform base, a rotating platform is arranged on the top of the rotating platform base, a push-up oil cylinder is arranged above the rotating platform, a telescopic shaft of the push-up oil cylinder is connected to a variable-length oil cylinder, a telescopic shaft of the variable-length oil cylinder is connected to a first hinge group, and a transition section is connected to the bottom of the stone feeding hopper. The oblique conduit stone throwing device controls the horizontal angle of the chute casing by setting a rotating platform, and uses the push-up oil cylinder and the variable-length oil cylinder to push, thereby controlling the inclination angle of the chute casing, so that the end of the chute casing points to the dumping position at the fan foundation.

[0004] However, the traditional inclined chute stone throwing device has problems such as low utilization rate of the duct opening area, small throwing and filling range, and easy formation of uneven stone piles. This leads to the need to frequently move the duct device outlet in the later stage, and even to carry out additional throwing or leveling work, which greatly increases the workload. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a conduit device of a chute riprap system, which solves the problems of low utilization rate of discharge port area, small throwing and filling range and easy formation of uneven riprap piles of the conduit device of the existing chute riprap system.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a conduit device of a chute stone throwing system, including a conduit, the top of the conduit is connected to a stone supply device, the bottom of the conduit is provided with a discharge port, the discharge port is hinged with a movable bottom plate, a push rod is fixed at the bottom of the movable bottom plate, the push rod pushes the movable bottom plate to rotate in the discharge port, adjusts the size of the discharge port and the direction of stone throwing, the push rod is connected to a remote control unit, and the remote control unit is connected to a monitoring module.

[0007] In a preferred embodiment, the conduit includes an inner sleeve, the top end of the inner sleeve is fixed to the stone supply device, a middle sleeve is mounted on the outside of the inner sleeve, a group of sliding mechanisms are arranged between the inner sleeve and the middle sleeve, a limiting mechanism is also arranged between the group of sliding mechanisms, and steel wire ropes are also installed and fixed on both sides of the outside of the middle sleeve. The steel wire ropes pass around a pulley fixed on the stone supply device, and the other end is fixed on a winch. The winch is fixed on the platform base of the stone supply device. The middle sleeve is retracted and released by the winch by retracting and releasing the steel wire rope, and the winch is connected to the control unit.

[0008] In a preferred solution, the inner sleeve is configured as a stepped tube with a larger lower end, and a set of sliding mechanisms is provided outside the inner sleeve near the lower step. The sliding mechanism includes a slide plate, which is fixed to the inner sleeve through a mounting plate.

[0009] In a preferred solution, a limiting mechanism is installed between a group of sliding mechanisms on the inner sleeve, and the limiting mechanism includes a lower baffle fixed to the outside of the inner sleeve, and an upper baffle fixed to the inside of the middle sleeve. The lower baffle overlaps with the upper baffle to limit the sliding middle sleeve inside the middle sleeve.

[0010] In a preferred embodiment, the catheter also includes an outer sleeve mounted on the middle sleeve. The connection and fixing method between the outer sleeve and the middle sleeve is the same as the connection and fixing method between the inner sleeve and the middle sleeve. The inner part slides and is limited by a sliding mechanism and a limiting mechanism, and the outer sleeve is retracted and released by a steel wire rope outside.

[0011] In the preferred scheme, a notch is opened in a section of the bottom of the discharge port end of the outer sleeve, and the discharge port is installed in the notch position, including a fixed frame, on which a movable bottom plate is rotatably installed and fixed by a hinge, and the two side plates of the fixed frame are flush with the two side surfaces of the outer sleeve, and a hinge is installed on the rear end plate, one side of the hinge is fixed to the movable bottom plate, and the other side is fixed to the rear end plate, and a fixed bottom plate is wrapped and fixed to the bottom of the two side plates and the rear end plate.

[0012] In a preferred solution, a push rod is fixedly mounted on the fixed bottom plate, and the other end of the push rod is fixedly mounted on the movable bottom plate, pushing the movable bottom plate to rotate with the fixed bottom plate as a fulcrum.

[0013] In the preferred solution, a monitoring module is installed in the hole on the movable bottom plate to monitor the falling position and speed of the stone in real time, and feed back the relevant information to the remote control unit, and operate the push rod to adjust the position of the movable bottom plate to control the size of the discharge port and the direction of stone throwing.

[0014] The utility model provides a conduit device for a chute riprap system, which has the following beneficial effects:

[0015] 1. The utility model solves the problems of low utilization rate of the discharge port area of ​​the conduit device of the existing chute riprap system, small dumping range, and easy formation of uneven riprap piles, increases the area coverage rate of a single riprap, avoids multiple adjustments to the discharge port position of the conduit device, makes the surface of the riprap pile smoother, reduces the later leveling and supplementary riprap work, is conducive to construction, and saves working time and cost;

[0016] 2. The structural design of the discharge port of the utility model effectively utilizes the entire area of ​​the discharge port of the conduit device and increases the range of stone throwing;

[0017] 3. The utility model improves the single riprap range, reduces the movement frequency of the guide tube device, improves the accuracy of the riprap position, increases the construction qualification rate, shortens the construction period, and further saves the ship rental and labor costs;

[0018] 4. The utility model can control the position where the stone falls by setting the movable bottom plate, thereby improving the utilization rate of the discharge port area of ​​the conduit device, increasing the range of each dumping, and reducing the number of times the discharge port of the conduit device is moved;

[0019] 5. The utility model controls the size of the discharge port of the guide tube device through the movable bottom plate to adjust the falling rate of the stone and reduce the volume loss caused by excessive stone throwing;

[0020] 6. The setting of the remote control unit of the utility model makes the operation more convenient and improves the work efficiency;

[0021] 7. The monitoring module of the utility model is set to monitor the falling position and speed of the stone in real time, and feed back the relevant information to the remote control unit, and operate the push rod to adjust the position of the movable bottom plate to control the size of the discharge port and the direction of stone throwing, thereby reducing the volume loss caused by excessive stone throwing and improving the reliability, safety and practicality of the system;

[0022] 8. The utility model has exquisite design, simple structure, convenient operation, uniform filling and high working efficiency. A small idea solves a big problem. It is suitable for the riprap management work of the offshore wind turbine foundation. It has good online application and has high practical application value and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation examples:

[0024] Figure 1 It is a schematic diagram of the state of the guide tube device of the chute riprap system when it is tilted;

[0025] Figure 2 It is a schematic diagram of the state of the guide tube device of the chute riprap system when it is horizontal;

[0026] Figure 3It is a schematic diagram of the state of the guide tube device of the chute riprap system when it is vertical;

[0027] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 5 It is a partial cross-sectional view of the assembly of the conduit and the discharge port of the utility model;

[0029] Figure 6 A partial schematic diagram of the axonometric view of the assembly of the conduit and the discharge port of the utility model;

[0030] Figure 7 A partial cross-sectional view of the assembly of the inner sleeve and the middle sleeve of the utility model;

[0031] In the figure: conduit 1, stone supply device 2, discharge port 3, movable bottom plate 4, push rod 5, pulley 6, wire rope 7, winch 8, inner sleeve 11, middle sleeve 12, sliding mechanism 13, limiting mechanism 14, outer sleeve 15, fixed frame 31, hinge 32, slide plate 131, mounting plate 132, lower baffle 141, upper baffle 142, side plate 311, rear end plate 312, fixed bottom plate 313. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0033] like Figures 1 to 7 As shown, a conduit device of a chute stone throwing system includes a conduit 1, the top of the conduit 1 is connected to a stone supply device 2, a discharge port 3 is arranged at the bottom of the conduit 1, a movable bottom plate 4 is hingedly connected to the discharge port 3, a push rod 5 is fixed at the bottom of the movable bottom plate 4, the push rod 5 pushes the movable bottom plate 4 to rotate in the discharge port 3, and adjusts the size of the discharge port 3 and the direction of stone throwing, the push rod 5 is connected to a remote control unit, and the remote control unit is connected to a monitoring module.

[0034] In this embodiment, the catheter 1 includes an inner sleeve 11, the top of the inner sleeve 11 is fixed to the stone supply device 2, a middle sleeve 12 is sleeved on the outside of the inner sleeve 11, a group of sliding mechanisms 13 are arranged between the inner sleeve 11 and the middle sleeve 12, and a limiting mechanism 14 is also arranged between the group of sliding mechanisms 13. Steel wire ropes 7 are also installed and fixed on both sides of the outside of the middle sleeve 12. The steel wire ropes 7 pass around the pulley 6 fixed on the stone supply device 2, and the other end is fixed on the winch 8. The winch 8 is fixed on the platform base of the stone supply device 2. The winch 8 is used to retract and release the steel wire rope 7 to retract and release the middle sleeve 12, and the winch 8 is connected to the control unit.

[0035] Furthermore, the inner sleeve 11 is configured as a stepped tube with a larger lower end. A set of sliding mechanisms 13 is provided outside the inner sleeve 11 near the lower step. The sliding mechanism 13 includes a slide plate 131 , which is fixed to the inner sleeve 11 through a mounting plate 132 .

[0036] Furthermore, a limiting mechanism 14 is installed between a group of sliding mechanisms 13 on the inner sleeve 11. The limiting mechanism 14 includes a lower baffle 141 fixed to the outside of the inner sleeve 11, and also includes an upper baffle 142 fixed to the inside of the middle sleeve 12. The lower baffle 141 overlaps with the upper baffle 142 to limit the sliding middle sleeve 12 inside the middle sleeve 12.

[0037] Furthermore, the catheter 1 also includes an outer sleeve 15 that is sleeved on the middle sleeve 12. The connection and fixing method between the outer sleeve 15 and the middle sleeve 12 is the same as the connection and fixing method between the inner sleeve 11 and the middle sleeve 12. The outer sleeve 15 slides and is limited internally by a sliding mechanism 13 and a limiting mechanism 14, and is retracted and released externally by a steel wire rope 7.

[0038] Furthermore, a notch is formed at a bottom section of the discharge port end of the outer sleeve 15, and the discharge port 3 is installed at the notch, including a fixed frame 31, on which a movable bottom plate 4 is rotatably installed and fixed by a hinge 32, and two side plates 311 of the fixed frame 31 are flush with the two side surfaces of the outer sleeve 15, and a hinge 32 is installed on the rear end plate 312, one side of the hinge is fixed to the movable bottom plate 4, and the other side is fixed to the rear end plate 312, and a fixed bottom plate 313 is wrapped and fixed to the bottom of the two side plates 311 and the rear end plate 312.

[0039] Furthermore, a push rod 5 is fixedly mounted on the fixed bottom plate 313 , and the other end of the push rod 5 is fixedly mounted on the movable bottom plate 4 , pushing the movable bottom plate 4 to rotate with the fixed bottom plate 313 as a fulcrum.

[0040] Furthermore, a monitoring module is installed in the hole on the movable bottom plate 4 to monitor the falling position and speed of the stone in real time, and feed back the relevant information to the remote control unit, and operate the push rod 5 to adjust the position of the movable bottom plate 4 to control the size of the discharge port 3 and the direction in which the stone is thrown.

[0041] When used specifically: after a guide tube device of a chute riprap system is installed and debugged on the chute riprap system and is qualified, when it is put into use, an ultra-high resolution focused multi-beam depth sounding system is first used to measure the dumping area and calculate the dumping amount, and then the dumping elevation is controlled in real time by a single-beam depth sounder at the head of the guide tube device, the angle of the guide tube device is calculated according to the elevation, and the angle of the chute riprap system and its guide tube device is adjusted, and the winch 8 is controlled by a remote control unit to retract and release the wire rope 7, thereby retracting and releasing the middle sleeve 12 and the outer sleeve 15 to control the elevation of the guide tube device. During the process of releasing the middle sleeve 12 and the outer sleeve 15, the sliding mechanism 14 causes the outer sleeve to slide down along the direction of the inner sleeve, and slides down to the lower baffle 141 and the upper baffle 14 2 overlap and stick to each other, the winch 8 stops releasing the wire rope 7. After it is in place, the stone is loaded into the hopper of the stone supply device 2. The stone slides through the hopper to the guide tube device, and successively from the inner sleeve 11, the middle sleeve 12 to the outer sleeve 15. During the process, the monitoring module on the movable bottom plate 4 monitors the falling position and speed of the stone in real time, and feeds back the relevant information to the remote control unit. The remote control unit receives the information, sends a command to the push rod 5 according to the position and speed of the stone feeding, and manipulates the push rod 5 to adjust the position of the movable bottom plate 4 to control the size of the discharge port 3 and the direction of stone throwing; when the operation is completed, the remote control unit sends a command to the winch 8, and the winch 8 retracts the wire rope 7, and the outer sleeve 15 and the middle sleeve 12 are retracted layer by layer in sequence.

[0042] In a preferred embodiment, the guide tube 1 comprises an inner sleeve 11, the top of the inner sleeve 11 is fixed to the stone supply device 2, a middle sleeve 12 is sleeved on the outer side of the inner sleeve 11, a set of sliding mechanisms 13 is arranged between the inner sleeve 11 and the middle sleeve 12, a limit mechanism 14 is also arranged between the set of sliding mechanisms 13, and a steel wire rope 7 is also installed and fixed on both sides of the outer side of the middle sleeve 12, the steel wire rope 7 is passed around the pulley 6 fixed on the stone supply device 2, and the other end is fixed on the winch 8, and the winch 8 is fixed on the stone supply device 2. On the platform base of the material supply device 2, the middle sleeve 12 is retracted and released by the winch 8 through the wire rope 7, and the winch 8 is connected to the control unit; the above arrangement enables the inner sleeve 11 and the middle sleeve 12 to slide against each other while being limited and not detached from each other, and the arrangement of the wire rope 7 and the winch 8 enables the inner sleeve 11 and the middle sleeve 12 to slide apart and extend, and also to be retracted and closed; the sliding mechanism 13 enables the middle sleeve 12 to slide along the inner sleeve 11 without slipping, thereby further improving the safety and reliability of the device.

[0043] In a preferred embodiment, the inner sleeve 11 is configured as a step tube with a larger lower end. A set of sliding mechanisms 13 is provided on the outside of the inner sleeve 11 near the lower step. The sliding mechanism 13 includes a slide plate 131, and the slide plate 131 is fixed to the inner sleeve 11 through a mounting plate 132. The above configuration enables the inner sleeve 11 and the middle sleeve 12 to slide against each other and extend. At the same time, the configuration of the step tube further reduces the impact force of the sliding mechanism 13, thereby further improving the safety and reliability of the device.

[0044] In a preferred solution, a limiting mechanism 14 is installed between a group of sliding mechanisms 13 on the inner sleeve 11. The limiting mechanism 14 includes a lower baffle 141 fixed to the outside of the inner sleeve 11, and also includes an upper baffle 142 fixed to the inside of the middle sleeve 12. The lower baffle 141 overlaps with the upper baffle 142 to limit the sliding middle sleeve 12 inside the middle sleeve 12. The above arrangement enables the limiting function between the inner sleeve 11 and the middle sleeve 12 to be realized, and the structure is simple, safe and reliable.

[0045] In a preferred embodiment, the catheter 1 also includes an outer sleeve 15 sleeved on the middle sleeve 12. The connection and fixing method of the outer sleeve 15 and the middle sleeve 12 are the same as the connection and fixing method of the inner sleeve 11 and the middle sleeve 12. The inner part slides and is limited by a sliding mechanism 13 and a limiting mechanism 14, and the outer sleeve 15 is retracted and released by a wire rope 7 outside. The above arrangement enables the outer sleeve 15 and the middle sleeve 12 to slide against each other while being limited and will not be detached from each other. The arrangement of the wire rope 7 and the winch 8 enables the outer sleeve 15 and the middle sleeve 12 to slide apart and extend, and also to be retracted and closed. The sliding mechanism 13 enables the outer sleeve 15 to slide along the middle sleeve 12 without slipping, thereby further improving the safety and reliability of the device.

[0046] In the preferred embodiment, a notch is formed in a bottom section of the discharge port end of the outer sleeve 15, and the discharge port 3 is installed at the notch position, including a fixed frame 31, on which a movable bottom plate 4 is rotatably installed and fixed by a hinge 32, and two side plates 311 of the fixed frame 31 are flush with the two side surfaces of the outer sleeve 15, and a hinge 32 is installed on the rear end plate 312, one side of the hinge is fixed to the movable bottom plate 4, and the other side is fixed to the rear end plate 312, and a fixed bottom plate 313 is fixed to the bottom of the two side plates 311 and the rear end plate 312; the above arrangement effectively utilizes the entire area of ​​the discharge port of the conduit device, increases the range of stone throwing, and through the arrangement of the movable bottom plate 4, the position where the stone falls can be controlled, thereby improving the area utilization rate of the discharge port of the conduit device, increasing the range of each throwing and filling, and reducing the number of times the discharge port of the conduit device is moved; the falling rate of the stone is adjusted by controlling the size of the discharge port of the conduit device through the movable bottom plate 4, thereby reducing the volume loss caused by excessive stone throwing.

[0047] In the preferred embodiment, a push rod 5 is installed and fixed on the fixed bottom plate 313, and the other end of the push rod 5 is installed and fixed on the movable bottom plate 4, pushing the movable bottom plate 4 to rotate with the fixed bottom plate 313 as the fulcrum; the above arrangement enables the rotation of the movable bottom plate 4, thereby adjusting the size of the discharge port of the conduit device and adjusting the falling rate and position of the stone.

[0048] In the preferred scheme, a monitoring module is installed in the hole on the movable bottom plate 4 to monitor the falling position and speed of the stone in real time, and feed back the relevant information to the remote control unit, and operate the push rod 5 to adjust the position of the movable bottom plate 4 to control the size of the discharge port 3 and the direction of stone throwing; the above setting monitors the falling position and speed of the stone in real time, and feeds back the relevant information to the remote control unit, and operates the push rod 5 to adjust the position of the movable bottom plate 4 to control the size of the discharge port 3 and the direction of stone throwing, which reduces the volume loss caused by excessive stone throwing and improves the reliability, safety and practicality of the system; the setting of the remote control unit makes the operation more convenient and improves the work efficiency.

[0049] In summary, the present invention uses a new type of conduit device for a chute riprap system to solve the problems of low utilization rate of the discharge port area of ​​the conduit device of the existing chute riprap system, small riprap range, and easy formation of uneven riprap piles, etc., increases the area coverage rate of a single riprap, avoids multiple adjustments to the discharge port position of the conduit device, makes the surface of the riprap pile smoother, reduces the later leveling and supplementary riprap work, is beneficial to construction, saves working time and cost; the improvement of the single riprap range reduces the movement frequency of the conduit device, improves the accuracy of the riprap position, increases the construction qualification rate, shortens the construction period, and further saves ship rental and labor costs; through the design of the discharge port 3, the entire area of ​​the conduit device discharge port is effectively utilized, and the riprap range is increased; through the setting of the movable bottom plate 4, the position where the stone falls can be controlled, thereby improving the utilization rate of the discharge port area of ​​the conduit device and increasing the range of each riprap. The size of the discharge port of the duct device is controlled by the movable bottom plate 4, the falling rate of the stone is adjusted, and the volume loss caused by excessive stone throwing is reduced; the setting of the remote control unit makes the operation more convenient and improves the work efficiency; the setting of the monitoring module monitors the falling position and rate of the stone in real time, and the relevant information is fed back to the remote control unit, and the push rod 5 is operated to adjust the position of the movable bottom plate 4 to control the size of the discharge port 3 and the throwing direction of the stone, which reduces the volume loss caused by excessive stone throwing and improves the reliability, safety and practicality of the system. The utility model has exquisite design, simple structure, convenient operation, uniform throwing and filling, high work efficiency, safety and reliability, low cost, small idea solves big problems, is suitable for the stone throwing management work of the offshore wind turbine foundation, has good online application, and has high practical application value and promotion value.

Claims

1. A conduit device for a chute riprap system, characterized in that: The invention comprises a conduit (1), the top of the conduit (1) is connected to a stone supply device (2), the bottom of the conduit (1) is provided with a discharge port (3), the discharge port (3) is hinged with a movable bottom plate (4), a push rod (5) is fixed at the bottom of the movable bottom plate (4), the push rod (5) pushes the movable bottom plate (4) to rotate in the discharge port (3), and adjusts the size of the discharge port (3) and the direction in which the stone is thrown out, the push rod (5) is connected to a remote control unit, and the remote control unit is connected to a monitoring module.

2. The conduit device of the chute riprap system according to claim 1, characterized in that: The guide tube (1) comprises an inner sleeve (11), the top end of the inner sleeve (11) is fixed to the stone supply device (2), a middle sleeve (12) is sleeved on the outside of the inner sleeve (11), a group of sliding mechanisms (13) are arranged between the inner sleeve (11) and the middle sleeve (12), a limiting mechanism (14) is also arranged between the group of sliding mechanisms (13), and a steel wire rope (7) is also installed and fixed on both sides of the outside of the middle sleeve (12), the steel wire rope (7) passes around a pulley (6) fixed on the stone supply device (2), and the other end is fixed on a winch (8), the winch (8) is fixed on the platform base of the stone supply device (2), and the middle sleeve (12) is retracted and released by the winch (8) by retracting and releasing the steel wire rope (7), and the winch (8) is connected to the control unit.

3. The conduit device of the chute riprap system according to claim 2, characterized in that: The inner sleeve (11) is configured as a stepped tube with a larger bottom end. A set of sliding mechanisms (13) is provided outside the inner sleeve (11) near the lower step. The sliding mechanism (13) includes a slide plate (131). The slide plate (131) is fixed to the inner sleeve (11) via a mounting plate (132).

4. The conduit device of the chute riprap system according to claim 3, characterized in that: A limiting mechanism (14) is installed between a group of sliding mechanisms (13) on the inner sleeve (11). The limiting mechanism (14) comprises a lower baffle (141) fixed to the outside of the inner sleeve (11), and an upper baffle (142) fixed to the inside of the middle sleeve (12). The lower baffle (141) and the upper baffle (142) overlap and stick to each other, and limit the sliding middle sleeve (12) inside the middle sleeve (12).

5. The conduit device of the chute riprap system according to claim 4, characterized in that: The catheter (1) further comprises an outer sleeve (15) sleeved on the middle sleeve (12); the outer sleeve (15) is connected and fixed to the middle sleeve (12) in the same manner as the inner sleeve (11) is connected and fixed to the middle sleeve (12); the inner portion slides and is limited by a sliding mechanism (13) and a limiting mechanism (14); the outer sleeve (15) is retracted and released by a steel wire rope (7) on the outside.

6. The conduit device of the chute riprap system according to claim 5, characterized in that: A notch is formed at a bottom section of the discharge port end of the outer sleeve (15), and the discharge port (3) is installed at the notch position, comprising a fixed frame (31), on which a movable bottom plate (4) is rotatably mounted and fixed via hinges (32), two side plates (311) of the fixed frame (31) are flush with two side surfaces of the outer sleeve (15), a hinge (32) is installed on the rear end plate (312), one side of the hinge is fixed to the movable bottom plate (4), and the other side is fixed to the rear end plate (312), and a fixed bottom plate (313) is fixedly mounted on the bottom of the two side plates (311) and the rear end plate (312).

7. The conduit device of the chute riprap system according to claim 6, characterized in that: A push rod (5) is fixedly mounted on the fixed bottom plate (313), and the other end of the push rod (5) is fixedly mounted on the movable bottom plate (4) to push the movable bottom plate (4) to rotate with the fixed bottom plate (313) as a fulcrum.

8. The conduit device of the chute riprap system according to claim 7, characterized in that: A monitoring module is installed in the opening on the movable bottom plate (4) to monitor the falling position and speed of the stone in real time and feed back the relevant information to the remote control unit, so as to operate the push rod (5) to adjust the position of the movable bottom plate (4) to control the size of the discharge port (3) and the direction in which the stone is thrown out.

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