A port bottom material cleaning auxiliary device and method

Abstract

The application provides a port bottom material cleaning auxiliary device and method, and belongs to the technical field of port cargo transportation. The device comprises an auxiliary cleaning assembly, which comprises a material collecting frame, a material collecting mechanism and a hardening breaking mechanism. The material collecting mechanism is arranged on the material collecting frame. The material collecting mechanism comprises a material collecting frame, a material collecting plate, a rotating shaft, a first motor pulley mechanism and an electric telescopic rod mechanism. The material collecting plate has a material collecting groove, and is rotationally connected below the material collecting frame. One end of the electric telescopic rod mechanism is connected with the material collecting frame through a hinged seat, and the other end is located in the material collecting groove. The material collecting frame is arranged at one end of the material collecting groove through the rotating shaft, and one end of the rotating shaft is connected with the first motor pulley mechanism. The device and method can break the hardening of the material, improve the fluidity of the material, facilitate the flow of the material, gather the material around or at the bottom of the ship cabin to the middle position of the ship cabin, facilitate the unloading of the unloading machine, improve the work efficiency, and reduce the labor amount of workers.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of port cargo transportation, and particularly relates to a port bottom layer material cleaning auxiliary device and method. BACKGROUND

[0002] At present, the ship unloaders on the market generally use grab type, screw type and chain bucket type, according to the actual use, the dust raised in the use process of the screw type and the chain bucket type is smaller, therefore, at present, in order to meet the environmental protection requirements, the screw type and the chain bucket type are generally selected, however, the chain bucket type and the screw type both place the feeding port in the cabin, and use the chain bucket or the screw type conveying belt to convey the material upward, in the conveying process in the cabin, the flowability of the material is relied on, and part of the materials may be bonded and formed into blocks or sheets, most of the existing ship unloaders can only realize the conveying of the materials, and cannot realize the crushing of the blocky or sheety materials in the conveying process, the flowability of the blocky or sheety materials is poor, and especially the materials near the edges and the bottom of the cabin are difficult to be conveyed when using the screw type or the chain bucket type ship unloader to take the materials, and artificial intervention is needed to break the bonded materials.

[0003] Therefore, in order to solve the above problems, a device capable of breaking the material bonding phenomenon and facilitating the conveying of the materials at the edges and the bottom of the cabin is needed. SUMMARY

[0004] In view of the above-mentioned defects of the prior art, the purpose of the present application is to provide a port bottom layer material cleaning auxiliary device and method, which is used to solve the technical problems that the flowability of the bonded materials is poor when taking the materials, and the materials at the edges and the bottom of the cabin are difficult to be taken.

[0005] To achieve the above-mentioned purpose and other related purposes, the present application provides a port bottom layer material cleaning auxiliary device and method, which comprises:

[0006] The installation assembly is hoisted to the cabin hatch by a crane;

[0007] The driving assembly is installed on the installation assembly and is used to drive the auxiliary cleaning assembly to move;

[0008] The auxiliary cleaning assembly is arranged on the driving assembly, and comprises a material collecting frame, a material collecting mechanism and a hardening material breaking mechanism. The material collecting frame is installed on the driving assembly. The material collecting mechanism is arranged on the material collecting frame. The material collecting mechanism comprises a material collecting frame, a material collecting plate, a rotating shaft, a first motor pulley mechanism and an electric telescopic rod mechanism. The material collecting plate is arranged in a U shape and has a material collecting groove. The material collecting plate is rotationally connected below the material collecting frame. One end of the electric telescopic rod mechanism is connected to the material collecting frame through a hinge seat. The other end of the electric telescopic rod mechanism is connected to the material collecting plate through a hinge seat and is located in the material collecting groove. The material collecting frame is rotationally arranged at one end of the material collecting groove through the rotating shaft. The axis direction of the rotating shaft is consistent with the width direction of the material collecting groove. One end of the rotating shaft is connected to the first motor pulley mechanism. The first motor pulley mechanism is fixedly installed on the material collecting plate.

[0009] Thus, the auxiliary cleaning assembly is driven to any position on the bottom or the periphery of the ship cabin by the driving assembly. The material collecting frame collects material at the edge position of the periphery of the ship cabin. The electric telescopic rod mechanism with two ends connected can adjust the inclination angle of the material collecting plate after being elongated or shortened. The material collecting plate is used for conveying the material to the middle of the ship cabin through the material collecting groove. The material is more concentrated. The unloading machine can collect the material. In the rotating process of the material collecting frame, the hardening material can be initially broken. The hardening material is further crushed by the hardening material breaking mechanism after entering the material collecting groove. The flowability of the material is improved. The unloading machine can unload the material.

[0010] Preferably, the hardening material breaking mechanism comprises a pressing plate, a support, a second motor and a crank slider mechanism. The support is fixedly installed on the material collecting plate. The second motor is fixedly installed on the support. The crank slider mechanism is vertically arranged on the support. The output end of the second motor is connected to the crank of the crank slider mechanism. The pressing plate is fixedly installed at the bottom end of the slider of the crank slider mechanism and is transversely arranged in the material collecting groove. A plurality of crushing needles for breaking the hardening material are arranged on the side of the pressing plate close to the bottom of the material collecting groove. The pressing plate is driven by the crank slider mechanism to rapidly reciprocate. The crushing needles break the hardening material of the material. The flowability of the material is improved. The material is unloaded.

[0011] Preferably, the material collecting frame has a base and a material collecting plate. The rotating shaft is fixedly inserted into the mounting hole of the base. One end of the material collecting plate is fixedly installed on the base. The other end of the material collecting plate has a bending portion for conveniently conveying the material into the material collecting groove. The top end of the other end of the material collecting plate is provided with a crushing tooth for conveniently breaking the hardening material. The bending portion and the crushing tooth at the outer end of the material collecting plate can rapidly break the hardening material in the rotating process and convey the material into the material collecting groove.

[0012] Preferably, the driving assembly comprises a double-ring sliding rail slider mechanism, a driving base, an annular rack, a speed reducer, an electric rotary table and a mechanical arm assembly, two sliding rails of the double-ring sliding rail slider mechanism are sequentially fixedly installed below the mounting plate, the driving base is fixedly installed on the slider of the double-ring sliding rail slider mechanism, the electric rotary table and the speed reducer are fixedly installed on the driving base, the base of the mechanical arm assembly is fixedly installed on the electric rotary table, the output end of the speed reducer is provided with a gear engaged with the annular rack, and the material collecting frame is installed at the tail end of the mechanical arm assembly. By utilizing the driving assembly, the position of the auxiliary cleaning assembly can be stably and quickly moved, the double-ring sliding rail slider mechanism is convenient to move to any position in the cabin, and the electric rotary table and the mechanical arm assembly can enable the auxiliary cleaning assembly to reach the position of the material.

[0013] Preferably, the sliding rails of the double-ring sliding rail slider mechanism are arranged in a character shape, and the corners are arranged in a circular arc shape, and the corners of the annular rack are arranged in an arc-shaped rack.

[0014] Preferably, the mounting assembly comprises a cross beam, a vertical beam and a mounting plate, the mounting plate is arranged in a square shape with a hollow middle part, the vertical beam is vertically installed below the cross beam, the mounting plate is installed below the cross beam through the vertical beam, and the lower end of the vertical beam at the four corners of the mounting plate is lower than the lower surface of the mounting plate. The hollow middle part facilitates the unloading of the material by the ship unloader, and the cross beams at the four corners facilitate the support of the whole device.

[0015] Preferably, the mounting plate and the slider of the double-ring sliding rail slider mechanism are further provided with an auxiliary moving mechanism, one side of the mounting plate downwardly has an annular sliding groove arranged in a T-shaped cross section, the auxiliary moving mechanism is arranged in the annular sliding groove, the auxiliary moving mechanism comprises a moving base, a connecting shaft and universal ball bearings, the moving base is arranged in a cylindrical shape and located in the annular sliding groove, the moving base is rotatably connected to one end of the connecting shaft through a rolling bearing, the other end of the connecting shaft is connected to the slider of the double-ring sliding rail slider mechanism, the universal ball bearings are uniformly arranged in the moving base in a circumferential direction, and the spherical surface of the universal ball bearings abuts against the annular sliding groove. By utilizing the auxiliary moving mechanism, the slider can be better supported, the movement of the slider and the sliding rail is prevented from being limited due to the weight of the auxiliary cleaning assembly, and the slider can be conveniently moved on the sliding rail driven by the speed reducer.

[0016] Preferably, the annular sliding groove is located between the two sliding rails of the double-ring sliding rail slider mechanism, and the connecting shaft is fixedly connected to the slider of the double-ring sliding rail slider mechanism after penetrating through the annular sliding groove.

[0017] Preferably, a visual sensor module is further included, and the visual sensor module is arranged on the mounting assembly. Through the visual sensor module, the material in the cabin can be detected to detect the flowability and hardening of the material.

[0018] Preferably, a port bottom material cleaning auxiliary method comprises the following steps:

[0019] comprises the following steps:

[0020] 1) After the cabin door is opened, the device is hoisted into the cabin opening from the initial position by the crane, the cross beam is arranged on the cabin opening, and the unloading machine is inserted between the cross beam and the vertical beam to unload the material in the cabin;

[0021] 2) For the material around the cabin or the bottom or the flowability of the material, the driving assembly is started, and the driving assembly reaches the position close to the material hardening or poor flowability;

[0022] 3) The material collecting mechanism is close to the material and in contact with the material by controlling the mechanical arm assembly, and the angle of the material collecting plate is adjusted by the electric telescopic rod;

[0023] 4) The first motor and the second motor are started, the first motor drives the material taking frame to rotate, the material taking plate breaks the material hardening in the rotating process, and the material is sent into the material collecting groove;

[0024] 5) After the material enters the material collecting groove, the material hardening is eliminated again by the material hardening breaking mechanism;

[0025] 6) After the material hardening is eliminated, the material is sent to the middle of the cabin through the inclined material collecting groove, and the unloading machine unloads the material;

[0026] 7) After the unloading is completed, the device is hoisted to the initial position by the crane.

[0027] The beneficial effects of the present application are:

[0028] Through the device and method provided by the present application, the material hardening can be broken, the flowability of the material is improved, the material around the cabin or the bottom is gathered in the middle of the cabin, the unloading machine is convenient for unloading the material, the work efficiency is improved, and the labor amount of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The overall structure schematic diagram is shown.

[0030] Figure 2 The overall structure schematic diagram is shown.

[0031] Figure 3 The overall structure schematic diagram is shown. Figure 2 The local enlarged schematic diagram of A in the middle.

[0032] Figure 4 is shown as Figure 2 a local enlarged view at B.

[0033] Figure 5 is shown as a mounting structure diagram of the auxiliary moving mechanism.

[0034] Figure 6 is shown as a mounting structure diagram of the driving assembly.

[0035] Figure 7 is shown as a mounting structure diagram of the auxiliary cleaning assembly. DETAILED DESCRIPTION

[0036] The following illustrates the embodiments of the present application by specific examples, and other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the specification.

[0037] Please refer to Figures 1 to 7 . It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for the implementation of the present application, so they do not have technical substantive significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope covered by the disclosed technical content of the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" used in the specification are only for the convenience of clear description, and not to limit the scope of the implementation of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the implementation scope of the present application.

[0038] As Figures 1-2 shown, a port bottom material cleaning auxiliary device is provided with a cross beam 101 and a vertical beam 102. The cross beam 101 is arranged in the shape of a cross, and a lifting ring 104 is arranged on the upper side for convenient lifting by a crane, so as to support the cross beam 101 outside the hatch 2 of the ship cabin. The vertical beam 102 is welded below the cross beam 101. The vertical beams 102 at the four corners are support beams, which are convenient for placing the entire device. The other vertical beams 102 are reinforcing beams, which make the entire device more firm. The outer side of the vertical beam 102 is also fixedly provided with a ring-shaped mounting plate 103. The ship unloader discharges materials at the middle position of the mounting plate 103.

[0039] As Figures 4-6As shown, in this embodiment, a drive assembly 4 for driving the auxiliary cleaning assembly 5 is provided on the mounting plate 103. The drive assembly includes two annular slide rails 401 fixedly mounted in a U-shape on the lower surface of the mounting plate 103. An annular rack 402 is also fixedly mounted on one side of the slide rails 401. The same slider 403 is slidably mounted on the two annular slide rails 401. A drive seat 404 is fixedly mounted on the lower surface of the slider 403. A reducer 405 and an electric rotary table 406 are fixedly mounted on the drive seat 404. A gear 407 is fixedly mounted on the output end of the reducer 405. The gear 407 and the annular rack 402 are connected. 02. After the reducer 405 is started, the meshing of the gear 407 and the ring rack 402 drives the slider 403 to move on the slide rail 401. The mechanical arm assembly 408 is fixedly installed on the rotating platform of the electric rotary table 406. The base of the mechanical arm assembly 408 is fixedly installed on the electric rotary table 406. The auxiliary cleaning component 5 is installed at the end of the mechanical arm assembly. The electric rotary table 406 can adjust the angle of the mechanical arm assembly 408 and facilitate the recovery of the auxiliary cleaning component 5. The crane lifts the entire device into the cabin to prevent the auxiliary cleaning component 5 from colliding with the cabin.

[0040] Multiple sliders can be set in different directions on the annular slide rail 401, and multiple auxiliary cleaning components can be set through the sliders. With the cooperation of multiple auxiliary cleaning components, materials can be collected simultaneously around the cabin and its bottom, thereby improving efficiency.

[0041] like Figure 7As shown, in the embodiment, the auxiliary cleaning assembly 5 comprises a material collecting frame 501 fixedly installed at the action end of the mechanical arm assembly 408, the material collecting frame 501 is arranged in an n shape, both sides of the material collecting frame 501 are provided with hinged joints 502, a U-shaped material collecting plate 503 is rotatably connected to the hinged joints 502, the material collecting plate 503 has a material collecting groove 504, the surface of the material collecting groove 504 is smooth to facilitate the flow of materials to the other side (the middle of the cabin near the unloading machine), the material collecting plate 503 is fixedly installed with a first motor 505, the front end of the material collecting plate 503 is rotatably provided with a rotating shaft 506 in the transverse direction of the material collecting groove 504, one end of the rotating shaft 506 and the output end of the first motor 505 are provided with a pulley mechanism 507, the rotating shaft 506 is driven to rotate by the first motor 505, the rotating shaft 506 is fixedly installed with a material taking frame 508, the material taking frame 508 is used to send materials into the material collecting groove 504 after the rotating shaft 506 rotates, a motorized telescopic rod 509 is further arranged between the material collecting frame 501 and the material collecting plate 503, both ends of the motorized telescopic rod 509 are provided with hinged seats 510, which are respectively connected to the material collecting frame 501 and the material collecting plate 503, the motorized telescopic rod 509 can rotate between the hinged seats, the hinged seat 510 at one end of the material collecting plate 503 is located in the material collecting groove 504, by the extension or shortening of the motorized telescopic rod 509, the inclined angle of the hinged material collecting plate 503 can be changed, which is convenient for the collection and flow of materials.

[0042] Specifically, the material taking frame 508 is divided into a base 5081 and a material taking plate 5082, the base 5081 is fixedly installed on the rotating shaft 506 in a cylindrical shape, the material taking plate 5082 is arranged in the transverse direction of the material collecting groove 504 and is evenly distributed and installed in the circumferential direction of the base 5081, the outer end of the material taking plate 5082 has a bend, which facilitates the sweeping of materials into the material collecting groove, the outer end of the material taking plate 5082 is linearly provided with a plurality of crushing teeth 5083, which can better pierce the hardening and then send the materials into the material collecting groove.

[0043] Specifically, the material collecting groove 504 is provided with a V-shaped baffle 510 in the direction of material flow, the V-shaped baffle 510 is arranged in front of the hinged seat 510, which makes the materials flow in the material collecting groove to avoid the hinged seat, preventing the materials from affecting the rotation of the motorized telescopic rod on the hinged seat.

[0044] As Figure 7As shown, in this embodiment, the material is broken again after entering the collecting tank 504, and the broken and consolidated mechanism 6 is used to break the consolidation. The broken and consolidated mechanism 6 includes a pressing plate 601 and a support 602. The support 602 is fixedly installed above the collecting tank 504. The pressing plate 601 is arranged on the support 602 through a crank slider mechanism 603 and is located in the collecting tank 504. A second motor 604 is fixedly installed on the support 602. The second motor 604 drives the crank slider mechanism 603 to move, so that the pressing plate 601 reciprocates up and down in the collecting tank 504. A plurality of crushing needles 605 are fixedly installed on the side of the pressing plate 601 facing the bottom of the collecting tank 504. The crushing needles 605 are linearly arranged below the pressing plate 601. In the reciprocating movement of the pressing plate 601, the crushing needles 605 can break and scatter the consolidation of the material, so as to improve the flowability of the material and facilitate the unloading of the ship unloader.

[0045] Specifically, a guide rod 606 is arranged between the pressing plate 601 and the support 602. The guide rod 606 plays a guiding and limiting role in the reciprocating movement of the pressing plate 601, preventing the pressing plate 601 from deviating. The lower end of the guide rod 606 is fixedly installed on the pressing plate 601. The support 602 has a through hole. The guide rod 606 is inserted and matched in the through hole and moves with the pressing plate 601.

[0046] As shown in Figure 5 , Figure 6 In this embodiment, an auxiliary moving mechanism 7 is arranged between the mounting plate 103 and the slider 403. The auxiliary moving mechanism 7 can better support and pull the sliders 403 on the two annular slide rails 401, prevent the movement of the sliders 403 on the slide rails 401 from being limited due to the weight of the auxiliary cleaning assembly 5, facilitate the movement of the sliders 403 on the slide rails 401 driven by the speed reducer 405, and the mounting plate 103 is provided with an annular sliding groove 1031 in a T-shaped cross section. The auxiliary moving mechanism 7 is arranged in the annular sliding groove 1031. The auxiliary moving mechanism 7 includes a moving seat 701, a connecting shaft 702 and universal ball bearings 703. The moving seat 701 is arranged in the annular sliding groove 1031. A rolling bearing is installed in the middle of the moving seat 701. One end of the connecting shaft 702 is fixedly installed in the rolling bearing. The connecting shaft 702 is vertically arranged and the other end is fixedly connected with the slider 403 in the double-annular slide rail block mechanism. The universal ball bearings 703 are circumferentially and uniformly installed on the moving seat 701. The spherical surface of the universal ball bearings 703 abuts against the annular sliding groove 1031, and the moving seat 701 is rollingly supported, so that the moving seat 701 is facilitated to move in the annular sliding groove 1031.

[0047] As shown in Figure 4 In this embodiment, a visual sensor module 8 is installed on the reinforcing beam. The visual sensor module 8 can detect the material in the ship cabin in real time, and detect the flowability and consolidation of the material.

[0048] A port bottom material cleaning auxiliary method, comprising the following steps:

[0049] 1) After the hatch door is opened, the device is hoisted into the hatch opening from the initial position by the crane, the cross beam is arranged on the hatch opening, and the ship unloader is inserted between the cross beam and the vertical beam to unload the material in the hatch;

[0050] 2) For the material around the hatch or the bottom, the driving assembly is started, and the driving assembly reaches the position close to the material agglomeration or poor fluidity;

[0051] 3) The material collecting mechanism is close to the material and contacts the material by controlling the mechanical arm assembly, and the angle of the material collecting plate is adjusted by the electric telescopic rod;

[0052] 4) The first motor and the second motor are started, the first motor drives the material taking frame to rotate, the material taking plate can preliminarily break the material agglomeration in the rotating process, and the material is sent into the material collecting groove;

[0053] 5) After the material enters the material collecting groove, the material agglomeration is eliminated again by the material agglomeration breaking mechanism;

[0054] 6) After the material agglomeration is eliminated, the material is sent to the middle of the hatch through the inclined material collecting groove, and the ship unloader unloads the material;

[0055] 7) After the unloading is completed, the device is hoisted to the initial position by the crane.

[0056] Working principle:

[0057] The device is arranged in the port unloading area, the ship is docked, the hatch is opened, the device is hoisted into the hatch opening from the initial position by the crane, the cross beam is arranged on the hatch opening, the vertical beam and the mounting plate below the vertical beam are arranged in the hatch, then the ship unloader is inserted between the cross beams, the ship unloader unloads the material in the middle of the mounting plate, the visual sensor module arranged on the vertical beam detects the material state in the process of taking material by the ship unloader in real time, when the material agglomeration or poor fluidity is detected, the driving assembly is started, the driving assembly reaches the position close to the material agglomeration or poor fluidity, the mechanical arm assembly is controlled, the material collecting mechanism is close to the material and contacts the material, and the angle of the material collecting plate is adjusted by the electric telescopic rod, then the first motor and the second motor are started, the first motor drives the material taking frame to rotate, the material taking plate can preliminarily break the material agglomeration in the rotating process, and the material is sent into the material collecting groove, after the material enters the material collecting groove, the crushing needle on the pressing plate reciprocates up and down under the action of the crank slider mechanism, which can again pierce the material agglomeration, the material falls into the middle of the hatch along the smooth material collecting groove, and the position is convenient for the ship unloader to unload, after the unloading is completed, the ship unloader is removed from the hatch, and then the device is hoisted back by the crane.

[0058] The above embodiments are only illustrative of the principles of the present application and its efficacy, and are not intended to limit the present application. Any modification or change made by any person skilled in the art without departing from the spirit and scope of the present application shall be covered by the claims of the present application.

Claims

1. A port bed material cleaning aid device provided in a ship cabin, characterized by, The utility model relates to a ship cabin cleaning device, including: mounting assembly is hoisted to the cabin hatch by crane; drive assembly is installed on the mounting assembly for driving auxiliary cleaning assembly moves; auxiliary cleaning assembly is arranged on the drive assembly, including material collecting frame, material collecting mechanism and broken hard joint mechanism, the material collecting frame is installed on the drive assembly, the material collecting mechanism is arranged on the material collecting frame, the material collecting mechanism includes material collecting frame, material collecting board, pivot, first motor pulley mechanism and electric telescopic rod, the material collecting board is U type setting has material collecting groove, and the material collecting board rotates and is connected in the below of material collecting frame, one end of electric telescopic rod is connected with material collecting frame through hinged seat, the other end is connected with material collecting board through hinged seat and is located in material collecting groove, material collecting frame is rotated and is arranged in one end of material collecting groove through pivot, the pivot axis direction is identical with the width direction of material collecting groove, one end of pivot is connected with first motor pulley mechanism, and the first motor of first motor pulley mechanism is fixedly installed on material collecting board; the broken hard joint mechanism includes pressing plate, support, second motor and crank slider mechanism, the support is fixedly installed on the material collecting board, the second motor is fixedly installed on the support, the crank slider mechanism is vertically arranged on the support, the output end of the second motor is connected with the crank of the crank slider mechanism, the pressing plate is fixedly installed at the bottom end of the slider of the crank slider mechanism, and is transversely arranged in the material collecting groove, the side of the pressing plate close to the bottom of the material collecting groove is provided with a plurality of crushing needles for breaking up hard joints; The material collecting frame has a base and a material collecting plate. The pivot is fixedly inserted into the mounting hole of the base. One end of the material collecting plate is fixedly installed on the base, and the other end has a bend for conveniently feeding materials into the material collecting groove. The other end of the material collecting plate is further provided with crushing teeth for breaking up hard joints.

2. A port subbase material cleaning aid according to claim 1, characterised in that: The mounting assembly includes a cross beam, a vertical beam, and a mounting plate. The mounting plate is in the shape of a hollow square. The vertical beam is vertically installed below the cross beam. The mounting plate is installed below the cross beam through the vertical beam. The lower ends of the vertical beams at the four corners of the mounting plate are lower than the lower surface of the mounting plate.

3. A port subbase material cleaning aid according to claim 2, characterised in that: The drive assembly includes a double-ring sliding rail slider mechanism, a drive seat, an annular rack, a speed reducer, an electric rotary table, and a mechanical arm assembly. The two sliding rails of the double-ring sliding rail slider mechanism are sequentially fixedly installed below the mounting plate. The drive seat is fixedly installed on the slider of the double-ring sliding rail slider mechanism. The electric rotary table and the speed reducer are fixedly installed on the drive seat. The base of the mechanical arm assembly is fixedly installed on the electric rotary table. The output end of the speed reducer has a gear that meshes with the annular rack. The material collecting frame is installed at the end of the mechanical arm assembly.

4. A port subbase material cleaning aid according to claim 3, characterised in that: The sliding rails of the double-ring sliding rail slider mechanism are in the shape of a back-to-back character, and the corners are in the shape of a circular arc. The corners of the annular rack are in the shape of an arc-shaped rack.

5. A port ground material cleaning aid according to claim 4, characterised in that: The installation plate and the slider of the double-ring sliding rail slider mechanism also have an auxiliary moving mechanism, the downward side of the installation plate has a T-shaped cross-section annular sliding groove, the auxiliary moving mechanism is arranged in the annular sliding groove, the auxiliary moving mechanism comprises a moving seat, a connecting shaft and universal ball bearings, the moving seat is arranged in a cylinder and located in the annular sliding groove, the moving seat is rotatably connected to one end of the connecting shaft through a rolling bearing, the other end of the connecting shaft is connected with the slider of the double-ring sliding rail slider mechanism, the universal ball bearings are uniformly arranged in the moving seat in a circumferential direction, and the spherical surface of the universal ball bearings abuts against the annular sliding groove.

6. A port ground material cleaning aid according to claim 5, characterised in that: The annular sliding groove is located between the two sliding rails of the double-ring sliding rail slider mechanism, and the connecting shaft is fixedly connected to the slider of the double-ring sliding rail slider mechanism after penetrating through the annular sliding groove.

7. A port ground material cleaning aid according to claim 6, characterised in that: A visual sensor module is further arranged on the installation assembly.

8. The method for using the port bottom material cleaning auxiliary device according to claim 7, characterized in that: The method comprises the following steps: 1) After the hatch door is opened, the device is hoisted into the hatch opening from the initial position by the crane, the cross beam is arranged on the hatch opening, and the ship unloader is inserted between the cross beam and the vertical beam to unload the material in the hatch; 2) For the material around or at the bottom of the hatch which is compacted or has poor flowability, the driving assembly is started to make the driving assembly reach the position close to the material which is compacted or has poor flowability; 3) The material collecting mechanism is made close to the material and in contact with the material by controlling the mechanical arm assembly, and the angle of the material collecting plate is adjusted by the electric telescopic rod; 4) The first motor and the second motor are started, the material collecting plate is rotated by the first motor, the compacted material is preliminarily broken in the rotating process, and the material is sent into the material collecting groove; 5) The compacted material is eliminated again by the compacted material breaking mechanism after the material enters the material collecting groove; 6) After the compacted material is eliminated, the material is sent to the middle of the hatch through the inclined material collecting groove, and the ship unloader unloads the material; 7) After the unloading is completed, the device is hoisted to the initial position by the crane.

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