Powder ship unloading wharf structure based on spiral ship unloader

By designing a powder unloading wharf structure based on a spiral ship unloader, including offshore water planks, canopies and dust removal devices, the problems of flying dust and material scattering in traditional ship unloading methods have been solved, and an efficient and environmentally friendly powder unloading terminal has been realized. Material unloading operations.

CN119349284AActive Publication Date: 2025-01-24SOUTHERN BRANCH OF CHINA COMM CONSTR CO LTD
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Patent Information

Application Number
CN202411490757.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-01-24
Estimated Expiration
2044-10-23

AI Technical Summary

Technical Problem

Traditional spiral ship unloaders are difficult to effectively control the dust flying and material scattering during the unloading of the powder, and it is difficult to take into account efficient operation and good adaptability.

Method used

Designed a pink ship unloading pier structure based on spiral unloading machines, including the boardwalk and cover shed in the offshore water, the spiral shiplift machine is set in the covered shed, equipped with dust removal devices and photovoltaic boards to achieve efficient and environmentally friendly Powder unloading operation.

Benefits of technology

This structure effectively prevents the spread of dust when the powder is uninstalled, improves operating efficiency and environmental protection, suitable for different tonnage ships and complex weather conditions, and meets the efficient, environmentally friendly and safe shiplift needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a powder ship unloading wharf structure based on a spiral ship unloader. The powder ship unloading wharf structure comprises a ship unloading wharf and the spiral ship unloader. The ship unloading wharf comprises an offshore underwater trestle road and a cover shed, the offshore underwater trestle road is built in a water area, occupation of shoreline resources is avoided, and the ship unloading wharf is suitable for special scenes where sea reclamation is limited and construction of non-permeable projects is forbidden. The two sides of the offshore water plank roads have the ship berthing capacity, and the at least two offshore water plank roads provide support for the canopy structure. The cover shed is arranged above the two offshore underwater trestle roads in a striding mode, the water area below the cover shed is a discharging area, the cover shed can effectively resist the influence of severe weather, discharging operation is not limited by weather conditions any more, the effect of preventing flying dust from being spread to the outside is achieved, the water area on the outer side of the cover shed serves as a barge area, orderly scheduling and stopping of ships are achieved, and the effect of preventing the ship from falling is achieved. And the operation efficiency of the wharf is further improved. The spiral ship unloader is arranged in the cover shed and can directly carry and unload powder on the ship body.
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Description

Technical Field

[0001] The present application belongs to the technical field of wharf structures, and more specifically, to a powder unloading wharf structure based on a screw-type ship unloader. Background Art

[0002] In port and terminal operations, especially when handling powdery materials such as cement, efficient, environmentally friendly and safe unloading operations have always been the focus of the industry. Traditional unloading methods, such as manual operation or the use of mechanical tools such as grabs, have many limitations. For example, these methods are often inefficient, time-consuming, and easily cause materials to scatter during unloading, which not only causes environmental pollution but also increases material loss. In particular, powder materials such as cement, due to their fine particle characteristics and easy flying characteristics, will generate a lot of dust if not controlled during unloading, which not only affects air quality, but may also pose a threat to the surrounding environment and personnel health.

[0003] In the dock environment, facing ships of different tonnages, complex weather conditions and different types of powder unloading needs, traditional screw unloaders often find it difficult to balance efficient operation and good adaptability. Especially for powder materials such as cement, how to ensure effective control of dust during unloading, prevent material scattering, and maintain operating efficiency has become an urgent problem to be solved. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a powder unloading dock structure based on a screw unloader to solve the technical problem in the prior art that dust is easily generated when powder is unloaded.

[0005] To achieve the above purpose, the technical solution adopted in this application is:

[0006] A powder material unloading dock structure based on a screw unloader is provided, comprising:

[0007] The ship unloading dock comprises an offshore water plank road and a covered shed, wherein the number of the offshore water plank roads is at least two, the covered shed is arranged across the two offshore water plank roads, the water area below the covered shed is a unloading area, and the water area outside the covered shed is a barge area;

[0008] A screw ship unloader is arranged in the cover shed and above the unloading area. The screw ship unloader is used for unloading powder on the hull of the unloading area.

[0009] As a further improvement of the above technical solution:

[0010] Optionally, the offshore underwater boardwalk includes a pile foundation and a terrace, one end of the pile foundation is inserted into the underwater stratum, and the terrace is connected to the other end of the pile foundation.

[0011] Optionally, the canopy includes a wall and a roof, the wall is erected on the terrace, the roof is covered on the wall, and the wall and the roof enclose a storage space for accommodating the unloading ship.

[0012] Optionally, a skylight and a rolling door are provided on the wall, the skylight is located above the rolling door, and there are multiple skylights and rolling doors.

[0013] Optionally, a dust removal device is also provided in the cover shed, and the dust removal device is used to spray dust removal toward the unloading ship.

[0014] Optionally, it also includes a photovoltaic panel, which is installed on the roof of the shed.

[0015] Optionally, the screw ship unloader comprises:

[0016] Guide rails arranged in pairs are installed on the columns of the shed in parallel with each other;

[0017] A crossbeam, arranged between the guide rails arranged in pairs;

[0018] A crossbeam moving device is movably connected to the guide rail, the crossbeam is connected to the crossbeam moving device, and the crossbeam moving device is used to drive the crossbeam to move on the guide rail;

[0019] A spiral unloading device is mounted on the crossbeam;

[0020] The spiral unloading moving device is movably connected to the cross beam, the spiral unloading device is installed on the spiral unloading moving device, and the spiral unloading moving device is used to drive the spiral unloading device to move on the cross beam.

[0021] Optionally, it also includes a first conveyor belt device and a second conveyor belt device, the first conveyor belt device is installed on the crossbeam, the second conveyor belt device is installed on the guide rail, one end of the first conveyor belt device is located at the discharge end of the spiral unloading device, and the other end of the first conveyor belt device is located on the second conveyor belt device.

[0022] Optionally, the spiral unloading device includes a unloading arm, one end of which is liftably connected to the spiral unloading device, and the other end of the unloading arm is connected to a suction head, which is hinged to the unloading arm so that the suction head can swing along the length direction of the beam.

[0023] Optionally, an infrared distance measuring device is also included, and the infrared distance measuring device is installed on the suction head and / or installed on the crossbeam.

[0024] The beneficial effects of the powder material unloading terminal structure based on the screw unloader provided in the present application are:

[0025] The powder unloading dock structure based on the screw unloader of the present application includes the unloading dock and the screw unloader. Among them, the unloading dock includes an offshore water plank road and a canopy. The offshore water plank road is built in the water area, which not only avoids the occupation of shoreline resources, but also is particularly suitable for those special scenes where there are strict restrictions on land reclamation and the construction of non-permeable projects is prohibited. Both sides of the offshore water plank road have the ability to dock ships, so that it can meet the needs of two-way ship docking at the same time, and improve the utilization efficiency of the unloading dock. In terms of quantity, there are at least two offshore water planks, which are arranged parallel to each other to provide support for the canopy structure. The canopy is set across two or more offshore water planks, and the water area below the canopy is the unloading area. The canopy not only provides a space to shelter from wind and rain for the unloading cargo ship, but also effectively resists the influence of severe weather such as strong winds and heavy rains, and provides a relatively stable working environment for the unloading operation, so that the unloading operation is no longer restricted by weather conditions. At the same time, the canopy also plays a role in preventing the dust generated during unloading from spreading to the outside world, ensuring the environmental protection and high efficiency of the cargo unloading process. The water area outside the shed is used as a barge area to achieve orderly dispatching and docking of ships, further improving the operational efficiency of the terminal. The screw unloader is installed inside the shed and above the unloading area. The screw unloader can directly load and unload the powder on the hull. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic side view of the structure of the powder ship unloading terminal based on the screw ship unloader provided in this application;

[0028] Figure 2 A schematic diagram of a top view of a powder unloading dock structure based on a screw ship unloader provided in this application;

[0029] Figure 3 A first cross-sectional structural schematic diagram of a powder material unloading terminal structure based on a screw ship unloader provided in the present application;

[0030] Figure 4 A second cross-sectional structural schematic diagram of a powder material unloading terminal structure based on a screw ship unloader provided in the present application;

[0031] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure in.

[0032] Among them, the reference numerals in the figure are:

[0033] 1. Offshore water boardwalk; 11. Pile foundation; 12. Terrace;

[0034] 2. Shed; 21. Wall; 211. Skylight; 212. Rolling door; 22. Roof; 23. Photovoltaic panel;

[0035] 3. Screw ship unloader; 31. Guide rail; 32. Crossbeam; 33. Crossbeam moving device; 34. Screw unloading moving device; 35. Unloading arm;

[0036] 4. Infrared ranging device; DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of the present invention.

[0043] In the following description, suffixes such as "module", "component", "assembly" or "unit" are used only to facilitate the description of the present invention and have no specific meanings. Therefore, they can be used in combination.

[0044] The present invention will be further described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0045] like Figures 1 to 4 As shown, the present application provides a powder material unloading terminal structure based on a screw ship unloader 3 , including a ship unloading terminal and a screw ship unloader 3 .

[0046] Among them, the unloading terminal includes an offshore water plank road 1 and a canopy 2. The offshore water plank road 1 is built in the water, which not only avoids the occupation of shoreline resources, but is also particularly suitable for special scenarios where there are strict restrictions on land reclamation and the construction of non-permeable projects is prohibited. Both sides of the offshore water plank road 1 have the ability to dock ships, so that it can meet the needs of two-way ship docking at the same time, and improve the utilization efficiency of the unloading terminal. In terms of quantity, there are at least two offshore water planks 1, which are arranged parallel to each other to provide support for the canopy 2 structure. The canopy 2 spans two or more offshore water planks 1, and the water area below the canopy 2 is the unloading area. The canopy 2 not only provides a space to shelter from wind and rain for the unloading cargo ship, but also effectively resists the influence of severe weather such as strong winds and heavy rains, and provides a relatively stable working environment for the unloading operation, so that the unloading operation is no longer restricted by weather conditions. At the same time, the canopy 2 also plays a role in preventing the dust generated during unloading from spreading to the outside world, ensuring the environmental protection and efficiency of the cargo unloading process. The water area outside the canopy 2 is used as a barge area to achieve orderly dispatching and docking of ships, further improving the operational efficiency of the terminal. The screw unloader 3 is arranged inside the canopy 2 and above the unloading area. The screw unloader 3 can directly carry out unloading operations on the powder on the hull.

[0047] like Figures 1 to 4 As shown, in a specific embodiment of the present application, the offshore underwater plank road 1 includes a pile foundation 11 and a terrace 12. Among them, one end of the pile foundation 11 is inserted into the underwater stratum, and the terrace 12 is connected to the other end of the pile foundation 11. The pile foundation 11 serves as the supporting foundation of the offshore underwater plank road 1. One end of the pile foundation 11 is inserted into the underwater stratum, such as the seabed, riverbed, lakebed, etc., to effectively resist the impact of natural forces such as water flow, wind and waves, and ensure the safety and reliability of the plank road in long-term use. The water flow can also pass through the gaps between the pile foundations 11 to reduce the resistance of the offshore underwater plank road 1 in the water. The terrace 12 serves as a use platform for the offshore underwater plank road 1 and is connected to the other end of the pile foundation 11. The terrace 12 is used to meet the needs of people walking and working, and its surface can accommodate various loading and unloading equipment and personnel activities.

[0048] like Figures 1 to 4As shown, in a specific embodiment of the present application, the canopy 2 includes a wall 21 and a roof 22. The wall 21 is erected on the terrace 12 as a supporting structure of the canopy 2; the roof 22 is built on the wall 21, and the wall 21 and the roof 22 enclose a storage space for accommodating the unloading boat. Under the shielding effect of the wall 21 and the roof 22, a storage environment with certain wind and rain protection capabilities is provided for the unloading boat. In order to ensure the durability and corrosion resistance of the entire canopy 2 structure, the wall 21 can be made of high-strength, corrosion-resistant building materials, such as reinforced concrete or specially treated steel. The roof 22 can be made of lightweight, high-strength materials, such as color steel plates or aluminum-magnesium-manganese alloy plates. These materials not only have good waterproof and fireproof properties, but also can effectively resist the invasion of bad weather.

[0049] like Figures 1 to 4 As shown, in a specific embodiment of the present application, a skylight 211 and a rolling door 212 are provided on the wall 21. The skylight 211 can introduce natural light to provide good lighting for the interior space. There are multiple skylights 211, which are evenly distributed on the wall 21 to ensure the uniformity of indoor light distribution. The skylight 211 is located above the rolling door 212 to avoid conflict with the entrance and exit passages. The wall 21 is also equipped with multiple rolling doors 212 to meet the traffic needs inside and outside the canopy 2. When a typhoon or hurricane comes, the skylight 211 and the rolling door 212 can be opened to ventilate and relieve pressure, reduce wind resistance, and ensure the safety of the canopy 2 structure.

[0050] In a specific embodiment of the present application, a dust removal device (not shown) is also provided in the cover 2, and the dust removal device is used to spray toward the unloading ship and its surrounding environment to achieve effective suppression and removal of dust, thereby improving the cleanliness and safety of the working environment.

[0051] During the unloading or transfer of materials by the unloading ship, the dust removal device can automatically identify and respond to the dust generated by the operation and start the spray mode in time. The fine water mist particles are evenly dispersed in the air, collide and combine with the suspended dust particles, and then settle under the action of gravity, thereby achieving the purpose of dust removal.

[0052] like Figures 1 to 4 As shown, in a specific embodiment of the present application, the canopy 2 also includes a photovoltaic panel 23, which is installed on the roof 22. The photovoltaic panel 23 can convert sunlight into electrical energy, which can not only be directly supplied to the lighting, dust removal and other systems inside the canopy 2, but can also be stored through an energy storage device for emergency use. The installation of the photovoltaic panel 23 improves the energy self-sufficiency of the powder unloading terminal structure and achieves emission reduction or zero emission during operation.

[0053] like Figure 5As shown, in a specific embodiment of the present application, the spiral ship unloader 3 includes a guide rail 31, a crossbeam 32, a crossbeam moving device 33, a spiral unloading device and a spiral unloading moving device 34. Specifically, the guide rails 31 are installed in pairs and parallel to each other on the columns of the cover 2 to ensure the stability and safety of the entire spiral ship unloader 3. The guide rails 31 not only serve as a load-bearing and guiding structure, but also define the basic path for the operation of the ship unloader. The crossbeam 32 spans and is erected between the guide rails 31 arranged in pairs. The shape and specifications of the crossbeam 32 need to consider the bearing capacity and structural strength to support various types of equipment installed thereon. The crossbeam moving device 33 is movably connected to the guide rail 31, and its function is to drive the crossbeam 32 and all equipment mounted thereon to move longitudinally along the guide rail 31, so that the ship unloader can adjust its position along the length direction of the cargo ship to adapt to cargo ships of different lengths. The crossbeam moving device 33 can specifically be a crane. The spiral unloader is installed on the crossbeam 32. Since the spiral unloading device can adopt an existing device, the structure and working principle of the spiral unloading device will not be described in detail. The spiral unloading moving device is movably connected to the crossbeam 32 and carries the spiral unloading device. The spiral unloading moving device can also be a crane. Driven by the spiral unloading moving device, the spiral unloading device can move laterally along the crossbeam 32 to cover the width direction of the cargo ship. Under the coordinated action of the crossbeam moving device 33 and the spiral unloading moving device, the spiral ship unloader 3 can realize the free movement of the spiral unloading device in the length and width direction of the cargo ship, thereby ensuring a full range of unloading operations for the powder loaded on the cargo ship.

[0054] In a specific embodiment of the present application, the screw ship unloader 3 also includes a first conveyor belt device (not shown) and a second conveyor belt device (not shown). The first conveyor belt device is installed on the crossbeam 32, and the second conveyor belt device is installed on the guide rail 31. One end of the first conveyor belt device is located at the discharge end of the screw unloading device. The screw unloading device conveys the materials on the cargo ship to the conveyor belt of the first conveyor belt device through its internal screw mechanism. The other end of the first conveyor belt device extends above the second conveyor belt device, so that the materials on the first conveyor belt device can be transferred to the conveyor belt of the second conveyor belt device, and continue to be transported to the designated location. Starting from the discharge end of the screw unloading device, the materials are initially transported by the first conveyor belt device, and then further transferred to the second conveyor belt device, and finally arrive at the predetermined stacking or processing location.

[0055] like Figure 5As shown, in a specific embodiment of the present application, the spiral unloading device includes a unloading arm 35. One end of the unloading arm 35 is connected to the body of the spiral unloading device in a liftable manner, and a hydraulic cylinder is used as a driving element to realize the lifting and lowering movement of the end of the unloading arm 35 in the vertical direction to adapt to the change in the pile surface height of the material pile. The other end of the unloading arm 35 is connected to a suction head, and under the swing of the unloading arm 35, the suction head is driven to move in the length direction of the beam 32 to expand its working coverage. The suction head is specifically connected to the spiral unloading device to realize the transportation of materials. Through the lifting and lowering movement of the unloading arm 35, the swing of the unloading arm 35, and the coordinated action of the beam moving device 33 and the spiral unloading moving device 34, the suction head can reach every corner of the material pile, thereby improving the comprehensiveness of material unloading.

[0056] like Figure 5 As shown, in a specific embodiment of the present application, an infrared distance measuring device 4 is also included. The infrared distance measuring device 4 is installed on the suction head, or installed on the crossbeam 32, or the suction head and the crossbeam 32 are both installed with the infrared distance measuring device 4. The infrared distance measuring device 4 installed on the suction head is used to monitor the dynamic changes of the pile surface height in real time, so as to guide the suction head to make adaptive adjustments according to the fluctuations of the pile surface height, ensure that the unloading process is uniform and continuous, and effectively avoid the formation of material pits due to local excessive excavation. Once a material pit is formed, it may not only cause the material slump to increase and increase the risk of dust, but also may cause a large fluctuation in the unloading efficiency due to the different buried depths of the suction head. On the other hand, the infrared distance measuring device 4 installed on the crossbeam 32 is used to track the walking position of the negative pressure device or the suction head, so as to obtain the position information of the negative pressure device or the suction head in real time, and then adjust its walking speed to ensure that the suction head walks evenly on the material pile surface without leaving any unprocessed dead corners, thereby ensuring the unloading quality while eliminating the additional steps of using a warehouse cleaning machine in the future, further improving the overall operation efficiency and economy.

[0057] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A powder material unloading terminal structure based on a screw unloader, characterized in that: include: The ship unloading dock comprises an offshore water plank road and a covered shed, wherein the number of the offshore water plank roads is at least two, the covered shed is arranged across the two offshore water plank roads, the water area below the covered shed is a unloading area, and the water area outside the covered shed is a barge area; A screw ship unloader is arranged in the cover shed and above the unloading area. The screw ship unloader is used for unloading powder on the hull of the unloading area.

2. The powder material unloading terminal structure based on the screw ship unloader according to claim 1 is characterized in that: The offshore underwater plank road comprises a pile foundation and a terrace, one end of the pile foundation is inserted into the underwater stratum, and the terrace is connected to the other end of the pile foundation.

3. The powder material unloading terminal structure based on the screw ship unloader according to claim 2 is characterized in that: The canopy comprises a wall body and a roof body, wherein the wall body is erected on the terrace, and the roof body is covered on the wall body, and the wall body and the roof body enclose a storage space for accommodating a discharge ship.

4. The powder material unloading terminal structure based on the screw ship unloader according to claim 3 is characterized in that: The wall is provided with a skylight and a rolling door, wherein the skylight is located above the rolling door, and there are multiple skylights and rolling doors.

5. The powder material unloading terminal structure based on the screw ship unloader according to claim 3 is characterized in that: A dust removal device is also provided in the cover shed, and the dust removal device is used for spraying dust removal toward the unloading ship.

6. The powder material unloading terminal structure based on the screw ship unloader according to claim 3 is characterized in that: It also includes a photovoltaic panel, which is installed on the roof of the shed.

7. The powder material unloading terminal structure based on the screw ship unloader according to any one of claims 1 to 6, characterized in that: The screw ship unloader comprises: Guide rails arranged in pairs are installed parallel to each other on the upright posts of the canopy; A crossbeam, arranged between the guide rails arranged in pairs; A crossbeam moving device is movably connected to the guide rail, the crossbeam is connected to the crossbeam moving device, and the crossbeam moving device is used to drive the crossbeam to move on the guide rail; A spiral unloading device is mounted on the crossbeam; The spiral unloading moving device is movably connected to the cross beam, the spiral unloading device is installed on the spiral unloading moving device, and the spiral unloading moving device is used to drive the spiral unloading device to move on the cross beam.

8. The powder material unloading terminal structure based on the screw ship unloader according to claim 7 is characterized in that: It also includes a first conveyor belt device and a second conveyor belt device, the first conveyor belt device is installed on the crossbeam, the second conveyor belt device is installed on the guide rail, one end of the first conveyor belt device is located at the discharge end of the spiral unloading device, and the other end of the first conveyor belt device is located on the second conveyor belt device.

9. The powder material unloading terminal structure based on the screw ship unloader according to claim 7, characterized in that: The spiral unloading device includes a unloading arm, one end of which is liftably connected to the spiral unloading device, and the other end of the unloading arm is connected to a suction head, which is hinged to the unloading arm so that the suction head can swing along the length direction of the beam.

10. The powder material unloading terminal structure based on the screw ship unloader according to claim 9, characterized in that: It also includes an infrared distance measuring device, which is installed on the suction head and / or on the crossbeam.

Citation Information

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