Hydraulic turning plate unloading system

Abstract

The utility model discloses a hydraulic turning plate unloading system, and relates to the technical field of hydraulic turning plates, the hydraulic turning plate unloading system is provided with a foundation pit and an unloading pit which are communicated with each other, and the hydraulic turning plate unloading system comprises a grating and an unloading port formed in the unloading pit; the movable assembly is arranged in the foundation pit; the overturning platform is movably connected with the movable assembly, and one end of the overturning platform extends in the direction of the discharging pit to form a collapsed platform; the overturning platform has the initial state that the overturning platform rotates to be located on the same horizontal plane with the grating so that the collapsing table can abut against the grating, and the discharging state that the overturning platform rotates to form a slope so that the collapsing table can be separated from the grating. According to the technical scheme provided by the utility model, through the matching of the turnover platform and the grating, the technical problem that a movable platform of an existing hydraulic turnover plate cannot meet different requirements of operators on unloading operation is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic turnover plate technical field, especially relates to a hydraulic turnover plate unloading system. BACKGROUND

[0002] As the rapid unloading equipment of the freight train, the hydraulic turnover plate has been developed rapidly due to high unloading efficiency and strong safety, and is widely used in large operation occasions such as grain, coal, feed, wood chip and building. At present, in order to meet the unloading operation of the material with large repose angle and improve the operation efficiency (positive loading), the movable platform of the through hydraulic turnover plate unloading port needs to be configured.

[0003] However, the movable platform of the existing hydraulic turnover plate cannot meet the different needs of the operator for the unloading operation in the use process. UTILITY MODEL CONTENT

[0004] The utility model discloses a hydraulic turnover plate unloading system, which aims to solve the technical problem that the movable platform of the existing hydraulic turnover plate cannot meet the different needs of the operator for the unloading operation.

[0005] To achieve the above purpose, the hydraulic turnover plate unloading system provided by the utility model has a connected base pit and unloading pit, and comprises:

[0006] A grid is arranged at the unloading port of the unloading pit.

[0007] A movable assembly is arranged at the base pit.

[0008] A turnover platform is movably connected with the movable assembly, and one end of the turnover platform extends towards the direction of the unloading pit to form a collapse platform.

[0009] The turnover platform has an initial state of rotating to the same horizontal plane as the grid so that the collapse platform abuts against the grid, and an unloading state of rotating to form a slope so that the collapse platform is separated from the grid.

[0010] In an embodiment, the turnover platform has an unloading end and a lifting end, and the movable assembly comprises:

[0011] A support is arranged at the base pit, and the support is hingedly connected with the unloading end of the turnover platform.

[0012] A hydraulic cylinder is arranged at the base pit and is drivingly connected with the lifting end of the turnover platform to drive the turnover platform to rotate around the unloading end as the rotation shaft.

[0013] The lifting end of the turnover platform can be raised by the hydraulic cylinder to place the turnover platform in the unloading state, or lowered by the hydraulic cylinder to place the turnover platform in the initial state.

[0014] In an embodiment, the hydraulic turnover unloading system further comprises a limiting structure arranged on the turnover platform to limit the movement of the vehicle.

[0015] In an embodiment, the limiting structure comprises a wheel stopper arranged on the turnover platform, and two wheel stoppers are arranged along the length direction and the width direction of the turnover platform, respectively, and the two wheel stoppers in the width direction of the turnover platform are respectively in abutment with the opposite sides of the vehicle wheels.

[0016] In an embodiment, the sum of the length of the grid and the length of the turnover platform is equal to the sum of the length of the foundation pit and the length of the unloading pit, and the length of the grid is less than the length of the unloading pit.

[0017] In an embodiment, the end surface of the grid close to the turnover platform is arranged in an arc shape.

[0018] In an embodiment, the surface of the grid is a grid hole structure.

[0019] In an embodiment, the hydraulic turnover unloading system further comprises an operation station arranged on one side of the turnover platform and connected with the movable assembly to control the turnover platform.

[0020] In an embodiment, the operation station comprises a hydraulic station and an electrical control cabinet in communication connection with the hydraulic station, wherein the hydraulic station is used to provide power for the hydraulic turnover unloading system, and the electrical control cabinet is used to convert control signals into execution instructions to drive the hydraulic station to operate.

[0021] In an embodiment, the hydraulic turnover unloading system further comprises a conveying device arranged in the unloading pit to convey materials.

[0022] The technical scheme provided by the utility model discloses, through the grating set up, can bear the vehicle when the vehicle prepares to unload, makes the vehicle pass through the unloading pit safely, removes to the flap platform, and when the vehicle unloads, the loose material in the vehicle can pass through the grating and unload into the unloading pit successfully.The movable assembly is the core part of the hydraulic flap unloading system, can drive the end of the turnover platform to lift and realize the inclination of the turnover platform, thereby achieving the purpose of unloading.The turnover platform is the main working area of the hydraulic flap unloading system, when the vehicle drives into the turnover platform, through lifting the end of the turnover platform, makes the turnover platform can incline a certain angle, thereby making the material in the vehicle slide out and unload automatically.In addition, through extending the collapse platform from the end of the turnover platform, when needing to drive the vehicle into the turnover platform or drive the vehicle out of the turnover platform, makes the turnover platform be in the initial state, at this time, the collapse platform can abut against the grating, thereby ensuring that the vehicle can enter the unloading area stably; when the vehicle has driven into the turnover platform and needs to unload, makes the turnover platform be in the unloading state, at this time, the collapse platform can be separated from the grating, can effectively avoid the rear bumper and other accessories of the vehicle, reduces the risk of the tail of the vehicle touching the ground under the condition of a large angle, thereby meeting the unloading demand of the vehicle and improving the unloading safety.Meanwhile, the collapse platform can make the material slide into the unloading pit smoothly, reduces the possibility of the material sliding into the foundation pit.The technical scheme provided by the utility model embodiment reduces the operation complexity, improves the efficiency and safety, can effectively meet the demand of the operator for the unloading operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in these drawings without creating labor.

[0024] Figure 1 The structure schematic diagram of the hydraulic flap unloading system provided by the utility model in the unloading preparation state is provided.

[0025] Figure 2 The top view structure schematic diagram of the embodiment of the hydraulic flap unloading system provided by the utility model is provided.

[0026] Figure 3 The structure schematic diagram of the hydraulic flap unloading system provided by the utility model in the unloading state is provided.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 10 - foundation pit; 20 - discharge pit; 30 - grating; 40 - turnover platform; 41 - collapsed platform; 50 - support; 60 - hydraulic cylinder; 70 - wheel stopper; 80 - operating station; 81 - hydraulic station; 82 - electrical control cabinet; 90 - conveying equipment.

[0029] The realization, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0032] In addition, if the present application embodiments involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0033] At present, in the use process of the hydraulic turnover plate unloading system, in order to meet the unloading operation of the material with a large material rest angle, and at the same time, improve the operation efficiency, a movable platform passing through the hydraulic turnover plate unloading port needs to be configured. The movable platform is currently mostly lifting type or double-leaf type. However, the lifting range of the lifting type platform is large, which is easy to interfere with the dust removal pipeline on the upper part of the unloading pit, affects the smooth operation of the unloading operation, and the lifting angle is large, which may cause the material to slide too fast, and there is a safety hazard. In addition, the rising and falling process is slow, which reduces the overall unloading efficiency; and the double-leaf platform has a large land occupation area, which is not suitable for on-site multiple arrangements, and has a small applicable range. At the same time, both have the problems of high configuration cost, complex operation, and inconvenience of personnel opening the compartment door. Therefore, the hydraulic turnover plate cannot meet the different needs of the operators for the unloading operation.

[0034] Therefore, the hydraulic turnover plate unloading system provided by the embodiments of the present application extends a collapsed platform at one end of the turnover platform, so that the turnover platform is in an initial state, the collapsed platform can abut against the grating, so that the vehicle can safely pass through the unloading pit and move to the turnover platform, and then the turnover platform is in an unloading state, the collapsed platform can be separated from the grating, so as to effectively avoid the accessories such as the rear bumper of the vehicle, reduce the risk of the tail of the vehicle touching the ground under a large angle, meet the unloading requirements of the vehicle, and improve the unloading safety.

[0035] In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the drawings.

[0036] As shown in Figure 1 , Figure 2 , Figure 3 The utility model provides a kind of hydraulic turnover plate unloading system, and the hydraulic turnover plate unloading system has the basis pit 10 and unloading pit 20 being communicated, and the hydraulic turnover plate unloading system includes:

[0037] Grating 30 is arranged at the unloading port of the unloading pit 20;

[0038] Movable assembly is arranged in the basis pit 10;And

[0039] Turnover platform 40 is movably connected with the movable assembly, and one end of the turnover platform 40 extends towards the direction of the unloading pit 20 to form a collapsed platform 41;

[0040] Wherein, the turnover platform 40 has an initial state of rotating to the same horizontal plane with the grating 30 so that the collapsed platform 41 abuts against the grating 30, and an unloading state of rotating to form a slope so that the collapsed platform 41 is separated from the grating 30.

[0041] In the technical scheme adopted in the embodiment, the grid 30 is arranged to support the vehicle when the vehicle is preparing to unload, so that the vehicle can safely pass through the unloading pit 20 and move to the turnover platform, and when the vehicle is unloading, the scattered material in the vehicle can be smoothly unloaded into the unloading pit 20 through the grid 30. The movable assembly is the core part of the hydraulic turnover unloading system, which can drive one end of the turnover platform 40 to lift to realize the inclination of the turnover platform 40, so as to achieve the purpose of unloading. The turnover platform 40 is the main working area of the hydraulic turnover unloading system. When the vehicle enters the turnover platform 40, one end of the turnover platform 40 is lifted to make the turnover platform 40 inclined at a certain angle, so that the material in the vehicle can be automatically slid out for unloading. In addition, the collapse platform 41 is extended from one end of the turnover platform 40. When the vehicle needs to enter the turnover platform 40 or the vehicle needs to exit from the turnover platform 40, the turnover platform 40 is in the initial state, at this time, the collapse platform 41 can abut against the grid 30, so as to ensure that the vehicle can smoothly enter the unloading area. When the vehicle has entered the turnover platform 40 and needs to be unloaded, the turnover platform 40 is in the unloading state, at this time, the collapse platform 41 can be separated from the grid 30, which can effectively avoid the rear bumper and other accessories of the vehicle, reduce the risk of the tail of the vehicle touching the ground under a large angle, so as to meet the unloading demand of the vehicle and improve the unloading safety. At the same time, the collapse platform 41 can make the material smoothly slide into the unloading pit 20, and reduce the possibility of the material sliding into the foundation pit 10. The technical scheme of the embodiment of the utility model reduces the operation complexity, improves the efficiency and safety, and can effectively meet the demand of the operator for unloading operation.

[0042] Specifically, the hydraulic turnover unloading system comprises a grid 30, a movable assembly and a turnover platform 40.

[0043] The grid 30 can be made of metal materials such as stainless steel, iron, etc., has a certain bearing capacity, can provide support, and a plurality of through holes can be provided on the grid 30 to facilitate the material to fall into the discharge pit 20 through the holes. The movable assembly is used to realize the lifting of the turnover platform 40, and the movable assembly can drive one end of the turnover platform 40 to rise relative to the other end, so that the material can slide out of the vehicle after the vehicle completes the unloading preparation work. It can be understood that the movable assembly has opposite support ends and lifting ends, the support end can be a support column, which is arranged close to the discharge pit 20, and the lifting end can be a cylinder, which is arranged away from the discharge pit 20, and the support column and the cylinder can be rotatably connected to both ends of the turnover platform 40 through a rotating shaft. When it is needed to drive the vehicle into or away from the turnover platform 40, the cylinder is started to make one end of the turnover platform 40 rotate around the support column, so that the platform 41 at one end of the turnover platform 40 moves towards the grid 30, and until abuts against the grid 30, so that the turnover platform 40 is on the same horizontal plane as the grid 30. At this time, the vehicle can stably pass through the grid 30 to drive into or away from the turnover platform 40; when it is needed to rotate the vehicle to tilt and unload, the cylinder is reversed to make the platform 41 at one end of the turnover platform 40 move away from the grid 30, until the platform 41 is separated from the grid 30, so that the unloading of the vehicle can be realized. In the embodiment, the platform 41 extending from the turnover platform 40 is located above the discharge pit 20, so that when the vehicle is tilted to a large angle, the rear bumper and other accessories of the vehicle can be effectively avoided, and the risk of touching the bottom is reduced. The platform 41 also facilitates the operator to stand and open the rear door of the vehicle.

[0044] Further, with reference to Figure 1 and Figure 3 In an embodiment of the present application, the turnover platform 40 has a discharge end and a lifting end, and the movable assembly comprises:

[0045] a support 50 arranged in the foundation pit 10 and hinged to the discharge end of the turnover platform 40; and

[0046] a hydraulic cylinder 60 arranged in the foundation pit 10 and drivingly connected to the lifting end of the turnover platform 40 to drive the turnover platform 40 to rotate around the discharge end as a rotating shaft;

[0047] Wherein, the lifting end of the turnover platform 40 can be lifted by the hydraulic cylinder 60 to make the turnover platform 40 in the unloading state, or lowered by the hydraulic cylinder 60 to make the turnover platform 40 in the initial state.

[0048] In the technical scheme adopted in the embodiment, the movable assembly further comprises a support 50 and a hydraulic cylinder 60. The support 50 is an important component for mounting and fixing the turnover platform 40, is usually made of solid metal material, and can provide stable support and fixing functions for the turnover platform 40, thereby ensuring the stability and safety of the turnover platform 40 and maximizing the performance of the turnover platform 40. The hydraulic cylinder 60 can push the lifting of the turnover platform 40, and ensure the efficiency and safety of the unloading process. When the turnover platform 40 needs to be lifted or lowered, the lifting end of the turnover platform 40 is pushed or pulled by the hydraulic cylinder 60, so that the turnover platform 40 rotates around the unloading end of the turnover platform 40, and thus the landing platform 41 located at the unloading end is moved towards the unloading pit 20 or abuts against the grid 30.

[0049] Further, with reference to Figure 1 、 Figure 3 In an embodiment of the utility model, the hydraulic turnover unloading system further comprises a limiting structure arranged on the turnover platform 40 and used for limiting the movement of the vehicle.

[0050] In the technical scheme adopted in the embodiment, the limiting structure can limit the movement of the vehicle during the unloading process, ensure the safety of the vehicle, and reduce the risk of the vehicle sliding off the unloading end of the turnover platform 40 during the unloading operation of the vehicle. It can be understood that a safety lock chain is arranged at the lifting end of the turnover platform 40, and the vehicle is locked when the turnover platform 40 rotates. Of course, in order to further protect the vehicle, an inclined angle limiting structure can also be arranged on the turnover platform 40, which can limit the inclination angle of the turnover platform 40 and reduce the possibility of the vehicle sliding or overturning due to excessive inclination of the turnover platform 40.

[0051] Further, with reference to Figure 1 、 Figure 2 In an embodiment of the utility model, the limiting structure comprises a wheel stopper 70 arranged on the turnover platform 40, and two wheel stoppers 70 are arranged along the length direction and the width direction of the turnover platform 40, respectively. The two wheel stoppers 70 in the width direction of the turnover platform 40 abut against the opposite sides of the vehicle wheels, respectively.

[0052] In the technical scheme adopted in the embodiment, the limiting mechanism can include a wheel stopper 70. The wheel stopper 70 can be arranged on the turnover platform 40 through a lifting mechanism. When the vehicle drives into or drives out of the turnover platform 40, the wheel stopper 70 is lowered to the same horizontal plane as the top of the turnover platform 40, thereby reducing the influence on the vehicle. When the vehicle starts to be tilted for unloading, the wheel stopper 70 is first lifted to abut against the wheels of the vehicle, so as to limit the movement of the vehicle. It can be understood that, by arranging two wheel stoppers 70 along the length direction of the turnover platform 40, the stability of the vehicle on the turnover platform 40 can be enhanced. By arranging two wheel stoppers 70 along the width direction of the turnover platform 40, the opposite sides of the wheels of the vehicle can be respectively limited, and the reliability of the limiting mechanism is enhanced.

[0053] Further, with reference to Figure 1 、 Figure 3 In an embodiment of the utility model, the sum of the length of the grating 30 and the length of the turnover platform 40 is equal to the sum of the length of the foundation pit 10 and the length of the unloading pit 20, and the length of the grating 30 is less than the length of the unloading pit 20.

[0054] In the technical scheme adopted in the embodiment, the sum of the length of the grating 30 and the length of the turnover platform 40 is equal to the sum of the length of the foundation pit 10 and the length of the unloading pit 20, which can ensure that the vehicle passes through the grating 30 stably when driving into and driving out of the turnover platform 40, and also ensure that the turnover platform 40 can completely cover the foundation pit 10 and the unloading pit 20 in cooperation with the grating 30 when the turnover platform 40 is in the initial state, thereby improving the safety. The length of the grating 30 is less than the length of the unloading pit 20, which can ensure that the rear bumper and other accessories of the vehicle are effectively avoided when the turnover platform 40 is tilted to the unloading state, thereby reducing the risk of the tail touching the bottom.

[0055] Further, in an embodiment of the utility model, the end surface of the grating 30 close to the turnover platform 40 is arc-shaped.

[0056] In the technical scheme adopted in the embodiment, by being so arranged, the turnover platform 40 can be conveniently rotated, the friction between the turnover platform 40 and the grating 30 in the rotating process is reduced, the rotation of the turnover platform 40 is smoother, and the position of the turnover platform 40 can be more flexibly adjusted. Moreover, the gap between the turnover platform 40 and the grating 30 when the turnover platform 40 is in the initial state can be reduced, and the vehicle can pass through the grating 30 stably and drive into the turnover platform 40.

[0057] Further, with reference to Figure 1 、 Figure 2 In an embodiment of the utility model, the surface of the grating 30 is a grating hole structure.

[0058] In the technical scheme adopted in the embodiment, the arrangement can facilitate smooth passing of the materials while providing sufficient strength and stability to bear the load of the vehicle, can reduce the accumulation of the materials on the surface of the grid 30, and improve the unloading efficiency.

[0059] Further, referring to Figure 2 In an embodiment of the utility model, the hydraulic turnover plate unloading system further comprises an operation station 80 arranged on one side of the turnover platform 40 and connected with the movable assembly, and used for controlling the turnover platform 40.

[0060] In the technical scheme adopted in the embodiment, the hydraulic turnover plate unloading system can further comprise the operation station 80. The operation station 80 can realize real-time monitoring of the unloading process, and the staff can remotely manage the unloading process, thereby improving the unloading efficiency and safety.

[0061] Further, referring to Figure 2 In an embodiment of the utility model, the operation station 80 comprises a hydraulic station 81 and an electrical control cabinet 82 in communication connection with the hydraulic station 81, wherein the hydraulic station 81 is used to provide power for the hydraulic turnover plate unloading system, and the electrical control cabinet 82 is used to convert control signals into execution instructions to drive the hydraulic station 81 to operate.

[0062] In the technical scheme adopted in the embodiment, the operation station 80 comprises the hydraulic station 81 and the electrical control cabinet 82. The hydraulic station 81 is a device for providing power for the hydraulic system, and the hydraulic station 81 drives the hydraulic cylinder 60 by controlling the flow of hydraulic oil, so as to realize the lifting of the turnover platform 40. The electrical control cabinet 82 is the control center of the entire hydraulic turnover plate unloading system, and can control the operation of the hydraulic station 81 through programming logic. The electrical control cabinet 82 generally comprises various safety protection devices, such as emergency stop button, overload protection, short circuit protection, etc., so as to ensure the safety of the operators and the equipment.

[0063] Further, referring to Figure 3 In an embodiment of the utility model, the hydraulic turnover plate unloading system further comprises a conveying device 90 arranged in the unloading pit 20 and used to convey the materials.

[0064] In the technical scheme adopted in the embodiment, the conveying device 90 arranged can quickly convey the materials from the unloading pit 20 to the designated position, reduce the accumulation of the materials in the unloading pit 20, and improve the unloading efficiency.

[0065] The above description is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A hydraulic flip unloading system, characterized in that, The hydraulic turnover unloading system has a foundation pit and a discharge pit in communication, and comprises: a grid arranged at a discharge opening of the discharge pit; a movable assembly arranged at the foundation pit; and a turnover platform movably connected with the movable assembly and extending in a direction towards the discharge pit to form a collapse platform; wherein the turnover platform has an initial state of rotating to the same horizontal plane as the grid so that the collapse platform abuts against the grid, and a discharge state of rotating to form a slope so that the collapse platform is separated from the grid.

2. The hydraulic flip unloading system of claim 1, wherein, The turnover platform has a discharge end and a lifting end, and the movable assembly comprises: a support arranged at the foundation pit and hingedly connected with the discharge end of the turnover platform; and a hydraulic cylinder arranged at the foundation pit and drivingly connected with the lifting end of the turnover platform to drive the turnover platform to rotate about the discharge end as a rotating shaft; wherein the lifting end of the turnover platform can be lifted by the hydraulic cylinder to place the turnover platform in the discharge state, or lowered by the hydraulic cylinder to place the turnover platform in the initial state.

3. The hydraulic flip unloading system as in claim 1, wherein, The hydraulic turnover unloading system further comprises a limiting structure arranged at the turnover platform to limit movement of the vehicle.

4. The hydraulic flip unloading system as in claim 3, wherein, The limiting structure comprises wheel stoppers arranged at the turnover platform, and two wheel stoppers are arranged along the length direction and the width direction of the turnover platform, respectively, and the two wheel stoppers in the width direction of the turnover platform abut against opposite sides of the vehicle wheels, respectively.

5. The hydraulic flip unloading system as in claim 1, wherein, The sum of the length of the grid and the length of the turnover platform is equal to the sum of the length of the foundation pit and the length of the discharge pit, and the length of the grid is less than the length of the discharge pit.

6. The hydraulic flip unloading system as in claim 5, wherein, An end surface of the grid close to the turnover platform is arranged in an arc shape.

7. The hydraulic flip unloading system as in claim 5, wherein, The surface of the grid is a grid hole structure.

8. The hydraulic flip unloading system as in claim 1, wherein, The hydraulic turnover unloading system further comprises an operation station arranged at one side of the turnover platform and connected with the movable assembly to control the turnover platform.

9. The hydraulic flip unloading system as in claim 8, wherein, The operation station comprises a hydraulic station and an electrical control cabinet in communication connection with the hydraulic station, wherein the hydraulic station is used to provide power for the hydraulic turnover unloading system, and the electrical control cabinet is used to convert a control signal into an execution instruction to drive the hydraulic station to operate.

10. The hydraulic flip unloading system as in claim 1, wherein, The hydraulic turnover unloading system further comprises a conveying device arranged in the discharge pit to convey materials.

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