Automatic discharging system suitable for portal crane hopper

Abstract

The utility model discloses an automatic blanking system suitable for a portal crane hopper, which relates to the technical field of automatic blanking of hoppers and comprises a hydraulic power station component, two groups of driving components are fixedly arranged on two sides of the hydraulic power station component, and one ends of the two groups of driving components are fixedly connected with a storage component. After hydraulic oil pressed by a hydraulic pump driven by a direct-current motor is reduced to working pressure through a hydraulic valve combination, the hydraulic oil is connected with an oil conveying pipeline through an oil outlet, hydraulic driving force is provided for a hydraulic cylinder connected with the hydraulic valve combination, and return oil of the hydraulic cylinder passes through a recovery pipe, passes through a return oil filter and then returns to an oil tank. The push-pull rod is controlled to move through stretching and retracting of the piston rod of the hydraulic cylinder, opening and closing of the material blocking plate are achieved, and therefore opening and closing of the discharging opening of the hopper are automatically controlled, man-machine cross operation is avoided, safety risks existing in the operation process are avoided to the maximum extent, the labor intensity of workers is reduced, automation is achieved, manpower is reduced, and the loading and unloading production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic material unloading of hoppers, in particular to an automatic material unloading system suitable for hoppers of portal cranes. Background Art

[0002] Large lifting machinery is widely used for the transfer of materials in ports, large warehouses and other places. Especially in ports, large container cranes, loading and unloading bridges and other large lifting machinery used to unload goods have high working efficiency. When it is necessary to transfer coal, sand, ore and other goods from the ship, first, the material is grabbed by the grab of the large crane, and then the material is directly unloaded into the hopper through the grab, and the material is discharged through the hopper.

[0003] The dock loading and unloading process is standardized. After the gantry crane grabs the goods and unloads them into the hopper, the on-site loading and unloading personnel assist in opening and closing the hopper's cargo discharge port. The cross-operation between man and machine causes the risk of splashing of personnel and goods, mechanical injury, and low operating efficiency. Therefore, it is necessary to design an automatic unloading system suitable for the gantry crane hopper to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic unloading system suitable for the hopper of a gantry crane. By adopting this device, the problem that after the gantry crane grabs the goods and unloads them into the hopper, the on-site loading and unloading personnel assist in opening and closing the hopper's cargo opening, and the cross-operation of man and machine leads to the risk of splashing of personnel and goods and mechanical injury is solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic unloading system suitable for a hopper of a portal crane, comprising a hydraulic power station assembly, two sets of drive assemblies are fixedly arranged on both sides of the hydraulic power station assembly, and one end of the two sets of drive assemblies is connected and fixed with a storage assembly;

[0006] The driving assembly includes hydraulic cylinders fixedly arranged on both sides of the hydraulic power station assembly, a piston rod is fixedly installed at one end of the hydraulic cylinder, a fixed block is fixedly installed at one end of the piston rod, and a push-pull rod runs through the two sets of fixed blocks.

[0007] Preferably, the hydraulic power station assembly includes an oil tank and four groups of fixed gaskets fixedly installed on the lower surface of the oil tank, the fixed gaskets are used to support the oil tank, and bolts are connected to the fixed gaskets.

[0008] Preferably, a liquid inlet is fixedly mounted on the oil tank, and the liquid inlet is used to transport hydraulic oil into the oil tank. A glass liquid level gauge is fixedly mounted on the oil tank.

[0009] Preferably, a DC motor is fixedly mounted on the oil tank, and a hydraulic pump is fixedly mounted on the output end of the DC motor. The hydraulic pump has an oil suction port and an oil outlet port, wherein the oil suction port of the hydraulic pump is located inside the oil tank.

[0010] Preferably, the oil outlet port of the hydraulic pump is threadedly connected with a first oil pipe, the first oil pipe is used to transport hydraulic oil, and a hydraulic valve assembly is fixedly installed at one end of the first oil pipe, the hydraulic valve assembly has a relief valve, a reversing valve, and a throttle valve.

[0011] Preferably, the hydraulic valve assembly is provided with two groups of oil outlets, the oil outlet end of the hydraulic valve assembly is connected to an oil pipeline, one end of the oil pipeline is fixedly installed with a threaded connector, and the oil pipeline is connected to the hydraulic cylinder via the threaded connector.

[0012] Preferably, the hydraulic cylinder is also connected to a recovery pipe, one end of the recovery pipe is connected to an oil return filter, and the oil return filter has an oil return port.

[0013] Preferably, the storage assembly includes a material storage hopper arranged on one side of the upper end of the push-pull rod, and a discharge port is opened on the bottom surface of the material storage hopper. The storage assembly also includes a blocking plate fixedly installed at one end of the push-pull rod, and connecting blocks of different widths are fixedly installed on both sides of the blocking plate. One end of the push-pull rod is fixedly connected to the bottom of the wider connecting block.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the hydraulic oil squeezed out by the hydraulic pump driven by a DC motor is reduced to the working pressure by the hydraulic valve combination, and then connected to the oil pipeline through the oil outlet to provide hydraulic driving force for the hydraulic cylinder connected to the hydraulic valve combination. The return oil of the hydraulic cylinder passes through the recovery pipe and the return oil filter and then returns to the oil tank. The movement of the push-pull rod is controlled by the extension and contraction of the hydraulic cylinder piston rod to realize the opening and closing of the blocking plate, thereby realizing the automatic control of the opening and closing of the hopper discharge port, avoiding the cross-operation of man and machine, avoiding the safety risks in the operation process to the greatest extent, reducing the labor intensity of workers, realizing automation and reducing manpower, and improving the loading and unloading production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an exploded view of the hydraulic power station assembly of the utility model;

[0016] Figure 2 This is a structural diagram of the hydraulic power station assembly and the drive assembly of the utility model;

[0017] Figure 3 This is a structural diagram of the storage component of the present utility model.

[0018] In the figure: 1. Hydraulic power station assembly; 11. Oil tank; 111. Fixed gasket; 112. Liquid inlet; 12. Glass liquid level gauge; 13. DC motor; 14. Hydraulic pump; 141. First oil pipe; 142. Hydraulic valve assembly; 15. Oil pipeline; 151. Threaded connector; 16. Recovery pipe; 161. Return oil filter; 2. Drive assembly; 21. Hydraulic cylinder; 211. Piston rod; 212. Fixed block; 22. Push-pull rod; 3. Storage assembly; 31. Storage hopper; 311. Discharge port; 32. Blocking plate; 321. Connecting block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0021] Combination Figure 1 The utility model discloses an automatic unloading system suitable for a hopper of a gantry crane, comprising a hydraulic power station assembly 1, two sets of driving assemblies 2 are fixedly arranged on both sides of the hydraulic power station assembly 1, and one end of the two sets of driving assemblies 2 is connected and fixedly connected to a storage assembly 3.

[0022] The utility model is further described below in conjunction with embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 3 , a lower hopper discharging spray structure, to achieve the above purpose, the utility model provides the following technical solutions: the driving component 2 includes a hydraulic cylinder 21 fixedly arranged on both sides of the hydraulic power station component 1, a piston rod 211 is fixedly installed at one end of the hydraulic cylinder 21, a fixed block 212 is fixedly installed at one end of the piston rod 211, and a push-pull rod 22 runs through the two sets of fixed blocks 212.

[0025] The hydraulic power station assembly 1 includes an oil tank 11 and four groups of fixed gaskets 111 fixedly mounted on the lower surface of the oil tank 11. The fixed gaskets 111 are used to support the oil tank 11. Bolts (not shown in the figure) are connected to the fixed gaskets 111. The bolts are used to fix the fixed gaskets 111 to the ground. A liquid inlet 112 is fixedly mounted on the oil tank 11. The liquid inlet 112 is used to transport hydraulic oil into the oil tank 11. A glass level gauge 12 is fixedly mounted on the oil tank 11. The glass level gauge 12 is used to check the remaining amount of hydraulic oil in the oil tank 11. A DC motor 13 is also fixedly mounted on the oil tank 11. A hydraulic pump 14 is fixedly mounted on the output end of the DC motor 13. The hydraulic pump 14 has an oil suction port and an oil outlet port, wherein the oil suction port of the hydraulic pump 14 is located inside the oil tank 11. The hydraulic pump 14 is suitable for rotating with the output end of the DC motor 13 to drive the oil suction port of the hydraulic pump 14 to suck the hydraulic oil. The oil outlet port of the hydraulic pump 14 is threadedly connected to a first oil pipe 141, which is used to transport hydraulic oil. A hydraulic valve assembly 142 is fixedly installed at one end of the first oil pipe 141. The hydraulic valve assembly 142 has a relief valve, a reversing valve, a throttle valve, and a pressure reducing valve. Two groups of oil outlets are provided on the hydraulic valve assembly 142. The oil outlet end of the hydraulic valve assembly 142 is connected to an oil delivery pipeline 15. A threaded connector 151 is fixedly installed at one end of the oil delivery pipeline 15. The oil delivery pipeline 15 is connected to the hydraulic cylinder 21 through the threaded connector 151, so as to be suitable for transporting hydraulic oil to the hydraulic cylinder 21. The hydraulic cylinder 21 is also connected to a recovery pipe 16, and one end of the recovery pipe 16 is connected to an oil return filter 161. The oil return filter 161 has an oil return port. The oil return filter 161 is used to filter the oil so that it is suitable for recovering the oil into the oil tank 11 through the oil return port of the oil return filter 161.

[0026] The storage assembly 3 includes a storage hopper 31 arranged on one side of the upper end of the push-pull rod 22, and a discharge port 311 is provided on the bottom surface of the storage hopper 31, and the discharge port 311 is used to discharge the goods in the storage hopper 31. The storage assembly 3 also includes a blocking plate 32 fixedly installed at one end of the push-pull rod 22, and two sides of the blocking plate 32 are fixedly installed with connecting blocks 321 of different widths. One end of the push-pull rod 22 is fixedly connected to the bottom of the wider connecting block 321.

[0027] When in use, the hydraulic oil squeezed out by the hydraulic pump 14 driven by the DC motor 13 is reduced to the working pressure through the hydraulic valve combination 142, and then connected to the oil pipeline 15 through the oil outlet, providing hydraulic driving force for the hydraulic cylinder 21 connected to the hydraulic valve combination 142. The return oil of the hydraulic cylinder 21 passes through the recovery pipe 16 and the return oil filter 161 and then returns to the oil tank 11. The movement of the push-pull rod 22 is controlled by the extension and contraction of the piston rod 211 of the hydraulic cylinder 21 to realize the opening and closing of the blocking plate 32, thereby realizing the automatic control of the opening and closing of the hopper discharge port 311, avoiding cross-operation between man and machine, avoiding the safety risks in the operation process to the greatest extent, reducing the labor intensity of workers, realizing automation and reducing manpower, and improving the loading and unloading production efficiency.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic unloading system for a hopper of a portal crane, comprising a hydraulic power station assembly (1), characterized in that: Two sets of driving components (2) are fixedly arranged on both sides of the hydraulic power station component (1), and one end of the two sets of driving components (2) is connected and fixedly connected to a storage component (3); The driving assembly (2) comprises a hydraulic cylinder (21) fixedly arranged on both sides of the hydraulic power station assembly (1); a piston rod (211) is fixedly mounted on one end of the hydraulic cylinder (21); a fixing block (212) is fixedly mounted on one end of the piston rod (211); and a push-pull rod (22) runs through the two sets of fixing blocks (212).

2. The automatic unloading system for a hopper of a portal crane according to claim 1, characterized in that: The hydraulic power station assembly (1) comprises an oil tank (11) and four groups of fixed gaskets (111) fixedly mounted on the lower surface of the oil tank (11); the fixed gaskets (111) are used to support the oil tank (11); and bolts are connected to the fixed gaskets (111).

3. The automatic unloading system for a hopper of a portal crane according to claim 2, characterized in that: The oil tank (11) is fixedly provided with a liquid inlet (112), and the liquid inlet (112) is used to transport hydraulic oil into the oil tank (11). The oil tank (11) is fixedly provided with a glass liquid level gauge (12).

4. The automatic unloading system for a hopper of a portal crane according to claim 3, characterized in that: A DC motor (13) is also fixedly mounted on the oil tank (11), and a hydraulic pump (14) is fixedly mounted on the output end of the DC motor (13). The hydraulic pump (14) has an oil suction port and an oil discharge port, wherein the oil suction port of the hydraulic pump (14) is located inside the oil tank (11).

5. The automatic unloading system for a hopper of a portal crane according to claim 4, characterized in that: The oil outlet port of the hydraulic pump (14) is threadedly connected to a first oil pipe (141), the first oil pipe (141) being used to transport hydraulic oil, and a hydraulic valve assembly (142) is fixedly mounted on one end of the first oil pipe (141), the hydraulic valve assembly (142) comprising a relief valve, a reversing valve and a throttle valve.

6. The automatic unloading system for a hopper of a portal crane according to claim 5, characterized in that: The hydraulic valve assembly (142) is provided with two groups of oil outlets. The oil outlet end of the hydraulic valve assembly (142) is connected to an oil delivery pipeline (15). A threaded connector (151) is fixedly installed at one end of the oil delivery pipeline (15). The oil delivery pipeline (15) is connected to the hydraulic cylinder (21) via the threaded connector (151).

7. The automatic unloading system for a hopper of a portal crane according to claim 6, characterized in that: The hydraulic cylinder (21) is also connected to a recovery pipe (16), one end of the recovery pipe (16) is connected to an oil return filter (161), and the oil return filter (161) has an oil return port.

8. The automatic unloading system for a portal crane hopper according to claim 7, characterized in that: The storage assembly (3) comprises a material storage hopper (31) arranged on one side of the upper end of the push-pull rod (22), and a material discharge port (311) is provided on the bottom surface of the material storage hopper (31). The storage assembly (3) also comprises a material blocking plate (32) fixedly mounted on one end of the push-pull rod (22), and connecting blocks (321) of different widths are fixedly mounted on both sides of the material blocking plate (32), and one end of the push-pull rod (22) is fixedly connected to the bottom of the wider connecting block (321).

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