CN201376654Y - Marine Belt Unloader - Google Patents

Abstract

The utility model discloses a marine belt unloader, which comprises a frame, a conveyor belt and a running device of the frame. The front part of the frame is provided with a driving device for driving the conveyor belt. A lifting device for lifting and lowering the frame is provided, and a fixing device for locking the frame that cooperates with the lifting device is also provided on the traveling device. The utility model can improve the working efficiency of unloading, the frame is fixed on the walking platform, and the walking platform can slide on the preset guide rail on the surface of the hull through the hoist, that is, according to the actual feeding position of the material, the frame can be placed in the hull according to the actual material feeding position. Sliding to achieve the best feeding position, the brake of the hoist adopts electro-hydraulic block brake, which can realize instant braking and ensure safety; at the same time, the lifting device adopts hydraulic mode, which has a simple structure, low failure rate and easy control of the actual lifting position, that is, it is easy to adjust the machine. The actual position of the rack can be positioned, and the operation is easy.

Description

Marine Belt Unloader

technical field

The utility model belongs to the field of belt conveying, in particular to a marine belt unloader.

Background technique

Commonly used belt conveyors can be divided into DT75 fixed belt conveyor, DTII fixed belt conveyor, HQ69 mobile belt conveyor, DY mobile belt conveyor and so on. The belt conveyor has the advantages of large conveying capacity, simple structure, convenient maintenance, and standardized components. It is widely used in mining, metallurgy, coal and other industries to convey loose materials or finished items. According to the requirements of the conveying process, it can be conveyed by a single , can also be composed of multiple units or combined with other conveying equipment to form a horizontal or inclined conveying system to meet the needs of different layout types of operation lines, suitable for conveying powdery, granular, small pieces of low-grinding materials and bagged materials , such as coal, gravel, sand, cement, fertilizer, grain, etc. The temperature of the material to be delivered is generally less than 60°C. The captain and assembly form can be determined according to the user's requirements. The electric roller can be used to directly drive the conveyor belt to run, or the motor plus a reducer can be used to drive the drive roller to drive the conveyor belt to run. The purpose of feeding.

Utility model content

The purpose of this utility model is to provide a marine belt unloader, which can effectively solve the problems that the existing belt conveyor used for unloading ships can only be fixed on the hull, the frame can only rotate but cannot translate, and the structure is complex and the failure rate is high. .

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: a marine belt unloader, which is characterized in that: it includes a frame, a conveyor belt and a walking device for the frame, and the front part of the frame is provided with a driving device for driving the conveyor belt. The frame tail is hinged on one end of the running device, and the other end of the running device is provided with a lifting device for lifting and lowering the frame, and the running device is also provided with a fixing device for locking the frame that cooperates with the lifting device.

Further, the walking device includes a walking platform and rollers at the bottom of the walking platform. A hoist is provided on the walking platform, and the two ends of the wire ropes in the hoist are respectively fixed on both sides of the cabin to ensure that the frame moves forward and backward along the preset track.

Furthermore, the brake of the winch adopts electro-hydraulic block brake, which can realize instant braking.

Preferably, the conveyor belt is driven by a double-row tooth chain to ensure the reliability of the transmission.

Preferably, the driving device adopts an explosion-proof motor to ensure the reliability of the motor.

Further, a screw tensioning device for the conveyor belt is provided at the rear of the frame to adjust the tension of the conveyor belt to be moderate.

Further, the lifting device includes a hydraulic pump, an oil cylinder and a piston rod. The hydraulic pump is connected to the oil cylinder to adjust the oil pressure. The bottom of the oil cylinder is hinged on the walking platform, the piston rod is placed in the oil cylinder in a clearance fit manner, and the top of the piston rod is hinged on the frame. .

Furthermore, the fixing device includes a positioning pin and a middle pillar with a triangular vertical section, a positioning block is provided on the middle pillar, and a positioning hole corresponding to the positioning groove in the frame is provided on the positioning block, and the positioning pin is inserted between the positioning hole and the positioning hole. Secure the rack in the slot.

Preferably, there are 3 to 5 positioning blocks, which can realize the fixing of the frame at various angles and are beneficial to material transfer.

Further, the middle part of the frame is provided with a cantilever beam which is 90° to the longitudinal direction of the frame, and the cantilever beam is connected to the frame through the stay cables on the front and rear sides to reinforce the frame and improve the rigidity of the frame.

Because the utility model adopts the above-mentioned technical scheme, the working efficiency of unloading can be improved. The frame is fixed on the walking platform, and the walking platform can slide on the preset guide rail on the surface of the hull through the winch, that is, according to the actual feeding position of the material, The optimal feeding position is achieved through the sliding of the frame in the hull, and the brake of the winch adopts an electro-hydraulic block brake, which can realize instant braking and ensure safety; at the same time, the lifting device of the utility model adopts a hydraulic method, which has a simple structure and low failure rate. It is low and the actual lifting position is easy to control, that is, it is easy to locate the actual position of the rack, and the operation is simple.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the structural representation of the utility model marine belt unloader;

Fig. 2 is the enlarged schematic view of structure at I place in Fig. 1;

Fig. 3 is the enlarged schematic diagram of the structure at II place in Fig. 1;

Fig. 4 is a structural schematic diagram of the inspection channel in the hull.

Detailed ways

As shown in Figures 1 to 3, it is a marine belt unloader of the present invention, which includes a frame 1, a conveyor belt 2 and a running device 3, and the tail of the frame 1 is hinged on one end of the running device 3, that is, the frame 1 can be wound around it. The tail is rotated, and the frame 1 is a frame structure welded by angle steel. The middle part of the frame 1 is provided with a cantilever 81 which is 90° to the longitudinal direction of the frame 1. The cantilever 81 is connected to the frame by stay cables 82 on the front and rear sides. 1. Added cantilever beams 81 and stay cables 82 to strengthen the rigidity of the frame 1 and prevent the frame 1 from shaking during operation and from being hit by the sea breeze on the equipment. The whole machine adopts a trough roller structure, and a buffer roller is added directly below the feeding place 93 to reduce the impact of the material on the conveyor belt 2.

The conveyor belt 2 is arranged between the driving roller 11 at the front of the frame 1 and the redirecting roller 12 at the tail. The driving device 4 is provided at the front of the frame 1. The driving device 4 drives the driving roller 11 to rotate through a double-row tooth chain transmission. Thereby driving the conveyor belt 2 to run to achieve the purpose of transporting materials; the driving device 4 adopts an explosion-proof motor, which can prevent inflammable and explosive materials from adversely affecting its operation; The tightening device 7 includes a screw screw 71 and a locking nut 72, and the purpose of adjusting the tightness of the conveyor belt 2 is achieved by rotating the screw screw 71. The surface increasing roller 13 is fixed on the frame 1, and the surface increasing roller 13 is arranged under the lower conveyor belt 2 on the side close to the driving roller 11 to increase the wrap angle between the conveyor belt 2 and the driving roller 11 and reduce power loss .

Walking device 3 comprises walking platform 31 and the roller 32 of walking platform 31 bottoms, and the guide rail corresponding with roller 32 is provided on the hull surface, and roller 32 can roll along guide rail, and walking platform 31 is provided with winch 33, and steel wire rope 34 two in winch 33 Ends are respectively fixed on the cabin 35 both sides. Through the operation of the winch 33, the walking platform 31 slides along the guide rail, and according to the position of the actual material, the optimal feeding position is realized by the sliding of the frame 1 in the hull. Due to the excessive weight of the whole machine, the inertia generated during the movement is relatively large. Based on safety considerations, the brake of the winch 33 adopts an electro-hydraulic block brake, which is composed of a brake frame and a matching electro-hydraulic pusher. When the power is turned on, the electro-hydraulic pusher moves, and its push rod rises rapidly, and the brake shoe is opened by leverage, that is, the brake is released; when the power is cut off, the push rod of the electro-hydraulic pusher is under the action of the brake spring , descend rapidly, and close the brake shoe through leverage, that is, the brake, so as to realize instant braking.

The other end of the running device 3 is provided with a lifting device 5 for rotating the frame 1 , and the running device 3 is provided with a fixing device 6 matched with the lifting device 5 for locking the frame 1 . Lifting device 5 includes hydraulic pump 51, oil cylinder 52 and piston rod 53. Hydraulic pump 51 is connected to oil cylinder 52 for adjusting the oil pressure. , the top of the piston rod 53 is hinged 54 on the frame 1; the fixing device 6 includes a positioning pin and a triangular middle pillar 61 in a vertical section, the middle pillar 61 is evenly provided with a positioning block 62, and the positioning block 62 is provided with a The positioning hole 63 corresponding to the positioning slot in 1, the positioning pin is inserted through the positioning hole 63 and the positioning slot to fix the frame 1. The hydraulic pump 51 is used as the lifting power source, and the oil pressure in the oil cylinder 52 is adjusted by the hydraulic pump 51 to realize the telescopic sliding of the piston rod 53 in the oil cylinder 52, so as to achieve the rotation of the frame 1 around the tail hinge; the positioning block is provided with 3 to 5 One, can realize the fixation of various angles to the frame, which is beneficial to material transmission; , insert the positioning pin through the positioning hole 63 into the positioning groove, thereby fixing the frame 1 .

As shown in Fig. 4, there is an inspection passage part on the hull, which is mainly composed of handrails 91 and a walkway 92 formed by mesh steel belts, which is convenient for operators to inspect and maintain the marine belt unloader. The handrail 91 and the walkway 92 are fixed on the bottom of the frame 1 in a bolted manner, which is convenient for transportation, installation and disassembly.

Claims (10)

1. The marine belt unloader is characterized in that: it includes a frame (1), a conveyor belt (2) and a running device (3) of the frame (1), and the front part of the frame (1) is provided with a Drive the driving device (4) of the conveyor belt (2), the tail of the frame (1) is hinged (54) on one end of the walking device (3), and the other end of the running device (3) is provided with a frame for lifting and lowering The lifting device (5) of (1), the running gear (3) is also provided with the fixing device (6) that is used to lock the frame (1) that cooperates with the lifting device (5). 2. The marine belt unloader according to claim 1, characterized in that: the walking device (3) includes a walking platform (31) and a roller (32) at the bottom of the walking platform (31), and the walking platform ( 31) is provided with hoist (33) on the hoist (33), and wire rope (34) two ends are respectively fixed on the cabin (35) both sides in the hoist (33). 3. The marine belt unloader according to claim 2, characterized in that: the brake of the hoist (33) adopts an electro-hydraulic block brake. 4. The marine belt unloader according to claim 1, characterized in that: the conveyor belt (2) is driven by a double-row toothed chain. 5. The marine belt unloader according to claim 3, characterized in that: the driving device (4) is an explosion-proof motor. 6. The marine belt unloader according to claim 1, characterized in that: the tail of the frame (1) is provided with a screw tensioning device (7) for the conveyor belt (2). 7. The marine belt unloader according to claim 1, characterized in that: the lifting device (5) includes a hydraulic pump (51), an oil cylinder (52) and a piston rod (53), and the hydraulic pump (51 ) is connected to the oil cylinder (52) for adjusting the oil pressure, the bottom of the oil cylinder (52) is hinged (54) on the walking platform (31), and the piston rod (53) is placed in the oil cylinder (52) in a clearance fit manner, The top of the piston rod (53) is hinged (54) on the frame (1). 8. The marine belt unloader according to claim 1, characterized in that: the fixing device (6) includes positioning pins and a middle pillar (61) with a triangular vertical section, on which the middle pillar (61) A positioning block (62) is provided, the positioning block (62) is provided with a positioning hole (63) corresponding to the positioning slot in the frame (1), and the positioning pin is inserted in the positioning hole (63) and the positioning slot Secure the frame (1). 9. The marine belt unloader according to claim 8, characterized in that there are 3 to 5 positioning blocks (62). 10. The marine belt unloader according to claim 1, characterized in that: the middle part of the frame (1) is provided with a cantilever (81) which is 90° to the longitudinal direction of the frame (1), and the cantilever (81) connect the frame (1) by the stay cables (82) on the front and rear sides.

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