Intelligent grab bucket crane special for grabbing coke

Abstract

The utility model relates to the field of grab bucket cranes, in particular to an intelligent grab bucket crane special for coke grabbing, which comprises a shell, through grooves are formed in the periphery of the bottom of an inner cavity of the shell, driving blocks are connected to the inner sides of the through grooves in a sliding mode, and pull ropes are fixedly connected to the inner sides of the driving blocks. And the center of an inner cavity of the shell is rotationally connected with a rotating roller through a bearing, the surface of the rotating roller is fixedly connected with the other end of the pull rope, and extension rods are connected to the bottoms of the driving blocks in a bolted mode. By means of the telescopic pipe, the blowing disc, the air supply pipe, the power supply device, the draught fan and the like, the telescopic pipe serves as a switch, after the power supply device supplies power to the draught fan, the draught fan conveys compressed air into an inner cavity of the blowing disc through the air supply pipe, and attached carbon dust on the inner wall of the grab bucket is cleaned through the horizontal blowing grooves and the inclined blowing grooves in the upper side and the lower side. The situation that wet and caked coke materials are attached to the inner wall of the grab bucket, and the single grabbing amount of the grab bucket is affected is avoided.

Description

Technical Field

[0001] This utility model relates to the field of grab cranes, specifically to an intelligent grab crane for grabbing coke. Background Technology

[0002] A grab crane is a lifting machine equipped with a grab bucket, widely used in ports, docks, railway freight yards, mines, and other locations for loading various bulk cargoes, logs, minerals, coke, sand and gravel, earthwork, etc. A grab crane is an automated material handling machine; its grabbing and unloading operations are controlled by the crane operator, requiring no auxiliary personnel. This avoids heavy manual labor, saves auxiliary work time, and greatly improves loading and unloading efficiency. Grab cranes are broadly classified into bridge grab cranes, gantry grab cranes, and knuckle boom grab cranes. The term "grab crane" commonly refers to a knuckle boom grab crane.

[0003] A search revealed a crane with publication number CN202211102657.X used in coke operations. Specifically, it discloses a crane; a load-bearing element or device for cranes, winches, augers, or pulleys. Through a lubrication assembly, the transmission unit operates, allowing the connecting part to move downwards. This downward movement of the connecting part drives the liquid storage mechanism, causing a certain amount of lubricating oil to be squeezed into the liquid outlet mechanism. This controls the operation of the transmission assembly, causing the steel cable on the winding assembly to contract or unwind, thus making the steel cable coated with lubricating oil. This eliminates the need for continuous lubrication by personnel, reducing labor intensity.

[0004] However, the above-mentioned devices still have certain defects. For example, coke processing enterprises usually use grab bucket cranes to transfer coke. As is known, the lower end of the grab bucket on the existing grab bucket crane is relatively narrow (or pointed). This is so that multiple grab buckets can close together to transfer coke. However, due to this setting, the amount of coke grabbed by the grab bucket at one time is relatively small. The main reason is that when the grab bucket grabs coke, it must first close together. When it closes, the lower end of the grab bucket is relatively narrow. In addition, coke is mostly in powder form, so it is impossible to drive the coke into the middle of multiple grab buckets, or to gather a large amount of coke, resulting in a small amount of coke being grabbed at one time.

[0005] Therefore, it is necessary to invent an intelligent grab crane specifically designed for grabbing coke to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide an intelligent coke grab crane that can effectively solve the above-mentioned technical problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an intelligent coke grabbing crane, comprising a shell, through slots being provided around the bottom of the inner cavity of the shell, drive blocks being slidably connected to the inner sides of the through slots, and pull ropes being fixedly connected to the inner sides of the drive blocks, a rotating roller being rotatably connected to the center of the inner cavity of the shell via a bearing, the surface of the rotating roller being fixedly connected to the other end of the pull rope, an extension rod being bolted to the bottom of each drive block, a grab bucket being rotatably connected to the bottom of the extension rod via a bearing, a connecting plate being bolted to the center of the bottom of the shell, a telescopic tube being bolted to the center of the bottom of the connecting plate, an air blowing plate being bolted to the bottom of the telescopic tube, an air supply pipe being connected around the top of the air blowing plate, a power supply unit being bolted to the bottom of the connecting plate, and a fan being bolted around the perimeter of the power supply unit, with the outer side of the fan connected to the other end of the air supply pipe.

[0008] Preferably, a servo motor is bolted to the center of the top of the housing, and the output end of the servo motor is bolted to the top of the rotating roller.

[0009] Preferably, springs are bolted to the inner side of each through groove, and the other end of the spring is bolted to the inner side of the drive block.

[0010] Preferably, both sides of the extension rod are rotatably connected to hydraulic cylinders via bearings, and the other end of the hydraulic cylinder is hinged to the outer side of the grab bucket.

[0011] Preferably, the top of the inner cavity of the outer shell is provided with limiting grooves around all four sides, and the inner side of the limiting grooves is slidably connected to the top of the drive block.

[0012] Preferably, connecting frames are bolted to both sides of the top of the outer casing, and pulley seats are bolted to the inner side of the connecting frames, with lifting ropes provided on the inner side of the pulley seats.

[0013] Preferably, horizontal air-blowing grooves are provided around the air-blowing disc.

[0014] Preferably, the lower part of the air blowing plate is provided with inclined air blowing grooves around its perimeter.

[0015] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0016] 1. The system consists of a shell, a through-slot, a drive block, a pull rope, a rotating roller, an extension rod, and other components. A servo motor drives the rotating roller to rotate, which in turn causes the rotating rod to pull the drive blocks around the perimeter to move in opposite directions via the pull rope. This causes the grabs around the perimeter to gradually close inward after they have finished grabbing the material. The reverse rotation of the servo motor, combined with the spring force, pushes the grabs outward, allowing the coke material inside to fall out of the grabs. By controlling the distance between the grabs, the coke can be gathered over a larger area, increasing the amount of material grabbed in a single grab.

[0017] 2. The system consists of components such as a telescopic pipe, an air blowing plate, an air supply pipe, a power supply unit, and a blower. The telescopic pipe acts as a switch, allowing the power supply unit to power the blower. The blower then delivers compressed air through the air supply pipe to the inner cavity of the air blowing plate. The horizontal and oblique air blowing channels on the upper and lower sides clean the carbon ash adhering to the inner wall of the grab bucket, preventing damp and clumped coke material from adhering to the inner wall of the grab bucket and affecting the single grab capacity. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a front view of the overall structure of this utility model;

[0020] Figure 2 This is a front sectional view of the overall structure of this utility model;

[0021] Figure 3 For the present utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0022] Figure 4 For the present utility model Figure 2 Enlarged view of the structure at point B in the middle;

[0023] Figure 5 For the present utility model Figure 2 Enlarged view of the structure at point C.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Outer shell; 2. Through slot; 3. Drive block; 4. Pull rope; 5. Rotating roller; 6. Extension rod; 7. Grab bucket; 8. Connecting plate; 9. Telescopic tube; 10. Air blowing plate; 11. Air supply pipe; 12. Power supply unit; 13. Fan; 14. Servo motor; 15. Spring; 16. Hydraulic cylinder; 17. Limiting slot; 18. Connecting frame; 19. Pulley seat; 20. Lifting pull rope; 21. Horizontal air blowing slot; 22. Angled air blowing slot. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] This utility model provides, for example Figure 1-5The intelligent coke grabbing crane shown includes a shell 1. A through groove 2 is formed around the bottom of the inner cavity of the shell 1. A drive block 3 is slidably connected to the inner side of each through groove 2. A pull rope 4 is fixedly connected to the inner side of each drive block 3. A rotating roller 5 is rotatably connected to the center of the inner cavity of the shell 1 via a bearing. The surface of the rotating roller 5 is fixedly connected to the other end of the pull rope 4. An extension rod 6 is bolted to the bottom of each drive block 3. A grab bucket 7 is rotatably connected to the bottom of the extension rod 6 via a bearing. A connecting plate 8 is bolted to the center of the bottom of the shell 1. A telescopic pipe 9 is bolted to the center of the bottom of the connecting plate 8. An air blowing plate 10 is bolted to the bottom of the telescopic pipe 9. An air supply pipe 11 is connected to the top of the air blowing plate 10 around its perimeter. A power supply unit 12 is bolted to the bottom of the connecting plate 8. A fan 13 is bolted to the perimeter of the power supply unit 12, and the outer side of the fan 13 is connected to the other end of the air supply pipe 11.

[0028] The servo motor 14 drives the rotating roller 5 to rotate within the cavity of the outer casing 1. The rotation of the rotating roller 5 pulls the pull rope 4 to control the horizontal movement of the surrounding drive blocks 3, and the extension rod 6 controls the position between the grabs 7.

[0029] When the drive block 3 moves inward, the spring 15 is compressed by its own elastic force. When the servo motor 14 reverses, the rotating roller 5 loses its active rotation drive on the pull rope 4. At this time, the spring 15 loses its external force compression limit, and the drive block 3 expands outward.

[0030] By pulling or pushing the hydraulic cylinder 16, the grab bucket 7 can rotate in an arc around the bottom of the extension rod 6. When the grab buckets 7 move synchronously around the perimeter, they can grab the coke raw material and move it.

[0031] The drive block 3 can move horizontally according to the path of the limiting groove 17, and the limiting groove 17 can effectively control the movement path of the drive block 3.

[0032] The pulley seat 19 can be connected via the connecting frame 18, and the crane can lift the entire grab bucket 7 assembly via the lifting rope 20 through the connecting frame 18.

[0033] The compressed air in the inner cavity of the air blowing plate 10 can be blown to the inside of the extension rod 6 through the horizontal blowing groove to clean the inner wall of the extension rod 6.

[0034] The compressed air in the air blowing plate 10 can be blown towards the inner wall of the grab bucket 7 through the inclined air blowing groove 22, and the inner side of the grab bucket 7 can be cleaned.

[0035] Refer to the instruction manual appendix Figure 1-5Working principle: During the use of the device, the connecting frame 18 and the lower outer shell 1 are first placed in the area to be grabbed for coke raw materials via the lifting rope 20 and pulley seat 19. At this time, the gap between the grab buckets 7 is relatively large, allowing the coke raw materials to enter the grab buckets 7. First, the hydraulic cylinder 16 is activated, causing the hydraulic cylinder 16 to push the lower grab buckets 7, causing the inner side of the grab buckets 7 to rotate upwards with the connection part of the extension rod 6 as the axis, gathering a portion of the coke raw materials into the grab buckets 7. Then, the servo motor 14 is activated, causing the servo motor 14 to drive the rotating roller 5 to rotate. Through the rope 4, the surrounding drive blocks 3 move inwards to the rotating roller 5, thereby causing the surrounding grab buckets 7 to gradually retract inwards, gathering the coke raw materials into the grab buckets 7 and simultaneously limiting the material. During the process, as the bottom of the grab bucket 7 rises, the top of the coke material also gradually rises inside the grab bucket 7 and the extension rod 6. It is pushed by the air blowing plate 10 to retract the upper telescopic tube 9. After the telescopic tube 9 retracts, it triggers the shut-off switch, and the blower 13 stops running. When the material moves to the appropriate position, the servo motor 14 reverses and discharges the material. At this time, due to the loss of the material's squeezing and pushing force, the telescopic tube 9 naturally descends downwards. At the same time, after the air blowing plate 10 is moved to the appropriate height, it triggers the start switch. The power supply 12 supplies power to the blower 13 and delivers compressed air to the air blowing plate 10 through the air supply pipe 11 to clean the inside of the grab bucket 7. This effectively prevents damp and clumped coke material from adhering to the inner wall of the grab bucket 7, which would affect the single grab capacity of the grab bucket 7.

[0036] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A smart grab crane specifically designed for grabbing coke, comprising a housing (1), characterized in that: The bottom of the inner cavity of the outer shell (1) is provided with through grooves (2) around the perimeter. A drive block (3) is slidably connected to the inner side of each through groove (2). A pull rope (4) is fixedly connected to the inner side of each drive block (3). A rotating roller (5) is rotatably connected to the center of the inner cavity of the outer shell (1) via a bearing. The surface of the rotating roller (5) is fixedly connected to the other end of the pull rope (4). An extension rod (6) is bolted to the bottom of each drive block (3). A grab bucket is rotatably connected to the bottom of the extension rod (6) via a bearing. 7) A connecting plate (8) is bolted to the center of the bottom of the outer shell (1). A telescopic tube (9) is bolted to the center of the bottom of the connecting plate (8). An air blowing plate (10) is bolted to the bottom of the telescopic tube (9). An air supply pipe (11) is connected to the top of the air blowing plate (10) around its perimeter. A power supply device (12) is bolted to the bottom of the connecting plate (8). A fan (13) is bolted to the perimeter of the power supply device (12). The outer side of the fan (13) is connected to the other end of the air supply pipe (11).

2. The intelligent coke grabbing crane according to claim 1, characterized in that: A servo motor (14) is bolted to the center of the top of the outer shell (1), and the output end of the servo motor (14) is bolted to the top of the rotating roller (5).

3. The intelligent coke grabbing crane according to claim 1, characterized in that: Springs (15) are bolted to the inner side of each through groove (2), and the other end of the spring (15) is bolted to the inner side of the drive block (3).

4. The intelligent coke grabbing crane according to claim 1, characterized in that: Both sides of the extension rod (6) are rotatably connected to hydraulic cylinders (16) via bearings, and the other end of the hydraulic cylinders (16) is hinged to the outside of the grab bucket (7).

5. The intelligent coke grabbing crane according to claim 1, characterized in that: Limiting grooves (17) are provided around the top of the inner cavity of the outer shell (1), and the inner side of the limiting grooves (17) is slidably connected to the top of the drive block (3).

6. The intelligent coke grabbing crane according to claim 1, characterized in that: Both sides of the top of the outer shell (1) are bolted with connecting frames (18), and pulley seats (19) are bolted to the inner side of the connecting frames (18). Lifting ropes (20) are provided on the inner side of the pulley seats (19).

7. The intelligent coke grabbing crane according to claim 1, characterized in that: The air blowing plate (10) is provided with horizontal air blowing grooves (21) around its perimeter.

8. The intelligent coke grabbing crane according to claim 1, characterized in that: The lower part of the air blowing plate (10) is provided with inclined air blowing grooves (22) around its perimeter.

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