Eight-claw garbage crane

Abstract

The utility model discloses an eight-claw garbage crane, which belongs to the technical field of cranes and comprises a chassis, two twisting cylinders are rotatably connected onto the chassis and are arranged in parallel, a power motor is fixedly arranged on the chassis between the two twisting cylinders, and the power motor is a double-output-shaft motor. And two output shafts of the power motor are fixedly arranged with the input shafts of the corresponding gearboxes. When the grab bucket is used, the power motor drives the two twisting drums to rotate, so that the two twisting drums wind or release the steel wire rope, the grab bucket is lifted and put down through the steel wire rope, the grab bucket is in an open state when put down, then the control equipment controls the grab bucket to be closed through the control wire to grab garbage, and after the garbage is grabbed, the grab bucket is opened. The winding steel wire rope is rotated by the twisting cylinder to lift the grab bucket to carry the garbage; when the grab bucket ascends and descends, the power line and the control line of the grab bucket are wound and released through the twisting cylinder at the same time, ascending and descending of the grab bucket are not affected, and the purpose that the power line and the control line ascend and descend along with the grab bucket is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane, especially an eight-claw garbage crane. BACKGROUND

[0002] The crane refers to the multi-action hoisting machinery of vertical lifting and horizontal carrying heavy objects in a certain range. It is also called the overhead crane and the cargo crane. The bridge crane is the hoisting equipment of material hoisting above the workshop, warehouse and material yard. Since its two ends are placed on the high cement column or metal support, its lower part forms a wide hoisting space. The bridge crane runs longitudinally along the track laid on the high rack on both sides, which can fully utilize the space below the bridge crane for hoisting materials and is not hindered by ground equipment.

[0003] The hoisting trolley of the crane is replaced by the eight-claw grab bucket, which becomes the hoisting equipment for hoisting bulk cargo. It is mainly used for loading of port cargo ships, and can also be used for hoisting of garbage.

[0004] The grab bucket needs a separate power supply and control circuit, so when in use, the power line and control line need to be connected to the grab bucket. When the grab bucket is lifted, the power line and control line of the grab bucket are generally provided with a large amount of redundancy to meet the maximum lifting of the grab bucket. In daily production, the power line and control line often come into contact with the cargo due to excessive redundancy, which may hook the cargo and cause the power line and control line to be pulled, and even cause the power line and control line to be broken. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an eight-claw garbage crane, which has the function of lifting the power line and control line with the grab bucket, effectively solving the problem that the power line and control line often come into contact with the cargo due to excessive redundancy, which may hook the cargo and cause the power line and control line to be pulled, and even cause the power line and control line to be broken.

[0006] The utility model adopts the following technical scheme: an eight-claw garbage crane, comprising a chassis, two winches are rotatably connected to the chassis, the two winches are arranged in parallel, a power motor is fixedly arranged on the chassis between the two winches, the power motor is a double-output-shaft motor, the two output shafts of the power motor are fixedly arranged with the input shafts of corresponding gearboxes, the output shaft of each gearbox is fixedly arranged with the corresponding winch, and the lower end surface of each gearbox is fixedly arranged with the chassis; two steel wires are wound on each winch, the free end of each steel wire is fixedly arranged with the grab bucket below, a junction box is fixedly arranged on the grab bucket, a power line and a control line are arranged on the junction box, the power line and the control line are connected with the power supply and the control equipment respectively after being wound on the corresponding winch; the power line and the control line have redundancy under the stress of the steel wire.

[0007] Further, the chassis comprises a bottom frame and two bases, the upper end surface of each base is fixedly arranged with a corresponding gearbox, the upper end surface of the base is symmetrically fixedly arranged with a side plate, one end of the winding drum is rotatably connected with the side plate, the other end of the winding drum is fixedly arranged with the output shaft of the gearbox; each base is fixedly arranged with the bottom frame through a support column; the power motor is fixedly arranged with the bottom frame through a mounting block.

[0008] Further, the front side and the rear side of the bottom frame are fixedly arranged with a cross beam, both ends of the cross beam are rotatably connected with a roller, two guide rails are arranged below the cross beam along the front-rear direction, a guide groove is formed in the upper end surface of each guide rail, each roller is located in the corresponding guide groove, and a stand is fixedly arranged on the lower end surface of each guide rail; both ends of each cross beam are fixedly arranged with a servo motor, and the output shaft of each servo motor is fixedly arranged with a corresponding roller.

[0009] Further, the grab bucket comprises a body and a clamping jaw hinged to the lower part of the outer surface of the body, a first hydraulic telescopic rod is hinged to each clamping jaw, the fixed end of each first hydraulic telescopic rod is hinged to the upper part of the outer surface of the body, two pull plates are fixedly arranged on the upper end surface of the body, two fixing holes are formed in each pull plate, and the free end of the steel wire rope is fixedly arranged with the pull plate through the fixing hole.

[0010] Further, the lower end surface of the bottom frame is fixedly arranged with a second hydraulic telescopic rod along the front-rear direction, the output shaft of the second hydraulic telescopic rod is fixedly arranged with a Z-shaped push rod, the rear side of the Z-shaped push rod is fixedly arranged with a guide rod and two fixed rods, the length of the guide rod is greater than that of the fixed rod, and two through holes are formed in the body; the fixed end of the second hydraulic telescopic rod is fixedly arranged with a positioning block, the lower end surface of the positioning block is fixedly arranged with an end plate, a slot is formed in the positioning block, and a positioning hole is formed in the end plate.

[0011] Further, two groups of side rod groups are fixedly arranged on the second hydraulic telescopic rod, each group of side rod groups is composed of a side rod fixedly arranged on the second hydraulic telescopic rod along the front-rear direction, the guide rod is slidably arranged between the two groups of side rod groups, and the fixed rods are sleeved with the corresponding side rods.

[0012] Further, the front side of the pull plate is fixedly arranged with a guide plate.

[0013] Further, a chamfer is formed in the positioning hole of the end plate.

[0014] Further, a chamfer is formed in the front end of the through hole.

[0015] Further, one end of each steel wire rope is fixedly arranged with a corresponding winding drum, and the other end of each steel wire rope is fixedly arranged with a grab bucket.

[0016] The utility model discloses a power motor, winch, grab bucket, power cord and control line are set, when the use of the device, power motor drives two winches to rotate, makes two winches reel or release wire rope, and then through wire rope and put down the grab bucket, when the grab bucket is put down, is the open state, then through the control equipment and control the grab bucket folding through control line and control the garbage, power cord provides the electric energy for the grab bucket, after the garbage is grabbed, the winch rotates and reeves wire rope and lifts the grab bucket, and the garbage is carried, when the grab bucket is lifted and falls, the power cord and control line of grab bucket are reeled and released through the winch simultaneously, do not influence the lifting of grab bucket, reach the purpose that power cord and control line follow the grab bucket.

[0017] Two, the utility model discloses a second hydraulic telescopic link, guide rod, fixed link, locating block and end plate are set, when the use of the device, first power motor starts and lifts the grab bucket, when the grab bucket is lifted and set height, second hydraulic telescopic link contracts and drives guide rod and fixed link to move back, guide rod first enters between two draw plates, and the cooperation of guide rod and two draw plates corrects the posture of grab bucket, when winch continues to lift the grab bucket, makes the lower end surface of guide rod and the upper end surface of the body and collides, winch stops and lifts the grab bucket, and the height and left and right posture of grab bucket body have been fixed, and second hydraulic telescopic link continues to contract and makes fixed link insert the perforation of the body, until the free end of guide rod enters the slot, and the free end of fixed link enters the locating hole, complete the operation of the grab bucket suspension in the air, reach the purpose that the grab bucket is folded and wire rope is not forced. ACCURATE DRAWINGS

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view structure schematic diagram of the utility model;

[0020] Figure 3 It is the winch three-dimensional structure schematic diagram in the utility model;

[0021] Figure 4 It is the grab bucket three-dimensional structure schematic diagram in the utility model;

[0022] Figure 5 It is the connection structure schematic diagram of grab bucket, wire rope, power cord and control line in the utility model;

[0023] Figure 6 It is the Figure 5 It is the structure enlarged diagram of A in the utility model;

[0024] Figure 7 It is the second hydraulic telescopic link three-dimensional structure schematic diagram in the utility model;

[0025] Figure 8The fixed rod three-dimensional structure schematic view in the utility model;

[0026] Figure 9 The pull plate three-dimensional structure schematic view in the utility model.

[0027] In the figure, 1, base plate; 2, winding drum; 3, power motor; 4, gearbox; 5, steel wire rope; 6, grab bucket; 7, junction box; 8, power line; 9, control line; 10, bottom frame; 11, base; 13, side plate; 14, support column; 15, mounting block; 16, cross beam; 17, roller; 18, guide rail; 19, guide groove; 20, stand column; 21, servo motor; 22, body; 23, clamping jaw; 24, first hydraulic telescopic rod; 25, pull plate; 26, fixing hole; 27, second hydraulic telescopic rod; 29, Z-shaped push rod; 30, guide rod; 31, fixed rod; 32, perforation; 33, positioning block; 34, end plate; 35, insertion slot; 36, positioning hole; 37, side rod; 38, guide plate. DETAILED DESCRIPTION

[0028] Please refer to Figures 1-9 , the utility model will be described in detail in combination with the drawings and examples:

[0029] The eight-claw garbage hoist, comprising a base plate 1, two winding drums 2 are rotatably connected on the base plate 1, the two winding drums 2 are arranged in parallel, a power motor 3 is fixedly arranged on the base plate 1 between the two winding drums 2, the power motor 3 is a double-output-shaft motor, the two output shafts of the power motor 3 are fixedly arranged with the input shafts of corresponding gearboxes 4, the output shafts of each gearbox 4 are fixedly arranged with corresponding winding drums 2, and the lower end faces of each gearbox 4 are fixedly arranged with the base plate 1; two steel wire ropes 5 are wound on each winding drum 2, and the free ends of each steel wire rope 5 are fixedly arranged with a grab bucket 6 below; a junction box 7 is fixedly arranged on the grab bucket 6, a power line 8 and a control line 9 are arranged on the junction box 7, and the power line 8 and the control line 9 are connected with a power supply and control equipment respectively after being wound on corresponding winding drums 2; in use, the power motor 3 drives the two winding drums 2 to rotate through the two gearboxes 4, so that the two winding drums 2 wind or release the steel wire ropes 5, and then the grab bucket 6 is hoisted and lowered through the steel wire ropes 5; when the grab bucket 6 is lowered, it is in an open state, then the grab bucket 6 is controlled to close through the control device through the control line 9 to grab garbage, the power line 8 provides power for the grab bucket 6, after grabbing garbage, the winding drum 2 winds the steel wire rope 5 to lift the grab bucket 6, and the grab bucket 6 is transported; when the grab bucket 6 is lifted and lowered, the power line 8 and the control line 9 of the grab bucket 6 are wound and released through the winding drum 2 at the same time, so that the lifting and lowering of the grab bucket 6 are not affected; in order to prevent the power line 8 and the control line 9 from being stressed under the condition that the steel wire rope 5 is stressed, the lengths of the power line 8 and the control line 9 are set to have redundancy.

[0030] In the embodiment, one end of each steel wire rope 5 is fixedly arranged with the corresponding winch 2, and the other end of each steel wire rope 5 is fixedly arranged with the corresponding grab bucket 6. The winch 2 rotates to wind and release the steel wire rope 5, thereby lifting and lowering the grab bucket 6.

[0031] In the embodiment, the chassis 1 comprises a bottom frame 10 and two bases 11. The upper end surface of each base 11 is fixedly arranged with the corresponding gearbox 4. The upper end surface of the base 11 is fixedly arranged with a side plate 13 symmetrically with the gearbox 4. One end of the winch 2 is rotatably connected with the side plate 13, and the other end of the winch 2 is fixedly arranged with the output shaft of the gearbox 4. Each base 11 is fixedly arranged with the bottom frame 10 through a support column 14. The power motor 3 is fixedly arranged with the bottom frame 10 through a mounting block 15.

[0032] In the embodiment, the front side and the rear side of the bottom frame 10 are fixedly arranged with a cross beam 16. Both ends of the cross beam 16 are rotatably connected with a roller 17. Two guide rails 18 are arranged below the cross beam 16 along the front-rear direction. The upper end surface of each guide rail 18 is provided with a guide groove 19. Each roller 17 is located in the corresponding guide groove 19. The lower end surface of each guide rail 18 is fixedly arranged with a vertical column 20. Both ends of each cross beam 16 are fixedly arranged with a servo motor 21. The output shaft of each servo motor 21 is fixedly arranged with the corresponding roller 17. In use, the vertical column 20 is arranged according to the use site of the scene. The length of the guide rail 18 is designed according to the site. When the power motor 3 lifts the grab bucket 6 through the winch 2, the servo motor 21 drives the roller 17 to roll in the guide groove 19 to drive the cross beam 16 to move forward and backward along the guide rail 18, thereby driving the chassis 1 to move forward and backward, and driving the grab bucket 6 to move forward and backward, achieving the purpose of moving the grab bucket 6 forward and backward, moving the grab bucket 6 forward and backward after grabbing the garbage, and transporting the garbage.

[0033] In the embodiment, the grab bucket 6 comprises a body 22 and a clamping jaw 23 hinged to the lower part of the outer surface of the body 22. Each clamping jaw 23 is hinged with a first hydraulic telescopic rod 24. The fixed end of each first hydraulic telescopic rod 24 is hinged with the upper part of the outer surface of the body 22. The upper end surface of the body 22 is fixedly arranged with two pull plates 25. Two fixing holes 26 are arranged on each pull plate 25. The free end of the steel wire rope 5 is fixedly arranged with the pull plate 25 through the fixing hole 26. In use, the control equipment controls each first hydraulic telescopic rod 24 to contract and extend at the same time through the control line 9, thereby driving each clamping jaw 23 to achieve the purpose of opening and closing.

[0034] In this embodiment, the lower end surface of the base frame 10 is fixedly provided with a second hydraulic telescopic rod 27 in the front-rear direction, the output shaft of the second hydraulic telescopic rod 27 is fixedly provided with a Z-shaped push rod 29, the rear surface of the Z-shaped push rod 29 is fixedly provided with a guide rod 30 and two fixed rods 31, the length of the guide rod 30 is greater than that of the fixed rod 31, two through holes 32 are formed in the body 22; the fixed end of the second hydraulic telescopic rod 27 is fixedly provided with a positioning block 33, the lower end surface of the positioning block 33 is fixedly provided with an end plate 34, a slot 35 is formed in the positioning block 33, and a positioning hole 36 is formed in the end plate 34; when not in use, the grab bucket 6 can be released by the winding drum 2 and placed on the ground, but placing it on the ground will occupy the space below, which is not convenient for personnel to pass through and produce; the grab bucket 6 can also be lifted and suspended in the air to save space; the operation mode of lifting and suspending the grab bucket 6 in the air is as follows: first, the power motor 3 starts to lift the grab bucket 6, when the grab bucket 6 is lifted to a set height, the second hydraulic telescopic rod 27 is retracted to drive the guide rod 30 and the fixed rod 31 to move backward through the Z-shaped push rod 29, since the length of the guide rod 30 is greater than that of the fixed rod 31, the free end of the guide rod 30 reaches the position of the body 22 of the grab bucket 6 earlier than the free end of the fixed rod 31, the guide rod 30 first enters between the two pull plates 25, and the cooperation of the guide rod 30 and the two pull plates 25 corrects the posture of the grab bucket 6, at this time the winding drum 2 continues to lift the grab bucket 6, so that the lower end surface of the guide rod 30 abuts against the upper end surface of the body 22, the winding drum 2 stops lifting the grab bucket 6, at this time the height and left-right posture of the body 22 of the grab bucket 6 have been fixed, the second hydraulic telescopic rod 27 continues to retract so that the fixed rod 31 is inserted into the through hole 32 of the body 22, until the free end of the guide rod 30 enters the slot 35 and the free end of the fixed rod 31 enters the positioning hole 36, the operation of suspending the grab bucket 6 in the air is completed, at this time the power supply of the crane can be disconnected, and the crane enters the idle state, the grab bucket 6 is fixedly suspended in the air by the fixed rod 31, and the steel wire rope 5 does not bear the weight.

[0035] When normal use is needed, the second hydraulic telescopic rod 27 is extended to drive the guide rod 30 and the fixed rod 31 to move forward, so that the free end of the guide rod 30 is separated from the slot 35 and the free end of the fixed rod 31 is separated from the positioning hole 36, until the guide rod 30 is separated from the through hole 32 of the body 22, then the grab bucket 6 is released downward by rotating the winding drum 2, then the second hydraulic telescopic rod 27 is retracted, so that the guide rod 30 and the fixed rod 31 are reinserted into the slot 35 and the positioning hole 36 respectively, the reset is completed, and the grab bucket 6 at this time can be used normally. When the second hydraulic telescopic rod 27 is extended, the base plate 1 needs to be moved to a suitable position in advance by the servo motor 21 to prevent interference when the second hydraulic telescopic rod 27 is extended.

[0036] In the embodiment, two groups of side rod groups are fixedly arranged on the second hydraulic telescopic rod 27, each group of side rod groups is composed of side rods 37 fixedly arranged on the second hydraulic telescopic rod 27 in the front-rear direction, the guide rod 30 is slidingly arranged between the two groups of side rod groups, and the fixed rods 31 are sleeved with the corresponding side rods 37; when the guide rod 30 and the fixed rods 31 move forward and backward, the guide rod 30 slides between the side rods 37, and the fixed rods 31 slide in the corresponding side rods 37, thereby improving the stability of the movement of the guide rod 30 and the fixed rods 31.

[0037] In the embodiment, the front side of the pull plate 25 is fixedly provided with a guide plate 38, and the two guide plates 38 are arranged to facilitate the free end of the guide rod 30 to enter between the two pull plates 25, thereby positioning the body 22.

[0038] In the embodiment, the positioning hole 36 of the end plate 34 is provided with a chamfer, and the chamfer is arranged to facilitate the free end of the fixed rod 31 to be inserted into the positioning hole 36.

[0039] In the embodiment, the front end of the perforation 32 is provided with a chamfer, and the chamfer at the front end of the perforation 32 facilitates the fixed rod 31 to be inserted into the insertion hole.

[0040] The working principle of the utility model is as follows: when in use, the power motor 3 drives the two winches 2 to rotate through the two gearboxes 4, so that the two winches 2 wind or release the steel wire ropes 5, and then the steel wire ropes 5 are used to lift and lower the grab bucket 6; when the grab bucket 6 is lowered, it is in an open state, then the control equipment controls the grab bucket 6 to close through the control line 9 to grab the garbage, the power line 8 provides power for the grab bucket 6, after the garbage is grabbed, the winch 2 rotates to wind the steel wire rope 5 to lift the grab bucket 6, then the servo motor 21 rotates to drive the chassis 1 to move forward and backward, so that the chassis 1 transports the garbage through the grab bucket 6; when the grab bucket 6 is lifted and lowered, the power line 8 and the control line 9 of the grab bucket 6 are wound and released through the winch 2 at the same time, which does not affect the lifting and lowering of the grab bucket 6; in order to make the power line 8 and the control line 9 not be stressed, the length of the power line 8 and the control line 9 is set to have redundancy under the condition that the steel wire rope 5 is stressed, so as to avoid the stress of the power line 8 and the control line 9.

Claims

1. An eight-pod waste hoist comprising a chassis (1), characterised in that: Two winches (2) are rotatably connected to the chassis (1), the two winches (2) are parallel, a power motor (3) is fixedly arranged on the chassis (1) between the two winches (2), the power motor (3) is a double-output shaft motor, two output shafts of the power motor (3) are fixedly arranged with input shafts of corresponding gearboxes (4), output shafts of each gearbox (4) are fixedly arranged with corresponding winches (2), and lower end faces of each gearbox (4) are fixedly arranged with the chassis (1); two steel wires (5) are wound on each winch (2), free ends of each steel wire (5) are fixedly arranged with a grab bucket (6) below, a junction box (7) is fixedly arranged on the grab bucket (6), a power line (8) and a control line (9) are arranged on the junction box (7), and the power line (8) and the control line (9) are connected with a power supply and control equipment after being wound on the corresponding winch (2); the power line (8) and the control line (9) are provided with a redundancy in a force bearing condition of the steel wire (5).

2. The octopus trash hoist of claim 1, wherein: The chassis (1) comprises a bottom frame (10) and two bases (11), the upper end face of each base (11) is fixedly arranged with the corresponding gearbox (4), the upper end face of the base (11) is fixedly arranged with a side plate (13) in a symmetrical mode with the gearbox (4), one end of the winch (2) is rotatably connected to the side plate (13), and the other end of the winch (2) is fixedly arranged with the output shaft of the gearbox (4); each base (11) is fixedly arranged with the bottom frame (10) through a support column (14); and the power motor (3) is fixedly arranged with the bottom frame (10) through a mounting block (15).

3. The octopus trash hoist of claim 2, wherein: The front side and the rear side of the bottom frame (10) are fixedly arranged with cross beams (16), the two ends of the cross beam (16) are rotatably connected with rollers (17), two guide rails (18) are arranged below the cross beam (16) in the front-rear direction, the upper end face of each guide rail (18) is provided with a guide groove (19), each roller (17) is located in the corresponding guide groove (19), and the lower end face of each guide rail (18) is fixedly arranged with a stand column (20); the two ends of each cross beam (16) are fixedly arranged with a servo motor (21), and the output shaft of each servo motor (21) is fixedly arranged with the corresponding roller (17).

4. The octopus trash hoist of claim 2, wherein: The grab bucket (6) comprises a body (22) and a clamping jaw (23) hinged to the lower part of the outer surface of the body (22), each clamping jaw (23) is hinged with a first hydraulic telescopic rod (24), the fixed end of each first hydraulic telescopic rod (24) is hinged with the upper part of the outer surface of the body (22), the upper end face of the body (22) is fixedly arranged with two pull plates (25), two fixing holes (26) are arranged on each pull plate (25), and the free end of the steel wire (5) is fixedly arranged with the pull plate (25) through the fixing hole (26).

5. The octopus trash hoist of claim 4, wherein: The lower end surface of the bottom frame (10) is fixedly provided with a second hydraulic telescopic rod (27) in the front-rear direction, the output shaft of the second hydraulic telescopic rod (27) is fixedly provided with a Z-shaped push rod (29), the rear surface of the Z-shaped push rod (29) is fixedly provided with a guide rod (30) and two fixed rods (31), the length of the guide rod (30) is greater than that of the fixed rod (31), and two through holes (32) are formed in the body (22); the fixed end of the second hydraulic telescopic rod (27) is fixedly provided with a positioning block (33), the lower end surface of the positioning block (33) is fixedly provided with an end plate (34), the positioning block (33) is provided with a slot (35), and the end plate (34) is provided with a positioning hole (36).

6. The octopus trash hoist of claim 5, wherein: The second hydraulic telescopic rod (27) is fixedly provided with two groups of side rod groups, each group of side rod groups is composed of a side rod (37) fixedly arranged on the second hydraulic telescopic rod (27) in the front-rear direction, the guide rod (30) is slidingly arranged between the two groups of side rod groups, and the fixed rod (31) is sleeved with the corresponding side rod (37).

7. The octopus trash hoist of claim 5, wherein: The front surface of the pull plate (25) is fixedly provided with a guide plate (38).

8. The octopus trash hoist of claim 5, wherein: The positioning hole (36) of the end plate (34) is provided with a chamfer.

9. The octopus trash hoist of claim 5, wherein: The front end of the through hole (32) is provided with a chamfer.

10. The octopus trash hoist of claim 1, wherein: One end of each steel wire rope (5) is fixedly arranged with a corresponding winch (2), and the other end of each steel wire rope (5) is fixedly arranged with a grab bucket (6).

Images