CN116281556B - Hoisting device for crane and hoisting method thereof - Google Patents
Hoisting device for crane and hoisting method thereof Download PDFInfo
- Publication number
- CN116281556B CN116281556B CN202310128683.8A CN202310128683A CN116281556B CN 116281556 B CN116281556 B CN 116281556B CN 202310128683 A CN202310128683 A CN 202310128683A CN 116281556 B CN116281556 B CN 116281556B
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- box
- mounting
- rod
- hoisting
- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hoisting device for a crane and a hoisting method thereof, which belong to the technical field of cranes and comprise a hoisting machine, wherein a mounting plate is fixedly arranged at the top end of the hoisting machine, a first material roller and a second material roller are fixedly arranged at the front end of the mounting plate, a plurality of connecting boxes are wound on the outer side of the first material roller and are connected end to end through connecting ropes, a hoisting rope is wound on the outer side of the second material roller, a lifting hook is fixedly arranged at the end part of the hoisting rope, one of the connecting boxes connected end to end is connected with a lifting hook stationary phase, connecting mechanisms are arranged at the middle parts of the connecting boxes, the connecting mechanisms are used for driving the connecting boxes in a vertical state to be fixedly connected into a whole when cargoes are hoisted to a transport height, and clamping mechanisms are arranged at the middle parts of the connecting boxes, so that the problem that the conventional hoisting device for the crane can not transport the cargoes and the crane into a whole when the cargoes are fixed.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a hoisting device for a crane and a hoisting method thereof.
Background
A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. Also known as crown block, aerial crane and crane. The lifting equipment has the working characteristics that the lifting equipment performs intermittent motion, namely corresponding mechanisms of taking, moving, unloading and other actions in one working cycle alternately work, and the crane is increasingly widely developed and used in the market;
in the prior art, when a crane lifts up and carries out migration of goods, the crane is connected with the goods through ropes, the goods can shake under the action of inertia and external wind, the shaking degree of the goods is often required to be observed in the moving process to adjust the migration speed, the lifting efficiency of the crane is reduced, meanwhile, the risk that the goods shake amplitude is too large and fall off occurs exists, and the lifting device for the existing crane cannot fix the goods and the crane into a whole when the goods are migrated.
Based on the above, the invention designs a hoisting device for a crane and a hoisting method thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a hoisting device for a crane and a hoisting method thereof, which are used for fixing cargoes and the crane into a whole during the transportation of cargoes, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hoist device that hoist was used, includes the hoist machine, the top fixed mounting of hoist machine has the mounting panel, the front end fixed mounting of mounting panel has first material roller, second material roller, the outside winding of first material roller has a plurality of junction boxes, a plurality of all connect between the junction box end to end through the connecting rope, the outside winding of second material roller has the hoist rope, the tip fixed mounting of hoist rope has the lifting hook, a plurality of the junction box of end to end is in one of tip and is connected with the lifting hook stationary phase, the middle part of junction box all is provided with coupling mechanism, coupling mechanism is used for when the goods is lifted to the migration height, the drive is in the junction box fixed connection of vertical state and is as a whole, the middle part of junction box is provided with fixture, fixture is used for when the junction box removes in the outside of first material roller fixed mounting in the outside of hoist rope;
as a further scheme of the invention, the connecting mechanism comprises a mounting box fixedly mounted at the front end of the mounting plate, the connecting boxes penetrate through the inner side of the mounting box when removed from the outer side of the first material roller, the middle parts of the connecting boxes are respectively and rotatably connected with a rotating rod, the outer sides of the rotating rods are respectively and fixedly provided with a pull rod, the end parts of the rotating rods are fixedly provided with driving gears, the middle parts of the connecting boxes are respectively and slidably connected with a driving rack through compression springs, the driving gears are meshed with the driving racks, one ends of the connecting boxes, far from the lifting hooks, are respectively and slidably connected with locking blocks through tension springs, one ends of the locking blocks, close to the lifting hooks, are respectively and fixedly provided with a pull rope, the other ends of the pull ropes penetrate through the pull rods and the connecting boxes and are fixedly connected with adjacent locking blocks, close to one side of the lifting hooks, the inner sides of the mounting boxes are provided with driving mechanisms, when cargos are lifted to a migration height, one ends, far from the lifting hooks, of the connecting boxes, which are positioned at the inner sides of the mounting boxes are driven to move, and one ends, far from the lifting hooks, are provided with alignment mechanisms, and when the locking blocks are used for pulling the locking blocks to move, the locking blocks, and the ends, which can be fixedly connected with the adjacent racks;
as a further scheme of the invention, the aligning mechanism comprises three aligning grooves which are formed in one end of the connecting box, which is close to the lifting hook, the inner sides of the aligning grooves are cylindrical, the opening parts of the aligning grooves are funnel-shaped, three aligning rods are fixedly arranged in one end of the locking blocks, which is far away from the lifting hook, and the shapes of the aligning rods are matched with the aligning grooves;
as a further scheme of the invention, the driving mechanism comprises a driving groove formed in the middle of the mounting box, the side wall of the driving groove is slidably connected with two wedge blocks through a compression spring, a push plate is fixedly arranged on one side, close to the connecting box, of each wedge block, the push plate corresponds to the end part of the driving rack, a wedge rod is slidably connected to the inner side of the driving groove, the inclined surface of the wedge rod is attached to the inclined surface of the wedge block at the bottom end, a limit rod is fixedly arranged on the side wall of the wedge rod, a lifting plate is slidably connected to the outer side of the bottom end of the limit rod through a tension spring, an electric push rod is fixedly arranged on the inner side of the bottom end of the driving groove, and the output end of the electric push rod is fixedly connected with the lifting plate;
as a further scheme of the invention, the clamping mechanism comprises a mounting groove formed in the middle of a connecting box, two mounting rods are slidably connected to the inner side of the mounting groove through a compression spring, clamping plates are fixedly arranged at one ends of the mounting rods far away from the connecting box, clamping racks are fixedly arranged at the other ends of the mounting rods, rotating shafts are rotatably connected to the inner sides of the mounting grooves, clamping gears are fixedly arranged at the outer sides of the rotating shafts, the two clamping racks are respectively positioned at two sides of the clamping gears and meshed with the clamping gears, an L-shaped rod is arranged at the inner side of the mounting groove, a rectangular block is fixedly arranged at the long end of the L-shaped rod, a rectangular groove is formed in the end part of the rotating shaft, a conical block is fixedly arranged at the short end of the L-shaped rod, the conical block is connected with the connecting box through a compression spring, a triggering mechanism is arranged at the inner side of the mounting box and used for driving the two clamping plates to clamp and fix a hoisting rope when the connecting box downwards passes through the mounting box, and loosening the hoisting rope when upwards passes through the mounting box;
as a further scheme of the invention, the triggering mechanism comprises two guide blocks fixedly arranged at the inner side of the bottom end of the mounting box, the inclined surfaces of the guide blocks correspond to the clamping plates, the inner wall of the mounting box is fixedly provided with an extrusion rod, and the extrusion rod corresponds to the conical block;
as a further scheme of the invention, four guide plates are fixedly arranged at the top end of the mounting box, and the inclined surfaces of the guide plates face to the top end opening of the mounting box.
A hoisting method for a crane comprises the following steps:
step one: the first material roller and the second material roller synchronously rotate, and at the moment, the lifting hook pulls the lifting rope and the connecting box to move downwards;
step two: when the connecting box passes through the inner side of the mounting box, the connecting box is fixedly mounted on the outer side of the hoisting rope through the clamping mechanism;
step three: when the lifting hook lifts the goods to a proper height, the connecting mechanism starts to drive the plurality of connecting boxes in the vertical state to be fixedly connected into a whole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the clamping mechanism is arranged, the lifting machine starts to drive the first material roller and the second material roller to synchronously rotate, the connecting box slowly moves from the outer side of the first material roller and sequentially passes through the mounting box, and when the connecting box passes through the inner side of the mounting box, the clamping mechanism fixedly installs the connecting box on the outer side of the lifting rope, so that the movement of the lifting rope and the movement of the mounting box are kept synchronous, and preparation is made for subsequent fixing operation.
2. According to the invention, the connecting mechanism is arranged, when the goods are lifted to a proper height, one connecting box at the inner side of the mounting box and all connecting boxes below the connecting box are started to be fixed into a whole by the connecting mechanism, so that the goods and the hoisting machine form a whole, when the hoisting machine drives the goods to move, the goods can not shake any more, the goods are prevented from falling off due to overlarge shaking amplitude in the moving process, the goods are prevented from colliding with the telescopic arm of the hoisting machine, the service life of the hoisting machine is prolonged, and the problem that the goods and the crane are fixed into a whole when the goods cannot be transported by the existing hoisting device for the crane is solved.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of a connection structure of a first material roll and a second material roll in the present invention;
FIG. 4 is a schematic view of the connection structure of the connecting box and the clamping plate in the invention;
FIG. 5 is a schematic view of the connection structure of the connection box and the alignment groove of the present invention;
FIG. 6 is a schematic diagram of the connection structure of the driving gear and the driving rack in the present invention;
FIG. 7 is a schematic view of the connection structure of the locking block and the pull rope in the present invention;
FIG. 8 is a schematic diagram of a rectangular block and rectangular slot connection structure in accordance with the present invention;
FIG. 9 is a schematic view of the connection structure of the L-shaped rod and the conical block in the invention;
FIG. 10 is a schematic view of the connection structure of the mounting box and the guide plate in the present invention;
FIG. 11 is a schematic view of the connection structure of the mounting box and the connection box in the present invention;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11A according to the present invention;
FIG. 13 is a schematic view of the connection structure of the clamping plate and the guide block in the present invention;
FIG. 14 is a schematic view showing the connection structure of the tapered block and the extrusion rod in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. hoisting machine; 2. a mounting plate; 3. a first material roller; 4. a second material roller; 5. a connection box; 6. a connecting rope; 7. hoisting ropes; 8. a lifting hook; 9. a mounting box; 10. a rotating lever; 11. a pull rod; 12. a drive gear; 13. a drive rack; 14. a locking block; 15. a pull rope; 16. an alignment groove; 17. an alignment rod; 18. a driving groove; 19. wedge blocks; 20. a push plate; 21. a wedge bar; 22. a limit rod; 23. a lifting plate; 24. an electric push rod; 25. a mounting groove; 26. a mounting rod; 27. a clamping plate; 28. clamping the rack; 29. a rotating shaft; 30. clamping the gear; 31. an L-shaped rod; 32. rectangular blocks; 33. rectangular grooves; 34. a conical block; 35. a guide block; 36. an extrusion rod; 37. and a guide plate.
Detailed Description
Referring to fig. 1 to 14, the present invention provides a technical solution: the utility model provides a hoist device that hoist used, including hoist 1, the top fixed mounting of hoist 1 has mounting panel 2, the front end fixed mounting of mounting panel 2 has first material roller 3, second material roller 4, the outside winding of first material roller 3 has a plurality of connection boxes 5, connect through connecting rope 6 head and tail between a plurality of connection boxes 5, the outside winding of second material roller 4 has hoist rope 7, hoist rope 7's tip fixed mounting has lifting hook 8, a plurality of connection boxes 5 that end to end are in one and are connected with lifting hook 8 stationary phase at the tip, the middle part of connection box 5 all is provided with coupling mechanism, coupling mechanism is used for when the goods is lifted to the migration height, the fixed connection of drive connection box 5 in vertical state becomes an entirety, the middle part of connection box 5 is provided with clamping mechanism, clamping mechanism is used for when connection box 5 removes from the outside of first material roller 3 fixed mounting in hoist rope 7's outside;
the connecting mechanism comprises a mounting box 9 fixedly mounted at the front end of a mounting plate 2, the connecting box 5 passes through the inner side of the mounting box 9 when being removed from the outer side of a first material roller 3, a rotating rod 10 is rotatably connected to the middle part of the connecting box 5, a pull rod 11 is fixedly mounted on the outer side of the rotating rod 10, a driving gear 12 is fixedly mounted at the end part of the rotating rod 10, a driving rack 13 is slidingly connected to the middle part of the connecting box 5 through a compression spring, the driving gear 12 is meshed with the driving rack 13, one end of the connecting box 5 far away from a lifting hook 8 is slidingly connected with a locking block 14 through a tension spring, one end of the locking block 14 close to the lifting hook 8 is fixedly mounted with a pull rope 15, the other end of the pull rope 15 passes through the pull rod 11 and the connecting box 5 and is fixedly connected with an adjacent locking block 14 close to one side of the lifting hook 8, a driving mechanism is arranged on the inner side of the connecting box 9 and used for driving the driving rack 13 at the middle part of the connecting box 5 positioned at the inner side of the mounting box 9 to move to the height when a cargo is lifted up;
during operation, the hoisting machine 1 starts to drive the first material roller 3 and the second material roller 4 to synchronously rotate, the second material roller 4 rotates to slowly release the hoisting rope 7, meanwhile, the connecting box 5 is slowly removed from the outer side of the first material roller 3 and sequentially passes through the mounting box 9, and when the connecting box 5 passes through the inner side of the mounting box 9, the clamping mechanism fixedly installs the connecting box 5 on the outer side of the hoisting rope 7, so that the movement of the hoisting rope 7 and the movement of the mounting box 9 are kept synchronous, and preparation is made for subsequent fixing operation; when the lifting machine 1 drives the lifting hook 8 to move upwards through the second material roller 4 and the pull rope 15, the first material roller 3 rotates synchronously to slowly store the connecting box 5 to the outer side of the lifting hook, meanwhile, when the connecting box 5 passes through the mounting box 9 under the pulling of the first material roller 3, the clamping mechanism drives the connecting box 5 to be removed from the outer side of the lifting rope 7, so that the storage of the lifting rope 7 is not hindered, in the lifting process, the load is not born between the connecting box 5 and the connecting rope 6, and only the lifting rope 7 plays a role of bearing;
when the goods are lifted to a proper height, the driving mechanism starts to push one of the driving racks 13 positioned at the inner side of the mounting box 9 to move, the driving racks 13 move to drive the rotating rod 10 to rotate through the driving gear 12, the rotating rod 10 rotates to pull the pull rope 15 to move upwards through the pull rod 11, the pull rope 15 moves upwards to pull the locking block 14 at the lower side of the rotating rod to move upwards, the aligning mechanism guides the locking block 14 in the process of locking the upward movement, the top end of the lower locking block 14 is aligned with the bottom of the upper connecting box 5 and fixes the lower locking block 14 and the upper connecting box and the lower connecting box into a whole, the lower locking block 14 moves upwards to pull the lower pull rope 15 to move upwards, and the cyclic reciprocating operation realizes the fact that one of the connecting boxes 5 positioned at the inner side of the mounting box 9 and all the connecting boxes 5 positioned below the lower connecting box are fixed into a whole, so that the goods and the lifting machine 1 form a whole, when the lifting machine 1 drives the goods to move, the goods can not shake any more, the stability of the goods is greatly increased, the goods can not shake due to the overlarge shaking amplitude in the moving process, the goods can be prevented from shaking and the telescopic arm of the goods, the goods can not collide with the lifting machine 1, and the goods can not be repeatedly moved into a whole crane when the crane is used, and the whole crane can not be used.
As a further scheme of the invention, the aligning mechanism comprises three aligning grooves 16 which are respectively arranged at one end of the connecting box 5 close to the lifting hook 8, the inner sides of the aligning grooves 16 are cylindrical, the opening of the aligning grooves 16 is funnel-shaped, three aligning rods 17 are respectively fixedly arranged at one end of the locking block 14 far from the lifting hook 8, and the shapes of the aligning rods 17 are respectively matched with the aligning grooves 16;
when the locking device works, the locking block 14 moves upwards to drive the alignment rod 17 to move upwards, the funnel end of the alignment groove 16 is guided in the process of moving the alignment rod 17 upwards, the top end of the alignment rod 17 is inserted into the cylindrical end of the alignment groove 16 after being guided, when the pull rope 15 cannot move upwards any more, the top end of the locking block 14 is tightly attached to the bottom end of the upper connecting box 5, the alignment rod 17 is completely inserted into the alignment groove 16, and therefore the locking block 14 is fixed to the bottom of the upper connecting box 5, and two adjacent connecting boxes 5 are fixed into a whole because the bottom end of the locking block 14 is positioned on the inner side of the lower connecting box 5.
As a further scheme of the invention, the driving mechanism comprises a driving groove 18 arranged in the middle of the mounting box 9, the side wall of the driving groove 18 is slidably connected with two wedge blocks 19 through a compression spring, one side of each wedge block 19 close to the connecting box 5 is fixedly provided with a push plate 20, the push plates 20 correspond to the end parts of the driving racks 13, the inner sides of the driving groove 18 are slidably connected with wedge rods 21, the inclined surfaces of the wedge rods 21 are attached to the inclined surfaces of the wedge blocks 19 at the bottom ends, the side wall of the wedge rods 21 is fixedly provided with limiting rods 22, the outer sides of the bottom ends of the limiting rods 22 are slidably connected with lifting plates 23 through extension springs, the inner sides of the bottom ends of the driving groove 18 are fixedly provided with electric push rods 24, and the output ends of the electric push rods 24 are fixedly connected with the lifting plates 23;
when the goods are lifted to a proper height, the electric push rod 24 starts to push the lifting plate 23 to move upwards, the lifting plate 23 moves upwards to drive the wedge rod 21 to move upwards through the tension spring, the wedge rod 21 moves upwards to push the lower wedge block 19 to move towards the connecting box 5, the lower wedge block 19 moves to push the adjacent driving rack 13 to move towards the inner side of the connecting box 5 through the lower push plate 20, when the driving rack 13 can not move any more, the lower wedge block 19 and the wedge rod 21 are in a locking state, at the moment, the electric push rod 24 continues to drive the lifting plate 23 to move upwards, and the tension spring connected with the lifting plate 23 stretches until the electric push rod 24 moves for one stroke;
when the upper push plate 20 corresponds to the driving rack 13, the lower wedge block 19 moves under the extrusion of the wedge rod 21 and gives way to the lower wedge block, so that the wedge rod 21 can pass over the lower wedge block 19 and be extruded to the upper wedge block 19, and the upper wedge block 19 is extruded by the wedge rod 21 to push the driving rack 13 to move through the upper push plate 20, and the same applies to the above; the total length of the two push plates 20 is equal to the distance between the two adjacent drive racks 13, so that when the junction box 5 is in any position within the mounting box 9, there is always one or more push plates 20 capable of pushing the drive racks 13 to move and preferentially pushing the drive racks 13 corresponding to the lower push plates 20; the electric push rod 24 can push one of the driving racks 13 in the mounting box 9 to move only by moving a fixed stroke every time, the influence on the integral fixing operation of the connecting mechanism caused by simultaneous movement of the two driving racks 13 is avoided, and when a worker needs to fix the hoisting machine 1 and goods into a whole, the electric telescopic rod is only required to be started, so that the operation is simple and quick.
As a further scheme of the invention, the clamping mechanism comprises a mounting groove 25 formed in the middle of a connecting box 5, two mounting rods 26 are slidably connected to the inner side of the mounting groove 25 through a compression spring, clamping plates 27 are fixedly mounted at one ends of the mounting rods 26 far away from the connecting box 5, clamping racks 28 are fixedly mounted at the other ends of the mounting rods 26, rotating shafts 29 are rotatably connected to the inner sides of the mounting groove 25, clamping gears 30 are fixedly mounted at the outer sides of the rotating shafts 29, the two clamping racks 28 are respectively positioned at two sides of the clamping gears 30 and meshed with the clamping gears 30, an L-shaped rod 31 is arranged at the inner sides of the mounting groove 25, rectangular blocks 32 are fixedly mounted at the long ends of the L-shaped rod 31, rectangular grooves 33 are formed at the ends of the rotating shafts 29, conical blocks 34 are fixedly mounted at the short ends of the L-shaped rod 31, the conical blocks are connected with the connecting box 5 through compression springs, a triggering mechanism is arranged at the inner sides of the mounting box 9 and used for driving the two clamping plates 27 to clamp and fix the hoisting ropes 7 when the connecting box 5 passes through the mounting box 9 downwards, and loosening the hoisting ropes 7 when the hoisting ropes pass through the mounting box 9 upwards;
when the connecting box 5 downwards passes through the mounting box 9, the triggering mechanism extrudes two clamping plates 27 to be close to each other, the two clamping plates 27 are close to each other, the mounting rod 26 drives the two clamping racks 28 to move in opposite directions, the clamping racks 28 move to drive the rotating shaft 29 to rotate through the clamping gears 30, when the connecting box 5 moves out of the bottom end of the mounting box 9, the rectangular groove 33 rotates to be in a horizontal state from a vertical state, at the moment, the conical block 34 and the L-shaped rod 31 push the rectangular block 32 to be inserted into the rectangular groove 33 under the driving of the compression spring, so that the rotating shaft 29 is locked, meanwhile, the two clamping plates 27 clamp and fix the lifting rope 7, the connecting box 5 is fixed on the outer side of the lifting rope 7, and manual operation is not needed in the fixing process, so that the connecting box is convenient and quick.
As a further scheme of the invention, the triggering mechanism comprises two guide blocks 35 fixedly arranged on the inner side of the bottom end of the mounting box 9, the inclined surfaces of the guide blocks 35 correspond to the clamping plates 27, the inner wall of the mounting box 9 is fixedly provided with an extrusion rod 36, and the extrusion rod 36 corresponds to the conical block 34;
when the connecting box 5 moves downwards in operation, the two clamping plates 27 are guided by the inclined surfaces of the two guide blocks 35 to approach each other until the two clamping plates 27 clamp the hoisting rope 7; when the first material roller 3 and the second material roller 4 are stored, the connecting box 5 fixed on the outer side of the hoisting rope 7 passes through the mounting box 9 from bottom to top, in the process that the connecting box 5 passes through, the conical block 34 is extruded by the extrusion rod 36 and moves towards the inner side of the connecting box 5, the conical block 34 moves to push the rectangular block 32 to be removed from the rectangular groove 33 through the L-shaped rod 31, at the moment, the two mounting rods 26 are mutually far away under the pushing of the compression spring, the clamping rack 28 and the clamping gear 30 drive the rotating shaft 29 to rotate in the opposite direction, the rotating shaft 29 rotates to enable the rectangular groove 33 in the horizontal state to be restored to the vertical state, at the moment, the rectangular block 32 is blocked by the rotating shaft 29 and cannot be inserted into the rectangular groove 33, at the same time, the two mounting rods 26 move to drive the two clamping plates 27 to be far away from each other, so that the connecting box 5 is dismounted from the outer side of the hoisting rope 7, and the unlocking process is simple and convenient.
As a further scheme of the invention, four guide plates 37 are fixedly arranged at the top end of the mounting box 9, and the inclined surfaces of the guide plates 37 face to the top end opening of the mounting box 9;
during operation, the connecting box 5 is guided by the guide plate 37 in the downward moving process, and at the moment, the guide plate 37 guides the connecting box 5 into the inner side of the mounting box 9, so that the blocking of the bottom end of the connecting box 5 by the edge of the opening of the top end of the mounting box 9 is avoided, and convenience is brought to the use of the mounting box 9.
A hoisting method for a crane comprises the following steps:
step one: the first material roller 3 and the second material roller 4 synchronously rotate, and at the moment, the lifting hook 8 pulls the lifting rope 7 and the connecting box 5 to move downwards;
step two: when the connecting box 5 passes through the inner side of the mounting box 9, the connecting box 5 is fixedly mounted on the outer side of the hoisting rope 7 through the clamping mechanism;
step three: when the lifting hook 8 lifts the goods to a proper height, the connecting mechanism starts to drive the plurality of connecting boxes 5 in the vertical state to be fixedly connected into a whole.
Claims (8)
1. Hoist device that hoist was used, including hoist (1), its characterized in that: the utility model discloses a lifting machine, including hoist and mount machine (1), install board (2) on the top fixed mounting of hoist and mount machine (1), the front end fixed mounting of install board (2) has first material roller (3), second material roller (4), the outside winding of first material roller (3) has a plurality of junction box (5), a plurality of all be connected through connecting rope (6) head and tail between junction box (5), the outside winding of second material roller (4) has hoist and mount rope (7), hoist and mount rope (7)'s tip fixed mounting has lifting hook (8), a plurality of end to end junction box (5) are in one of tip and lifting hook (8) stationary phase connection, the middle part of junction box (5) all is provided with coupling mechanism, coupling mechanism is used for when the goods is lifted to the migration height, the middle part of driving junction box (5) fixed connection that is in vertical state becomes an entity, the clamping mechanism is used for when junction box (5) remove in the outside of hoist and mount rope (7) from the outside of first material roller (3).
2. The hoisting device for a crane according to claim 1, wherein: the connecting mechanism comprises a mounting box (9) fixedly mounted at the front end of a mounting plate (2), the connecting box (5) penetrates through the inner side of the mounting box (9) when removed from the outer side of a first material roller (3), the middle part of the connecting box (5) is fixedly connected with a rotating rod (10) in a rotating mode, the outer side of the rotating rod (10) is fixedly provided with a pull rod (11), the end part of the rotating rod (10) is fixedly provided with a driving gear (12), the middle part of the connecting box (5) is fixedly connected with a driving rack (13) through a compression spring in a sliding mode, the driving gear (12) is meshed with the driving rack (13), one end of the connecting box (5) far away from a lifting hook (8) is fixedly connected with a locking block (14) through a tension spring in a sliding mode, one end, close to the lifting hook (8), of the locking block (14) is fixedly provided with a pull rope (15), the other end of the pull rope (15) penetrates through the pull rod (11) and the connecting box (5) and is fixedly connected with an adjacent locking block (14) on one side, close to the lifting hook (8), the inner side, the driving rack (9) is arranged at the inner side, when the driving mechanism is connected with the driving rack (9) and is used for lifting the goods, and is at the middle part of the driving mechanism is high, and is connected with the driving rack (9, the end of the locking block (14) remote from the hook (8) is provided with an alignment mechanism for the locking block (14) to be secured to the end of an adjacent connection box (5) when the pull cord (15) pulls the locking block (14) into movement.
3. A lifting device for a crane according to claim 2, wherein: the aligning mechanism comprises three aligning grooves (16) which are formed in one end, close to the lifting hook (8), of the connecting box (5), the inner side of each aligning groove (16) is cylindrical, the opening of each aligning groove (16) is funnel-shaped, three aligning rods (17) are fixedly arranged at one end, far away from the lifting hook (8), of each locking block (14), and the shapes of the aligning rods (17) are matched with those of the aligning grooves (16).
4. A lifting device for a crane according to claim 2, wherein: the driving mechanism comprises a driving groove (18) formed in the middle of a mounting box (9), two wedge blocks (19) are slidably connected to the side wall of the driving groove (18) through compression springs, a push plate (20) is fixedly installed on one side, close to the connecting box (5), of each wedge block (19), the push plate (20) corresponds to the end portion of a driving rack (13), a wedge rod (21) is slidably connected to the inner side of the driving groove (18), the inclined surface of the wedge rod (21) is attached to the inclined surface of the wedge block (19) at the bottom, a limit rod (22) is fixedly installed on the side wall of the wedge rod (21), a lifting plate (23) is slidably connected to the outer side of the bottom of the limit rod (22) through tension springs, an electric push rod (24) is fixedly installed on the inner side of the bottom of the driving groove (18), and the output end of the electric push rod (24) is fixedly connected with the lifting plate (23).
5. A lifting device for a crane according to claim 2, wherein: the clamping mechanism comprises a mounting groove (25) formed in the middle of a connecting box (5), two mounting rods (26) are slidably connected to the inner side of the mounting groove (25) through compression springs, clamping plates (27) are fixedly mounted at one ends of the mounting rods (26) far away from the connecting box (5), clamping racks (28) are fixedly mounted at the other ends of the mounting rods (26), rotating shafts (29) are rotatably connected to the inner side of the mounting groove (25), clamping gears (30) are fixedly mounted at the outer sides of the rotating shafts (29), two clamping racks (28) are respectively positioned at two sides of the clamping gears (30) and meshed with the clamping gears, L-shaped rods (31) are arranged at the inner sides of the mounting groove (25), rectangular blocks (32) are fixedly mounted at the long ends of the L-shaped rods (31), rectangular grooves (33) are formed at the ends of the rotating shafts (29), conical blocks (34) are fixedly mounted with conical blocks (34) at the short ends of the L-shaped rods (31) and are connected with the connecting box (5) through compression springs, when a hoisting mechanism (9) is arranged at the inner sides of the connecting box (5), and when the two hoisting mechanisms (7) are fixedly connected with the clamping boxes (27), and the hoisting ropes (7) are loosened when they pass upwards through the mounting box (9).
6. The hoisting device for a crane according to claim 5, wherein: the trigger mechanism comprises two guide blocks (35) fixedly mounted on the inner side of the bottom end of the mounting box (9), the inclined surfaces of the guide blocks (35) correspond to the clamping plates (27), an extrusion rod (36) is fixedly mounted on the inner wall of the mounting box (9), and the extrusion rod (36) corresponds to the conical blocks (34).
7. A lifting device for a crane according to claim 2, wherein: four guide plates (37) are fixedly arranged at the top end of the mounting box (9), and inclined surfaces of the guide plates (37) face towards the top end opening of the mounting box (9).
8. A hoisting method for a crane, suitable for a hoisting device for a crane according to any one of claims 1-7, characterized in that: the hoisting method comprises the following specific steps:
step one: the first material roller (3) and the second material roller (4) synchronously rotate, and at the moment, the lifting hook (8) pulls the lifting rope (7) and the connecting box (5) to move downwards;
step two: when the connecting box (5) passes through the inner side of the mounting box (9), the connecting box (5) is fixedly mounted on the outer side of the hoisting rope (7) through the clamping mechanism;
step three: when the lifting hook (8) lifts the goods to a proper height, the connecting mechanism starts to drive the plurality of connecting boxes (5) in the vertical state to be fixedly connected into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310128683.8A CN116281556B (en) | 2023-02-01 | 2023-02-01 | Hoisting device for crane and hoisting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310128683.8A CN116281556B (en) | 2023-02-01 | 2023-02-01 | Hoisting device for crane and hoisting method thereof |
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| CN116281556A CN116281556A (en) | 2023-06-23 |
| CN116281556B true CN116281556B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310128683.8A Active CN116281556B (en) | 2023-02-01 | 2023-02-01 | Hoisting device for crane and hoisting method thereof |
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| JPH11255471A (en) * | 1998-03-12 | 1999-09-21 | Komatsu Ltd | Hoisting cargo device |
| JP2000351573A (en) * | 1999-06-14 | 2000-12-19 | Ishikawajima Harima Heavy Ind Co Ltd | Sway stopping device for hoisting accessory |
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| CN116281556A (en) | 2023-06-23 |
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