CN113371600B - Hoisting mechanism for ultrahigh crane - Google Patents
Hoisting mechanism for ultrahigh crane Download PDFInfo
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- CN113371600B CN113371600B CN202110934170.7A CN202110934170A CN113371600B CN 113371600 B CN113371600 B CN 113371600B CN 202110934170 A CN202110934170 A CN 202110934170A CN 113371600 B CN113371600 B CN 113371600B
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- rope
- winding drum
- direction changing
- wheel
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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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
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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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
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
- B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
A hoisting mechanism for an ultrahigh crane relates to the technical field of cranes, and comprises a trolley frame, a winding drum and a lifting hook, wherein the winding drum driven by a motor is arranged at the top of the trolley frame, a steel wire rope for lifting the lifting hook is wound on the winding drum body, movable pulley assemblies are arranged on two sides of the top of the lifting hook, and the hoisting mechanism also comprises a double-pulley rope arranging device and a bend assembly; a direction changing assembly is arranged on one side of the trolley frame corresponding to the winding drum, and a double-pulley rope arranging device is arranged between the trolley frame corresponding to the winding drum and the direction changing assembly; the direction changing assembly comprises a direction changing wheel I, a direction changing wheel II and a fixed pulley assembly, the direction changing wheel I is arranged at one end of the trolley frame corresponding to the winding drum, the direction changing wheel II is arranged at the other end of the trolley frame corresponding to the winding drum, and two fixed pulley assemblies corresponding to the two movable pulley assemblies are arranged between the direction changing wheel I and the direction changing wheel II corresponding to the trolley frame; the rope distribution device is simple in structure and reasonable in rope distribution structure, and can effectively prevent the phenomenon of rope disorder.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a hoisting mechanism for an ultrahigh crane.
Background
The steel wire rope length of the main hoisting mechanism is longer and longer along with the development of the crane in shipbuilding industry towards the direction of superelevation and overweight, and the row pitch of the steel wire rope wound on a crane winding drum is also increased continuously, so that the problem of easy groove jumping caused by overlarge spiral deflection angle of the steel wire rope is brought; in order to solve the problem, a steel wire rope straightening device and a reciprocating rope arrangement mechanism appear in the market, and the conventional steel wire rope straightening device can axially reciprocate along a crane drum along with the change of the number of turns of a steel wire rope on the crane drum in the process of winding and unwinding the steel wire rope on the crane drum, so that the steel wire rope is prevented from being wound; however, the existing steel wire rope straightening device mostly adopts open gear transmission, the guide rail is mostly of an I-beam structure, the lateral rigidity is poor, the guide rail slightly shakes, the phenomenon of moving blockage is easy to occur, and once the blockage occurs, serious consequences such as lead screw bending or chain fracture can occur;
the existing reciprocating rope arrangement mechanism basically adopts a lead screw and nut transmission type, has a complex structure and heavier weight, and the length of a long and thin lead screw is limited because the long and thin lead screw is easy to bend and deform due to the dead weight; because the hoisting height is higher and higher, the length of a crane drum is longer and longer, the existing reciprocating rope arranging mechanism cannot adapt to the hoisting height, and the existing reciprocating rope arranging mechanism also needs to slide in the guide groove, the requirement on the installation precision of the sliding pair is high, and the installation process is complex; in addition, a rope guider adopting chain traction is also available in the market, the rope guider adopts an overhead structure, the rope guider is higher than a frame platform in arrangement position, a rope winding system is complex, and faults are easy to occur; the above-mentioned phenomenon is a problem to be solved urgently by those skilled in the art;
chinese patent (publication number: CN 103626063A) discloses a large portal crane steel wire rope winding device, which arranges ropes through a guide movable pulley and guides the guide movable pulley through a guide movable pulley moving guide device, but the guide movable pulley still has steel wire rope to drive the movable pulley to move passively, and although the double-layer steel wire rope of a winding drum body can be prevented from being wound in a cross way, the steel wire rope can not be prevented from jumping a groove, the risk of rope disorder still exists, the guide movable pulley of the patent has higher installation precision requirement and larger assembly difficulty.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a hoisting mechanism for an ultrahigh crane.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hoisting mechanism for an ultrahigh crane comprises a trolley frame, a winding drum and a lifting hook, wherein the winding drum driven by a motor is arranged at the top of the trolley frame, a steel wire rope for hoisting the lifting hook is wound on the winding drum body, movable pulley assemblies are arranged on two sides of the top of the lifting hook, and the hoisting mechanism also comprises a double-pulley rope arranging device and a direction changing assembly; a direction changing assembly is arranged on one side of the trolley frame corresponding to the winding drum, and a double-pulley rope arranging device is arranged between the trolley frame corresponding to the winding drum and the direction changing assembly;
the direction changing assembly comprises a direction changing wheel I, a direction changing wheel II and a fixed pulley assembly, the direction changing wheel I is arranged at one end of the trolley frame corresponding to the winding drum, the direction changing wheel II is arranged at the other end of the trolley frame corresponding to the winding drum, and two fixed pulley assemblies corresponding to the two movable pulley assemblies are arranged between the direction changing wheel I and the direction changing wheel II corresponding to the trolley frame;
the steel wire rope body is divided into a rope I and a rope II after being changed in direction by a direction changing wheel II, a movable pulley assembly on one side of the top of the lifting hook is correspondingly wound and connected with a corresponding fixed pulley assembly through the rope I, a movable pulley assembly on the other side of the top of the lifting hook is correspondingly wound and connected with a corresponding fixed pulley assembly through the rope II, the rope I and the rope II are respectively led in from one side of the corresponding direction changing wheel II through the corresponding fixed pulley assembly and are led out from the other side, the end of the rope I is changed in direction by the direction changing wheel I and then is changed in direction with the end of the rope II through a double-pulley rope arranging device, the ends of the rope I and the rope II changed in direction by the double-pulley rope arranging device are correspondingly fastened and connected with the winding drum body, and one end of the winding drum close to the direction changing wheel II is gradually wound towards the other end of the winding drum;
one side of the double-pulley rope arranging device, which corresponds to the winding drum, is provided with a synchronous component which is correspondingly matched with the winding drum to drive the double-pulley rope arranging device to move along the axial direction of the winding drum; the synchronous component comprises a mounting seat, a wheel carrier and a roller, the mounting seat corresponds to the movable frame in a fastening connection mode, one side, deviating from the movable frame, of the mounting seat is provided with the wheel carrier in a triangular shape, one angle end of the wheel carrier corresponds to the mounting seat in a connection mode, and the other two angle ends of the wheel carrier are connected with the roller in a rotating mode and can correspond to the roller in contact with the rope groove of the winding drum.
Preferably, rope I and rope II are from top to bottom parallel and correspond the winding with the reel and be connected, and rope I is located the lower floor, and rope II is located the upper strata, and rope I is 1 or 2 circles more than the number of turns of rope II winding reels.
Preferably, the double-pulley rope arranging device comprises a sliding chute with an opening at the top and the bottom, the length direction axis of the sliding chute is correspondingly parallel to the axis of the winding drum, and two ends of the sliding chute are correspondingly and fixedly connected with the trolley frame; the sliding connection has the adjustable shelf in the spout, and this adjustable shelf internal rotation is connected with two rope arranging wheels that are used for making rope I and rope II to change directions respectively, and the shaft axis of rope arranging wheel corresponds perpendicularly with the axis of reel.
Preferably, a plurality of tension supporting wheels which are in rolling contact with the notches at the bottom of the sliding groove are arranged on two sides of the bottom of the movable frame at intervals.
Preferably, four corner ends at the top of the movable frame are provided with anti-falling wheels which are in rolling contact with notches at the top of the sliding groove correspondingly.
Preferably, four corner ends of two sides of the movable frame are respectively provided with a horizontal idler wheel which is in corresponding rolling contact with the inner groove wall of the sliding groove.
Preferably, the wheel carrier is correspondingly and rotatably connected with the mounting seat through a rotating shaft, and the wheel carrier is correspondingly hinged with the rotating seat.
Preferably, the shaft body movable sleeve of pivot is equipped with the nut cover that corresponds the screw with the mount pad, and the mount pad is stretched out to the one end that the nut cover deviates from the roating seat, and the one end joint that the corresponding nut cover of pivot deviates from the roating seat has the jump ring that prevents the pivot and drop.
Preferably, the sleeve body of the nut sleeve is screwed with a locking nut.
Preferably, the direction-changing wheels II are two in interval arrangement.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the hoisting mechanism for the ultrahigh crane disclosed by the invention is simple in structure and reasonable in rope arrangement structure, and can effectively prevent the phenomenon of rope disorder; the rope body of the steel wire rope is divided into a rope I and a rope II after being changed in direction by a direction changing wheel II, the rope I and the rope II are respectively fed into one side of the direction changing wheel II through corresponding fixed pulley assemblies and discharged from the other side of the direction changing wheel II, and the rope outlet angle and the rope inlet angle of the direction changing positions of the rope I and the rope II are always kept consistent in the rope collecting or releasing process, so that the phenomenon that the rope I and the rope II are accidentally wound or disordered is avoided;
the end of rope I changes to back through change wheel I and then changes to with the end of rope II together through the double pulley rope guiding device again, the end of rope I and rope II that changes to back through the double pulley rope guiding device all corresponds the fastening connection with the reel stack shell to by the reel be close to the one end of change wheel II to the other end of reel progressively twine, can drive synchronizing assembly along reel axial displacement when the reel is received the rope and is rotatory, synchronizing assembly drives the adjustable shelf and removes along the spout, thereby can make rope I and rope II under the guide effect of corresponding rope arranging wheel progressively twine the range along the grooving of reel, can effectively avoid appearing the phenomenon of indiscriminate rope.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a movable frame;
FIG. 3 is an exploded view of the synchronizing assembly;
fig. 4 is a schematic diagram of a rope arrangement mode structure of a steel wire rope.
In the figure: 1. a trolley frame; 2. a reel; 3. a movable pulley assembly; 4. a hook; 5. a rope I; 6. a rope II; 7. a redirection component; 7-1, a redirection wheel I; 7-2, a redirection wheel II; 7-3, a fixed pulley assembly; 8. a double-pulley rope arranging device; 8-1, a chute; 8-2, a movable frame; 8-3, rope discharging wheels; 8-4, a tension supporting wheel; 8-5, anti-drop wheel; 8-6, horizontal idler wheels; 9. a synchronization component; 9-1, mounting seats; 9-2, wheel carrier; 9-3, rollers; 9-4, a rotating seat; 9-5, a rotating shaft; 9-6, nut sleeve; 9-7, a clamp spring; 9-8 and locking nuts.
Detailed Description
The present invention will be explained in detail by the following embodiments, and the purpose of disclosing the invention is to protect all technical improvements within the scope of the present invention, in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and it is convenient to describe the present invention, and it is not intended to indicate or imply that the referred device or element must have a specific orientation.
With reference to the attached drawings 1-4, the hoisting mechanism for the super-high crane comprises a trolley frame 1, a winding drum 2 and a lifting hook 4, wherein the winding drum 2 driven by a motor is arranged at the top of the trolley frame 1, a steel wire rope for hoisting the lifting hook 4 is wound on the drum body of the winding drum 2, movable pulley assemblies 3 are arranged on two sides of the top of the lifting hook 4, and the hoisting mechanism further comprises a double-pulley rope aligning device 8 and a bend assembly 7; a direction changing assembly 7 is arranged on one side of the trolley frame 1 corresponding to the winding drum 2, and a double-pulley rope arranging device 8 is arranged between the trolley frame 1 corresponding to the winding drum 2 and the direction changing assembly 7; according to the requirement, the double-pulley rope arranging device 8 comprises a sliding chute 8-1 with an opening at the top and the bottom, the axial line of the sliding chute 8-1 in the length direction is correspondingly parallel to the axial line of the winding drum 2, and two ends of the sliding chute 8-1 are correspondingly and tightly connected with the trolley frame 1; a movable frame 8-2 is connected in the sliding groove 8-1 in a sliding manner, two rope arrangement wheels 8-3 used for respectively changing the directions of the rope I5 and the rope II 6 are rotatably connected in the movable frame 8-2, the axle lines of the rope arrangement wheels 8-3 are correspondingly vertical to the axle line of the winding drum 2, and the rope I5 and the rope II 6 are correspondingly wound on the inner sides of the corresponding rope arrangement wheels 8-3 respectively;
one side of the double-pulley rope arranging device 8 corresponding to the winding drum 2 is provided with a synchronous component 9 which is correspondingly matched with the winding drum 2 to drive the double-pulley rope arranging device 8 to move along the axial direction of the winding drum 2; the synchronous component 9 comprises a mounting seat 9-1, a wheel carrier 9-2 and rollers 9-3, the mounting seat 9-1 is correspondingly and tightly connected with the movable frame 8-2, one side of the mounting seat 9-1, which is far away from the movable frame 8-2, is provided with the wheel carrier 9-2 in a triangular shape, one corner end of the wheel carrier 9-2 is correspondingly connected with the mounting seat 9-1, the other two corner ends of the wheel carrier 9-2 are respectively and rotatably connected with the rollers 9-3 which can be correspondingly contacted with the rope groove of the winding drum 2, the rope groove of the winding drum 2 is a spiral groove, the synchronous component 9 can be driven to axially move along the winding drum 2 when the winding drum 2 rotates, the synchronous component 9 drives the movable frame 8-2 to move along the spiral groove 8-1, and therefore, the rope I5 and the rope II 6 can be gradually wound and arranged along the rope groove of the winding drum 2 under the guiding action of the corresponding rope arranging wheels 8-3, the phenomenon of rope disorder can be effectively avoided; according to the requirement, a plurality of tension supporting wheels 8-4 which are in rolling contact with the bottom notches of the sliding chutes 8-1 are arranged on the two sides of the bottoms of the movable frames 8-2 at intervals, namely the tension supporting wheels 8-4 can be in rolling contact with the bottom notches of the sliding chutes 8-1 correspondingly when the steel wire ropes of the winding rope-arranging wheels 8-3 are in a tight state, so that the movable frames 8-2 are prevented from being separated from the tops of the sliding chutes 8-1;
the four corner ends at the top of the movable frame 8-2 are respectively provided with an anti-drop wheel 8-5 which is in corresponding rolling contact with the notch at the top of the sliding chute 8-1, namely when the steel wire rope wound around the rope-arranging wheel 8-3 is accidentally loosened, the anti-drop wheels 8-5 can be in corresponding rolling contact with the notch at the top of the sliding chute 8-1, so that the movable frame 8-2 is prevented from being accidentally separated from the bottom of the sliding chute 8-1; meanwhile, four corner ends at two sides of the movable frame 8-2 are respectively provided with a horizontal idler wheel 8-6 which is correspondingly in rolling contact with the inner groove wall of the sliding groove 8-1, so that the movable frame 8-2 and the sliding groove 8-1 can be effectively prevented from being accidentally locked; the wheel frame 9-2 is correspondingly and rotatably connected with the mounting seat 9-1 through a rotating seat 9-4 and a rotating shaft 9-5, the wheel frame 9-2 is correspondingly hinged with the rotating seat 9-4, namely, the roller 9-3 can automatically adapt to the rotating direction of the winding drum 2, the roller 9-3 is prevented from accidentally separating from a rope groove of the winding drum 2, and the synchronous component 9 can be ensured to synchronously move along the axial direction of the winding drum of the crane when the winding drum of the crane rotates to take up or pay off the rope;
in addition, a nut sleeve 9-6 which is correspondingly screwed with the mounting seat 9-1 is movably sleeved on the shaft body of the rotating shaft 9-5, one end, deviating from the rotating seat 9-4, of the nut sleeve 9-6 extends out of the mounting seat 9-1, and one end, deviating from the rotating seat 9-4, of the nut sleeve 9-6, corresponding to the rotating shaft 9-5, is clamped with a clamp spring 9-7 for preventing the rotating shaft 9-5 from falling off, namely the position of the wheel carrier 9-2 can be adjusted through the nut sleeve 9-6, and the roller 9-3 is guaranteed to be correspondingly and effectively contacted with a rope groove of the winding drum 2; the sleeve body of the nut sleeve 9-6 is screwed with a locking nut 9-8, namely the nut sleeve 9-6 can be locked by the locking nut 9-8 after the nut sleeve 9-6 is adjusted in place, so that the nut sleeve 9-6 is prevented from being loosened accidentally;
the direction changing assembly 7 comprises a direction changing wheel I7-1, a direction changing wheel II 7-2 and a fixed pulley assembly 7-3, the direction changing wheel I7-1 is arranged at one end of the trolley frame 1 corresponding to the winding drum 2, the direction changing wheel II 7-2 is arranged at the other end of the corresponding winding drum 2, and two fixed pulley assemblies 7-3 respectively corresponding to the two movable pulley assemblies 3 are arranged between the direction changing wheel I7-1 and the direction changing wheel II 7-2 corresponding to the trolley frame 1;
the steel wire rope body is divided into a rope I5 and a rope II 6 after being redirected by a redirection wheel II 7-2, a movable pulley component 3 on one side of the top of a lifting hook 4 is correspondingly wound and connected with a corresponding fixed pulley component 7-3 through the rope I5, the movable pulley component 3 on the other side of the top of the lifting hook 4 is correspondingly wound and connected with the corresponding fixed pulley component 7-3 through the rope II 6, and the rope I5 and the rope II 6 are respectively led in from one side of the redirection wheel II 7-2 corresponding to the corresponding fixed pulley component 7-3 and led out from the other side; according to the requirement, the two direction-changing wheels II 7-2 are arranged at intervals, so that the ropes I5 and II 6 can respectively horizontally and vertically enter the corresponding fixed pulley assemblies 7-3, and the rope bodies of the ropes I5 and II 6 positioned on the rope outlet sides of the corresponding fixed pulley assemblies 7-3 are ensured to be horizontal and correspondingly vertical to the axes of the corresponding fixed pulley assemblies 7-3 when in use;
the end of the rope I5 is redirected through the redirecting wheel I7-1 and then redirected through the double-pulley rope arranging device 8 together with the end of the rope II 6, the ends of the rope I5 and the rope II 6 after being redirected through the double-pulley rope arranging device 8 are correspondingly and fixedly connected with the barrel of the winding drum 2, and are gradually wound from one end of the winding drum 2 close to the redirecting wheel II 7-2 to the other end of the winding drum 2, and the rope outlet angle and the rope inlet angle of the redirecting positions of the rope I5 and the rope II 6 are always kept consistent in the rope winding or rope unwinding process, so that the phenomenon that the rope I5 and the rope II 6 are accidentally wound or disordered is avoided; according to needs, rope I5 and II 6 of rope are from top to bottom parallel and are connected with the winding of 2 correspondences of reel, and I5 of rope is located the lower floor, and II 6 of rope are located the upper strata, and I5 of rope is 1 or 2 rings more than II 6 winding reel 2's the number of turns, can further avoid appearing the phenomenon of indiscriminate rope.
According to the hoisting mechanism for the ultrahigh crane, when the winding drum 2 rotates, the synchronous component 9 can be driven to axially move along the winding drum 2, the synchronous component 9 drives the movable frame 8-2 to move along the sliding groove 8-1, so that the ropes I5 and II 6 can be gradually wound and arranged along the rope groove of the winding drum 2 under the guiding action of the corresponding rope arranging wheels 8-3, and the phenomenon of rope disorder can be effectively avoided; the rope outlet angle and the rope inlet angle of the direction change positions of the rope I5 and the rope II 6 are always kept consistent in the rope collecting or releasing process, so that the phenomenon that the rope I5 and the rope II 6 are accidentally wound or disordered is further avoided.
The invention is not described in detail in the prior art, and it is apparent to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a hoisting mechanism for super high crane, contains trolley frame (1), reel (2) and lifting hook (4), and trolley frame (1) top is equipped with by motor drive's reel (2), and reel (2) stack shell winding has the wire rope that is used for lifting hook (4), lifting hook (4) top both sides all are equipped with movable pulley assembly (3), characterized by: the device also comprises a double-pulley rope arranging device (8) and a redirection assembly (7); a direction changing assembly (7) is arranged on one side of the trolley frame (1) corresponding to the winding drum (2), and a double-pulley rope arranging device (8) is arranged between the trolley frame (1) corresponding to the winding drum (2) and the direction changing assembly (7);
the direction changing assembly (7) comprises a direction changing wheel I (7-1), a direction changing wheel II (7-2) and a fixed pulley assembly (7-3), the direction changing wheel I (7-1) is arranged at one end, corresponding to the winding drum (2), of the trolley frame (1), the direction changing wheel II (7-2) is arranged at the other end, corresponding to the winding drum (2), of the trolley frame (1), and two fixed pulley assemblies (7-3) corresponding to the two movable pulley assemblies (3) are arranged between the direction changing wheel I (7-1) and the direction changing wheel II (7-2) corresponding to the trolley frame (1);
the steel wire rope body is divided into a rope I (5) and a rope II (6) after being changed in direction by a direction changing wheel II (7-2), a movable pulley component (3) on one side of the top of a lifting hook (4) is correspondingly wound and connected with a corresponding fixed pulley component (7-3) through the rope I (5), the movable pulley component (3) on the other side of the top of the lifting hook (4) is correspondingly wound and connected with the corresponding fixed pulley component (7-3) through the rope II (6), the rope I (5) and the rope II (6) are respectively led in from one side of the direction changing wheel II (7-2) through the corresponding fixed pulley component (7-3) and led out from the other side, the end of the rope I (5) is changed in direction by the direction changing wheel I (7-1) and then is changed in direction with the end of the rope II (6) through a double-row rope device (8), and the ends of the rope I (5) and the rope (6) changed in direction by the double-row rope device (8) are correspondingly fastened and connected with the winding drum body II, and one end of the winding drum (2) close to the direction change wheel II (7-2) is wound to the other end of the winding drum (2) step by step;
one side of the double-pulley rope arranging device (8) corresponding to the winding drum (2) is provided with a synchronous component (9) which is correspondingly matched with the winding drum (2) to drive the double-pulley rope arranging device (8) to move along the axial direction of the winding drum (2); the synchronous component (9) comprises a mounting seat (9-1), a wheel carrier (9-2) and rollers (9-3), the mounting seat (9-1) is correspondingly and fixedly connected with the movable frame (8-2), the side, away from the movable frame (8-2), of the mounting seat (9-1) is provided with the wheel carrier (9-2) in a triangular shape, one corner end of the wheel carrier (9-2) is hinged with a rotating seat (9-4), the rotating seat (9-4) is correspondingly and rotatably connected with the mounting seat (9-1) through a rotating shaft (9-5), and the other two corner ends of the wheel carrier (9-2) are respectively and rotatably connected with the rollers (9-3) capable of correspondingly contacting with the rope grooves of the winding drum (2); the shaft body of the rotating shaft (9-5) is movably sleeved with a nut sleeve (9-6) which is screwed correspondingly to the mounting seat (9-1), one end, deviating from the rotating seat (9-4), of the nut sleeve (9-6) extends out of the mounting seat (9-1), and one end, deviating from the rotating seat (9-4), of the nut sleeve (9-6) corresponding to the rotating shaft (9-5) is clamped with a clamp spring (9-7) for preventing the rotating shaft (9-5) from falling off.
2. The hoisting mechanism for an ultra-high crane according to claim 1, wherein: rope I (5) and rope II (6) are from top to bottom parallel and correspond the winding with reel (2) and be connected, and rope I (5) are located the lower floor, and rope II (6) are located the upper strata, and rope I (5) are 1 or 2 circles more than the number of turns that rope II (6) twined reel (2).
3. The hoisting mechanism for an ultra-high crane according to claim 1, wherein: the double-pulley rope arranging device (8) comprises a sliding chute (8-1) with an opening at the top and the bottom, the axial line of the sliding chute (8-1) in the length direction is correspondingly parallel to the axial line of the winding drum (2), and two ends of the sliding chute (8-1) are correspondingly and fixedly connected with the trolley frame (1); the rope guiding device is characterized in that a movable frame (8-2) is connected in the sliding groove (8-1) in a sliding mode, two rope guiding wheels (8-3) used for enabling the ropes I (5) and the ropes II (6) to change directions are connected in the movable frame (8-2) in a rotating mode, and the axle axes of the rope guiding wheels (8-3) are correspondingly perpendicular to the axis of the winding drum (2).
4. A hoisting mechanism for an ultra-high crane as claimed in claim 3, wherein: a plurality of tension supporting wheels (8-4) which are in corresponding rolling contact with the bottom notches of the sliding grooves (8-1) are arranged on the two sides of the bottom of the movable frame (8-2) at intervals.
5. The hoisting mechanism for an ultra-high crane according to claim 4, wherein: four corner ends at the top of the movable frame (8-2) are respectively provided with an anti-falling wheel (8-5) which is in rolling contact with the notch at the top of the sliding groove (8-1).
6. A hoisting mechanism for an ultra-high crane as claimed in claim 3, wherein: four corner ends at two sides of the movable frame (8-2) are respectively provided with a horizontal idler wheel (8-6) which is in corresponding rolling contact with the inner groove wall of the sliding groove (8-1).
7. The hoisting mechanism for an ultra-high crane according to claim 1, wherein: the sleeve body of the nut sleeve (9-6) is connected with a locking nut (9-8) through a screw thread.
8. The hoisting mechanism for an ultra-high crane according to claim 1, wherein: the two direction-changing wheels II (7-2) are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110934170.7A CN113371600B (en) | 2021-08-16 | 2021-08-16 | Hoisting mechanism for ultrahigh crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110934170.7A CN113371600B (en) | 2021-08-16 | 2021-08-16 | Hoisting mechanism for ultrahigh crane |
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| CN113371600A CN113371600A (en) | 2021-09-10 |
| CN113371600B true CN113371600B (en) | 2021-11-23 |
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| CN116835471B (en) * | 2023-08-29 | 2023-12-05 | 河南科技学院 | Rope disorder preventing device of permanent magnet driving crane with large lifting height |
Citations (11)
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| CN2533115Y (en) * | 2002-03-18 | 2003-01-29 | 初巨帆 | Rope winding wheel type wirerope guider |
| CN101920907A (en) * | 2010-09-11 | 2010-12-22 | 大连华锐股份有限公司 | Main trolley of large shipbuilding portal crane |
| CN101973494A (en) * | 2010-10-16 | 2011-02-16 | 太原重工股份有限公司 | Rope guide of hoisting mechanism of crane |
| CN102336375A (en) * | 2011-09-02 | 2012-02-01 | 纽科伦（新乡）起重机有限公司 | Rope guider and electric hoist using same |
| CN102502363A (en) * | 2011-12-01 | 2012-06-20 | 中联重科股份有限公司 | Cable reel and crane comprising same |
| CN204490398U (en) * | 2014-12-23 | 2015-07-22 | 江苏沃得起重机有限公司 | Hoist roller double-layer wire rope stalk straightening device |
| CN108483292A (en) * | 2018-01-31 | 2018-09-04 | 武汉船用机械有限责任公司 | A kind of double-rope hoist engine |
| CN208829162U (en) * | 2018-08-14 | 2019-05-07 | 广州文冲船厂有限责任公司 | A kind of rope arranging automatically structure |
| CN209306727U (en) * | 2018-09-11 | 2019-08-27 | 徐州帝意电子有限公司 | A kind of single layer rope-arranging mechanism |
| CN110255412A (en) * | 2019-07-23 | 2019-09-20 | 诺威起重设备（苏州）有限公司 | Toilet is with explosion-proof cucurbit |
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2021
- 2021-08-16 CN CN202110934170.7A patent/CN113371600B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486056A (en) * | 1974-06-11 | 1977-09-14 | Ferodo Sa | Winding cables and the like on to storage drums |
| CN2533115Y (en) * | 2002-03-18 | 2003-01-29 | 初巨帆 | Rope winding wheel type wirerope guider |
| CN101920907A (en) * | 2010-09-11 | 2010-12-22 | 大连华锐股份有限公司 | Main trolley of large shipbuilding portal crane |
| CN101973494A (en) * | 2010-10-16 | 2011-02-16 | 太原重工股份有限公司 | Rope guide of hoisting mechanism of crane |
| CN102336375A (en) * | 2011-09-02 | 2012-02-01 | 纽科伦（新乡）起重机有限公司 | Rope guider and electric hoist using same |
| CN102502363A (en) * | 2011-12-01 | 2012-06-20 | 中联重科股份有限公司 | Cable reel and crane comprising same |
| CN204490398U (en) * | 2014-12-23 | 2015-07-22 | 江苏沃得起重机有限公司 | Hoist roller double-layer wire rope stalk straightening device |
| CN108483292A (en) * | 2018-01-31 | 2018-09-04 | 武汉船用机械有限责任公司 | A kind of double-rope hoist engine |
| CN208829162U (en) * | 2018-08-14 | 2019-05-07 | 广州文冲船厂有限责任公司 | A kind of rope arranging automatically structure |
| CN209306727U (en) * | 2018-09-11 | 2019-08-27 | 徐州帝意电子有限公司 | A kind of single layer rope-arranging mechanism |
| CN110255412A (en) * | 2019-07-23 | 2019-09-20 | 诺威起重设备（苏州）有限公司 | Toilet is with explosion-proof cucurbit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113371600A (en) | 2021-09-10 |
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