CN219620686U - Electric rotary lifting hook group - Google Patents

Abstract

The utility model discloses an electric rotary lifting hook group, which relates to the technical field of lifting hooks of cranes and comprises a lifting hook part, a lifting hook connecting part, a motor driving part and a pulley part; the lifting hook part is directly driven to rotate by the rotating motor, so that the hoisted goods can be rotated in any direction, the dependence of manual rotation is omitted, and the safety of workers is effectively ensured; the cooperative use of the upper clutch and the lower clutch can disconnect the two clutches when electric rotation is not needed, and the lifting hook part can be arbitrarily rotated by three hundred sixty degrees through manual pushing, so that the use is more convenient; the rotating motor is placed in the middle to solve the problem of the weight deviation of the lifting hooks, and meanwhile, the counter weight can be omitted so as to lighten the dead weight of the lifting hook group; the rotary motor is placed in the middle, so that the motor is better protected; in addition, the rotating motor is arranged in the middle, and the interval between pulley blocks at two sides is increased, so that the anti-autorotation capability of the lifting hook group is better when the lifting hook group rotates electrically; the use of the utility model improves the safety and the production efficiency.

Description

Electric rotary lifting hook group

Technical Field

The utility model relates to the technical field of crane hooks, in particular to an electric rotating hook group.

Background

Along with the continuous improvement of the complexity of lifting materials in the lifting field, the lifted materials are not only simply conveyed back and forth, but also often need to be rotated by a certain angle for installation or placement at a special position.

The lifting hook group that is traditional to be used for material handling mostly is the operation of point to point, and the lifting hook of lifting hook group can't autogiration at handling in-process, and normal hoist lifting hook group is 360 degrees free rotations, and the rotation when hoisting the heavy object is all pulled the material by the manpower and is realized rotating the heavy object, and this kind of mode danger coefficient is high and be difficult for the operation, especially increases realization degree of difficulty and danger coefficient to the great material of weight. Therefore, a lifting hook group capable of rotating automatically is urgently needed, and the lifted materials can be rotated according to the requirement, so that the manpower input is reduced, and the safety risk is reduced.

An electric rotating hook set for a crane, having the application number CN2020205730355, provides a rotatable hook set, but the rotating direction can only be controlled by a motor when lifting the goods, and the crane cannot rotate when the crane needs to be manually rotated.

Disclosure of Invention

The utility model aims to provide an electric rotating hook group so as to solve the problem that the existing electric rotating hook group proposed in the background art can only electrically control rotation and cannot manually rotate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an electric rotary lifting hook group comprises a lifting hook part, a lifting hook connecting part and a motor driving part which are sequentially arranged from bottom to top; the lifting hook part comprises a lifting hook at the bottom end and a Y-shaped lifting hook fork arranged at the top of the lifting hook part, wherein the lifting hook fork is connected with a horizontal lifting hook shaft and a lifting hook connecting part is connected at the middle of the lifting hook shaft; the bottom of the lifting hook connecting part is horizontally provided with a shaft sleeve sleeved outside the lifting hook shaft, and the top end of the lifting hook connecting part is provided with a connecting driving shaft which is then connected with a motor driving part; the motor driving part comprises a fixed supporting plate which is sleeved at the lowest end of the connecting driving shaft and does not affect the rotation of the connecting driving shaft, a thrust bearing sleeved at the outer side of the connecting driving shaft is arranged on the top surface of the fixed supporting plate, a lifting hook nut which is locked and fixed with the connecting driving shaft is arranged on the top surface of the thrust bearing, a first key which is fixedly arranged through a screw is axially arranged at the upper part of the connecting driving shaft, and a lower clutch is arranged in a clamping manner; the top of connecting the drive shaft is provided with coaxial drive shaft, the key groove is provided with the second key and clamps and be provided with the clutch, is provided with the locking pad between two clutches, the drive shaft top is connected with cycloid reduction gear, cycloid reduction gear is connected with the rotating electrical machines, the outside cover of rotating electrical machines is equipped with the motor protection casing, cycloid reduction gear, rotating electrical machines, motor protection casing are all fixed to be set up in last backup pad, go up the outside border department of backup pad with be provided with a plurality of vertical backup pads between the fixed backup pad to set up at the front side and still be provided with the door plant.

Further, the outer sides of the left side and the right side of the lifting hook fork are connected with an anti-falling hook on the lifting hook shaft, the anti-falling hook is arranged like a triangle and covers the lower part of the lifting hook fork, and the rear side of the lifting hook is provided with a balancing weight; and an oil cup is further arranged on the right side of the lifting hook shaft.

Further, an annular groove is formed in the outer side of the lower clutch, a handle portion is connected with the lower clutch in a clamped mode through the annular groove, the handle portion comprises a shifting fork rod, one end of the shifting fork rod is hinged to a vertical supporting plate, the other end of the shifting fork rod is a handle end, and a clamping block clamped in the annular groove is arranged at a position, close to the lower clutch, of the shifting fork rod.

Preferably, a return spring is sleeved outside the connecting driving shaft between the lower clutch and the hook nut.

Preferably, a latch is provided on the vertical support plate near the handle end of the fork lever.

Further, the left side and the right side of the motor protection cover and the upper supporting plate are respectively provided with a pulley part, and the pulley parts are connected with the crane through steel wires.

Further, the pulley part comprises pulley frames fixedly connected with the plurality of vertical supporting plates, coaxial pulley shafts are horizontally arranged on the two pulley frames, two pulleys are arranged on each pulley shaft, and each pulley is connected with the crane through a steel wire rope.

Preferably, the outer side of the pulley frame on the right side is provided with a cable fixing frame, and a cable connected with the rotating motor is fixed; the outside of the vertical supporting plate positioned at the left side is close to the lower part and is provided with a junction box which is connected with an external power supply.

Further, the outside of lifting hook nut still is provided with outside convex back iron, the outside of back iron sets up the fork of preventing that uses in coordination with it, prevent changeing the fork and set up through the installing support in the fixed bolster, prevent changeing fork department and still set up and prevent changeing the switch, be used for control prevent changeing the fork to the spacing of back iron is blocked.

Further, the outside of the lifting hook nut is provided with a limit switch arranged on the vertical support plate through a limit switch seat, the front end of the limit switch is propped against the lifting hook nut, and the rotation angle of the lifting hook part is recorded and fed back.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the lifting hook part is directly driven to rotate by the rotating motor, so that the hoisted goods can be rotated in any direction according to the actual requirements of the site, the dependence of manual rotation is avoided, and the safety of workers is effectively ensured; the cooperative use of the upper clutch and the lower clutch can disconnect the two clutches when electric rotation is not needed, and the lifting hook part can be arbitrarily rotated by three hundred sixty degrees through manual pushing, so that the use is more convenient; the rotating motor is placed in the middle to solve the problem of the weight deviation of the lifting hooks, and meanwhile, the counter weight can be omitted so as to lighten the dead weight of the lifting hook group; the rotary motor is placed in the middle, so that the motor is better protected; in addition, the rotating motor is arranged in the middle, and the interval between pulley blocks at two sides is increased, so that the anti-autorotation capability of the lifting hook group is better when the lifting hook group rotates electrically; the use of the utility model improves the safety and the production efficiency.

Drawings

FIG. 1 is a schematic diagram of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a left side view;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is an enlarged view of B in FIG. 2;

FIG. 6 is an enlarged view of C in FIG. 3;

in the figure: the lifting hook comprises a lifting hook part-1, a lifting hook-11, a lifting hook fork-12, a lifting hook shaft-13, an anti-unhook hook-14, a balancing weight-15, an oil cup-16, a lifting hook connecting part-2, a shaft sleeve-21, a connecting driving shaft-22, a driving shaft-23, a first key-24, a second key-25, a motor driving part-3, a fixed supporting plate-31, a door plate-310, a thrust bearing-32, a lifting hook nut-33, a stop iron-331, an anti-rotation fork-332, an anti-rotation switch-333, a limit switch-334, a lower clutch-34, an annular groove-341, an upper clutch-35, a cycloidal reducer-36, a rotating motor-37, a motor protection cover-38, an upper supporting plate-39, a handle part-30, a shifting fork rod-301, a clamping block-302, a reset spring-303, a bolt-304, a pulley part-4, a pulley frame-41, a pulley shaft-42, a pulley-43, a cable fixing frame-44 and a junction box-45.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-6, fig. 1 is a schematic diagram of the present utility model; FIG. 2 is a schematic diagram of the structure of the present utility model; FIG. 3 is a left side view; FIG. 4 is a cross-sectional view A-A of FIG. 2; FIG. 5 is an enlarged view of B in FIG. 2; fig. 6 is an enlarged view of C in fig. 3.

The utility model provides an electric rotating lifting hook group which is used for carrying out three hundred and sixty degrees of rotation through electric control when lifting materials so as to facilitate the installation of the materials or the placement and use of the materials at a special position; the lifting hook comprises a lifting hook part 1 which is arranged at the bottom and is directly used for lifting cargoes, wherein the top end of the lifting hook part 1 is connected with a lifting hook connecting part 2 through a lifting hook shaft, and the top end of the lifting hook connecting part 2 is connected with a motor driving part 3 for driving the lifting hook part 1 to perform directional rotation operation so as to facilitate the installation of materials or the placement and use of a designated position.

The lifting hook part 1 comprises a lifting hook 11 which is vertically arranged at the bottommost end, a left-right separated Y-shaped lifting hook fork 12 is arranged at the top end of the lifting hook 11, a lifting hook shaft 13 which is horizontally arranged is connected with the lifting hook fork 12, a vertical lifting hook connecting part 2 is connected to the middle part of the lifting hook shaft 13, and the lifting hook 11 swings back and forth by taking the lifting hook shaft 13 as a shaft, so that the lifting hook is convenient to use when lifting cargoes; the outer sides of the left side and the right side of the lifting hook fork 12 on the lifting hook shaft 13 are connected with an anti-unhooking hook 14, the anti-unhooking hook 14 is covered on the lower part of the lifting hook fork 12, the anti-unhooking hook 14 is arranged like a triangle and rotates by taking the lifting hook shaft 13 as an axis, the rear side of the lifting hook 11 of the anti-unhooking hook 14 is provided with a balancing weight 15, and the opening of the lifting hook 11 can be always closed by the anti-unhooking hook 14 under the action of gravity through the balancing weight 15, so that the phenomenon of unhooking of goods during lifting of the goods is avoided; in addition, an oil cup 16 is further disposed on the right side of the hook shaft 13, for providing lubricating oil for the hook shaft 13, so as to provide sufficient lubricating oil for the hook shaft 13, so as to prolong the service life of the hook shaft 13.

The bottom of the hook connecting part 2 is horizontally provided with a shaft sleeve 21, the shaft sleeve 21 is sleeved outside the hook shaft 13 and is positioned in the middle of the hook fork 12, so that the connection with the hook part 1 is completed; the top end of the hook connecting part 2 is provided with a connecting driving shaft 22, and a motor driving part 3 is connected through the connecting driving shaft 22.

The motor driving part 3 comprises a fixed supporting plate 31 sleeved at the lowest end of the connecting driving shaft 22, the fixed supporting plate 31 does not interfere the rotation of the connecting driving shaft 22, a thrust bearing 32 sleeved outside the connecting driving shaft 22 is arranged on the top surface of the fixed supporting plate 31, a lifting hook nut 33 locked and fixed with the connecting driving shaft 22 is arranged on the top surface of the thrust bearing 32, and the lifting hook nut 33 can synchronously rotate with the lifting hook connecting part 2 by the assistance of the thrust bearing 32; the upper part of the connecting driving shaft 22 is axially provided with a first key 24 fixedly installed through a screw and is provided with a lower clutch 34 in a clamping manner; the top of the connecting driving shaft 22 is provided with a coaxial driving shaft 23, a second key 25 is arranged on a key groove on the driving shaft 23, an upper clutch 35 is clamped and arranged, a stop pad is arranged between the two clutches, and the stop pad is used for cooperatively driving or releasing the driving of the connecting driving shaft 22; the top end of the driving shaft 23 is connected with a cycloid speed reducer 36, and the cycloid speed reducer 36 is connected with a rotating motor 37 for providing driving power for the rotation of the lifting hook part 1; the outer side of the rotating motor 37 is covered with a motor protection cover 38 for protecting the rotating motor 37 from dust or foreign matters entering the rotating motor 37, thereby affecting the operation safety of the motor; the cycloid reducer 36, the rotating motor 37 and the motor protection cover 38 are fixedly arranged on the upper support plate 39, a plurality of vertical support plates are arranged between the outer side edge of the upper support plate 39 and the fixed support plate 31 to connect the upper support plate and the fixed support plate into a whole, a door plate 310 is arranged on the front side, and the connection and the separation between the lower clutch 34 and the upper clutch 35 can be controlled through the door plate 310.

An annular groove 341 is disposed on the outer side of the lower clutch 34, a handle portion 30 is engaged with the annular groove 341, and the handle portion 30 can control the longitudinal movement of the lower clutch 34, so that the connection and disconnection with the upper clutch 35 can be completed.

The handle portion 30 includes a shift fork rod 301, one end of the shift fork rod 301 is hinged on a vertical support plate, the other end is a handle end, a clamping block 302 clamped in the annular groove 341 is arranged on the position, close to the lower clutch 34, of the shift fork rod 301, when manual rotation is required, the handle end of the shift fork rod 301 is only required to be shifted downwards, the lower clutch 34 is moved downwards, so that the lower clutch is separated from the upper clutch 35, and then the hook portion 1 can be manually rotated in any direction; a return spring 303 is sleeved outside the connecting driving shaft 22 between the lower clutch 34 and the hook nut 33, and when the manual rotation is not needed, the lower clutch 34 is driven to move upwards only by loosening the shifting fork 301, and the lower clutch is connected with the upper clutch 35, so that the hook part 1 can be driven to rotate by a rotating motor 37; a latch 304 is provided on the vertical support plate near the handle end of the fork rod 301, and when the handle end of the fork rod 301 is pressed downward, in order to prevent the return of the return spring 303, the latch 304 may be used to limit the movement of the handle end of the fork rod 301, so as to avoid affecting the manual rotation of the hook portion 1.

The left and right sides of the motor protection cover 38 and the upper support plate 39 are respectively provided with a pulley part 4, and the pulley parts 4 are used for being connected with a crane through a steel wire rope.

The pulley part 4 comprises pulley frames 41 fixedly connected with a plurality of vertical support plates, coaxial pulley shafts 42 are horizontally arranged on the two pulley frames 41, two pulleys 43 are arranged on each pulley shaft 42, and each pulley 43 is connected with a crane through a steel wire rope; through the synergistic effect of the four pulleys 43 and the steel wire rope, the lifting hook part 1 can move up and down, so that the lifting movement of cargoes is completed; the outer side of the pulley frame 41 on the right side is provided with a cable fixing frame 44 for fixing a cable connected with the rotating motor 37 for use; the outside of the vertical support plate on the left side is provided with a junction box 45 near the lower part for connection with an external power supply.

The outer side of the hook nut 33 is further provided with an outwards protruding stop iron 331, the outer side of the stop iron 331 is provided with an anti-rotation fork 332 used cooperatively with the stop iron 331, the anti-rotation fork 332 is arranged on the fixed supporting plate 31 through a mounting bracket, and an anti-rotation switch 333 is further arranged at the anti-rotation fork 332 and used for controlling the anti-rotation fork 332 to limit and block the stop iron 331, so that the anti-rotation fork can effectively prevent the anti-rotation fork 332 from rotating when lifting cargoes; in addition in the outside of lifting hook nut is in limit switch 334 that limit switch seat set up on vertical support board, limit switch 334's front end is supported and is in on the lifting hook nut 33 for the record the rotation angle of lifting hook portion 1, in motor drive portion 3 drive when lifting hook portion 1 rotates, through limit switch 334 real-time feedback lifting hook portion 1's rotation angle, thereby can effectually control lifting hook portion 1's rotation angle, in order that when hoist and mount goods, can effectually control the rotation angle of goods.

According to the utility model, the lifting hook part is directly driven to rotate by the rotating motor, so that the hoisted goods can be rotated in any direction according to the actual requirements of the site, the dependence of manual rotation is avoided, and the safety of workers is effectively ensured; the cooperative use of the upper clutch and the lower clutch can disconnect the two clutches when electric rotation is not needed, and the lifting hook part can be arbitrarily rotated by three hundred sixty degrees through manual pushing, so that the use is more convenient; the rotating motor is placed in the middle to solve the problem of the weight deviation of the lifting hooks, and meanwhile, the counter weight can be omitted so as to lighten the dead weight of the lifting hook group; the rotary motor is placed in the middle, so that the motor is better protected; in addition, the rotating motor is arranged in the middle, and the interval between pulley blocks at two sides is increased, so that the anti-autorotation capability of the lifting hook group is better when the lifting hook group rotates electrically; the use of the utility model improves the safety and the production efficiency.

While embodiments of the utility model have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present utility model are within the scope of the present utility model.

Claims (10)

1. An electric rotating hook set, characterized in that: the lifting hook comprises a lifting hook part (1), a lifting hook connecting part (2) and a motor driving part (3) which are sequentially arranged from bottom to top; the lifting hook part (1) comprises a lifting hook (11) at the bottom end and a Y-shaped lifting hook fork (12) arranged at the top of the lifting hook, wherein the lifting hook fork (12) is connected with a horizontal lifting hook shaft (13) and a lifting hook connecting part (2) is connected at the middle of the lifting hook shaft; the bottom of the lifting hook connecting part (2) is horizontally provided with a shaft sleeve (21) sleeved outside the lifting hook shaft (13), and the top end of the lifting hook connecting part (2) is provided with a connecting driving shaft (22) which is then connected with a motor driving part (3); the motor driving part (3) comprises a fixed supporting plate (31) sleeved at the lowest end of the connecting driving shaft (22) and not influencing the rotation of the connecting driving shaft, a thrust bearing (32) sleeved at the outer side of the connecting driving shaft (22) is arranged on the top surface of the fixed supporting plate (31), a lifting hook nut (33) locked and fixed with the connecting driving shaft (22) is arranged on the top surface of the thrust bearing (32), and a first key (24) fixedly installed through a screw is axially arranged at the upper part of the connecting driving shaft (22) and is clamped with a lower clutch (34); the top of connecting drive shaft (22) is provided with coaxial drive shaft (23), the keyway is provided with second key (25) and clamps and is provided with clutch (35) on drive shaft (23), is provided with the locking pad between the two clutches, drive shaft (23) top is connected with cycloid reduction gear (36), cycloid reduction gear (36) are connected with rotating electrical machines (37), the outside cover of rotating electrical machines (37) is equipped with motor protection casing (38), cycloid reduction gear (36), rotating electrical machines (37), motor protection casing (38) are all fixed to be set up on last backup pad (39), the outside border department of going up backup pad (39) with be provided with a plurality of vertical backup pads between fixed backup pad (31) to set up in the front side and still be provided with door plant (310).

2. The electric rotating hook set of claim 1, wherein: the anti-falling hook (14) is connected to the outer sides of the left side and the right side of the lifting hook fork (12) on the lifting hook shaft (13), the anti-falling hook (14) is arranged like a triangle and covers the lower part of the lifting hook fork (12), and the anti-falling hook (14) is provided with a balancing weight (15) at the rear side of the lifting hook (11); an oil cup (16) is further arranged on the right side of the lifting hook shaft (13).

3. The electric rotating hook set of claim 2, wherein: the outside of lower clutch (34) is provided with annular groove (341), is connected with handle portion (30) through annular groove (341) cartridge, handle portion (30) are including shifting fork rod (301), one end of shifting fork rod (301) articulates in a vertical backup pad, the other end is the handle end, shifting fork rod (301) are being close to lower clutch (34) department is provided with cartridge (302) of cartridge annular groove (341).

4. An electric rotating hook set according to claim 3, wherein: a return spring (303) is sleeved outside the connecting driving shaft (22) between the lower clutch (34) and the lifting hook nut (33).

5. The electric rotating hook set according to claim 4, wherein: a bolt (304) is arranged on the vertical support plate near the handle end of the shifting fork rod (301).

6. The electric rotating hook set of claim 5, wherein: the left side and the right side of the motor protection cover (38) and the left side and the right side of the upper supporting plate (39) are respectively provided with a pulley part (4), and the pulley parts (4) are connected with the crane through steel wires.

7. The electric rotating hook set of claim 6, wherein: the pulley part (4) comprises pulley frames (41) fixedly connected with a plurality of vertical supporting plates, coaxial pulley shafts (42) are horizontally arranged on the two pulley frames (41), two pulleys (43) are arranged on each pulley shaft (42), and each pulley (43) is connected with the crane through a steel wire rope.

8. The electric rotating hook set of claim 7, wherein: the outer side of the pulley frame (41) on the right side is provided with a cable fixing frame (44) and is fixedly provided with a cable connected with the rotating motor (37); the outer side of the vertical supporting plate positioned at the left side is close to the lower part and is provided with a junction box (45) which is connected with an external power supply.

9. The set of electric rotating hooks according to any one of claims 1-8, wherein: the outside of lifting hook nut (33) still is provided with outside convex keep off iron (331), the outside of keep off iron (331) sets up prevents changeing fork (332) with it is used in coordination, prevent changeing fork (332) and set up through the installing support on fixed support board (31), prevent changeing fork (332) department still sets up prevents changeing switch (333), is used for control prevent changeing fork (332) to the spacing of keep off iron (331).

10. The electric rotating hook set of claim 9, wherein: the outside of the lifting hook nut is provided with a limit switch (334) arranged on the vertical supporting plate through a limit switch seat, the front end of the limit switch (334) is propped against the lifting hook nut (33), and the rotation angle of the lifting hook part (1) is recorded and fed back.