CN213475203U - Anti-swing device for crane lifting appliance - Google Patents

Abstract

The utility model discloses a crane sling anti-swing device, which comprises an anti-swing sling mechanism and a moving mechanism; prevent putting hoist mechanism: the crane lifting appliance anti-swing device comprises a base, wherein three rectangular through holes are formed in a triangular shape on the base, the left side and the right side of each rectangular through hole are connected with a winding shaft through bearings, the left end of the middle winding shaft is provided with a first servo motor, the first servo motor is installed on the left side of the base through an installation mechanism, the right end of each three winding shaft penetrates through the right side of the base, the right ends of the two winding shafts on the front side and the rear side are provided with a first gear, the right end of the middle winding shaft is provided with a double gear, the double gear is connected with the two gears through chains respectively, a steel wire is arranged inside each three rectangular through holes and arranged on the side of each three winding shaft, and the other end of each three steel wire is connected with a lifting hook.

Description

Anti-swing device for crane lifting appliance

Technical Field

The utility model relates to a hoist technical field specifically is a hoist anti-swing device.

Background

The English name of the lifting appliance refers to a device for lifting a heavy object in a lifting machine, the most commonly used lifting appliances for lifting finished objects are lifting hooks and lifting straps, and other lifting rings, lifting suckers, clamps, forks and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a hoist anti-swing device, can prevent the hoist swing, avoid stability not good, improved the security, reduced the risk factor, problem in the background art can effectively be solved in convenient to use person's use.

In order to achieve the above object, the utility model provides a following technical scheme: a crane sling anti-swing device comprises an anti-swing sling mechanism and a moving mechanism;

prevent putting hoist mechanism: the three-dimensional anti-falling device comprises a base, wherein three rectangular through holes are formed in the base in a triangular shape, the left sides and the right sides of the three rectangular through holes are connected with winding shafts through bearings, the left end of the middle winding shaft is provided with a first servo motor, the first servo motor is installed on the left side of the base through an installation mechanism, the right ends of the three winding shafts penetrate through the right side of the base, the right ends of the two winding shafts on the front side and the rear side are provided with a first gear, the right end of the middle winding shaft is provided with a double gear, the double gear is respectively connected with the two first gears through chains, steel wires are arranged inside the three rectangular through holes and on the side surfaces of the three winding shafts, the other ends of the three steel wires are connected with lifting hooks, anti-falling mechanisms are arranged on the;

a moving mechanism: the device comprises two cross-shaped guide rails, wherein circular grooves are formed in the sides, close to each other, of the two cross-shaped guide rails, a second servo motor is arranged inside the circular grooves, and a second gear is arranged on an output shaft of the second servo motor;

the two cross-shaped guide rails are arranged on the bottom side of the base, and the input ends of the first servo motor and the second servo motor are electrically connected with the output end of the external control switch group.

Further, installation mechanism includes fixed silk and mount pad, the left side of base is fixed with the mount pad through the fixed silk, servo motor is installed on the mount pad, is convenient for carry out fixed mounting to servo motor.

Further, anti-falling mechanism includes clockwork spring, pivot and fender ring, it has the pivot to cup joint through the through-hole on the lifting hook, the side of pivot is equipped with clockwork spring, the side at the through-hole is fixed to clockwork spring's the other end, be equipped with in the pivot and keep off the ring, and keep off the ring and cup joint at the tip of lifting hook, the resilience type of clockwork spring self drives the pivot and rotates, and the pivot is rotated and can be made to keep off the ring and block the opening part of lifting hook, prevents that the during operation from taking place to drop.

Further, stop gear includes electric telescopic handle, spout and annular stopper, and the spout has all been seted up to both sides around the three rectangle through-hole, the left end of spout is equipped with electric telescopic handle, electric telescopic handle's right-hand member is equipped with annular stopper, and the steel wire runs through the inside of annular stopper, annular stopper and spout sliding connection, the inside side of annular stopper is equipped with antifriction mechanism, the output of external control switch group is connected to electric telescopic handle's input electricity, and electric telescopic handle stretches out and promotes annular stopper and remove along the spout, and then makes annular stopper drive the steel wire spacing, and then can make the even winding of steel wire on the winding shaft.

Furthermore, antifriction mechanism includes ball-type recess and spheroid, the inside side array distribution of annular stopper has the ball-type recess, the inside roll connection of ball-type recess has the spheroid, makes the steel wire pulling spheroid roll in the inside of ball-type recess when the steel wire moves along annular stopper, and then to having reduced the friction between steel wire and the annular stopper, has prevented to reduce the life-span of steel wire.

Compared with the prior art, the beneficial effects of the utility model are that: this hoist anti-swing device has following benefit:

1. the cross-shaped guide rail is clamped on the guide rail outside, so that the separation can be avoided, the second gear is meshed on the guide rail outside, the second gear is driven to rotate by the second servo motor, the base is driven to move, and the use is convenient for a user.

2. A servo motor during operation drives the double gear through middle winding axle and rotates, and the double gear passes through a chain and drives two gear pivot, and then makes three winding axle rotate simultaneously, and then makes three steel wire winding drive the lifting hook on the winding axle and reciprocate, and three steel wire form triangle-shaped, can prevent the hoist swing, avoids stability not good, has improved the security, has reduced the risk factor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the structural position-limiting mechanism of the present invention;

FIG. 3 is a schematic sectional view of the structure moving mechanism of the present invention;

fig. 4 is the schematic sectional view of the structure anti-falling mechanism of the present invention.

In the figure: the lifting device comprises an anti-swing lifting tool mechanism 1, a first gear 11, a double gear 12, a base 13, a lifting hook 14, a winding shaft 15, a rectangular through hole 16, a steel wire 17, a first servo motor 18, a moving mechanism 2, a cross-shaped guide rail 21, a second gear 22, a second servo motor 23, a circular groove 24, a 3-mounting mechanism 31, a fixing wire 32, a mounting seat 4, a limiting mechanism 41, an electric telescopic rod 42, a sliding groove 43, an annular limiting block 5, an anti-friction mechanism 51, a spherical groove 51, a spherical body 52, an anti-falling mechanism 6, a clockwork spring 61, a rotating shaft 62 and a retaining ring 63.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a crane sling anti-swing device comprises an anti-swing sling mechanism 1 and a moving mechanism 2; prevent putting hoist mechanism 1: the three-dimensional anti-falling device comprises a base 13, three rectangular through holes 16 are formed in the base 13 in a triangular shape, the left side and the right side of each rectangular through hole 16 are connected with a winding shaft 15 through a bearing, a servo motor I18 is arranged at the left end of the middle winding shaft 15, the servo motor I18 is arranged at the left side of the base 13 through an installation mechanism 3, the right ends of the three winding shafts 15 penetrate through the right side of the base 13, gears I11 are arranged at the right ends of the two winding shafts 15 at the front side and the rear side, a double gear 12 is arranged at the right end of the middle winding shaft 15, the double gear 12 is respectively connected with the two gears I11 through chains, steel wires 17 are arranged on the side surfaces of the three winding shafts 15 in the three rectangular through holes 16, lifting hooks 14 are connected with the other ends of the three steel wires 17, anti-falling mechanisms 6 are arranged on the lifting hooks, when the servo motor I18 works, the double gears 12 are driven to rotate through the middle winding shaft 15, the double gears 12 drive the first two gears 11 to rotate through the chains, so that the three winding shafts 15 rotate simultaneously, the three steel wires 17 are wound on the winding shafts 15 to drive the lifting hooks 14 to move up and down, the three steel wires 17 form a triangle, the lifting appliance can be prevented from swinging, poor stability is avoided, safety is improved, and danger factors are reduced; the mounting mechanism 3 comprises a fixing wire 31 and a mounting seat 32, the mounting seat 32 is fixed on the left side of the base 13 through the fixing wire 31, the first servo motor 18 is mounted on the mounting seat 32, so that the first servo motor 18 can be fixedly mounted, the anti-falling mechanism 6 comprises a spring 61, a rotating shaft 62 and a retaining ring 63, the rotating shaft 62 is sleeved on the lifting hook 14 through a through hole, the spring 61 is arranged on the side surface of the rotating shaft 62, the other end of the spring 61 is fixed on the side surface of the through hole, the retaining ring 63 is arranged on the rotating shaft 62, the retaining ring 63 is sleeved on the end part of the lifting hook 14, the rotating shaft 62 is driven to rotate by the resilience of the spring 61, the retaining ring 63 can block the opening of the lifting hook 14 through the rotation of the rotating shaft 62, the anti-falling of the anti-falling mechanism 4 is prevented during working, the limiting mechanism 4 comprises an electric telescopic rod 41, an electric telescopic rod 41 is arranged at the left end of the sliding groove 42, an annular limiting block 43 is arranged at the right end of the electric telescopic rod 41, the steel wire 17 penetrates through the inside of the annular limiting block 43, the annular limiting block 43 is connected with the sliding groove 42 in a sliding manner, an anti-friction mechanism 5 is arranged on the inner side face of the annular limiting block 43, the input end of the electric telescopic rod 41 is electrically connected with the output end of the external control switch group, the electric telescopic rod 41 extends out to push the annular limiting block 43 to move along the sliding groove 42, so that the annular limiting block 43 drives the steel wire 17 to limit, the steel wire 17 can be uniformly wound on the winding shaft 15, the anti-friction mechanism 5 comprises a spherical groove 51 and a spherical body 52, spherical grooves 51 are distributed on the inner side face of the annular limiting block 43 in an array manner, the spherical body 52 is connected, and then to the friction that has reduced between steel wire 17 and the annular stopper 43, prevent to reduce the life-span of steel wire 17's use, moving mechanism 2: the two cross-shaped guide rails 21 are provided, circular grooves 24 are formed in the mutually close sides of the two cross-shaped guide rails 21, a second servo motor 23 is arranged inside the circular grooves 24, a second gear 22 is arranged on an output shaft of the second servo motor 23, the cross-shaped guide rails 21 are clamped on the outer guide rails, the second gear 22 can be prevented from being separated, the second gear 22 is meshed with the outer guide rails, the second servo motor 23 works to drive the second gear 22 to rotate, and further the base 13 is driven to move, so that the use of a user is facilitated; wherein, two cross guide rails 21 are arranged at the bottom side of the base 13, and the input ends of the first servo motor 18 and the second servo motor 23 are electrically connected with the output end of the external control switch group.

When in use: cross guide rail 21 card is at outside guide rail, can avoid taking place to break away from, and make two 22 meshing of gear on the guide rail of outside, two 23 work of servo motor drive two 22 rotations of gear, and then drive base 13 and remove, convenient to use person's use, servo motor 18 during operation drives double gear 12 through middle winding axle 15 and rotates, double gear 12 drives two 11 pivots of gear through the chain, and then make three winding axle 15 rotate simultaneously, and then make three steel wire 17 twines and drive lifting hook 14 on winding axle 15 and reciprocate, three steel wire 17 form triangle-shaped, can prevent the hoist swing, avoid stability not good, the security has been improved, dangerous factor has been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hoist anti-swing device which characterized in that: comprises an anti-swing lifting appliance mechanism (1) and a moving mechanism (2);

anti-swing hanger mechanism (1): the device comprises a base (13), wherein three rectangular through holes (16) are formed in a triangular shape on the base (13), the left side and the right side of each rectangular through hole (16) are connected with a winding shaft (15) through bearings, a first servo motor (18) is arranged at the left end of the middle winding shaft (15), the first servo motor (18) is arranged on the left side of the base (13) through an installation mechanism (3), the right ends of the three winding shafts (15) penetrate through the right side of the base (13), first gears (11) are arranged at the right ends of the two winding shafts (15) on the front side and the rear side, double gears (12) are arranged at the right ends of the middle winding shaft (15), the double gears (12) are respectively connected with the two first gears (11) through chains, steel wires (17) are arranged on the side faces of the three winding shafts (15) inside the three rectangular through holes (16), and lifting hooks (14) are connected with the other ends, the lifting hook (14) is provided with an anti-falling mechanism (6), the side surfaces of the three rectangular through holes (16) are provided with limiting mechanisms (4), and steel wires (17) penetrate through the limiting mechanisms (4);

moving mechanism (2): the device comprises two cross-shaped guide rails (21), wherein circular grooves (24) are formed in the sides, close to each other, of the two cross-shaped guide rails (21), a second servo motor (23) is arranged inside the circular grooves (24), and a second gear (22) is arranged on an output shaft of the second servo motor (23);

the two cross-shaped guide rails (21) are arranged on the bottom side of the base (13), and the input ends of the first servo motor (18) and the second servo motor (23) are electrically connected with the output end of the external control switch group.

2. The crane spreader anti-swing device according to claim 1, wherein: installation mechanism (3) are including fixed silk (31) and mount pad (32), the left side of base (13) is fixed with mount pad (32) through fixed silk (31), servo motor (18) are installed on mount pad (32).

3. The crane spreader anti-swing device according to claim 1, wherein: prevent falling mechanism (6) and include clockwork spring (61), pivot (62) and keep off ring (63), pivot (62) have been cup jointed through the through-hole on lifting hook (14), the side of pivot (62) is equipped with clockwork spring (61), the side at the through-hole is fixed to the other end of clockwork spring (61), be equipped with on pivot (62) and keep off ring (63), and keep off ring (63) and cup joint the tip at lifting hook (14).

4. The crane spreader anti-swing device according to claim 1, wherein: stop gear (4) include electric telescopic handle (41), spout (42) and annular stopper (43), and spout (42) have all been seted up to both sides around three rectangle through-hole (16), the left end of spout (42) is equipped with electric telescopic handle (41), the right-hand member of electric telescopic handle (41) is equipped with annular stopper (43), and steel wire (17) run through the inside of annular stopper (43), annular stopper (43) and spout (42) sliding connection, the inside side of annular stopper (43) is equipped with antifriction mechanism (5), the output of external control switch group is connected to the input electricity of electric telescopic handle (41).

5. The crane spreader anti-swing device according to claim 4, wherein: the anti-friction mechanism (5) comprises spherical grooves (51) and spheres (52), the spherical grooves (51) are distributed on the inner side surface array of the annular limiting block (43), and the spheres (52) are connected to the inner parts of the spherical grooves (51) in a rolling mode.

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