CN216918304U - Lifting hook rotating device - Google Patents

Abstract

The utility model is suitable for the technical field of lifting hooks, and provides a hook rotating device which comprises a main body beam arranged in a lifting hook, a rotating assembly arranged on the main body beam and a hook head; the rotating assembly comprises a rotary power source, a rotating shaft, a central gear and a speed change mechanism, the rotary power source and the speed change mechanism are arranged in the lifting hook, the rotating shaft penetrates through the main body beam, the central gear is coaxially and fixedly connected to the rotating shaft, and the rotary power source drives the central gear to rotate through the speed change mechanism; the hook head is fixed at one end of the rotating shaft far away from the central gear; the application provides a lifting hook rotary device structure is succinct, and the operation of being convenient for can realize the autogiration of lifting hook gib head, and the rotational speed is lower, is convenient for control gyration angle, and the practicality is strong.

Description

Lifting hook rotating device

Technical Field

The utility model belongs to the technical field of lifting hooks, and particularly relates to a lifting hook rotating device.

Background

The dye storage box of the nuclear power station needs to be horizontally pulled in a factory building with limited space during hoisting, and the dye storage box is rotated by 90 degrees. The prior art usually adopts a worker to slide a rope to drag in the process, and the technical means has the following defects:

1. the nuclear fuel storage box is remotely pulled through manpower, so that the shaking amplitude is large, and the precision of an internal detection accelerometer is influenced;

2. risks exist in the process of hole edge operation and conversion of the tractors;

3. the nuclear fuel storage box is changed in direction in a limited workshop, and heavy objects move above workers, so that the risk of falling to hurt people exists;

4. the risk that the upper part of a hung object pulls a sliding rope to hang and touch field equipment exists;

5. the fuel assembly is hung in a water tank, and the damage of high-contamination and high-dose irradiation areas to contamination and irradiation inside and outside workers exists.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a hook rotating device, which at least effectively solves the problem that a large number of unsafe risks exist in manual rope sliding dragging of workers in the prior art.

The embodiment of the application provides a lifting hook rotating device, which comprises a main body beam fixed inside a lifting hook, a rotating assembly arranged on the main body beam and a hook head;

the rotating assembly comprises a rotating power source, a rotating shaft, a central gear and a speed change mechanism, the rotating power source and the speed change mechanism are arranged in the lifting hook, the rotating shaft penetrates through and is rotatably connected to the main body beam, the central gear is coaxially and fixedly connected to the rotating shaft, and the rotating power source drives the central gear to rotate through the speed change mechanism;

the hook head is fixed at one end of the rotating shaft, which is far away from the central gear.

This embodiment structure is succinct, and the operation of being convenient for can utilize remote control to realize the rotation of gib head to drive the material and rotate, avoided the physical risk that the manual swift current rope of staff pulled and shine the harm.

In one embodiment, the main beam is provided with a clamping plate fixing device, and the rotary power source and the speed change mechanism are fixed in the lifting hook through the clamping plate fixing device.

In an embodiment, the clamping plate fixing device includes a clamping plate fixedly connected to the main beam, and an electromagnetic chuck device is disposed on the clamping plate to slidably dispose the rotation power source and the speed change mechanism in the hook.

In one embodiment, the speed change mechanism includes a power gear coupled to the source of rotational power, the power gear being in meshing engagement with the sun gear.

In one embodiment, the gear ratio between the power gear and the sun gear is greater than one.

The embodiment provides a simple speed change mechanism, and different mechanisms are designed according to different rotary power sources, so that stable power output is ensured.

In one embodiment, the speed change mechanism further comprises an arc-shaped inner gear ring and a first speed change gear, the arc-shaped inner gear ring and the first speed change gear are arranged on the main body beam, the power gear is meshed with the first speed change gear, and the first speed change gear is meshed with the arc-shaped inner gear ring.

In one embodiment, the transmission ratio between the power gear and the first speed gear is greater than one, and the transmission ratio between the first speed gear and the arc-shaped inner gear ring is greater than one.

In this embodiment, under the effect of arc ring gear and first change gear, sun gear's rotational speed further reduces, and the moment of torsion further increases for gib head gyration process can be more stable, also can make the drive gib head that the gyration power supply can be better simultaneously and the material is rotatory.

In an embodiment, the speed change mechanism further includes an arc-shaped inner ring gear, a first speed change gear and a second speed change gear, the arc-shaped inner ring gear, the first speed change gear and the second speed change gear are arranged on the main body beam, the power gear is meshed with the first speed change gear, the first speed change gear is meshed with the second speed change gear, and the second speed change gear is meshed with the arc-shaped inner ring gear.

In one embodiment, the transmission ratios between the power gear and the first speed change gear, between the first speed change gear and the second speed change gear, and between the second speed change gear and the arcuate ring gear are all greater than one.

Compared with the embodiment only provided with the power gear, the rotating speed of the central gear is reduced to some extent, the rotating mechanism is more suitable for the condition that the rotating power source is the rotating cylinder, the rotating angle of the rotating cylinder is relatively limited, the speed reducing mechanism in the embodiment can guarantee circumferential movement of the hook head in the rotating angle of the rotating cylinder, and meanwhile, the effects of speed reduction and torque increase can be achieved.

In one embodiment, the central gear is fixedly connected with a signal receiver, the signal receiver is used for receiving a control signal of an external remote control device, and the signal receiver is electrically connected with the rotary power source.

This application drags the problem that has a large amount of unsafe risks to the manual swift current rope of staff and makes improvement design in to prior art, rotates the gib head and sets up in the lifting hook, utilizes the rotatory power supply of turning back to control the rotation of gib head, realizes gib head autogiration's function, sets up speed change mechanism and sun gear simultaneously, utilizes speed change mechanism to slow down the rotational speed of gyration power supply output to accomplish the more accurate control to gyration angle.

This application structure is succinct, and the operation of being convenient for can realize the autogiration of lifting hook gib head, and the rotational speed is lower, is convenient for control gyration angle, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a hook rotating device provided in an embodiment of the present application.

Fig. 2 is a front view schematically showing the hook rotating device shown in fig. 1.

FIG. 3 is a schematic top view of one embodiment of a rotating assembly in the hook rotating apparatus of FIG. 1.

Fig. 4 is a schematic top view of another embodiment of the rotating group in the hook rotating apparatus shown in fig. 1.

Fig. 5 is a front view of a rotating assembly in the hook rotating apparatus shown in fig. 1.

The designations in the figures mean:

1. a main body beam; 11. a splint fixing device; 111. a splint; 112. an electromagnetic chuck device;

2. a rotating assembly; 21. a rotating shaft; 22. a sun gear; 23. a speed change mechanism; 231. a power gear; 232. an arc-shaped inner gear ring; 233. a first speed change gear; 234. a second speed change gear; 24. a rotary power source;

3. a hook head; 4. a signal receiver.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "up", "down", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In order to explain the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.

This embodiment provides a lifting hook rotary device, can initiatively turn around the lifting hook to in adjustment hoist and mount angle when hoist and mount in narrow and small space.

Referring to fig. 1 and 2, the lifting hook rotating device provided by the embodiment includes a main beam 1 installed inside the lifting hook, wherein the lifting hook is a common lifting hook, the lifting hook includes two hollow disc-shaped shells, the two shells are connected with each other through a connecting shaft, the two shells are internally and rotatably connected with a pulley, a steel wire rope of a crane bypasses the pulley and controls the height of the lifting hook, the connecting shaft and the two shells are coaxially and fixedly connected, the main beam 1 is located between the two shells, two ends of the main beam are respectively connected with the two shells, and the main beam 1 is used for providing a fixed foundation for a subsequent structure.

Referring to fig. 2, the hook rotating device provided in this embodiment further includes a rotating assembly 2 and a hook head 3, where the rotating assembly 2 includes a revolving power source 24, a rotating shaft 21, a central gear 22 and a speed changing mechanism 23, the revolving power source 24 is used to provide circumferential rotation driving force, which may be various common power sources, such as a motor or a revolving cylinder, and the revolving power source 24 may control its operating state through a remote control console or a remote controller.

The pivot 21 passes main part roof beam 1 and rotates and connect in main part roof beam 1, sun gear 22 is fixed in pivot 21 one end and coaxial with pivot 21, sun gear 22 rotates and can drives pivot 21 synchronous rotation, gib head 3 is fixed in the other end that pivot 21 kept away from sun gear 22, sun gear 22 rotates and can drive gib head 3 synchronous rotation through pivot 21, sun gear 22 is located between two shells, gib head 3 is common lifting hook gib head 3 promptly for hook wire rope or direct hook material.

The speed change mechanism 23 is arranged on the main body beam 1, the speed change mechanism 23 is connected with the rotary power source 24 and the central gear 22 at the same time, and the speed change mechanism 23 is used for reducing the rotating speed output by the rotary power source 24, so that the rotating shaft 21 can rotate at a slow speed, namely the hook head 3 can synchronously rotate slowly, and the hook head 3 is ensured to rotate to drive materials to rotate stably.

In this embodiment, an additional locking mechanism is not provided, and the locking of the hook head 3 depends on the locking of the rotary power source 24, so that the speed reduction mechanism can also reduce the impact from the hook head 3 received by the rotary power source 24 when locking, thereby reducing the high load of the rotary power source 24 which may occur in the locking process, and ensuring the stability of the locking and the service life of the rotary power source 24.

This embodiment is when specifically using, and the material is hooked on gib head 3, when needs the material to rotate, need not the staff swift current rope and pulls, only need through remote controller control gyration power supply 24 work and drive gib head 3 rotate can.

This embodiment structure is succinct, and the operation of being convenient for can utilize remote control to realize the rotation of gib head 3 to drive the material and rotate, avoided the physical risk that the manual swift current rope of staff pulled and shine harm.

Referring to fig. 2, in an embodiment, the main beam 1 is provided with a clamp plate fixing device 11, and the rotary power source 24 and the speed change mechanism 23 are fixed in the hook through the clamp plate fixing device 11, specifically, a base plate is arranged in the hook, the rotary power source 24 and the speed change mechanism 23 are fixed on the base plate, the base plate and the main beam 1 are respectively arranged along the axial direction of the shell of the hook, and the clamp plate fixing device 11 provides support for the base plate.

Referring to fig. 2 and 5, alternatively, the clamping plate fixing device 11 includes a clamping plate 111 fixedly connected to the main body beam 1, a side wall of the clamping plate 111 is fixed to the housing, one end of the clamping plate 111 is fixed to the main body beam 1, an electromagnetic chuck device 112 is provided on the clamping plate 111, the electromagnetic chuck device 112 is provided on an end surface of the clamping plate 111, and the electromagnetic chuck device 112 electromagnetically adsorbs the substrate, so as to fix the rotation power source 24 and the speed change mechanism 23 in the hook, while the substrate can slide or rotate in the hook.

Optionally, there are two clamping plates 111, the side walls of the two clamping plates 111 are respectively fixed to the two shells, one ends of the two clamping plates 111 are fixed to the main beam 1, and one ends of the two clamping plates 111 are respectively provided with an electromagnetic chuck device 112, so that the substrate is stably supported.

In fig. 5, in an embodiment, the speed change mechanism 23 includes a power gear 231 connected to the rotary power source 24, the power gear 231 is engaged with the central gear 22, and the rotation of the power gear 231 can drive the central gear 22 to rotate synchronously, so as to drive the hook head 3 to rotate through the rotating shaft 21.

Alternatively, the transmission ratio between the power gear 231 and the central gear 22 is greater than one, that is, the power gear 231 and the central gear 22 together form a speed reducing mechanism, so that the rotation speed of the central gear 22 is reduced while the output torque is increased, and in this case, the rotary power source 24 is preferably a motor.

The rotary power source 24 can also be a rotary cylinder, and because the rotary cylinder is usually limited in rotary angle, when the rotary power source 24 is a rotary cylinder, the scheme that the transmission ratio of the power gear 231 and the central gear 22 is less than one can better ensure the full circumferential rotation of the hook head 3.

The present embodiment provides a simple speed change mechanism 23, which is designed differently according to the rotary power source 24, thereby ensuring stable output of power.

Referring to fig. 3, in an embodiment, the speed change mechanism 23 further includes an arc-shaped internal gear 232 and a first speed change gear 233 which are disposed on the main body beam 1, the power gear 231 is engaged with the first speed change gear 233, the first speed change gear 233 is engaged with the arc-shaped internal gear 232, the first speed change gear 233 is rotatably connected to the base plate, the arc-shaped internal gear 232 is also fixed to the clamping plate 111, the power gear 231 rotates to drive the first speed change gear 233 and the central gear 22 to rotate, at this time, the central gear 22 rotates to drive the hook head 3 to rotate through the rotating shaft 21, because the arc-shaped inner gear ring 232 is fixed on the clamping plate 111 and the main beam 1, the clamping plate 111 and the main beam 1 are fixedly connected with the shell, the shell is directly connected with the crane through the steel wire rope, since the first speed change gear 233 does not rotate in the process, the base plate slowly rotates around the rotary shaft 21 while the first speed change gear 233 rotates, and the rotation speed of the sun gear 22 is further reduced.

Referring to fig. 3, alternatively, if the transmission ratio between the power gear 231 and the first speed gear 233 is greater than one, and the transmission ratio between the first speed gear 233 and the arc-shaped inner gear ring 232 is greater than one, the base plate will only rotate slowly in this arrangement, because the rotation requirement of the hook head 3 in actual use is usually ± 180 °, in which case, the base plate will only rotate at a small angle.

Under the condition that the transmission ratios between the power gear 231 and the first speed change gear 233, between the first speed change gear 233 and the arc-shaped inner gear ring 232 are all smaller than one, the speed reduction capability of the speed change mechanism 23 is stronger, the speed can be reduced better, the torque can be further increased, and a motor with smaller power can be placed in a narrow space of the lifting hook to achieve a good rotating effect of the hook head 3.

In this embodiment, under the action of the arc-shaped inner gear ring 232 and the first speed change gear 233, the rotation speed of the sun gear 22 is further reduced, and the torque is further increased, so that the rotation process of the hook head 3 can be more stable, and the rotation power source 24 can better drive the hook head 3 and the material to rotate.

Referring to fig. 4, in an embodiment, the speed change mechanism 23 further includes an arc-shaped inner gear 232, a first speed change gear 233 and a second speed change gear 234, the first speed change gear 233 and the second speed change gear 234 are both rotatably connected to the base plate, the arc-shaped inner gear 232 is also fixed to the clamp plate 111, the power gear 231 is engaged with the first speed change gear 233, the first speed change gear 233 is engaged with the second speed change gear 234, the second speed change gear 234 is engaged with the arc-shaped inner gear 232, the power gear 231 is rotated to drive the first speed change gear 233 and the central gear 22 to rotate, at this time, the central gear 22 is rotated to drive the hook head 3 to rotate through the rotating shaft 21, and because the arc-shaped inner gear 232 is fixed to the clamp plate 111 and the main beam 1, and the clamp plate 111 and the main beam 1 are both fixedly connected to the housing, which is directly connected to the crane through the wire rope and does not rotate in the process, so that the power gear 231 drives the first speed change gear 233 and the second speed change gear 234 to rotate, the base plate also rotates slowly, and at this time, the rotation speed of the sun gear 22 is further reduced, but the rotation speed of the sun gear 22 is higher in the present embodiment in comparison with the embodiment having only the first speed change gear 233 in the case where the output rotation speed of the turning power source 24 is the same.

Referring to fig. 4, alternatively, the transmission ratios between the power gear 231 and the first speed change gear 233, the first speed change gear 233 and the second speed change gear 234, the second speed change gear 234 and the arc-shaped inner gear ring 232 are all larger than one, and the base plate can only rotate slowly in the setting, because the rotation requirement of the hook head 3 in actual use is usually ± 180 °, in which case, the base plate can only rotate at a small angle.

Compared with the embodiment with only the power gear 231, the rotation speed of the central gear 22 in the embodiment is reduced, which is more suitable for the case that the rotary power source 24 is a rotary cylinder, the rotary angle of the rotary cylinder is relatively limited, and the speed reducing mechanism in the embodiment can ensure that the circumferential movement of the hook head 3 is ensured within the rotary angle of the rotary cylinder, and can also realize the effects of speed reduction and torque increase.

Referring to fig. 3 and 4, in some embodiments, the sun gear 22 is fixedly connected to the signal receiver 4, the signal receiver 4 is configured to receive a control signal from an external remote control device, the signal receiver 4 is electrically connected to the rotary power source 24, the external remote control device can listen to the signal receiver 4 to control the operating state of the rotary power source 24, and the external remote control device may be a remote controller, a console, or other common wireless remote control device.

This application is when specifically using, and the material is hooked on gib head 3, when needs the material to rotate, need not the staff swift current rope and pulls, only need through remote controller control gyration power supply 24 work can, under reduction gears's effect, gib head 3 can slowly rotate and drive the stable rotation of material.

This application drags the problem that has a large amount of unsafe risks to the manual swift current rope of staff in the prior art and makes improved design, rotates gib head 3 and sets up in the lifting hook, utilizes gyration power supply 24 to control the rotation of gib head 3, realizes the function of gib head 3 autogiration, sets up speed change mechanism 23 and sun gear 22 simultaneously, utilizes speed change mechanism 23 to slow down the rotational speed of gyration power supply 24 output to accomplish more accurate control to rotation angle.

The automatic rotation hook has the advantages that the structure is simple, the operation is convenient, the automatic rotation of the hook head 3 of the lifting hook can be realized, and the dragging of a manual sliding rope is replaced, so that the risk that the sliding rope is hung on field equipment is avoided, the risk in the processes of edge operation and conversion of holes of workers is avoided, and the contamination and irradiation damage to the workers when fuel assemblies are hung in a water tank are also avoided; the working state of the device can be remotely controlled by a worker at a far position, so that the risk that the worker is injured by falling objects at high altitude is avoided; the rotating speed of the hook head 3 is low, the rotating angle is convenient to control, stable rotation of materials can be achieved, and therefore the precision of the nuclear fuel tank internal detection accelerometer is guaranteed.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. The lifting hook rotating device is characterized by comprising a main body beam (1) fixed inside a lifting hook, a rotating assembly (2) arranged on the main body beam (1) and a hook head (3);

the rotating assembly (2) comprises a rotating power source (24), a rotating shaft (21), a central gear (22) and a speed change mechanism (23), the rotating power source (24) and the speed change mechanism (23) are arranged in the lifting hook, the rotating shaft (21) can rotatably penetrate through the main body beam (1), the central gear (22) is coaxially and fixedly connected to the rotating shaft (21), and the rotating power source (24) drives the central gear (22) to rotate through the speed change mechanism (23);

the hook head (3) is fixed at one end of the rotating shaft (21) far away from the central gear (22).

2. A hook turning device according to claim 1, characterized in that the body beam (1) is provided with a clamp plate fixing device (11), and the turning power source (24) and the gear change mechanism (23) are fixed in the hook by the clamp plate fixing device (11).

3. A hook rotation device, as claimed in claim 2, characterized in that the clamp plate fixing means (11) comprises a clamp plate (111) fixedly connected to the main beam (1), and an electromagnetic chuck device (112) is provided on the clamp plate (111) to slidably mount the rotary power source (24) and the speed change mechanism (23) in the hook.

4. A hook rotation device according to claim 1, wherein the speed change mechanism (23) comprises a power gear (231) connected to the rotary power source (24), the power gear (231) being in mesh with the sun gear (22).

5. A hook rotation device according to claim 4, wherein the transmission ratio between the power gear (231) and the sun gear (22) is greater than one.

6. A hook rotation device according to claim 4 or 5, wherein the speed change mechanism (23) further comprises an arc-shaped internal gear (232) and a first speed change gear (233) provided to the body beam (1), the power gear (231) is engaged with the first speed change gear (233), and the first speed change gear (233) is engaged with the arc-shaped internal gear (232).

7. A hook rotation device according to claim 6, wherein the transmission ratio between the power gear (231) and the first speed gear (233) is greater than one, and the transmission ratio between the first speed gear (233) and the arcuate inner gear ring (232) is greater than one.

8. A hook rotation device, according to claim 4 or 5, characterized in that the gear change mechanism (23) further comprises an arcuate inner gear ring (232), a first speed change gear (233) and a second speed change gear (234) provided to the body beam (1), the power gear (231) is engaged with the first speed change gear (233), the first speed change gear (233) is engaged with the second speed change gear (234), and the second speed change gear (234) is engaged with the arcuate inner gear ring (232).

9. A hook rotation device according to claim 8, wherein the transmission ratios between the power gear (231) and the first speed gear (233), the first speed gear (233) and the second speed gear (234), the second speed gear (234) and the arcuate inner gear ring (232) are all greater than one.

10. A hook rotating device, as claimed in claim 1, wherein a signal receiver (4) is fixedly connected to the sun gear (22), said signal receiver (4) is adapted to receive a control signal from an external remote control device, and said signal receiver (4) is electrically connected to said rotary power source (24).

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