CN221253691U - Rotary supporting device of hoisting equipment - Google Patents

Abstract

The utility model relates to the technical field of hoisting equipment, and provides a rotary supporting device of hoisting equipment, which comprises: a fixing frame; the rotating arm is rotationally connected with the fixing frame and is used for installing hoisting equipment; the limiting seat is fixedly arranged on the fixing frame, and a plurality of clamping grooves are formed in the limiting seat along the circumferential direction of the rotating shaft of the rotating arm at intervals of a preset angle; the limiting component is movably arranged on the rotating arm and is suitable for being switched between a locking position and an unlocking position; in the locking position, the limiting member is limited in the clamping groove, and the rotating arm is limited in the limiting member; in the unlocking position, the limiting member is separated from the clamping groove, and the limiting member is suitable for rotating along with the rotating arm. The rotary supporting device of the lifting equipment can adjust the direction and the angle of the lifting equipment and can prevent the lifting equipment from shaking when the lifting equipment lifts.

Description

Rotary supporting device of hoisting equipment

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a rotary supporting device of lifting equipment.

Background

The electric hoist is used as light hoisting equipment, has the characteristics of small size, light dead weight, simple operation and convenient use, and has been widely used. At present, an electric hoist is provided with a hanging type installation mode, a fixed type installation mode and the like, is mainly suitable for being arranged above a crown block gantry crane, has strict requirements on the use environment and the fixed mode, has the problems of being limited in one direction or angle and the like, and can be in dangerous conditions along with swinging of the heavy object when the heavy object is lifted, so that the working efficiency and the service life of lifting equipment are affected.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the rotary supporting device of the lifting equipment, which not only can adjust the direction and the angle of the lifting equipment, but also can avoid shaking of the lifting equipment when the lifting equipment is lifted.

The rotation support device of the lifting equipment according to the embodiment of the utility model comprises:

a fixing frame;

the rotating arm is rotationally connected with the fixing frame and is used for installing hoisting equipment;

The limiting seat is fixedly arranged on the fixing frame, and a plurality of clamping grooves are formed in the limiting seat along the circumferential direction of the rotating shaft of the rotating arm at intervals of a preset angle;

the limiting component is movably arranged on the rotating arm and is suitable for being switched between a locking position and an unlocking position; in the locking position, the limiting member is limited in the clamping groove, and the rotating arm is limited in the limiting member; in the unlocking position, the limiting member is separated from the clamping groove, and the limiting member is suitable for rotating along with the rotating arm.

Optionally, the rotating arm includes a first support arm, a second support arm, a third support arm and a fourth support arm, and the limiting member includes a U-shaped limiting portion, a limiting plate and a connecting portion;

The first support arm, the second support arm and the third support arm form a triangular frame, and the fourth support arm is connected with the lower part of the third support arm;

The U-shaped limiting part and the limiting plate are arranged on the connecting part, the connecting part is rotationally connected with the fourth supporting arm, and the fourth supporting arm is limited on the U-shaped limiting part;

And in the unlocking position, the limiting plate is separated from the clamping groove, and in the locking position, the limiting plate is inserted into and limited in the clamping groove.

Optionally, the device further comprises a first rotating seat, a first rotating shaft, a second rotating seat and a second rotating shaft;

the first rotating seat and the first rotating shaft are arranged at the top of the fixing frame, and the first supporting arm is rotationally connected with the first rotating shaft;

the second rotating seat and the second rotating shaft are arranged in the middle of the fixing frame, and the second supporting arm is rotationally connected with the second rotating shaft;

the fourth supporting arm is provided with a third rotating shaft, and the third rotating shaft is rotationally connected with the limiting seat.

Optionally, the connecting portion is adapted to rotate around the fourth supporting arm in a vertical direction, so that the limiting plate is inserted into the clamping groove or separated from the clamping groove;

In the process that the connecting part rotates around the fourth supporting arm, the U-shaped limiting part is suitable for moving along the fourth supporting arm, and the fourth supporting arm is always limited at the U-shaped limiting part.

Optionally, the limit seat is provided with three clamping grooves along the circumference of the rotating shaft of the rotating arm at intervals of 90 degrees.

The rotary supporting device of the lifting equipment can adjust the direction and the angle of the lifting equipment and can prevent the lifting equipment from shaking when the lifting equipment lifts. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a rotation supporting device of a lifting device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a limiting seat according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rotary arm according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a limiting member according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a fixing frame according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a use state of a rotary support device of a lifting device according to an embodiment of the present utility model;

FIG. 7 is a second schematic view of a use state of a rotation supporting device of a lifting device according to an embodiment of the present utility model;

fig. 8 is a third schematic view illustrating a use state of the rotation supporting device of the lifting device according to the embodiment of the present utility model.

Reference numerals:

100. a rotary support device of the lifting device;

1. A fixing frame; 2. a rotating arm; 3. a limit seat; 4. a clamping groove; 5. a limiting member; 6. a first support arm; 7. a second support arm; 8. a third support arm; 9. a fourth support arm; 10. a U-shaped limit part; 11. a limiting plate; 12. a connection part; 13. a first rotary base; 14. a first rotating shaft; 15. a second rotating seat; 16. a second rotating shaft; 17. a third rotating shaft; 18. a lifting device; 19. an L-shaped pin shaft;

4.1, a middle clamping groove; 4.2, a right clamping groove; 4.3, left clamping groove.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In order to facilitate adjustment of the direction and angle of lifting equipment and avoid dangers caused by shaking of the lifting equipment during lifting, the application provides a rotary supporting device of the lifting equipment. The following describes the rotary support device of the lifting device according to the application in connection with fig. 1-8. The rotary supporting device of the hoisting equipment is applicable to light hoisting equipment such as electric hoists and the like, and can be applied to the building industry.

Referring to fig. 1 and 2, a rotation support device 100 of a lifting apparatus includes a fixing frame 1, a rotation arm 2, a limit seat 3, and a limit member 5. Wherein, mount 1 can be fixed on the surface of building, and swinging boom 2 rotationally connects in mount 1, and lifting device 18 installs in swinging boom 2, specifically is provided with the mounting hole on the swinging boom 2, and lifting device 18 can be installed in swinging boom 2 through the L-shaped round pin axle 19 that passes this mounting hole, can provide the convenience for dismantling lifting device 18 like this.

As shown in fig. 1, the limiting seat 3 is fixedly installed on the fixing frame 1, and may specifically be installed at the bottom of the fixing frame 1. As shown in fig. 2, the limiting seat 3 may be provided with a plurality of clamping grooves 4 at intervals of a preset angle along the circumferential direction of the rotating shaft of the rotating arm 2. The preset angle may be set according to the requirement, for example, one slot 4 may be set every 60 ° or one slot 4 may be set every 90 °.

The limiting member 5 is movably mounted on the rotating arm 2, and the limiting member 5 is adapted to switch between a locking position and an unlocking position. In the locking position, the limiting component 5 is limited in the clamping groove 4, and the rotating arm 2 is limited in the limiting component 5, so that the rotating arm 2 can be kept fixed, and the danger caused by shaking of the hoisting equipment 18 in the hoisting process is avoided. In the unlocking position, the limiting member 5 is disengaged from the clamping groove 4, so that the rotating arm 2 is rotated, the limiting member 5 can synchronously rotate along with the rotating arm 2, and when the lifting equipment 18 is adjusted to a required direction/angle, the limiting member 5 can be rotated, and the limiting member 5 is inserted into the clamping groove 4, so that the rotating arm 2 is fixed. In this way, the direction/angle of the lifting device 18 can be adjusted as required to accommodate different working scenarios.

In one embodiment, the limiting seat 3 may be detachably connected to the fixing frame 1, and a plurality of limiting seats 3 may be provided, where each limiting seat 3 is provided with a plurality of clamping grooves 4 according to different preset angles, so that the limiting seat 3 may be replaced according to the requirements, thereby further adjusting the direction/angle of the lifting device 18.

As shown in fig. 1, 3 and 4, in a rotary support device 100 of a lifting device according to an embodiment of the present application, a rotary arm 2 includes a first support arm 6, a second support arm 7, a third support arm 8 and a fourth support arm 9, and a limiting member 5 includes a U-shaped limiting portion 10, a limiting plate 11 and a connecting portion 12.

Wherein the first support arm 6, the second support arm 7 and the third support arm 8 form a triangular frame, which can improve the stability of the rotating arm 2, thereby improving the bearing capacity of the rotating arm 2.

As shown in fig. 1 and 3, the fourth supporting arm 9 is connected with the lower part of the third supporting arm 8, the lifting device 18 is mounted on the third supporting arm 8, the U-shaped limiting portion 10 and the limiting plate 11 of the limiting member 5 are arranged on the connecting portion 12, the connecting portion 12 is rotatably connected with the fourth supporting arm 9, and the fourth supporting arm 9 is limited on the U-shaped limiting portion 10. In the unlocked position, the limiting plate 11 is disengaged from the clamping groove 4, so that the fourth supporting arm 9 can rotate around the fixing frame 1, and the orientation/angle of the lifting device 18 can be adjusted. In the locked position, the limiting plate 11 is inserted into and limited to the clamping groove 4, so that the U-shaped limiting part 10 cannot rotate, and the fourth supporting arm 9 is fixed, namely the rotation of the rotating arm 2 is limited, and the lifting equipment 18 is fixed.

The first support arm 6, the second support arm 7, the third support arm 8 and the fourth support arm 9 may be fixedly connected by welding, so that stability of the rotating arm 2 may be improved.

As shown in fig. 1 and 5, the rotation supporting device 100 of the lifting device according to the embodiment of the present application may further include a first rotation seat 13, a first rotation shaft 14, a second rotation seat 15, and a second rotation shaft 16.

As shown in fig. 5, the first rotating seat 13 and the first rotating shaft 14 are disposed at the top of the fixing frame 1, and the first supporting arm 6 is rotatably connected with the first rotating shaft 14, so that the first supporting arm 6 can rotate around the first rotating shaft 14 in the unlocking position.

As shown in fig. 1 and 5, the second rotating seat 15 and the second rotating shaft 16 are disposed in the middle of the fixing frame 1, and the second supporting arm 7 is rotatably connected with the second rotating shaft 16, so that the second supporting arm 7 can rotate around the second rotating shaft 16 in the unlocking position.

As shown in fig. 1, the fourth supporting arm 9 is provided with a third rotating shaft 17, and the third rotating shaft 17 is rotatably connected with the limiting seat 3. Specifically, the third rotating shaft 17 may be a bolt with a diameter of 10mm, and is screwed into the fourth supporting arm 9 through a through hole on the limiting seat 3, so that the fourth supporting arm 9 and the limiting seat 3 can be rotationally connected.

As shown in fig. 1 and 4, in the rotating support device 100 of the lifting device according to the embodiment of the present application, the connecting portion 12 is rotatably connected to the fourth supporting arm 9, and the connecting portion 12 is adapted to rotate around the fourth supporting arm 9 in a vertical direction, so that the limiting plate 11 is inserted into the clamping slot 4 or separated from the clamping slot 4. That is, the rotation of the connection portion 12 in the vertical direction about the fourth support arm 9 can be regarded as lifting or lowering the connection portion 12, so that the stopper portion 11 can be inserted into or pulled out of the card slot 4.

The U-shaped limit portion 10 is adapted to move along the fourth support arm 9 during rotation of the connection portion 12 about the fourth support arm 9, that is, the fourth support arm 9 is always limited to the U-shaped limit portion 10, so that the rotation arm 2 can be fixed when the limit portion 11 is inserted into the clamping slot 4.

As shown in fig. 2, in the rotary supporting device 100 of the lifting device provided by the embodiment of the application, three clamping grooves 4, namely a middle clamping groove 4.1, a right clamping groove 4.2 and a left clamping groove 4.3, are arranged on the limiting seat 3 along the circumferential direction of the rotating shaft of the rotating arm 2 at intervals of 90 degrees. Inserting the limit part 11 into the intermediate clamping groove 4.1, the lifting device 18 can be rotated to the position shown in fig. 6; rotating the limiting part 11 to the right by 90 degrees, inserting the limiting part 11 into the right clamping groove 4.2, and rotating the lifting equipment 18 to the position shown in fig. 7; by rotating the limiting part 11 90 deg. to the left and inserting the limiting part 11 into the left clamping groove 4.3, the lifting device 18 can be rotated to the position shown in fig. 8.

The above embodiments are only for illustrating the present utility model, and are not limiting of the present utility model. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and it is intended to be covered by the scope of the claims of the present utility model.

Claims (5)

1. A rotary support device for a lifting apparatus, comprising:

a fixing frame;

the rotating arm is rotationally connected with the fixing frame and is used for installing hoisting equipment;

The limiting seat is fixedly arranged on the fixing frame, and a plurality of clamping grooves are formed in the limiting seat along the circumferential direction of the rotating shaft of the rotating arm at intervals of a preset angle;

the limiting component is movably arranged on the rotating arm and is suitable for being switched between a locking position and an unlocking position; in the locking position, the limiting member is limited in the clamping groove, and the rotating arm is limited in the limiting member; in the unlocking position, the limiting member is separated from the clamping groove, and the limiting member is suitable for rotating along with the rotating arm.

2. The rotating support device of a lifting apparatus according to claim 1, wherein the rotating arm includes a first support arm, a second support arm, a third support arm, and a fourth support arm, and the limit member includes a U-shaped limit portion, a limit plate, and a connection portion;

The first support arm, the second support arm and the third support arm form a triangular frame, and the fourth support arm is connected with the lower part of the third support arm;

The U-shaped limiting part and the limiting plate are arranged on the connecting part, the connecting part is rotationally connected with the fourth supporting arm, and the fourth supporting arm is limited on the U-shaped limiting part;

And in the unlocking position, the limiting plate is separated from the clamping groove, and in the locking position, the limiting plate is inserted into and limited in the clamping groove.

3. The rotary support device of a lifting apparatus of claim 2, further comprising a first swivel base, a first swivel shaft, a second swivel base, and a second swivel shaft;

the first rotating seat and the first rotating shaft are arranged at the top of the fixing frame, and the first supporting arm is rotationally connected with the first rotating shaft;

the second rotating seat and the second rotating shaft are arranged in the middle of the fixing frame, and the second supporting arm is rotationally connected with the second rotating shaft;

the fourth supporting arm is provided with a third rotating shaft, and the third rotating shaft is rotationally connected with the limiting seat.

4. The rotating support device of a lifting apparatus according to claim 2, wherein the connecting portion is adapted to rotate in a vertical direction about the fourth support arm to insert or disengage the limiting plate into or from the clamping groove;

In the process that the connecting part rotates around the fourth supporting arm, the U-shaped limiting part is suitable for moving along the fourth supporting arm, and the fourth supporting arm is always limited at the U-shaped limiting part.

5. The rotary support device of a lifting device according to any one of claims 1 to 4, wherein the limit seat is provided with three clamping grooves at intervals of 90 ° along the circumferential direction of the rotation shaft of the rotation arm.