CN212700559U

CN212700559U - Double-output-shaft lifting crane

Info

Publication number: CN212700559U
Application number: CN202020948022.1U
Authority: CN
Inventors: 蔡荣
Original assignee: Jiangsu Nanyang Stage Equipment Co ltd
Current assignee: Jiangsu Nanyang Stage Equipment Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-16
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a two play axle lift loop wheel machines, including rotating electrical machines and reducing gear box, the motor shaft of rotating electrical machines passes the reducing gear box and is equipped with synchronous rotation's turbine, be equipped with in the reducing gear box and stretch out and be coaxial to both sides respectively, the first axis body and the second axis body of perpendicular to motor shaft, all be equipped with the reel on first axis body and the second axis body, the reducing gear box top is equipped with first transmission tooth and the second transmission tooth with first gear and second gear meshing respectively, be equipped with vertical elevating system between the axle bed of third axis body and the reducing gear box in first transmission tooth and the second transmission tooth, adopt two play axle multistation hoisting structure, can only open the reel of one side according to the demand, vertical elevating system drives first transmission tooth and second transmission tooth, The winding drum is started to lift and hoist at a constant speed or at a differential speed, so that the application requirements of the stage can be met by flexible application.

Description

Double-output-shaft lifting crane

Technical Field

The utility model relates to a two play axle lift loop wheel machines belongs to stage loop wheel machine technical field.

Background

The stage provides a deductive space for performers, and through the use of a lifting crane to pull a curtain, hang a stage curtain scene, protect performers, lift lamps or props, enrich acrobatic stunt deductive forms and the like, the scene is quickly set, changed and matched with the performance through electric driving, and more ideal and shocking visual ornamental effects are brought to audiences. Compared with a single-shaft structure, the double-output-shaft lifting crane in the prior art has more lifting point stations, generally, the double-output-shaft lifting crane is in speed reduction vertical transmission from a rotating motor to a worm gear and worm speed reducer, the coaxial output shafts on two sides of the speed reducer are respectively connected with synchronously rotating winding drums, the lifting rope wound on the winding drums is uncoiled or coiled, the lifting hook at the end part of the lifting rope is connected with a lifted object to realize lifting and lifting, however, the double output shafts are directly and synchronously transmitted by the worm gear and worm, the winding drums on two sides of the crane are synchronous, the rotation is opened or closed at the same speed, when only one side of a heavy object is lifted or the lifting speed is.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a two play axle lift loop wheel machines, two play axle multistations are lifted by crane, can only open the reel of one side according to the demand, open reel, constant speed or differential start the reel lift and lift in step and lift by crane to nimble application satisfies the stage application demand.

The utility model discloses a realize through following technical scheme:

a double-output-shaft lifting crane comprises a rotating motor and a reduction gearbox positioned on one side of the rotating motor, wherein a motor shaft of the rotating motor penetrates through the reduction gearbox and is provided with a turbine which rotates synchronously;

the first shaft body and the second shaft body are respectively provided with a winding drum which is positioned outside the reduction gearbox and respectively synchronously rotates, the winding drum is provided with a plurality of spacing rings which are arranged at intervals, the winding drum between adjacent spacing rings is provided with a plurality of convex rings which are arranged at intervals, and the second shaft body is provided with a second gear which is positioned between the winding drum and the reduction gearbox and synchronously rotates;

the top of the reduction box is provided with a first transmission gear and a second transmission gear which are respectively meshed with the first gear and the second gear, the reduction box is provided with a through hole corresponding to the first gear and the first transmission gear, the first transmission gear and the second transmission gear are internally provided with a third shaft body which rotates synchronously, the third shaft body is provided with a shaft seat, and a vertical lifting mechanism is arranged between the shaft seat and the reduction box;

the vertical lifting mechanism comprises a ball nut connected with one side of the shaft seat and a lead screw which is matched with the ball nut for use and is vertical, a support frame is arranged between the lead screw and the reduction box, a lead screw motor connected with the lead screw is arranged on the support frame, at least one guide sleeve is arranged on the shaft seat, and a guide rod parallel to the lead screw is arranged in the guide sleeve.

The utility model has the advantages that:

(1) the lifting hook is connected to a lifted object, the vertical first shaft body is driven to rotate under the meshing transmission of the worm wheel and the worm through the motor shaft of the rotating motor, the winding drum on the first shaft body on one side of the movable crane rotates forwards or backwards, and the lifting rope is wound or unwound to realize lifting and lifting, so that the requirement of stage operation of lifting and lifting only on one side is met, and the phenomenon that the energy consumption is increased due to idling on the other side is avoided;

(2) a screw rod motor drives a screw rod of the vertical lifting mechanism to rotate on the support frame, a ball nut is matched with the rotary screw rod under the guide of the guide rod, the rotation is changed into linear motion to drive a connected shaft seat to descend, the first transmission gear is meshed with the first gear through the through hole to drive the third shaft body to rotate on the shaft seat, the second gear which is in rotary contact and meshed with the second transmission gear is driven to transmit to the second shaft body, and the rotary lifting and hoisting of a winding drum on the second shaft body are realized;

(3) the differential lifting and hoisting of the second shaft body and the winding drum on the first shaft body are realized by changing the outer diameter and the tooth number of the second transmission gear and the second gear, and the double-output-shaft multi-station hoisting structure can only open the winding drum on one side, synchronously open the winding drum, and start the winding drum at a constant speed or at a differential speed to lift and hoist according to requirements, so that the flexible application can meet the application requirements of the stage.

Drawings

Fig. 1 is a rear perspective view of the present invention.

Fig. 2 is a front perspective view of the present invention.

Fig. 3 is a front view structural diagram of the present invention.

Fig. 4 is a side view of the structure of the present invention.

The labels in the figure are: the device comprises a rotating motor 1, a reduction gearbox 2, a motor shaft 3, a turbine 4, a first shaft body 5, a second shaft body 6, a worm 7, a winding drum 8, a spacer ring 9, a convex ring 10, a positioning plate 11, a positioning nut 12, a first gear 26, a second gear 13, a first transmission gear 14, a second transmission gear 15, a through hole 16, a third shaft body 17, a shaft seat 18, a vertical lifting mechanism 19, a ball nut 191, a screw rod 192, a support frame 20, a screw rod motor 21, a guide sleeve 22, a guide rod 23, a mounting plate 24, a mounting hole 25, a lifting rope 27 and a lifting hook 28.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

A double-output-shaft lifting crane comprises a rotating motor 1 and a reduction gearbox 2 positioned on one side of the rotating motor 1, wherein a motor shaft 3 of the rotating motor 1 penetrates through the reduction gearbox 2 and is provided with a turbine 4 which rotates synchronously, a first shaft body 5 and a second shaft body 6 which respectively extend towards two sides, are coaxial and are perpendicular to the motor shaft 3 are arranged in the reduction gearbox 2, and a first gear 26 which rotates synchronously and a worm 7 which is meshed with the turbine 4 are arranged on the first shaft body 5;

the first shaft body 5 and the second shaft body 6 are respectively provided with a winding drum 8 which is positioned outside the reduction gearbox 2 and respectively rotates synchronously, the winding drum 8 is provided with a plurality of spacing rings 9 which are arranged at intervals, the winding drum 8 between every two adjacent spacing rings 9 is provided with a plurality of convex rings 10 which are arranged at intervals, the winding drum 8 is internally provided with a positioning plate 11 which is matched with a key groove of the first shaft body 5 or the second shaft body 6, a positioning nut 12 is arranged between the first shaft body 5 or the second shaft body 6 and the outer wall of the positioning plate 11, and the second shaft body 6 is provided with a second gear 13 which is positioned between the winding drum 8 and the reduction gearbox 2 and rotates;

the top of the reduction gearbox 2 is provided with a first transmission gear 14 and a second transmission gear 15 which are respectively meshed with the first gear 26 and the second gear 13, the reduction gearbox 2 is provided with a through hole 16 corresponding to the first gear 26 and the first transmission gear 14 in position, a third shaft body 17 rotating synchronously is arranged in the first transmission gear 14 and the second transmission gear 15, the third shaft body 17 is provided with a shaft seat 18, and a vertical lifting mechanism 19 is arranged between the shaft seat 18 and the reduction gearbox 2;

the vertical lifting mechanism 19 comprises a ball nut 191 connected with one side of the shaft seat 18 and a vertical screw 192 matched with the ball nut 191 for use, a support frame 20 is arranged between the screw 192 and the reduction gearbox 2, a screw motor 21 connected with the screw 192 is arranged on the support frame 20, at least one guide sleeve 22 is arranged on the shaft seat 18, a guide rod 23 parallel to the screw 192 is arranged in the guide sleeve 22, the support frame 20 is of a C-shaped structure, and the end part of the guide rod 23 is arranged on the support frame 20;

the bottom of the reduction gearbox 2 is provided with an installation plate 24, and the installation plate 24 is provided with a plurality of installation holes 25.

The utility model discloses a theory of operation does:

the crane is integrally installed on a stage frame through an installation hole 25 on an installation plate 24 at the bottom of the reduction gearbox 2, a first shaft body 5 and a second shaft body 6 penetrate through a key groove matched positioning plate 11 and are locked by a positioning nut 12 to realize synchronous rotating installation of a winding drum 8 and the first shaft body 5 or the second shaft body 6, the end part of a lifting rope with a lifting hook is fixed with the winding drum 8, the spacer rings 9 are used for separating a plurality of lifting stations, a plurality of convex rings 10 arranged at intervals are arranged on the winding drum 8 between every two adjacent spacer rings 9 and used for forming a limiting space of the lifting rope between every two adjacent convex rings 10 and improving the winding uniformity of the lifting rope;

the lifting hook is connected to a lifted object, the vertical first shaft body 5 is driven to rotate through the meshing transmission of the motor shaft 3 of the rotating motor 1 between the worm wheel 4 and the worm 7, the winding drum 8 on the first shaft body 5 on one side of the crane is driven to rotate forwards or backwards, the lifting rope on the winding drum 8 is wound or unwound to realize lifting and lifting, the requirement of stage operation that only one side is required to lift and lift is met, and the phenomenon that the other side idles to increase energy consumption is avoided;

when a winding drum 8 on a second shaft body 6 on the other side of the crane needs to be synchronously opened, a lead screw motor 21 drives a lead screw 192 of a vertical lifting mechanism 19 to rotate on a support frame 20, the support frame 20 adopts a C-shaped structure and is fixedly connected with a guide rod 23 to improve the support performance of the support frame 20, a ball nut 191 changes rotation into linear motion under the thread matching action of the rotary lead screw 192, a guide sleeve 22 slides and guides along the guide rod 23 to drive a connected shaft seat 18 to descend, so that a first transmission tooth 14 is meshed with a first gear 26 through a through hole 16 to drive a third shaft body 17 to rotate on the shaft seat 18, a second gear 13 which is meshed with a second transmission tooth 15 in a rotating contact manner is driven to transmit to the second shaft body 6, and the winding drum 8 on the second shaft body 6 is rotated;

realize reel 8 on the

second shaft body

6 and 8 differential lifts by crane with reel on the first shaft body 5 through the external diameter and the number of teeth that change second driving gear 15 and second gear 13, first driving gear 14, second driving gear 15 and vertical elevating system 19 can also set up the dustcoat that links to each other with reducing gear box 2 outward and prevent the 16 deposition of through-hole, to sum up, this application has two play axle multistation hoisting structure, can only open the reel 8 of one side according to the demand, open reel 8 in step, reel 8 lifts by crane is started to constant speed or differential, so that nimble application satisfies stage application demand.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, for example, the connection of a gear and a shaft may be achieved by welding or spline fitting in the prior art, and the synchronous rotation may be direct connection, or indirect connection via an intermediate medium, or communication between the inside of two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A double-output-shaft lifting crane comprises a rotating motor and a reduction gearbox positioned on one side of the rotating motor, and is characterized in that a motor shaft of the rotating motor penetrates through the reduction gearbox and is provided with a turbine which rotates synchronously, a first shaft body and a second shaft body which respectively extend towards two sides, are coaxial and are perpendicular to the motor shaft are arranged in the reduction gearbox, a first gear which rotates synchronously and a worm which is meshed with the turbine are arranged on the first shaft body, winding drums which are positioned outside the reduction gearbox and rotate synchronously respectively are arranged on the first shaft body and the second shaft body, and a second gear which is positioned between the winding drums and the reduction gearbox and rotates synchronously is arranged on the second shaft body;

the top of the reduction gearbox is provided with a first transmission gear and a second transmission gear which are respectively meshed with the first gear and the second gear, the reduction gearbox is provided with a through hole corresponding to the first gear and the first transmission gear in position, a third shaft body rotating synchronously is arranged in the first transmission gear and the second transmission gear, the third shaft body is provided with a shaft seat, and a vertical lifting mechanism is arranged between the shaft seat and the reduction gearbox.

2. The double-output-shaft lifting crane according to claim 1, wherein a positioning plate matched with a key groove of the first shaft body or the second shaft body is arranged in the winding drum, and a positioning nut is arranged between the first shaft body or the second shaft body and the outer wall of the positioning plate.

3. A dual-spool elevator as set forth in claim 1, wherein the drum is provided with a plurality of spaced rings, and the drum between adjacent rings is provided with a plurality of spaced collars.

4. The double-output-shaft lifting crane as claimed in claim 1, wherein the vertical lifting mechanism comprises a ball nut connected to one side of a shaft seat and a vertical screw rod matched with the ball nut, a support frame is arranged between the screw rod and the reduction box, a screw rod motor connected with the screw rod is arranged on the support frame, at least one guide sleeve is arranged on the shaft seat, and a guide rod parallel to the screw rod is arranged in the guide sleeve.

5. A double-out-shaft lifting machine as claimed in claim 4, wherein the support frame is of C-shaped configuration, the ends of the guide rods being disposed on the support frame.

6. A double-output-shaft lifting crane as claimed in any one of claims 1 to 5, wherein the bottom of the reduction box is provided with a mounting plate, and the mounting plate is provided with a plurality of mounting holes.