CN217102849U - Mobile hoisting equipment for performing - Google Patents

Abstract

The utility model discloses a portable hoisting equipment for performing performance, include: a built-in drive device; a movable frame for carrying the built-in driving device therein and having rollers at the bottom; the control cabinet is arranged in the movable frame and positioned at one side of the built-in driving device; wherein the built-in driving device includes: a reel; a servo motor and a reducer arranged in the winding drum, wherein one part of an output shaft of the reducer extends out of the winding drum; a brake mounted on said portion of the output shaft of the speed reducer for secondarily braking the rotating drum. The utility model discloses a portable hoisting equipment, simple structure, it is small, light in weight, occupation space is little, can remove in a flexible way, adapts to the simple and crude changeable performance scene.

Description

Mobile hoisting equipment for performing

Technical Field

The utility model relates to a stage machinery technical field especially relates to a portable hoisting equipment for performing art performance.

Background

In recent decades, the updating and the development of stage machinery in China are rapid, and the market demands and products are more and more diversified. Compared with the traditional theatre, the theatre for the tourism performance is richer in design, more in change, and more in requirements on the flexibility of equipment arrangement, and the requirements on performance such as speed, load, use frequency and the like of performance equipment are greatly improved compared with the requirements of the traditional theatre.

The performance equipment mainly comprises a hoisting device, a motor, a winding drum, a motor, a hoisting device, a motor, a hoisting device, a winding drum, a winding device, a winding drum, a winding device and the like, wherein the hoisting device, the winding device, the motor, the winding device and the winding device are connected in series, the winding device and the winding device are connected in series, the winding device is connected with the winding device and the winding device is connected with the winding device.

Disclosure of Invention

The utility model aims at solving the problem that exists among the above-mentioned prior art, provide a portable hoisting equipment for performing performance, its simple structure, it is small, light in weight, occupation space is little, can remove in a flexible way, adapts to the simple and crude changeable performance scene.

In order to realize the above object of the present invention, the utility model provides a portable hoisting equipment for performing performance, it includes: a built-in drive device; a movable frame for carrying the built-in driving device therein and having rollers at the bottom; the control cabinet is arranged in the movable frame and positioned at one side of the built-in driving device; wherein the built-in driving device includes: a reel; a servo motor and a reducer arranged in the winding drum, wherein one part of an output shaft of the reducer extends out of the winding drum; a brake mounted on said portion of the output shaft of the reducer for secondarily braking the rotating drum.

Wherein, built-in drive arrangement still includes fixed mounting and is used for supporting in the portable frame reel support frame of reel, and it includes: a connection beam disposed below the drum and disposed in parallel with the drum; the first vertical plate and the second vertical plate are fixedly connected with two ends of the connecting beam respectively and are axially vertical to the winding drum; the output shaft of the speed reducer is rotatably connected with the first vertical plate and extends out of the first vertical plate, and the brake is mounted on the part, extending out of the first vertical plate, of the output shaft of the speed reducer.

Further, the built-in driving device further comprises a self-rope-discharging mechanism installed outside the reel, and the self-rope-discharging mechanism comprises: the device comprises a lead screw and a pair of optical axes, wherein the lead screw is arranged outside the winding drum and has an extending direction parallel to the axial direction of the winding drum, the pair of optical axes are positioned on two sides of the lead screw, and two ends of the lead screw are respectively and rotatably connected with a first vertical plate and a second vertical plate; the screw nut is arranged on the screw and is in transmission connection with the screw; the bracket is fixedly connected with the screw nut and is positioned above the screw nut; a pair of sliding blocks arranged at two sides of the bracket, wherein each sliding block passes through a corresponding optical axis and can slide relative to the optical axis; and the guide pulley is arranged above the support and used for guiding the wire rope on the winding drum to go out of the rope direction, and the pulley shaft of the guide pulley is axially vertical to the screw rod.

Preferably, a plane passing through the central axis of the lead screw and the central axes of the pair of optical axes obliquely intersects the reel, and the upper surface of the holder is parallel to the plane.

Preferably, the pulley shaft of the guide pulley is parallel to the upper surface of the bracket, and an extension line may obliquely intersect with the drum.

The self-rope-arranging mechanism further comprises a first fixed pulley which is arranged on the first vertical plate and used for leading out a steel wire rope led out by the guide pulley in a direction parallel to the axial direction of the winding drum, and a second fixed pulley which is arranged on the second vertical plate and used for leading out the steel wire rope led out by the first fixed pulley in a direction perpendicular to the axial direction of the winding drum.

Further, from arranging rope mechanism still includes the anticollision subassembly that is used for preventing the slider striking riser, and it includes: a pair of collision irons arranged at two sides of the bracket; and the pair of limit switches are arranged at the two ends of the optical axis and positioned on the inner sides of the corresponding vertical plates and are used for limiting the positions of the corresponding sliding blocks in a matching manner with the impact iron.

Furthermore, the built-in driving device also comprises a power transmission mechanism for transmitting the power output by the output shaft of the speed reducer to a lead screw of the self-rope-arranging mechanism.

Preferably, the power transmission mechanism is a belt transmission mechanism, a driving wheel of the power transmission mechanism is mounted on the part of the output shaft of the speed reducer, a driven wheel of the power transmission mechanism is mounted at one end of the screw rod, and the brake is located between the driving wheel and the first vertical plate.

Preferably, the reel comprises: a cylinder body with openings at two ends; the first connecting flange and the second connecting flange are fixedly connected with two ends of the cylinder respectively; the servo motor and the speed reducer are arranged in the cylinder; the output shaft of the speed reducer sequentially penetrates through the first connecting flange, the first vertical plate and the first vertical plate to be rotatably connected, the rear portion of the servo motor is fixedly connected with the second vertical plate through the second connecting flange, and the second connecting flange is rotatably connected with the barrel.

Compared with the prior art, the utility model discloses a portable hoisting equipment for performing performance has following outstanding advantage:

1. the utility model discloses a portable hoisting equipment for performance settles built-in drive arrangement in portable frame, simple structure, and is small, light in weight, and occupation space is little, removes in a flexible way, adapts to simple and crude changeable performance scene to can provide secondary braking to the reel of high-speed rotation, be convenient for provide higher speed for the performance as required, and the precision is high, and equipment work is more stable, safety.

2. The utility model discloses a movable hoisting equipment, the guide pulley on the self-aligning mechanism inclines and settles relatively to the reel and can be settled close to the reel, reduces the occupation space of the self-aligning mechanism, makes the whole structure of the equipment more compact, and can make the wire rope which is unwound from the reel bypass the guide pulley along the tangential direction of the unwinding point on the reel, and make the wire rope go out smoothly; the moving stroke of the guide pulley and the unwinding of the steel wire rope on the winding drum are synchronous, and the fixed pulley is arranged on the vertical plate, so that the steel wire rope is finally led out in the direction vertical to the axial direction of the winding drum, the problem of the rope outlet angle of the steel wire rope is solved, the rope outlet angle of the steel wire rope is not limited by the space position of the fixed pulley, the operation safety of the hoisting equipment is improved, and the application field range is wider.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of a mobile winding device for performing art performance according to the present invention;

FIG. 2 is a half-sectional view of the built-in driving device of the present invention;

fig. 3 is a perspective view of the built-in drive device of the present invention;

fig. 4 is a front view of the internal drive of the invention (brake not shown);

FIG. 5 is a view taken along line A-A of FIG. 4;

fig. 6 is a left side view (with a tensioner) of the internal drive of the present invention;

FIG. 7 is a view from B-B in FIG. 5;

FIG. 8 is a view from the direction C-C of FIG. 7;

fig. 9 is a partial enlarged view of the built-in driving device of the present invention.

Detailed Description

As shown in fig. 1, for the embodiment of the present invention provides a perspective view of a mobile hoisting device for performance, as shown in fig. 2 and fig. 3, which are respectively the embodiment of the present invention provides a half-sectional view and a perspective view of a built-in driving device, as can be seen from fig. 1 to fig. 3, the present invention provides a mobile hoisting device for performance, which includes: a built-in driving device 100; a movable frame 200 with rollers at the bottom for carrying the built-in driving device 100 therein; a control cabinet 300 disposed in the movable frame 200 at one side of the built-in driving device 100; wherein, built-in drive arrangement 100 includes: a winding drum 2; a servo motor and a reducer 3 arranged in the winding drum 2, wherein one part of an output shaft of the reducer extends out of the winding drum 2; a brake 5 mounted on a portion of the output shaft of the reducer for secondarily braking the rotary drum 2.

The utility model discloses a portable hoisting equipment for performance, settle built-in drive arrangement in movable frame, make the structure of whole equipment compacter, small, light in weight, occupation space is little, can remove in a flexible way, be applicable to simple and crude changeable performance scene in performance especially tourism performance, servo motor itself has a braking, furthermore, still install the stopper on the reduction gear output shaft, consequently, can provide secondary braking for the reel of high-speed rotation, brake speed is faster, the precision is high, make equipment work more stable, safety, when using, can provide multiple reel rotation rate according to actual performance needs, wire rope removes winding or winding speed promptly, thereby be convenient for provide manifold performance mode, can provide bigger facility and the effect of harsher performance for the performance.

Specifically, as shown in fig. 1, the built-in driving apparatus 100 of the present embodiment is disposed in the movable frame 200, and the control cabinet 300 for controlling the operation of each component constituting the built-in driving apparatus 100 is disposed in the movable frame 200 and at one side of the built-in driving apparatus 100, so that the entire winding device can be moved to any position as required.

As shown in fig. 1, the movable frame 200 is a metal frame, such as an aluminum alloy frame, and the two sides of the bottom of the frame are respectively provided with a traveling wheel and a universal wheel, so that the whole winding device becomes a device capable of traveling flexibly, can be arranged at a required place according to the requirements of on-site performance when in use, and can be adjusted at any time according to the adjustment of performance dramas. In addition, the hoisting equipment in the embodiment is movable equipment, so that the hoisting equipment can be used independently as a single-point crane (namely, one crane) or used as a plurality of linked hoisting equipment such as 3D cranes (namely, three cranes), multi-point cranes (namely, more than 3 cranes) and the like, thereby increasing the flexibility and functionality of the performance.

As shown in fig. 1 to 7, the built-in driving apparatus 100 of the present embodiment includes: a reel support frame 1 fixedly installed in the movable frame; a winding drum 2; a servo motor and a reducer 3 arranged in the winding drum 2, wherein one part of an output shaft of the reducer extends out of the winding drum 2; a brake 5 mounted on a part of the output shaft of the reducer for secondarily braking the rotary drum 2; the self-rope-arranging mechanism is arranged outside the winding drum; and a power transmission mechanism for transmitting power output from the output shaft of the speed reducer to the lead screw of the self-aligning mechanism.

The present embodiment supports the reel 2 and other components by means of a reel support frame 1, as shown in fig. 1 to 5, the reel support frame 1 including: a connection beam 1 disposed below the drum 2 and disposed in parallel with the drum 2; a first vertical plate 12 (close to the reducer end, so it can also be called as reducer end vertical plate) and a second vertical plate 13 (close to the motor end, so it can also be called as motor end vertical plate) which are respectively fixedly connected with two ends of the connecting beam 1 and are axially perpendicular to the winding drum 2. The output shaft of the speed reducer is rotatably connected with the first vertical plate 12 and extends out of the first vertical plate 12, and the brake 5 is mounted on the part of the output shaft of the speed reducer, which extends out of the first vertical plate 12. When in design, the distance between the first vertical plate and the second vertical plate is slightly larger than the axial length of the winding drum 2, that is, the first vertical plate and the second vertical plate are arranged at the positions outside the winding drum 2 and respectively close to the two ends of the winding drum.

As shown in fig. 5, the winding drum 2 of the present embodiment includes: a cylinder 21 with openings at both ends; and a first connecting flange 22 (close to the first vertical plate end) and a second connecting flange (close to the second vertical plate end) which are fixedly connected with two ends of the cylinder 21 respectively. The servo motor and the speed reducer are arranged in the cylinder, the output shaft of the speed reducer penetrates through the center of the first connecting flange 22 and the center of the first vertical plate 12, is fixedly connected with the first connecting flange 22 and is rotatably connected with the first vertical plate 12, the rear part of the servo motor is fixedly connected with the second vertical plate through the second connecting flange, and the second connecting flange is rotatably connected with the cylinder through the rotating support 4. When the servo motor works, the output shaft of the speed reducer drives the winding drum to rotate relative to the first vertical plate and the second vertical plate, namely, relative to the winding drum supporting frame 1, the servo motor is fixed relative to the winding drum supporting frame, built-in driving is achieved, and the steel wire rope on the winding drum 2 is wound or unwound quickly and accurately.

This embodiment sets up at the servo motor rear portion and rotates the support for the power cord that switch board and servo motor are connected can follow and rotate the entering of support department, thereby makes the structure compacter, has transmission efficiency height, noise low, takes up advantage such as space is little. Compared with a common motor, the servo motor has the characteristics of high precision, good high-speed performance, quick response, strong overload capacity, stable operation and the like. In addition, in the embodiment, the brake 5 is installed on the part of the output shaft of the speed reducer, which extends out of the first vertical plate 12, namely, in a single braking mode of a servo motor capable of rotating at a high speed, the brake is additionally arranged at the end of the speed reducer, so that the built-in driving device forms a double braking mode, and the mode that two independent brakes are arranged at the high speed end and the speed reducing end greatly improves the braking safety.

The reel outer wall sets up the recess, and wire rope corresponds the winding in the recess, and is further, still be provided with wire rope clamp plate 23 in the outside that faces the motor end of reel. When the drum rotates, the wire rope 20 wound thereon may be unwound, or the wire rope may be wound on the drum. In order to smoothly wind or unwind the wire rope, the built-in driving device of the present embodiment further includes a self-winding-out mechanism 8 disposed outside the drum.

Wherein, the self-rope-arranging mechanism can adopt the structure as shown in fig. 8, and comprises: the lead screw 87 and the pair of optical axes 85 are arranged outside the winding drum and extend in the axial direction of the winding drum, the pair of optical axes are respectively positioned at two sides of the lead screw, and two ends of the lead screw are respectively and rotatably connected with the first vertical plate and the second vertical plate; a lead screw nut 86 mounted on and drivingly connected to the lead screw; a bracket 83 fixedly connected with the screw nut and positioned above the screw nut; a pair of sliders 84 mounted on opposite sides of the frame, each slider passing through a corresponding optical axis and being slidable relative to the optical axis; and a guide pulley 80 (see fig. 4) arranged above the bracket and used for guiding the wire rope on the winding drum to the rope outlet direction, wherein the pulley shaft of the guide pulley is vertical to the axial direction of the screw rod.

During assembly, a plane passing through the central axis of the lead screw and the central axis of the pair of optical axes is obliquely intersected with the winding drum, the upper surface of the support is parallel to the plane, the pulley shaft of the guide pulley is parallel to the upper surface of the support, and the extension line can be obliquely intersected with the winding drum. The angle of the oblique intersection is determined according to the actual condition of the winding drum.

In addition, the self-rope-arranging mechanism further comprises a first fixed pulley 81 mounted on the first vertical plate and a second fixed pulley 82 mounted on the second vertical plate. The wire rope led out from the guide pulley is led out in a direction parallel to the axial direction of the drum by the first fixed pulley 81, and the wire rope led out from the first fixed pulley is led out in a direction perpendicular to the axial direction of the drum by the second fixed pulley 82. During assembly, the pulley shafts of the first fixed pulley 81 and the second fixed pulley 82 are respectively vertical to the axial direction of the winding drum, and the height difference of the first fixed pulley 81 and the second fixed pulley 82 after being installed on the corresponding vertical plate is the height of one fixed pulley. During design, through holes are formed in the positions, corresponding to the fixed pulleys, of the first vertical plate 12 and the second vertical plate 13, the first fixed pulley 81 penetrates through the through holes of the first vertical plate, the steel wire rope unwound from the winding drum is led out from the bottom of the guide pulley 80 by winding around the guide pulley 80 from top to bottom, the led-out steel wire rope is led out from the bottom of the first fixed pulley upwards by winding around the bottom of the first fixed pulley and then horizontally towards the direction of the second fixed pulley on the second vertical plate, and the led-out steel wire rope is led out from the bottom of the second fixed pulley upwards vertically after winding around the bottom of the second fixed pulley.

Further, the self-aligning mechanism further includes a bump protection assembly for preventing the sliding block from striking the vertical plate, as shown in fig. 9, which includes: a pair of strikers 89 mounted on both sides of the bracket and positioned to correspond to the sliders on the pair of optical axes, respectively; and the pair of limit switches 88 are arranged at two ends of each optical axis and positioned on the inner side of the corresponding vertical plate and are used for limiting the position of the corresponding slide block in cooperation with the impact iron. Therefore, when the impact iron approaches or collides with the limit switch, the corresponding protection circuit can be triggered to stop the servo motor. In addition, the anti-collision assembly can also adopt other structures with sensing functions in the prior art.

In addition, the built-in driving device of this embodiment further includes a power transmission mechanism for transmitting the power output by the output shaft of the speed reducer to the lead screw of the automatic rope discharging mechanism, as shown in fig. 6, the power transmission mechanism may be a belt transmission mechanism, which includes a driving wheel 6, a driven wheel, and a timing belt 9 in transmission connection with the driving wheel 6 and the driven wheel. The driving wheel is arranged on a part of the output shaft of the speed reducer, which extends out of the first vertical plate, the driven wheel is arranged at one end of the screw rod, which extends out of the first vertical plate, and the brake is arranged between the driving wheel and the first vertical plate.

When the servo motor works, the winding drum is driven to rotate at the same time, the steel wire rope is unwound or wound on the winding drum, power is transmitted to the lead screw through the power transmission mechanism at the same time, the lead screw is driven to rotate, the lead screw nut moves along the lead screw, and the guide pulley is driven to move in parallel relative to the winding drum.

Preferably, in order to prevent the over-loosening phenomenon of the synchronous belt 9 caused by long-time work, a tension wheel 61 for adjusting the tightness degree of the synchronous belt can be arranged on the first vertical plate. Of course, the power transmission mechanism may have other structures according to the prior art. Furthermore, the rope-mess prevention device 7 and the anti-loosening device 10 can be arranged outside the winding drum, and the two devices can adopt the prior art structures, and the structures are not described in detail.

In the built-in driving device of the embodiment, the guide pulley of the self-rope-arranging mechanism is obliquely arranged relative to the winding drum so as to be arranged close to the winding drum, so that the occupied space of the self-rope-arranging mechanism is reduced, the whole structure of the device is more compact, and the steel wire rope unwound from the winding drum can bypass the guide pulley along the tangential direction of the unwinding point on the winding drum, so that the steel wire rope can smoothly exit; the moving stroke of the guide pulley and the unwinding of the steel wire rope on the winding drum are synchronous, and the fixed pulley is arranged on the vertical plate, so that the steel wire rope is finally led out in the direction vertical to the axial direction of the winding drum, the problem of the rope outlet angle of the steel wire rope is solved, the rope outlet angle of the steel wire rope is not limited by the space position of the fixed pulley, the operation safety of the hoisting equipment is improved, and the application field range is wider.

It should be noted that the mobile hoisting device of this embodiment may be a single-rope-outgoing hoisting device (i.e., one steel wire rope is led out from one winding drum), or may be a double-rope-outgoing hoisting device (i.e., two steel wire ropes are led out from one winding drum), correspondingly, a corresponding number of guide pulleys (two guide pulleys as shown in fig. 1 to 4, but only one led-out steel wire rope is shown) need to be disposed on the lead screw, and one or two rope grooves corresponding to the number of guide pulleys and the fixed pulley are disposed on the guide pulleys and the fixed pulley so as to be wound by the steel wire rope. When two play ropes, two wire rope along setting up the spiral grooving winding on 2 outer walls of reel 2 outside reel 2, and two wire rope winding one end on reel 2 have a determining deviation along the axial of reel 2, the other end is drawn forth by the leading pulley that corresponds respectively behind the winding reel 2, and two leading pulleys are along lead screw synchronous motion to two wire rope of guide go out the rope in step.

Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.

Claims (10)

1. A mobile hoisting device for performing shows, comprising:

a built-in drive device;

a movable frame for carrying the built-in driving device therein and having rollers at the bottom;

the control cabinet is arranged in the movable frame and positioned at one side of the built-in driving device;

wherein the built-in driving device includes: a reel; a servo motor and a reducer arranged in the winding drum, wherein one part of an output shaft of the reducer extends out of the winding drum; a brake mounted on said portion of the output shaft of the reducer for secondarily braking the rotating drum.

2. The mobile hoisting apparatus of claim 1 wherein the internal drive further comprises a drum support frame fixedly mounted within the movable frame for supporting the drum, comprising:

a connection beam disposed below the drum and disposed in parallel with the drum;

the first vertical plate and the second vertical plate are fixedly connected with two ends of the connecting beam respectively and are axially vertical to the winding drum;

the output shaft of the speed reducer is rotatably connected with the first vertical plate and extends out of the first vertical plate, and the brake is mounted on the part, extending out of the first vertical plate, of the output shaft of the speed reducer.

3. The mobile hoisting apparatus of claim 2 wherein the built-in drive further comprises a self-aligning mechanism mounted outside the drum comprising:

the device comprises a lead screw and a pair of optical axes, wherein the lead screw is arranged outside the winding drum and has an extending direction parallel to the axial direction of the winding drum, the pair of optical axes are positioned on two sides of the lead screw, and two ends of the lead screw are respectively and rotatably connected with a first vertical plate and a second vertical plate;

the screw nut is arranged on the screw and is in transmission connection with the screw;

the bracket is fixedly connected with the screw nut and is positioned above the screw nut;

a pair of sliding blocks arranged at two sides of the bracket, wherein each sliding block passes through a corresponding optical axis and can slide relative to the optical axis;

and the guide pulley is arranged above the support and used for guiding the wire rope on the winding drum to go out of the rope direction, and the pulley shaft of the guide pulley is axially vertical to the screw rod.

4. The mobile winding device of claim 3, wherein a plane passing through the central axis of the screw shaft and the central axes of the pair of optical axes obliquely intersects the winding drum, and the upper surface of the bracket is parallel to the plane.

5. The mobile winding apparatus of claim 4, wherein the pulley shaft of the guide pulley is parallel to the upper surface of the bracket, and an extension line may obliquely intersect with the winding drum.

6. The mobile hoisting device according to claim 3, wherein the self-aligning mechanism further comprises a first fixed sheave installed on the first vertical plate for guiding the wire rope guided by the guide sheave in a direction parallel to an axial direction of the drum, and a second fixed sheave installed on the second vertical plate for guiding the wire rope guided by the first fixed sheave in a direction perpendicular to the axial direction of the drum.

7. The mobile winching apparatus of any one of claims 3-6, wherein the self-aligning mechanism further comprises a bump guard assembly for preventing the slide from striking the riser, the bump guard assembly comprising:

a pair of collision irons arranged at two sides of the bracket;

and the pair of limit switches are arranged at the two ends of the optical axis and positioned on the inner sides of the corresponding vertical plates and are used for limiting the positions of the corresponding sliding blocks in a matching manner with the impact iron.

8. The mobile winding apparatus of claim 3, wherein the built-in driving means further comprises a power transmission mechanism for transmitting the power outputted from the output shaft of the decelerator to the lead screw of the self-aligning mechanism.

9. The mobile hoisting device of claim 8 wherein the power transmission mechanism is a belt transmission mechanism having a drive wheel mounted on the portion of the output shaft of the speed reducer and a driven wheel mounted on an end of the lead screw, and the brake is located between the drive wheel and the first upright.

10. The mobile hoisting device of claim 2 wherein the drum comprises:

a cylinder body with openings at two ends;

the first connecting flange and the second connecting flange are fixedly connected with two ends of the cylinder respectively;

the servo motor and the speed reducer are arranged in the cylinder;

the output shaft of the speed reducer sequentially penetrates through the first connecting flange, the first vertical plate and the first vertical plate to be connected with the first vertical plate in a rotating mode, the rear portion of the servo motor is fixedly connected with the second vertical plate through the second connecting flange, and the second connecting flange is connected with the cylinder in a rotating mode.

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