CN211421968U

CN211421968U - Lifting device for performance stage

Info

Publication number: CN211421968U
Application number: CN201922238499.0U
Authority: CN
Inventors: 陶立红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-04
Anticipated expiration: 2029-12-13

Abstract

The utility model provides a lifting device of a performance stage, which comprises a lifting plate and a lifting mechanism for driving the lifting plate to lift, wherein both ends of each side edge of the lifting plate are respectively provided with a lug, and the lug is provided with a warning lamp and an outwardly extending inductor; the side plates of the lifting plate are all rotatably connected with extension plates, and the bottom surface of the lifting plate is provided with a pushing mechanism for pushing the extension plates to stretch out and be spliced with the lifting plate. When the performer performs, before the trend of stepping on empty to leave the lifter plate, the bearing area of the lifter plate can be prolonged, meanwhile, the performer is reminded not to leave the area of the lifter plate, and the safety of using the lifting device by the performer is improved.

Description

Lifting device for performance stage

Technical Field

The utility model belongs to performance auxiliary assembly field, concretely relates to elevating gear of performance stage.

Background

When stage performance is used, performers of some performance programs need an aerial stage, and a lifting device is built on one part of the stage in the existing method. The lifting device comprises a lifting plate attached to the plane of the stage and a lifting mechanism used for lifting or descending the lifting plate. The performer stands on the lifting plate, the lifting mechanism lifts the lifting plate to a high position, and sometimes the lifting plate is not provided with a fence for the performance effect, so the performer can fall off the lifting platform carelessly due to drunken performance and is damaged by the body.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the utility model is to provide a lifting device of performance stage, outside some stretches out the lifter plate when the performer, the lifter plate can prolong and remind the performer to get back to the within range of lifter plate.

In order to achieve the above purpose, the utility model provides a lifting device for a performance stage, which comprises a lifting plate and a lifting mechanism for driving the lifting plate to lift, wherein both ends of each side edge of the lifting plate are respectively provided with a lug, and the lug is provided with a warning light and an outwardly extending inductor; the side plates of the lifting plate are all rotatably connected with extension plates, and the bottom surface of the lifting plate is provided with a pushing mechanism for pushing the extension plates to stretch out and be spliced with the lifting plate.

Four sides of lifter plate all are provided with the lug, the lug of every side is a set of, the inductor can a set of infrared line group of response of each other, outside the lifter plate is stretched out to the foot of performance person, can block the infrared ray, thereby trigger the inductor, the warning light on the lug lights after the inductor is triggered, remind the performance person to get back to in the region of lifter plate, simultaneously ejecting mechanism will with the inductor that is triggered outwards release with the extension plate of one side, and splice with the lifter plate, play the effect of bearing to the performance person, prevent that the performance person from falling.

Preferably, the convex block is provided with an adjusting rod capable of extending outwards, and the inductor is mounted on the adjusting rod. The adjusting rod can adjust the extension length of the sensor, so as to adjust how far the feet of the performer extend out of the lifting platform to trigger the sensor.

Preferably, the pushing mechanism comprises pushing components respectively connected with the extension plates; the push-out component comprises an air cylinder and a rotating rod, one end of the rotating rod is hinged to the extension plate, and the other end of the rotating rod is hinged to a piston rod of the air cylinder. Every extension plate all connects a cylinder, and a cylinder is controlled to every group inductor, and when the inductor was blockked, the cylinder work that corresponds will outwards be pushed out with the extension plate of the inductor that is blockked the same side.

Preferably, the extension plate is provided with a gravity sensor and a warning indicator. When the performer steps on the extension plate, the gravity sensor can be triggered, and after the gravity sensor is triggered for a period of time, the alarm can give an alarm to remind the performer to return to the lifting plate area.

The signal of telecommunication between sensor, cylinder, warning light, attention device and the gravity sensor can be realized through the PLC controller, the utility model discloses only relate to elevating gear's specific structure, and PLC control belongs to the conventional technological means in this field, does not do specific description.

Preferably, the bottom surface of the lifting plate and the bottom surface of the extension plate are connected through a plurality of hinges. Through a plurality of loose-leaf connections, both connect the convenience, also can connect simultaneously and stabilize.

Preferably, the lifting mechanism comprises a screw rod, a driving motor for driving the screw rod to rotate, and a bottom plate and a top rod for fixing the screw rod; a lifting cylinder is arranged on the bottom surface of the lifting plate, and a connecting ring in threaded connection with the screw rod is arranged at one end, far away from the lifting plate, of the lifting cylinder; the screw rod is arranged in the lifting cylinder, and the lifting cylinder is provided with a hollow groove for the ejector rod to pass through. The lifting mechanism is arranged in a cavity of the stage, the bottom plate and the ejector rod are fixedly connected with the stage, and the screw rod is connected with the top plate and the ejector rod through a rotating shaft. The driving motor drives the screw rod to rotate, so that the connecting ring moves on the screw rod, and the lifting plate is lifted. And the ejector pin stretches into the hollow groove of the lifting plate, so that the lifting cylinder is prevented from moving, and the lifting cylinder can be prevented from rotating along with the screw rod.

Preferably, a sleeve with a positioning groove is arranged outside the screw rod, and the sleeve is connected with the bottom plate; the lifting cylinder is arranged in the sleeve and is provided with a positioning block extending into the positioning groove. When the lifting cylinder rises and falls, the positioning block can move along the positioning groove, and the motion stability of the lifting cylinder can be improved.

Preferably, the lifting plate is provided with at least three guide rods connected with the bottom plate, and the guide rods are telescopic rods. When the lifter plate rises, the guide rod can provide the stable effect of direction, can make the lifter plate in the atress simultaneously, more firm.

The utility model has the advantages that: when the performer performs, before the trend of stepping on empty to leave the lifter plate, the bearing area of the lifter plate can be prolonged, meanwhile, the performer is reminded not to leave the area of the lifter plate, and the safety of using the lifting device by the performer is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a lifting device for a performance stage according to the present invention;

fig. 2 is the structure diagram of the first cover plate of the lifting device of the performance stage of the present invention.

Wherein, 1, a lifting plate; 2. a lifting mechanism; 201. a screw rod; 202. a drive motor; 203. a base plate; 204. a top rod; 3. a bump; 4. a warning light; 5. an inductor; 6. an extension plate; 7. adjusting a rod; 8. a push-out assembly; 801. a cylinder; 802. rotating the rod;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1-2 show a lifting device for a performance stage, which comprises a lifting plate 1 and a lifting mechanism 2 for driving the lifting plate 1 to lift, wherein two ends of each side edge of the lifting plate 1 are respectively provided with a lug 3, and a warning lamp 4 and an outwardly extending inductor 5 are arranged on the lugs 3; the side of lifter plate 1 all rotates and is connected with extension plate 6, the bottom surface of lifter plate 1 is provided with the promotion extension plate 6 stretch out and with the ejecting mechanism of lifter plate 1 concatenation.

Furthermore, an adjusting rod 7 capable of extending outwards is arranged on the projection 3, and the inductor 5 is mounted on the adjusting rod 7. The adjusting rod can adjust the extension length of the sensor, so as to adjust how far the feet of the performer extend out of the lifting platform to trigger the sensor.

Further, the pushing-out mechanism comprises pushing-out components 8 respectively connected with the extension plates 6; the push-out component 8 comprises a cylinder 801 and a rotating rod 802, one end of the rotating rod 802 is hinged to the extension plate 6, and the other end of the rotating rod 802 is hinged to a piston rod of the cylinder 801. Every extension plate all connects a cylinder, and a cylinder is controlled to every group inductor, and when the inductor was blockked, the cylinder work that corresponds will outwards be pushed out with the extension plate of the inductor that is blockked the same side.

Further, the extension board 6 is provided with a gravity sensor (not shown) and a warning indicator (not shown). When the performer steps on the extension plate, the gravity sensor can be triggered, and after the gravity sensor is triggered for a period of time, the alarm can give an alarm to remind the performer to return to the lifting plate area.

The signal of telecommunication between sensor 5, cylinder 801, warning light 4, attention device and the gravity sensor can be realized through the PLC controller, the utility model discloses only relate to elevating gear's concrete structure, and PLC control belongs to the conventional technological means in this field, does not do specific description.

Further, the bottom surface of the lifting plate 1 and the bottom surface of the extension plate 6 are connected through four hinges 9. Through a plurality of loose-leaf connections, both connect the convenience, also can connect simultaneously and stabilize.

Further, the lifting mechanism 2 comprises a screw rod 201, a driving motor 202 for driving the screw rod 201 to rotate, and a bottom plate 203 and a top rod 204 for fixing the screw rod 201; a lifting cylinder 10 is arranged on the bottom surface of the lifting plate 1, and a connecting ring 11 in threaded connection with the screw rod 201 is arranged at one end, far away from the lifting plate 1, of the lifting cylinder 10; the screw 201 is installed in the lifting cylinder 10, and the lifting cylinder 10 is provided with a hollow-out groove 12 for the mandril 204 to pass through. The lifting mechanism is arranged in a cavity of the stage, the bottom plate and the ejector rod are fixedly connected with the stage, and the screw rod is connected with the top plate and the ejector rod through a rotating shaft. The driving motor drives the screw rod to rotate, so that the connecting ring moves on the screw rod, and the lifting plate is lifted. And the ejector pin stretches into the hollow groove of the lifting plate, so that the lifting cylinder is prevented from moving, and the lifting cylinder can be prevented from rotating along with the screw rod.

Preferably, a sleeve 13 with a positioning slot (not shown in the figure) is arranged outside the screw 201, and the sleeve 13 is connected with the bottom plate 203; the lifting cylinder 10 is arranged in the sleeve 13 and is provided with a positioning block 14 extending into the positioning groove. When the lifting cylinder rises and falls, the positioning block can move along the positioning groove, and the motion stability of the lifting cylinder can be improved.

Further, the lifting plate 1 is provided with three guide rods 15 connected with the bottom plate 203, and the guide rods are telescopic rods. When the lifter plate rises, the guide rod can provide the stable effect of direction, can make the lifter plate in the atress simultaneously, more firm.

The working principle of the embodiment is as follows: four sides of lifter plate all are provided with the lug, the lug of every side is a set of, the inductor can a set of infrared line group of response of each other, outside the lifter plate is stretched out to the foot of performance person, can block the infrared ray, thereby trigger the inductor, the warning light on the lug lights after the inductor is triggered, remind the performance person to get back to in the region of lifter plate, simultaneously ejecting mechanism will with the inductor that is triggered outwards release with the extension plate of one side, and splice with the lifter plate, play the effect of bearing to the performance person, prevent that the performance person from falling.

The utility model discloses the beneficial effect who produces does: the device can place the performance appliance in the drawer and carry the performance appliance to a working area, and meanwhile, the device can also lift the top plate to hang the performance clothes on the device, so that the function of placing clothes is realized; the movable box body after the carrying work is completed can be used as the placing rack, the space is not occupied, the investment of the placing rack can be reduced, and the movable box body is dual-purpose and more convenient to use.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A lifting device of a performance stage comprises a lifting plate and a lifting mechanism for driving the lifting plate to lift, and is characterized in that two ends of each side edge of the lifting plate are respectively provided with a convex block, and a warning lamp and an outwardly extending inductor are arranged on each convex block; the side plates of the lifting plate are all rotatably connected with extension plates, and the bottom surface of the lifting plate is provided with a pushing mechanism for pushing the extension plates to stretch out and be spliced with the lifting plate.

2. A performance stage lifting device as claimed in claim 1, wherein the projection is provided with an outwardly extendable adjustment bar, and the sensor is mounted on the adjustment bar.

3. A performance stage lifting device as claimed in claim 1, wherein the push-out mechanism includes push-out assemblies respectively connected to the extension plates; the push-out component comprises an air cylinder and a rotating rod, one end of the rotating rod is hinged to the extension plate, and the other end of the rotating rod is hinged to a piston rod of the air cylinder.

4. A performance stage lifting device as claimed in claim 1, wherein the extension plate is provided with a gravity sensor and an alarm.

5. A performance stage lifting device as claimed in claim 1, wherein the bottom surface of the lifting plate and the bottom surface of the extension plate are connected by hinges.

6. A lifting device for a performance stage as claimed in any one of claims 1 to 5, wherein the lifting mechanism comprises a lead screw, a driving motor for driving the lead screw to rotate, and a bottom plate and a top rod for fixing the lead screw; a lifting cylinder is arranged on the bottom surface of the lifting plate, and a connecting ring in threaded connection with the screw rod is arranged at one end, far away from the lifting plate, of the lifting cylinder; the screw rod is arranged in the lifting cylinder, and the lifting cylinder is provided with a hollow groove for the ejector rod to pass through.

7. A performance stage lifting device as claimed in claim 6, wherein a sleeve with a positioning slot is provided outside the screw rod, the sleeve being connected to the base plate; the lifting cylinder is arranged in the sleeve and is provided with a positioning block extending into the positioning groove.

8. A performance stage lifting device as claimed in claim 6, wherein the lifting plate is provided with at least three guide rods connected to the base plate, the guide rods being telescopic rods.