CN210084825U

CN210084825U - Special lifting machine for stage

Info

Publication number: CN210084825U
Application number: CN201920589125.0U
Authority: CN
Inventors: 张晓勇; 田薇
Original assignee: Shaoxing Fengcheng Culture Communication Co Ltd
Current assignee: Shaoxing Fengcheng Culture Communication Co Ltd
Priority date: 2019-04-27
Filing date: 2019-04-27
Publication date: 2020-02-18
Anticipated expiration: 2029-04-27

Abstract

The utility model discloses a special lifting machine of stage, including four lift posts, four the adjacent both sides of lift post are seted up flutedly, two be equipped with elevating system between the lift post, four two sets of elevating system, four are become to the lift post be equipped with the backup pad between the chain, four the bottom joint of lift post has the bottom plate, be equipped with actuating mechanism on the bottom plate. The utility model has the advantages that: when needing to rise, open actuating mechanism, actuating mechanism gives the elevating system of both sides power transmission for two elevating system drive the backup pad in step and rise, when needing to descend, open the actuating mechanism reversal, make the elevating system of both sides drive the backup pad in step and descend, this equipment structure is simple, high durability and convenient use, and the backup pad drives the backup pad through two sets of elevating system in step and rises or descend, it is more stable when making the backup pad remove, security when having improved equipment usage.

Description

Special lifting machine for stage

Technical Field

The utility model relates to a lifting machine technical field specifically is a special lifting machine of stage.

Background

At present, various publicity activities such as propaganda activities, wedding, celebration activities and the like mostly use a stage when a field is built, and the stage is a space provided for performers to perform, so that the audience can concentrate on the performance of the performers and obtain an ideal ornamental effect. Most stages are all fixed, can't adjust the height of stage, and the lifting machine that current stage was used generally utilizes motor direct lifting or decline through wire rope tie-down stage on the market, realizes the lift or the suspension of stage, but ordinary lifting machine generally only uses a wire rope, when promoting great stage, wire rope's factor of safety is lower, stability is relatively poor, and the stage board after the rise has the condition of rocking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special lifting machine of stage in order to solve foretell problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a special lifting machine of stage, including four lift posts, four the adjacent both sides of lift post are seted up flutedly, two be equipped with elevating system, four between the lift post two sets of elevating system are become to the lift post, elevating system includes first transfer line and second transfer line, the equal fixedly connected with first sprocket in both ends of first transfer line, the equal fixedly connected with second sprocket in both ends of second transfer line, connect through chain drive between first sprocket and the second sprocket, four be equipped with the backup pad between the chain, four the bottom joint of lift post has the bottom plate, be equipped with actuating mechanism on the bottom plate, actuating mechanism is used for driving two sets of elevating system synchronous motion.

Preferably, the first transmission rod and the second transmission rod are positioned between the two lifting columns, and the first transmission rod is positioned right above the second transmission rod.

Preferably, the driving mechanism comprises a double-shaft motor, the output end of the double-shaft motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a first bevel gear, a second bevel gear is arranged on the second transmission rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, one of the lifting columns is internally provided with a first limit switch and a second limit switch, the first limit switch is positioned above the inner wall of the groove, the second limit switch is positioned below the inner wall of the groove, a chain in the lifting column is provided with a first contact block and a second contact block, the first contact block is matched with the first limit switch, and the second contact block is matched with the second limit switch.

Preferably, the support plate is provided with a stage plate, and a buffer device is arranged between the support plate and the stage plate.

Preferably, the buffer device comprises an upper fixing rod, a lower fixing rod, a sleeve and a connecting piece, the upper fixing rod is fixedly connected to the bottom of the stage plate, the lower fixing rod is fixedly connected to the top of the supporting plate, the sleeve is sleeved between the upper fixing rod and the lower fixing rod, and the upper fixing rod and the lower fixing rod are connected through the connecting piece.

Preferably, the bottom of the upper fixing rod and the top of the lower fixing rod are both connected with limiting blocks, and the limiting blocks are used for preventing the upper fixing rod and the lower fixing rod from being separated from the sleeve.

Preferably, the connecting member is a spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the top of the lifting column of the utility model is level with the stage, when needing to rise, firstly, a user is needed to stand on the support plate, then the driving mechanism is started, the driving mechanism transmits power to the lifting mechanisms at two sides, the two second transmission rods synchronously rotate, the two second transmission rods synchronously drive the second chain wheels to rotate, the second chain wheels drive the first chain wheels to rotate through chains, the first chain wheels synchronously drive the first transmission rods to rotate, and simultaneously when the two chains synchronously rotate, the support plate is driven to move, so that one driving mechanism drives the two lifting mechanisms to synchronously rotate, when the support plate rises to the top, the worker rises from the bottom of the stage to the level position of the stage, when needing to fall, the principle is the same as that when rising, the driving mechanism is started to reversely rotate, so that the lifting mechanisms at two sides synchronously drive the support plate to fall, and the worker on the support plate is moved to the lower, this equipment structure is simple, convenient to use, and the backup pad drives the backup pad through two sets of elevating system synchronization and rises or descend for it is more stable when the backup pad removes, security when having improved equipment usage.

Drawings

Fig. 1 is a schematic structural view of a support plate of the special stage hoist of the present invention during landing;

fig. 2 is a schematic structural view of the special stage hoist of the present invention when the supporting plate is lifted;

fig. 3 is a top view of the driving mechanism in the special stage hoist of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

fig. 5 is the structural schematic diagram of the driving mechanism in the special stage hoister of the utility model.

Reference numerals: 1. a lifting column; 2. a groove; 3. a support plate; 4. a base plate; 5. a first drive lever; 6. a second transmission rod; 7. a first sprocket; 8. a second sprocket; 9. a chain; 10. a double-shaft motor; 11. a rotating shaft; 12. a first bevel gear; 13. a second bevel gear; 14. a first limit switch; 15. a second limit switch; 16. a first contact block; 17. a second contact block; 18. a stage plate; 19. an upper fixing rod; 20. a lower fixing rod; 21. a sleeve; 22. a connecting member; 23. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-5, a special stage lifting machine includes four lifting columns 1, two adjacent sides of the four lifting columns 1 are provided with grooves 2, a lifting mechanism is disposed between the two lifting columns 1, the four lifting columns 1 form two sets of lifting mechanisms, the lifting mechanism includes a first transmission rod 5 and a second transmission rod 6, two ends of the first transmission rod 5 are fixedly connected with a first chain wheel 7, two ends of the second transmission rod 6 are fixedly connected with a second chain wheel 8, the first chain wheel 7 and the second chain wheel 8 are in transmission connection through a chain 9, a support plate 3 is disposed between the four chains 9, bottom plates 4 are clamped at bottoms of the four lifting columns 1, and a driving mechanism is disposed on the bottom plates 4 and used for driving the two sets of lifting mechanisms to move synchronously.

When the top of the lifting column 1 is flush with the stage and needs to rise, a user needs to stand on the support plate 3, then the driving mechanism is started, the driving mechanism transmits power to the lifting mechanisms on the two sides, the two second transmission rods 6 rotate synchronously, the two second transmission rods 6 drive the second chain wheel 8 to rotate synchronously, the second chain wheel 8 drives the first chain wheel 7 to rotate through the chain 9, the first chain wheel 7 rotates and drives the first transmission rod 5 to rotate synchronously, the two chains 9 rotate synchronously and drive the support plate 3 to move, so that the driving mechanism drives the two lifting mechanisms to operate synchronously, when the support plate 3 rises to the top, the worker can rise from the bottom of the stage to the horizontal height position of the stage, when the support plate needs to fall, the principle is the same as that when the support plate rises, the driving mechanism is started to rotate reversely, so that the lifting mechanisms on the two sides synchronously drive the support, move the staff in backup pad 3 to the stage below, this equipment structure is simple, convenient to use, and backup pad 3 drives backup pad 3 through two sets of elevating system in step and rises or descend for it is more stable when backup pad 3 removes, security when having improved equipment usage.

First transfer line 5 and second transfer line 6 are located between two lift posts 1, and first transfer line 5 is located directly over second transfer line 6, and actuating mechanism includes double-shaft motor 10, and double-shaft motor 10's output fixedly connected with pivot 11, the first bevel gear 12 of one end fixedly connected with of pivot 11 is equipped with second bevel gear 13 on the second transfer line 6, and first bevel gear 12 and second bevel gear 13 mesh mutually.

The driving mechanism is started, the double-shaft motor 10 is enabled to operate, output values at two ends of the double-shaft motor 10 are consistent, rotating shafts 11 at two ends of an output end rotate synchronously, the rotating shafts 11 rotate to drive first bevel gears 12 to rotate, the first bevel gears 12 rotate to drive second bevel gears 13 meshed with the first bevel gears to rotate, the second bevel gears 13 rotate to synchronously rotate two second transmission rods 6, power transmission is achieved, and the double-shaft motor 10 is of a type with a brand of Guining electromechanical model and a model of YS 712-2.

A first limit switch 14 and a second limit switch 15 are arranged in one lifting column 1, the first limit switch 14 is positioned above the inner wall of the groove 2, the second limit switch 15 is positioned below the inner wall of the groove 2, a chain 9 in the lifting column 1 is provided with a first contact block 16 and a second contact block 17, the first contact block 16 is matched with the first limit switch 14, the second contact block 17 is matched with the second limit switch 15, the first limit switch 14 is connected with the double-shaft motor 10 in series and belongs to a normally closed state, the second limit switch 15 is connected with the double-shaft motor 10 in series and belongs to a normally closed state, when the lifting mechanism drives the supporting plate 3 to ascend or descend, the chain 9 in the lifting mechanism rotates to synchronously drive the first contact block 16 and the second contact block 17 to synchronously move, when the supporting plate 3 moves to the bottom, the second contact block 17 can touch the second limit switch 15, so that the double-shaft motor 10 breaks a circuit, stopping the operation of the double-shaft motor 10, when the supporting plate 3 moves to the top, the first contact block 16 will touch the first limit switch 14, so that the double-shaft motor 10 is disconnected from the circuit, stopping the operation of the double-shaft motor 10, and realizing the advantage that the supporting plate 3 can automatically stop moving to the highest point and the lowest point, wherein the first limit switch 14 and the second limit switch 15 are of a type with a brand of JC and a model of JC-TS 10.

Be equipped with stage board 18 on the backup pad 3, and be equipped with buffer between backup pad 3 and the stage board 18, buffer includes dead lever 19, lower dead lever 20, sleeve pipe 21 and connecting piece 22, go up dead lever 19 fixed connection in the bottom of stage board 18, lower dead lever 20 fixed connection is at the top of backup pad 3, sleeve pipe 21 cover is established between last dead lever 19 and lower dead lever 20, go up and connect through connecting piece 22 between dead lever 19 and the lower dead lever 20, connecting piece 22 is the spring, the bottom of going up dead lever 19 and the top of lower dead lever 20 all are connected with stopper 23, stopper 23 is used for preventing to go up dead lever 19 and lower dead lever 20 and breaks away from sleeve pipe 21.

When a performer stands on the stage plate 18, the connecting piece 22 has a certain supporting force, the stage plate 18 cannot move downwards, when the supporting plate 3 rises to the highest point, the stage plate 18 is flush with the stage, the performer can directly walk out of the stage plate 18 to the stage to perform, in some performance occasions, the performer can stand on the stage in a jumping mode, so that the performer has more shock when leaving the field, but when the performer has the power to jump, a downward impact force can be generated, the balance of the performer standing on the stage plate 18 is broken, so that the stage plate 18 moves downwards, when the stage plate 18 moves downwards, the upper fixing rod 19 is synchronously driven to move downwards, so that the connecting piece 22 in the sleeve 21 is extruded, part of the downward impact force is consumed, and the connecting piece 22 is restored due to the elasticity of the connecting piece 22, and is restored to be in an original state to form an extrusion force which is mutually offset, when the performer jumps, the shaking of the supporting plate 3 caused by the jumping is reduced, the buffering effect is achieved, and the connecting piece 22 can select springs with different bearing capacities according to the weight of the performer.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a special lifting machine of stage, includes four lift post (1), its characterized in that: four recess (2) are seted up to the adjacent both sides in lift post (1), two be equipped with elevating system between lift post (1), four lift post (1) forms two sets of elevating system, elevating system includes first transfer line (5) and second transfer line (6), the equal fixedly connected with first sprocket (7) in both ends of first transfer line (5), the equal fixedly connected with second sprocket (8) in both ends of second transfer line (6), connect through chain (9) transmission between first sprocket (7) and second sprocket (8), four be equipped with backup pad (3) between chain (9), four the bottom joint of lift post (1) has bottom plate (4), be equipped with actuating mechanism on bottom plate (4), actuating mechanism is used for driving two sets of elevating system synchronous motion.

2. A special stage hoister as claimed in claim 1, characterized in that: the first transmission rod (5) and the second transmission rod (6) are located between the two lifting columns (1), and the first transmission rod (5) is located right above the second transmission rod (6).

3. A special stage hoister as claimed in claim 1, characterized in that: the driving mechanism comprises a double-shaft motor (10), the output end of the double-shaft motor (10) is fixedly connected with a rotating shaft (11), one end of the rotating shaft (11) is fixedly connected with a first bevel gear (12), a second bevel gear (13) is arranged on the second transmission rod (6), and the first bevel gear (12) is meshed with the second bevel gear (13).

4. A special stage hoister as claimed in claim 1, characterized in that: one of them be equipped with first limit switch (14) and second limit switch (15) in lifting column (1), first limit switch (14) are located the top of recess (2) inner wall, second limit switch (15) are located the below of recess (2) inner wall, and are equipped with first contact piece (16) and second contact piece (17) on chain (9) in lifting column (1), first contact piece (16) cooperate with first limit switch (14), second contact piece (17) cooperate with second limit switch (15).

5. A special stage hoister as claimed in claim 1, characterized in that: the stage board (18) is arranged on the supporting board (3), and a buffer device is arranged between the supporting board (3) and the stage board (18).

6. A special stage hoister as claimed in claim 5, characterized in that: the buffering device comprises an upper fixing rod (19), a lower fixing rod (20), a sleeve (21) and a connecting piece (22), wherein the upper fixing rod (19) is fixedly connected to the bottom of the stage plate (18), the lower fixing rod (20) is fixedly connected to the top of the supporting plate (3), the sleeve (21) is sleeved between the upper fixing rod (19) and the lower fixing rod (20), and the upper fixing rod (19) and the lower fixing rod (20) are connected through the connecting piece (22).

7. A special stage hoister as claimed in claim 6, characterized in that: the bottom of the upper fixing rod (19) and the top of the lower fixing rod (20) are both connected with limiting blocks (23), and the limiting blocks (23) are used for preventing the upper fixing rod (19) and the lower fixing rod (20) from being separated from the sleeve (21).

8. A special stage hoister as claimed in claim 6, characterized in that: the connecting piece (22) is a spring.