CN212897804U

CN212897804U - Revolving stage

Info

Publication number: CN212897804U
Application number: CN202021032389.5U
Authority: CN
Inventors: 蔡荣
Original assignee: Jiangsu Nanyang Stage Equipment Co ltd
Current assignee: Jiangsu Nanyang Stage Equipment Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-04-06
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a revolving stage, a supporting frame and a bedplate arranged at the top of the supporting frame, wherein the supporting frame is provided with a rotary driving mechanism for driving the bedplate to rotate relative to the supporting frame and a vertically lifting scissor fork mechanism, the scissor fork mechanism comprises a mounting plate, two symmetrical connecting plates and a telescopic fork, the telescopic fork comprises a plurality of first arm plates and second arm plates which are arranged in a crossed manner, the inner side of the telescopic fork is provided with at least one hydraulic cylinder, the bottom of the hydraulic cylinder and the end part of a hydraulic rod of the hydraulic cylinder are respectively provided with a hinged seat, the crossed part of the first arm plate and the second arm plate which are arranged at the top of the telescopic fork is provided with a second support plate, a first telescopic joint which passes through the second support plate is arranged between the supporting frame and the mounting plate, the revolving stage has both revolving and lifting functions, the first telescopic joint is guided in the lifting process to ensure that the, the second telescopic joint is gradually telescopic to prevent the performer from falling off by mistake, so that the safety of the device is improved.

Description

Revolving stage

Technical Field

The utility model relates to a revolving stage belongs to stage mechanical equipment technical field.

Background

The revolving stage is designed specially for stage performance, is widely applied to the stage machinery of the product exhibition and the exhibition of the cultural entertainment places such as halls, movie theaters, multifunctional halls, studio, cultural stadiums, hotels and the like and the large exhibition, and generally comprises a bedplate, a track or a support frame for supporting the rotation of an upper table top and a driving structure for driving the relative rotation of the bedplate. In order to meet the requirements of the stage, the revolving stage is also used together with the lifting mechanism so as to rotate independently or synchronously, thereby bringing various stage effects.

However, when the lifting mechanism driven by the scissor fork mechanism in the prior art is applied to the revolving stage, the scissor fork mechanism needs to fix one end, and the other end slides along with the lifting and stretching, so that the whole gravity center and the rotating gravity center of the scissor fork mechanism deviate, the supporting stability during the operation of the revolving stage is influenced, meanwhile, because the lifting revolving stage is higher than other stage planes in the lifting process, the lifting machinery is exposed, the gap between the lifting revolving stage and other stage plane machinery is larger, and the performance personnel easily fall into the machinery to cause safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a revolving stage, have rotation and raising and lowering functions concurrently, and the first telescopic joint direction of lift in-process makes the focus and the centre of rotation of scissors fork mechanism keep unanimous, and support stability and reliability when revolving stage moves, the second telescopic joint is flexible step by step and is blocked to protect and prevent that performance personnel mistake from falling improve equipment security.

The utility model discloses a realize through following technical scheme:

a revolving stage comprises a support frame and a bedplate arranged at the top of the support frame, wherein a rotary driving mechanism for driving the bedplate to rotate relative to the support frame and a vertically lifting scissor fork mechanism are arranged on the support frame, the scissor fork mechanism comprises a mounting plate, two symmetrical connecting plates which are connected with the support frame and are arranged at two sides of the rotary driving mechanism, and a telescopic fork arranged between the mounting plate and the corresponding connecting plate, slide rails which are respectively matched with the bottom and the top of the telescopic fork are arranged on the mounting plate and the connecting plates, and the telescopic fork comprises a plurality of first arm plates and second arm plates which are arranged in a crossed manner;

positioning shafts are arranged at the intersection of the first arm plate and the second arm plate and at the end parts of the adjacent first arm plate and the second arm plate, rollers which are in rolling fit with the sliding rails are arranged on the two sides of the first arm plate and the second arm plate at the two ends of the telescopic fork, guide shafts which are perpendicular to the first arm plate or the second arm plate are arranged on the rollers, and guide holes which are parallel to the sliding rails and in clearance fit with the outer walls of the guide shafts are arranged on the connecting plate and the mounting plate;

the inner side of the telescopic fork is provided with at least one hydraulic cylinder, the bottom of the hydraulic cylinder and the end part of a hydraulic rod of the hydraulic cylinder are both provided with a hinge seat, a first support plate perpendicular to the telescopic fork is arranged on a second arm plate connected with the end part of the first arm plate and the end part of the first arm plate of the hinge seat, a second support plate is arranged at the intersection of the first arm plate and the second arm plate at the top of the telescopic fork, and a first telescopic joint penetrating through the second support plate is arranged between the support frame and the mounting plate;

the supporting frame bottom is equipped with around supporting frame a week even interval set up, just be located the outside a plurality of second telescopic joints of scissors fork mechanism, first telescopic joint and second telescopic joint all include the first festival body that links to each other with the supporting frame, be located the first festival internal portion second festival body nested each other, with the second festival body nestification of tip and the third festival body that links to each other with the mounting panel, first festival body, second festival body cross-section all are Z shape structure, third festival body cross-section is I-shaped structure.

The utility model has the advantages that:

(1) when the rotary driving mechanism drives the bedplate to rotate relative to the supporting frame, a hydraulic rod of the hydraulic cylinder extends and is hinged to adapt to deflection, under the driving action of the first support plate, a first arm plate and a second arm plate of the telescopic fork change included angles around the positioning shaft, so that the longitudinal length of the telescopic fork integrally extends, the supporting frame pulls the first telescopic joint to extend step by step to be matched with the second support plate to play a role in guiding, the roller rolls from two sides to the center along the sliding rail to reduce friction resistance, the guiding shaft moves along the guiding hole for guiding, the gravity center of the scissor fork mechanism is consistent with the rotating center in the lifting process, and the supporting stability and reliability of the rotary stage during operation are improved;

(2) the first section body, the second section body and the third section body that the second telescopic joint was nested each other in support frame lift process are flexible step by step, and the extension of second telescopic joint plays the guard effect when the support frame rose, prevents that the performance personnel from hanging into scissors fork mechanism from the space mistake of other stage planes and platen bottom, is showing improvement security.

Drawings

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

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

Fig. 3 is a top view of the present invention.

Fig. 4 is a cross-sectional view in the direction AA of fig. 3.

Fig. 5 is a cross-sectional view in the BB direction of fig. 3.

Fig. 6 is a sectional view taken in the direction CC of fig. 3.

The labels in the figure are: the cutting machine comprises a support frame 1, a table plate 2, a scissor fork mechanism 3, a rotating motor 4, a motor shaft 5, a mounting plate 31, a connecting plate 32, a telescopic fork 33, a sliding rail 6, a first arm plate 331, a second arm plate 332, a positioning shaft 7, a roller 8, a guide shaft 9, a guide hole 10, a hydraulic cylinder 11, a hydraulic rod 12, a hinged seat 13, a first support plate 14, a second support plate 15, a first telescopic joint 16, a connecting rod 17, a C-shaped connecting plate 18, a mounting hole array 19, a second telescopic joint 20, a first joint body 21, a second joint body 22 and a third joint body 23.

Detailed Description

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

A revolving stage comprises a support frame 1 and a bedplate 2 positioned at the top of the support frame 1, wherein a rotary driving mechanism for driving the bedplate 2 to rotate relative to the support frame 1 and a vertically lifting scissor fork mechanism 3 are arranged on the support frame 1, the rotary driving mechanism is a rotary motor 4 connected with the support frame 1, and a motor shaft 5 of the rotary motor 4 penetrates through the support frame 1 and is fixedly connected with the bedplate 2;

the scissors fork mechanism 3 comprises a mounting plate 31, two symmetrical connecting plates 32 which are connected with the support frame 1 and are positioned at two sides of the rotary driving mechanism, and a telescopic fork 33 which is positioned between the mounting plate 31 and the corresponding connecting plates 32, wherein slide rails 6 which are respectively matched with the bottom and the top of the telescopic fork 33 are arranged on the mounting plate 31 and the connecting plates 32, and the telescopic fork 33 comprises a plurality of first arm plates 331 and second arm plates 332 which are arranged in a crossed manner;

the cross part of the first arm plate 331 and the second arm plate 332 and the end parts of the adjacent first arm plate 331 and the adjacent second arm plate 332 are respectively provided with a positioning shaft 7, two sides of the first arm plate 331 and the second arm plate 332 at two ends of the telescopic fork 33 are respectively provided with a roller 8 which is in rolling fit with the sliding rail 6, the roller 8 is provided with a guide shaft 9 which is perpendicular to the first arm plate 331 or the second arm plate 332, and the connecting plate 32 and the mounting plate 31 are respectively provided with a guide hole 10 which is parallel to the sliding rail 6 and is in clearance fit with the outer wall of the guide shaft 9;

at least one hydraulic cylinder 11 is arranged on the inner side of the telescopic fork 33, hinged seats 13 are arranged at the bottom of the hydraulic cylinder 11 and at the end of a hydraulic rod 12 of the hydraulic cylinder 11, a first support plate 14 perpendicular to the telescopic fork 33 is arranged on a second arm plate 332, which is connected with the end of the first arm plate 331 and the end of the first arm plate 331, of the hinged seat 13, a second support plate 15 is arranged at the intersection of the first arm plate 331 and the second arm plate 332, which are positioned at the top of the telescopic fork 33, and a first telescopic joint 16 penetrating through the second support plate 15 is arranged between the support frame 1 and the mounting plate 31;

a connecting rod 17 perpendicular to the telescopic fork 33 is arranged at the end part, corresponding to the first arm plate 331 or the second arm plate 332, of the telescopic fork 33 on the connecting plates 32 on the two sides, a C-shaped connecting plate 18 is arranged between the second support plates 15 of the telescopic fork 33 on the connecting plates 32 on the two sides, and a mounting hole array 19 perpendicular to the track is arranged on the mounting plate 31;

1 bottom of support frame is equipped with around 1 a week of support frame even interval setting, and is located the outside a plurality of second telescopic joint 20 of scissors fork mechanism 3, first telescopic joint 16 and second telescopic joint 20 all include the first festival body 21 that links to each other with support frame 1, be located the first festival body 21 inside second festival body 22 nested each other, with the second festival body 22 nestification of tip and the third festival body 23 that links to each other with mounting panel 31, first festival body 21, the second festival body 22 cross-section all are Z shape structure, the third festival body 23 cross-section is the I-shaped structure.

The utility model discloses a theory of operation does:

the whole machine is fixed on the stage through the mounting hole array 19, the stage surface is flush with the plane of other stages, the rotary motor 4 is used as a rotary driving mechanism, the motor shaft 5 of the rotary motor 4 drives the stage plate 2 to synchronously rotate, so that the stage plate 2 rotates relative to the support frame 1, and the stage rotation is realized;

when a revolving stage, namely the bedplate 2 is required to lift, different from the traditional scissor fork mechanism 3, the hydraulic oil supply system is connected with the hydraulic oil supply system through the hydraulic cylinder 11, when the hydraulic rod 12 of the hydraulic cylinder 11 extends, the hydraulic cylinder 11 and the hydraulic rod 12 adapt to deflection around hinging, under the driving action of the first support plate 14 which is vertically connected, the first arm plate 331 and the second arm plate 332 of the telescopic fork 33 both change included angles around the positioning shaft 7, so that the longitudinal length of the telescopic fork 33 is integrally extended, the connecting rod 17 improves the synchronous operation stability of the telescopic forks 33 on two sides, and the support frame 1 is pushed to rise to enable the bedplate 2 to be higher than other stage planes;

in the ascending process, the support frame 1 pulls the first telescopic joint 16, the first joint body 21, the second joint body 22 and the third joint body 23 which are mutually nested extend out step by step under the pulling action, the extension adapts to the ascending of the bedplate 2, as the first telescopic joint 16 penetrates through the second support plate 15 of the telescopic fork 33 at the intersection of the first arm plate 331 and the second arm plate 332 at the top, the structural strength is improved through the C-shaped connecting plate 18 between the second support plates 15 of the telescopic forks 33 on the connecting plates 32 at two sides, and the mounting abdication is carried out for the rotating motor 4;

referring to fig. 5 and 6, the first section body 21 and the second support plate 15 are in clearance fit to play a role in guiding, the first arm plate 331 and the second arm plate 332 are always located in a vertical plane of the first telescopic section 16 when the telescopic fork 33 is telescopic, so that a positioning function is achieved, the roller 8 rolls from two sides to the center along the slide rail 6 to reduce friction resistance, and the guide shaft 9 moves along the guide hole 10 to guide to ensure stable and reliable movement;

in the same way, in the reverse contraction process, the hydraulic rod 12 of the hydraulic cylinder 11 contracts, the telescopic fork 33 contracts, the roller 8 rolls reversely, and the first section body 21, the second section body 22 and the third section body 23 of the first telescopic section 16 are nested with each other again, so that the bedplate 2 is flush with other stage planes again, the gravity center and the rotation center of the scissor fork mechanism 3 are kept consistent in the lifting process, and the support stability and the reliability of the rotary stage during operation are improved;

the telescopic principle of the second telescopic joint 20 in the lifting process of the support frame 1 is the same as that of the first telescopic joint 16, the second telescopic joint 20 extends to play a role in blocking and protecting when the support frame is lifted, so that performers are prevented from being mistakenly hung into the scissor fork mechanism 3 from spaces at the bottoms of other stage planes and the bedplate 2, and the safety is obviously improved.

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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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 revolving stage comprises a support frame and a bedplate arranged at the top of the support frame, wherein a rotary driving mechanism for driving the bedplate to rotate relative to the support frame and a vertically lifting scissor fork mechanism are arranged on the support frame;

the telescopic fork is characterized in that a positioning shaft is arranged at the intersection of the first arm plate and the second arm plate, the adjacent first arm plate and the end of the second arm plate, rollers matched with sliding rails in a rolling manner are arranged on the two sides of the first arm plate and the second arm plate at the two ends of the telescopic fork, at least one hydraulic cylinder is arranged on the inner side of the telescopic fork, hinged seats are arranged at the bottom of the hydraulic cylinder and the end of a hydraulic rod of the hydraulic cylinder, a first support plate perpendicular to the telescopic fork is arranged on the hinged seat and the second arm plate connected with the end of the first arm plate and the end of the first arm plate, a second support plate is arranged at the intersection of the first arm plate and the second arm plate at the top of the telescopic fork, and a first telescopic section penetrating through the second support plate is arranged between the support frame and the mounting plate.

2. A revolving stage according to claim 1, wherein the rotary drive mechanism is a rotary motor coupled to the support frame, the motor shaft of the rotary motor passing through the support frame and being fixedly coupled to the table.

3. A revolving stage according to claim 1, wherein the rollers are provided with guide shafts perpendicular to the first arm plate or the second arm plate, and the connecting plate and the mounting plate are provided with guide holes parallel to the slide rails and in clearance fit with the outer walls of the guide shafts.

4. A revolving stage according to claim 1, wherein the end of the corresponding first or second arm of the telescopic fork on the two side connection plates is provided with a connecting rod perpendicular to the telescopic fork.

5. A revolving stage according to claim 1, wherein the C-shaped connecting plate is provided between the second brackets of the telescopic forks on the two side connecting plates.

6. A revolving stage according to claim 1, wherein the mounting plate is provided with an array of mounting holes perpendicular to the track.

7. A revolving stage according to any one of claims 1 to 6, wherein the bottom of the support frame is provided with a plurality of second telescopic joints which are arranged around the support frame at regular intervals and outside the scissor fork mechanism.

8. The revolving stage of claim 7, wherein the first and second telescoping sections each comprise a first section connected to the support frame, a second section nested inside the first section, and a third section nested inside the second section at the end and connected to the mounting plate, wherein the first and second sections each have a Z-shaped cross-section, and the third section has an i-shaped cross-section.