CN110792290B

CN110792290B - Portable removes stage

Info

Publication number: CN110792290B
Application number: CN201910968569.XA
Authority: CN
Inventors: 倪洪杰; 张丹; 刘安东; 俞文海; 吴立锋
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2021-02-26
Anticipated expiration: 2039-10-12
Also published as: CN110792290A

Abstract

The invention relates to the technical field of stages, in particular to a portable movable stage. The utility model provides a portable removes stage, includes the main part, the bottom of main part be provided with a plurality of gyro wheels, one side of main part be provided with the business turn over device, the business turn over device including fixing the backup pad at both ends about the main part respectively, be provided with the holding tank in one of them backup pad, the holding tank in be provided with elevator motor, elevator motor's output shaft have a lifting screw, lifting screw's the one end of keeping away from elevator motor rotate to be connected in another backup pad, lifting screw on threaded connection have a lifting nut, lifting nut on be connected with and prevent the deflector, prevent being connected with the lifter plate on the deflector. The invention can facilitate the actors to get on the stage, saves time and labor and has high safety.

Description

Portable removes stage

Technical Field

The invention relates to the technical field of stages, in particular to a portable movable stage.

Background

The stage is a space for providing a performance to the performer, and it can concentrate the attention of the audience on the performance of the performer and obtain a desired ornamental effect.

Because the stage has certain height, lead to the actor to need just can climb up the stage with the help of instruments such as cat ladder usually, waste time and energy, when the stage is higher moreover, the cat ladder also sets up highly, and danger is higher when leading to the actor to climb.

For example, Chinese patent publication numbers are: CN108422921A, an automatic expansion type movable stage announced in 2018, 8/21/h, comprising an upper top cover, side plates, stairs, a bottom plate, a stage screen, wheels, an electric cabinet, an oil tank, supporting legs and hydraulic cylinders, wherein the upper top cover is arranged above the side plates, the side plates are arranged above the bottom plate, the side plates are vertically connected with the bottom plate, the stairs are arranged at the left side of the bottom plate, the stairs and the bottom plate are welded together, the bottom plate is arranged below the stage screen, the bottom plate is vertically connected with the stage screen, the wheels, the electric cabinet and the oil tank are arranged below the bottom plate, the wheels are movably connected with the bottom plate, the electric cabinet is arranged at the left side of the oil tank, the electric cabinet is fixedly connected with the oil tank, the supporting legs are arranged below the bottom plate, and the supporting legs are vertically connected with the bottom plate. Stairs are also set high, resulting in high risk when actors climb.

Disclosure of Invention

The invention mainly aims at solving the problems that the prior actor usually can climb up the stage by means of tools such as a crawling ladder and the like, time and labor are wasted, and the crawling ladder is arranged higher when the stage is higher, so that the actor has higher danger when climbing, and provides a convenient and fast moving stage which can facilitate the actor to climb up the stage, is time-saving and labor-saving and has high safety.

The purpose of the invention is mainly realized by the following scheme: the utility model provides a portable removes stage, includes the main part, the bottom of main part be provided with a plurality of gyro wheels, one side of main part be provided with the business turn over device, the business turn over device including fixing the backup pad at both ends about the main part respectively, be provided with the holding tank in one of them backup pad, the holding tank in be provided with elevator motor, elevator motor's output shaft have a lifting screw, lifting screw's the one end of keeping away from elevator motor rotate to be connected in another backup pad, lifting screw on threaded connection have a lifting nut, lifting nut on be connected with and prevent the deflector, prevent being connected with the lifter plate on the deflector. The bottom of the main body is provided with a plurality of rollers, the rollers are arranged to facilitate the staff to push the stage to move to a proper position, one side of the main body is provided with an in-out device, the in-out device comprises support plates which are respectively fixed at the upper end and the lower end of the main body, one of the support plates is provided with a containing tank, a lifting motor is arranged in the containing tank, an output shaft of the lifting motor is connected with a lifting screw, one end of the lifting screw, which is far away from the lifting motor, is rotatably connected to the other support plate, a lifting nut is in threaded connection with the lifting screw, a deflection preventing plate is connected to the lifting nut, a lifting plate is connected to the deflection preventing plate, when an actor wants to board the stage main body, the lifting plate with a lower height position is firstly arrived, then the lifting motor is started, so that the output shaft of, thereby drive and prevent that deflection plate and lifter plate rise to and be close to stage main part upper surface department, and the actor of finally being convenient for steps on the main part of stage, labour saving and time saving, the security is high moreover.

Preferably, the main body is provided with an anti-deflection groove corresponding to the anti-deflection plate, and one end of the anti-deflection plate is positioned in the anti-deflection groove and is in sliding connection with the anti-deflection groove. The main part is provided with anti-deflection groove corresponding to the anti-deflection plate, and the anti-deflection groove is arranged along the direction of height of the main part, and the one end of the anti-deflection plate is positioned in the anti-deflection groove and connected with the anti-deflection groove in a sliding manner, so that the anti-deflection plate can not rotate when being lifted and moved under the action of the lifting nut due to the arrangement of the anti-deflection groove, and the stability is high.

Preferably, the support plate is welded to the body. The backup pad welding is in the main part, connects firmly long service life.

Preferably, the side of the main body is further provided with a protection device, the protection device comprises deflection motors arranged at two ends of the side of the main body, an output shaft of each deflection motor is connected with a rotating block, the rotating block is connected with protection plates, a plurality of protection ropes are connected between the two protection plates, and two ends of each protection rope are connected to the protection plates through connecting blocks. Still be provided with protector on the side of main part, because the actor can take place accident such as fall when performing on the stage, protector's design can play the effect of protection when the actor takes place to fall, protector is including corresponding the deflection motor who sets up at main part side both ends, deflection motor's output shaft has the commentaries on classics piece, be connected with the guard plate on the commentaries on classics piece, be connected with a plurality of protection ropes between two guard plates, the both ends of protection rope are passed through the connecting block and are connected on the guard plate, when specifically using, start deflection motor, deflection motor's output shaft drives the rotatory certain angle of commentaries on classics piece, then the commentaries on classics piece drives the guard plate simultaneously and rotates certain angle, thereby can make the actor weigh down when the actor takes place the accident and fall on the protection rope, play effectual guard.

Preferably, the connecting block is provided with a clamping groove, a clamping block is arranged in the clamping groove, the clamping block is connected with the bottom surface of the clamping groove through a limiting spring, the protection plate is provided with a clamping hole corresponding to the connecting block, and the side wall of the clamping hole is provided with a limiting groove corresponding to the clamping block. Be provided with the draw-in groove on the connecting block, be provided with the fixture block in the draw-in groove, through spacing spring coupling between the bottom surface of fixture block and draw-in groove, it is provided with the card hole to correspond the connecting block on the guard plate, it is provided with the spacing groove to correspond the fixture block on the lateral wall in card hole, the connecting block is a cylinder, when using the protection rope, extrude the fixture block toward the inside of draw-in groove earlier, then go into the fixture block on the guard plate with the direct card of connecting block in the card hole, when the connecting block removed the position that the fixture block corresponds the spacing groove, the fixture block pushes the fixture block spacing inslot under.

Preferably, the limiting groove is provided with a guide arc surface matched with the clamping block. Be provided with on the spacing groove with fixture block matched with direction cambered surface, after the installation of completion connecting block, the one end that spacing spring was kept away from to the fixture block supports in the direction cambered surface, if on will breaking away from the guard plate with the connecting block, rotate certain angle with the connecting block earlier, make the fixture block can remove along the direction cambered surface, when the one end that spacing spring was kept away from to the fixture block supported on the lateral wall in card hole, the spacing groove does not play limiting displacement to the fixture block, thereby can break away from the guard plate with the connecting block in, it is all very convenient to install and dismantle.

Preferably, the number of the rollers is four, and the four rollers are uniformly distributed at the bottom of the main body. The quantity of gyro wheel is four, and four gyro wheels evenly distributed are in the bottom of main part for the main part is high in the stability when removing.

Therefore, the portable movable stage has the following advantages: the invention has simple operation, can facilitate the actors to board the stage, saves time and labor, has the protection function when the actors fall down due to the design of the protection device, and has high safety.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the connecting block of the present invention.

Fig. 3 is a cross-sectional view at a-a in fig. 2.

FIG. 4 is a schematic structural view of a guard plate according to the present invention.

Fig. 5 is a sectional view at B in fig. 4.

Illustration of the drawings: 1-rotating block, 2-deflection motor, 3-protective plate, 4-connecting block, 5-protective rope, 6-main body, 7-supporting plate, 8-deflection preventing groove, 9-lifting plate, 10-accommodating groove, 11-lifting motor, 12-roller, 13-clamping block, 14-clamping groove, 15-limiting spring, 16-clamping hole, 17-limiting groove, 18-deflection preventing plate, 19-lifting nut, 20-lifting screw rod and 21-guiding cambered surface.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example 1:

as shown in figure 1, the portable movable stage comprises a main body 6, a plurality of rollers 12 are arranged at the bottom of the main body 6, the rollers 12 are convenient for workers to push the stage to move to a proper position, the number of the rollers 12 is four, the four rollers 12 are uniformly distributed at the bottom of the main body 6, so that the stability of the main body 6 during moving is high, one side of the main body 6 is provided with an in-out device which comprises support plates 7 respectively fixed at the upper end and the lower end of the main body 6, the support plates 7 are welded on the main body 6, the connection is stable, the service life is long, one support plate 7 is provided with an accommodating groove 10, a lifting motor 11 is arranged in the accommodating groove 10, an output shaft of the lifting motor 11 is connected with a lifting screw rod 20, one end of the lifting screw rod 20, which is far away from the lifting motor 11, be connected with on the lifting nut 19 and prevent deflection board 18, be connected with lifter plate 9 on preventing deflection board 18, when the actor will step on stage main part 6, arrive earlier on the lower lifter plate 9 of high position, then start elevator motor 11, thereby make elevator motor 11's output shaft drive lifting screw 20 rotatory, lifting screw 20 is rotatory to make and to go up lifting nut 19 with lifting screw 20 threaded connection along lifting screw 20's axial direction rebound, thereby it rises to being close to stage main part 6 upper surface department to drive and prevent deflection board 18 and lifter plate 9, finally be convenient for step on stage main part 6, time saving and labor saving, and the security is high.

Correspond on the main part 6 and prevent that deflector 18 is provided with and prevent deflection groove 8, prevent that deflection groove 8 sets up along the direction of height of main part 6, prevent that the one end of deflector 18 is located prevent deflection groove 8 and with prevent deflection groove 8 sliding connection, prevent that the setting of deflection groove 8 makes prevent that deflector 18 can not take place the rotation when carrying out lifting movement under lifting nut 19's effect, stability is high.

The side surface of the main body 6 is also provided with a protective device, because the actor can be subjected to accidents such as falling when performing on the stage, the protective device can play a role of protection when the actor falls, the protective device comprises deflection motors 2 correspondingly arranged at two ends of the side surface of the main body 6, an output shaft of the deflection motor 2 is connected with a rotating block 1, the rotating block 1 is connected with a protective plate 3, a plurality of protective ropes 5 are connected between the two protective plates 3, two ends of each protective rope 5 are connected with the protective plates 3 through connecting blocks 4, when the protective device is used specifically, starting the deflection motor 2, the output shaft of the deflection motor 2 drives the rotating block 1 to rotate for a certain angle, then the turning block 1 drives the protection plate 3 to rotate by a certain angle at the same time, so that the actor falls down on the protection rope 5 when the actor falls accidentally, and the actor is effectively protected.

As shown in fig. 2, 3 and 4, a clamping groove 14 is formed in the connecting block 4, a clamping block 13 is arranged in the clamping groove 14, the clamping block 13 is connected with the bottom surface of the clamping groove 14 through a limiting spring 15, a clamping hole 16 is formed in the protection plate 3 corresponding to the connecting block 4, a limiting groove 17 is formed in the side wall of the clamping hole 16 corresponding to the clamping block 13, the connecting block 4 is a cylinder, when the protection rope 5 is used, the clamping block 13 is firstly extruded into the clamping groove 14, then the connecting block 4 is directly clamped into the clamping hole 16 in the protection plate 3, when the connecting block 4 moves to the position where the clamping block 13 corresponds to the limiting groove 17, the clamping block 13 is pushed into the limiting groove 17 by the clamping block 13 under the action of the limiting spring 15, so that the connecting block 4 is fixed; as shown in fig. 5, be provided with on the spacing groove 17 with fixture block 13 matched with direction cambered surface 21, after the installation of completion connecting block 4, the one end that spacing spring 15 was kept away from to fixture block 13 supports on direction cambered surface 21, if on will breaking away from protection plate 3 with connecting block 4, rotate certain angle with connecting block 4 earlier, make fixture block 13 can remove along direction cambered surface 21, when the one end that spacing spring 15 was kept away from to fixture block 13 supports on the lateral wall of card hole 16, spacing groove 17 does not play limiting displacement to fixture block 13, thereby can break away from in protection plate 3 with connecting block 4, it is all very convenient to install and dismantle.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. A portable movable stage is characterized by comprising a main body, wherein a plurality of idler wheels are arranged at the bottom of the main body, an in-out device is arranged on one side of the main body and comprises support plates which are respectively fixed at the upper end and the lower end of the main body, an accommodating groove is formed in one of the support plates, a lifting motor is arranged in the accommodating groove, an output shaft of the lifting motor is connected with a lifting screw rod, one end of the lifting screw rod, which is far away from the lifting motor, is rotatably connected to the other support plate, a lifting nut is in threaded connection with the lifting screw rod, a deflection preventing plate is connected to the lifting nut, and a lifting plate is connected to the deflection preventing plate; the side surface of the main body is also provided with a protective device, the protective device comprises deflection motors arranged at two ends of the side surface of the main body, an output shaft of each deflection motor is connected with a rotating block, the rotating block is connected with a protective plate, a plurality of protective ropes are connected between the two protective plates, and two ends of each protective rope are connected to the protective plates through connecting blocks; the protective plate is characterized in that a clamping groove is formed in the connecting block, a clamping block is arranged in the clamping groove, the clamping block is connected with the bottom surface of the clamping groove through a limiting spring, a clamping hole is formed in the protective plate corresponding to the connecting block, and a limiting groove is formed in the side wall of the clamping hole corresponding to the clamping block.

2. A portable stage according to claim 1 wherein the main body is provided with an anti-deflection slot corresponding to the anti-deflection plate, and one end of the anti-deflection plate is located in the anti-deflection slot and slidably connected to the anti-deflection slot.

3. A portable stage according to claim 1, wherein the support plate is welded to the main body.

4. A portable movable stage according to claim 1, wherein the limiting groove is provided with a guiding arc surface which is matched with the block.

5. A portable stage according to claim 1, 2 or 3, wherein the number of rollers is four, and four rollers are uniformly distributed on the bottom of the main body.