CN214786360U

CN214786360U - A safe elevating gear for stage performance

Info

Publication number: CN214786360U
Application number: CN202120202816.8U
Authority: CN
Inventors: 金玉龙; 朱雪萍; 吴俊华; 查丛辰
Original assignee: Suzhou Industrial Park Shanglian Advertising Public Relations Co ltd
Current assignee: Suzhou Industrial Park Shanglian Advertising Public Relations Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-19
Anticipated expiration: 2031-01-23

Abstract

The application relates to the field of stage performance equipment, and particularly discloses a safe lifting device for stage performance, which comprises a lifting platform, a lower base, an upper base, a first lifting mechanism arranged between the lower base and the upper base, a second lifting mechanism arranged between the upper base and the lifting platform, and a detection mechanism arranged on the top surface of the upper base; the detection mechanism comprises a rotating sleeve rotatably connected to the top surface of the upper base, a rotating rod fixedly arranged on the peripheral surface of the rotating sleeve, a third gear fixedly arranged on the peripheral surface of the rotating sleeve, a second motor and a fourth gear fixedly arranged on an output shaft of the second motor, the rotating sleeve is positioned under the lifting platform, and the third gear is meshed with the fourth gear. This safe elevating gear treats that the dwang can normally rotate when the round, explains that the top surface of going up the base does not have foreign matter or actor, improves elevating gear's security to through mutually supporting of first elevating system and second elevating system, further improve the effect of stage.

Description

A safe elevating gear for stage performance

Technical Field

The application relates to stage performance equipment field, more specifically says that it relates to a safe elevating gear for stage performance.

Background

With the continuous development of society, modern performance is generally carried out on stage to the setting of combining some scenes increases stage effect. In the construction of the stage, a through hole is generally formed in the stage, a lifting device is arranged at the through hole, and then the actor is lifted from the stage by using the lifting device, so that the purpose of increasing the stage effect is achieved.

In the related art, the lifting device comprises a lifting platform, a lower base is arranged below the lifting platform, an upper base is fixedly arranged on the bottom surface of the lifting platform, and then a lifting mechanism is arranged between the lower base and the upper base. When the actor performs, the actor goes to the upper base, then goes to the lifting platform, then utilizes the lifting mechanism to make the upper base move upwards, when waiting for the upper base top surface and the stage bottom surface to be inconsistent, the ascending of the upper base is stopped, at the moment, the lifting platform is positioned in the through hole, and the upper lifting platform top surface and the stage top surface are positioned in the same horizontal plane, the actor reaches the stage, the actor is driven from the stage below to the stage, and the stage effect is increased.

In summary, the applicant found that, although the lifting device can achieve the purpose of bringing the actor from the lower part of the stage to the stage, when the actor is on the top surface of the upper base and does not timely enter the top surface of the lifting platform, the upper base moves upwards due to misoperation, the actor and the bottom surface of the stage are easily collided, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to improve stability and the security that elevating gear used, this application provides a safe elevating gear for stage performance.

The application provides a safe elevating gear for stage performance adopts following technical scheme:

a safe lifting device for stage performance comprises a circular lifting platform, a circular lower base, a circular upper base, a first lifting mechanism, a second lifting mechanism and a detection mechanism, wherein the circular lower base is positioned below the lifting platform;

detection mechanism is including rotating the rotation sleeve that is connected at last base top surface and coincides rather than the axis, set firmly at the dwang of rotating the sleeve outer peripheral face, set firmly at third gear, the second motor that rotates the sleeve outer peripheral face, set firmly the fourth gear on second motor output shaft, it is located under the lift platform to rotate the sleeve, the bottom and the last base top surface of dwang are inconsistent, third gear and fourth gear mesh mutually.

Through adopting above-mentioned technical scheme, treat that the actor goes up on lift platform, start the second motor, the second motor passes through the third gear, the fourth gear drives the rotating sleeve and rotates, the rotating sleeve drives the dwang and rotates, treat when the dwang can normally rotate the round, the top surface of explaining the base does not have foreign matter or actor, at this moment, start first elevating system, base upward movement is gone up in first elevating system drive, and then drive lift platform and remove, the dwang has and uses portably, stable advantage, the security of base upward movement is gone up in the improvement. Simultaneously, can also remove lift platform through second elevating system in this application, rising actor that can be further in lift platform's position, lift platform's twice goes up and down, further improves the effect of stage.

Optionally, the rotating rod is arranged radially along the rotating sleeve.

Through adopting above-mentioned technical scheme, the installation and the use of the dwang of being convenient for.

Optionally, the end face of the rotating rod, which is far away from one end of the rotating sleeve, is located on the vertical tangent plane of the peripheral surface of the upper base.

Through adopting above-mentioned technical scheme, make the dwang be located the base top surface and do not stretch out the base top surface, avoid the dwang to stretch out the base top surface and fish tail actor.

Optionally, a protecting sleeve is fixedly arranged on the bottom surface of the lifting platform, and the second motor, the third gear and the fourth gear are all located in a cavity formed by the protecting sleeve and the lifting platform.

Through adopting above-mentioned technical scheme, play the guard action to second motor, third gear, fourth gear, also reduce the condition of second motor, third gear, fourth gear fish tail actor.

Optionally, the top surface of the upper base is fixedly provided with a supporting sleeve coinciding with the axis of the lifting platform, the supporting sleeve is located in the rotating sleeve, and the second motor is fixedly arranged on the supporting sleeve.

Through adopting above-mentioned technical scheme, the installation of the second motor of being convenient for.

Optionally, the second elevating system including rotate connect in the support sleeve and along support sleeve diameter direction set up adjusting screw, two respectively with adjusting screw threaded connection's drive slider, two with two drive slider one-to-ones and with the lift platform slide the linkage slider of being connected, two be cross arrangement the gangbar, be used for making adjusting screw pivoted drive assembly, a plurality of setting just be located the second telescopic link in the support sleeve between lift platform and last base, two drive slider's screw direction is opposite, drive slider moves along adjusting screw length direction, two the gangbar is articulated in the intersection, the one end of gangbar articulates on drive slider, the other end articulates on the linkage slider.

By adopting the technical scheme, when the second lifting mechanism is used, the driving assembly drives the adjusting screw to rotate, the adjusting screw drives the two driving sliding blocks to move, the distance between the two driving sliding blocks is increased or reduced due to the fact that the thread directions of the two driving screw are opposite, the driving sliding blocks drive the two linkage sliding blocks to move on the lifting platform through the linkage rods, the distance between the linkage sliding blocks and the driving sliding blocks is increased, and the lifting platform can move along the height direction. The second telescopic rod plays a role in guiding and limiting and realizes the movement of the lifting platform along the height direction.

Optionally, a sliding groove is formed in the bottom surface of the lifting platform along the length direction of the adjusting screw, the linkage sliding block slides in the sliding groove, and the cross section of the linkage sliding block is in a T shape.

Through adopting above-mentioned technical scheme, the linkage slider removes in the spout, and the cross section of linkage slider becomes T shape, has increased the area of contact between linkage slider and the lift platform, has improved the stability that the linkage slider removed in the spout.

Optionally, a guide rod connected with the driving slide block in a sliding manner penetrates through the two driving slide blocks, and the guide rod is fixedly arranged on the inner side wall of the supporting sleeve and is parallel to the adjusting screw rod.

Through adopting above-mentioned technical scheme, drive slider moves along guide bar length direction to play the effect of direction to the removal of drive slider.

Optionally, the driving assembly includes a fixing sleeve fixed in the middle of the adjusting screw, a first gear fixed on the outer circumferential surface of the fixing sleeve, a second motor, and a second gear fixed on the output shaft of the second motor, and the first gear and the second gear are engaged with each other.

Through adopting above-mentioned technical scheme, start the second motor, the second motor drives the fixed sleeve through first gear, second gear and rotates, and the fixed sleeve drives adjusting screw and rotates, makes adjusting screw's rotation simple and convenient, stable.

Optionally, the second telescopic link is established in the second support sleeve and rather than the second bracing piece of sliding connection including setting firmly at last base top surface and along direction of height's second support sleeve, cover, the top of second bracing piece sets firmly on the lift platform bottom surface, second bracing piece bottom and second support sleeve bottom set firmly second compression spring in the second support sleeve.

Through adopting above-mentioned technical scheme, the second bracing piece moves along the direction of height in second supporting sleeve, because still be provided with second compression spring between second bracing piece and the second supporting sleeve, second compression spring has ascending effort to the second bracing piece to make the second bracing piece play the effect of support to lift platform, improve lift platform and use, the stability of removal.

In summary, the present application has the following beneficial effects:

1. the application discloses a safe elevating gear for stage performance through set up detection mechanism on last base, treats that the dwang can normally rotate the round time, explains the top surface of going up the base and does not have foreign matter or actor, then starts first elevating system, when the base removes along the direction of height on the reduction, the actor leads to the fact the condition of injury to the actor because of not having in time from last base to advance lift platform, improves elevating gear's security.

2. Set up second elevating system between lift platform and last base, can further improve the actor in lift platform's position, through mutually supporting of first elevating system and second elevating system, further improve the effect of stage.

3. Set up the second telescopic link between lift platform and last base to through mutually supporting between second supporting sleeve, second bracing piece, the second compression spring, not only play direction, spacing effect, but also play the effect of support, improve the stability that lift platform used, removed.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic structural view of the safety lifting device.

Fig. 3 is a partial sectional view for showing the second elevating mechanism.

Fig. 4 is a schematic view for showing the structure of the stopper rod.

Fig. 5 is a partial sectional view for showing the first telescopic rod and the second lifting mechanism.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Description of reference numerals: 1. a stage; 11. a through hole; 12. a limiting rod; 13. a yielding groove; 2. a lifting platform; 21. a chute; 22. a protective sleeve; 3. a lower base; 4. an upper base; 41. a limiting groove; 5. a first lifting mechanism; 51. a hydraulic cylinder; 52. a first telescopic rod; 521. a first support sleeve; 522. a first support bar; 523. a first compression spring; 6. a second lifting mechanism; 61. adjusting the screw rod; 62. driving the slide block; 63. a guide bar; 64. a drive assembly; 641. fixing the sleeve; 642. a first gear; 643. a first motor; 644. a second gear; 65. a linkage slide block; 66. a linkage rod; 67. a second telescopic rod; 671. a second support sleeve; 672. a second support bar; 673. a second compression spring; 7. a support sleeve; 8. a detection mechanism; 81. rotating the sleeve; 82. rotating the rod; 83. a third gear; 84. a second motor; 85. a fourth gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

A safe lifting device for stage performance. Referring to fig. 1 and 2, the safety lifting device is used for the performance of a stage 1, and a through hole 11 is formed in the stage 1, wherein the through hole 11 is a circular hole. The safe lifting device comprises a lifting platform 2 positioned at the through hole 11, and the lifting platform 2 is a circular platform. A lower base 3 is arranged below the lifting platform 2, the lower base 3 is circular, an upper base 4 is arranged between the lower base 3 and the lifting platform 2, and the upper base 4 is also circular. A first lifting mechanism 5 for adjusting the height of the upper base 4 is arranged between the upper base 4 and the lower base 3. Referring again to fig. 3 and 4, a second lifting mechanism 6 for adjusting the height of the lifting platform 2 is provided between the upper base 4 and the lifting platform 2. Four limiting rods 12 are fixedly arranged between the stage 1 and the upper base 4, the limiting rods 12 are arranged along the height direction, and the top ends of the limiting rods 12 are fixedly arranged on the bottom surface of the stage 1 at the through hole 11. The top surface of the upper base 4 is provided with a limit groove 41 matched with the limit rod 12. The top surface of the upper base 4 is fixedly provided with a supporting sleeve 7, and the axis of the supporting sleeve 7, the axis of the lifting platform 2, the axis of the upper base 4 and the axis of the lower base 3 are coincided. A detection mechanism 8 is arranged between the upper base 4 and the supporting sleeve 7. When the first lifting mechanism 5 is in a rising state and the second lifting mechanism 6 is in a non-rising state, the limiting rod 12 is located in the limiting groove 41, the top surface of the upper base 4 is abutted to the bottom surface of the stage 1, the lifting platform 2 is located in the through hole 11 of the stage 1, and the top surface of the lifting platform 2 and the top surface of the stage 1 are located in the same horizontal plane.

Referring to fig. 4 and 5, the first elevating mechanism 5 includes two hydraulic cylinders 51, and the two hydraulic cylinders 51 are symmetrically disposed. One end of the output shaft of the hydraulic cylinder 51 is fixedly arranged on the bottom surface of the upper base 4, and the other end is fixedly arranged on the top surface of the lower base 3. Four first telescopic rods 52 are further arranged between the upper base 4 and the lower base 3, and the four first telescopic rods 52 are evenly distributed along the circumferential direction of the upper base 4.

Referring to fig. 5, the first telescopic rod 52 includes a first supporting sleeve 521 fixedly disposed on the top surface of the lower base 3, and the first supporting sleeve 521 is disposed along the height direction. The first supporting sleeve 521 is sleeved with a first supporting rod 522 slidably connected thereto, a top end of the first supporting rod 522 extends out of the first supporting sleeve 521, and a top end of the first supporting rod 522 is fixedly arranged on the bottom surface of the upper base 4. The bottom end of the first supporting rod 522 and the bottom end of the first supporting sleeve 521 are fixedly provided with a first compression spring 523, and the first compression spring 523 is located in the first supporting sleeve 521.

When the upper base 4 needs to move in the height direction, the hydraulic cylinder 51 is started, and the hydraulic cylinder 51 drives the upper base 4 to move. Because the first telescopic rod 52 is arranged between the upper base 4 and the lower base 3, the first telescopic rod 52 plays roles of supporting, limiting and guiding, so that the upper base 4 can move more stably.

Referring to fig. 5 and 6, the second lifting mechanism 6 includes an adjusting screw 61 located in the support sleeve 7, the adjusting screw 61 is disposed along the diameter direction of the support sleeve 7, and two ends of the adjusting screw 61 are rotatably connected to the inner side wall of the support sleeve 7. The outer peripheral surface of the adjusting screw 61 is in threaded connection with two symmetrically-arranged driving sliders 62, the driving sliders 62 are square, and the thread directions of the two driving sliders 62 are opposite. Be provided with guide bar 63 between the drive slider 62, guide bar 63 and adjusting screw 61 are parallel, and guide bar 63 runs through two drive sliders 62 respectively and rather than sliding connection, and the both ends of guide bar 63 set firmly on the inside wall of support sleeve 7. A drive assembly 64 for rotating the adjusting screw 61 is arranged in the support sleeve 7. Linkage sliders 65 are respectively arranged above the two driving sliders 62, namely the number of the linkage sliders 65 is two, and the two linkage sliders 65 correspond to the two driving sliders 62 one by one. The cross section of the interlocking slide 65 is T-shaped. The bottom surface of the lifting platform 2 is provided with a sliding chute 21 matched with the linkage sliding block 65, the linkage sliding block 65 slides in the sliding chute 21, and the sliding chute 21 is parallel to the adjusting screw 61. Linkage rods 66 are respectively arranged between the two driving sliders 62 and the two linkage sliders 65, namely the number of the linkage rods 66 is two, the two linkage rods 66 are arranged in a crossed manner, and the two linkage rods 66 are hinged at the crossed position. One end of the linkage rod 66 is hinged on the top surface of the driving slide block 62, and the other end is hinged on the bottom surface of the linkage slide block 65. A plurality of second telescopic links 67 have set firmly between lift platform 2 and the last base 4, and a plurality of second telescopic links 67 are along the 7 circumference evenly distributed of support sleeve.

Referring to fig. 5, the driving assembly 64 includes a fixing sleeve 641 fixed to a middle position of the adjusting screw 61, and a first gear 642 is fixed to an outer circumferential surface of the fixing sleeve 641. A first motor 643 is fixedly arranged on the top surface of the upper base 4 in the supporting sleeve 7, a second gear 644 is fixedly arranged on the outer peripheral surface of an output shaft of the first motor 643, the second gear 644 is meshed with the first gear 642, and the first motor 643 drives the adjusting screw 61 to rotate.

Referring to fig. 5 and 6, the second telescoping rod 67 includes a second support sleeve 671 fixedly mounted on the top surface of the upper base 4, the second support sleeve 671 being disposed along the height direction. The second supporting sleeve 671 is internally sleeved with a second supporting rod 672 connected with the second supporting sleeve 671 in a sliding manner, the top end of the second supporting rod 672 extends out of the second supporting sleeve 671, and the top end of the second supporting rod 672 is fixedly arranged on the bottom surface of the lifting platform 2. The bottom end of the second support rod 672 and the bottom end of the second support sleeve 671 are fixedly provided with a second compression spring 673, and the second compression spring 673 is positioned in the second support sleeve 671.

When the lifting platform 2 needs to move in the height direction, the first motor 643 is started, the first motor 643 drives the adjusting screw 61 to rotate through the first gear 642 and the second gear 644, the adjusting screw 61 drives the two driving sliders 62 to move, the two driving sliders 62 drive the linkage slider 65 to move through the linkage rod 66, the distance between the driving sliders 62 and the linkage slider 65 is increased, and the linkage slider 65 drives the lifting platform 2 to move in the height direction, so that the lifting platform 2 moves. Because set up second telescopic link 67 between lift platform 2 and last base 4, second telescopic link 67 plays support, direction, spacing effect, makes lift platform 2's removal more stable.

Referring to fig. 3 and 6, the detecting mechanism 8 includes a rotating sleeve 81 fitted over the outer peripheral surface of the supporting sleeve 7, and the axis of the rotating sleeve 81 coincides with the axis of the supporting sleeve 7. The bottom of rotating sleeve 81 is connected on last base 4, and rotating sleeve 81 is located lift platform 2 under. The peripheral face of rotating sleeve 81 sets firmly dwang 82, and dwang 82 sets up along rotating sleeve 81 is radial, and the terminal surface that rotating sleeve 81 one end was kept away from to dwang 82 is located the perpendicular tangent plane on last base 4 peripheral face, and the bottom and the last base 4 of dwang 82 are inconsistent. Referring to fig. 4 again, the bottom surface of the stage 1 is provided with a yielding groove 13 matched with the rotating rod 82. The outer peripheral surface of the rotating sleeve 81 is fixedly provided with a third gear 83. The outer peripheral surface of the supporting sleeve 7 is fixedly provided with a second motor 84, the outer peripheral surface of an output shaft of the second motor 84 is fixedly provided with a fourth gear 85, and the third gear 83 is meshed with the fourth gear 85, so that the second motor 84 drives the rotating sleeve 81 to rotate. The peripheral face of 2 outer peripheral faces of lift platform has set firmly protecting sleeve 22 perpendicularly downwards, forms the cavity between protecting sleeve 22 and the lift platform 2, and rotating sleeve 81, third gear 83, fourth gear 85, second motor 84 all are located the cavity.

The utility model provides a safe elevating gear for stage performance, treat that the actor goes up when elevating platform 2, start second motor 84, second motor 84 passes through third gear 83, fourth gear 85 drives rotating sleeve 81 and rotates, rotating sleeve 81 drives rotating rod 82 and rotates, thereby realize the rotation of rotating rod 82, treat that rotating rod 82 can normally rotate the round time, the explanation goes up 4 top surfaces of base and does not have foreign matter or actor, this moment, start hydraulic cylinder 51, and drive 4 rebound of base, treat that base 4 and stage 1 are inconsistent, hydraulic cylinder 51 stops, this moment, 2 top surfaces of elevating platform and 1 top surface of stage are located same horizontal plane, be convenient for the actor to walk on 1 from elevating platform 2. If the actor needs to ascend again, the first motor 643 is started, and the lifting platform 2 is driven to move along the height direction, so that the actor can be further ascended at the position of the lifting platform 2, and the effect of the stage 1 is further improved by ascending and descending the lifting platform 2 twice.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a safe elevating gear for stage performance which characterized in that: the device comprises a round lifting platform (2), a round lower base (3) positioned below the lifting platform (2), a round upper base (4) positioned between the lower base (3) and the lifting platform (2), a first lifting mechanism (5) arranged between the lower base (3) and the upper base (4) and used for adjusting the height of the upper base (4), a second lifting mechanism (6) arranged between the upper base (4) and the lifting platform (2) and used for adjusting the height of the lifting platform (2), and a detection mechanism (8) arranged on the top surface of the upper base (4);

detection mechanism (8) including rotate connect last base (4) top surface and rather than rotation sleeve (81) of axis coincidence, set firmly at dwang (82) of rotating sleeve (81) outer peripheral face, set firmly at third gear (83), second motor (84) of rotating sleeve (81) outer peripheral face, set firmly fourth gear (85) on second motor (84) output shaft, rotate sleeve (81) and be located under lift platform (2), the bottom and last base (4) top surface of dwang (82) are inconsistent, third gear (83) and fourth gear (85) mesh mutually.

2. A safety lifting device for stage performances, according to claim 1, characterized in that: the rotating rod (82) is arranged along the radial direction of the rotating sleeve (81).

3. A safety lifting device for stage performances, according to claim 2, characterized in that: the end face of one end, far away from the rotating sleeve (81), of the rotating rod (82) is located on the vertical tangent plane of the outer peripheral face of the upper base (4).

4. A safety lifting device for stage performances, according to claim 1, characterized in that: the bottom surface of lift platform (2) sets firmly and has a protective sleeve (22), second motor (84), third gear (83), fourth gear (85) all are located the cavity that protective sleeve (22) and lift platform (2) formed.

5. A safety lifting device for stage performances, according to claim 1, characterized in that: go up the top surface of base (4) and set firmly support sleeve (7) with lift platform (2) axis coincidence, support sleeve (7) are located and rotate sleeve (81), second motor (84) set firmly on support sleeve (7).

6. A safety lifting device for stage performances, according to claim 5, characterized in that: the second lifting mechanism (6) comprises an adjusting screw (61) which is rotatably connected in the supporting sleeve (7) and is arranged along the diameter direction of the supporting sleeve (7), two driving sliders (62) which are respectively in threaded connection with the adjusting screw (61), two linkage sliders (65) which correspond to the two driving sliders (62) one by one and are connected with the lifting platform (2) in a sliding manner, two linkage rods (66) which are arranged in a cross manner, a driving assembly (64) for enabling the adjusting screw (61) to rotate, and a plurality of second telescopic rods (67) which are arranged between the lifting platform (2) and the upper base (4) and are positioned in the supporting sleeve (7), wherein the thread directions of the driving sliders (62) are opposite, the driving sliders (62) move along the length direction of the adjusting screw (61), the linkage rods (66) are hinged at the cross position, one end of each linkage rod (66) is hinged on the driving slider (62), The other end is hinged on a linkage sliding block (65).

7. A safety lifting device for stage performances, according to claim 6, characterized in that: the lifting platform (2) is characterized in that a sliding groove (21) is formed in the bottom surface of the lifting platform along the length direction of the adjusting screw rod (61), the linkage sliding block (65) slides in the sliding groove (21), and the cross section of the linkage sliding block (65) is T-shaped.

8. A safety lifting device for stage performances, according to claim 6, characterized in that: a guide rod (63) connected with the driving slide block in a sliding manner penetrates between the two driving slide blocks (62), and the guide rod (63) is fixedly arranged on the inner side wall of the supporting sleeve (7) and is parallel to the adjusting screw rod (61).

9. A safety lifting device for stage performances, according to claim 6, characterized in that: the driving assembly (64) comprises a fixed sleeve (641) fixedly arranged in the middle of the adjusting screw rod (61), a first gear (642) fixedly arranged on the outer peripheral surface of the fixed sleeve (641), a second motor (84) and a second gear (644) fixedly arranged on an output shaft of the second motor (84), wherein the first gear (642) is meshed with the second gear (644).

10. A safety lifting device for stage performances, according to claim 6, characterized in that: second telescopic link (67) establish in second support sleeve (671) and rather than the second bracing piece (672) of sliding connection including setting firmly at last base (4) top surface and along direction of height second support sleeve (671), cover, the top of second bracing piece (672) sets firmly on lift platform (2) bottom surface, second bracing piece (672) bottom and second support sleeve (671) bottom set firmly second compression spring (673) in second support sleeve (671).