CN214330106U

CN214330106U - Lifting stage with protective net

Info

Publication number: CN214330106U
Application number: CN202120532065.6U
Authority: CN
Inventors: 卞鹏晨; 于乐; 于军
Original assignee: Nanjing Wenhui Video Equipment Co ltd
Current assignee: Nanjing Wenhui Video Equipment Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-10-01
Anticipated expiration: 2031-03-13

Abstract

The utility model relates to a lifting stage with a protective net, which comprises a table top and a scissor lifting frame, wherein the scissor lifting frame is positioned at the bottom of the table top, a plurality of guide rail brackets are arranged around the bottom of the table top, two guide rail brackets are arranged at the bottom of the table top at the same side, a transmission rod is arranged in each guide rail bracket in a penetrating way, and a moving mechanism for driving the transmission rod to slide in each guide rail bracket is also arranged at the bottom of the table top; still include the protection network, the mesa bottom still is provided with drive transfer line pivoted rotating device, still be connected with the device of stepping down between protection network and the transfer line. The utility model discloses have the effect that improves the stage security, be difficult for appearing the actor and fall from the stage.

Description

Lifting stage with protective net

Technical Field

The utility model belongs to the technical field of stage mechanical equipment's technique and specifically relates to a take protection network lift stage is related to.

Background

The elevating platform is a frequently used performance tool in stage performance, and can concentrate the attention of audiences on the performance of actors and obtain ideal ornamental effect. Meanwhile, with the abundance of various performance types and the diversification of program types, the requirements on the lifting platform are continuously improved.

The chinese patent with the existing publication number of CN206174531U discloses a lifting platform for stage, which comprises: the device comprises a base, a lifting table top, a driving device, a limiter, a lifting device, two hydraulic rods and two cross braces; the lower end of the lifting device is fixed on the base, and the upper end of the lifting device is fixed in the middle of the lower surface of the lifting table top; the driving device is connected with the lifting device in a driving way; the limiter is connected with the driving device; the two hydraulic rods are symmetrically arranged between the base and the lifting table board relative to the lifting device, the two cross braces are symmetrically arranged at the lower sides of the two ends of the lifting table board, the upper ends of the cross braces are fixed on the lower surface of the lifting table board, and the lower ends of the cross braces are fixed on the base.

The above prior art solutions have the following drawbacks: after the lifting platform rises to the designated height, due to the fact that a certain distance exists between the lifting platform and the stage plane and the periphery of the lifting platform is not provided with a protection device, actors drop off from the lifting platform carelessly, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a take protection network lift stage has the improvement stage security, is difficult for appearing the effect that the actor fell from the stage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a lifting stage with a protective net comprises a table top and a scissors lifting frame, wherein the scissors lifting frame is positioned at the bottom of the table top, a plurality of guide rail brackets are arranged on the periphery of the bottom of the table top, two guide rail brackets are arranged at the bottom of the table top on the same side, a transmission rod penetrates through the guide rail brackets, and a moving mechanism for driving the transmission rod to slide in the guide rail brackets is further arranged at the bottom of the table top;

still include the protection network, the mesa bottom still is provided with drive transfer line pivoted rotating device, still be connected with the device of stepping down between protection network and the transfer line.

By adopting the technical scheme, the table top is lifted under the action of the scissors lifting frame, and when the table top is in a normal contraction state, the protective net is stored at the bottom of the table top; the guide rail bracket arranged at the bottom of the table top can guide the transmission rod, when the table top is lifted to leave the horizontal plane, the moving mechanism pushes the transmission rod to move along the guide rail bracket to extend out the protective net, the protective net is rotated under the action of the rotating device, the protective net is rotated from a state horizontal to a state vertical to the table top, and under the action of the abdicating device, the protective net is pushed out, so that the distance between the protective net and the bottom wall of the table top is increased, the protective net is not easy to impact the table top when rotating, the protective net can be pulled back to be in contact with the side wall of the table top after being lifted, the effect of protecting actors is realized, and the use safety of the stage is improved; when the protective net is retracted, under the action of the abdicating device, the interference between the protective nets on one sides perpendicular to each other is not easy to occur, and therefore the protective net is retracted.

The present invention may be further configured in a preferred embodiment as: the moving mechanism comprises a stroke cylinder and a clamping seat, the clamping seat is sleeved on the transmission rod, the stroke cylinder is fixed with the bottom wall of the table top, and the end part of a piston rod of the stroke cylinder is connected with one side of the clamping seat.

Through adopting above-mentioned technical scheme, the cutting ferrule cover is established on the transfer line, and the piston rod and the cassette of stroke cylinder are connected for can conveniently control the transfer line and remove, realize the effect of releasing the protection network and withdrawing.

The present invention may be further configured in a preferred embodiment as: the transmission rod is provided with a limiting ring, and the inner wall of the clamping seat is provided with a limiting groove for clamping the limiting ring.

By adopting the technical scheme, when the clamping sleeve is sleeved on the transmission rod, the limiting groove on the inner wall of the clamping seat is clamped with the limiting ring, so that the clamping seat is not easy to move axially along the transmission rod, and the clamping seat is positioned.

The present invention may be further configured in a preferred embodiment as: rotating device includes the slide, rotates motor, driving gear and driven gear, the slide has been seted up to the mesa diapire, the slide slides with the slide and is connected, the slide cross-section is the type of falling U, the transfer line is worn to establish the one side of slide, the fixed rotation motor of slide opposite side inner wall, the driving gear with rotate motor coaxial coupling, driven gear is connected with the transfer line and meshes with the driving gear.

Through adopting above-mentioned technical scheme, because the transfer line can move along rail brackets, slide one side is connected with the transfer line for drive slide and drive motor synchronous movement when the transfer line removes, thereby realize that the driven gear on drive gear and the transfer line of drive motor coaxial coupling is difficult for separating, and drive the transfer line and rotate when realizing that drive motor rotates, thereby realize that the control protection network overturns.

The present invention may be further configured in a preferred embodiment as: one the symmetry sets up two devices of stepping down on the transfer line, the device of stepping down includes locking hoop, adapter and the cylinder of stepping down, locking hoop establishes on the transfer line, locking hoop one side is articulated with the adapter, the adapter deviates from one side of locking hoop and is connected with the cylinder of stepping down, the piston rod tip of the cylinder of stepping down is connected with the lateral wall that the protection network is close to the bottom.

Through adopting above-mentioned technical scheme, the locking hoop is banded with the transfer line, locking hoop and stepping down and being connected through the connecting seat between the cylinder, make behind locking hoop and transfer line banding, be difficult for appearing relative rotation and removal between locking hoop and the transfer line, realize driving the protection network and rotate when the transfer line pivoted, when the protection network rotates, for making the collision difficult to appear between protection network and the mesa, through stepping down the ejecting protection network of cylinder, increase the distance between protection network and the mesa, and when the protection network rotates to perpendicular with the mesa, through letting the back of contracting for the cylinder, drive protection network and mesa lateral wall contact, thereby reach the effect to protecting.

The present invention may be further configured in a preferred embodiment as: the transmission rod is provided with a positioning seat, the outer wall of the positioning seat is provided with a plurality of positioning grooves in an array mode along the circumferential direction, and the inner wall of the locking hoop is fixedly provided with a positioning block corresponding to the positioning grooves.

Through adopting above-mentioned technical scheme, when the locking hoop was banded with the transfer line, the locating piece on the locking hoop and the constant head tank adaptation on the positioning seat to further difficult relative rotation that appears between messenger's locking hoop and the transfer line, thereby realize driving the protection network and rotate when the transfer line pivoted.

The present invention may be further configured in a preferred embodiment as: the protection network includes outer net and intranet, the intranet cover is established in the outer net, be connected through elevating system between intranet and the outer net.

Through adopting above-mentioned technical scheme, the protection network passes through the outer net and the intranet is constituteed for the width of whole protection network when the shrink shortens, has reduced the space area of protection network when accomodating, can conveniently be ejecting with the intranet under elevating system's effect, makes when the protection network protects the actor, can improve the height of whole protection network, improves the protection security to the actor.

The present invention may be further configured in a preferred embodiment as: elevating system includes elevator motor, lift lead screw and direction slide bar, the intranet both sides all are provided with the pipe box, one side pipe box and lift lead screw threaded connection, and opposite side pipe box is established with the direction slide bar cover, lift lead screw one end is worn out and is connected with elevator motor coaxial coupling from the extranet bottom, elevator motor is connected with the extranet diapire.

Through adopting above-mentioned technical scheme, can conveniently ejecting and withdraw the intranet, drive the rotation of lift lead screw at elevator motor, realize ejecting and withdrawing the intranet to whole protection network is easy to assemble.

The present invention may be further configured in a preferred embodiment as: and one side of the outer net facing the table top is also provided with an anti-collision pad.

Through adopting above-mentioned technical scheme, when stepping down the cylinder and driving the protection network and contact with the mesa, be difficult for producing the noise when making contact between protection network and the mesa under the effect of protection pad.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the lifting of the table top is controlled by the scissors lifting frame, and when the table top is in a normal contraction state, the protective net is stored at the bottom of the table top; when the table top rises and leaves the horizontal plane, the moving mechanism pushes the transmission rod to move along the guide rail bracket to extend out the protective net, and the protective net is turned over under the action of the rotating device, so that the protective net rotates from a state horizontal to the table top to a state vertical to the table top, and under the action of the abdicating device, the protective net is not easy to collide with the table top when turned over, the effect of protecting actors is realized under the action of the protective net, and the use safety of the stage is improved;

2. the whole height of the protective net can be regulated and controlled through the lifting mechanism, so that actors can be protected better by the protective net, and the use safety of the stage is further improved.

Drawings

Fig. 1 is a schematic diagram showing the overall structure.

Fig. 2 is a schematic structural diagram of the moving mechanism, the rotating device and the abdicating device which are positioned at the bottom of the table-board.

Fig. 3 is a partial schematic view showing a connection manner of the moving mechanism and the transmission rod.

Fig. 4 is a partial structure diagram showing the rotating device and the abdicating device.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a partially sectional view showing the lifting mechanism inside the protection net.

In the figure, 1, a table top; 11; a scissor lifting frame; 12. a slideway; 2. a rail bracket; 3. a transmission rod; 31. a limiting ring; 32. positioning seats; 33. positioning a groove; 4. a moving mechanism; 41. a stroke cylinder; 42. a card holder; 43. a limiting groove; 5. a rotating device; 51. a slide base; 52. rotating the motor; 53. a driving gear; 54. a driven gear; 6. a yielding device; 61. a locking band; 62. a transfer seat; 63. a yielding cylinder; 64. positioning blocks; 7. a protective net; 71. an outer net; 72. an inner net; 8. a lifting mechanism; 81. a lifting motor; 82. a lifting screw rod; 83. a guide slide bar; 84. pipe sleeve; 9. an anti-collision cushion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the lifting stage with protective net disclosed by the present invention, comprising a table top 1 and a scissors lifting frame 11, the scissors lifting frame 11 is connected with the bottom of the table top 1, so as to control the lifting of the table top 1 under the action of the scissors lifting frame 11, a plurality of rail brackets 2 are arranged around the bottom of the table top 1, two rail brackets 2 are arranged at the same side of the bottom of the table top 1, a transmission rod 3 is inserted into the rail brackets 2, a moving mechanism 4 for controlling the transmission rod 3 to slide in the rail brackets 2 is further arranged at the bottom of the table top 1, a rotating device 5 for driving the transmission rod 3 to rotate is further arranged at the bottom of the table top 1, two abdicating devices 6 are further connected to the transmission rod 3, a protective net 7 is connected to one side of the abdicating device 6 departing from the transmission rod 3, so that the protective net 7 is controlled under the combined action of the moving mechanism 4, the rotating device 5 and the abdicating device 6, the storage and ejection of the protective net 7 are realized.

Referring to fig. 2 and 3, the moving mechanism 4 includes a stroke cylinder 41 and a clamping seat 42, the clamping seat 42 is sleeved on the transmission rod 3 and fixed with the transmission rod 3, the transmission rod 3 is fixedly provided with a limit ring 31, and the inner wall of the clamping seat 42 is provided with a limit groove 43 for clamping the limit ring 31, so that when the clamping seat 42 is fixed with the transmission rod 3, relative movement between the clamping seat 42 and the transmission rod 3 is not easy to occur, the stroke cylinder 41 is fixed with the bottom wall of the table top 1, and the end of a piston rod of the stroke cylinder 41 is connected with one side of the clamping seat 42, so that the transmission rod 3 is pushed to slide along the guide rail bracket 2 under the action of the stroke cylinder 41.

Referring to fig. 4, the rotating device 5 includes a sliding base 51, a rotating motor 52, a driving gear 53 and a driven gear 54, a sliding way 12 for the sliding base 51 to slide and connect is provided on the bottom wall of the table top 1, the cross section of the sliding base 51 is an inverted U shape, the transmission rod 3 is inserted into one side of the sliding base 51, the rotating motor 52 is fixed on the inner wall of the other side of the sliding base 51, the rotating motor 52 is coaxially connected to the driving gear 53, the driven gear 54 is sleeved on the transmission rod 3 and is fixedly connected to the transmission rod 3, the driving gear 53 is engaged with the driven gear 54, so that the transmission rod 3 is driven to rotate when the rotating motor 52 drives the driving gear 53 to rotate, because the transmission rod 3 is inserted into the sliding base 51, when the transmission rod 3 moves along the rail bracket 2, the sliding base 51 can be synchronously driven to move along the sliding way 12, so that the driving gear 53 and the driven gear 54 maintain an engaged state.

Referring to fig. 4 and 5, two abdicating devices 6 are symmetrically arranged on one transmission rod 3, each abdicating device 6 comprises a locking hoop 61, an adapter 62 and an abdicating cylinder 63, one side of the locking hoop 61 is hinged with the adapter 62, so that the locking hoop 61 can rotate around the hinged position with the adapter 62 to open, the transmission rod 3 is fixedly provided with the positioning seat 32 for the locking hoop 61 to clamp, the outer wall of the positioning seat 32 is provided with a plurality of positioning grooves 33 in an array manner along the circumferential direction, the inner wall of the locking hoop 61 is fixedly provided with the positioning block 64 clamped with the positioning grooves 33 corresponding to the positioning grooves 33, when the locking hoop 61 and the positioning seat 32 are hooped, the locking hoop 61 and the positioning seat 32 are not easy to relatively rotate and move, one side of the adapter seat 62 departing from the locking hoop 61 is connected with the yielding cylinder 63, the end part of the piston rod of the yielding cylinder 63 is connected with the side wall of the protective net 7 close to the bottom, and the protective net 7 is pushed to move under the pushing action of the yielding cylinder 63.

Referring to fig. 6, a side of the protection net 7 facing the table top 1 (see fig. 1) is provided with an anti-collision pad 9, so that noise is not easily generated when the protection net 7 contacts the table top 1; the protective net 7 comprises an outer net 71 and an inner net 72, the inner net 72 is arranged in the outer net 71 in a penetrating mode, the inner net 72 is connected with the outer net 71 through a lifting mechanism 8, the lifting mechanism 8 comprises a lifting motor 81, a lifting screw rod 82 and a guide sliding rod 83, pipe sleeves 84 are arranged on two sides of the inner net 72, the lifting screw rod 82 is in threaded connection with the pipe sleeve 84 on one side, the guide sliding rod 83 is arranged in the pipe sleeve 84 on the other side in a penetrating mode, one end of the lifting screw rod 82 penetrates out of the bottom wall of the outer net 71, the lifting motor 81 is connected with the bottom wall of the outer net 71 and is coaxially connected with the lifting screw rod 82, and therefore when the lifting motor 81 is started, ejection and contraction of the inner net 72 are driven.

The action process is as follows: when mesa 1 and horizontal plane parallel and level, protection network 7 shrink in the bottom of mesa 1, the transfer line 3 is located guide rail bracket 2 and keeps away from one side of mesa 1 lateral wall this moment, the state is changeed for the shrink to stroke cylinder 41, both sides protection network 7 that are parallel to each other is in the coplanar, mutually perpendicular's both sides protection network 7 is in the state of stacking from top to bottom, it is in the shrink state to be located to be close to the cylinder 63 of stepping down that 1 diapire of mesa is connected protection network 7, it is in ejecting state to be located to be close to the cylinder 63 of stepping down that 1 diapire protection network 7 below of mesa is connected protection network 7, thereby realize stacking mutually perpendicular's both sides protection network 7 and accomodate, make difficult appearance interference between the protection network 7.

When the table top 1 is lifted, in order to protect the safety of actors, firstly two protective nets 7 far away from the bottom wall of the table top 1 are lifted, the transmission rod 3 is pushed by the stroke cylinder 41 to move to a position close to the side wall of the table top 1 along the guide rail bracket 2, then the rotating motor 52 is started to drive the transmission rod 3 to rotate, the protective nets 7 are driven to turn over when the transmission rod 3 rotates, the protective nets 7 are driven to turn over from the bottom of the table top 1 to a state vertical to the table top 1 and to be positioned on the side of the table top 1, then the abdicating cylinder 63 retracts to drive the protective nets 7 to move towards the table top 1 and to be contacted with the table top 1, and finally the lifting screw 82 is driven to rotate by the lifting motor 81, so that the internal net 72 is ejected; the remaining two protective nets 7 are ejected out in the same way, so that the actors are protected under the action of the protective nets 7. The protective net 7 can be conveniently retracted, the process of retracting the protective net 7 is the reverse process of extending out the protective net 7, and two protective nets 7 are also retracted in a separated mode.

The implementation principle of the embodiment is as follows: the lifting of the table top 1 is controlled by the scissors lifting frame 11, and when the table top 1 is in a normal contraction state, the protective net 7 is stored at the bottom of the table top 1; when the table board 1 rises and leaves the horizontal plane, the moving mechanism 4 pushes the transmission rod 3 to move along the guide rail bracket 2 to stretch out the protective net 7, the protective net 7 is turned over under the action of the rotating device 5, the protective net 7 is rotated to a state vertical to the table board 1 from a state horizontal to the table board 1, the protective net 7 is not easy to collide with the table board 1 when turned under the action of the abdicating device 6, the effect of protecting actors is realized under the action of the protective net 7, and the use safety of the stage is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a take protection network lift stage, includes mesa (1) and scissors crane (11), scissors crane (11) are located the bottom of mesa (1), its characterized in that: the periphery of the bottom of the table top (1) is provided with a plurality of guide rail brackets (2), the bottom of the table top (1) on the same side is provided with two guide rail brackets (2), a transmission rod (3) penetrates through the guide rail brackets (2), and the bottom of the table top (1) is also provided with a moving mechanism (4) for driving the transmission rod (3) to slide in the guide rail brackets (2);

still include protection network (7), mesa (1) bottom still is provided with drive transfer line (3) pivoted rotating device (5), still be connected with between protection network (7) and transfer line (3) and let a device (6).

2. The stages with guard lifting as claimed in claim 1, characterized in that: the moving mechanism (4) comprises a stroke cylinder (41) and a clamping seat (42), the clamping seat (42) is sleeved on the transmission rod (3), the stroke cylinder (41) is fixed with the bottom wall of the table top (1), and the end part of a piston rod of the stroke cylinder (41) is connected with one side of the clamping seat (42).

3. The stages with guard lifting as claimed in claim 2, characterized in that: the transmission rod (3) is provided with a limiting ring (31), and the inner wall of the clamping seat (42) is provided with a limiting groove (43) for clamping the limiting ring (31).

4. The stages with guard lifting as claimed in claim 2, characterized in that: rotating device (5) include slide (51), rotate motor (52), driving gear (53) and driven gear (54), slide (12) have been seted up to mesa (1) diapire, slide (51) slide with slide (12) and are connected, slide (51) cross-section is the type of falling U, one side of slide (51) is worn to establish in transfer line (3), slide (51) opposite side inner wall is fixed and is rotated motor (52), driving gear (53) and rotation motor (52) coaxial coupling, driven gear (54) are connected with transfer line (3) and mesh with driving gear (53).

5. The stages with guard lifting as claimed in claim 4, characterized in that: one the symmetry sets up two devices of stepping down (6) on transfer line (3), device of stepping down (6) is including locking hoop (61), adapter (62) and cylinder (63) of stepping down, locking hoop (61) hoop is established on transfer line (3), locking hoop (61) one side is articulated with adapter (62), one side that adapter (62) deviates from locking hoop (61) is connected with cylinder (63) of stepping down, the piston rod tip of cylinder (63) of stepping down is connected with the lateral wall that protective screen (7) are close to the bottom.

6. The stages with guard lifting as claimed in claim 5, characterized in that: the transmission rod (3) is provided with a positioning seat (32), the outer wall of the positioning seat (32) is provided with a plurality of positioning grooves (33) in an array mode along the circumferential direction, and positioning blocks (64) are fixedly arranged on the inner wall of the locking hoop (61) corresponding to the positioning grooves (33).

7. The mesh-equipped elevating stage according to any one of claims 1 to 6, wherein: the protective net (7) comprises an outer net (71) and an inner net (72), the inner net (72) is sleeved in the outer net (71), and the inner net (72) is connected with the outer net (71) through a lifting mechanism (8).

8. The stages with guard lifting as claimed in claim 7, characterized in that: elevating system (8) include elevator motor (81), lift lead screw (82) and direction slide bar (83), intranet (72) both sides all are provided with pipe box (84), one side pipe box (84) and lift lead screw (82) threaded connection, and opposite side pipe box (84) are established with direction slide bar (83) cover, lift lead screw (82) one end is worn out and is established with elevator motor (81) coaxial coupling from extranet (71) bottom, elevator motor (81) are connected with extranet (71) diapire.

9. The stages with guard lifting as claimed in claim 7, characterized in that: and one side of the outer net (71) facing the table top (1) is also provided with an anti-collision pad (9).