CN112682626B - Stage projection supporting structure for theatre - Google Patents
Stage projection supporting structure for theatre Download PDFInfo
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- CN112682626B CN112682626B CN202011389171.XA CN202011389171A CN112682626B CN 112682626 B CN112682626 B CN 112682626B CN 202011389171 A CN202011389171 A CN 202011389171A CN 112682626 B CN112682626 B CN 112682626B
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- 239000002184 metal Substances 0.000 claims abstract description 65
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a stage projection supporting structure for a theatre, which comprises a first supporting column and a second supporting column, wherein an installation groove is formed in the outer wall of one side of the first supporting column, a first sliding block is slidably connected to the inner wall of the installation groove, a fixed groove is formed in the outer wall of the other side of the second supporting column, a second sliding block is slidably connected to the inner wall of the fixed groove, a metal rod is fixed to the inner wall of the fixed groove, a round groove opening is formed in the second sliding block, and a metal rod is slidably connected to the inner wall of the round groove opening. According to the invention, the height of the projector can be automatically adjusted by using the first support column, the second support column, the first sliding block, the second sliding block, the metal rod, the first servo motor and the threaded rod, and the height of the projector can be positioned by using the conical block when the height is adjusted, so that the phenomenon of sliding down is avoided, the safety of the device is improved, and the length of the device can be adjusted by using the metal tube and the connecting rod, so that the device can be suitable for different stages, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of stage projection supporting structures for theatres, in particular to a stage projection supporting structure for theatres.
Background
The projector is also called as a projector, is a device for projecting or reflecting an image or video onto a screen through a digital light processing technology or an LCD (liquid crystal display) liquid crystal imaging technology, and can be connected with corresponding image and video signals through different signal sources such as a computer, a mobile phone, a DVD (digital video disk) and a DV (digital video disk), so that playing is realized, the projector is often used for projection in a theatre, and a hanging bracket is usually used for supporting, placing or fixing the projector in a placement mode. The projection supporting structure that uses at present is fixed more and is placed, can't adjust the height of projecting apparatus, and can't adjust the length of support for projecting apparatus installation and dismantlement are troublesome, make the device practical inadequately.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a stage projection supporting structure for a theatre.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a stage projection bearing structure for theatre, includes first support column and second support column, first support column one side outer wall is opened there is the mounting groove, and mounting groove inner wall sliding connection has first slider, second support column opposite side outer wall is opened there is the fixed slot, and fixed slot inner wall sliding connection has the second slider, fixed slot inner wall is fixed with the metal pole, the second slider is opened there is the round slot mouth, and round slot mouth inner wall sliding connection has the metal pole, second slider is located round slot mouth one side inner wall and is opened there is the rectangle groove, and rectangle inslot wall sliding connection has the toper piece, metal pole opposite side outer wall is opened there is a plurality of evenly distributed's draw-in groove, and draw-in groove inner wall and toper piece form joint cooperation, first slider is opened there is the screw hole, and the screw hole inner wall spiro union coupling has the threaded rod, first support column top is fixed with first servo motor, and the output shaft of first servo motor passes through the coupling to be fixed at the threaded rod top, first slider one end is fixed with the metal pipe, and metal pipe inner wall sliding connection has the connecting rod, metal pipe outer wall sliding connection has the translation mechanism, and translation mechanism bottom half-frame, and second side inner wall is located round slot one side inner wall are opened there is the rectangle groove, and ball fixed with the ball, the ball-shaped bottom is fixed with the ball, the ball-shaped bottom of first servo motor, first semi-disc is fixed with the ball, the ball-shaped bottom, first semi-disc is fixed with the ball, and the ball-shaped solid joint top, the ball-shaped solid joint has, first ball joint to be fixed to the bottom, the ball joint to the bottom The novel driving bevel gear comprises a first driving bevel gear, a first driven bevel gear and rollers, wherein uniformly distributed limiting grooves are formed in the inner walls of the first semicircular plate and the second semicircular plate, the inner walls of the limiting grooves form sliding fit with a fixed block, arc-shaped grooves are formed in the tops of the fixed block, rolling fit is formed between the inner walls of the arc-shaped grooves and rubber balls, mounting openings are formed in the tops of the first semicircular plates, the rollers are rotationally connected to the inner walls of the two sides of the mounting openings through bearings, the bottom ends of the U-shaped frames are fixed to the tops of the first semicircular plates located on the two sides of the mounting openings, an output shaft of a third servo motor is fixed to the tops of the first driving bevel gear through a coupler, the first driving bevel gear is meshed with the first driven bevel gear, guide rail grooves are formed in the tops of the metal tubes and the connecting rods, the inner walls of the bottoms of the guide rail grooves form rolling fit with the rollers, a plurality of uniformly distributed positioning grooves are formed in the peripheries of the metal tubes and the connecting rods, and the inner walls of the positioning grooves form clamping fit with the rubber balls.
Preferably, the bottom end of the threaded rod is fixed with a second driven bevel gear, the second driven bevel gear is meshed with a second driving bevel gear, a crank is fixed on the inner wall of the second driving bevel gear, the first support column is positioned at the lower side of the mounting groove and provided with a mounting notch, and the second driven bevel gear and the second driving bevel gear are in running fit with the inner wall of the mounting notch.
Preferably, the two ends of the metal rod are fixed on the inner wall of the fixed groove, and the two ends of the threaded rod are rotatably connected on the inner wall of the installation groove through bearings.
Preferably, screw holes are formed in two sides of the first semicircular plate and the second semicircular plate, and the first semicircular plate and the second semicircular plate are in fastening fit through bolts.
Preferably, the third servo motor is fixed at the top of the U-shaped frame, a first spring is arranged at the bottom of the fixed block, and the bottom end of the first spring is fixed on the inner wall of the limit groove.
Preferably, the bottoms of the first support column and the second support column are both fixed with a bottom plate, and universal wheels are fixed at four corners of the bottom plate.
Preferably, one end of the conical block is fixed with a second spring, and one end of the second spring is fixed on the inner wall of the rectangular groove.
Preferably, one end of the metal tube is fixed on the outer wall of the other side of the second sliding block, sliding grooves are formed in two sides of the first connecting rod, and the inner diameter size of each sliding groove is matched with the diameter of the second connecting rod.
The beneficial effects of the invention are as follows:
1. the height of the projector can be automatically adjusted by using the first support column, the second support column, the first sliding block, the second sliding block, the metal rod, the first servo motor and the threaded rod, and the height of the projector can be positioned by using the conical block when the height is adjusted, so that the phenomenon of sliding down is avoided, the safety of the device is improved, and the length of the device can be adjusted by using the metal tube and the connecting rod, so that the device can be suitable for different stages, and the practicability of the device is improved;
2. through using fixed frame, carousel and second servo motor, can carry out horizontal adjustment to the direction of projecting apparatus to utilize first connecting rod, metal ball and second connecting rod, can adjust the vertical angle of projecting apparatus, make the device use more conveniently, through first semicircle board, second semicircle board, fixed block, rubber ball, "U" shape frame, third servo motor, first initiative bevel gear, first driven bevel gear and gyro wheel that use translation mechanism to set up, can semi-automatic regulation projecting apparatus is in the position of device, and utilize the rubber ball to carry out accurate positioning to it, make stage projection effect better.
Drawings
Fig. 1 is a schematic side sectional view of an embodiment 1 of a stage projection support structure for theatres according to the present invention;
fig. 2 is a schematic diagram of a second slider of the stage projection support structure for theatres according to the present invention;
fig. 3 is a schematic side sectional structure of a translation mechanism of a stage projection support structure for a theatre according to the present invention;
fig. 4 is a schematic view of a partial cross-sectional structure of a translation mechanism of a stage projection support structure for a theater according to the present invention;
fig. 5 is a schematic perspective view of a first support column of a stage projection support structure for a theatre according to the present invention;
fig. 6 is a schematic side sectional view of an embodiment 2 of a stage projection support structure for theatres according to the present invention.
In the figure: the device comprises a first support column, a second support column, a first slider, a second slider, a metal rod 5, a first servo motor 6, a threaded rod 7, a metal tube 8, a connecting rod 9, a translation mechanism 10, a fixed frame 11, a turntable 12, a second servo motor 13, a first connecting rod 14, a metal ball 15, a second connecting rod 16, a projector 17, a first semicircular plate 18, a second semicircular plate 19, a fixed block 20, a rubber ball 21, a U-shaped frame 22, a third servo motor 23, a first driving bevel gear 24, a first driven bevel gear 25, a roller 26, a bottom plate 27, a conical block 28, a second driven bevel gear 29, a second driving bevel gear 30 and a crank 31.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
1, referring to fig. 1-5, a stage projection supporting structure for theatres, comprising a first supporting column 1 and a second supporting column 2, wherein an installation groove is formed on the outer wall of one side of the first supporting column 1, a first sliding block 3 is slidingly connected on the inner wall of the installation groove, a fixed groove is formed on the outer wall of the other side of the second supporting column 2, a second sliding block 4 is slidingly connected on the inner wall of the fixed groove, a metal rod 5 is fixedly arranged on the inner wall of the fixed groove, a round notch is formed on the second sliding block 4, a metal rod 5 is slidingly connected on the inner wall of the round notch, a rectangular groove is formed on the inner wall of the second sliding block 4 on one side of the round notch, a taper block 28 is slidingly connected on the inner wall of the rectangular groove, a plurality of clamping grooves which are uniformly distributed are formed on the outer wall of the other side of the metal rod 5, the inner wall of the clamping groove and the taper block 28 form a clamping fit, a threaded hole is formed on the first sliding block 3, the screw rod 7 is screwed on the inner wall of the screw hole, the first servo motor 6 is fixed on the top of the first support column 1, the output shaft of the first servo motor 6 is fixed on the top of the screw rod 7 through a coupler, the metal tube 8 is fixed at one end of the first sliding block 3, the connecting rod 9 is slidably connected on the inner wall of the metal tube 8, the height of the projector 17 can be automatically adjusted by using the first support column 1, the second support column 2, the first sliding block 3, the second sliding block 4, the metal rod 5, the first servo motor 6 and the screw rod 7, the height of the projector can be positioned by using the conical block 28 when the height is adjusted, the phenomenon of slipping is avoided, the safety of the device is improved, the length of the device can be adjusted by using the metal tube 8 and the connecting rod 9, the projector can be suitable for different stages, and the practicability of the device is improved;
the outer wall of the metal tube 8 is connected with a translation mechanism 10 in a sliding way, a fixed frame 11 is fixed at the bottom of the translation mechanism 10, a turntable 12 is connected with the inner wall at the bottom of the fixed frame 11 in a sliding way, a first connecting rod 14 is fixed at the bottom of the turntable 12, a second servo motor 13 is fixed at the inner wall at the top of the fixed frame 11, an output shaft of the second servo motor 13 is fixed at the top of the turntable 12 through a coupler, a spherical groove is formed at the bottom end of the first connecting rod 14, a metal ball 15 is connected with the inner wall of the spherical groove in a rotating way, a second connecting rod 16 is fixed at the bottom end of the metal ball 15, a projector 17 is fixed at the bottom end of the second connecting rod 16 through a flange, the translation mechanism 10 comprises a first semicircular plate 18, a second semicircular plate 19, a fixed block 20, a rubber ball 21, a U-shaped frame 22, a third servo motor 23, a first driving bevel gear 24, a first driven bevel gear 25 and a roller 26, uniformly distributed limiting grooves are formed in the inner walls of the first semicircular plate 18 and the second semicircular plate 19, and the inner wall of the limit groove forms sliding fit with the fixed block 20, the top of the fixed block 20 is provided with an arc groove, the inner wall of the arc groove forms rolling fit with the rubber ball 21, the top of the first semicircular plate 18 is provided with a mounting opening, the roller 26 is rotationally connected with the inner walls at two sides of the mounting opening through a bearing, the bottom end of the U-shaped frame 22 is fixed at the top of the first semicircular plate 18 positioned at two sides of the mounting opening, the output shaft of the third servo motor 23 is fixed at the top of the first driving bevel gear 24 through a coupler, the first driving bevel gear 24 is meshed with the first driven bevel gear 25, the tops of the metal tube 8 and the connecting rod 9 are provided with guide rail grooves, the inner wall at the bottom of the guide rail groove forms rolling fit with the roller 26, a plurality of evenly distributed positioning grooves are formed around the metal tube 8 and the connecting rod 9, the inner wall of the positioning grooves forms clamping fit with the rubber ball 21, and the fixing frame 11 is used, the direction of the projector 17 can be horizontally adjusted by the rotary table 12 and the second servo motor 13, the vertical angle of the projector 17 can be adjusted by the first connecting rod 14, the metal ball 15 and the second connecting rod 16, the device is more convenient to use, and the position of the projector 17 in the device can be semi-automatically adjusted by the aid of the rubber ball 21 and accurately positioned by the aid of the first semicircular plate 18, the second semicircular plate 19, the fixed block 20, the rubber ball 21, the U-shaped frame 22, the third servo motor 23, the first driving bevel gear 24, the first driven bevel gear 25 and the roller 26 which are arranged by the aid of the translation mechanism 10, so that the stage projection effect is better;
the both ends of metal pole 5 are fixed at the fixed slot inner wall, threaded rod 7 both ends pass through the bearing rotation and connect at the mounting groove inner wall, first semicircle board 18 and second semicircle board 19 both sides all open there is the screw, and first semicircle board 18 and second semicircle board 19 pass through the bolt and form the tight cooperation of fastening, third servo motor 23 is fixed at "U" shape frame 22 top, open the fixed block 20 bottom has first spring, and first spring bottom end is fixed at the spacing inslot wall, first support column 1 and second support column 2 bottom all are fixed with bottom plate 27, and bottom plate 27 bottom four corners is fixed with the universal wheel, toper piece 28 one end is fixed with the second spring, and second spring one end is fixed at the rectangular channel inner wall, metal pipe 8 one end is fixed at the opposite side outer wall of second slider 4, the spout has all been opened on first connecting rod 14 both sides, and spout internal diameter size and the diameter looks adaptation of second connecting rod 16.
Embodiment 2, refer to fig. 2-6, a stage projection supporting structure for theatre, comprising a first supporting column 1 and a second supporting column 2, wherein an installation groove is opened on the outer wall of one side of the first supporting column 1, the inner wall of the installation groove is slidably connected with a first sliding block 3, a fixed groove is opened on the outer wall of the other side of the second supporting column 2, the inner wall of the fixed groove is slidably connected with a second sliding block 4, a metal rod 5 is fixed on the inner wall of the fixed groove, a round slot opening is opened on the second sliding block 4, the inner wall of the round slot opening is slidably connected with a metal rod 5, a rectangular groove is opened on the inner wall of one side of the round slot opening, a conical block 28 is slidably connected on the inner wall of the rectangular groove, a plurality of clamping grooves which are uniformly distributed are opened on the outer wall of the other side of the metal rod 5, the inner wall of the clamping groove and the conical block 28 form clamping fit, the first sliding block 3 is provided with a threaded hole, the threaded rod 7 is screwed on the inner wall of the threaded hole, a second driven bevel gear 29 is fixed on the bottom end of the threaded hole, the second driving bevel gear 30 is meshed with the second driven bevel gear 29, the crank 31 is fixed on the inner wall of the second driving bevel gear 30, the first support column 1 is provided with a mounting notch at the lower side of the mounting groove, the second driving bevel gear 29 and the second driving bevel gear 30 are in running fit with the inner wall of the mounting notch, one end of the first sliding block 3 is fixedly provided with the metal pipe 8, the connecting rod 9 is slidingly connected with the inner wall of the metal pipe 8, the height of the projector 17 can be manually adjusted by using the first support column 1, the second support column 2, the first sliding block 3, the second sliding block 4, the metal rod 5, the second driving bevel gear 30, the second driving bevel gear 29, the crank 31 and the threaded rod 7, and the height thereof can be positioned by using the conical block 28 when the height is adjusted, so as to avoid the occurrence of a sliding phenomenon, the safety of the device is improved by using the metal pipe 8 and the connecting rod 9, the length of the device can be adjusted, so that the device can be suitable for different stages, and the practicability of the device is improved;
the outer wall of the metal tube 8 is connected with a translation mechanism 10 in a sliding way, a fixed frame 11 is fixed at the bottom of the translation mechanism 10, a turntable 12 is connected with the inner wall at the bottom of the fixed frame 11 in a sliding way, a first connecting rod 14 is fixed at the bottom of the turntable 12, a second servo motor 13 is fixed at the inner wall at the top of the fixed frame 11, an output shaft of the second servo motor 13 is fixed at the top of the turntable 12 through a coupler, a spherical groove is formed at the bottom end of the first connecting rod 14, a metal ball 15 is connected with the inner wall of the spherical groove in a rotating way, a second connecting rod 16 is fixed at the bottom end of the metal ball 15, a projector 17 is fixed at the bottom end of the second connecting rod 16 through a flange, the translation mechanism 10 comprises a first semicircular plate 18, a second semicircular plate 19, a fixed block 20, a rubber ball 21, a U-shaped frame 22, a third servo motor 23, a first driving bevel gear 24, a first driven bevel gear 25 and a roller 26, uniformly distributed limiting grooves are formed in the inner walls of the first semicircular plate 18 and the second semicircular plate 19, and the inner wall of the limit groove forms sliding fit with the fixed block 20, the top of the fixed block 20 is provided with an arc groove, the inner wall of the arc groove forms rolling fit with the rubber ball 21, the top of the first semicircular plate 18 is provided with a mounting opening, the roller 26 is rotationally connected with the inner walls at two sides of the mounting opening through a bearing, the bottom end of the U-shaped frame 22 is fixed at the top of the first semicircular plate 18 positioned at two sides of the mounting opening, the output shaft of the third servo motor 23 is fixed at the top of the first driving bevel gear 24 through a coupler, the first driving bevel gear 24 is meshed with the first driven bevel gear 25, the tops of the metal tube 8 and the connecting rod 9 are provided with guide rail grooves, the inner wall at the bottom of the guide rail groove forms rolling fit with the roller 26, a plurality of evenly distributed positioning grooves are formed around the metal tube 8 and the connecting rod 9, the inner wall of the positioning grooves forms clamping fit with the rubber ball 21, and the fixing frame 11 is used, the direction of the projector 17 can be horizontally adjusted by the rotary table 12 and the second servo motor 13, the vertical angle of the projector 17 can be adjusted by the first connecting rod 14, the metal ball 15 and the second connecting rod 16, the device is more convenient to use, and the position of the projector 17 in the device can be semi-automatically adjusted by the aid of the rubber ball 21 and accurately positioned by the aid of the first semicircular plate 18, the second semicircular plate 19, the fixed block 20, the rubber ball 21, the U-shaped frame 22, the third servo motor 23, the first driving bevel gear 24, the first driven bevel gear 25 and the roller 26 which are arranged by the aid of the translation mechanism 10, so that the stage projection effect is better;
the both ends of metal pole 5 are fixed at the fixed slot inner wall, threaded rod 7 both ends pass through the bearing rotation and connect at the mounting groove inner wall, first semicircle board 18 and second semicircle board 19 both sides all open there is the screw, and first semicircle board 18 and second semicircle board 19 pass through the bolt and form the tight cooperation of fastening, third servo motor 23 is fixed at "U" shape frame 22 top, open the fixed block 20 bottom has first spring, and first spring bottom end is fixed at the spacing inslot wall, first support column 1 and second support column 2 bottom all are fixed with bottom plate 27, and bottom plate 27 bottom four corners is fixed with the universal wheel, toper piece 28 one end is fixed with the second spring, and second spring one end is fixed at the rectangular channel inner wall, metal pipe 8 one end is fixed at the opposite side outer wall of second slider 4, the spout has all been opened on first connecting rod 14 both sides, and spout internal diameter size and the diameter looks adaptation of second connecting rod 16.
The height of the projector 17 can be automatically adjusted by using the first support column 1, the second support column 2, the first sliding block 3, the second sliding block 4, the metal rod 5, the first servo motor 6 and the threaded rod 7, and the height of the projector can be positioned by using the conical block 28 when the height is adjusted, so that the phenomenon of sliding down is avoided, the safety of the device is improved, and the length of the device can be adjusted by using the metal tube 8 and the connecting rod 9, so that the projector can be suitable for different stages, and the practicability of the device is improved; through using fixed frame 11, carousel 12 and second servo motor 13, can carry out horizontal adjustment to the direction of projecting apparatus 17 to utilize first connecting rod 14, metal ball 15 and second connecting rod 16, can adjust the vertical angle of projecting apparatus 17, make the device use more convenient, through first semicircle board 18, second semicircle board 19, fixed block 20, rubber ball 21, "U" shape frame 22, third servo motor 23, first initiative bevel gear 24, first driven bevel gear 25 and gyro wheel 26 that use translation mechanism 10 to set up, can semi-automatic adjust projecting apparatus 17 in the position of device, and utilize rubber ball 21 to carry out accurate positioning to it, make stage projecting effect better.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The stage projection supporting structure for the theatre comprises a first supporting column (1) and a second supporting column (2), and is characterized in that a mounting groove is formed in one side outer wall of the first supporting column (1), a first sliding block (3) is slidably connected to one side outer wall of the mounting groove, a fixing groove is formed in one side outer wall of the second supporting column (2), a second sliding block (4) is slidably connected to one side inner wall of the fixing groove, a metal rod (5) is fixed to the inner wall of the fixing groove, a round notch is formed in the second sliding block (4), a metal rod (5) is slidably connected to the inner wall of the round notch, a conical block (28) is slidably connected to the inner wall of the rectangular groove, a plurality of evenly distributed clamping grooves are formed in one side outer wall of the metal rod (5), the inner wall of the clamping groove is in clamping fit with the conical block (28), a threaded hole is formed in the first sliding block (3), a threaded rod (7) is slidably connected to the inner wall of the fixing groove, a first servo motor (6) is fixed to the top of the first supporting column (1), an output shaft (6) is fixed to the top of the first servo motor, the first servo motor (6) is fixed to the threaded rod (7) through the threaded rod (7), one end of the metal rod (8) is fixedly connected to the other end of the metal pipe (8), the other metal tube (8) is fixed on one side outer wall of the second sliding block (4), the outer wall of the metal tube (8) is connected with a translation mechanism (10) in a sliding manner, a fixed frame (11) is fixed at the bottom of the translation mechanism (10), a rotary table (12) is connected to the inner wall of the bottom of the fixed frame (11) in a sliding manner, a first connecting rod (14) is fixed at the bottom of the rotary table (12), a second servo motor (13) is fixed on the inner wall of the top of the fixed frame (11), an output shaft of the second servo motor (13) is fixed at the top of the rotary table (12) through a coupler, a ball-shaped groove is formed in the bottom end of the first connecting rod (14), a metal ball (15) is rotationally connected to the inner wall of the ball-shaped groove, a second connecting rod (16) is fixed at the bottom of the metal ball (15), a projector (17) is fixed at the bottom of the second connecting rod (16) through a flange, the translation mechanism (10) comprises a first semicircular plate (18), a second semicircular plate (19), a fixed block (20), a rubber ball (21), "U" -shaped frame (22), a third servo motor (23), a first driving bevel gear (24), a first semicircular gear (25) and a second semicircular plate (25) are uniformly matched with the inner wall (20) and form a fixed groove, the fixed block (20) top is opened there is the arc wall, and arc wall and rubber ball (21) form rolling fit, first semicircle board (18) top is opened there is the installing port, and gyro wheel (26) are rotated through the bearing and are connected at installing port both sides inner wall, first semicircle board (18) top that "U" shape frame (22) bottom fixed is located installing port both sides, the output shaft of third servo motor (23) is fixed at first initiative bevel gear (24) top through the shaft coupling, and third servo motor (23) are fixed at the top of U-shaped frame (22), and first initiative bevel gear (24) and first driven bevel gear (25) meshing, first driven bevel gear (25) are installed in the axis of rotation of gyro wheel (26), guide rail groove has been opened at metal pipe (8) and connecting rod (9) top, and guide rail tank bottom inner wall and gyro wheel (26) form running fit, a plurality of evenly distributed's constant head tank is opened all around to metal pipe (8) and connecting rod (9), and constant head tank inner wall and rubber ball (21) form joint.
2. Stage projection support structure for theatres according to claim 1, characterized in that the two ends of the metal rod (5) are fixed on the inner wall of the fixed groove, and the two ends of the threaded rod (7) are rotatably connected on the inner wall of the installation groove through bearings.
3. Stage projection support structure for theatres according to claim 1, characterized in that the first semicircular plate (18) and the second semicircular plate (19) are provided with screw holes on both sides, and the first semicircular plate (18) and the second semicircular plate (19) are fastened by bolts.
4. Stage projection support structure for theatres according to claim 1, characterized in that the bottom of the fixed block (20) is provided with a first spring, and the bottom end of the first spring is fixed on the inner wall of the limit groove.
5. Stage projection support structure for theatres according to claim 1, characterized in that the bottoms of the first support column (1) and the second support column (2) are both fixed with a bottom plate (27), and the four corners of the bottom plate (27) are fixed with universal wheels.
6. A stage projection support structure for theatres according to claim 1, characterized in that the conical block (28) is fixed with a second spring at one end and fixed at one end to the inner wall of the rectangular slot.
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| CN202011389171.XA CN112682626B (en) | 2020-12-02 | 2020-12-02 | Stage projection supporting structure for theatre |
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| CN202011389171.XA CN112682626B (en) | 2020-12-02 | 2020-12-02 | Stage projection supporting structure for theatre |
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| CN112682626B true CN112682626B (en) | 2023-08-29 |
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Denomination of invention: A Stage Projection Support Structure for Theaters Effective date of registration: 20231030 Granted publication date: 20230829 Pledgee: Wangjiang County Financing Guarantee Co.,Ltd. Pledgor: ANHUI JINGYING MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980063157 |