CN209829400U - Roller reel lifting device for fountain - Google Patents
Roller reel lifting device for fountain Download PDFInfo
- Publication number
- CN209829400U CN209829400U CN201920562178.3U CN201920562178U CN209829400U CN 209829400 U CN209829400 U CN 209829400U CN 201920562178 U CN201920562178 U CN 201920562178U CN 209829400 U CN209829400 U CN 209829400U
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- Prior art keywords
- roller
- speed reducer
- synchronous belt
- water supply
- supply pipe
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 230000001360 synchronised effect Effects 0.000 claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims description 17
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000003578 releasing effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Special Spraying Apparatus (AREA)
Abstract
The utility model discloses a fountain water show roller reel lifting device, which comprises an equipment bracket, a speed reducer, a motor, a closed-loop control encoder, a shaft coupling, a left bearing, a large synchronous belt wheel, a roller position encoder, a roller, a right bearing, a rotary joint, a screw seat, a ball screw, a small synchronous belt wheel, a synchronous belt, a coil pipe positioner and a water supply pipe; the utility model discloses do not occupy the space under the truss, can not influence stage visual effect, the raceway is arranged neatly, can not cause the raceway intertwine, influences the normal work of equipment, but the lift of raceway accurate control.
Description
Technical Field
The utility model relates to a beautiful device of fountain especially relates to a beautiful cylinder spool elevating gear of fountain.
Background
When the performance programming needs one or more water jets from top to bottom, the existing fountain water show lifting device comprises a truss, a water pipe, a water jet nozzle and a winch; a truss is erected on the stage, a water pipe is movably hung on the truss through a slideway, the water pipe hung on the truss is arranged on the truss in a wave structure, a water spray nozzle is installed at the front end of the water pipe, and the water spray nozzle is connected with a winch arranged on the truss through a steel wire; when the height of the water spray nozzle needs to be reduced, the winch releases the steel wire, the water spray nozzle moves downwards and drives the water pipe hung on the truss to move forwards, so that the water pipe of the wave structure hung on the truss tends to be in a straight-line structure; when the water spray nozzle needs to be lifted, the steel wire is recovered by the winch, the water spray nozzle rises and drives the water pipe hung on the truss to move backwards, so that the water pipe hung on the truss and in a straight-line structure gradually presents a wave structure.
The beautiful elevating gear of fountain water of current design accessible hoist engine and truss go up the elevating system that sliding hoist and mount's raceway realizes the raising and lowering functions of water sprayhead, but its problem that exists as follows: 1. the water supply pipe behind the water spray nozzle is in a wave structure and is hung on the truss, so that the space right below the truss is occupied, the arrangement of stage lighting on the truss is influenced, the front and back movement of the water supply pipe also influences the visual effect of the stage, and the winding between the water supply pipe and other stage equipment can be caused; 2. in order not to influence the visual effect of the stage, the diameter of the steel wire wound on the winch roller is small, and when the winch winds and unwinds the steel wire, the lifting height of the water spray nozzle dragged by the steel wire is difficult to control accurately.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a beautiful cylinder spool elevating gear of fountain water, it does not occupy the space under the truss, can not influence the stage visual effect, and the raceway is arranged neatly, can not cause the raceway intertwine, influences the normal work of equipment, but the lift of raceway accurate control.
The utility model discloses a fountain water show roller reel lifting device, which comprises an equipment bracket, a speed reducer, a motor, a closed-loop control encoder, a shaft coupling, a left bearing, a synchronous big belt wheel, a roller position encoder, a roller, a right bearing, a rotary joint, a screw seat, a ball screw, a synchronous small belt wheel, a synchronous belt, a coil pipe positioner and a water supply pipe;
the speed reducer is arranged on the upper part of the left side of the equipment support, the speed reducer can convert kinetic energy input by the motor into lower rotating speed and larger torque, the speed reducer transmits the larger torque to the roller through the coupler to enable the roller to rotate, the power input shaft of the speed reducer is rotatably connected with the motor, a closed-loop control encoder is arranged on the outer side wall of the speed reducer on the opposite side of the power input shaft of the speed reducer, the closed-loop control encoder is connected with a Programmable Logic Controller (PLC), the PLC is connected with a computer system, the number of turns of the forward rotation or the reverse rotation of the motor can be accurately controlled by the computer system, and the closed-loop control encoder is coaxial; the power output shaft of the speed reducer is sequentially connected with a coupler, a left bearing and a large synchronous belt pulley, the coupler is used for connecting the speed reducer and a roller, the left bearing and the right bearing play a supporting role, the large synchronous belt pulley is used for transmitting kinetic energy of the speed reducer to a ball screw through a synchronous belt and a small synchronous belt pulley so as to enable the ball screw to synchronously rotate, the left bearing is fixed at the upper part of the left side of an equipment support, a roller position encoder is installed on the outer side wall of the speed reducer on the opposite side of the power output shaft of the speed reducer, the encoder is connected with a data acquisition module and then connected with a computer system, the data acquisition module can acquire 4096 data point positions every turn of the encoder, and the, the height of the water spray nozzle connected with the water supply pipe is accurately controlled to rise or fall, and the drum position encoder is coaxial with the power output shaft of the speed reducer;
the left end surface of the roller is connected to the large synchronous belt wheel in a shaft mode, the roller is used for winding or releasing a water supply pipe to enable the water supply pipe to be arranged orderly without occupying a space right below a truss and improve the visual effect of a stage, a water inlet port of the right end surface of the roller is sequentially connected with a right bearing and a rotary joint shaft, the rotary joint is used for connecting the water supply pipe and the roller to eliminate torsion generated during rolling rotation, so that the water inlet pipe keeps static when the roller rotates, the rotation of the roller cannot drive the water inlet pipe communicated with the rotary joint at the right side to rotate together, the right bearing and the rotary joint are respectively fixed at the upper part of the right side of an equipment support, the side wall of the roller is horizontally suspended at the upper part of the equipment support to facilitate winding or releasing action on the water supply pipe, the roller is a hollow cylinder body, the water inlet port is fixedly arranged, a water delivery pipe is connected between the water inlet interface and the water outlet interface in the cylinder body so as to simultaneously realize the water delivery to the water supply pipe and the winding or releasing of the rotation of the roller on the water supply pipe;
the screw seat is correspondingly fixed on the upper part of the front side of the equipment bracket at the front end of the side wall of the roller, the horizontal shaft of the ball screw is connected to the screw seat, the left end shaft of the ball screw is connected with a small synchronous belt wheel, the small synchronous belt wheel corresponds to the large synchronous belt wheel in position and is in transmission connection with the large synchronous belt wheel through a synchronous belt, and a coil pipe positioner is fixed on the nut seat on the ball screw; the front end of a water supply pipe is communicated with a water outlet port of the roller, the middle part of the water supply pipe is uniformly wound outside the side wall of the roller from left to right, the rear end of the water supply pipe is in sliding sleeve joint with a coil pipe positioner, so that when the roller winds the water supply pipe, the water supply pipe is driven by the right movement of a nut seat of a ball screw which synchronously rotates, the water supply pipe is arranged and wound on the surface of the side wall of the roller from left to right at equal intervals, when the roller releases the water supply pipe, the water supply pipe is driven by the left movement of the nut seat of the ball screw which synchronously rotates, the water supply pipe wound on the roller is unwound from right to left on the surface of the side wall of the roller;
the coil pipe positioner comprises a sheet bent into an obtuse angle, a folded edge surface of the sheet bent into the obtuse angle is provided with a through hole, the rear end of the water supply pipe is slidably sleeved in the through hole, and the coil pipe positioner is used for enabling the water supply pipe to retract and release pipelines on the roller along a specified direction and at an equal distance.
The coil pipe positioner also comprises rolling sleeve joint devices, 3-5 rolling sleeve joint devices are uniformly distributed on the circumferential direction of a through hole of the coil pipe positioner, each rolling sleeve joint device consists of a U-shaped supporting arm and a roller connected between two side walls of the opening end of the U-shaped supporting arm in a shaft mode, the lower end of the U-shaped supporting arm is fixed on a flanging surface at the outer edge of the through hole, the roller connected between the two side walls of the opening end of the U-shaped supporting arm in a shaft mode is suspended above the through hole, the diameter of a circle formed by the rollers of the 3-5 rolling sleeve joint devices which are uniformly distributed on the circumferential direction of the through hole is smaller than that of the through hole, the diameter of the circle formed by the rollers of the 3-5 rolling sleeve joint devices which are uniformly distributed on the circumferential direction of the through hole is matched with that of a water supply pipe, the 3-5 rolling sleeve, the influence of the collection and release of the water supply pipe on the performance is avoided.
The bending angle alpha of the sheet bent into the obtuse angle is 120-150 degrees, so that a dead angle is prevented from being formed between a water supply pipe wound on the roller and a through hole of the coil pipe positioner, and the friction force is increased.
The equipment support under the ball screw corresponds on the ball screw and both ends are equipped with a limit switch respectively about, and the nut seat on the ball screw moves about along the ball screw and can contact with two limit switch about respectively to the reciprocal horizontal displacement volume of the nut seat on the restriction ball screw avoids the winding delivery pipe of cylinder to shift out the cylinder scope on the right side, when also having avoided the cylinder release delivery pipe, excessively releases the delivery pipe, causes the delivery pipe to be by the occurence of failure that the cylinder interface that goes out drops.
The impurity filter is arranged in the middle of the water delivery pipe in the roller, so that the liquid in the water supply pipe is prevented from containing impurities, and the water spray nozzles communicated with the water supply pipe are prevented from being blocked.
Principle of operation
The truss is erected on the stage, and the corresponding number of fountain water show roller reel lifting devices are installed above the truss according to the stage requirements, so that the device does not occupy the space below the truss, vacates the space for other performance lighting equipment, and does not affect the visual effect of the stage; aiming at the installation operation of a fountain elegance roller scroll lifting device, firstly, a closed-loop control encoder is connected into a PLC (programmable logic controller), the PLC is connected with a computer system, the encoder is connected into a data acquisition module, and then the computer system is connected, so that the rotating speed and the rotating number of turns of a motor and a speed reducer can be accurately controlled, and the accurate control of the lifting distance of a water supply pipe is indirectly realized; secondly, the motor is electrified, the front end of the water supply pipe is communicated with a water outlet port of the roller, the water supply pipe penetrates through a circle and a perforation which are surrounded by 5 rollers of a rolling sleeve device on the coil pipe positioner, the water spray nozzle is connected to the rear end of the water supply pipe and naturally hangs above the stage, the motor is driven to rotate, the speed reducer drives the roller to reversely rotate, the synchronous large belt pulley drives the synchronous small belt pulley to reversely rotate through the synchronous belt so as to drive the ball screw to reversely rotate, in the process of reversely rotating the roller, the nut seat on the ball screw synchronously moves on the ball screw from left to right to drive the water supply pipe to move rightwards, meanwhile, the middle part of the water supply pipe is gradually and uniformly wound outside the side wall of the roller from left to right, the disordered winding and knotting of the water supply pipe are avoided, the release work of the subsequent water supply pipe, when the nut seat is contacted with the limit switch on the right side, the power supply of the motor can be automatically cut off, the reverse rotation of the roller is stopped, and the phenomenon that the water supply pipe falls off from the right side of the roller or is excessively wound to cause the water supply pipe to be pulled off due to the excessive rotation of the roller is avoided; finally, a water inlet pipe laid on the truss is communicated with the right end part of the rotary joint, and water is delivered to the roller and a water supply pipe communicated with the roller through the water inlet pipe, so that the installation of one device is completed;
when the water spray nozzle of a certain fountain water show roller reel lifting device needs to be lowered to a certain height, parameters are input through a computer, a driving motor and a speed reducer rotate forward according to the parameters to drive a roller and a ball screw to rotate forward, a wound water supply pipe is released from the roller, a nut seat moves leftward to drive the rear end of the water supply pipe to move leftward, the rear end of the water supply pipe moves leftward while the rear end of the water supply pipe is lowered to a set height through a coil pipe positioner until the water spray nozzle is lowered to the set height (the precision control error of the device is within a range of 2 centimeters), water is delivered to the water supply pipe through a water inlet pipe, the water spray nozzle starts to work, water can be delivered to the water supply pipe in the process of lowering the water spray nozzle to finish the water show performance of a stage, if the water supply pipe is continuously lowered, no instruction is given to stop the forward rotation of the roller, and when the, the power supply of the motor is automatically cut off, and the roller is stopped to rotate forwards continuously, so that the roller is prevented from rotating forwards excessively and damaging a water supply pipe.
Advantageous effects
The utility model discloses do not occupy the space under the truss, can not influence stage visual effect, the raceway is arranged neatly, can not cause the raceway intertwine, influences the normal work of equipment, but the lift of raceway accurate control.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the front view structure of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a sectional view of the drum and the water supply pipe in fig. 3 taken along the direction of a-a.
Fig. 5 is a schematic structural diagram of the coil pipe positioner of the present invention.
Detailed Description
Referring to fig. 1-5, a fountain water-show roller reel lifting device comprises an equipment support 11, a speed reducer 12, a motor 13, a closed-loop control encoder 14, a coupler 15, a left bearing 16, a synchronous large belt pulley 17, a roller position encoder 18, a roller 19, a right bearing 20, a rotary joint 21, a screw rod seat 22, a ball screw 23, a synchronous small belt pulley 24, a synchronous belt 25, a coil positioner 26 and a water supply pipe 27;
the speed reducer 12 is mounted at the upper part of the left side of the equipment support 11, a power input shaft of the speed reducer 12 is rotatably connected with a motor 13, a closed-loop control encoder 14 is mounted on the outer side wall of the speed reducer 12 on the opposite side of the power input shaft of the speed reducer 12, and the closed-loop control encoder 14 is coaxial with the power input shaft of the speed reducer 12; the power output shaft of the speed reducer 12 is sequentially connected with a coupler 15, a left bearing 16 and a synchronous large belt pulley 17, the left bearing 16 is fixed at the upper part of the left side of the equipment support 11, a roller position encoder 18 is installed on the outer side wall of the speed reducer 12 opposite to the power output shaft of the speed reducer 12, and the roller position encoder 18 is coaxial with the power output shaft of the speed reducer 12;
the left end surface of the roller 19 is connected with the synchronous large belt pulley 17 through a shaft, a water inlet interface 191 on the right end surface of the roller 19 is sequentially connected with a right bearing 20 and a rotary joint 21 through a shaft, the right bearing 20 and the rotary joint 21 are respectively fixed on the upper part of the right side of the equipment support 11, the side wall of the roller 19 is horizontally suspended on the upper part of the equipment support 11, the roller 19 is a hollow cylinder body, the middle part of the right end surface of the cylinder body is fixedly provided with the water inlet interface 191 through a penetrating way, the side wall of the cylinder body close to the left end surface is fixedly provided with a water outlet interface 192 through a penetrating way, and a;
the screw seat 22 is correspondingly fixed on the upper part of the front side of the equipment support 11 at the front end of the side wall of the roller 19, the horizontal shaft of the ball screw 23 is connected on the screw seat 22, the left end shaft of the ball screw 23 is connected with a small synchronous belt pulley 24, the small synchronous belt pulley 24 corresponds to the large synchronous belt pulley 17 in position and is in transmission connection with the large synchronous belt pulley 17 through a synchronous belt 25, and a coil pipe positioner 26 is fixed on a nut seat 231 on the ball screw 23; the front end of the water supply pipe 27 is communicated with the water outlet port 192 of the roller 19, the middle part of the water supply pipe 27 is uniformly wound outside the side wall of the roller 19 from left to right, and the rear end of the water supply pipe 27 is slidably sleeved with the coil pipe positioner 26;
the coil pipe positioner 26 comprises a sheet bent to an obtuse angle, a folded edge surface 261 of the sheet bent to the obtuse angle is provided with a through hole 262, and the rear end of the water supply pipe 27 is slidably sleeved in the through hole 262.
The coil pipe positioner 26 further comprises rolling sleeve connection devices 263, 5 rolling sleeve connection devices 263 are uniformly distributed in the circumferential direction of the through hole 262 of the coil pipe positioner 26, each rolling sleeve connection device 263 is composed of a U-shaped supporting arm 2631 and a roller 2632 connected between two side walls of the opening end of the U-shaped supporting arm 2631 in a shaft mode, the lower end of the U-shaped supporting arm 2631 is fixed on a folding edge face 261 of the outer edge of the through hole 262, the roller 2632 connected between the two side walls of the opening end of the U-shaped supporting arm 2631 in a shaft mode is suspended above the through hole 262, the diameter of a circle defined by the rollers 2632 of the 5 rolling sleeve connection devices 263 uniformly distributed in the circumferential direction of the through hole 262 is smaller than the diameter of the through hole 262, and the diameter of the circle defined by the rollers 2632 of.
The sheet bent at an obtuse angle has a bending angle α of 135 °.
The device support 11 right below the ball screw 23 is provided with a limit switch 28 corresponding to the left end and the right end of the ball screw 23, and the nut seat 231 on the ball screw 23 moves left and right along the ball screw 23 and can be respectively contacted with the left limit switch and the right limit switch 28.
The middle part of the water delivery pipe 193 in the roller 19 is provided with a foreign matter filter 194.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a beautiful cylinder spool elevating gear of fountain water which characterized in that: the device comprises an equipment support (11), a speed reducer (12), a motor (13), a closed-loop control encoder (14), a coupler (15), a left bearing (16), a large synchronous belt wheel (17), a roller position encoder (18), a roller (19), a right bearing (20), a rotary joint (21), a screw seat (22), a ball screw (23), a small synchronous belt wheel (24), a synchronous belt (25), a coil pipe positioner (26) and a water supply pipe (27);
the speed reducer (12) is arranged at the upper part of the left side of the equipment support (11), a power input shaft of the speed reducer (12) is rotatably connected with a motor (13), a closed-loop control encoder (14) is arranged on the outer side wall of the speed reducer (12) on the opposite side of the power input shaft of the speed reducer (12), and the closed-loop control encoder (14) is coaxial with the power input shaft of the speed reducer (12); the power output shaft of the speed reducer (12) is sequentially connected with a coupler (15), a left bearing (16) and a large synchronous belt pulley (17), the left bearing (16) is fixed on the upper part of the left side of the equipment support (11), a roller position encoder (18) is installed on the outer side wall of the speed reducer (12) opposite to the power output shaft of the speed reducer (12), and the roller position encoder (18) is coaxial with the power output shaft of the speed reducer (12);
the left end face of the roller (19) is connected with the synchronous large belt wheel (17) through a shaft, a water inlet interface (191) on the right end face of the roller (19) is sequentially connected with a right bearing (20) and a rotary joint (21) through a shaft, the right bearing (20) and the rotary joint (21) are respectively fixed on the upper portion of the right side of the equipment support (11), the side wall of the roller (19) is horizontally suspended on the upper portion of the equipment support (11), the roller (19) is a hollow cylinder body, the middle portion of the right end face of the cylinder body is fixedly provided with a water inlet interface (191) in a penetrating manner, a water outlet interface (192) is fixedly provided on the side wall of the cylinder body close to the left end face in a penetrating manner, and a water conveying pipe (193) is;
the screw seat (22) is correspondingly fixed on the upper part of the front side of the equipment support (11) at the front end of the side wall of the roller (19), the horizontal shaft of the ball screw (23) is connected to the screw seat (22), the left end of the ball screw (23) is connected with a small synchronous belt pulley (24), the small synchronous belt pulley (24) corresponds to the large synchronous belt pulley (17) in position and is in transmission connection with the large synchronous belt pulley (17) through a synchronous belt (25), and a coil pipe positioner (26) is fixed on a nut seat (231) on the ball screw (23); the front end of the water supply pipe (27) is communicated with a water outlet interface (192) of the roller (19), the middle part of the water supply pipe (27) is uniformly wound outside the side wall of the roller (19) from left to right, and the rear end of the water supply pipe (27) is sleeved with the coil pipe positioner (26) in a sliding way;
the coil pipe positioner (26) comprises a sheet bent to an obtuse angle, a folding edge surface (261) of the sheet bent to the obtuse angle is provided with a through hole (262), and the rear end of the water supply pipe (27) is sleeved in the through hole (262) in a sliding mode.
2. A keffie roll reel lift apparatus as defined in claim 1, wherein: the coil pipe positioner (26) further comprises rolling sleeve connection devices (263), 3-5 rolling sleeve connection devices (263) are uniformly distributed in the circumferential direction of the through hole (262) of the coil pipe positioner (26), each rolling sleeve connection device (263) is composed of a U-shaped supporting arm (2631) and a roller (2632) which is connected with the two side walls of the opening end of the U-shaped supporting arm (2631) in a shaft mode, the lower end of the U-shaped supporting arm (2631) is fixed on a folded edge surface (261) of the outer edge of the through hole (262), the roller (2632) which is connected with the shaft between the two side walls of the opening end of the U-shaped supporting arm (2631) is suspended above the through hole (262), the diameter of a circle which is surrounded by the rollers (2632) of the 3-5 rolling sleeve connection devices (263) which are uniformly distributed in the circumferential, and the diameter of a circle surrounded by the rollers (2632) of 3-5 rolling sleeve devices (263) which are uniformly distributed in the circumferential direction of the through hole (262) is matched with the diameter of the water supply pipe (27).
3. A keffie roll reel lift apparatus as defined in claim 1, wherein: and a limit switch (28) is respectively arranged on the equipment support (11) right below the ball screw (23) and corresponding to the left end and the right end of the ball screw (23), and a nut seat (231) on the ball screw (23) moves left and right along the ball screw (23) and can be respectively contacted with the left limit switch and the right limit switch (28).
4. A keffie roll reel lift apparatus as defined in claim 1, wherein: the middle part of the water delivery pipe (193) in the roller (19) is provided with a foreign matter filter (194).
5. A keffie roll reel lift apparatus as defined in claim 1, wherein: the bending angle alpha of the sheet bent into the obtuse angle is 120-150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562178.3U CN209829400U (en) | 2019-04-24 | 2019-04-24 | Roller reel lifting device for fountain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562178.3U CN209829400U (en) | 2019-04-24 | 2019-04-24 | Roller reel lifting device for fountain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209829400U true CN209829400U (en) | 2019-12-24 |
Family
ID=68913319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562178.3U Expired - Fee Related CN209829400U (en) | 2019-04-24 | 2019-04-24 | Roller reel lifting device for fountain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209829400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365689A (en) * | 2020-03-03 | 2020-07-03 | 广州市明道舞台科技有限公司 | Intelligent elevator system |
| CN114769051A (en) * | 2022-05-27 | 2022-07-22 | 郑州东彩机电科技有限公司 | Lifting hoisting jellyfish light fountain and production method |
-
2019
- 2019-04-24 CN CN201920562178.3U patent/CN209829400U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365689A (en) * | 2020-03-03 | 2020-07-03 | 广州市明道舞台科技有限公司 | Intelligent elevator system |
| CN111365689B (en) * | 2020-03-03 | 2022-05-13 | 广州市明道舞台科技有限公司 | An intelligent elevator system |
| CN114769051A (en) * | 2022-05-27 | 2022-07-22 | 郑州东彩机电科技有限公司 | Lifting hoisting jellyfish light fountain and production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |