CN211392798U - Automatic maintenance system for transmission device and splicing display device - Google Patents
Automatic maintenance system for transmission device and splicing display device Download PDFInfo
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- CN211392798U CN211392798U CN201922148850.7U CN201922148850U CN211392798U CN 211392798 U CN211392798 U CN 211392798U CN 201922148850 U CN201922148850 U CN 201922148850U CN 211392798 U CN211392798 U CN 211392798U
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Abstract
The utility model discloses a transmission and concatenation display device's automatic maintenance system, transmission includes horizontal transmission and vertical transmission, wherein: the transverse transmission device at least comprises: the crane device comprises a crane device, a transverse guide rail device and a crane driving device, wherein the crane driving device drives the crane device to transversely move along the transverse guide rail device; the longitudinal transmission device comprises a cable rail, the cable rail is stably meshed with the dismounting device, and the overhead traveling crane device drives the cable rail to retract and release. Through the embodiment of the utility model discloses a can realize replacing the artifical automatic conveying of accomplishing the display element, can alleviate the work load and the tiled display device maintenance work load of display element conveying, reduce the danger of maintenance work, can be simultaneously in the screen body in-process timely discovery tiled display device trouble, and then carry out automatic change, promote tiled display device's maintenance quality.
Description
Technical Field
The utility model relates to a LED field, in particular to transmission and tiled display device's automatic maintenance system.
Background
At present, the screen body of a large LED (Light Emitting Diode) screen is basically formed by assembling a module screen of a tiled display device into a box body, and then splicing a plurality of box bodies into a large LED screen.
The maintenance of the splicing display device, especially the maintenance work of the outdoor splicing display device, comprises the transmission of the display unit, the installation of the display unit, the replacement of the display unit, the detection of the fault of the splicing display device, the determination of the installation quality of the display unit and the splicing display device, and the like, and is generally completed by the manual operation of engineering technicians at present. These maintenance work processes are tedious, the work content is repeated, and the operational environment is abominable under some circumstances, still possess certain danger simultaneously.
Therefore, it is necessary to provide a method for reducing the workload of display unit transmission and the workload of maintaining the tiled display device, reducing the risk of maintenance, and improving the maintenance quality of the tiled display device.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a transmission and tiled display device's automatic maintenance system can realize the automatic conveying of display element, can alleviate the work load of display element conveying and tiled display device maintenance work load, reduces the danger of maintenance work, promotes tiled display device's maintenance quality.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
according to an aspect of the present invention, there is provided a transmission, the transmission comprising a transverse transmission and a longitudinal transmission, wherein:
the transverse transmission device at least comprises: the crane device comprises a crane device, a transverse guide rail device and a crane driving device, wherein the crane driving device drives the crane device to transversely move along the transverse guide rail device;
the longitudinal transmission device comprises a cable rail, the cable rail is stably meshed with the dismounting device, and the overhead traveling crane device drives the cable rail to retract and release.
In one possible design, the transverse guide rail device comprises a transverse guide rail, and the transverse guide rail is installed on the tiled display device along or behind the upper part of the tiled display device, spans the direction of the whole tiled display device, and is used for enabling the crown block device to move transversely along the transverse guide rail.
In one possible design, the overhead travelling crane device comprises an overhead travelling crane and a cable storage box, wherein:
the cable rail storage box is arranged on the overhead traveling crane and is used for storing cable rails;
the overhead traveling crane transversely moves along the transverse guide rail and controls the retraction and the release of the cable rail stored in the cable rail storage box.
In one possible design, a plurality of driving wheels and a plurality of small wheels are installed at the bottom of the crown block, and the crown block is meshed with the transverse guide rail device through the driving wheels and the small wheels.
In one possible design, the crown block device further comprises a lifting device and a cantilever device; the lifting device is installed on the overhead traveling crane, and the lifting device is used for fixedly installing the cantilever device and enabling the cantilever device to lift according to a control instruction of the control device, and the cantilever device is lifted to a certain height, so that the dismounting device pulled by the cantilever device is higher than the splicing display device, or the cantilever device is reduced to a certain height, and the dismounting device pulled by the cantilever device is hidden behind the splicing display device.
In one possible design, the lifting device comprises a lifter, a plurality of lifting arms and a lifting platform; wherein: the lifter is arranged on the side edge of the crown block and drives a plurality of lifting arms to lift according to the instruction of the control device; one end of each lifting arm is arranged in the lifter, and the other end of each lifting arm is fixedly arranged with the lifting platform.
In one possible design, the cantilever device includes a cantilever rod and a rotating shaft, the rotating shaft is mounted at one end of the cantilever rod, and the rotating shaft is mounted on the lifting platform.
In one possible design, the longitudinal transmission device further comprises a traction device, wherein the traction device is arranged at one end part of the cable rail and is used for being matched with the fixed end to straighten the cable rail.
According to another aspect of the present invention, an automatic maintenance system for a tiled display device is provided, the system includes a transmission device according to an embodiment of the present invention.
In one possible design, the system further includes a positioning device located on the transmission for providing a positioning operation for the transmission.
Compared with the prior art, the utility model provides a compare with the correlation technique, the utility model provides a transmission and tiled display device's automatic maintenance system, transmission includes horizontal transmission and vertical transmission, wherein: the transverse transmission device at least comprises: the crane device comprises a crane device, a transverse guide rail device and a crane driving device, wherein the crane driving device drives the crane device to transversely move along the transverse guide rail device; the longitudinal transmission device comprises a cable rail, the cable rail is stably meshed with the dismounting device, and the overhead traveling crane device drives the cable rail to retract and release. Through the embodiment of the utility model discloses a can realize replacing the artifical automatic conveying of accomplishing the display element, can alleviate the work load and the tiled display device maintenance work load of display element conveying, reduce the danger of maintenance work, can be simultaneously in the screen body in-process timely discovery tiled display device trouble, and then carry out automatic change, promote tiled display device's maintenance quality.
Drawings
Fig. 1 is a schematic structural diagram of an automated maintenance system for a tiled display device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a transmission device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dismounting device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a clamping and positioning structure provided in an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of a clamping and positioning structure provided in an embodiment of the present invention;
fig. 6 is a schematic structural view of a fixing display unit of a clamping and positioning structure according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a fixing display unit of a clamping and positioning structure according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an electromagnetic spring latch according to an embodiment of the present invention;
fig. 9 is a schematic view of an electromagnetic spring latch according to an embodiment of the present invention in a retracted state;
fig. 10 is a schematic view of an electromagnetic spring latch according to an embodiment of the present invention in an open state;
fig. 11 is a schematic view of an electromagnetic spring latch according to an embodiment of the present invention in an open state;
fig. 12 is a schematic structural diagram of a detection device according to an embodiment of the present invention;
fig. 13 is an application schematic diagram of an automatic maintenance system for a tiled display device according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
In one embodiment, as shown in fig. 6 and 7, the present invention provides a display unit 800, which includes a display unit body 810, a plurality of unlocking holes 820, and a square bar 830. The unlocking holes 820 are provided at the circumferential positions of the front of the display unit body 810. The square steel 830 is disposed at the rear end of the top of the display unit body 810, and a prepared hole 832 is disposed on the square steel 830.
The tiled display device includes a plurality of display elements 800 tiled together on a steel structure 900. A locking mechanism for locking and fixing each display unit 800 is provided on the steel structure 900. The latching mechanism mates with the unlatching aperture 820. Through a plurality of latch mechanisms, a plurality of display units 800 are latched on the steel structure 900, so that the plurality of display units 800 are spliced on the steel structure 900 to form a whole spliced display device 700.
In one embodiment, as shown in fig. 1, the present invention provides an automated maintenance system for a tiled display device, the tiled display device including a plurality of display elements, the system 100 comprising: the device comprises a transmission device 10, a dismounting device 20, a positioning device 30, a detection device 40 and a control device 50; wherein:
the transmission device 10 is used for fixing the dismounting device 20 and enabling the dismounting device 20 to move relative to the splicing display device according to the control instruction of the control device 50;
the dismounting device 20 is used for fixing or dismounting the display unit according to the control instruction of the control device 50.
The positioning device 30 is used for providing positioning operation for the transmission device 10 and the dismounting device 20 according to the control command of the control device 50.
The detection device 40 is installed on the dismounting device 20, and is configured to acquire image information of the tiled display device according to a control instruction of the control device 50, identify and calculate the image information, obtain a detection result of the quality of the tiled display device, and feed the detection result back to the control device 50.
The control device 50 is connected to the transmission device 10, the dismounting device 20, the positioning device 30, and the detection device 40 in a communication manner, and sends control signals to the transmission device 10, the dismounting device 20, the positioning device 30, and the detection device 40 according to the detection results of the detection devices.
In this embodiment, through the utility model discloses an automatic system of maintaining of tiled display device can realize replacing the manual work to accomplish the maintenance of automatic tiled display device's display element, can alleviate display element and maintain work load, reduces the danger of maintaining work, can be simultaneously in tiled display device use timely discovery display element trouble, and then carry out automatic change, promote display element's maintenance quality.
In one embodiment, as shown in FIG. 2, the transmission 10 includes: a transverse transmission device 11 and a longitudinal transmission device 12. Wherein:
the transverse transmission device 11 is used for driving the dismounting device 20 to transversely move relative to the tiled display device according to a control instruction of the control device 50. The transverse transmission 11 comprises at least: a crown block device 111, a lateral guide device 112, and a crown block driving device (not shown). The cross rail device 112 is installed on the upper edge of the tiled display device or behind the upper portion of the tiled display device. The crown block driving device drives the crown block device 111 to move transversely along the transverse guide rail device 112 according to a control instruction of the control device 50, and the crown block device 111 and the transverse guide rail device 112 are matched to drive the dismounting device 20 to move transversely in front of the splicing display device. Preferably, the crown block driving device is a driving motor.
The cross rail device 112 includes a cross rail 1121 and a support mechanism 1122 (see fig. 13). Wherein, this transverse guide 1121 is installed on the tiled display device along or tiled display device upper portion rear, span in whole tiled display device direction for let this overhead traveling crane device 111 carry out lateral shifting along this transverse guide 1121, make this overhead traveling crane device 111 can move to the screen body right-hand member or move to the screen body left end from the screen body right-hand member, thereby drive dismouting device 20 and carry out lateral shifting at the screen body. The support mechanism 1122 is used to fixedly support the cross rail 1121 on the steel structure 900. Preferably, the transverse rail 1121 is an i-beam rail.
The crown block device 111 is driven by the crown block driving device 113 to move laterally along the lateral guide 1121. The crown block device 111 is fixedly engaged with the assembling and disassembling device 20, and according to the control command of the control device 50, the crown block device 111 hides the assembling and disassembling device 20 behind the tiled display device, or enables the assembling and disassembling device 20 to move in front of the tiled display device over the tiled display device.
This overhead traveling crane device 111 includes: crown block 1111, cable rail storage box 1112, lifting device 1113, cable outlet module 1114 and cantilever device 1115. The cable rail storage box 1112 and the lifting device 1113 are sequentially mounted on the crown block 1111, and the cable discharging module 1114 and the cantilever device 1115 are sequentially mounted on the lifting device 1113. The cable storage box 1112 is used to store cable. The crown block 1111 moves laterally along the lateral guide 1121 and controls the retraction and release of the rope rail stored in the rope rail storage box 1112. The payout module 1114 is provided with a first slide mechanism 11141, and the cantilever device 1115 is provided with a second slide mechanism 11153. The cord rail coming out of the cord rail storage box 1112 can pass through the first sliding mechanism 11141 and the second sliding mechanism 11153 in order without hindrance. Preferably, the first sliding mechanism 11141 and the second sliding mechanism 11153 may be pulleys.
The bottom of the crown block 1111 is installed with a plurality of driving wheels (not shown) and a plurality of small wheels (not shown), and the driving wheels are installed at the front end and the rear end of the bottom of the crown block 1111 to drive other small wheels to move transversely. The crown block 1111 is engaged with the transverse guide 1121 in a manner that the driving wheels and the small wheels on the crown block 1111 are hidden inside the i-shaped steel guide rail so as to prevent the driving wheels and the small wheels from falling off after being loosened.
The lifting device 1113 is configured to fixedly mount the cantilever device 1115, and lift the cantilever device 1115 according to a control command of the control device 50, so as to lift the cantilever device 1115 to a certain height, so that the attaching and detaching device 20 pulled by the cantilever device 1115 is higher than the tiled display device, or lower the cantilever device 1115 to a certain height, so that the attaching and detaching device 20 pulled by the cantilever device 1115 is hidden behind the tiled display device. The lifting device 1113 includes a lifter 11131, a plurality of lifting arms 11132, and a lifting table 11133. The lifter 11131 is attached to a side of the overhead traveling crane 1111, and drives a plurality of lifting arms 11132 to move up and down according to a command from the controller 50. One end of a plurality of lift arms 11132 is mounted in the lift 11131, and the other end is fixedly mounted to the lift table 11133. The lifter 11131 is connected to the lifting table 11133 via a plurality of lifting arms 11132, and is used for controlling the lifting of the lifting arms according to the control command of the control device 50, so as to lift the cantilever device 1115. The payout module 1114 is mounted on the lift table 11133.
The suspension device 1115 is mounted on the lifting platform 11133 and includes a suspension rod 11151 and a rotating shaft 11152, the rotating shaft 11152 is mounted on one end of the suspension rod 11151, the second sliding mechanism 11153 is mounted on the other end of the suspension rod 11151, the rotating shaft 11152 is mounted on the lifting platform 11133, and the suspension rod 11151 is mounted on the lifting platform 11133 through the rotating shaft 11152, so that the suspension rod 11151 can rotate around the rotating shaft 11152.
By the cooperation of the lifting device 1113 and the cantilever device 1115, the dismounting device 20 can be hidden behind the tiled display device, and the dismounting device 20 can be turned over to the front of the tiled display device when necessary. Preferably, the form of flipping includes at least one of: the display device is turned over from the upper edge of the tiled display device, turned over from the side edge of the tiled display device, turned over from the inner side of the tiled display device and turned over from the lower part of the tiled display device.
The longitudinal transmission device 12 is used for enabling the dismounting device 20 to move in the longitudinal direction of the spliced display device. The longitudinal transmission 12 comprises: a cable track 121 and a traction device 122. The cable rail 121 is stored in the cable rail storage box 1112, and is driven by the overhead traveling crane to retract and release the cable rail in accordance with a control command from the control device 50. Can be stored and released from the cable storage box 1112 without obstruction, sequentially passes through the first sliding mechanism 11141 and the second sliding mechanism 11153, and is connected with the traction device 122. The traction device 122 is installed at one end of the cable rail 121 and is used for being matched with a fixed end reserved at the bottom of the steel structure, so that the cable rail 121 is stretched straight.
The cable rail 121 is stably engaged with the attaching and detaching device 20, so that the attaching and detaching device 20 is stably and fixedly engaged with the cable rail 121. The engagement form is that the cable rail 121 is engaged with the wheel of the dismounting device, which includes but is not limited to a toothed wheel, a screw wheel, a flat wheel, etc., and the engagement enables the dismounting device 20 to be stably fixed on the cable rail 121, and simultaneously supports the movement of the dismounting device 20 on the cable rail, which includes the climbing and descending processes.
In the process of enabling the dismounting device 20 to climb over the front of the tiled display device, the cantilever device is lifted to a certain height by controlling the lifting of a plurality of lifting arms arranged on the periphery of the crown block, so that the dismounting device pulled by the cantilever device is higher than the tiled display device. At the moment, if the cantilever rod of the cantilever device inclines forwards, the dismounting device can be moved to the front of the spliced display device; if the cantilever rod is inclined backwards, the dismounting device can be moved to the rear part of the spliced display device.
When the dismounting device is over to the front of the splicing display device, the crown block controls the cable rail in the cable rail storage box to be continuously lengthened according to the control instruction of the control device 50, so that the dismounting device meshed with the cable rail is continuously lengthened and continuously descended due to the cable rail, when the cable rail is descended to the lower edge of the screen body, the traction device arranged at the end part of the cable rail is matched with the fixed end reserved at the bottom of the steel structure, the cable rail is stretched straightly, and the detection device and the dismounting device can carry out the next step of work after the cable rail is stretched straightly. At the moment, the force for straightening the cable rail does not need to be large, only the cable rail is ensured not to swing to a certain extent due to the external environment, and when the dismounting device adsorbs and splices the display device, the adsorption force can easily overcome the tension force caused by straightening the cable rail.
When the dismounting device needs to be hidden behind the splicing display device, the crown block controls the cable rail in the cable rail storage box to be firstly lengthened by a small section according to the control instruction of the control device 50, so that the traction device is loosened from the clamping structure of the steel structure, and then the cable rail is controlled to be continuously contracted, so that the dismounting device meshed with the cable rail continuously ascends due to the fact that the cable rail is continuously shortened. After the dismounting device rises to be higher than the splicing display device, the cantilever rod is controlled to incline backwards, so that the dismounting device moves to the rear of the splicing display device, and then the lifting of a plurality of lifting arms arranged on the periphery of the crown block is controlled, so that the dismounting device pulled by the cantilever device 1115 is hidden behind the splicing display device.
Furthermore, a fixed end reserved at the bottom of the steel structure, namely the fixed end is arranged on a guide rail along the bayonet position of the end part of the cable rail under the screen body, so that when the overhead travelling crane moves transversely, the cable rail can move transversely along with the fixed end. Preferably, the fixed end may be locked by means of a hook lock, an electromagnet, or the like.
In the transmission process of the transmission device, the transverse direction facing the splicing display device is an X axis, the longitudinal direction is a Y axis, and the height is a Z axis, so that the overhead traveling crane works for solving the X axis displacement of the dismounting device, the cable rail works for solving the Y axis displacement of the dismounting device, and the cantilever rod works for solving the Z axis displacement of the dismounting device and the detection device. Thus, the movement control of the different axes is distinguished by the different structural work. The X-axis movement control is provided by the transverse operation of the crown block, the operation of the crown block driving device and the operation of the speed reducer are the key for controlling the movement precision, and the accurate movement of the transmission device in the X-axis direction is ensured if the movement distance of the crown block is ensured to be accurate.
In one embodiment, as shown in fig. 3, the attaching and detaching device 20 is used to stably fix the display unit. In the installation process of the whole splicing display device, the dismounting device 20 is used for installing the display units on the steel structure one by one, dismounting the display units from the steel structure one by one in the dismounting process of the splicing display device, and dismounting the display unit with a certain fault from the steel structure in the daily maintenance work. Can realize dismantling and installing display element on the steel construction through this dismouting device, avoid the wearing and tearing that cause with display element direct contact.
The dismounting device 20 comprises a clamping and positioning structure 21, an adsorption device 22, an unlocking mechanism 23 and a clamping and fixing structure 24.
The mounting/fixing structure 24 is capable of stably fixing the display unit, and includes a frame 241 and a guide rail (not shown) provided in the frame 241. The guiding rail is used to slide the display unit into the frame 241. The bezel 241 serves to stably fix the display unit.
As shown in fig. 4-5. The clamping and positioning structure 21 is fixedly mounted on the clamping and fixing structure 24, and is specifically and fixedly mounted on one side edge of the frame 241 of the clamping and fixing structure 24, and is used for being clamped and fixed with the top of the display unit 810, and the specific fixing position is on the square steel 830 at the rear end of the top of the display unit 810, so that the display unit is stably fixed on the clamping and positioning structure 21. The clamping positioning structure is fixedly arranged on the square steel at the rear end of the display unit, so that the display unit can be clamped, and the display unit is prevented from being worn due to direct contact with the square steel.
This clamping location structure 21 includes: electromagnetic spring latch 211, base 212, lifting bearing plate 213, lifting spring 214, bearing beam 215, control docking stud 216. Wherein:
the electromagnetic spring latch 211 is mounted at the lower part of the clamping and positioning structure 21, can be embedded in the frame 241, and is used for being matched with a preformed hole 832 on a square steel 830 of a display unit, and the clamping and clamping operation of the clamping and positioning structure is completed by inserting the electromagnetic spring latch 211 into the preformed hole 832, so that the display unit is stably fixed on the clamping and positioning structure.
The lifting spring 214 is used to provide an elastic force to the electromagnetic spring latch 211, so that the electromagnetic spring latch 211 can be lifted more quickly.
The lifting receiving plate 213 is used for fixedly mounting the electromagnetic spring latch 211 and providing a lifting operation for the electromagnetic spring latch 211, so that the electromagnetic spring latch 211 can be lifted along with the lifting of the lifting receiving plate 213.
Preferably, the lifting receiving plate 213 is used for lifting the electromagnetic spring latch 211, and comprises one of the following components: lifting rods, screw rods, electromagnetic adsorption and rope traction are used. When the electromagnetic spring latch 211 is received in the dismounting device 20, the lifting spring 214 is in a pressed state to provide a reaction force, the dismounting device 20 overcomes the reaction force brought by the lifting spring 214 to complete the lifting of the dismounting device 20, the purpose of the lifting is to align the electromagnetic spring latch 211 with the preformed hole 832 of the square steel 830 of the display unit, and after the lifting force disappears, the electromagnetic spring latch 211 can be directly and rapidly clamped into the preformed hole 832 to realize the positioning and installation of the display unit.
The receiving beam 215 is fixed to the base 212, and receives a tensile force from the elevating receiving plate 213 and an elastic force of the elevating spring 214.
The control docking stud 216 is used for cooperating with the control device 50, receiving a control signal sent by the control device 50, and controlling the electromagnetic spring latch 211. The specific process is as follows: when inserting electromagnetism spring kayser 211 in the preformed hole 832 of square steel 830, electromagnetism spring kayser 211 receives the electromagnetic adsorption effect at the insertion in-process, and its cardboard can contract to being less than the aperture position, and after passing preformed hole 832, the solenoid outage, magnetism disappears, and the cardboard receives spring force effect to stretch out outside the aperture, realizes fixing display element on clamping fixed knot constructs, accomplishes the fixed to display element.
The base 212 is used for providing a restraining force for restraining the clamping plate for the electromagnetic spring clamping lock 211, wrapping the whole clamping and positioning structure and packaging the whole clamping and positioning structure into a whole.
As shown in fig. 8 to 11, the structure of the electromagnetic spring latch is shown schematically. The electromagnetic spring latch 211 includes: a positioning stud 2111, a top housing 2112, an electromagnetic coil 2113, an iron core 2114, an expansion bracket base 2115, an expansion bracket 2116, a spring 2117, a catch plate 2118 and a bottom housing 2119.
The positioning stud 2111 is located at the top of the electromagnetic spring latch 211, and is screwed into the lifting receiving plate 213 for positioning, so that the electromagnetic spring latch 211 can be lifted along with the lifting of the lifting receiving plate 213.
The top shell 2112 is used for matching with a reserved hole 832 of a square steel 830 on the display unit in the clamping and positioning process.
The iron core 2114 is attached to the lower portion of the top case 2112, and is used for winding the electromagnetic coil 2113, so that the electromagnetic coil 2113 can generate electromagnetic attraction force when energized.
The expansion bracket 2116 cooperates with the spring 2117 to push the catch plate 2118 outward quickly, thereby completing the opening operation.
The expansion bracket base 2115, located outside the core 2114, provides support for the expansion bracket 2116.
The clamping plate 2118 is nested at the end of the electromagnetic spring lock 211 and can be matched with the square steel 830 at the rear end of the display unit when extending out, so that clamping and fixing are realized.
The bottom case 2119 is used for providing a supporting force for the expansion bracket base 2115 in the clamping process, and preventing the expansion bracket 2116 and the expansion bracket base 2115 from being broken in the clamping process.
Specifically, the electromagnetic spring latch 211 exists in two states: a contracted state and an expanded state. The two states differ in the contraction and expansion of the card 2118. As shown in fig. 8 and 9, the electromagnetic spring latch 211 is in a retracted state, i.e., the catch plate 2118 is retracted within the overall dimensions of the electromagnetic spring latch 211; fig. 10 and 11 show the electromagnetic spring latch in an open position, i.e., with the clamping plate 2118 open beyond the overall dimensions of the electromagnetic spring latch 211, where half of the protruding portion of the clamping plate 2118 will receive the square steel surface to hold the entire display unit up or position the display unit.
Specifically, the contraction and the expansion of the electromagnetic spring lock 211 depend on whether the electromagnetic coil 2113 is electrified or not, when the electromagnetic coil 2113 is electrified, strong electromagnetic adsorption force can be generated in the electromagnetic coil 2113, the clamping plate 2118 contracts under the action of the electromagnetic adsorption force, and at the moment, the clamping plate 2118 contracts to the inside of the whole size of the electromagnetic spring lock 211, so that the electromagnetic spring lock 211 is separated from a square steel preformed hole of a display unit, the display unit is detached from a clamping and fixing structure, and the detachment of the display unit is completed. When the electromagnetic coil 2113 is powered off, the clamping plate 2118 can be quickly pushed outwards by the elastic force of the spring 2117 to finish the opening action, so that the clamping plate 2118 is opened to the outside of the overall size of the electromagnetic spring clamping lock 211, at the moment, half of the protruding part of the clamping plate 2118 can bear a square steel surface to support the whole display unit or position the display unit, the display unit is fixed on a clamping and fixing structure, and the display unit is fixed.
As shown in fig. 3. The suction device 22 is mounted on the outer edge of the frame 241 of the clamping and fixing structure 24, and is stably engaged with the cable rail 121, so that the suction device 22 is stably and fixedly engaged with the cable rail 121 in a manner that the suction device 22 is engaged with wheels of the cable rail 121, the engagement is in a form including but not limited to a toothed wheel, a threaded wheel, a flat wheel, and the like, the engagement enables the suction device 22 to be stably fixed on the cable rail 121, and simultaneously supports the movement of the suction device 22 on the cable rail 121, the movement includes climbing and descending processes.
The adsorption device 22 comprises a telescopic device 221, a permanent magnet 222 and a plurality of electromagnets 223. The telescopic device 221 includes an X-shaped telescopic arm 2211, and the telescopic arm 2211 can be extended and contracted from the center to the periphery to form an X shape, and the extension range of the extension range is adapted to the size of the display unit. Preferably, the telescopic range of the telescopic arm 2211 is larger than that of the display unit to be assembled and disassembled, and particularly, the inner side edge of the telescopic arm is just the outer side edge of the four feet of the display unit.
The detecting device 40 is installed at the center of the X-shaped telescopic arm 2211. The permanent magnet 222 has weaker magnetism, is nested on the detection device 40, and is firstly contacted and adsorbed on the screen body in one step; these electromagnets 223 magnetism is stronger, can produce powerful adsorption affinity after the circular telegram, and the nestification is respectively at each top of X type telescopic arm 2211 for accomplish clamping size adaptation back at telescoping device 221, carry out circular telegram according to controlling means 50's instruction and adsorb, in order to produce powerful adsorption affinity, this adsorption affinity can adsorb the display element and be unlikely to fall, and then accomplish the absorption action of display element.
As shown in fig. 3. The unlocking mechanism 23 is provided on the suction device 22, specifically, at each tip of the X-shaped telescopic arm 2211 of the telescopic device 221. The unlocking mechanism 23 includes an unlocking pin 231, an expansion mechanism (not shown), and a rotating electric machine (not shown). The unlocking pin 231 is accommodated in the telescopic structure and is used for being inserted into an unlocking hole 820 of the display unit to unlock the display unit from the steel structure. The telescopic mechanism can be extended and retracted according to the instruction of the control device 50, and is extended outwards when unlocked and retracted inwards after the unlocking is completed. The rotating motor is used for driving the unlocking pin 231 to rotate in a preset direction, so that the unlocking pin 231 is drawn out of the unlocking hole 820. Preferably, the predetermined direction is a counterclockwise direction, and the rotating motor drives the unlocking pin 231 to rotate in the counterclockwise direction, so that the unlocking pin 231 is drawn out of the unlocking hole 820.
The embodiment of the utility model provides an in, set up the latched device who is used for every display element of hasp fixed on the steel construction. In the display unit, a plurality of unlocking holes 820 (for example, 4 unlocking holes) matched with the locking mechanisms are preset at the peripheral positions in front of the display unit, and the display unit can be unlocked from the locking mechanisms of the steel structures by inserting unlocking pins into the unlocking holes 820. Preferably, 4 unlocking holes 820 are preset at four corners of the front of the display unit, and the aperture size of each unlocking hole is 2 mm.
The unlocking pins 231 are disposed on the suction device 22 at positions corresponding to the positions of the unlocking holes of the display unit at the respective tips of the X-shaped telescopic arms 2211 of the telescopic device 221. The axial diameter of the unlocking pins 231 is equal to or slightly smaller than the aperture of the unlocking holes 820 of the display unit, and the number of the unlocking pins 231 is matched with the number of the unlocking holes 820.
When the display unit needs to be unlocked, after the unlocking contact pin is positioned by the positioning device, the telescopic mechanism extends outwards according to the instruction of the control device, so that the unlocking contact pin is inserted into the corresponding unlocking hole, and the display unit can be unlocked from the locking mechanism of the steel structure. At the moment, the display unit is slowly pulled out through the matching force of the unlocking contact pin and the unlocking hole, and the display unit can be pulled out in the Z-axis direction by small resistance due to the fact that the corresponding guide slide rail is reserved on the edge of the inner side of the frame of the clamping and fixing structure of the dismounting device, and therefore the display unit can be pulled out through the matching force of the unlocking contact pin and the unlocking hole. The display element pulls out back on the dismouting device, the electromagnetic spring kayser among the dismouting device inserts the preformed hole on the display element square steel, when inserting the electromagnetic spring kayser in the preformed hole of square steel, the electromagnetic spring kayser receives the effect of electromagnetic adsorption at the in-process of inserting, its cardboard can contract to being less than the aperture position, after passing the preformed hole, solenoid cuts off the power supply, magnetism disappears, the cardboard receives spring force effect to stretch out outside the aperture, display element square steel face can be accepted to cardboard salient half, hold up whole display element or fix a position display element, the realization is fixed display element on clamping fixed knot constructs, accomplish the fixed to display element. At this moment, adsorption equipment's permanent magnet and display element's surface contact gently, because the magnetism of permanent magnet is relatively weak, make the power of the concatenation display device surface contact in permanent magnet and the display element not very big, make display element and adsorption equipment slowly contact, play the cushioning effect for the powerful absorption of electromagnet, can not damage the concatenation display device in the display element, after permanent magnet contact display element surface, the display element is adsorbed in the electromagnet circular telegram, thereby make adsorption equipment and display element mutually support, the cooperation is accomplished the back, the display element is then fixed the absorption on the adsorption equipment of dismouting device. At the moment, the control device controls the rotating motor to drive the unlocking contact pin to rotate anticlockwise and controls the telescopic mechanism to contract inwards to draw the unlocking contact pin out of the unlocking hole. At this point the entire disassembly process of the display unit is complete.
When the display unit needs to be installed, the position needing to be installed is confirmed after the locking mechanism of the steel structure is positioned through the positioning device. The display unit that adsorption equipment adsorbs needs the installation is removed to the steel construction installation position through the location by conveyer. After arriving the mounted position, when the solenoid of electromagnetism spring kayser switched on, solenoid produced powerful electromagnetic adsorption, made the cardboard receive the electromagnetic adsorption effect to shrink within the whole size of electromagnetism spring kayser for this electromagnetism spring kayser breaks away from display element's square steel preformed hole, makes electromagnetism spring kayser take out from display element, realizes dismantling display element from clamping fixed knot structure, accomplishes the dismantlement to display element. At the moment, a corresponding guide sliding rail is reserved on the inner side edge of the frame of the clamping and fixing structure of the dismounting device, the display unit can slide into the mounting position of the steel structure along the guide sliding rail, and the corresponding lock on the display unit is matched with the locking mechanism of the steel structure to complete the mounting of the display unit on the steel structure.
As shown in fig. 2 and 3. The positioning device 30 is used for positioning the transmission device 10 and the dismounting device 20, and comprises: a transmission positioning module, an unlocking mechanism positioning module 32. Wherein:
the actuator positioning module is mounted on the actuator 10 and includes a first pressure sensor 311, an angle sensor 312, and a second pressure sensor 313. The first pressure sensor 311 is installed on the overhead traveling crane 1111 and is used for acquiring displacement information on the X axis and feeding back the displacement information to the control device 50 when a small wheel of the overhead traveling crane 1111 presses a corresponding position on the transverse guide rail; the angle sensor 312 is installed at the rotating shaft 11152 of the cantilever device 1115, and is used for acquiring the rotating angle of the cantilever rod 11151, feeding back the rotating angle information to the control device 50, and calculating the height information of the spliced display device at the cable outlet of the cable outlet module at the end of the cantilever rod 11151 according to the rotating angle information by the control device 50 to obtain the displacement information on the Z axis; the second pressure sensor 313 is installed at the cable rail 121 and the meshing small wheel, and is used for acquiring the position information of the meshing small wheel on the cable rail, feeding the position information back to the control device 50, and calculating the position information of the detection device 40 in the longitudinal direction of the screen body by the control device according to the position information to obtain the position information of the Y axis. Through obtaining the relevant information of the first pressure sensor 311, the angle sensor 312 and the second pressure sensor 313, the position of the transmission device can be detected, and the specific position information such as the displacement distance can be detected in the working process of the transmission device, and the position information can be fed back to the control device in time, so that the control device can make a control instruction in time according to the information, and the positioning precision can be improved.
The unlocking mechanism positioning module 32 is installed on the unlocking mechanism 23 of the dismounting device 20, and is used for accurately positioning the unlocking mechanism 23, specifically, accurately positioning the unlocking pin 231 of the unlocking mechanism, so that the unlocking pin 231 can be accurately inserted into the unlocking hole. The entire positioning process of the unlocking mechanism positioning module 32 is divided into three stages: the first stage is that the transmission device 10 transports the dismounting device 20 to the dismounting display unit (fault display unit) or the position of the display unit to be installed, so as to realize the rough positioning of the dismounting device and the corresponding display unit object. And in the second stage, after the adsorption device is adsorbed on the splicing display device, the detection device scans the unlocking hole of the dismounting display unit to acquire the image information of the unlocking hole. And the third stage is that the detection device calculates the error between the unlocking contact pin and the unlocking hole aiming at the acquired image of the unlocking hole, and the unlocking mechanism positioning module corrects the position of the unlocking contact pin according to the error information and then enables the unlocking contact pin to be accurately inserted into the unlocking hole. Thereby providing accurate positioning for subsequent removal of a faulty display unit and installation of a replacement display unit.
When the display unit is installed, the positioning process of the unlocking mechanism positioning module 32 is the same as the positioning process of the first stage and the second stage of the display unit positioning process of disassembly, the main difference is the third stage, and the positioning process of the unlocking mechanism positioning module is the image acquisition and correction aiming at the locking mechanism of the steel structure in the third stage, and the positioning process comprises the following steps: the image of the locking mechanism is obtained, the error between the locking mechanism and the unlocking hole of the display unit is calculated, and the unlocking mechanism positioning module corrects the position of the locking mechanism according to the error information, so that the locking mechanism is matched with the unlocking hole of the display unit, and accurate positioning is provided for the subsequent installation of replacing the display unit.
The scanning mode of the detection device is to scan the screen body line by line through the transmission device, the line space can be divided according to the size of the display unit module, and the scanning process has the back-and-forth characteristic, namely, the back-and-forth path is combined into the whole scanning range of the device by considering the scanning path when the device is in back flight.
As shown in fig. 1 and 12. The detection device 40 is installed on the dismounting device 20, specifically, the installation position is on the center of the X-type telescopic device of the adsorption device, and is used for acquiring and acquiring image information of the display unit of the tiled display device, identifying and calculating the image information, and obtaining a detection result of the quality of the display unit. The detection device 40 comprises an information acquisition device 41 and an information processing device 42, wherein the information acquisition device 41 is used for acquiring and acquiring image information of the display unit according to a control instruction of the control device 50 and transmitting the image information to the information processing device 42; the information processing device 42 is configured to process the display unit image information collected by the information collecting device 41 to obtain a detection result of the display unit image quality, and feed back the detection result to the control device 50.
The information collecting device 41 includes a light source 411, a camera 412, and a transmitting card 413. Wherein, the light source 411 adopts a built-in LED light source for lighting the camera 412,
the camera 412 is used for obtaining image information of the display unit by lighting and shooting through a built-in LED light source, and sending the shot image information to the information processing device 42 through a sending card 412.
The information processing apparatus 42 includes a receiving card 421 and a computing module 422, and the receiving card 421 is communicatively connected to the computing module 422. The receiving card 421 is used for receiving the image information of the display unit sent by the sending card 413 of the information acquisition device 41 and sending the image information to the computing module 421; the calculating module 421 is configured to identify and calculate the processed image information according to the received image information, detect and compare the quality information of the display unit, and determine whether there is a detection result of a fault, such as a dead light, a bright spot, a caterpillar, etc., of the display unit. The receiving card 421 is also used for feeding back the detection result to the control device 50.
The detection device is based on a machine vision technology and comprises four processes of image information acquisition, image preprocessing, image identification and information feedback. The image information acquisition process is to shoot the image information on the surface of the display unit through a camera, and the natural environment can be isolated to a certain extent in the shooting process; the image preprocessing process is to perform noise reduction and other processing on the shot image photos; the image recognition process is to perform image recognition on the image subjected to image preprocessing by an image recognition method, and the recognition can comprise screen fault information, position information, temperature and other information; and the information feedback process is to feed the recognition result back to the control device for the next maintenance work after the image recognition is finished. Wherein, the image recognition method can adopt the current image recognition method, here, the utility model discloses no longer detail.
The scanning mode of the detection device is to scan the screen body line by line through the transmission device, the line space can be divided according to the size of the display unit module, and the scanning process has the back-and-forth characteristic, namely, the back-and-forth path is combined into the whole scanning range of the device by considering the scanning path when the device is in back flight.
The control device 50 is connected to the transmission device 10, the dismounting device 20, the positioning device 30, and the detection device 40 in a communication manner, and sends control signals to the transmission device 10, the dismounting device 20, the positioning device 30, and the detection device 40 according to the detection results of the detection devices.
In one embodiment, as shown in fig. 1, the automated maintenance system for tiled display devices further comprises an attitude stabilizer 60, wherein the attitude stabilizer 60 is mounted on the dismounting device 20 and is stably engaged with the cable rail 121. The device is used for carrying out posture stabilizing operation on the detection device 40 and the dismounting device 20 during the operation process of the transmission device so as to eliminate errors caused by gravity center shift when the detection device 40 and the dismounting device 20 move.
The utility model provides an automatic maintenance system of tiled display device, when actually carrying out tiled display device and maintaining, controlling means issues control command and gives transmission, and control installation is in the lift of a plurality of lifing arms above the overhead traveling crane all around, with cantilever device lifting to take the altitude for the dismouting device of cantilever device tractive exceeds tiled display device, and cantilever device's cantilever bar slopes forward, makes the dismouting device remove tiled display device the place ahead from tiled display device rear. At the moment, the crown block controls the cable rail in the cable rail storage box to be continuously lengthened according to the control command of the control device, so that the dismounting device meshed with the cable rail is continuously descended due to the fact that the cable rail is continuously lengthened, and when the cable rail is descended to the lower edge of the screen body, the traction device arranged at the end part of the cable rail is matched with the clamping structure reserved at the bottom of the steel structure, and the cable rail is stretched straightly. The control device sends a control instruction to the detection device, so that an information acquisition device of the detection device acquires and acquires image information of the tiled display device according to a preset tiled display device maintenance scheme and transmits the image information to the information processing device; the information processing device processes the image information of the spliced display device acquired by the information acquisition device to obtain a detection result of the image quality of the spliced display device, feeds the detection result back to the control device, and enables the detection device to move transversely or longitudinally under the cooperation of the transmission device. When a detection result shows that a certain display unit has a fault, the unlocking mechanism of the dismounting device is accurately positioned by the unlocking mechanism positioning module of the positioning device, and after the unlocking contact pin is positioned by the positioning device, the telescopic mechanism extends outwards according to an instruction of the control device, so that the unlocking contact pin is inserted into the corresponding unlocking hole, and the display unit can be unlocked from the locking mechanism of the steel structure. At the moment, the display unit is slowly pulled out through the matching force of the unlocking contact pin and the unlocking hole, and the display unit can be pulled out in the Z-axis direction by small resistance due to the fact that the corresponding guide slide rail is reserved on the edge of the inner side of the frame of the clamping and fixing structure of the dismounting device, and therefore the display unit can be pulled out through the matching force of the unlocking contact pin and the unlocking hole. The display element pulls out back on the dismouting device, the electromagnetic spring kayser among the dismouting device inserts the preformed hole on the display element square steel, when inserting the electromagnetic spring kayser in the preformed hole of square steel, the electromagnetic spring kayser receives the effect of electromagnetic adsorption at the in-process of inserting, its cardboard can contract to being less than the aperture position, after passing the preformed hole, solenoid cuts off the power supply, magnetism disappears, the cardboard receives spring force effect to stretch out outside the aperture, display element square steel face can be accepted to cardboard salient half, hold up whole display element or fix a position display element, the realization is fixed display element on clamping fixed knot constructs, accomplish the fixed to display element. At this moment, adsorption equipment's permanent magnet and display element's surface contact gently, because the magnetism of permanent magnet is relatively weak, make the power of the concatenation display device surface contact in permanent magnet and the display element not very big, make display element and adsorption equipment slowly contact, play the cushioning effect for the powerful absorption of electromagnet, can not damage the concatenation display device in the display element, after permanent magnet contact display element surface, the display element is adsorbed in the electromagnet circular telegram, thereby make adsorption equipment and display element mutually support, the cooperation is accomplished the back, the display element is then fixed the absorption on the adsorption equipment of dismouting device. At the moment, the control device controls the rotating motor to drive the unlocking contact pin to rotate anticlockwise and controls the telescopic mechanism to contract inwards to draw the unlocking contact pin out of the unlocking hole. At this point the entire disassembly process of the display unit is complete. At this time, the control device controls the transmission device to move, and transfers the detached display unit to the display unit replacement library.
The dismouting device snatchs the display element of replacement from the display element replacement storehouse, when inserting the electromagnetic spring kayser of clamping location structure in the preformed hole of display element square steel, the electromagnetic spring kayser receives the effect of electromagnetic adsorption at the in-process that inserts, its cardboard can contract to being less than the aperture position, after passing the preformed hole, solenoid cuts off the power supply, magnetism disappears, the cardboard receives spring force effect to stretch outside the aperture, the realization is fixed the display element on clamping fixed knot constructs, accomplish the fixed to the display element. The adsorption device adsorbs the display unit needing to be replaced and installed, and the display unit is moved to the positioned steel structure installation position by the conveying device. After arriving the mounted position, when the solenoid of electromagnetism spring kayser switched on, solenoid produced powerful electromagnetic adsorption, made the cardboard receive the electromagnetic adsorption effect to shrink within the whole size of electromagnetism spring kayser for this electromagnetism spring kayser breaks away from display element's square steel preformed hole, makes electromagnetism spring kayser take out from display element, realizes dismantling display element from clamping fixed knot structure, accomplishes the dismantlement to display element. At the moment, a corresponding guide sliding rail is reserved on the inner side edge of the frame of the clamping and fixing structure of the dismounting device, the display unit can slide into the mounting position of the steel structure along the guide sliding rail, and the corresponding lock on the display unit is matched with the locking mechanism of the steel structure to complete the mounting of the display unit on the steel structure.
The utility model provides an automatic maintenance system of tiled display device, when actually carrying out tiled display device integral erection, can install according to predetermined installation order, for example: the display unit at the lower right corner of the tiled display device is installed firstly, then the installation path of the display unit can be installed transversely or vertically, the subsequent display unit is installed, and finally the upper left display unit is installed.
When installing single display element, dismouting device snatchs the display element that needs the installation from the display element installation storehouse, when inserting the electromagnetic spring kayser of clamping location structure in the preformed hole of display element square steel, the electromagnetic spring kayser receives the effect of electromagnetic adsorption at the in-process of inserting, its cardboard can contract to being less than the aperture position, after passing the preformed hole, solenoid cuts off the power supply, magnetism disappears, the cardboard receives spring force effect to stretch out outside the aperture, the realization is fixed display element on the clamping fixed knot constructs, accomplish the fixed to display element. The adsorption device adsorbs the display unit needing to be replaced and installed, and the display unit is moved to the positioned steel structure installation position by the conveying device. After arriving the mounted position, when the solenoid of electromagnetism spring kayser switched on, solenoid produced powerful electromagnetic adsorption, made the cardboard receive the electromagnetic adsorption effect to shrink within the whole size of electromagnetism spring kayser for this electromagnetism spring kayser breaks away from display element's square steel preformed hole, makes electromagnetism spring kayser take out from display element, realizes dismantling display element from clamping fixed knot structure, accomplishes the dismantlement to display element. At the moment, a corresponding guide sliding rail is reserved on the inner side edge of the frame of the clamping and fixing structure of the dismounting device, the display unit can slide into the mounting position of the steel structure along the guide sliding rail, and the corresponding lock on the display unit is matched with the locking mechanism of the steel structure to complete the mounting of the single display unit on the steel structure. Thereafter, the installation of the remaining display units is completed in the above single LED installation process in a preset installation order.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention essentially or the portions contributing to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), and includes a plurality of instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. A transmission, characterized in that it comprises a transversal transmission and a longitudinal transmission, wherein:
the transverse transmission comprises at least: the crane device comprises a crane device, a transverse guide rail device and a crane driving device, wherein the crane driving device drives the crane device to transversely move along the transverse guide rail device;
the longitudinal transmission device comprises a cable rail, the cable rail is stably meshed with the dismounting device, and the overhead traveling crane device drives the cable rail to retract and release.
2. The transmission of claim 1, wherein the transverse guide means comprises a transverse guide rail, the transverse guide rail is mounted on the tiled display device along or behind an upper portion of the tiled display device, and spans the entire tiled display device for allowing the crown block means to move transversely along the transverse guide rail.
3. The transmission of claim 2, wherein the overhead traveling crane assembly comprises an overhead traveling crane, a cable storage box, wherein:
the cable rail storage box is arranged on the overhead traveling crane and is used for storing cable rails;
the overhead traveling crane transversely moves along the transverse guide rail and controls the retraction and the release of the cable rail stored in the cable rail storage box.
4. The transmission of claim 3, wherein the crown block is provided at a bottom thereof with a plurality of driving wheels and a plurality of small wheels, and the crown block is engaged with the lateral guide rail device through the driving wheels and the small wheels.
5. The transmission of claim 3, wherein the crown block arrangement further comprises a lifting arrangement, a cantilever arrangement; the lifting device is installed on the overhead traveling crane, and the lifting device is used for fixedly installing the cantilever device and enabling the cantilever device to lift according to a control instruction of the control device, and the cantilever device is lifted to a certain height, so that the dismounting device pulled by the cantilever device is higher than the splicing display device, or the cantilever device is reduced to a certain height, and the dismounting device pulled by the cantilever device is hidden behind the splicing display device.
6. The transmission of claim 5, wherein the lifting device comprises a lifter, a plurality of lifting arms, a lifting platform; wherein: the lifter is arranged on the side edge of the crown block and drives a plurality of lifting arms to lift according to the instruction of the control device; one end of each lifting arm is arranged in the lifter, and the other end of each lifting arm is fixedly arranged with the lifting platform.
7. The transmission of claim 5, wherein the cantilever assembly includes a cantilever bar and a shaft, the shaft being mounted to one end of the cantilever bar and to the lift platform.
8. The transmission according to claim 1, wherein the longitudinal transmission further comprises a pulling device mounted to an end of the cable rail for engaging the fixed end to straighten the cable rail.
9. An automated maintenance system for a tiled display arrangement, wherein the system comprises a transmission according to any of claims 1 to 8.
10. The system of claim 9, further comprising a positioning device on the transmission for providing positioning operation to the transmission.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114255558A (en) * | 2021-12-20 | 2022-03-29 | 黄鹄科学技术有限公司 | Laser alarm system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114255558A (en) * | 2021-12-20 | 2022-03-29 | 黄鹄科学技术有限公司 | Laser alarm system |
CN114255558B (en) * | 2021-12-20 | 2023-08-22 | 黄鹄科学技术有限公司 | Laser alarm system |
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