CN108281091B - LED bill-board convenient to maintenance with prevent wind function - Google Patents
LED bill-board convenient to maintenance with prevent wind function Download PDFInfo
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- CN108281091B CN108281091B CN201810014409.7A CN201810014409A CN108281091B CN 108281091 B CN108281091 B CN 108281091B CN 201810014409 A CN201810014409 A CN 201810014409A CN 108281091 B CN108281091 B CN 108281091B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to an LED billboard with wind-proof function and convenient maintenance, which comprises a shell, a rear cover plate, an LED display screen, two maintenance mechanisms and two lifting mechanisms, wherein each maintenance mechanism comprises a driving assembly, a guide rail, a lifting block, a first transmission rod, a second transmission rod, a third transmission rod and a support rod, each lifting mechanism comprises a lifting rod, a cylinder, an air inlet pipe, an air pump and an on-off assembly, each on-off assembly comprises a support frame, a driving unit, a transmission unit, a baffle plate, two moving blocks and two driving rods, in the LED billboard with wind-proof function and convenient maintenance, the rear cover plate of the LED billboard can be automatically opened and closed through the maintenance mechanisms, so that the time for a worker to disassemble and assemble the rear cover plate is shortened, the efficiency for the worker to maintain the LED billboard is improved, and the height of the LED billboard can be reduced when the LED billboard meets the weather in strong wind through the lifting mechanisms, thereby the focus of LED bill-board has been reduced, the wind-proof performance of LED bill-board has been improved.
Description
Technical Field
The invention relates to the field of LED (light-emitting diode) equipment, in particular to an LED billboard with a windproof function and convenient maintenance.
Background
The LED advertisement is a new media advertisement form, which is a perfect combination of new media technology and outdoor advertisement release form, the LED advertisement is an advertisement word or picture formed by utilizing light emitting diodes, the LED is a semiconductor capable of converting electric energy into visible light, and the LED billboard is a display screen for displaying words and images by controlling the display mode of the semiconductor light emitting diodes.
At present, when the inside device of LED bill-board broke down, the staff need take apart the back shroud of LED bill-board and just can overhaul, the dismouting of back shroud needs to consume a large amount of time of staff, thereby the efficiency of staff's maintenance LED bill-board has been reduced, moreover, general LED bill-board volume is all comparatively huge, thereby the windward side area of LED bill-board has been increased, when meetting strong wind weather, the LED bill-board takes place easily under the effect of wind and rocks, LED bill-board is just easy to break up in the past, greatly reduced the security of LED bill-board.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the LED billboard with the windproof function and convenient to maintain is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a LED advertising board with a windproof function and convenient to maintain comprises a shell, a rear cover plate and an LED display screen, wherein the LED display screen is arranged on one side of the shell, the rear cover plate is arranged on the other side of the shell, the LED advertising board further comprises two maintenance mechanisms and two lifting mechanisms, the two maintenance mechanisms are respectively arranged on the inner walls of the two sides of the inner part of the shell, the rear cover plate is arranged between the two maintenance mechanisms, the two maintenance mechanisms are in transmission connection with the rear cover plate, the two lifting mechanisms are arranged below the shell, and the two lifting mechanisms are in transmission connection with the shell;
the maintenance mechanism comprises a driving component, a guide rail, a lifting block, a first transmission rod, a second transmission rod, a third transmission rod and a support rod, the guide rail is vertically arranged on the inner wall of one side in the shell, the lifting block is arranged on the guide rail, the lifting block is connected with the guide rail in a sliding way, the driving assembly is vertically arranged on one side of the guide rail close to the LED display screen, the driving component is in transmission connection with the lifting block, the lower end of the third transmission rod is hinged in the middle of the guide rail, the upper end of the third transmission rod is hinged at the middle part of the support rod, one end of the first transmission rod is hinged on the lifting block, the other end of the first transmission rod is hinged with the upper end of the support rod, one end of the second transmission rod is hinged on the lifting block, the other end of the second transmission rod is hinged to the third transmission rod, and the support rod is fixedly connected with one side of the rear cover plate;
the lifting mechanism comprises a lifting rod, an air cylinder, an air inlet pipe, an air pump and an on-off assembly, wherein a through hole is formed in the lower end of the shell, the upper end of the air cylinder penetrates through the through hole, the lower end of the lifting rod is arranged in the air cylinder, the upper end of the lifting rod is arranged on the inner wall of the upper end of the shell, one end of the air inlet pipe is arranged on one side of the lower end of the air cylinder, the air pump is arranged at the other end of the air inlet pipe, and the on-off assembly is;
the on-off component comprises a support frame, a driving unit, a transmission unit, a baffle, two moving blocks and two driving rods, the support frame is U-shaped with a downward opening, the support frame is arranged above the air inlet pipe, the driving unit is arranged on a frame at the upper end of the support frame, the transmission unit is horizontally arranged in the middle of the support frame, the two moving blocks are respectively sleeved at two ends of the transmission unit, the driving unit is in transmission connection with the two moving blocks through the transmission unit, one ends of the two driving rods are respectively hinged to the two moving blocks, the other ends of the two driving rods are respectively hinged to the upper end of the baffle, a through hole is formed in the upper end of the air inlet pipe, and the lower end of the baffle penetrates through the.
Preferably, in order to drive the lifting block to lift along the guide rail, the driving assembly comprises a first motor and a first screw rod, the first motor is arranged at the lower end of one side of the guide rail, the first screw rod is vertically arranged above the first motor, the first motor is in transmission connection with the first screw rod, the lifting block is sleeved on the first screw rod, and the first screw rod is in threaded connection with the lifting block.
Preferably, in order to provide power for the movement of the two moving blocks, the driving unit comprises a second motor and a first gear, the second motor is arranged on the upper end frame of the supporting frame, and the second motor is in transmission connection with the first gear.
Preferably, in order to drive the two moving blocks to move towards or away from each other, the transmission unit comprises a second gear and two second lead screws, the two second lead screws are horizontally arranged, one ends of the two second lead screws are respectively arranged on two sides of the second gear, two side frames of the support frame are respectively provided with a bearing seat, the other ends of the two second lead screws are respectively arranged on the two bearing seats, the thread directions of the two second lead screws are opposite, the second gear is meshed with the first gear, the two moving blocks are respectively sleeved on the two second lead screws, and the two second lead screws are respectively in threaded connection with the two moving blocks.
Preferably, in order to improve the stability of the sliding block, a groove is formed in one side, close to the lifting block, of the guide rail, a sliding block is arranged on the lifting block, and the sliding block is arranged in the groove.
Preferably, in order to further improve the stability of the sliding block, the groove is a dovetail groove, and the sliding block is matched with the groove.
Preferably, the air pump is a high pressure air pump in order to increase the air pressure inside the cylinder.
Preferably, in order to improve the stability of the lifting rod, the lifting rod is in transition fit with the cylinder.
Preferably, in order to improve the driving capability of the first motor, the first motor is a servo motor.
Preferably, the housing is made of stainless steel to prolong the service life of the housing.
The LED advertising board with the windproof function and convenient to maintain has the advantages that the maintenance mechanism is used for automatically opening and closing the rear cover plate of the LED advertising board, so that the time for workers to disassemble and assemble the rear cover plate is shortened, the efficiency for the workers to maintain the LED advertising board is improved, and the practicability of the LED advertising board is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a maintenance-friendly LED billboard with a wind-proof function according to the present invention;
FIG. 2 is a schematic structural diagram of an inspection mechanism of the LED billboard with wind-proof function and easy maintenance of the invention;
FIG. 3 is a schematic structural diagram of the elevating mechanism of the LED billboard with wind-proof function and easy maintenance according to the present invention;
FIG. 4 is a schematic structural view of the on-off assembly of the easy-to-maintain LED billboard with wind-proof function of the present invention;
FIG. 5 is a schematic view of the connection structure of the elevating block and the guide rail of the LED billboard with wind-proof function and easy maintenance of the invention;
in the figure: 1. the LED display screen comprises a shell, 2, an LED display screen, 3, an air cylinder, 4, a first screw rod, 5, a guide rail, 6, a first transmission rod, 7, a lifting block, 8, a second transmission rod, 9, a third transmission rod, 10, a support rod, 11, a first motor, 12, a lifting rod, 13, a rear cover plate, 14, an air pump, 15, a baffle, 16, a support frame, 17, a second screw rod, 18, a moving block, 19, a first gear, 20, a second gear, 21, a second motor, 22, a driving rod, 23, an air inlet pipe, 24, a sliding block and 25, wherein the shell is provided with a groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a convenient-to-maintain LED billboard with a windproof function comprises a casing 1, a back cover plate 13 and an LED display screen 2, wherein the LED display screen 2 is arranged on one side of the casing 1, the back cover plate 13 is arranged on the other side of the casing 1, the convenient-to-maintain LED billboard further comprises two maintenance mechanisms and two lifting mechanisms, the two maintenance mechanisms are respectively arranged on the inner walls of the two sides of the inside of the casing 1, the back cover plate 13 is arranged between the two maintenance mechanisms, the two maintenance mechanisms are both in transmission connection with the back cover plate 13, the two lifting mechanisms are both arranged below the casing 1, and the two lifting mechanisms are both in transmission connection with the casing 1;
as shown in fig. 2, the maintenance mechanism includes a driving assembly, a guide rail 5, a lifting block 7, a first transmission rod 6, a second transmission rod 8, a third transmission rod 9 and a support rod 10, the guide rail 5 is vertically arranged on the inner wall of one side inside the housing 1, the lifting block 7 is arranged on the guide rail 5, the lifting block 7 is slidably connected with the guide rail 5, the driving assembly is vertically arranged on one side of the guide rail 5 close to the LED display screen 2, the driving assembly is in transmission connection with the lifting block 7, the lower end of the third transmission rod 9 is hinged at the middle part of the guide rail 5, the upper end of the third transmission rod 9 is hinged at the middle part of the support rod 10, one end of the first transmission rod 6 is hinged at the lifting block 7, the other end of the first transmission rod 6 is hinged at the upper end of the support rod 10, one end of the second transmission rod 8 is hinged at the lifting block 7, the other end of the second transmission rod, the support rod 10 is fixedly connected with one side of the rear cover plate 13;
wherein, when the LED billboard breaks down, the staff needs to open the back cover plate 13, thereby to overhaul the LED display screen 2, in this process, each part of the LED billboard is controlled by PLC, under the guiding action of the guide rail 5, the lifting block 7 is driven by the driving component to lift, in the descending process of the lifting block 7, the upper end of the support rod 10 is pulled to move downwards by the first transmission rod 6, under the action of the second transmission rod 8, the third transmission rod 9 is driven to rotate clockwise around the hinge point with the guide rail 5, thereby the middle part of the support rod 10 is driven by the third transmission rod 9 to move towards one side far away from the lifting block 7, thereby the support rod 10 is overturned towards the direction far away from the shell 1, then the back cover plate 13 is driven to overturn outwards by the support rod 10, thereby improving the convenience of the staff for maintaining the LED billboard, after the maintenance, the lifting block 7 is driven to ascend through the driving assembly, in the ascending process of the lifting block 7, the upper end of the supporting rod 10 is pulled to move upwards through the first transmission rod 6, the third transmission rod 9 is driven to rotate anticlockwise around a hinge point with the guide rail 5 under the action of the second transmission rod 8, the middle of the supporting rod 10 is driven to move towards one side close to the lifting block 7 through the third transmission rod 9, the supporting rod 10 is enabled to turn towards the direction close to the shell 1, then the rear cover plate 13 is driven to turn inwards through the supporting rod 10, the rear cover plate 13 is enabled to be covered on the shell 1 from new time, and through automatic opening and closing of the rear cover plate 13, a worker does not need to disassemble the rear cover plate 13, and the efficiency of the worker for overhauling the LED advertising board is improved;
as shown in fig. 3, the lifting mechanism includes a lifting rod 12, a cylinder 3, an air inlet pipe 23, an air pump 14 and an on-off assembly, a through hole is formed in the lower end of the housing 1, the upper end of the cylinder 3 passes through the through hole, the lower end of the lifting rod 12 is arranged in the cylinder 3, the upper end of the lifting rod 12 is arranged on the inner wall of the upper end of the housing 1, one end of the air inlet pipe 23 is arranged on one side of the lower end of the cylinder 3, the air pump 14 is arranged at the other end of the air inlet pipe 23, and the on-off assembly is arranged above the air;
wherein, when meeting the weather of strong wind, the air inlet pipe 23 is controlled to be opened by the on-off component, so that the air pressure in the cylinder 3 is reduced, the lifting rod 12 is driven to descend under the action of the gravity of the shell 1, the lifting rod 12 is received in the cylinder 3, so that the shell 1 descends under the action of the lifting rod 12, the gravity center of the shell 1 is reduced, the stability of the shell 1 is improved, and the windproof performance of the LED billboard is improved, after the strong wind stops, the air pump 14 inflates the air in the cylinder 3 through the air inlet pipe 23, so that the air pressure in the cylinder 3 is increased, the lifting rod 12 is driven to ascend along the cylinder 3 under the action of the air pressure, so that the shell 1 is driven to ascend through the lifting rod 12, then the air inlet pipe 23 is closed through the on-off component, so that the LED billboard can ascend to the original position, and the windproof performance of the LED billboard is improved through the, thereby improving the safety of the LED advertising board.
As shown in fig. 4, the on-off assembly includes a support frame 16, a driving unit, a transmission unit, a baffle plate 15, two moving blocks 18 and two driving rods 22, the support frame 16 is in a U shape with a downward opening, the support frame 16 is arranged above the air inlet pipe 23, the driving unit is arranged on a frame at the upper end of the support frame 16, the transmission unit is horizontally arranged in the middle of the support frame 16, the two moving blocks 18 are respectively sleeved at two ends of the transmission unit, the driving unit is in transmission connection with the two moving blocks 18 through the transmission unit, one ends of the two driving rods 22 are respectively hinged on the two moving blocks 18, the other ends of the two driving rods 22 are respectively hinged with the upper end of the baffle plate 15, a through hole is formed in the upper end of the air inlet pipe 23, and the lower end of the baffle;
wherein, under drive unit's drive, through two movable blocks 18 of drive unit drive or back of the body removal mutually, when two movable blocks 18 removed in the opposite direction, promote baffle 15 through two actuating lever 22 and descend to make intake pipe 23 close through baffle 15, when two movable blocks 18 removed in the back of the body mutually, promote baffle 15 through two actuating lever 22 and rise, thereby make intake pipe 23 open, realized the switching of intake pipe 23 through the lift of baffle 15, thereby realized the lift of lifter 12.
As shown in fig. 2, the driving assembly includes a first motor 11 and a first lead screw 4, the first motor 11 is disposed at the lower end of one side of the guide rail 5, the first lead screw 4 is vertically disposed above the first motor 11, the first motor 11 is in transmission connection with the first lead screw 4, the lifting block 7 is sleeved on the first lead screw 4, and the first lead screw 4 is in threaded connection with the lifting block 7;
the first screw rod 4 is driven to rotate by the first motor 11, the lifting block 7 is driven to lift by the first screw rod 4 under the interaction of the first screw rod 4 and the lifting block 7, and therefore the supporting rod 10 is turned over by the lifting block 7.
As shown in fig. 4, the driving unit includes a second motor 21 and a first gear 19, the second motor 21 is disposed on the upper end frame of the supporting frame 16, and the second motor 21 is in transmission connection with the first gear 19;
the transmission unit comprises a second gear 20 and two second lead screws 17, the two second lead screws 17 are horizontally arranged, one ends of the two second lead screws 17 are respectively arranged at two sides of the second gear 20, two side frames of the support frame 16 are respectively provided with a bearing seat, the other ends of the two second lead screws 17 are respectively arranged on the two bearing seats, the thread directions of the two second lead screws 17 are opposite, the second gear 20 is meshed with the first gear 19, the two moving blocks 18 are respectively sleeved on the two second lead screws 17, and the two second lead screws 17 are respectively in threaded connection with the two moving blocks 18;
the first gear 19 is driven to rotate by the second motor 21, the second gear 20 is driven to rotate by the first gear 19 under the action of the first gear 19, so that the two second lead screws 17 are driven to rotate by the second gear 20, the two moving blocks 18 are driven to move towards or away from each other by the two second lead screws 17 under the interaction between the second lead screws 17 and the moving blocks 18, and the baffle 15 is driven to lift up and down by the two moving blocks 18 under the action of the two driving rods 22.
As shown in fig. 5, a groove 25 is provided on one side of the guide rail 5 close to the lifting block 7, a sliding block 24 is provided on the lifting block 7, and the sliding block 24 is disposed in the groove 25;
the groove 25 is a dovetail groove, and the sliding block 24 is matched with the groove 25;
wherein, when recess 25 is the dovetail, under recess 25 and sliding block 24's interact, improved the firmness of being connected between elevator 7 and the guide rail 5, at elevator 7 along the in-process of guide rail 5 lift, reduced elevator 7 displacement in other directions to the stability of going up and down 7 has been improved.
Preferably, in order to increase the air pressure inside the air cylinder 3, the air pump 14 is a high-pressure air pump, and the high-pressure air pump can provide higher air pressure, so that the pushing force of the air pump 14 on the lifting rod 12 is increased, and the lifting rod 12 can push the housing 1 to lift.
Preferably, in order to improve the stability of the lifting rod 12, the lifting rod 12 is in transition fit with the cylinder 3, and through the transition fit of the lifting rod 12 and the cylinder 3, the gap between the lifting rod 12 and the inner wall of the cylinder 3 is reduced, so that the lifting rod 12 is more tightly connected with the cylinder 3, the shaking of the lifting rod 12 in the lifting process is reduced, and the stability of the lifting rod 12 is improved.
Preferably, the first motor 11 is a servo motor in order to improve the driving ability of the first motor 11.
Preferably, in order to prolong the service life of the housing 1, the housing 1 is made of stainless steel, and since stainless steel has good corrosion resistance, when the housing 1 is made of stainless steel, the corrosion rate of the housing 1 is reduced, so that the service life of the housing 1 is prolonged.
When the LED billboard breaks down, a worker needs to open the rear cover plate 13 to overhaul the LED display screen 2, in the process, each part of the LED billboard is controlled through the PLC, the lifting block 7 is driven to lift through the driving assembly under the guiding action of the guide rail 5, the supporting rod 10 is driven to turn over through the lifting block 7 under the driving action of the first driving rod 6, the second driving rod 8 and the third driving rod 9, so that the rear cover plate 13 is driven to turn over through the supporting rod 10, the rear cover plate 13 is automatically opened and closed through the rear cover plate 13, the worker does not need to disassemble the rear cover plate, the efficiency and convenience for the worker to overhaul the LED billboard are improved, when the LED billboard meets the strong wind weather, the air inlet pipe 23 is controlled to be opened through the opening and closing assembly, the air pressure in the air cylinder 3 is reduced, the lifting rod 12 is driven to descend under the action of the gravity of the shell 1, make lifter 12 receive inside cylinder 3, thereby under the effect of lifter 12, make casing 1 descend, thereby the focus of casing 1 has been reduced, casing 1's stability has been improved, thereby LED billboard's windproof performance has been improved, after the strong wind stops, air pump 14 aerifys to cylinder 3 inside through intake pipe 23, make the inside atmospheric pressure increase of cylinder 3, under the effect of atmospheric pressure, drive lifter 12 rises along cylinder 3, thereby it rises to drive casing 1 through lifter 12, later close intake pipe 23 through the break-make subassembly, thereby make LED billboard can rise to original position, the lift through casing 1 has improved LED billboard's windproof performance, thereby LED billboard's security has been improved.
Compared with the prior art, in this LED bill-board of being convenient for maintenance with prevent wind function, the automatic of LED bill-board back shroud 13 has been realized opening and shutting through maintenance mechanism, thereby the time of staff dismouting back shroud 13 has been shortened, the efficiency of staff's maintenance LED bill-board has not only been improved, the practicality of LED bill-board has still been improved, compare with traditional maintenance mechanism, this mechanism has increased the angle of back shroud 13 upset, the convenience of staff's maintenance LED bill-board has further been improved, moreover, through elevating system, make LED bill-board when meetting strong wind weather, can reduce self height, thereby the focus of LED bill-board has been reduced, the performance of preventing wind of LED bill-board has been improved, compare with traditional elevating system, this mechanism simple structure, the probability that the LED bill-board breaks down has been reduced.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The LED advertising board with the windproof function and convenient to maintain comprises a shell (1), a rear cover plate (13) and an LED display screen (2), wherein the LED display screen (2) is arranged on one side of the shell (1), the rear cover plate (13) is arranged on the other side of the shell (1), and the LED advertising board is characterized by further comprising two overhauling mechanisms and two lifting mechanisms, wherein the two overhauling mechanisms are respectively arranged on the inner walls of two sides of the interior of the shell (1), the rear cover plate (13) is arranged between the two overhauling mechanisms, the two overhauling mechanisms are in transmission connection with the rear cover plate (13), the two lifting mechanisms are arranged below the shell (1), and the two lifting mechanisms are in transmission connection with the shell (1);
the maintenance mechanism comprises a driving assembly, a guide rail (5), a lifting block (7), a first transmission rod (6), a second transmission rod (8), a third transmission rod (9) and a support rod (10), wherein the guide rail (5) is vertically arranged on the inner wall of one side inside the shell (1), the lifting block (7) is arranged on the guide rail (5), the lifting block (7) is in sliding connection with the guide rail (5), the driving assembly is vertically arranged on one side, close to the LED display screen (2), of the guide rail (5), the driving assembly is in transmission connection with the lifting block (7), the lower end of the third transmission rod (9) is hinged to the middle of the guide rail (5), the upper end of the third transmission rod (9) is hinged to the middle of the support rod (10), one end of the first transmission rod (6) is hinged to the lifting block (7), and the other end of the first transmission rod (6) is hinged to the upper end of the support rod (10), one end of the second transmission rod (8) is hinged to the lifting block (7), the other end of the second transmission rod (8) is hinged to the third transmission rod (9), and the support rod (10) is fixedly connected with one side of the rear cover plate (13);
the lifting mechanism comprises a lifting rod (12), an air cylinder (3), an air inlet pipe (23), an air pump (14) and an on-off assembly, wherein a through hole is formed in the lower end of the shell (1), the upper end of the air cylinder (3) penetrates through the through hole, the lower end of the lifting rod (12) is arranged in the air cylinder (3), the upper end of the lifting rod (12) is arranged on the inner wall of the upper end of the shell (1), one end of the air inlet pipe (23) is arranged on one side of the lower end of the air cylinder (3), the air pump (14) is arranged at the other end of the air inlet pipe (23), and the on-off assembly is arranged above the air inlet pipe (23;
the on-off component comprises a support frame (16), a driving unit, a transmission unit, a baffle plate (15), two moving blocks (18) and two driving rods (22), the support frame (16) is in a U shape with a downward opening, the support frame (16) is arranged above the air inlet pipe (23), the driving unit is arranged on the upper end frame of the supporting frame (16), the transmission unit is horizontally arranged in the middle of the supporting frame (16), the two moving blocks (18) are respectively sleeved on the two ends of the transmission unit, the driving unit is in transmission connection with the two moving blocks (18) through the transmission unit, one ends of the two driving rods (22) are respectively hinged on the two moving blocks (18), the other ends of the two driving rods (22) are respectively hinged with the upper end of the baffle plate (15), the upper end of intake pipe (23) is equipped with the through-hole, the lower extreme of baffle (15) passes the through-hole setting in the inside of intake pipe (23).
2. The LED billboard with windproof function and convenient to maintain according to claim 1, wherein the driving assembly comprises a first motor (11) and a first screw rod (4), the first motor (11) is arranged at the lower end of one side of the guide rail (5), the first screw rod (4) is vertically arranged above the first motor (11), the first motor (11) is in transmission connection with the first screw rod (4), the lifting block (7) is sleeved on the first screw rod (4), and the first screw rod (4) is in threaded connection with the lifting block (7).
3. The maintenance-convenient LED billboard with wind-proof function according to claim 1, wherein the driving unit comprises a second motor (21) and a first gear (19), the second motor (21) is arranged on the upper end frame of the supporting frame (16), and the second motor (21) is in transmission connection with the first gear (19).
4. The LED billboard with windproof function and convenient to maintain according to claim 3, wherein the transmission unit comprises a second gear (20) and two second lead screws (17), the two second lead screws (17) are horizontally arranged, one ends of the two second lead screws (17) are respectively arranged at two sides of the second gear (20), two side frames of the support frame (16) are respectively provided with a bearing seat, the other ends of the two second lead screws (17) are respectively arranged on the two bearing seats, the thread directions of the two second lead screws (17) are opposite, the second gear (20) is meshed with the first gear (19), the two moving blocks (18) are respectively sleeved on the two second lead screws (17), and the two second lead screws (17) are respectively in threaded connection with the two moving blocks (18).
5. The LED billboard with windproof function and easy maintenance according to claim 1, wherein a groove (25) is provided on one side of the guide rail (5) near the lifting block (7), a sliding block (24) is provided on the lifting block (7), and the sliding block (24) is disposed in the groove (25).
6. The maintenance-convenient LED billboard with wind-proof function according to claim 5, wherein the groove (25) is a dovetail groove, and the sliding block (24) is matched with the groove (25).
7. The maintenance-convenient LED billboard with wind-proof function according to claim 1, wherein the air pump (14) is a high-pressure air pump.
8. The maintenance-convenient LED billboard with wind-proof function according to claim 1, wherein the lifting rod (12) is in transition fit with the cylinder (3).
9. The maintenance-convenient LED billboard with wind-proof function according to claim 2, wherein the first motor (11) is a servo motor.
10. The LED billboard with windproof function and convenient maintenance according to claim 1, wherein the shell (1) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014409.7A CN108281091B (en) | 2018-01-08 | 2018-01-08 | LED bill-board convenient to maintenance with prevent wind function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014409.7A CN108281091B (en) | 2018-01-08 | 2018-01-08 | LED bill-board convenient to maintenance with prevent wind function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN108281091B true CN108281091B (en) | 2020-05-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109433736A (en) * | 2018-10-23 | 2019-03-08 | 陈斌 | Magnetic charged electrical information display board based on Internet of Things |
| CN112576910A (en) * | 2019-09-30 | 2021-03-30 | 深圳市创智联环保设备有限公司 | Dismantle convenient smoke detector installation mechanism |
| CN110910793A (en) * | 2019-12-06 | 2020-03-24 | 湖南青蓝文化传媒集团有限公司 | Wind-resistant advertising board |
| CN111561636B (en) * | 2020-04-21 | 2025-06-27 | 深圳视爵光旭电子有限公司 | Windproof bracket and LED display |
| CN111628265B (en) * | 2020-05-27 | 2021-06-29 | 南京博雅达网络科技有限公司 | Antenna with windproof function |
| CN113653907B (en) * | 2021-08-24 | 2022-10-04 | 南阳理工学院 | Outdoor propaganda device of multi-environment adaptability |
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